diff --git a/.nojekyll b/.nojekyll new file mode 100644 index 000000000..e69de29bb diff --git a/404.html b/404.html new file mode 100644 index 000000000..b9292792d --- /dev/null +++ b/404.html @@ -0,0 +1,687 @@ + + + + + + + + + + + + + + + + CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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+ + + + + + + + + \ No newline at end of file diff --git a/_data/generate_dates.py b/_data/generate_dates.py new file mode 100644 index 000000000..fe4e16161 --- /dev/null +++ b/_data/generate_dates.py @@ -0,0 +1,60 @@ +from datetime import datetime, date, timedelta +import yaml + +def daterange(start_date, end_date): + for n in range(int((end_date - start_date).days)): + yield start_date + timedelta(n) + +def get_input_datetime(prompt): + while True: + try: + print(prompt) + input_date = input().split("/") + return datetime(int(input_date[2]), int(input_date[0]), int(input_date[1])) + except IndexError as e: + print(f"Error occurred in processing date input: {e}") + pass + +start_date = get_input_datetime("Enter semester start date (mm/dd/yyyy):") +end_date = get_input_datetime("Enter semester end date (mm/dd/yyyy):") + +dict_file = [] +for single_date in daterange(start_date, end_date): + if (single_date.weekday() == 4 or single_date.weekday() == 5 ): + continue + + str_date = single_date.strftime("%a %b %d") + dict_file.append({ + "date": str_date, + "lecture": { + "name": "", + "link": "" + }, + "recitation": { + "name": "", + "slides": "", + "handout": "", + "quiz": "" + }, + "reading": { + "name": "", + "link": "" + }, + "homework": { + "name": "", + "deadline": "", + "link": "", + "numDays": 0 + } + }) + +class LineBreakDumper(yaml.SafeDumper): + # Reference: https://github.com/yaml/pyyaml/issues/127 + def write_line_break(self, data=None): + super().write_line_break(data) + + if len(self.indents) == 1: + super().write_line_break() + +with open(r'schedule.yaml', 'w') as file: + yaml.dump(dict_file, file, Dumper=LineBreakDumper, default_flow_style=False) diff --git a/_data/links.yaml b/_data/links.yaml new file mode 100644 index 000000000..5cb61e702 --- /dev/null +++ b/_data/links.yaml @@ -0,0 +1,7 @@ +- name: Slack + link: https://slack.com/ + icon: assets/images/logos/slack.png + +- name: Gradescope + link: https://www.gradescope.com/courses/554799 + icon: assets/images/logos/gradescope.png diff --git a/_data/schedule.yaml b/_data/schedule.yaml new file mode 100644 index 000000000..6a8c5c63b --- /dev/null +++ b/_data/schedule.yaml @@ -0,0 +1,1351 @@ +- date: Sun Aug 25 + homework: + homework: + deadline: "Due Sun Sep 1 @ 11:59pm" + link: "/projects/P1" + name: "Project 1" + numDays: 5 + lecture: + link: "" + name: 'Intro' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Aug 26 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Aug 27 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: "" + name: 'Software Archeology and Anthropology' + reading: + link: "readings/R1" + name: 'Software Archaeology' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Aug 28 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Aug 29 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Sep 01 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 02 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 03 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: "" + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 04 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 05 + homework: + homework: + deadline: "" + link: "" + name: "" + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 2 ' + quiz: '' + slides: '' + +- date: Sun Sep 08 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 09 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 10 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 11 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 12 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 3' + quiz: '' + slides: '' + +- date: Sun Sep 15 + homework: + deadline: "" + link: "" + name: "" + numDays: 0 + lecture: + link: '' + name: 'NO CLASS' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 16 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 17 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 18 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 19 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 4' + quiz: '' + slides: '' + +- date: Sun Sep 22 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 23 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 24 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 25 + homework: + deadline: "" + link: "" + name: "" + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 26 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'Sprint#1 Presentations' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Sep 29 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 30 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 01 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 02 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 03 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 5: Midterm Review' + quiz: '' + slides: '' + +- date: Sun Oct 06 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'Midterm 1' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 07 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 08 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 09 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 10 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 6' + quiz: '' + slides: '' + +- date: Sun Oct 13 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'NO CLASS (Fall Break)' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 14 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 15 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'NO CLASS (Fall Break)' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 16 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 17 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'NO CLASS (Fall Break)' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Oct 20 + homework: + deadline: "" + link: "" + name: "" + numDays: 6 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 21 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 22 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 23 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 24 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 7' + quiz: '' + slides: '' + +- date: Sun Oct 27 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 28 + homework: + deadline: "" + link: "" + name: "" + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 29 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 30 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 31 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 8' + quiz: '' + slides: '' + +- date: Sun Nov 03 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 04 + homework: + deadline: "" + link: "" + name: "" + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 05 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 06 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 07 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 9' + quiz: '' + slides: '' + +- date: Sun Nov 10 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: "" + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 11 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 12 + homework: + deadline: "" + link: "" + name: "" + numDays: 0 + lecture: + link: "" + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 13 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 14 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'NO CLASS (Day for Community Engagement)' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Nov 17 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 18 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 19 + homework: + deadline: "" + link: "" + name: "" + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 20 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 21 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 10' + quiz: '' + slides: '' + +- date: Sun Nov 24 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 25 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 26 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'Midterm 2' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 27 + homework: + deadline: '' + link: "" + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 28 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 11' + quiz: '' + slides: '' + +- date: Sun Dec 01 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Dec 02 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Dec 03 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Dec 04 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Dec 05 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'No Recitation' + quiz: '' + slides: '' diff --git a/_data/staff.yaml b/_data/staff.yaml new file mode 100644 index 000000000..fa248e937 --- /dev/null +++ b/_data/staff.yaml @@ -0,0 +1,29 @@ +- name: Nour Ali + role: Teaching Assistant + email: ntali@andrew + website: + photo: ntali.jpg + +- name: Eduardo Feo-Flushing + role: Instructor + email: efeoflus@andrew + website: https://efeoflushing.com/ + photo: efeoflus.jpg + +- name: Maryam Rahmatullah + role: Course Assistant + email: mrahmatu@andrew + website: + photo: blank.jpg + +- name: Steve Ndayambaje + role: Course Assistant + email: sndayamb@andrew + website: + photo: blank.jpg + +- name: Boushra Bendou + role: Course Assistant + email: bbendou@andrew + website: + photo: blank.jpg diff --git a/_data/this_week.yaml b/_data/this_week.yaml new file mode 100644 index 000000000..d152bd481 --- /dev/null +++ b/_data/this_week.yaml @@ -0,0 +1,14 @@ +lectures: +- date: Sun Aug 25 + link: '' + name: Intro +- date: Tue Aug 27 + link: '' + name: Software Archeology and Anthropology + reading: + link: readings/R1 + name: Software Archaeology + +projects: [] + +recitation: null diff --git a/_data/update_this_week.py b/_data/update_this_week.py new file mode 100644 index 000000000..019c77244 --- /dev/null +++ b/_data/update_this_week.py @@ -0,0 +1,80 @@ +from datetime import datetime, date, timedelta +import yaml + +def add_business_days(start_date, add_days, current_year): + rem_days_to_add = add_days + current_date = datetime.strptime(start_date, "%a %b %d").replace(year=current_year) + + while rem_days_to_add > 0: + current_date += timedelta(days=1) + weekday = current_date.weekday() + if weekday >= 5: + continue + rem_days_to_add -= 1 + + return current_date + +class LineBreakDumper(yaml.SafeDumper): + # Reference: https://github.com/yaml/pyyaml/issues/127 + def write_line_break(self, data=None): + super().write_line_break(data) + + if len(self.indents) == 1: + super().write_line_break() + + def ignore_aliases(self, data): + return True + +with open('schedule.yaml', 'r') as file: + schedule = yaml.safe_load(file) + +today = datetime.now() + +# Go back to the most recent Sunday +todays_weekday = (today.weekday() + 2) % 7 +start_date = today - timedelta(todays_weekday) + +projects = [] +recitation = None +lectures = [] + +if schedule: + week_start_date = None + current_date = start_date + + for schedule_day in schedule: + schedule_date = datetime.strptime(schedule_day['date'], "%a %b %d").replace(year=current_date.year) + if not week_start_date and schedule_date > current_date: + # We're at the current week! + week_start_date = schedule_date + elif week_start_date and schedule_date >= week_start_date + timedelta(weeks=1): + # We left the current week + break + + if schedule_day['homework']['name'] != '': + projects.append(schedule_day['homework']) + projects[-1]['date'] = schedule_day['date'] + projects[-1]['end_date'] = add_business_days(schedule_day['date'], schedule_day['homework']['numDays'], current_date.year) + + if week_start_date: + if schedule_day['lecture']['name'] != '': + lectures.append(schedule_day['lecture']) + lectures[-1]['date'] = schedule_day['date'] + + if schedule_day['reading']['name'] != '': + lectures[-1]['reading'] = schedule_day['reading'] + + if schedule_day['recitation']['name'] != '': + recitation = schedule_day['recitation'] + recitation['date'] = schedule_day['date'] + +projects = list(filter(lambda project: project['end_date'] > today, projects)) + +output = { + "projects": projects, + "recitation": recitation, + "lectures": lectures +} + +with open(r'this_week.yaml', 'w') as file: + documents = yaml.dump(output, file, Dumper=LineBreakDumper, default_flow_style=False) diff --git a/_old/F23/404.html b/_old/F23/404.html new file mode 100644 index 000000000..61b8d7eef --- /dev/null +++ b/_old/F23/404.html @@ -0,0 +1,1064 @@ + + + + + + + + + + + + + + + + CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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+
+ + + + + + + + + \ No newline at end of file diff --git a/_old/F23/_data/generate_dates.py b/_old/F23/_data/generate_dates.py new file mode 100644 index 000000000..fe4e16161 --- /dev/null +++ b/_old/F23/_data/generate_dates.py @@ -0,0 +1,60 @@ +from datetime import datetime, date, timedelta +import yaml + +def daterange(start_date, end_date): + for n in range(int((end_date - start_date).days)): + yield start_date + timedelta(n) + +def get_input_datetime(prompt): + while True: + try: + print(prompt) + input_date = input().split("/") + return datetime(int(input_date[2]), int(input_date[0]), int(input_date[1])) + except IndexError as e: + print(f"Error occurred in processing date input: {e}") + pass + +start_date = get_input_datetime("Enter semester start date (mm/dd/yyyy):") +end_date = get_input_datetime("Enter semester end date (mm/dd/yyyy):") + +dict_file = [] +for single_date in daterange(start_date, end_date): + if (single_date.weekday() == 4 or single_date.weekday() == 5 ): + continue + + str_date = single_date.strftime("%a %b %d") + dict_file.append({ + "date": str_date, + "lecture": { + "name": "", + "link": "" + }, + "recitation": { + "name": "", + "slides": "", + "handout": "", + "quiz": "" + }, + "reading": { + "name": "", + "link": "" + }, + "homework": { + "name": "", + "deadline": "", + "link": "", + "numDays": 0 + } + }) + +class LineBreakDumper(yaml.SafeDumper): + # Reference: https://github.com/yaml/pyyaml/issues/127 + def write_line_break(self, data=None): + super().write_line_break(data) + + if len(self.indents) == 1: + super().write_line_break() + +with open(r'schedule.yaml', 'w') as file: + yaml.dump(dict_file, file, Dumper=LineBreakDumper, default_flow_style=False) diff --git a/_old/F23/_data/links.yaml b/_old/F23/_data/links.yaml new file mode 100644 index 000000000..5cb61e702 --- /dev/null +++ b/_old/F23/_data/links.yaml @@ -0,0 +1,7 @@ +- name: Slack + link: https://slack.com/ + icon: assets/images/logos/slack.png + +- name: Gradescope + link: https://www.gradescope.com/courses/554799 + icon: assets/images/logos/gradescope.png diff --git a/_old/F23/_data/schedule.yaml b/_old/F23/_data/schedule.yaml new file mode 100644 index 000000000..3255c672d --- /dev/null +++ b/_old/F23/_data/schedule.yaml @@ -0,0 +1,1441 @@ +- date: Sun Aug 20 + homework: + homework: + deadline: "Due Wed Aug 30 @ 10:00pm" + link: "/projects/P1" + name: "Project 1" + numDays: 9 + lecture: + link: "assets/pdfs/01-introduction.pdf" + name: 'Intro' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Aug 21 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Aug 22 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: "assets/pdfs/02-measurement.pdf" + name: 'Metrics and Measurements' + reading: + link: "https://www.gradescope.com/courses/554799/assignments/3108660" + name: 'Team Formation Survey' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Aug 23 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Aug 24 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: 'recitations/reci1-github/' + name: 'Recitation 1 - GitHub and TS' + quiz: '' + slides: 'https://docs.google.com/presentation/d/1Su_j8zAbKId4RKYRR9hAp2HFPBZkZyzm/edit?usp=sharing&ouid=115732152274655493451&rtpof=true&sd=true' + +- date: Sun Aug 27 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: "assets/pdfs/03-boeing_case_study.pdf" + name: 'Boeing 737 MAX: Case Study' + reading: + link: 'assets/pdfs/17313-reading_quiz_1.pdf' + name: 'Boeing 737 Max' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Aug 28 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Aug 29 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/04-process.pdf' + name: 'Process, Estimation, Milestones' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Aug 30 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Aug 31 + homework: + homework: + deadline: "Due Thu September 7 @ 11:59pm" + link: "/projects/P2" + name: "Project 2A" + numDays: 6 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 2 - Team Contract' + quiz: '' + slides: 'https://docs.google.com/presentation/d/1IgTl6hp3GR2ZNurp8GEsVobEbdxMw7cNK-oM9MoVKx8/edit?usp=sharing' + +- date: Sun Sep 03 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/05-Teams.pdf' + name: 'Teams' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 04 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 05 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/06-archaelogy-and-anthropology.pdf' + name: 'Software Archeology and Anthropology' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 06 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 07 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: 'recitations/reci3-archaeology/' + name: 'Recitation 3 - Software Archeology' + quiz: '' + slides: 'https://docs.google.com/presentation/d/1vFCbqaz0qD8aZojp8Hj5K9p7UC9Lo-1PLq6U3qZOyq8/edit?usp=sharing' + +- date: Sun Sep 10 + homework: + deadline: "Due Tue September 19 @ 11:59pm" + link: "/projects/P2/2_firstsprint" + name: "Project 2B" + numDays: 8 + lecture: + link: '' + name: 'NO CLASS' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 11 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 12 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/07-risk-management.pdf' + name: 'Risk Management' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 13 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 14 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 4: Team Dysfunctions' + quiz: '' + slides: 'https://docs.google.com/presentation/d/17w2rZNH_-8IUBVyshduaCY-MCfK8HTziVXKYOowtQMw/edit?usp=sharing' + +- date: Sun Sep 17 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/08-Intro-to-Arch.pdf' + name: 'Intro to Architecture' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 18 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 19 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/09-microservices-and-more.pdf' + name: 'Microservices' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 20 + homework: + deadline: "Due Thu October 5 @ 11:59pm" + link: "/projects/P2/3_secondsprint" + name: "Project 2C" + numDays: 12 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 21 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'Sprint#1 Presentations' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Sep 24 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/10-arch-design-docs.pdf' + name: 'Architecture/Design Docs' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Sep 25 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Sep 26 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/11-software-testing.pdf' + name: 'Software Testing' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Sep 27 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Sep 28 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: 'recitations/reci5-midterm-review/' + name: 'Recitation 5: Midterm Review' + quiz: 'https://drive.google.com/drive/folders/1J1dNDhxBTHjjWQNKxgv_FnL9AfCaIAQw?usp=sharing' + slides: 'https://docs.google.com/document/d/1NlrdjnsVj3VtcIzfLjDHDtqTXNXSgcLr-DoDiYQ_2to/edit?usp=sharing' + +- date: Sun Oct 01 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 02 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 03 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'recitations/reci5-midterm-review/' + name: 'Midterm' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 04 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 05 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Oct 08 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 09 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 10 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 11 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 12 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Oct 15 + homework: + deadline: "Due Sun October 22 @ 11:59pm" + link: "/projects/P3/" + name: "Project 3: Checkpoint" + numDays: 6 + lecture: + link: 'assets/pdfs/12-static-and-dynamic-analysis-tools.pdf' + name: ' QA/Static Analysis' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 16 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 17 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/13-advanced-testing.pdf' + name: 'Advanced Testing' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 18 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 19 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: 'recitations/reci7-docker/' + name: 'Recitation 7 : Docker & Containerization' + quiz: 'https://www.gradescope.com/courses/554799/assignments/2959398' + slides: 'https://docs.google.com/presentation/d/1Ms97OTL-rOO-CoCxSXImceVNR-glceU56-L6NCKAU4E/edit?usp=sharing' + +- date: Sun Oct 22 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/14-SE4ML-part-1.pdf' + name: 'SE4ML (I)' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 23 + homework: + deadline: "Due Sun October 29 @ 11:59pm" + link: "/projects/P3/" + name: "Project 3: Final" + numDays: 5 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 24 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/15-SE4ML-part-2.pdf' + name: 'SE4ML (II)' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Oct 25 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Oct 26 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: 'Recitation 8: Feedback' + quiz: '' + slides: 'https://docs.google.com/presentation/d/1wsODIYVCmeg26pvUTl-TvuQcCYgOxAoBMeaSQF8fXhI/edit?usp=sharing' + +- date: Sun Oct 29 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: 'assets/pdfs/16-QA-ML.pdf' + name: 'SE4ML QA' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Oct 30 + homework: + deadline: "Due Mon November 6 @ 11:59pm" + link: "/projects/P4/" + name: "Project 4: Checkpoint" + numDays: 6 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Oct 31 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '/workshops/ml/' + name: 'ML Workshop' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 01 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 02 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: 'recitations/reci9-actionplan/' + name: 'Recitation 9: Receiving Feedback' + quiz: '' + slides: 'https://docs.google.com/presentation/d/1a39MbV8c9XogaS-FOWTEgXocLkuAQBZl6xa3zSvCycw/edit?usp=sharing' + +- date: Sun Nov 05 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: "assets/pdfs/18-Ethics.pdf" + name: 'Ethics' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 06 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 07 + homework: + deadline: "Due Mon November 13 @ 11:59pm" + link: "/projects/P4/" + name: "Project 4: Final" + numDays: 5 + lecture: + link: "assets/pdfs/18-Ethics.pdf" + name: 'SE Ethics' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 08 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 09 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'NO CLASS (BREAK)' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Nov 12 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: 'Open Source' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 13 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 14 + homework: + deadline: "Due Tue Nov 21 @ 11:59pm" + link: "/projects/P5" + name: "Project 5 Checkpoint" + numDays: 6 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: 'recitations/reci10-open-source/' + name: 'Recitation 10: Open Source Projects' + quiz: '' + slides: 'https://docs.google.com/presentation/d/1KkPMUDCpz3U1F7gO2ZxOcLVMUmiyXvuGRiiRWn9OB50/edit?usp=sharing' + +- date: Wed Nov 15 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 16 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Nov 19 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 20 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 21 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 22 + homework: + deadline: 'Due Wed Dec 7 @ 11:59pm' + link: "/projects/P5" + name: 'Project 5 Final' + numDays: 12 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 23 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Nov 26 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Nov 27 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Nov 28 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Nov 29 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Nov 30 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Sun Dec 03 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Mon Dec 04 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Tue Dec 05 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Wed Dec 06 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' + +- date: Thu Dec 07 + homework: + deadline: '' + link: '' + name: '' + numDays: 0 + lecture: + link: '' + name: '' + reading: + link: '' + name: '' + recitation: + handout: '' + name: '' + quiz: '' + slides: '' diff --git a/_old/F23/_data/staff.yaml b/_old/F23/_data/staff.yaml new file mode 100644 index 000000000..30e80ee61 --- /dev/null +++ b/_old/F23/_data/staff.yaml @@ -0,0 +1,29 @@ +- name: Nour Ali + role: Teaching Assistant + email: ntali@andrew + website: + photo: ntali.jpg + +- name: Eduardo Feo-Flushing + role: Instructor + email: efeoflus@andrew + website: https://efeoflushing.com/ + photo: efeoflus.jpg + +- name: Maimoonah Al-Mashhadani + role: Course Assistant + email: maimoonm@andrew + website: + photo: maimoonm.jpg + +- name: Zhijie Xu + role: Course Assistant + email: zhijiex@andrew + website: + photo: zhijiex.jpg + +- name: Cindy Chen + role: Course Assistant (CMU-Pittsburgh) + email: yanxinc@andrew + website: + photo: blank.jpg diff --git a/_old/F23/_data/this_week.yaml b/_old/F23/_data/this_week.yaml new file mode 100644 index 000000000..e20a596d8 --- /dev/null +++ b/_old/F23/_data/this_week.yaml @@ -0,0 +1,26 @@ +lectures: +- date: Sun Aug 20 + link: assets/pdfs/01-introduction.pdf + name: Intro +- date: Tue Aug 22 + link: assets/pdfs/02-measurement.pdf + name: Metrics and Measurements + reading: + link: https://www.gradescope.com/courses/554799/assignments/3108660 + name: Team Formation Survey + +projects: +- date: Sun Aug 20 + deadline: Due Wed Aug 30 @ 10:00pm + end_date: 2024-09-02 00:00:00 + homework: null + link: /projects/P1 + name: Project 1 + numDays: 9 + +recitation: + date: Thu Aug 24 + handout: recitations/reci1-github/ + name: Recitation 1 - GitHub and TS + quiz: '' + slides: https://docs.google.com/presentation/d/1Su_j8zAbKId4RKYRR9hAp2HFPBZkZyzm/edit?usp=sharing&ouid=115732152274655493451&rtpof=true&sd=true diff --git a/_old/F23/_data/update_this_week.py b/_old/F23/_data/update_this_week.py new file mode 100644 index 000000000..019c77244 --- /dev/null +++ b/_old/F23/_data/update_this_week.py @@ -0,0 +1,80 @@ +from datetime import datetime, date, timedelta +import yaml + +def add_business_days(start_date, add_days, current_year): + rem_days_to_add = add_days + current_date = datetime.strptime(start_date, "%a %b %d").replace(year=current_year) + + while rem_days_to_add > 0: + current_date += timedelta(days=1) + weekday = current_date.weekday() + if weekday >= 5: + continue + rem_days_to_add -= 1 + + return current_date + +class LineBreakDumper(yaml.SafeDumper): + # Reference: https://github.com/yaml/pyyaml/issues/127 + def write_line_break(self, data=None): + super().write_line_break(data) + + if len(self.indents) == 1: + super().write_line_break() + + def ignore_aliases(self, data): + return True + +with open('schedule.yaml', 'r') as file: + schedule = yaml.safe_load(file) + +today = datetime.now() + +# Go back to the most recent Sunday +todays_weekday = (today.weekday() + 2) % 7 +start_date = today - timedelta(todays_weekday) + +projects = [] +recitation = None +lectures = [] + +if schedule: + week_start_date = None + current_date = start_date + + for schedule_day in schedule: + schedule_date = datetime.strptime(schedule_day['date'], "%a %b %d").replace(year=current_date.year) + if not week_start_date and schedule_date > current_date: + # We're at the current week! + week_start_date = schedule_date + elif week_start_date and schedule_date >= week_start_date + timedelta(weeks=1): + # We left the current week + break + + if schedule_day['homework']['name'] != '': + projects.append(schedule_day['homework']) + projects[-1]['date'] = schedule_day['date'] + projects[-1]['end_date'] = add_business_days(schedule_day['date'], schedule_day['homework']['numDays'], current_date.year) + + if week_start_date: + if schedule_day['lecture']['name'] != '': + lectures.append(schedule_day['lecture']) + lectures[-1]['date'] = schedule_day['date'] + + if schedule_day['reading']['name'] != '': + lectures[-1]['reading'] = schedule_day['reading'] + + if schedule_day['recitation']['name'] != '': + recitation = schedule_day['recitation'] + recitation['date'] = schedule_day['date'] + +projects = list(filter(lambda project: project['end_date'] > today, projects)) + +output = { + "projects": projects, + "recitation": recitation, + "lectures": lectures +} + +with open(r'this_week.yaml', 'w') as file: + documents = yaml.dump(output, file, Dumper=LineBreakDumper, default_flow_style=False) diff --git 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n.pipe(ae(r),Mt(a)).subscribe(([{items:f},{value:u}])=>{if(u)switch(f.length){case 0:i.textContent=re("search.result.none");break;case 1:i.textContent=re("search.result.one");break;default:i.textContent=re("search.result.other",lr(f.length))}else i.textContent=re("search.result.placeholder")}),n.pipe(w(()=>s.innerHTML=""),S(({items:f})=>A(I(...f.slice(0,10)),I(...f.slice(10)).pipe(Ce(4),Nr(o),S(([u])=>u))))).subscribe(f=>s.appendChild(Jo(f))),t.pipe(x(vt),m(({data:f})=>f)).pipe(w(f=>n.next(f)),C(()=>n.complete()),m(f=>H({ref:e},f)))}function Hs(e,{query$:t}){return t.pipe(m(({value:r})=>{let n=Oe();return n.hash="",n.searchParams.delete("h"),n.searchParams.set("q",r),{url:n}}))}function Ri(e,t){let r=new E;return r.subscribe(({url:n})=>{e.setAttribute("data-clipboard-text",e.href),e.href=`${n}`}),v(e,"click").subscribe(n=>n.preventDefault()),Hs(e,t).pipe(w(n=>r.next(n)),C(()=>r.complete()),m(n=>H({ref:e},n)))}function ki(e,{rx$:t},{keyboard$:r}){let n=new 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Y([t,r.pipe(N(Oe()),x(n=>!!n.searchParams.get("h")))]).pipe(m(([n,o])=>rn(n.config,!0)(o.searchParams.get("h"))),m(n=>{var s;let o=new Map,i=document.createNodeIterator(e,NodeFilter.SHOW_TEXT);for(let a=i.nextNode();a;a=i.nextNode())if((s=a.parentElement)!=null&&s.offsetHeight){let c=a.textContent,f=n(c);f.length>c.length&&o.set(a,f)}for(let[a,c]of o){let{childNodes:f}=M("span",null,c);a.replaceWith(...Array.from(f))}return{ref:e,nodes:o}}))}function Ps(e,{viewport$:t,main$:r}){let n=e.parentElement,o=n.offsetTop-n.parentElement.offsetTop;return Y([r,t]).pipe(m(([{offset:i,height:s},{offset:{y:a}}])=>(s=s+Math.min(o,Math.max(0,a-i))-o,{height:s,locked:a>=i+o})),B((i,s)=>i.height===s.height&&i.locked===s.locked))}function nn(e,n){var o=n,{header$:t}=o,r=un(o,["header$"]);let i=K(".md-sidebar__scrollwrap",e),{y:s}=qe(i);return P(()=>{let a=new E;return a.pipe(Ae(0,xe),ae(t)).subscribe({next([{height:c},{height:f}]){i.style.height=`${c-2*s}px`,e.style.top=`${f}px`},complete(){i.style.height="",e.style.top=""}}),a.pipe(Le(xe),oe(1)).subscribe(()=>{for(let c of Q(".md-nav__link--active[href]",e)){let f=cr(c);if(typeof f!="undefined"){let u=c.offsetTop-f.offsetTop,{height:p}=he(f);f.scrollTo({top:u-p/2})}}}),Ps(e,r).pipe(w(c=>a.next(c)),C(()=>a.complete()),m(c=>H({ref:e},c)))})}function $i(e,t){if(typeof t!="undefined"){let r=`https://api.github.com/repos/${e}/${t}`;return _t(je(`${r}/releases/latest`).pipe(ce(()=>R),m(n=>({version:n.tag_name})),De({})),je(r).pipe(ce(()=>R),m(n=>({stars:n.stargazers_count,forks:n.forks_count})),De({}))).pipe(m(([n,o])=>H(H({},n),o)))}else{let r=`https://api.github.com/users/${e}`;return je(r).pipe(m(n=>({repositories:n.public_repos})),De({}))}}function Ii(e,t){let r=`https://${e}/api/v4/projects/${encodeURIComponent(t)}`;return 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t=this.parentNode;if(t){e.length===0&&t.removeChild(this);for(let r=e.length-1;r>=0;r--){let n=e[r];typeof n=="string"?n=document.createTextNode(n):n.parentNode&&n.parentNode.removeChild(n),r?t.insertBefore(this.previousSibling,n):t.replaceChild(n,this)}}}));document.documentElement.classList.remove("no-js");document.documentElement.classList.add("js");var tt=go(),vr=ko(),gt=jo(),on=Ro(),we=qo(),gr=Kr("(min-width: 960px)"),Ki=Kr("(min-width: 1220px)"),Qi=Fo(),Yi=le(),Bi=document.forms.namedItem("search")?(__search==null?void 0:__search.index)||je(new URL("search/search_index.json",Yi.base)):Se,an=new E;wi({alert$:an});Z("navigation.instant")&&Ei({document$:tt,location$:vr,viewport$:we});var qi;((qi=Yi.version)==null?void 0:qi.provider)==="mike"&&Li({document$:tt});A(vr,gt).pipe(ke(125)).subscribe(()=>{Ke("drawer",!1),Ke("search",!1)});on.pipe(x(({mode:e})=>e==="global")).subscribe(e=>{switch(e.type){case"p":case",":let t=pe("[href][rel=prev]");typeof 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Qe=bi(_e("header"),{viewport$:we}),br=tt.pipe(m(()=>_e("main")),S(e=>yi(e,{viewport$:we,header$:Qe})),X(1)),Ws=A(...te("consent").map(e=>Yo(e,{target$:gt})),...te("dialog").map(e=>hi(e,{alert$:an})),...te("header").map(e=>vi(e,{viewport$:we,header$:Qe,main$:br})),...te("palette").map(e=>xi(e)),...te("search").map(e=>Hi(e,{index$:Bi,keyboard$:on})),...te("source").map(e=>Fi(e))),Vs=P(()=>A(...te("announce").map(e=>Qo(e)),...te("content").map(e=>di(e,{viewport$:we,target$:gt,print$:Qi})),...te("content").map(e=>Z("search.highlight")?Pi(e,{index$:Bi,location$:vr}):R),...te("header-title").map(e=>gi(e,{viewport$:we,header$:Qe})),...te("sidebar").map(e=>e.getAttribute("data-md-type")==="navigation"?Qr(Ki,()=>nn(e,{viewport$:we,header$:Qe,main$:br})):Qr(gr,()=>nn(e,{viewport$:we,header$:Qe,main$:br}))),...te("tabs").map(e=>Ui(e,{viewport$:we,header$:Qe})),...te("toc").map(e=>Di(e,{viewport$:we,header$:Qe,target$:gt})),...te("top").map(e=>Wi(e,{viewport$:we,header$:Qe,main$:br,target$:gt})))),Gi=tt.pipe(S(()=>Vs),et(Ws),X(1));Gi.subscribe();window.document$=tt;window.location$=vr;window.target$=gt;window.keyboard$=on;window.viewport$=we;window.tablet$=gr;window.screen$=Ki;window.print$=Qi;window.alert$=an;window.component$=Gi;})(); 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"sourcesContent": ["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (factory());\n}(this, (function () { 'use strict';\n\n /**\n * Applies the :focus-visible polyfill at the given scope.\n * A scope in this case is either the top-level Document or a Shadow Root.\n *\n * @param {(Document|ShadowRoot)} scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "(function(global) {\r\n /**\r\n * Polyfill URLSearchParams\r\n *\r\n * Inspired from : https://github.com/WebReflection/url-search-params/blob/master/src/url-search-params.js\r\n */\r\n\r\n var checkIfIteratorIsSupported = function() {\r\n try {\r\n return !!Symbol.iterator;\r\n } catch (error) {\r\n return false;\r\n }\r\n };\r\n\r\n\r\n var iteratorSupported = checkIfIteratorIsSupported();\r\n\r\n var createIterator = function(items) {\r\n var iterator = {\r\n next: function() {\r\n var value = items.shift();\r\n return { done: value === void 0, value: value };\r\n }\r\n };\r\n\r\n if (iteratorSupported) {\r\n iterator[Symbol.iterator] = function() {\r\n return iterator;\r\n };\r\n }\r\n\r\n return iterator;\r\n };\r\n\r\n /**\r\n * Search param name and values should be encoded according to https://url.spec.whatwg.org/#urlencoded-serializing\r\n * encodeURIComponent() produces the same result except encoding spaces as `%20` instead of `+`.\r\n */\r\n var serializeParam = function(value) {\r\n return encodeURIComponent(value).replace(/%20/g, '+');\r\n };\r\n\r\n var deserializeParam = function(value) {\r\n return decodeURIComponent(String(value).replace(/\\+/g, ' '));\r\n };\r\n\r\n var polyfillURLSearchParams = function() {\r\n\r\n var URLSearchParams = function(searchString) {\r\n Object.defineProperty(this, '_entries', { writable: true, value: {} });\r\n var typeofSearchString = typeof searchString;\r\n\r\n if (typeofSearchString === 'undefined') {\r\n // do nothing\r\n } else if (typeofSearchString === 'string') {\r\n if (searchString !== '') {\r\n this._fromString(searchString);\r\n }\r\n } else if (searchString instanceof URLSearchParams) {\r\n var _this = this;\r\n searchString.forEach(function(value, name) {\r\n _this.append(name, value);\r\n });\r\n } else if ((searchString !== null) && (typeofSearchString === 'object')) {\r\n if (Object.prototype.toString.call(searchString) === '[object Array]') {\r\n for (var i = 0; i < searchString.length; i++) {\r\n var entry = searchString[i];\r\n if ((Object.prototype.toString.call(entry) === '[object Array]') || (entry.length !== 2)) {\r\n this.append(entry[0], entry[1]);\r\n } else {\r\n throw new TypeError('Expected [string, any] as entry at index ' + i + ' of URLSearchParams\\'s input');\r\n }\r\n }\r\n } else {\r\n for (var key in searchString) {\r\n if (searchString.hasOwnProperty(key)) {\r\n this.append(key, searchString[key]);\r\n }\r\n }\r\n }\r\n } else {\r\n throw new TypeError('Unsupported input\\'s type for URLSearchParams');\r\n }\r\n };\r\n\r\n var proto = URLSearchParams.prototype;\r\n\r\n proto.append = function(name, value) {\r\n if (name in this._entries) {\r\n this._entries[name].push(String(value));\r\n } else {\r\n this._entries[name] = [String(value)];\r\n }\r\n };\r\n\r\n proto.delete = function(name) {\r\n delete this._entries[name];\r\n };\r\n\r\n proto.get = function(name) {\r\n return (name in this._entries) ? this._entries[name][0] : null;\r\n };\r\n\r\n proto.getAll = function(name) {\r\n return (name in this._entries) ? this._entries[name].slice(0) : [];\r\n };\r\n\r\n proto.has = function(name) {\r\n return (name in this._entries);\r\n };\r\n\r\n proto.set = function(name, value) {\r\n this._entries[name] = [String(value)];\r\n };\r\n\r\n proto.forEach = function(callback, thisArg) {\r\n var entries;\r\n for (var name in this._entries) {\r\n if (this._entries.hasOwnProperty(name)) {\r\n entries = this._entries[name];\r\n for (var i = 0; i < entries.length; i++) {\r\n callback.call(thisArg, entries[i], name, this);\r\n }\r\n }\r\n }\r\n };\r\n\r\n proto.keys = function() {\r\n var items = [];\r\n this.forEach(function(value, name) {\r\n items.push(name);\r\n });\r\n return createIterator(items);\r\n };\r\n\r\n proto.values = function() {\r\n var items = [];\r\n this.forEach(function(value) {\r\n items.push(value);\r\n });\r\n return createIterator(items);\r\n };\r\n\r\n proto.entries = function() {\r\n var items = [];\r\n this.forEach(function(value, name) {\r\n items.push([name, value]);\r\n });\r\n return createIterator(items);\r\n };\r\n\r\n if (iteratorSupported) {\r\n proto[Symbol.iterator] = proto.entries;\r\n }\r\n\r\n proto.toString = function() {\r\n var searchArray = [];\r\n this.forEach(function(value, name) {\r\n searchArray.push(serializeParam(name) + '=' + serializeParam(value));\r\n });\r\n return searchArray.join('&');\r\n };\r\n\r\n\r\n global.URLSearchParams = URLSearchParams;\r\n };\r\n\r\n var checkIfURLSearchParamsSupported = function() {\r\n try {\r\n var URLSearchParams = global.URLSearchParams;\r\n\r\n return (\r\n (new URLSearchParams('?a=1').toString() === 'a=1') &&\r\n (typeof URLSearchParams.prototype.set === 'function') &&\r\n (typeof URLSearchParams.prototype.entries === 'function')\r\n );\r\n } catch (e) {\r\n return false;\r\n }\r\n };\r\n\r\n if (!checkIfURLSearchParamsSupported()) {\r\n polyfillURLSearchParams();\r\n }\r\n\r\n var proto = global.URLSearchParams.prototype;\r\n\r\n if (typeof proto.sort !== 'function') {\r\n proto.sort = function() {\r\n var _this = this;\r\n var items = [];\r\n this.forEach(function(value, name) {\r\n items.push([name, value]);\r\n if (!_this._entries) {\r\n _this.delete(name);\r\n }\r\n });\r\n items.sort(function(a, b) {\r\n if (a[0] < b[0]) {\r\n return -1;\r\n } else if (a[0] > b[0]) {\r\n return +1;\r\n } else {\r\n return 0;\r\n }\r\n });\r\n if (_this._entries) { // force reset because IE keeps keys index\r\n _this._entries = {};\r\n }\r\n for (var i = 0; i < items.length; i++) {\r\n this.append(items[i][0], items[i][1]);\r\n }\r\n };\r\n }\r\n\r\n if (typeof proto._fromString !== 'function') {\r\n Object.defineProperty(proto, '_fromString', {\r\n enumerable: false,\r\n configurable: false,\r\n writable: false,\r\n value: function(searchString) {\r\n if (this._entries) {\r\n this._entries = {};\r\n } else {\r\n var keys = [];\r\n this.forEach(function(value, name) {\r\n keys.push(name);\r\n });\r\n for (var i = 0; i < keys.length; i++) {\r\n this.delete(keys[i]);\r\n }\r\n }\r\n\r\n searchString = searchString.replace(/^\\?/, '');\r\n var attributes = searchString.split('&');\r\n var attribute;\r\n for (var i = 0; i < attributes.length; i++) {\r\n attribute = attributes[i].split('=');\r\n this.append(\r\n deserializeParam(attribute[0]),\r\n (attribute.length > 1) ? deserializeParam(attribute[1]) : ''\r\n );\r\n }\r\n }\r\n });\r\n }\r\n\r\n // HTMLAnchorElement\r\n\r\n})(\r\n (typeof global !== 'undefined') ? global\r\n : ((typeof window !== 'undefined') ? window\r\n : ((typeof self !== 'undefined') ? self : this))\r\n);\r\n\r\n(function(global) {\r\n /**\r\n * Polyfill URL\r\n *\r\n * Inspired from : https://github.com/arv/DOM-URL-Polyfill/blob/master/src/url.js\r\n */\r\n\r\n var checkIfURLIsSupported = function() {\r\n try {\r\n var u = new global.URL('b', 'http://a');\r\n u.pathname = 'c d';\r\n return (u.href === 'http://a/c%20d') && u.searchParams;\r\n } catch (e) {\r\n return false;\r\n }\r\n };\r\n\r\n\r\n var polyfillURL = function() {\r\n var _URL = global.URL;\r\n\r\n var URL = function(url, base) {\r\n if (typeof url !== 'string') url = String(url);\r\n if (base && typeof base !== 'string') base = String(base);\r\n\r\n // Only create another document if the base is different from current location.\r\n var doc = document, baseElement;\r\n if (base && (global.location === void 0 || base !== global.location.href)) {\r\n base = base.toLowerCase();\r\n doc = document.implementation.createHTMLDocument('');\r\n baseElement = doc.createElement('base');\r\n baseElement.href = base;\r\n doc.head.appendChild(baseElement);\r\n try {\r\n if (baseElement.href.indexOf(base) !== 0) throw new Error(baseElement.href);\r\n } catch (err) {\r\n throw new Error('URL unable to set base ' + base + ' due to ' + err);\r\n }\r\n }\r\n\r\n var anchorElement = doc.createElement('a');\r\n anchorElement.href = url;\r\n if (baseElement) {\r\n doc.body.appendChild(anchorElement);\r\n anchorElement.href = anchorElement.href; // force href to refresh\r\n }\r\n\r\n var inputElement = doc.createElement('input');\r\n inputElement.type = 'url';\r\n inputElement.value = url;\r\n\r\n if (anchorElement.protocol === ':' || !/:/.test(anchorElement.href) || (!inputElement.checkValidity() && !base)) {\r\n throw new TypeError('Invalid URL');\r\n }\r\n\r\n Object.defineProperty(this, '_anchorElement', {\r\n value: anchorElement\r\n });\r\n\r\n\r\n // create a linked searchParams which reflect its changes on URL\r\n var searchParams = new global.URLSearchParams(this.search);\r\n var enableSearchUpdate = true;\r\n var enableSearchParamsUpdate = true;\r\n var _this = this;\r\n ['append', 'delete', 'set'].forEach(function(methodName) {\r\n var method = searchParams[methodName];\r\n searchParams[methodName] = function() {\r\n method.apply(searchParams, arguments);\r\n if (enableSearchUpdate) {\r\n enableSearchParamsUpdate = false;\r\n _this.search = searchParams.toString();\r\n enableSearchParamsUpdate = true;\r\n }\r\n };\r\n });\r\n\r\n Object.defineProperty(this, 'searchParams', {\r\n value: searchParams,\r\n enumerable: true\r\n });\r\n\r\n var search = void 0;\r\n Object.defineProperty(this, '_updateSearchParams', {\r\n enumerable: false,\r\n configurable: false,\r\n writable: false,\r\n value: function() {\r\n if (this.search !== search) {\r\n search = this.search;\r\n if (enableSearchParamsUpdate) {\r\n enableSearchUpdate = false;\r\n this.searchParams._fromString(this.search);\r\n enableSearchUpdate = true;\r\n }\r\n }\r\n }\r\n });\r\n };\r\n\r\n var proto = URL.prototype;\r\n\r\n var linkURLWithAnchorAttribute = function(attributeName) {\r\n Object.defineProperty(proto, attributeName, {\r\n get: function() {\r\n return this._anchorElement[attributeName];\r\n },\r\n set: function(value) {\r\n this._anchorElement[attributeName] = value;\r\n },\r\n enumerable: true\r\n });\r\n };\r\n\r\n ['hash', 'host', 'hostname', 'port', 'protocol']\r\n .forEach(function(attributeName) {\r\n linkURLWithAnchorAttribute(attributeName);\r\n });\r\n\r\n Object.defineProperty(proto, 'search', {\r\n get: function() {\r\n return this._anchorElement['search'];\r\n },\r\n set: function(value) {\r\n this._anchorElement['search'] = value;\r\n this._updateSearchParams();\r\n },\r\n enumerable: true\r\n });\r\n\r\n Object.defineProperties(proto, {\r\n\r\n 'toString': {\r\n get: function() {\r\n var _this = this;\r\n return function() {\r\n return _this.href;\r\n };\r\n }\r\n },\r\n\r\n 'href': {\r\n get: function() {\r\n return this._anchorElement.href.replace(/\\?$/, '');\r\n },\r\n set: function(value) {\r\n this._anchorElement.href = value;\r\n this._updateSearchParams();\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'pathname': {\r\n get: function() {\r\n return this._anchorElement.pathname.replace(/(^\\/?)/, '/');\r\n },\r\n set: function(value) {\r\n this._anchorElement.pathname = value;\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'origin': {\r\n get: function() {\r\n // get expected port from protocol\r\n var expectedPort = { 'http:': 80, 'https:': 443, 'ftp:': 21 }[this._anchorElement.protocol];\r\n // add port to origin if, expected port is different than actual port\r\n // and it is not empty f.e http://foo:8080\r\n // 8080 != 80 && 8080 != ''\r\n var addPortToOrigin = this._anchorElement.port != expectedPort &&\r\n this._anchorElement.port !== '';\r\n\r\n return this._anchorElement.protocol +\r\n '//' +\r\n this._anchorElement.hostname +\r\n (addPortToOrigin ? (':' + this._anchorElement.port) : '');\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'password': { // TODO\r\n get: function() {\r\n return '';\r\n },\r\n set: function(value) {\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'username': { // TODO\r\n get: function() {\r\n return '';\r\n },\r\n set: function(value) {\r\n },\r\n enumerable: true\r\n },\r\n });\r\n\r\n URL.createObjectURL = function(blob) {\r\n return _URL.createObjectURL.apply(_URL, arguments);\r\n };\r\n\r\n URL.revokeObjectURL = function(url) {\r\n return _URL.revokeObjectURL.apply(_URL, arguments);\r\n };\r\n\r\n global.URL = URL;\r\n\r\n };\r\n\r\n if (!checkIfURLIsSupported()) {\r\n polyfillURL();\r\n }\r\n\r\n if ((global.location !== void 0) && !('origin' in global.location)) {\r\n var getOrigin = function() {\r\n return global.location.protocol + '//' + global.location.hostname + (global.location.port ? 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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global global, define, System, Reflect, Promise */\r\nvar __extends;\r\nvar __assign;\r\nvar __rest;\r\nvar __decorate;\r\nvar __param;\r\nvar __metadata;\r\nvar __awaiter;\r\nvar __generator;\r\nvar __exportStar;\r\nvar __values;\r\nvar __read;\r\nvar __spread;\r\nvar __spreadArrays;\r\nvar __spreadArray;\r\nvar __await;\r\nvar __asyncGenerator;\r\nvar __asyncDelegator;\r\nvar __asyncValues;\r\nvar __makeTemplateObject;\r\nvar __importStar;\r\nvar __importDefault;\r\nvar __classPrivateFieldGet;\r\nvar __classPrivateFieldSet;\r\nvar __createBinding;\r\n(function (factory) {\r\n var root = typeof global === \"object\" ? global : typeof self === \"object\" ? self : typeof this === \"object\" ? this : {};\r\n if (typeof define === \"function\" && define.amd) {\r\n define(\"tslib\", [\"exports\"], function (exports) { factory(createExporter(root, createExporter(exports))); });\r\n }\r\n else if (typeof module === \"object\" && typeof module.exports === \"object\") {\r\n factory(createExporter(root, createExporter(module.exports)));\r\n }\r\n else {\r\n factory(createExporter(root));\r\n }\r\n function createExporter(exports, previous) {\r\n if (exports !== root) {\r\n if (typeof Object.create === \"function\") {\r\n Object.defineProperty(exports, \"__esModule\", { value: true });\r\n }\r\n else {\r\n exports.__esModule = true;\r\n }\r\n }\r\n return function (id, v) { return exports[id] = previous ? previous(id, v) : v; };\r\n }\r\n})\r\n(function (exporter) {\r\n var extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n\r\n __extends = function (d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? 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'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n fakeElement.style.top = \"\".concat(yPosition, \"px\");\n fakeElement.setAttribute('readonly', '');\n fakeElement.value = value;\n return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n var fakeElement = createFakeElement(value);\n options.container.appendChild(fakeElement);\n var selectedText = select_default()(fakeElement);\n command('copy');\n fakeElement.remove();\n return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n var selectedText = '';\n\n if (typeof target === 'string') {\n selectedText = fakeCopyAction(target, options);\n } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n selectedText = fakeCopyAction(target.value, options);\n } else {\n selectedText = select_default()(target);\n command('copy');\n }\n\n return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n // Defines base properties passed from constructor.\n var _options$action = options.action,\n action = _options$action === void 0 ? 'copy' : _options$action,\n container = options.container,\n target = options.target,\n text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n if (action !== 'copy' && action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n } // Sets the `target` property using an element that will be have its content copied.\n\n\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n } // Define selection strategy based on `text` property.\n\n\n if (text) {\n return actions_copy(text, {\n container: container\n });\n } // Defines which selection strategy based on `target` property.\n\n\n if (target) {\n return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n container: container\n });\n }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n _classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n _createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n var action = this.action(trigger) || 'copy';\n var text = actions_default({\n action: action,\n container: this.container,\n target: this.target(trigger),\n text: this.text(trigger)\n }); // Fires an event based on the copy operation result.\n\n this.emit(text ? 'success' : 'error', {\n action: action,\n text: text,\n trigger: trigger,\n clearSelection: function clearSelection() {\n if (trigger) {\n trigger.focus();\n }\n\n window.getSelection().removeAllRanges();\n }\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Allow fire programmatically a copy action\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @returns Text copied.\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n }\n }], [{\n key: \"copy\",\n value: function copy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n return actions_copy(target, options);\n }\n /**\n * Allow fire programmatically a cut action\n * @param {String|HTMLElement} target\n * @returns Text cutted.\n */\n\n }, {\n key: \"cut\",\n value: function cut(target) {\n return actions_cut(target);\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "Array.prototype.flat||Object.defineProperty(Array.prototype,\"flat\",{configurable:!0,value:function r(){var t=isNaN(arguments[0])?1:Number(arguments[0]);return t?Array.prototype.reduce.call(this,function(a,e){return Array.isArray(e)?a.push.apply(a,r.call(e,t-1)):a.push(e),a},[]):Array.prototype.slice.call(this)},writable:!0}),Array.prototype.flatMap||Object.defineProperty(Array.prototype,\"flatMap\",{configurable:!0,value:function(r){return Array.prototype.map.apply(this,arguments).flat()},writable:!0})\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"array-flat-polyfill\"\nimport \"focus-visible\"\nimport \"unfetch/polyfill\"\nimport \"url-polyfill\"\n\nimport {\n EMPTY,\n NEVER,\n Subject,\n defer,\n delay,\n filter,\n map,\n merge,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getOptionalElement,\n requestJSON,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountAnnounce,\n mountBackToTop,\n mountConsent,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantLoading,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget()\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? __search?.index || requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up instant loading, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantLoading({ document$, location$, viewport$ })\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getOptionalElement(\"[href][rel=prev]\")\n if (typeof prev !== \"undefined\")\n prev.click()\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getOptionalElement(\"[href][rel=next]\")\n if (typeof next !== \"undefined\")\n next.click()\n break\n }\n })\n\n/* Set up patches */\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Consent */\n ...getComponentElements(\"consent\")\n .map(el => mountConsent(el, { target$ })),\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Announcement bar */\n ...getComponentElements(\"announce\")\n .map(el => mountAnnounce(el)),\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : EMPTY\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, { viewport$, header$, target$ })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Media tablet observable */\nwindow.screen$ = screen$ /* Media screen observable */\nwindow.print$ = print$ /* Media print observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.component$ = component$ /* Component observable */\n", "self.fetch||(self.fetch=function(e,n){return n=n||{},new Promise(function(t,s){var r=new XMLHttpRequest,o=[],u=[],i={},a=function(){return{ok:2==(r.status/100|0),statusText:r.statusText,status:r.status,url:r.responseURL,text:function(){return Promise.resolve(r.responseText)},json:function(){return Promise.resolve(r.responseText).then(JSON.parse)},blob:function(){return Promise.resolve(new Blob([r.response]))},clone:a,headers:{keys:function(){return o},entries:function(){return u},get:function(e){return i[e.toLowerCase()]},has:function(e){return e.toLowerCase()in i}}}};for(var c in r.open(n.method||\"get\",e,!0),r.onload=function(){r.getAllResponseHeaders().replace(/^(.*?):[^\\S\\n]*([\\s\\S]*?)$/gm,function(e,n,t){o.push(n=n.toLowerCase()),u.push([n,t]),i[n]=i[n]?i[n]+\",\"+t:t}),t(a())},r.onerror=s,r.withCredentials=\"include\"==n.credentials,n.headers)r.setRequestHeader(c,n.headers[c]);r.send(n.body||null)})});\n", "import tslib from '../tslib.js';\r\nconst {\r\n __extends,\r\n __assign,\r\n __rest,\r\n __decorate,\r\n __param,\r\n __metadata,\r\n __awaiter,\r\n __generator,\r\n __exportStar,\r\n __createBinding,\r\n __values,\r\n __read,\r\n __spread,\r\n __spreadArrays,\r\n __spreadArray,\r\n __await,\r\n __asyncGenerator,\r\n __asyncDelegator,\r\n __asyncValues,\r\n __makeTemplateObject,\r\n __importStar,\r\n __importDefault,\r\n __classPrivateFieldGet,\r\n __classPrivateFieldSet,\r\n} = tslib;\r\nexport {\r\n __extends,\r\n __assign,\r\n __rest,\r\n __decorate,\r\n __param,\r\n __metadata,\r\n __awaiter,\r\n __generator,\r\n __exportStar,\r\n __createBinding,\r\n __values,\r\n __read,\r\n __spread,\r\n __spreadArrays,\r\n __spreadArray,\r\n __await,\r\n __asyncGenerator,\r\n __asyncDelegator,\r\n __asyncValues,\r\n __makeTemplateObject,\r\n __importStar,\r\n __importDefault,\r\n __classPrivateFieldGet,\r\n __classPrivateFieldSet,\r\n};\r\n", null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n ReplaySubject,\n Subject,\n fromEvent\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents are implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted.\n *\n * @returns Document subject\n */\nexport function watchDocument(): Subject {\n const document$ = new ReplaySubject(1)\n fromEvent(document, \"DOMContentLoaded\", { once: true })\n .subscribe(() => document$.next(document))\n\n /* Return document */\n return document$\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements(\n selector: string, node?: ParentNode\n): T[]\n\nexport function getElements(\n selector: string, node: ParentNode = document\n): T[] {\n return Array.from(node.querySelectorAll(selector))\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * Note that this function assumes that the element is present. If unsure if an\n * element is existent, use the `getOptionalElement` function instead.\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElement(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement(\n selector: string, node?: ParentNode\n): T\n\nexport function getElement(\n selector: string, node: ParentNode = document\n): T {\n const el = getOptionalElement(selector, node)\n if (typeof el === \"undefined\")\n throw new ReferenceError(\n `Missing element: expected \"${selector}\" to be present`\n )\n\n /* Return element */\n return el\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an optional element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getOptionalElement(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T] | undefined\n\nexport function getOptionalElement(\n selector: string, node?: ParentNode\n): T | undefined\n\nexport function getOptionalElement(\n selector: string, node: ParentNode = document\n): T | undefined {\n return node.querySelector(selector) || undefined\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n return document.activeElement instanceof HTMLElement\n ? document.activeElement || undefined\n : undefined\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n debounceTime,\n distinctUntilChanged,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * Previously, this function used `focus` and `blur` events to determine whether\n * an element is focused, but this doesn't work if there are focusable elements\n * within the elements itself. A better solutions are `focusin` and `focusout`\n * events, which bubble up the tree and allow for more fine-grained control.\n *\n * `debounceTime` is necessary, because when a focus change happens inside an\n * element, the observable would first emit `false` and then `true` again.\n *\n * @param el - Element\n *\n * @returns Element focus observable\n */\nexport function watchElementFocus(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(document.body, \"focusin\"),\n fromEvent(document.body, \"focusout\")\n )\n .pipe(\n debounceTime(1),\n map(() => {\n const active = getActiveElement()\n return typeof active !== \"undefined\"\n ? el.contains(active)\n : false\n }),\n startWith(el === getActiveElement()),\n distinctUntilChanged()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n animationFrameScheduler,\n auditTime,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffset(\n el: HTMLElement\n): ElementOffset {\n return {\n x: el.offsetLeft,\n y: el.offsetTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffset(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(window, \"load\"),\n fromEvent(window, \"resize\")\n )\n .pipe(\n auditTime(0, animationFrameScheduler),\n map(() => getElementOffset(el)),\n startWith(getElementOffset(el))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n animationFrameScheduler,\n auditTime,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\nimport { ElementOffset } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content offset (= scroll offset)\n *\n * @param el - Element\n *\n * @returns Element content offset\n */\nexport function getElementContentOffset(\n el: HTMLElement\n): ElementOffset {\n return {\n x: el.scrollLeft,\n y: el.scrollTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element content offset\n *\n * @param el - Element\n *\n * @returns Element content offset observable\n */\nexport function watchElementContentOffset(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(el, \"scroll\"),\n fromEvent(window, \"resize\")\n )\n .pipe(\n auditTime(0, animationFrameScheduler),\n map(() => getElementContentOffset(el)),\n startWith(getElementContentOffset(el))\n )\n}\n", "/**\r\n * A collection of shims that provide minimal functionality of the ES6 collections.\r\n *\r\n * These implementations are not meant to be used outside of the ResizeObserver\r\n * modules as they cover only a limited range of use cases.\r\n */\r\n/* eslint-disable require-jsdoc, valid-jsdoc */\r\nvar MapShim = (function () {\r\n if (typeof Map !== 'undefined') {\r\n return Map;\r\n }\r\n /**\r\n * Returns index in provided array that matches the specified key.\r\n *\r\n * @param {Array} arr\r\n * @param {*} key\r\n * @returns {number}\r\n */\r\n function getIndex(arr, key) {\r\n var result = -1;\r\n arr.some(function (entry, index) {\r\n if (entry[0] === key) {\r\n result = index;\r\n return true;\r\n }\r\n return false;\r\n });\r\n return result;\r\n }\r\n return /** @class */ (function () {\r\n function class_1() {\r\n this.__entries__ = [];\r\n }\r\n Object.defineProperty(class_1.prototype, \"size\", {\r\n /**\r\n * @returns {boolean}\r\n */\r\n get: function () {\r\n return this.__entries__.length;\r\n },\r\n enumerable: true,\r\n configurable: true\r\n });\r\n /**\r\n * @param {*} key\r\n * @returns {*}\r\n */\r\n class_1.prototype.get = function (key) {\r\n var index = getIndex(this.__entries__, key);\r\n var entry = this.__entries__[index];\r\n return entry && entry[1];\r\n };\r\n /**\r\n * @param {*} key\r\n * @param {*} value\r\n * @returns {void}\r\n */\r\n class_1.prototype.set = function (key, value) {\r\n var index = getIndex(this.__entries__, key);\r\n if (~index) {\r\n this.__entries__[index][1] = value;\r\n }\r\n else {\r\n this.__entries__.push([key, value]);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.delete = function (key) {\r\n var entries = this.__entries__;\r\n var index = getIndex(entries, key);\r\n if (~index) {\r\n entries.splice(index, 1);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.has = function (key) {\r\n return !!~getIndex(this.__entries__, key);\r\n };\r\n /**\r\n * @returns {void}\r\n */\r\n class_1.prototype.clear = function () {\r\n this.__entries__.splice(0);\r\n };\r\n /**\r\n * @param {Function} callback\r\n * @param {*} [ctx=null]\r\n * @returns {void}\r\n */\r\n class_1.prototype.forEach = function (callback, ctx) {\r\n if (ctx === void 0) { ctx = null; }\r\n for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {\r\n var entry = _a[_i];\r\n callback.call(ctx, entry[1], entry[0]);\r\n }\r\n };\r\n return class_1;\r\n }());\r\n})();\n\n/**\r\n * Detects whether window and document objects are available in current environment.\r\n */\r\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && window.document === document;\n\n// Returns global object of a current environment.\r\nvar global$1 = (function () {\r\n if (typeof global !== 'undefined' && global.Math === Math) {\r\n return global;\r\n }\r\n if (typeof self !== 'undefined' && self.Math === Math) {\r\n return self;\r\n }\r\n if (typeof window !== 'undefined' && window.Math === Math) {\r\n return window;\r\n }\r\n // eslint-disable-next-line no-new-func\r\n return Function('return this')();\r\n})();\n\n/**\r\n * A shim for the requestAnimationFrame which falls back to the setTimeout if\r\n * first one is not supported.\r\n *\r\n * @returns {number} Requests' identifier.\r\n */\r\nvar requestAnimationFrame$1 = (function () {\r\n if (typeof requestAnimationFrame === 'function') {\r\n // It's required to use a bounded function because IE sometimes throws\r\n // an \"Invalid calling object\" error if rAF is invoked without the global\r\n // object on the left hand side.\r\n return requestAnimationFrame.bind(global$1);\r\n }\r\n return function (callback) { return setTimeout(function () { return callback(Date.now()); }, 1000 / 60); };\r\n})();\n\n// Defines minimum timeout before adding a trailing call.\r\nvar trailingTimeout = 2;\r\n/**\r\n * Creates a wrapper function which ensures that provided callback will be\r\n * invoked only once during the specified delay period.\r\n *\r\n * @param {Function} callback - Function to be invoked after the delay period.\r\n * @param {number} delay - Delay after which to invoke callback.\r\n * @returns {Function}\r\n */\r\nfunction throttle (callback, delay) {\r\n var leadingCall = false, trailingCall = false, lastCallTime = 0;\r\n /**\r\n * Invokes the original callback function and schedules new invocation if\r\n * the \"proxy\" was called during current request.\r\n *\r\n * @returns {void}\r\n */\r\n function resolvePending() {\r\n if (leadingCall) {\r\n leadingCall = false;\r\n callback();\r\n }\r\n if (trailingCall) {\r\n proxy();\r\n }\r\n }\r\n /**\r\n * Callback invoked after the specified delay. It will further postpone\r\n * invocation of the original function delegating it to the\r\n * requestAnimationFrame.\r\n *\r\n * @returns {void}\r\n */\r\n function timeoutCallback() {\r\n requestAnimationFrame$1(resolvePending);\r\n }\r\n /**\r\n * Schedules invocation of the original function.\r\n *\r\n * @returns {void}\r\n */\r\n function proxy() {\r\n var timeStamp = Date.now();\r\n if (leadingCall) {\r\n // Reject immediately following calls.\r\n if (timeStamp - lastCallTime < trailingTimeout) {\r\n return;\r\n }\r\n // Schedule new call to be in invoked when the pending one is resolved.\r\n // This is important for \"transitions\" which never actually start\r\n // immediately so there is a chance that we might miss one if change\r\n // happens amids the pending invocation.\r\n trailingCall = true;\r\n }\r\n else {\r\n leadingCall = true;\r\n trailingCall = false;\r\n setTimeout(timeoutCallback, delay);\r\n }\r\n lastCallTime = timeStamp;\r\n }\r\n return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserverController.\r\n *\r\n * @private\r\n */\r\n function ResizeObserverController() {\r\n /**\r\n * Indicates whether DOM listeners have been added.\r\n *\r\n * @private {boolean}\r\n */\r\n this.connected_ = false;\r\n /**\r\n * Tells that controller has subscribed for Mutation Events.\r\n *\r\n * @private {boolean}\r\n */\r\n this.mutationEventsAdded_ = false;\r\n /**\r\n * Keeps reference to the instance of MutationObserver.\r\n *\r\n * @private {MutationObserver}\r\n */\r\n this.mutationsObserver_ = null;\r\n /**\r\n * A list of connected observers.\r\n *\r\n * @private {Array}\r\n */\r\n this.observers_ = [];\r\n this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n }\r\n /**\r\n * Adds observer to observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be added.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.addObserver = function (observer) {\r\n if (!~this.observers_.indexOf(observer)) {\r\n this.observers_.push(observer);\r\n }\r\n // Add listeners if they haven't been added yet.\r\n if (!this.connected_) {\r\n this.connect_();\r\n }\r\n };\r\n /**\r\n * Removes observer from observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.removeObserver = function (observer) {\r\n var observers = this.observers_;\r\n var index = observers.indexOf(observer);\r\n // Remove observer if it's present in registry.\r\n if (~index) {\r\n observers.splice(index, 1);\r\n }\r\n // Remove listeners if controller has no connected observers.\r\n if (!observers.length && this.connected_) {\r\n this.disconnect_();\r\n }\r\n };\r\n /**\r\n * Invokes the update of observers. It will continue running updates insofar\r\n * it detects changes.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.refresh = function () {\r\n var changesDetected = this.updateObservers_();\r\n // Continue running updates if changes have been detected as there might\r\n // be future ones caused by CSS transitions.\r\n if (changesDetected) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Updates every observer from observers list and notifies them of queued\r\n * entries.\r\n *\r\n * @private\r\n * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n * dimensions of it's elements.\r\n */\r\n ResizeObserverController.prototype.updateObservers_ = function () {\r\n // Collect observers that have active observations.\r\n var activeObservers = this.observers_.filter(function (observer) {\r\n return observer.gatherActive(), observer.hasActive();\r\n });\r\n // Deliver notifications in a separate cycle in order to avoid any\r\n // collisions between observers, e.g. when multiple instances of\r\n // ResizeObserver are tracking the same element and the callback of one\r\n // of them changes content dimensions of the observed target. Sometimes\r\n // this may result in notifications being blocked for the rest of observers.\r\n activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n return activeObservers.length > 0;\r\n };\r\n /**\r\n * Initializes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.connect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already added.\r\n if (!isBrowser || this.connected_) {\r\n return;\r\n }\r\n // Subscription to the \"Transitionend\" event is used as a workaround for\r\n // delayed transitions. This way it's possible to capture at least the\r\n // final state of an element.\r\n document.addEventListener('transitionend', this.onTransitionEnd_);\r\n window.addEventListener('resize', this.refresh);\r\n if (mutationObserverSupported) {\r\n this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n this.mutationsObserver_.observe(document, {\r\n attributes: true,\r\n childList: true,\r\n characterData: true,\r\n subtree: true\r\n });\r\n }\r\n else {\r\n document.addEventListener('DOMSubtreeModified', this.refresh);\r\n this.mutationEventsAdded_ = true;\r\n }\r\n this.connected_ = true;\r\n };\r\n /**\r\n * Removes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.disconnect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already removed.\r\n if (!isBrowser || !this.connected_) {\r\n return;\r\n }\r\n document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n window.removeEventListener('resize', this.refresh);\r\n if (this.mutationsObserver_) {\r\n this.mutationsObserver_.disconnect();\r\n }\r\n if (this.mutationEventsAdded_) {\r\n document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n }\r\n this.mutationsObserver_ = null;\r\n this.mutationEventsAdded_ = false;\r\n this.connected_ = false;\r\n };\r\n /**\r\n * \"Transitionend\" event handler.\r\n *\r\n * @private\r\n * @param {TransitionEvent} event\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n // Detect whether transition may affect dimensions of an element.\r\n var isReflowProperty = transitionKeys.some(function (key) {\r\n return !!~propertyName.indexOf(key);\r\n });\r\n if (isReflowProperty) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Returns instance of the ResizeObserverController.\r\n *\r\n * @returns {ResizeObserverController}\r\n */\r\n ResizeObserverController.getInstance = function () {\r\n if (!this.instance_) {\r\n this.instance_ = new ResizeObserverController();\r\n }\r\n return this.instance_;\r\n };\r\n /**\r\n * Holds reference to the controller's instance.\r\n *\r\n * @private {ResizeObserverController}\r\n */\r\n ResizeObserverController.instance_ = null;\r\n return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n var key = _a[_i];\r\n Object.defineProperty(target, key, {\r\n value: props[key],\r\n enumerable: false,\r\n writable: false,\r\n configurable: true\r\n });\r\n }\r\n return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n // Assume that the element is an instance of Node, which means that it\r\n // has the \"ownerDocument\" property from which we can retrieve a\r\n // corresponding global object.\r\n var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n // Return the local global object if it's not possible extract one from\r\n // provided element.\r\n return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n var positions = [];\r\n for (var _i = 1; _i < arguments.length; _i++) {\r\n positions[_i - 1] = arguments[_i];\r\n }\r\n return positions.reduce(function (size, position) {\r\n var value = styles['border-' + position + '-width'];\r\n return size + toFloat(value);\r\n }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n var positions = ['top', 'right', 'bottom', 'left'];\r\n var paddings = {};\r\n for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n var position = positions_1[_i];\r\n var value = styles['padding-' + position];\r\n paddings[position] = toFloat(value);\r\n }\r\n return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n * to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n var bbox = target.getBBox();\r\n return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n // Client width & height properties can't be\r\n // used exclusively as they provide rounded values.\r\n var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n // By this condition we can catch all non-replaced inline, hidden and\r\n // detached elements. Though elements with width & height properties less\r\n // than 0.5 will be discarded as well.\r\n //\r\n // Without it we would need to implement separate methods for each of\r\n // those cases and it's not possible to perform a precise and performance\r\n // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n // gives wrong results for elements with width & height less than 0.5.\r\n if (!clientWidth && !clientHeight) {\r\n return emptyRect;\r\n }\r\n var styles = getWindowOf(target).getComputedStyle(target);\r\n var paddings = getPaddings(styles);\r\n var horizPad = paddings.left + paddings.right;\r\n var vertPad = paddings.top + paddings.bottom;\r\n // Computed styles of width & height are being used because they are the\r\n // only dimensions available to JS that contain non-rounded values. It could\r\n // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n var width = toFloat(styles.width), height = toFloat(styles.height);\r\n // Width & height include paddings and borders when the 'border-box' box\r\n // model is applied (except for IE).\r\n if (styles.boxSizing === 'border-box') {\r\n // Following conditions are required to handle Internet Explorer which\r\n // doesn't include paddings and borders to computed CSS dimensions.\r\n //\r\n // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n // properties then it's either IE, and thus we don't need to subtract\r\n // anything, or an element merely doesn't have paddings/borders styles.\r\n if (Math.round(width + horizPad) !== clientWidth) {\r\n width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n }\r\n if (Math.round(height + vertPad) !== clientHeight) {\r\n height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n }\r\n }\r\n // Following steps can't be applied to the document's root element as its\r\n // client[Width/Height] properties represent viewport area of the window.\r\n // Besides, it's as well not necessary as the itself neither has\r\n // rendered scroll bars nor it can be clipped.\r\n if (!isDocumentElement(target)) {\r\n // In some browsers (only in Firefox, actually) CSS width & height\r\n // include scroll bars size which can be removed at this step as scroll\r\n // bars are the only difference between rounded dimensions + paddings\r\n // and \"client\" properties, though that is not always true in Chrome.\r\n var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n // Chrome has a rather weird rounding of \"client\" properties.\r\n // E.g. for an element with content width of 314.2px it sometimes gives\r\n // the client width of 315px and for the width of 314.7px it may give\r\n // 314px. And it doesn't happen all the time. So just ignore this delta\r\n // as a non-relevant.\r\n if (Math.abs(vertScrollbar) !== 1) {\r\n width -= vertScrollbar;\r\n }\r\n if (Math.abs(horizScrollbar) !== 1) {\r\n height -= horizScrollbar;\r\n }\r\n }\r\n return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n // interface.\r\n if (typeof SVGGraphicsElement !== 'undefined') {\r\n return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n }\r\n // If it's so, then check that element is at least an instance of the\r\n // SVGElement and that it has the \"getBBox\" method.\r\n // eslint-disable-next-line no-extra-parens\r\n return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element ().\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n if (!isBrowser) {\r\n return emptyRect;\r\n }\r\n if (isSVGGraphicsElement(target)) {\r\n return getSVGContentRect(target);\r\n }\r\n return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n var rect = Object.create(Constr.prototype);\r\n // Rectangle's properties are not writable and non-enumerable.\r\n defineConfigurable(rect, {\r\n x: x, y: y, width: width, height: height,\r\n top: y,\r\n right: x + width,\r\n bottom: height + y,\r\n left: x\r\n });\r\n return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObservation.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n */\r\n function ResizeObservation(target) {\r\n /**\r\n * Broadcasted width of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastWidth = 0;\r\n /**\r\n * Broadcasted height of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastHeight = 0;\r\n /**\r\n * Reference to the last observed content rectangle.\r\n *\r\n * @private {DOMRectInit}\r\n */\r\n this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n this.target = target;\r\n }\r\n /**\r\n * Updates content rectangle and tells whether it's width or height properties\r\n * have changed since the last broadcast.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObservation.prototype.isActive = function () {\r\n var rect = getContentRect(this.target);\r\n this.contentRect_ = rect;\r\n return (rect.width !== this.broadcastWidth ||\r\n rect.height !== this.broadcastHeight);\r\n };\r\n /**\r\n * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n * from the corresponding properties of the last observed content rectangle.\r\n *\r\n * @returns {DOMRectInit} Last observed content rectangle.\r\n */\r\n ResizeObservation.prototype.broadcastRect = function () {\r\n var rect = this.contentRect_;\r\n this.broadcastWidth = rect.width;\r\n this.broadcastHeight = rect.height;\r\n return rect;\r\n };\r\n return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObserverEntry.\r\n *\r\n * @param {Element} target - Element that is being observed.\r\n * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n */\r\n function ResizeObserverEntry(target, rectInit) {\r\n var contentRect = createReadOnlyRect(rectInit);\r\n // According to the specification following properties are not writable\r\n // and are also not enumerable in the native implementation.\r\n //\r\n // Property accessors are not being used as they'd require to define a\r\n // private WeakMap storage which may cause memory leaks in browsers that\r\n // don't support this type of collections.\r\n defineConfigurable(this, { target: target, contentRect: contentRect });\r\n }\r\n return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n * when one of the observed elements changes it's content dimensions.\r\n * @param {ResizeObserverController} controller - Controller instance which\r\n * is responsible for the updates of observer.\r\n * @param {ResizeObserver} callbackCtx - Reference to the public\r\n * ResizeObserver instance which will be passed to callback function.\r\n */\r\n function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n /**\r\n * Collection of resize observations that have detected changes in dimensions\r\n * of elements.\r\n *\r\n * @private {Array}\r\n */\r\n this.activeObservations_ = [];\r\n /**\r\n * Registry of the ResizeObservation instances.\r\n *\r\n * @private {Map}\r\n */\r\n this.observations_ = new MapShim();\r\n if (typeof callback !== 'function') {\r\n throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n }\r\n this.callback_ = callback;\r\n this.controller_ = controller;\r\n this.callbackCtx_ = callbackCtx;\r\n }\r\n /**\r\n * Starts observing provided element.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.observe = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is already being observed.\r\n if (observations.has(target)) {\r\n return;\r\n }\r\n observations.set(target, new ResizeObservation(target));\r\n this.controller_.addObserver(this);\r\n // Force the update of observations.\r\n this.controller_.refresh();\r\n };\r\n /**\r\n * Stops observing provided element.\r\n *\r\n * @param {Element} target - Element to stop observing.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.unobserve = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is not being observed.\r\n if (!observations.has(target)) {\r\n return;\r\n }\r\n observations.delete(target);\r\n if (!observations.size) {\r\n this.controller_.removeObserver(this);\r\n }\r\n };\r\n /**\r\n * Stops observing all elements.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.disconnect = function () {\r\n this.clearActive();\r\n this.observations_.clear();\r\n this.controller_.removeObserver(this);\r\n };\r\n /**\r\n * Collects observation instances the associated element of which has changed\r\n * it's content rectangle.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.gatherActive = function () {\r\n var _this = this;\r\n this.clearActive();\r\n this.observations_.forEach(function (observation) {\r\n if (observation.isActive()) {\r\n _this.activeObservations_.push(observation);\r\n }\r\n });\r\n };\r\n /**\r\n * Invokes initial callback function with a list of ResizeObserverEntry\r\n * instances collected from active resize observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.broadcastActive = function () {\r\n // Do nothing if observer doesn't have active observations.\r\n if (!this.hasActive()) {\r\n return;\r\n }\r\n var ctx = this.callbackCtx_;\r\n // Create ResizeObserverEntry instance for every active observation.\r\n var entries = this.activeObservations_.map(function (observation) {\r\n return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n });\r\n this.callback_.call(ctx, entries, ctx);\r\n this.clearActive();\r\n };\r\n /**\r\n * Clears the collection of active observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.clearActive = function () {\r\n this.activeObservations_.splice(0);\r\n };\r\n /**\r\n * Tells whether observer has active observations.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObserverSPI.prototype.hasActive = function () {\r\n return this.activeObservations_.length > 0;\r\n };\r\n return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n * dimensions of the observed elements change.\r\n */\r\n function ResizeObserver(callback) {\r\n if (!(this instanceof ResizeObserver)) {\r\n throw new TypeError('Cannot call a class as a function.');\r\n }\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n var controller = ResizeObserverController.getInstance();\r\n var observer = new ResizeObserverSPI(callback, controller, this);\r\n observers.set(this, observer);\r\n }\r\n return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n 'observe',\r\n 'unobserve',\r\n 'disconnect'\r\n].forEach(function (method) {\r\n ResizeObserver.prototype[method] = function () {\r\n var _a;\r\n return (_a = observers.get(this))[method].apply(_a, arguments);\r\n };\r\n});\n\nvar index = (function () {\r\n // Export existing implementation if available.\r\n if (typeof global$1.ResizeObserver !== 'undefined') {\r\n return global$1.ResizeObserver;\r\n }\r\n return ResizeObserver;\r\n})();\n\nexport default index;\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ResizeObserver from \"resize-observer-polyfill\"\nimport {\n NEVER,\n Observable,\n Subject,\n defer,\n filter,\n finalize,\n map,\n merge,\n of,\n shareReplay,\n startWith,\n switchMap,\n tap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n width: number /* Element width */\n height: number /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Resize observer entry subject\n */\nconst entry$ = new Subject()\n\n/**\n * Resize observer observable\n *\n * This observable will create a `ResizeObserver` on the first subscription\n * and will automatically terminate it when there are no more subscribers.\n * It's quite important to centralize observation in a single `ResizeObserver`,\n * as the performance difference can be quite dramatic, as the link shows.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n new ResizeObserver(entries => {\n for (const entry of entries)\n entry$.next(entry)\n })\n))\n .pipe(\n switchMap(observer => merge(NEVER, of(observer))\n .pipe(\n finalize(() => observer.disconnect())\n )\n ),\n shareReplay(1)\n )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementSize(\n el: HTMLElement\n): ElementSize {\n return {\n width: el.offsetWidth,\n height: el.offsetHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * This function returns an observable that subscribes to a single internal\n * instance of `ResizeObserver` upon subscription, and emit resize events until\n * termination. Note that this function should not be called with the same\n * element twice, as the first unsubscription will terminate observation.\n *\n * Sadly, we can't use the `DOMRect` objects returned by the observer, because\n * we need the emitted values to be consistent with `getElementSize`, which will\n * return the used values (rounded) and not actual values (unrounded). Thus, we\n * use the `offset*` properties. See the linked GitHub issue.\n *\n * @see https://bit.ly/3m0k3he - GitHub issue\n *\n * @param el - Element\n *\n * @returns Element size observable\n */\nexport function watchElementSize(\n el: HTMLElement\n): Observable {\n return observer$\n .pipe(\n tap(observer => observer.observe(el)),\n switchMap(observer => entry$\n .pipe(\n filter(({ target }) => target === el),\n finalize(() => observer.unobserve(el)),\n map(() => getElementSize(el))\n )\n ),\n startWith(getElementSize(el))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ElementSize } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content size (= scroll width and height)\n *\n * @param el - Element\n *\n * @returns Element content size\n */\nexport function getElementContentSize(\n el: HTMLElement\n): ElementSize {\n return {\n width: el.scrollWidth,\n height: el.scrollHeight\n }\n}\n\n/**\n * Retrieve the overflowing container of an element, if any\n *\n * @param el - Element\n *\n * @returns Overflowing container or nothing\n */\nexport function getElementContainer(\n el: HTMLElement\n): HTMLElement | undefined {\n let parent = el.parentElement\n while (parent)\n if (\n el.scrollWidth <= parent.scrollWidth &&\n el.scrollHeight <= parent.scrollHeight\n )\n parent = (el = parent).parentElement\n else\n break\n\n /* Return overflowing container */\n return parent ? el : undefined\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n NEVER,\n Observable,\n Subject,\n defer,\n distinctUntilChanged,\n filter,\n finalize,\n map,\n merge,\n of,\n shareReplay,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport {\n getElementContentSize,\n getElementSize,\n watchElementContentOffset\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Intersection observer entry subject\n */\nconst entry$ = new Subject()\n\n/**\n * Intersection observer observable\n *\n * This observable will create an `IntersectionObserver` on first subscription\n * and will automatically terminate it when there are no more subscribers.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n new IntersectionObserver(entries => {\n for (const entry of entries)\n entry$.next(entry)\n }, {\n threshold: 0\n })\n))\n .pipe(\n switchMap(observer => merge(NEVER, of(observer))\n .pipe(\n finalize(() => observer.disconnect())\n )\n ),\n shareReplay(1)\n )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element visibility\n *\n * @param el - Element\n *\n * @returns Element visibility observable\n */\nexport function watchElementVisibility(\n el: HTMLElement\n): Observable {\n return observer$\n .pipe(\n tap(observer => observer.observe(el)),\n switchMap(observer => entry$\n .pipe(\n filter(({ target }) => target === el),\n finalize(() => observer.unobserve(el)),\n map(({ isIntersecting }) => isIntersecting)\n )\n )\n )\n}\n\n/**\n * Watch element boundary\n *\n * This function returns an observable which emits whether the bottom content\n * boundary (= scroll offset) of an element is within a certain threshold.\n *\n * @param el - Element\n * @param threshold - Threshold\n *\n * @returns Element boundary observable\n */\nexport function watchElementBoundary(\n el: HTMLElement, threshold = 16\n): Observable {\n return watchElementContentOffset(el)\n .pipe(\n map(({ y }) => {\n const visible = getElementSize(el)\n const content = getElementContentSize(el)\n return y >= (\n content.height - visible.height - threshold\n )\n }),\n distinctUntilChanged()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n startWith\n} from \"rxjs\"\n\nimport { getElement } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n | \"drawer\" /* Toggle for drawer */\n | \"search\" /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record = {\n drawer: getElement(\"[data-md-toggle=drawer]\"),\n search: getElement(\"[data-md-toggle=search]\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n if (toggles[name].checked !== value)\n toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable {\n const el = toggles[name]\n return fromEvent(el, \"change\")\n .pipe(\n map(() => el.checked),\n startWith(el.checked)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n filter,\n fromEvent,\n map,\n share\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../element\"\nimport { getToggle } from \"../toggle\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n | \"global\" /* Global */\n | \"search\" /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard {\n mode: KeyboardMode /* Keyboard mode */\n type: string /* Key type */\n claim(): void /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n * @param type - Key type\n *\n * @returns Test result\n */\nfunction isSusceptibleToKeyboard(\n el: HTMLElement, type: string\n): boolean {\n switch (el.constructor) {\n\n /* Input elements */\n case HTMLInputElement:\n /* @ts-expect-error - omit unnecessary type cast */\n if (el.type === \"radio\")\n return /^Arrow/.test(type)\n else\n return true\n\n /* Select element and textarea */\n case HTMLSelectElement:\n case HTMLTextAreaElement:\n return true\n\n /* Everything else */\n default:\n return el.isContentEditable\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch keyboard\n *\n * @returns Keyboard observable\n */\nexport function watchKeyboard(): Observable {\n return fromEvent(window, \"keydown\")\n .pipe(\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\n map(ev => ({\n mode: getToggle(\"search\") ? \"search\" : \"global\",\n type: ev.key,\n claim() {\n ev.preventDefault()\n ev.stopPropagation()\n }\n } as Keyboard)),\n filter(({ mode, type }) => {\n if (mode === \"global\") {\n const active = getActiveElement()\n if (typeof active !== \"undefined\")\n return !isSusceptibleToKeyboard(active, type)\n }\n return true\n }),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function returns a `URL` object (and not `Location`) to normalize the\n * typings across the application. Furthermore, locations need to be tracked\n * without setting them and `Location` is a singleton which represents the\n * current location.\n *\n * @returns URL\n */\nexport function getLocation(): URL {\n return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * @param url - URL to change to\n */\nexport function setLocation(url: URL): void {\n location.href = url.href\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @returns Location subject\n */\nexport function watchLocation(): Subject {\n return new Subject()\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child =\n | HTMLElement\n | Text\n | string\n | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(el: HTMLElement, child: Child | Child[]): void {\n\n /* Handle primitive types (including raw HTML) */\n if (typeof child === \"string\" || typeof child === \"number\") {\n el.innerHTML += child.toString()\n\n /* Handle nodes */\n } else if (child instanceof Node) {\n el.appendChild(child)\n\n /* Handle nested children */\n } else if (Array.isArray(child)) {\n for (const node of child)\n appendChild(el, node)\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @template T - Element type\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @returns Element\n */\nexport function h(\n tag: T, attributes?: Attributes | null, ...children: Child[]\n): HTMLElementTagNameMap[T]\n\nexport function h(\n tag: string, attributes?: Attributes | null, ...children: Child[]\n): T\n\nexport function h(\n tag: string, attributes?: Attributes | null, ...children: Child[]\n): T {\n const el = document.createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of Object.keys(attributes)) {\n if (typeof attributes[attr] === \"undefined\")\n continue\n\n /* Set default attribute or boolean */\n if (typeof attributes[attr] !== \"boolean\")\n el.setAttribute(attr, attributes[attr])\n else\n el.setAttribute(attr, \"\")\n }\n\n /* Append child nodes */\n for (const child of children)\n appendChild(el, child)\n\n /* Return element */\n return el as T\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n namespace JSX {\n type Element = HTMLElement\n type IntrinsicElements = JSXInternal.IntrinsicElements\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Truncate a string after the given number of characters\n *\n * This is not a very reasonable approach, since the summaries kind of suck.\n * It would be better to create something more intelligent, highlighting the\n * search occurrences and making a better summary out of it, but this note was\n * written three years ago, so who knows if we'll ever fix it.\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @returns Truncated value\n */\nexport function truncate(value: string, n: number): string {\n let i = n\n if (value.length > i) {\n while (value[i] !== \" \" && --i > 0) { /* keep eating */ }\n return `${value.substring(0, i)}...`\n }\n return value\n}\n\n/**\n * Round a number for display with repository facts\n *\n * This is a reverse-engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @returns Rounded value\n */\nexport function round(value: number): string {\n if (value > 999) {\n const digits = +((value - 950) % 1000 > 99)\n return `${((value + 0.000001) / 1000).toFixed(digits)}k`\n } else {\n return value.toString()\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n filter,\n fromEvent,\n map,\n shareReplay,\n startWith\n} from \"rxjs\"\n\nimport { getOptionalElement } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @returns Location hash\n */\nexport function getLocationHash(): string {\n return location.hash.substring(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n const el = h(\"a\", { href: hash })\n el.addEventListener(\"click\", ev => ev.stopPropagation())\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @returns Location hash observable\n */\nexport function watchLocationHash(): Observable {\n return fromEvent(window, \"hashchange\")\n .pipe(\n map(getLocationHash),\n startWith(getLocationHash()),\n filter(hash => hash.length > 0),\n shareReplay(1)\n )\n}\n\n/**\n * Watch location target\n *\n * @returns Location target observable\n */\nexport function watchLocationTarget(): Observable {\n return watchLocationHash()\n .pipe(\n map(id => getOptionalElement(`[id=\"${id}\"]`)!),\n filter(el => typeof el !== \"undefined\")\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n fromEvent,\n fromEventPattern,\n map,\n merge,\n startWith,\n switchMap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * Note that although `MediaQueryList.addListener` is deprecated we have to\n * use it, because it's the only way to ensure proper downward compatibility.\n *\n * @see https://bit.ly/3dUBH2m - GitHub issue\n *\n * @param query - Media query\n *\n * @returns Media observable\n */\nexport function watchMedia(query: string): Observable {\n const media = matchMedia(query)\n return fromEventPattern(next => (\n media.addListener(() => next(media.matches))\n ))\n .pipe(\n startWith(media.matches)\n )\n}\n\n/**\n * Watch print mode\n *\n * @returns Print observable\n */\nexport function watchPrint(): Observable {\n const media = matchMedia(\"print\")\n return merge(\n fromEvent(window, \"beforeprint\").pipe(map(() => true)),\n fromEvent(window, \"afterprint\").pipe(map(() => false))\n )\n .pipe(\n startWith(media.matches)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Toggle an observable with a media observable\n *\n * @template T - Data type\n *\n * @param query$ - Media observable\n * @param factory - Observable factory\n *\n * @returns Toggled observable\n */\nexport function at(\n query$: Observable, factory: () => Observable\n): Observable {\n return query$\n .pipe(\n switchMap(active => active ? factory() : EMPTY)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n catchError,\n from,\n map,\n of,\n shareReplay,\n switchMap,\n throwError\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the given URL\n *\n * If the request fails (e.g. when dispatched from `file://` locations), the\n * observable will complete without emitting a value.\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Response observable\n */\nexport function request(\n url: URL | string, options: RequestInit = { credentials: \"same-origin\" }\n): Observable {\n return from(fetch(`${url}`, options))\n .pipe(\n catchError(() => EMPTY),\n switchMap(res => res.status !== 200\n ? throwError(() => new Error(res.statusText))\n : of(res)\n )\n )\n}\n\n/**\n * Fetch JSON from the given URL\n *\n * @template T - Data type\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestJSON(\n url: URL | string, options?: RequestInit\n): Observable {\n return request(url, options)\n .pipe(\n switchMap(res => res.json()),\n shareReplay(1)\n )\n}\n\n/**\n * Fetch XML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestXML(\n url: URL | string, options?: RequestInit\n): Observable {\n const dom = new DOMParser()\n return request(url, options)\n .pipe(\n switchMap(res => res.text()),\n map(res => dom.parseFromString(res, \"text/xml\")),\n shareReplay(1)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n defer,\n finalize,\n fromEvent,\n map,\n merge,\n switchMap,\n take,\n throwError\n} from \"rxjs\"\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create and load a `script` element\n *\n * This function returns an observable that will emit when the script was\n * successfully loaded, or throw an error if it didn't.\n *\n * @param src - Script URL\n *\n * @returns Script observable\n */\nexport function watchScript(src: string): Observable {\n const script = h(\"script\", { src })\n return defer(() => {\n document.head.appendChild(script)\n return merge(\n fromEvent(script, \"load\"),\n fromEvent(script, \"error\")\n .pipe(\n switchMap(() => (\n throwError(() => new ReferenceError(`Invalid script: ${src}`))\n ))\n )\n )\n .pipe(\n map(() => undefined),\n finalize(() => document.head.removeChild(script)),\n take(1)\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @returns Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n return {\n x: Math.max(0, scrollX),\n y: Math.max(0, scrollY)\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @returns Viewport offset observable\n */\nexport function watchViewportOffset(): Observable {\n return merge(\n fromEvent(window, \"scroll\", { passive: true }),\n fromEvent(window, \"resize\", { passive: true })\n )\n .pipe(\n map(getViewportOffset),\n startWith(getViewportOffset())\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n width: number /* Viewport width */\n height: number /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @returns Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n return {\n width: innerWidth,\n height: innerHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @returns Viewport size observable\n */\nexport function watchViewportSize(): Observable {\n return fromEvent(window, \"resize\", { passive: true })\n .pipe(\n map(getViewportSize),\n startWith(getViewportSize())\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n map,\n shareReplay\n} from \"rxjs\"\n\nimport {\n ViewportOffset,\n watchViewportOffset\n} from \"../offset\"\nimport {\n ViewportSize,\n watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n offset: ViewportOffset /* Viewport offset */\n size: ViewportSize /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @returns Viewport observable\n */\nexport function watchViewport(): Observable {\n return combineLatest([\n watchViewportOffset(),\n watchViewportSize()\n ])\n .pipe(\n map(([offset, size]) => ({ offset, size })),\n shareReplay(1)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n distinctUntilKeyChanged,\n map\n} from \"rxjs\"\n\nimport { Header } from \"~/components\"\n\nimport { getElementOffset } from \"../../element\"\nimport { Viewport } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
/* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @returns Viewport observable\n */\nexport function watchViewportAt(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n const size$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\")\n )\n\n /* Compute element offset */\n const offset$ = combineLatest([size$, header$])\n .pipe(\n map(() => getElementOffset(el))\n )\n\n /* Compute relative viewport, return hot observable */\n return combineLatest([header$, viewport$, offset$])\n .pipe(\n map(([{ height }, { offset, size }, { x, y }]) => ({\n offset: {\n x: offset.x - x,\n y: offset.y - y + height\n },\n size\n }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n fromEvent,\n map,\n share,\n switchMap,\n tap,\n throttle\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n type: unknown /* Message type */\n data?: unknown /* Message data */\n}\n\n/**\n * Worker handler\n *\n * @template T - Message type\n */\nexport interface WorkerHandler<\n T extends WorkerMessage\n> {\n tx$: Subject /* Message transmission subject */\n rx$: Observable /* Message receive observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n *\n * @template T - Worker message type\n */\ninterface WatchOptions {\n tx$: Observable /* Message transmission observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that sends all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n * @param options - Options\n *\n * @returns Worker message observable\n */\nexport function watchWorker(\n worker: Worker, { tx$ }: WatchOptions\n): Observable {\n\n /* Intercept messages from worker-like objects */\n const rx$ = fromEvent(worker, \"message\")\n .pipe(\n map(({ data }) => data as T)\n )\n\n /* Send and receive messages, return hot observable */\n return tx$\n .pipe(\n throttle(() => rx$, { leading: true, trailing: true }),\n tap(message => worker.postMessage(message)),\n switchMap(() => rx$),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getLocation } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flag\n */\nexport type Flag =\n | \"announce.dismiss\" /* Dismissable announcement bar */\n | \"content.code.annotate\" /* Code annotations */\n | \"content.lazy\" /* Lazy content elements */\n | \"content.tabs.link\" /* Link content tabs */\n | \"header.autohide\" /* Hide header */\n | \"navigation.expand\" /* Automatic expansion */\n | \"navigation.indexes\" /* Section pages */\n | \"navigation.instant\" /* Instant loading */\n | \"navigation.sections\" /* Section navigation */\n | \"navigation.tabs\" /* Tabs navigation */\n | \"navigation.tabs.sticky\" /* Tabs navigation (sticky) */\n | \"navigation.top\" /* Back-to-top button */\n | \"navigation.tracking\" /* Anchor tracking */\n | \"search.highlight\" /* Search highlighting */\n | \"search.share\" /* Search sharing */\n | \"search.suggest\" /* Search suggestions */\n | \"toc.follow\" /* Following table of contents */\n | \"toc.integrate\" /* Integrated table of contents */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Translation\n */\nexport type Translation =\n | \"clipboard.copy\" /* Copy to clipboard */\n | \"clipboard.copied\" /* Copied to clipboard */\n | \"search.config.lang\" /* Search language */\n | \"search.config.pipeline\" /* Search pipeline */\n | \"search.config.separator\" /* Search separator */\n | \"search.placeholder\" /* Search */\n | \"search.result.placeholder\" /* Type to start searching */\n | \"search.result.none\" /* No matching documents */\n | \"search.result.one\" /* 1 matching document */\n | \"search.result.other\" /* # matching documents */\n | \"search.result.more.one\" /* 1 more on this page */\n | \"search.result.more.other\" /* # more on this page */\n | \"search.result.term.missing\" /* Missing */\n | \"select.version.title\" /* Version selector */\n\n/**\n * Translations\n */\nexport type Translations = Record\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Versioning\n */\nexport interface Versioning {\n provider: \"mike\" /* Version provider */\n default?: string /* Default version */\n}\n\n/**\n * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n features: Flag[] /* Feature flags */\n translations: Translations /* Translations */\n search: string /* Search worker URL */\n tags?: Record /* Tags mapping */\n version?: Versioning /* Versioning */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration and make base URL absolute\n */\nconst script = getElement(\"#__config\")\nconst config: Config = JSON.parse(script.textContent!)\nconfig.base = `${new URL(config.base, getLocation())}`\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration\n *\n * @returns Global configuration\n */\nexport function configuration(): Config {\n return config\n}\n\n/**\n * Check whether a feature flag is enabled\n *\n * @param flag - Feature flag\n *\n * @returns Test result\n */\nexport function feature(flag: Flag): boolean {\n return config.features.includes(flag)\n}\n\n/**\n * Retrieve the translation for the given key\n *\n * @param key - Key to be translated\n * @param value - Positional value, if any\n *\n * @returns Translation\n */\nexport function translation(\n key: Translation, value?: string | number\n): string {\n return typeof value !== \"undefined\"\n ? config.translations[key].replace(\"#\", value.toString())\n : config.translations[key]\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type\n */\nexport type ComponentType =\n | \"announce\" /* Announcement bar */\n | \"container\" /* Container */\n | \"consent\" /* Consent */\n | \"content\" /* Content */\n | \"dialog\" /* Dialog */\n | \"header\" /* Header */\n | \"header-title\" /* Header title */\n | \"header-topic\" /* Header topic */\n | \"main\" /* Main area */\n | \"outdated\" /* Version warning */\n | \"palette\" /* Color palette */\n | \"search\" /* Search */\n | \"search-query\" /* Search input */\n | \"search-result\" /* Search results */\n | \"search-share\" /* Search sharing */\n | \"search-suggest\" /* Search suggestions */\n | \"sidebar\" /* Sidebar */\n | \"skip\" /* Skip link */\n | \"source\" /* Repository information */\n | \"tabs\" /* Navigation tabs */\n | \"toc\" /* Table of contents */\n | \"top\" /* Back-to-top button */\n\n/**\n * Component\n *\n * @template T - Component type\n * @template U - Reference type\n */\nexport type Component<\n T extends {} = {},\n U extends HTMLElement = HTMLElement\n> =\n T & {\n ref: U /* Component reference */\n }\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type map\n */\ninterface ComponentTypeMap {\n \"announce\": HTMLElement /* Announcement bar */\n \"container\": HTMLElement /* Container */\n \"consent\": HTMLElement /* Consent */\n \"content\": HTMLElement /* Content */\n \"dialog\": HTMLElement /* Dialog */\n \"header\": HTMLElement /* Header */\n \"header-title\": HTMLElement /* Header title */\n \"header-topic\": HTMLElement /* Header topic */\n \"main\": HTMLElement /* Main area */\n \"outdated\": HTMLElement /* Version warning */\n \"palette\": HTMLElement /* Color palette */\n \"search\": HTMLElement /* Search */\n \"search-query\": HTMLInputElement /* Search input */\n \"search-result\": HTMLElement /* Search results */\n \"search-share\": HTMLAnchorElement /* Search sharing */\n \"search-suggest\": HTMLElement /* Search suggestions */\n \"sidebar\": HTMLElement /* Sidebar */\n \"skip\": HTMLAnchorElement /* Skip link */\n \"source\": HTMLAnchorElement /* Repository information */\n \"tabs\": HTMLElement /* Navigation tabs */\n \"toc\": HTMLElement /* Table of contents */\n \"top\": HTMLAnchorElement /* Back-to-top button */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the element for a given component or throw a reference error\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getComponentElement(\n type: T, node: ParentNode = document\n): ComponentTypeMap[T] {\n return getElement(`[data-md-component=${type}]`, node)\n}\n\n/**\n * Retrieve all elements for a given component\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getComponentElements(\n type: T, node: ParentNode = document\n): ComponentTypeMap[T][] {\n return getElements(`[data-md-component=${type}]`, node)\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n finalize,\n fromEvent,\n map,\n startWith,\n tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Announcement bar\n */\nexport interface Announce {\n hash: number /* Content hash */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar observable\n */\nexport function watchAnnounce(\n el: HTMLElement\n): Observable {\n const button = getElement(\".md-typeset > :first-child\", el)\n return fromEvent(button, \"click\", { once: true })\n .pipe(\n map(() => getElement(\".md-typeset\", el)),\n map(content => ({ hash: __md_hash(content.innerHTML) }))\n )\n}\n\n/**\n * Mount announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar component observable\n */\nexport function mountAnnounce(\n el: HTMLElement\n): Observable> {\n if (!feature(\"announce.dismiss\") || !el.childElementCount)\n return EMPTY\n\n /* Mount component on subscription */\n return defer(() => {\n const push$ = new Subject()\n push$\n .pipe(\n startWith({ hash: __md_get(\"__announce\") })\n )\n .subscribe(({ hash }) => {\n if (hash && hash === (__md_get(\"__announce\") ?? hash)) {\n el.hidden = true\n\n /* Persist preference in local storage */\n __md_set(\"__announce\", hash)\n }\n })\n\n /* Create and return component */\n return watchAnnounce(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n finalize,\n map,\n tap\n} from \"rxjs\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Consent\n */\nexport interface Consent {\n hidden: boolean /* Consent is hidden */\n}\n\n/**\n * Consent defaults\n */\nexport interface ConsentDefaults {\n analytics?: boolean /* Consent for Analytics */\n github?: boolean /* Consent for GitHub */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n target$: Observable /* Target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent observable\n */\nexport function watchConsent(\n el: HTMLElement, { target$ }: WatchOptions\n): Observable {\n return target$\n .pipe(\n map(target => ({ hidden: target !== el }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent component observable\n */\nexport function mountConsent(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$.subscribe(({ hidden }) => {\n el.hidden = hidden\n })\n\n /* Create and return component */\n return watchConsent(el, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n finalize,\n map,\n mergeWith,\n switchMap,\n take,\n tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n getElementContentSize,\n watchElementSize,\n watchElementVisibility\n} from \"~/browser\"\nimport { renderClipboardButton } from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n Annotation,\n mountAnnotationList\n} from \"../../annotation\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Code block\n */\nexport interface CodeBlock {\n scrollable: boolean /* Code block overflows */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for code blocks\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find candidate list element directly following a code block\n *\n * @param el - Code block element\n *\n * @returns List element or nothing\n */\nfunction findCandidateList(el: HTMLElement): HTMLElement | undefined {\n if (el.nextElementSibling) {\n const sibling = el.nextElementSibling as HTMLElement\n if (sibling.tagName === \"OL\")\n return sibling\n\n /* Skip empty paragraphs - see https://bit.ly/3r4ZJ2O */\n else if (sibling.tagName === \"P\" && !sibling.children.length)\n return findCandidateList(sibling)\n }\n\n /* Everything else */\n return undefined\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch code block\n *\n * This function monitors size changes of the viewport, as well as switches of\n * content tabs with embedded code blocks, as both may trigger overflow.\n *\n * @param el - Code block element\n *\n * @returns Code block observable\n */\nexport function watchCodeBlock(\n el: HTMLElement\n): Observable {\n return watchElementSize(el)\n .pipe(\n map(({ width }) => {\n const content = getElementContentSize(el)\n return {\n scrollable: content.width > width\n }\n }),\n distinctUntilKeyChanged(\"scrollable\")\n )\n}\n\n/**\n * Mount code block\n *\n * This function ensures that an overflowing code block is focusable through\n * keyboard, so it can be scrolled without a mouse to improve on accessibility.\n * Furthermore, if code annotations are enabled, they are mounted if and only\n * if the code block is currently visible, e.g., not in a hidden content tab.\n *\n * Note that code blocks may be mounted eagerly or lazily. If they're mounted\n * lazily (on first visibility), code annotation anchor links will not work,\n * as they are evaluated on initial page load, and code annotations in general\n * might feel a little bumpier.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block and annotation component observable\n */\nexport function mountCodeBlock(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const { matches: hover } = matchMedia(\"(hover)\")\n\n /* Defer mounting of code block - see https://bit.ly/3vHVoVD */\n const factory$ = defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ scrollable }) => {\n if (scrollable && hover)\n el.setAttribute(\"tabindex\", \"0\")\n else\n el.removeAttribute(\"tabindex\")\n })\n\n /* Render button for Clipboard.js integration */\n if (ClipboardJS.isSupported()) {\n const parent = el.closest(\"pre\")!\n parent.id = `__code_${++sequence}`\n parent.insertBefore(\n renderClipboardButton(parent.id),\n el\n )\n }\n\n /* Handle code annotations */\n const container = el.closest(\".highlight\")\n if (container instanceof HTMLElement) {\n const list = findCandidateList(container)\n\n /* Mount code annotations, if enabled */\n if (typeof list !== \"undefined\" && (\n container.classList.contains(\"annotate\") ||\n feature(\"content.code.annotate\")\n )) {\n const annotations$ = mountAnnotationList(list, el, options)\n\n /* Create and return component */\n return watchCodeBlock(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state })),\n mergeWith(\n watchElementSize(container)\n .pipe(\n map(({ width, height }) => width && height),\n distinctUntilChanged(),\n switchMap(active => active ? annotations$ : EMPTY)\n )\n )\n )\n }\n }\n\n /* Create and return component */\n return watchCodeBlock(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n\n /* Mount code block lazily */\n if (feature(\"content.lazy\"))\n return watchElementVisibility(el)\n .pipe(\n filter(visible => visible),\n take(1),\n switchMap(() => factory$)\n )\n\n /* Mount code block */\n return factory$\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a tooltip\n *\n * @param id - Tooltip identifier\n *\n * @returns Element\n */\nexport function renderTooltip(id?: string): HTMLElement {\n return (\n
\n
\n
\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\nimport { renderTooltip } from \"../tooltip\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render an annotation\n *\n * @param id - Annotation identifier\n * @param prefix - Tooltip identifier prefix\n *\n * @returns Element\n */\nexport function renderAnnotation(\n id: string | number, prefix?: string\n): HTMLElement {\n prefix = prefix ? `${prefix}_annotation_${id}` : undefined\n\n /* Render tooltip with anchor, if given */\n if (prefix) {\n const anchor = prefix ? `#${prefix}` : undefined\n return (\n \n )\n } else {\n return (\n \n )\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @returns Element\n */\nexport function renderClipboardButton(id: string): HTMLElement {\n return (\n code`}\n >\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ComponentChild } from \"preact\"\n\nimport { configuration, feature, translation } from \"~/_\"\nimport {\n SearchDocument,\n SearchMetadata,\n SearchResultItem\n} from \"~/integrations/search\"\nimport { h, truncate } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Render flag\n */\nconst enum Flag {\n TEASER = 1, /* Render teaser */\n PARENT = 2 /* Render as parent */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper function\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search document\n *\n * @param document - Search document\n * @param flag - Render flags\n *\n * @returns Element\n */\nfunction renderSearchDocument(\n document: SearchDocument & SearchMetadata, flag: Flag\n): HTMLElement {\n const parent = flag & Flag.PARENT\n const teaser = flag & Flag.TEASER\n\n /* Render missing query terms */\n const missing = Object.keys(document.terms)\n .filter(key => !document.terms[key])\n .reduce((list, key) => [\n ...list, {key}, \" \"\n ], [])\n .slice(0, -1)\n\n /* Assemble query string for highlighting */\n const url = new URL(document.location)\n if (feature(\"search.highlight\"))\n url.searchParams.set(\"h\", Object.entries(document.terms)\n .filter(([, match]) => match)\n .reduce((highlight, [value]) => `${highlight} ${value}`.trim(), \"\")\n )\n\n /* Render article or section, depending on flags */\n const { tags } = configuration()\n return (\n \n \n {parent > 0 &&
}\n

{document.title}

\n {teaser > 0 && document.text.length > 0 &&\n

\n {truncate(document.text, 320)}\n

\n }\n {document.tags && (\n
\n {document.tags.map(tag => {\n const id = tag.replace(/<[^>]+>/g, \"\")\n const type = tags\n ? id in tags\n ? `md-tag-icon md-tag-icon--${tags[id]}`\n : \"md-tag-icon\"\n : \"\"\n return (\n {tag}\n )\n })}\n
\n )}\n {teaser > 0 && missing.length > 0 &&\n

\n {translation(\"search.result.term.missing\")}: {...missing}\n

\n }\n \n \n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @returns Element\n */\nexport function renderSearchResultItem(\n result: SearchResultItem\n): HTMLElement {\n const threshold = result[0].score\n const docs = [...result]\n\n /* Find and extract parent article */\n const parent = docs.findIndex(doc => !doc.location.includes(\"#\"))\n const [article] = docs.splice(parent, 1)\n\n /* Determine last index above threshold */\n let index = docs.findIndex(doc => doc.score < threshold)\n if (index === -1)\n index = docs.length\n\n /* Partition sections */\n const best = docs.slice(0, index)\n const more = docs.slice(index)\n\n /* Render children */\n const children = [\n renderSearchDocument(article, Flag.PARENT | +(!parent && index === 0)),\n ...best.map(section => renderSearchDocument(section, Flag.TEASER)),\n ...more.length ? [\n
\n \n {more.length > 0 && more.length === 1\n ? translation(\"search.result.more.one\")\n : translation(\"search.result.more.other\", more.length)\n }\n \n {...more.map(section => renderSearchDocument(section, Flag.TEASER))}\n
\n ] : []\n ]\n\n /* Render search result */\n return (\n
  • \n {children}\n
    • \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"~/components\"\nimport { h, round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render repository facts\n *\n * @param facts - Repository facts\n *\n * @returns Element\n */\nexport function renderSourceFacts(facts: SourceFacts): HTMLElement {\n return (\n
      \n {Object.entries(facts).map(([key, value]) => (\n
    • \n {typeof value === \"number\" ? round(value) : value}\n
      • \n ))}\n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabbed control type\n */\ntype TabbedControlType =\n | \"prev\"\n | \"next\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render control for content tabs\n *\n * @param type - Control type\n *\n * @returns Element\n */\nexport function renderTabbedControl(\n type: TabbedControlType\n): HTMLElement {\n const classes = `tabbed-control tabbed-control--${type}`\n return (\n \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @returns Element\n */\nexport function renderTable(table: HTMLElement): HTMLElement {\n return (\n
    \n
    \n {table}\n
    \n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration, translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Version\n */\nexport interface Version {\n version: string /* Version identifier */\n title: string /* Version title */\n aliases: string[] /* Version aliases */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version\n *\n * @param version - Version\n *\n * @returns Element\n */\nfunction renderVersion(version: Version): HTMLElement {\n const config = configuration()\n\n /* Ensure trailing slash - see https://bit.ly/3rL5u3f */\n const url = new URL(`../${version.version}/`, config.base)\n return (\n
  • \n \n {version.title}\n \n
    • \n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version selector\n *\n * @param versions - Versions\n * @param active - Active version\n *\n * @returns Element\n */\nexport function renderVersionSelector(\n versions: Version[], active: Version\n): HTMLElement {\n return (\n
    \n \n {active.title}\n \n
      \n {versions.map(renderVersion)}\n
    \n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n auditTime,\n combineLatest,\n debounceTime,\n defer,\n delay,\n filter,\n finalize,\n fromEvent,\n map,\n merge,\n switchMap,\n take,\n takeLast,\n takeUntil,\n tap,\n throttleTime,\n withLatestFrom\n} from \"rxjs\"\n\nimport {\n ElementOffset,\n getActiveElement,\n getElementSize,\n watchElementContentOffset,\n watchElementFocus,\n watchElementOffset,\n watchElementVisibility\n} from \"~/browser\"\n\nimport { Component } from \"../../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Annotation\n */\nexport interface Annotation {\n active: boolean /* Annotation is active */\n offset: ElementOffset /* Annotation offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n *\n * @returns Annotation observable\n */\nexport function watchAnnotation(\n el: HTMLElement, container: HTMLElement\n): Observable {\n const offset$ = defer(() => combineLatest([\n watchElementOffset(el),\n watchElementContentOffset(container)\n ]))\n .pipe(\n map(([{ x, y }, scroll]): ElementOffset => {\n const { width, height } = getElementSize(el)\n return ({\n x: x - scroll.x + width / 2,\n y: y - scroll.y + height / 2\n })\n })\n )\n\n /* Actively watch annotation on focus */\n return watchElementFocus(el)\n .pipe(\n switchMap(active => offset$\n .pipe(\n map(offset => ({ active, offset })),\n take(+!active || Infinity)\n )\n )\n )\n}\n\n/**\n * Mount annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotation(\n el: HTMLElement, container: HTMLElement, { target$ }: MountOptions\n): Observable> {\n const [tooltip, index] = Array.from(el.children)\n\n /* Mount component on subscription */\n return defer(() => {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n push$.subscribe({\n\n /* Handle emission */\n next({ offset }) {\n el.style.setProperty(\"--md-tooltip-x\", `${offset.x}px`)\n el.style.setProperty(\"--md-tooltip-y\", `${offset.y}px`)\n },\n\n /* Handle complete */\n complete() {\n el.style.removeProperty(\"--md-tooltip-x\")\n el.style.removeProperty(\"--md-tooltip-y\")\n }\n })\n\n /* Start animation only when annotation is visible */\n watchElementVisibility(el)\n .pipe(\n takeUntil(done$)\n )\n .subscribe(visible => {\n el.toggleAttribute(\"data-md-visible\", visible)\n })\n\n /* Toggle tooltip presence to mitigate empty lines when copying */\n merge(\n push$.pipe(filter(({ active }) => active)),\n push$.pipe(debounceTime(250), filter(({ active }) => !active))\n )\n .subscribe({\n\n /* Handle emission */\n next({ active }) {\n if (active)\n el.prepend(tooltip)\n else\n tooltip.remove()\n },\n\n /* Handle complete */\n complete() {\n el.prepend(tooltip)\n }\n })\n\n /* Toggle tooltip visibility */\n push$\n .pipe(\n auditTime(16, animationFrameScheduler)\n )\n .subscribe(({ active }) => {\n tooltip.classList.toggle(\"md-tooltip--active\", active)\n })\n\n /* Track relative origin of tooltip */\n push$\n .pipe(\n throttleTime(125, animationFrameScheduler),\n filter(() => !!el.offsetParent),\n map(() => el.offsetParent!.getBoundingClientRect()),\n map(({ x }) => x)\n )\n .subscribe({\n\n /* Handle emission */\n next(origin) {\n if (origin)\n el.style.setProperty(\"--md-tooltip-0\", `${-origin}px`)\n else\n el.style.removeProperty(\"--md-tooltip-0\")\n },\n\n /* Handle complete */\n complete() {\n el.style.removeProperty(\"--md-tooltip-0\")\n }\n })\n\n /* Allow to copy link without scrolling to anchor */\n fromEvent(index, \"click\")\n .pipe(\n takeUntil(done$),\n filter(ev => !(ev.metaKey || ev.ctrlKey))\n )\n .subscribe(ev => ev.preventDefault())\n\n /* Allow to open link in new tab or blur on close */\n fromEvent(index, \"mousedown\")\n .pipe(\n takeUntil(done$),\n withLatestFrom(push$)\n )\n .subscribe(([ev, { active }]) => {\n\n /* Open in new tab */\n if (ev.button !== 0 || ev.metaKey || ev.ctrlKey) {\n ev.preventDefault()\n\n /* Close annotation */\n } else if (active) {\n ev.preventDefault()\n\n /* Focus parent annotation, if any */\n const parent = el.parentElement!.closest(\".md-annotation\")\n if (parent instanceof HTMLElement)\n parent.focus()\n else\n getActiveElement()?.blur()\n }\n })\n\n /* Open and focus annotation on location target */\n target$\n .pipe(\n takeUntil(done$),\n filter(target => target === tooltip),\n delay(125)\n )\n .subscribe(() => el.focus())\n\n /* Create and return component */\n return watchAnnotation(el, container)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n finalize,\n merge,\n share,\n takeLast,\n takeUntil\n} from \"rxjs\"\n\nimport {\n getElement,\n getElements,\n getOptionalElement\n} from \"~/browser\"\nimport { renderAnnotation } from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n Annotation,\n mountAnnotation\n} from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find all annotation markers in the given code block\n *\n * @param container - Containing element\n *\n * @returns Annotation markers\n */\nfunction findAnnotationMarkers(container: HTMLElement): Text[] {\n const markers: Text[] = []\n for (const el of getElements(\".c, .c1, .cm\", container)) {\n const nodes: Text[] = []\n\n /* Find all text nodes in current element */\n const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n for (let node = it.nextNode(); node; node = it.nextNode())\n nodes.push(node as Text)\n\n /* Find all markers in each text node */\n for (let text of nodes) {\n let match: RegExpExecArray | null\n\n /* Split text at marker and add to list */\n while ((match = /(\\(\\d+\\))(!)?/.exec(text.textContent!))) {\n const [, id, force] = match\n if (typeof force === \"undefined\") {\n const marker = text.splitText(match.index)\n text = marker.splitText(id.length)\n markers.push(marker)\n\n /* Replace entire text with marker */\n } else {\n text.textContent = id\n markers.push(text)\n break\n }\n }\n }\n }\n return markers\n}\n\n/**\n * Swap the child nodes of two elements\n *\n * @param source - Source element\n * @param target - Target element\n */\nfunction swap(source: HTMLElement, target: HTMLElement): void {\n target.append(...Array.from(source.childNodes))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount annotation list\n *\n * This function analyzes the containing code block and checks for markers\n * referring to elements in the given annotation list. If no markers are found,\n * the list is left untouched. Otherwise, list elements are rendered as\n * annotations inside the code block.\n *\n * @param el - Annotation list element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotationList(\n el: HTMLElement, container: HTMLElement, { target$, print$ }: MountOptions\n): Observable> {\n\n /* Compute prefix for tooltip anchors */\n const parent = container.closest(\"[id]\")\n const prefix = parent?.id\n\n /* Find and replace all markers with empty annotations */\n const annotations = new Map()\n for (const marker of findAnnotationMarkers(container)) {\n const [, id] = marker.textContent!.match(/\\((\\d+)\\)/)!\n if (getOptionalElement(`li:nth-child(${id})`, el)) {\n annotations.set(id, renderAnnotation(id, prefix))\n marker.replaceWith(annotations.get(id)!)\n }\n }\n\n /* Keep list if there are no annotations to render */\n if (annotations.size === 0)\n return EMPTY\n\n /* Mount component on subscription */\n return defer(() => {\n const done$ = new Subject()\n\n /* Retrieve container pairs for swapping */\n const pairs: [HTMLElement, HTMLElement][] = []\n for (const [id, annotation] of annotations)\n pairs.push([\n getElement(\".md-typeset\", annotation),\n getElement(`li:nth-child(${id})`, el)\n ])\n\n /* Handle print mode - see https://bit.ly/3rgPdpt */\n print$\n .pipe(\n takeUntil(done$.pipe(takeLast(1)))\n )\n .subscribe(active => {\n el.hidden = !active\n\n /* Show annotations in code block or list (print) */\n for (const [inner, child] of pairs)\n if (!active)\n swap(child, inner)\n else\n swap(inner, child)\n })\n\n /* Create and return component */\n return merge(...[...annotations]\n .map(([, annotation]) => (\n mountAnnotation(annotation, container, { target$ })\n ))\n )\n .pipe(\n finalize(() => done$.complete()),\n share()\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n map,\n of,\n shareReplay,\n tap\n} from \"rxjs\"\n\nimport { watchScript } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../../_\"\n\nimport themeCSS from \"./index.css\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid diagram\n */\nexport interface Mermaid {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid instance observable\n */\nlet mermaid$: Observable\n\n/**\n * Global sequence number for diagrams\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch Mermaid script\n *\n * @returns Mermaid scripts observable\n */\nfunction fetchScripts(): Observable {\n return typeof mermaid === \"undefined\" || mermaid instanceof Element\n ? watchScript(\"https://unpkg.com/mermaid@9.1.7/dist/mermaid.min.js\")\n : of(undefined)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount Mermaid diagram\n *\n * @param el - Code block element\n *\n * @returns Mermaid diagram component observable\n */\nexport function mountMermaid(\n el: HTMLElement\n): Observable> {\n el.classList.remove(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n mermaid$ ||= fetchScripts()\n .pipe(\n tap(() => mermaid.initialize({\n startOnLoad: false,\n themeCSS,\n sequence: {\n actorFontSize: \"16px\", // Hack: mitigate https://bit.ly/3y0NEi3\n messageFontSize: \"16px\",\n noteFontSize: \"16px\"\n }\n })),\n map(() => undefined),\n shareReplay(1)\n )\n\n /* Render diagram */\n mermaid$.subscribe(() => {\n el.classList.add(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n const id = `__mermaid_${sequence++}`\n const host = h(\"div\", { class: \"mermaid\" })\n mermaid.mermaidAPI.render(id, el.textContent, (svg: string) => {\n\n /* Create a shadow root and inject diagram */\n const shadow = host.attachShadow({ mode: \"closed\" })\n shadow.innerHTML = svg\n\n /* Replace code block with diagram */\n el.replaceWith(host)\n })\n })\n\n /* Create and return component */\n return mermaid$\n .pipe(\n map(() => ({ ref: el }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n defer,\n filter,\n finalize,\n map,\n merge,\n tap\n} from \"rxjs\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Details\n */\nexport interface Details {\n action: \"open\" | \"close\" /* Details state */\n reveal?: boolean /* Details is revealed */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch details\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details observable\n */\nexport function watchDetails(\n el: HTMLDetailsElement, { target$, print$ }: WatchOptions\n): Observable
    {\n let open = true\n return merge(\n\n /* Open and focus details on location target */\n target$\n .pipe(\n map(target => target.closest(\"details:not([open])\")!),\n filter(details => el === details),\n map(() => ({\n action: \"open\", reveal: true\n }) as Details)\n ),\n\n /* Open details on print and close afterwards */\n print$\n .pipe(\n filter(active => active || !open),\n tap(() => open = el.open),\n map(active => ({\n action: active ? \"open\" : \"close\"\n }) as Details)\n )\n )\n}\n\n/**\n * Mount details\n *\n * This function ensures that `details` tags are opened on anchor jumps and\n * prior to printing, so the whole content of the page is visible.\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details component observable\n */\nexport function mountDetails(\n el: HTMLDetailsElement, options: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject
    ()\n push$.subscribe(({ action, reveal }) => {\n el.toggleAttribute(\"open\", action === \"open\")\n if (reveal)\n el.scrollIntoView()\n })\n\n /* Create and return component */\n return watchDetails(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, of } from \"rxjs\"\n\nimport { renderTable } from \"~/templates\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Data table\n */\nexport interface DataTable {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Sentinel for replacement\n */\nconst sentinel = h(\"table\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount data table\n *\n * This function wraps a data table in another scrollable container, so it can\n * be smoothly scrolled on smaller screen sizes and won't break the layout.\n *\n * @param el - Data table element\n *\n * @returns Data table component observable\n */\nexport function mountDataTable(\n el: HTMLElement\n): Observable> {\n el.replaceWith(sentinel)\n sentinel.replaceWith(renderTable(el))\n\n /* Create and return component */\n return of({ ref: el })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n asyncScheduler,\n auditTime,\n combineLatest,\n defer,\n finalize,\n fromEvent,\n map,\n merge,\n skip,\n startWith,\n subscribeOn,\n takeLast,\n takeUntil,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n getElement,\n getElementContentOffset,\n getElementContentSize,\n getElementOffset,\n getElementSize,\n getElements,\n watchElementContentOffset,\n watchElementSize\n} from \"~/browser\"\nimport { renderTabbedControl } from \"~/templates\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content tabs\n */\nexport interface ContentTabs {\n active: HTMLLabelElement /* Active tab label */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch content tabs\n *\n * @param el - Content tabs element\n *\n * @returns Content tabs observable\n */\nexport function watchContentTabs(\n el: HTMLElement\n): Observable {\n const inputs = getElements(\":scope > input\", el)\n const initial = inputs.find(input => input.checked) || inputs[0]\n return merge(...inputs.map(input => fromEvent(input, \"change\")\n .pipe(\n map(() => getElement(`label[for=\"${input.id}\"]`))\n )\n ))\n .pipe(\n startWith(getElement(`label[for=\"${initial.id}\"]`)),\n map(active => ({ active }))\n )\n}\n\n/**\n * Mount content tabs\n *\n * This function scrolls the active tab into view. While this functionality is\n * provided by browsers as part of `scrollInfoView`, browsers will always also\n * scroll the vertical axis, which we do not want. Thus, we decided to provide\n * this functionality ourselves.\n *\n * @param el - Content tabs element\n * @param options - Options\n *\n * @returns Content tabs component observable\n */\nexport function mountContentTabs(\n el: HTMLElement, { viewport$ }: MountOptions\n): Observable> {\n\n /* Render content tab previous button for pagination */\n const prev = renderTabbedControl(\"prev\")\n el.append(prev)\n\n /* Render content tab next button for pagination */\n const next = renderTabbedControl(\"next\")\n el.append(next)\n\n /* Mount component on subscription */\n const container = getElement(\".tabbed-labels\", el)\n return defer(() => {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n combineLatest([push$, watchElementSize(el)])\n .pipe(\n auditTime(1, animationFrameScheduler),\n takeUntil(done$)\n )\n .subscribe({\n\n /* Handle emission */\n next([{ active }, size]) {\n const offset = getElementOffset(active)\n const { width } = getElementSize(active)\n\n /* Set tab indicator offset and width */\n el.style.setProperty(\"--md-indicator-x\", `${offset.x}px`)\n el.style.setProperty(\"--md-indicator-width\", `${width}px`)\n\n /* Scroll container to active content tab */\n const content = getElementContentOffset(container)\n if (\n offset.x < content.x ||\n offset.x + width > content.x + size.width\n )\n container.scrollTo({\n left: Math.max(0, offset.x - 16),\n behavior: \"smooth\"\n })\n },\n\n /* Handle complete */\n complete() {\n el.style.removeProperty(\"--md-indicator-x\")\n el.style.removeProperty(\"--md-indicator-width\")\n }\n })\n\n /* Hide content tab buttons on borders */\n combineLatest([\n watchElementContentOffset(container),\n watchElementSize(container)\n ])\n .pipe(\n takeUntil(done$)\n )\n .subscribe(([offset, size]) => {\n const content = getElementContentSize(container)\n prev.hidden = offset.x < 16\n next.hidden = offset.x > content.width - size.width - 16\n })\n\n /* Paginate content tab container on click */\n merge(\n fromEvent(prev, \"click\").pipe(map(() => -1)),\n fromEvent(next, \"click\").pipe(map(() => +1))\n )\n .pipe(\n takeUntil(done$)\n )\n .subscribe(direction => {\n const { width } = getElementSize(container)\n container.scrollBy({\n left: width * direction,\n behavior: \"smooth\"\n })\n })\n\n /* Set up linking of content tabs, if enabled */\n if (feature(\"content.tabs.link\"))\n push$.pipe(\n skip(1),\n withLatestFrom(viewport$)\n )\n .subscribe(([{ active }, { offset }]) => {\n const tab = active.innerText.trim()\n if (active.hasAttribute(\"data-md-switching\")) {\n active.removeAttribute(\"data-md-switching\")\n\n /* Determine viewport offset of active tab */\n } else {\n const y = el.offsetTop - offset.y\n\n /* Passively activate other tabs */\n for (const set of getElements(\"[data-tabs]\"))\n for (const input of getElements(\n \":scope > input\", set\n )) {\n const label = getElement(`label[for=\"${input.id}\"]`)\n if (\n label !== active &&\n label.innerText.trim() === tab\n ) {\n label.setAttribute(\"data-md-switching\", \"\")\n input.click()\n break\n }\n }\n\n /* Bring active tab into view */\n window.scrollTo({\n top: el.offsetTop - y\n })\n\n /* Persist active tabs in local storage */\n const tabs = __md_get(\"__tabs\") || []\n __md_set(\"__tabs\", [...new Set([tab, ...tabs])])\n }\n })\n\n /* Create and return component */\n return watchContentTabs(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n .pipe(\n subscribeOn(asyncScheduler)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, merge } from \"rxjs\"\n\nimport { Viewport, getElements } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Annotation } from \"../annotation\"\nimport {\n CodeBlock,\n Mermaid,\n mountCodeBlock,\n mountMermaid\n} from \"../code\"\nimport {\n Details,\n mountDetails\n} from \"../details\"\nimport {\n DataTable,\n mountDataTable\n} from \"../table\"\nimport {\n ContentTabs,\n mountContentTabs\n} from \"../tabs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content\n */\nexport type Content =\n | Annotation\n | ContentTabs\n | CodeBlock\n | Mermaid\n | DataTable\n | Details\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount content\n *\n * This function mounts all components that are found in the content of the\n * actual article, including code blocks, data tables and details.\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Content component observable\n */\nexport function mountContent(\n el: HTMLElement, { viewport$, target$, print$ }: MountOptions\n): Observable> {\n return merge(\n\n /* Code blocks */\n ...getElements(\"pre:not(.mermaid) > code\", el)\n .map(child => mountCodeBlock(child, { target$, print$ })),\n\n /* Mermaid diagrams */\n ...getElements(\"pre.mermaid\", el)\n .map(child => mountMermaid(child)),\n\n /* Data tables */\n ...getElements(\"table:not([class])\", el)\n .map(child => mountDataTable(child)),\n\n /* Details */\n ...getElements(\"details\", el)\n .map(child => mountDetails(child, { target$, print$ })),\n\n /* Content tabs */\n ...getElements(\"[data-tabs]\", el)\n .map(child => mountContentTabs(child, { viewport$ }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n defer,\n delay,\n finalize,\n map,\n merge,\n of,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dialog\n */\nexport interface Dialog {\n message: string /* Dialog message */\n active: boolean /* Dialog is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n alert$: Subject /* Alert subject */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n alert$: Subject /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch dialog\n *\n * @param _el - Dialog element\n * @param options - Options\n *\n * @returns Dialog observable\n */\nexport function watchDialog(\n _el: HTMLElement, { alert$ }: WatchOptions\n): Observable {\n return alert$\n .pipe(\n switchMap(message => merge(\n of(true),\n of(false).pipe(delay(2000))\n )\n .pipe(\n map(active => ({ message, active }))\n )\n )\n )\n}\n\n/**\n * Mount dialog\n *\n * This function reveals the dialog in the right corner when a new alert is\n * emitted through the subject that is passed as part of the options.\n *\n * @param el - Dialog element\n * @param options - Options\n *\n * @returns Dialog component observable\n */\nexport function mountDialog(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const inner = getElement(\".md-typeset\", el)\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ message, active }) => {\n el.classList.toggle(\"md-dialog--active\", active)\n inner.textContent = message\n })\n\n /* Create and return component */\n return watchDialog(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n combineLatest,\n combineLatestWith,\n defer,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n map,\n of,\n shareReplay,\n startWith,\n switchMap,\n takeLast,\n takeUntil\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n watchElementSize,\n watchToggle\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Main } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n height: number /* Header visible height */\n hidden: boolean /* Header is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute whether the header is hidden\n *\n * If the user scrolls past a certain threshold, the header can be hidden when\n * scrolling down, and shown when scrolling up.\n *\n * @param options - Options\n *\n * @returns Toggle observable\n */\nfunction isHidden({ viewport$ }: WatchOptions): Observable {\n if (!feature(\"header.autohide\"))\n return of(false)\n\n /* Compute direction and turning point */\n const direction$ = viewport$\n .pipe(\n map(({ offset: { y } }) => y),\n bufferCount(2, 1),\n map(([a, b]) => [a < b, b] as const),\n distinctUntilKeyChanged(0)\n )\n\n /* Compute whether header should be hidden */\n const hidden$ = combineLatest([viewport$, direction$])\n .pipe(\n filter(([{ offset }, [, y]]) => Math.abs(y - offset.y) > 100),\n map(([, [direction]]) => direction),\n distinctUntilChanged()\n )\n\n /* Compute threshold for hiding */\n const search$ = watchToggle(\"search\")\n return combineLatest([viewport$, search$])\n .pipe(\n map(([{ offset }, search]) => offset.y > 400 && !search),\n distinctUntilChanged(),\n switchMap(active => active ? hidden$ : of(false)),\n startWith(false)\n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header observable\n */\nexport function watchHeader(\n el: HTMLElement, options: WatchOptions\n): Observable
    {\n return defer(() => combineLatest([\n watchElementSize(el),\n isHidden(options)\n ]))\n .pipe(\n map(([{ height }, hidden]) => ({\n height,\n hidden\n })),\n distinctUntilChanged((a, b) => (\n a.height === b.height &&\n a.hidden === b.hidden\n )),\n shareReplay(1)\n )\n}\n\n/**\n * Mount header\n *\n * This function manages the different states of the header, i.e. whether it's\n * hidden or rendered with a shadow. This depends heavily on the main area.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header component observable\n */\nexport function mountHeader(\n el: HTMLElement, { header$, main$ }: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject
    ()\n const done$ = push$.pipe(takeLast(1))\n push$\n .pipe(\n distinctUntilKeyChanged(\"active\"),\n combineLatestWith(header$)\n )\n .subscribe(([{ active }, { hidden }]) => {\n el.classList.toggle(\"md-header--shadow\", active && !hidden)\n el.hidden = hidden\n })\n\n /* Link to main area */\n main$.subscribe(push$)\n\n /* Create and return component */\n return header$\n .pipe(\n takeUntil(done$),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n distinctUntilKeyChanged,\n finalize,\n map,\n tap\n} from \"rxjs\"\n\nimport {\n Viewport,\n getElementSize,\n getOptionalElement,\n watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Header } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface HeaderTitle {\n active: boolean /* Header title is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header title\n *\n * @param el - Heading element\n * @param options - Options\n *\n * @returns Header title observable\n */\nexport function watchHeaderTitle(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n return watchViewportAt(el, { viewport$, header$ })\n .pipe(\n map(({ offset: { y } }) => {\n const { height } = getElementSize(el)\n return {\n active: y >= height\n }\n }),\n distinctUntilKeyChanged(\"active\")\n )\n}\n\n/**\n * Mount header title\n *\n * This function swaps the header title from the site title to the title of the\n * current page when the user scrolls past the first headline.\n *\n * @param el - Header title element\n * @param options - Options\n *\n * @returns Header title component observable\n */\nexport function mountHeaderTitle(\n el: HTMLElement, options: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ active }) => {\n el.classList.toggle(\"md-header__title--active\", active)\n })\n\n /* Obtain headline, if any */\n const heading = getOptionalElement(\"article h1\")\n if (typeof heading === \"undefined\")\n return EMPTY\n\n /* Create and return component */\n return watchHeaderTitle(heading, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n map,\n switchMap\n} from \"rxjs\"\n\nimport {\n Viewport,\n watchElementSize\n} from \"~/browser\"\n\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n offset: number /* Main area top offset */\n height: number /* Main area visible height */\n active: boolean /* Main area is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @returns Main area observable\n */\nexport function watchMain(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable
    {\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n map(({ height }) => height),\n distinctUntilChanged()\n )\n\n /* Compute the main area's top and bottom borders */\n const border$ = adjust$\n .pipe(\n switchMap(() => watchElementSize(el)\n .pipe(\n map(({ height }) => ({\n top: el.offsetTop,\n bottom: el.offsetTop + height\n })),\n distinctUntilKeyChanged(\"bottom\")\n )\n )\n )\n\n /* Compute the main area's offset, visible height and if we scrolled past */\n return combineLatest([adjust$, border$, viewport$])\n .pipe(\n map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n height = Math.max(0, height\n - Math.max(0, top - y, header)\n - Math.max(0, height + y - bottom)\n )\n return {\n offset: top - header,\n height,\n active: top - header <= y\n }\n }),\n distinctUntilChanged((a, b) => (\n a.offset === b.offset &&\n a.height === b.height &&\n a.active === b.active\n ))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n asyncScheduler,\n defer,\n finalize,\n fromEvent,\n map,\n mergeMap,\n observeOn,\n of,\n shareReplay,\n startWith,\n tap\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Palette colors\n */\nexport interface PaletteColor {\n scheme?: string /* Color scheme */\n primary?: string /* Primary color */\n accent?: string /* Accent color */\n}\n\n/**\n * Palette\n */\nexport interface Palette {\n index: number /* Palette index */\n color: PaletteColor /* Palette colors */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch color palette\n *\n * @param inputs - Color palette element\n *\n * @returns Color palette observable\n */\nexport function watchPalette(\n inputs: HTMLInputElement[]\n): Observable {\n const current = __md_get(\"__palette\") || {\n index: inputs.findIndex(input => matchMedia(\n input.getAttribute(\"data-md-color-media\")!\n ).matches)\n }\n\n /* Emit changes in color palette */\n return of(...inputs)\n .pipe(\n mergeMap(input => fromEvent(input, \"change\")\n .pipe(\n map(() => input)\n )\n ),\n startWith(inputs[Math.max(0, current.index)]),\n map(input => ({\n index: inputs.indexOf(input),\n color: {\n scheme: input.getAttribute(\"data-md-color-scheme\"),\n primary: input.getAttribute(\"data-md-color-primary\"),\n accent: input.getAttribute(\"data-md-color-accent\")\n }\n } as Palette)),\n shareReplay(1)\n )\n}\n\n/**\n * Mount color palette\n *\n * @param el - Color palette element\n *\n * @returns Color palette component observable\n */\nexport function mountPalette(\n el: HTMLElement\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(palette => {\n document.body.setAttribute(\"data-md-color-switching\", \"\")\n\n /* Set color palette */\n for (const [key, value] of Object.entries(palette.color))\n document.body.setAttribute(`data-md-color-${key}`, value)\n\n /* Toggle visibility */\n for (let index = 0; index < inputs.length; index++) {\n const label = inputs[index].nextElementSibling\n if (label instanceof HTMLElement)\n label.hidden = palette.index !== index\n }\n\n /* Persist preference in local storage */\n __md_set(\"__palette\", palette)\n })\n\n /* Revert transition durations after color switch */\n push$.pipe(observeOn(asyncScheduler))\n .subscribe(() => {\n document.body.removeAttribute(\"data-md-color-switching\")\n })\n\n /* Create and return component */\n const inputs = getElements(\"input\", el)\n return watchPalette(inputs)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n Observable,\n Subject,\n map,\n tap\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n alert$: Subject /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Extract text to copy\n *\n * @param el - HTML element\n *\n * @returns Extracted text\n */\nfunction extract(el: HTMLElement): string {\n el.setAttribute(\"data-md-copying\", \"\")\n const text = el.innerText\n el.removeAttribute(\"data-md-copying\")\n return text\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up Clipboard.js integration\n *\n * @param options - Options\n */\nexport function setupClipboardJS(\n { alert$ }: SetupOptions\n): void {\n if (ClipboardJS.isSupported()) {\n new Observable(subscriber => {\n new ClipboardJS(\"[data-clipboard-target], [data-clipboard-text]\", {\n text: el => (\n el.getAttribute(\"data-clipboard-text\")! ||\n extract(getElement(\n el.getAttribute(\"data-clipboard-target\")!\n ))\n )\n })\n .on(\"success\", ev => subscriber.next(ev))\n })\n .pipe(\n tap(ev => {\n const trigger = ev.trigger as HTMLElement\n trigger.focus()\n }),\n map(() => translation(\"clipboard.copied\"))\n )\n .subscribe(alert$)\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n catchError,\n defaultIfEmpty,\n map,\n of,\n tap\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport { getElements, requestXML } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sitemap, i.e. a list of URLs\n */\nexport type Sitemap = string[]\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Preprocess a list of URLs\n *\n * This function replaces the `site_url` in the sitemap with the actual base\n * URL, to allow instant loading to work in occasions like Netlify previews.\n *\n * @param urls - URLs\n *\n * @returns URL path parts\n */\nfunction preprocess(urls: Sitemap): Sitemap {\n if (urls.length < 2)\n return [\"\"]\n\n /* Take the first two URLs and remove everything after the last slash */\n const [root, next] = [...urls]\n .sort((a, b) => a.length - b.length)\n .map(url => url.replace(/[^/]+$/, \"\"))\n\n /* Compute common prefix */\n let index = 0\n if (root === next)\n index = root.length\n else\n while (root.charCodeAt(index) === next.charCodeAt(index))\n index++\n\n /* Remove common prefix and return in original order */\n return urls.map(url => url.replace(root.slice(0, index), \"\"))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the sitemap for the given base URL\n *\n * @param base - Base URL\n *\n * @returns Sitemap observable\n */\nexport function fetchSitemap(base?: URL): Observable {\n const cached = __md_get(\"__sitemap\", sessionStorage, base)\n if (cached) {\n return of(cached)\n } else {\n const config = configuration()\n return requestXML(new URL(\"sitemap.xml\", base || config.base))\n .pipe(\n map(sitemap => preprocess(getElements(\"loc\", sitemap)\n .map(node => node.textContent!)\n )),\n catchError(() => EMPTY), // @todo refactor instant loading\n defaultIfEmpty([]),\n tap(sitemap => __md_set(\"__sitemap\", sitemap, sessionStorage, base))\n )\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n bufferCount,\n catchError,\n concatMap,\n debounceTime,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n fromEvent,\n map,\n merge,\n of,\n sample,\n share,\n skip,\n skipUntil,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"~/_\"\nimport {\n Viewport,\n ViewportOffset,\n getElements,\n getOptionalElement,\n request,\n setLocation,\n setLocationHash\n} from \"~/browser\"\nimport { getComponentElement } from \"~/components\"\nimport { h } from \"~/utilities\"\n\nimport { fetchSitemap } from \"../sitemap\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * History state\n */\nexport interface HistoryState {\n url: URL /* State URL */\n offset?: ViewportOffset /* State viewport offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n document$: Subject /* Document subject */\n location$: Subject /* Location subject */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant loading\n *\n * When fetching, theoretically, we could use `responseType: \"document\"`, but\n * since all MkDocs links are relative, we need to make sure that the current\n * location matches the document we just loaded. Otherwise any relative links\n * in the document could use the old location.\n *\n * This is the reason why we need to synchronize history events and the process\n * of fetching the document for navigation changes (except `popstate` events):\n *\n * 1. Fetch document via `XMLHTTPRequest`\n * 2. Set new location via `history.pushState`\n * 3. Parse and emit fetched document\n *\n * For `popstate` events, we must not use `history.pushState`, or the forward\n * history will be irreversibly overwritten. In case the request fails, the\n * location change is dispatched regularly.\n *\n * @param options - Options\n */\nexport function setupInstantLoading(\n { document$, location$, viewport$ }: SetupOptions\n): void {\n const config = configuration()\n if (location.protocol === \"file:\")\n return\n\n /* Disable automatic scroll restoration */\n if (\"scrollRestoration\" in history) {\n history.scrollRestoration = \"manual\"\n\n /* Hack: ensure that reloads restore viewport offset */\n fromEvent(window, \"beforeunload\")\n .subscribe(() => {\n history.scrollRestoration = \"auto\"\n })\n }\n\n /* Hack: ensure absolute favicon link to omit 404s when switching */\n const favicon = getOptionalElement(\"link[rel=icon]\")\n if (typeof favicon !== \"undefined\")\n favicon.href = favicon.href\n\n /* Intercept internal navigation */\n const push$ = fetchSitemap()\n .pipe(\n map(paths => paths.map(path => `${new URL(path, config.base)}`)),\n switchMap(urls => fromEvent(document.body, \"click\")\n .pipe(\n filter(ev => !ev.metaKey && !ev.ctrlKey),\n switchMap(ev => {\n if (ev.target instanceof Element) {\n const el = ev.target.closest(\"a\")\n if (el && !el.target) {\n const url = new URL(el.href)\n\n /* Canonicalize URL */\n url.search = \"\"\n url.hash = \"\"\n\n /* Check if URL should be intercepted */\n if (\n url.pathname !== location.pathname &&\n urls.includes(url.toString())\n ) {\n ev.preventDefault()\n return of({\n url: new URL(el.href)\n })\n }\n }\n }\n return NEVER\n })\n )\n ),\n share()\n )\n\n /* Intercept history back and forward */\n const pop$ = fromEvent(window, \"popstate\")\n .pipe(\n filter(ev => ev.state !== null),\n map(ev => ({\n url: new URL(location.href),\n offset: ev.state\n })),\n share()\n )\n\n /* Emit location change */\n merge(push$, pop$)\n .pipe(\n distinctUntilChanged((a, b) => a.url.href === b.url.href),\n map(({ url }) => url)\n )\n .subscribe(location$)\n\n /* Fetch document via `XMLHTTPRequest` */\n const response$ = location$\n .pipe(\n distinctUntilKeyChanged(\"pathname\"),\n switchMap(url => request(url.href)\n .pipe(\n catchError(() => {\n setLocation(url)\n return NEVER\n })\n )\n ),\n share()\n )\n\n /* Set new location via `history.pushState` */\n push$\n .pipe(\n sample(response$)\n )\n .subscribe(({ url }) => {\n history.pushState({}, \"\", `${url}`)\n })\n\n /* Parse and emit fetched document */\n const dom = new DOMParser()\n response$\n .pipe(\n switchMap(res => res.text()),\n map(res => dom.parseFromString(res, \"text/html\"))\n )\n .subscribe(document$)\n\n /* Replace meta tags and components */\n document$\n .pipe(\n skip(1)\n )\n .subscribe(replacement => {\n for (const selector of [\n\n /* Meta tags */\n \"title\",\n \"link[rel=canonical]\",\n \"meta[name=author]\",\n \"meta[name=description]\",\n\n /* Components */\n \"[data-md-component=announce]\",\n \"[data-md-component=container]\",\n \"[data-md-component=header-topic]\",\n \"[data-md-component=outdated]\",\n \"[data-md-component=logo]\",\n \"[data-md-component=skip]\",\n ...feature(\"navigation.tabs.sticky\")\n ? [\"[data-md-component=tabs]\"]\n : []\n ]) {\n const source = getOptionalElement(selector)\n const target = getOptionalElement(selector, replacement)\n if (\n typeof source !== \"undefined\" &&\n typeof target !== \"undefined\"\n ) {\n source.replaceWith(target)\n }\n }\n })\n\n /* Re-evaluate scripts */\n document$\n .pipe(\n skip(1),\n map(() => getComponentElement(\"container\")),\n switchMap(el => getElements(\"script\", el)),\n concatMap(el => {\n const script = h(\"script\")\n if (el.src) {\n for (const name of el.getAttributeNames())\n script.setAttribute(name, el.getAttribute(name)!)\n el.replaceWith(script)\n\n /* Complete when script is loaded */\n return new Observable(observer => {\n script.onload = () => observer.complete()\n })\n\n /* Complete immediately */\n } else {\n script.textContent = el.textContent\n el.replaceWith(script)\n return EMPTY\n }\n })\n )\n .subscribe()\n\n /* Emit history state change */\n merge(push$, pop$)\n .pipe(\n sample(document$)\n )\n .subscribe(({ url, offset }) => {\n if (url.hash && !offset) {\n setLocationHash(url.hash)\n } else {\n window.scrollTo(0, offset?.y || 0)\n }\n })\n\n /* Debounce update of viewport offset */\n viewport$\n .pipe(\n skipUntil(push$),\n debounceTime(250),\n distinctUntilKeyChanged(\"offset\")\n )\n .subscribe(({ offset }) => {\n history.replaceState(offset, \"\")\n })\n\n /* Set viewport offset from history */\n merge(push$, pop$)\n .pipe(\n bufferCount(2, 1),\n filter(([a, b]) => a.url.pathname === b.url.pathname),\n map(([, state]) => state)\n )\n .subscribe(({ offset }) => {\n window.scrollTo(0, offset?.y || 0)\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n parent?: SearchIndexDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n const parents = new Set()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location, title and tags */\n const location = doc.location\n const title = doc.title\n const tags = doc.tags\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path)!\n\n /* Ignore first section, override article */\n if (!parents.has(parent)) {\n parent.title = doc.title\n parent.text = text\n\n /* Remember that we processed the article */\n parents.add(parent)\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n ...tags && { tags }\n })\n }\n }\n return documents\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexConfig } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n * @param escape - Whether to escape HTML\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig, escape: boolean\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (query: string) => {\n query = query\n .replace(/[\\s*+\\-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n query\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight string value */\n return value => (\n escape\n ? escapeHTML(value)\n : value\n )\n .replace(match, highlight)\n .replace(/<\\/mark>(\\s+)]*>/img, \"$1\")\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search transformation function\n *\n * @param value - Query value\n *\n * @returns Transformed query value\n */\nexport type SearchTransformFn = (value: string) => string\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * 1. Search for terms in quotation marks and prepend a `+` modifier to denote\n * that the resulting document must contain all terms, converting the query\n * to an `AND` query (as opposed to the default `OR` behavior). While users\n * may expect terms enclosed in quotation marks to map to span queries, i.e.\n * for which order is important, Lunr.js doesn't support them, so the best\n * we can do is to convert the terms to an `AND` query.\n *\n * 2. Replace control characters which are not located at the beginning of the\n * query or preceded by white space, or are not followed by a non-whitespace\n * character or are at the end of the query string. Furthermore, filter\n * unmatched quotation marks.\n *\n * 3. Trim excess whitespace from left and right.\n *\n * @param query - Query value\n *\n * @returns Transformed query value\n */\nexport function defaultTransform(query: string): string {\n return query\n .split(/\"([^\"]+)\"/g) /* => 1 */\n .map((terms, index) => index & 1\n ? terms.replace(/^\\b|^(?![^\\x00-\\x7F]|$)|\\s+/g, \" +\")\n : terms\n )\n .join(\"\")\n .replace(/\"|(?:^|\\s+)[*+\\-:^~]+(?=\\s+|$)/g, \"\") /* => 2 */\n .trim() /* => 3 */\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n READY, /* Search index ready */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndex /* Message data */\n}\n\n/**\n * Message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n type: SearchMessageType.READY /* Message type */\n}\n\n/**\n * Message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * Message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchReadyMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n message: SearchMessage\n): message is SearchReadyMessage {\n return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n ObservableInput,\n Subject,\n from,\n map,\n share\n} from \"rxjs\"\n\nimport { configuration, feature, translation } from \"~/_\"\nimport { WorkerHandler, watchWorker } from \"~/browser\"\n\nimport { SearchIndex } from \"../../_\"\nimport {\n SearchOptions,\n SearchPipeline\n} from \"../../options\"\nimport {\n SearchMessage,\n SearchMessageType,\n SearchSetupMessage,\n isSearchResultMessage\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search worker\n */\nexport type SearchWorker = WorkerHandler\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search index\n *\n * @param data - Search index\n *\n * @returns Search index\n */\nfunction setupSearchIndex({ config, docs }: SearchIndex): SearchIndex {\n\n /* Override default language with value from translation */\n if (config.lang.length === 1 && config.lang[0] === \"en\")\n config.lang = [\n translation(\"search.config.lang\")\n ]\n\n /* Override default separator with value from translation */\n if (config.separator === \"[\\\\s\\\\-]+\")\n config.separator = translation(\"search.config.separator\")\n\n /* Set pipeline from translation */\n const pipeline = translation(\"search.config.pipeline\")\n .split(/\\s*,\\s*/)\n .filter(Boolean) as SearchPipeline\n\n /* Determine search options */\n const options: SearchOptions = {\n pipeline,\n suggestions: feature(\"search.suggest\")\n }\n\n /* Return search index after defaulting */\n return { config, docs, options }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search worker\n *\n * This function creates a web worker to set up and query the search index,\n * which is done using Lunr.js. The index must be passed as an observable to\n * enable hacks like _localsearch_ via search index embedding as JSON.\n *\n * @param url - Worker URL\n * @param index - Search index observable input\n *\n * @returns Search worker\n */\nexport function setupSearchWorker(\n url: string, index: ObservableInput\n): SearchWorker {\n const config = configuration()\n const worker = new Worker(url)\n\n /* Create communication channels and resolve relative links */\n const tx$ = new Subject()\n const rx$ = watchWorker(worker, { tx$ })\n .pipe(\n map(message => {\n if (isSearchResultMessage(message)) {\n for (const result of message.data.items)\n for (const document of result)\n document.location = `${new URL(document.location, config.base)}`\n }\n return message\n }),\n share()\n )\n\n /* Set up search index */\n from(index)\n .pipe(\n map(data => ({\n type: SearchMessageType.SETUP,\n data: setupSearchIndex(data)\n } as SearchSetupMessage))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Return search worker */\n return { tx$, rx$ }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Subject,\n catchError,\n combineLatest,\n filter,\n fromEvent,\n map,\n of,\n switchMap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n getElement,\n getLocation,\n requestJSON,\n setLocation\n} from \"~/browser\"\nimport { getComponentElements } from \"~/components\"\nimport {\n Version,\n renderVersionSelector\n} from \"~/templates\"\n\nimport { fetchSitemap } from \"../sitemap\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n document$: Subject /* Document subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up version selector\n *\n * @param options - Options\n */\nexport function setupVersionSelector(\n { document$ }: SetupOptions\n): void {\n const config = configuration()\n const versions$ = requestJSON(\n new URL(\"../versions.json\", config.base)\n )\n .pipe(\n catchError(() => EMPTY) // @todo refactor instant loading\n )\n\n /* Determine current version */\n const current$ = versions$\n .pipe(\n map(versions => {\n const [, current] = config.base.match(/([^/]+)\\/?$/)!\n return versions.find(({ version, aliases }) => (\n version === current || aliases.includes(current)\n )) || versions[0]\n })\n )\n\n /* Intercept inter-version navigation */\n versions$\n .pipe(\n map(versions => new Map(versions.map(version => [\n `${new URL(`../${version.version}/`, config.base)}`,\n version\n ]))),\n switchMap(urls => fromEvent(document.body, \"click\")\n .pipe(\n filter(ev => !ev.metaKey && !ev.ctrlKey),\n withLatestFrom(current$),\n switchMap(([ev, current]) => {\n if (ev.target instanceof Element) {\n const el = ev.target.closest(\"a\")\n if (el && !el.target && urls.has(el.href)) {\n const url = el.href\n // This is a temporary hack to detect if a version inside the\n // version selector or on another part of the site was clicked.\n // If we're inside the version selector, we definitely want to\n // find the same page, as we might have different deployments\n // due to aliases. However, if we're outside the version\n // selector, we must abort here, because we might otherwise\n // interfere with instant loading. We need to refactor this\n // at some point together with instant loading.\n //\n // See https://github.com/squidfunk/mkdocs-material/issues/4012\n if (!ev.target.closest(\".md-version\")) {\n const version = urls.get(url)!\n if (version === current)\n return EMPTY\n }\n ev.preventDefault()\n return of(url)\n }\n }\n return EMPTY\n }),\n switchMap(url => {\n const { version } = urls.get(url)!\n return fetchSitemap(new URL(url))\n .pipe(\n map(sitemap => {\n const location = getLocation()\n const path = location.href.replace(config.base, \"\")\n return sitemap.includes(path.split(\"#\")[0])\n ? new URL(`../${version}/${path}`, config.base)\n : new URL(url)\n })\n )\n })\n )\n )\n )\n .subscribe(url => setLocation(url))\n\n /* Render version selector and warning */\n combineLatest([versions$, current$])\n .subscribe(([versions, current]) => {\n const topic = getElement(\".md-header__topic\")\n topic.appendChild(renderVersionSelector(versions, current))\n })\n\n /* Integrate outdated version banner with instant loading */\n document$.pipe(switchMap(() => current$))\n .subscribe(current => {\n\n /* Check if version state was already determined */\n let outdated = __md_get(\"__outdated\", sessionStorage)\n if (outdated === null) {\n const latest = config.version?.default || \"latest\"\n outdated = !current.aliases.includes(latest)\n\n /* Persist version state in session storage */\n __md_set(\"__outdated\", outdated, sessionStorage)\n }\n\n /* Unhide outdated version banner */\n if (outdated)\n for (const warning of getComponentElements(\"outdated\"))\n warning.hidden = false\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n combineLatest,\n delay,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n finalize,\n fromEvent,\n map,\n merge,\n share,\n shareReplay,\n startWith,\n take,\n takeLast,\n takeUntil,\n tap\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport {\n getLocation,\n setToggle,\n watchElementFocus,\n watchToggle\n} from \"~/browser\"\nimport {\n SearchMessageType,\n SearchQueryMessage,\n SearchWorker,\n defaultTransform,\n isSearchReadyMessage\n} from \"~/integrations\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n value: string /* Query value */\n focus: boolean /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { rx$ }: SearchWorker\n): Observable {\n const fn = __search?.transform || defaultTransform\n\n /* Immediately show search dialog */\n const { searchParams } = getLocation()\n if (searchParams.has(\"q\"))\n setToggle(\"search\", true)\n\n /* Intercept query parameter (deep link) */\n const param$ = rx$\n .pipe(\n filter(isSearchReadyMessage),\n take(1),\n map(() => searchParams.get(\"q\") || \"\")\n )\n\n /* Remove query parameter when search is closed */\n watchToggle(\"search\")\n .pipe(\n filter(active => !active),\n take(1)\n )\n .subscribe(() => {\n const url = new URL(location.href)\n url.searchParams.delete(\"q\")\n history.replaceState({}, \"\", `${url}`)\n })\n\n /* Set query from parameter */\n param$.subscribe(value => { // TODO: not ideal - find a better way\n if (value) {\n el.value = value\n el.focus()\n }\n })\n\n /* Intercept focus and input events */\n const focus$ = watchElementFocus(el)\n const value$ = merge(\n fromEvent(el, \"keyup\"),\n fromEvent(el, \"focus\").pipe(delay(1)),\n param$\n )\n .pipe(\n map(() => fn(el.value)),\n startWith(\"\"),\n distinctUntilChanged(),\n )\n\n /* Combine into single observable */\n return combineLatest([value$, focus$])\n .pipe(\n map(([value, focus]) => ({ value, focus })),\n shareReplay(1)\n )\n}\n\n/**\n * Mount search query\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query component observable\n */\nexport function mountSearchQuery(\n el: HTMLInputElement, { tx$, rx$ }: SearchWorker\n): Observable> {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n\n /* Handle value changes */\n push$\n .pipe(\n distinctUntilKeyChanged(\"value\"),\n map(({ value }): SearchQueryMessage => ({\n type: SearchMessageType.QUERY,\n data: value\n }))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Handle focus changes */\n push$\n .pipe(\n distinctUntilKeyChanged(\"focus\")\n )\n .subscribe(({ focus }) => {\n if (focus) {\n setToggle(\"search\", focus)\n el.placeholder = \"\"\n } else {\n el.placeholder = translation(\"search.placeholder\")\n }\n })\n\n /* Handle reset */\n fromEvent(el.form!, \"reset\")\n .pipe(\n takeUntil(done$)\n )\n .subscribe(() => el.focus())\n\n /* Create and return component */\n return watchSearchQuery(el, { tx$, rx$ })\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state })),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n filter,\n finalize,\n map,\n merge,\n of,\n skipUntil,\n switchMap,\n take,\n tap,\n withLatestFrom,\n zipWith\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport {\n getElement,\n watchElementBoundary\n} from \"~/browser\"\nimport {\n SearchResult,\n SearchWorker,\n isSearchReadyMessage,\n isSearchResultMessage\n} from \"~/integrations\"\nimport { renderSearchResultItem } from \"~/templates\"\nimport { round } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result list\n *\n * This function performs a lazy rendering of the search results, depending on\n * the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchResult(\n el: HTMLElement, { rx$ }: SearchWorker, { query$ }: MountOptions\n): Observable> {\n const push$ = new Subject()\n const boundary$ = watchElementBoundary(el.parentElement!)\n .pipe(\n filter(Boolean)\n )\n\n /* Retrieve nested components */\n const meta = getElement(\":scope > :first-child\", el)\n const list = getElement(\":scope > :last-child\", el)\n\n /* Wait until search is ready */\n const ready$ = rx$\n .pipe(\n filter(isSearchReadyMessage),\n take(1)\n )\n\n /* Update search result metadata */\n push$\n .pipe(\n withLatestFrom(query$),\n skipUntil(ready$)\n )\n .subscribe(([{ items }, { value }]) => {\n if (value) {\n switch (items.length) {\n\n /* No results */\n case 0:\n meta.textContent = translation(\"search.result.none\")\n break\n\n /* One result */\n case 1:\n meta.textContent = translation(\"search.result.one\")\n break\n\n /* Multiple result */\n default:\n meta.textContent = translation(\n \"search.result.other\",\n round(items.length)\n )\n }\n } else {\n meta.textContent = translation(\"search.result.placeholder\")\n }\n })\n\n /* Update search result list */\n push$\n .pipe(\n tap(() => list.innerHTML = \"\"),\n switchMap(({ items }) => merge(\n of(...items.slice(0, 10)),\n of(...items.slice(10))\n .pipe(\n bufferCount(4),\n zipWith(boundary$),\n switchMap(([chunk]) => chunk)\n )\n ))\n )\n .subscribe(result => list.appendChild(\n renderSearchResultItem(result)\n ))\n\n /* Filter search result message */\n const result$ = rx$\n .pipe(\n filter(isSearchResultMessage),\n map(({ data }) => data)\n )\n\n /* Create and return component */\n return result$\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n finalize,\n fromEvent,\n map,\n tap\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search sharing\n */\nexport interface SearchShare {\n url: URL /* Deep link for sharing */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n query$: Observable /* Search query observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search sharing\n *\n * @param _el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing observable\n */\nexport function watchSearchShare(\n _el: HTMLElement, { query$ }: WatchOptions\n): Observable {\n return query$\n .pipe(\n map(({ value }) => {\n const url = getLocation()\n url.hash = \"\"\n url.searchParams.delete(\"h\")\n url.searchParams.set(\"q\", value)\n return { url }\n })\n )\n}\n\n/**\n * Mount search sharing\n *\n * @param el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing component observable\n */\nexport function mountSearchShare(\n el: HTMLAnchorElement, options: MountOptions\n): Observable> {\n const push$ = new Subject()\n push$.subscribe(({ url }) => {\n el.setAttribute(\"data-clipboard-text\", el.href)\n el.href = `${url}`\n })\n\n /* Prevent following of link */\n fromEvent(el, \"click\")\n .subscribe(ev => ev.preventDefault())\n\n /* Create and return component */\n return watchSearchShare(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n asyncScheduler,\n combineLatestWith,\n distinctUntilChanged,\n filter,\n finalize,\n fromEvent,\n map,\n merge,\n observeOn,\n tap\n} from \"rxjs\"\n\nimport { Keyboard } from \"~/browser\"\nimport {\n SearchResult,\n SearchWorker,\n isSearchResultMessage\n} from \"~/integrations\"\n\nimport { Component, getComponentElement } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search suggestions\n */\nexport interface SearchSuggest {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n keyboard$: Observable /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search suggestions\n *\n * This function will perform a lazy rendering of the search results, depending\n * on the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchSuggest(\n el: HTMLElement, { rx$ }: SearchWorker, { keyboard$ }: MountOptions\n): Observable> {\n const push$ = new Subject()\n\n /* Retrieve query component and track all changes */\n const query = getComponentElement(\"search-query\")\n const query$ = merge(\n fromEvent(query, \"keydown\"),\n fromEvent(query, \"focus\")\n )\n .pipe(\n observeOn(asyncScheduler),\n map(() => query.value),\n distinctUntilChanged(),\n )\n\n /* Update search suggestions */\n push$\n .pipe(\n combineLatestWith(query$),\n map(([{ suggestions }, value]) => {\n const words = value.split(/([\\s-]+)/)\n if (suggestions?.length && words[words.length - 1]) {\n const last = suggestions[suggestions.length - 1]\n if (last.startsWith(words[words.length - 1]))\n words[words.length - 1] = last\n } else {\n words.length = 0\n }\n return words\n })\n )\n .subscribe(words => el.innerHTML = words\n .join(\"\")\n .replace(/\\s/g, \" \")\n )\n\n /* Set up search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Right arrow: accept current suggestion */\n case \"ArrowRight\":\n if (\n el.innerText.length &&\n query.selectionStart === query.value.length\n )\n query.value = el.innerText\n break\n }\n })\n\n /* Filter search result message */\n const result$ = rx$\n .pipe(\n filter(isSearchResultMessage),\n map(({ data }) => data)\n )\n\n /* Create and return component */\n return result$\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(() => ({ ref: el }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n NEVER,\n Observable,\n ObservableInput,\n filter,\n merge,\n mergeWith,\n sample,\n take\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n Keyboard,\n getActiveElement,\n getElements,\n setToggle\n} from \"~/browser\"\nimport {\n SearchIndex,\n SearchResult,\n isSearchQueryMessage,\n isSearchReadyMessage,\n setupSearchWorker\n} from \"~/integrations\"\n\nimport {\n Component,\n getComponentElement,\n getComponentElements\n} from \"../../_\"\nimport {\n SearchQuery,\n mountSearchQuery\n} from \"../query\"\nimport { mountSearchResult } from \"../result\"\nimport {\n SearchShare,\n mountSearchShare\n} from \"../share\"\nimport {\n SearchSuggest,\n mountSearchSuggest\n} from \"../suggest\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport type Search =\n | SearchQuery\n | SearchResult\n | SearchShare\n | SearchSuggest\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n index$: ObservableInput /* Search index observable */\n keyboard$: Observable /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search\n *\n * This function sets up the search functionality, including the underlying\n * web worker and all keyboard bindings.\n *\n * @param el - Search element\n * @param options - Options\n *\n * @returns Search component observable\n */\nexport function mountSearch(\n el: HTMLElement, { index$, keyboard$ }: MountOptions\n): Observable> {\n const config = configuration()\n try {\n const url = __search?.worker || config.search\n const worker = setupSearchWorker(url, index$)\n\n /* Retrieve query and result components */\n const query = getComponentElement(\"search-query\", el)\n const result = getComponentElement(\"search-result\", el)\n\n /* Re-emit query when search is ready */\n const { tx$, rx$ } = worker\n tx$\n .pipe(\n filter(isSearchQueryMessage),\n sample(rx$.pipe(filter(isSearchReadyMessage))),\n take(1)\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Set up search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\")\n )\n .subscribe(key => {\n const active = getActiveElement()\n switch (key.type) {\n\n /* Enter: go to first (best) result */\n case \"Enter\":\n if (active === query) {\n const anchors = new Map()\n for (const anchor of getElements(\n \":first-child [href]\", result\n )) {\n const article = anchor.firstElementChild!\n anchors.set(anchor, parseFloat(\n article.getAttribute(\"data-md-score\")!\n ))\n }\n\n /* Go to result with highest score, if any */\n if (anchors.size) {\n const [[best]] = [...anchors].sort(([, a], [, b]) => b - a)\n best.click()\n }\n\n /* Otherwise omit form submission */\n key.claim()\n }\n break\n\n /* Escape or Tab: close search */\n case \"Escape\":\n case \"Tab\":\n setToggle(\"search\", false)\n query.blur()\n break\n\n /* Vertical arrows: select previous or next search result */\n case \"ArrowUp\":\n case \"ArrowDown\":\n if (typeof active === \"undefined\") {\n query.focus()\n } else {\n const els = [query, ...getElements(\n \":not(details) > [href], summary, details[open] [href]\",\n result\n )]\n const i = Math.max(0, (\n Math.max(0, els.indexOf(active)) + els.length + (\n key.type === \"ArrowUp\" ? -1 : +1\n )\n ) % els.length)\n els[i].focus()\n }\n\n /* Prevent scrolling of page */\n key.claim()\n break\n\n /* All other keys: hand to search query */\n default:\n if (query !== getActiveElement())\n query.focus()\n }\n })\n\n /* Set up global keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\"),\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Open search and select query */\n case \"f\":\n case \"s\":\n case \"/\":\n query.focus()\n query.select()\n\n /* Prevent scrolling of page */\n key.claim()\n break\n }\n })\n\n /* Create and return component */\n const query$ = mountSearchQuery(query, worker)\n const result$ = mountSearchResult(result, worker, { query$ })\n return merge(query$, result$)\n .pipe(\n mergeWith(\n\n /* Search sharing */\n ...getComponentElements(\"search-share\", el)\n .map(child => mountSearchShare(child, { query$ })),\n\n /* Search suggestions */\n ...getComponentElements(\"search-suggest\", el)\n .map(child => mountSearchSuggest(child, worker, { keyboard$ }))\n )\n )\n\n /* Gracefully handle broken search */\n } catch (err) {\n el.hidden = true\n return NEVER\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n ObservableInput,\n combineLatest,\n filter,\n map,\n startWith\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\nimport {\n SearchIndex,\n setupSearchHighlighter\n} from \"~/integrations\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlighting\n */\nexport interface SearchHighlight {\n nodes: Map /* Map of replacements */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n index$: ObservableInput /* Search index observable */\n location$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search highlighting\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Search highlighting component observable\n */\nexport function mountSearchHiglight(\n el: HTMLElement, { index$, location$ }: MountOptions\n): Observable> {\n return combineLatest([\n index$,\n location$\n .pipe(\n startWith(getLocation()),\n filter(url => !!url.searchParams.get(\"h\"))\n )\n ])\n .pipe(\n map(([index, url]) => setupSearchHighlighter(index.config, true)(\n url.searchParams.get(\"h\")!\n )),\n map(fn => {\n const nodes = new Map()\n\n /* Traverse text nodes and collect matches */\n const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n for (let node = it.nextNode(); node; node = it.nextNode()) {\n if (node.parentElement?.offsetHeight) {\n const original = node.textContent!\n const replaced = fn(original)\n if (replaced.length > original.length)\n nodes.set(node as ChildNode, replaced)\n }\n }\n\n /* Replace original nodes with matches */\n for (const [node, text] of nodes) {\n const { childNodes } = h(\"span\", null, text)\n node.replaceWith(...Array.from(childNodes))\n }\n\n /* Return component */\n return { ref: el, nodes }\n })\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n auditTime,\n combineLatest,\n defer,\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n take,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport {\n Viewport,\n getElement,\n getElementContainer,\n getElementOffset,\n getElementSize,\n getElements\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n height: number /* Sidebar height */\n locked: boolean /* Sidebar is locked */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n main$: Observable
    /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar observable\n */\nexport function watchSidebar(\n el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable {\n const parent = el.parentElement!\n const adjust =\n parent.offsetTop -\n parent.parentElement!.offsetTop\n\n /* Compute the sidebar's available height and if it should be locked */\n return combineLatest([main$, viewport$])\n .pipe(\n map(([{ offset, height }, { offset: { y } }]) => {\n height = height\n + Math.min(adjust, Math.max(0, y - offset))\n - adjust\n return {\n height,\n locked: y >= offset + adjust\n }\n }),\n distinctUntilChanged((a, b) => (\n a.height === b.height &&\n a.locked === b.locked\n ))\n )\n}\n\n/**\n * Mount sidebar\n *\n * This function doesn't set the height of the actual sidebar, but of its first\n * child \u2013 the `.md-sidebar__scrollwrap` element in order to mitigiate jittery\n * sidebars when the footer is scrolled into view. At some point we switched\n * from `absolute` / `fixed` positioning to `sticky` positioning, significantly\n * reducing jitter in some browsers (respectively Firefox and Safari) when\n * scrolling from the top. However, top-aligned sticky positioning means that\n * the sidebar snaps to the bottom when the end of the container is reached.\n * This is what leads to the mentioned jitter, as the sidebar's height may be\n * updated too slowly.\n *\n * This behaviour can be mitigiated by setting the height of the sidebar to `0`\n * while preserving the padding, and the height on its first element.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar component observable\n */\nexport function mountSidebar(\n el: HTMLElement, { header$, ...options }: MountOptions\n): Observable> {\n const inner = getElement(\".md-sidebar__scrollwrap\", el)\n const { y } = getElementOffset(inner)\n return defer(() => {\n const push$ = new Subject()\n push$\n .pipe(\n auditTime(0, animationFrameScheduler),\n withLatestFrom(header$)\n )\n .subscribe({\n\n /* Handle emission */\n next([{ height }, { height: offset }]) {\n inner.style.height = `${height - 2 * y}px`\n el.style.top = `${offset}px`\n },\n\n /* Handle complete */\n complete() {\n inner.style.height = \"\"\n el.style.top = \"\"\n }\n })\n\n /* Bring active item into view on initial load */\n push$\n .pipe(\n observeOn(animationFrameScheduler),\n take(1)\n )\n .subscribe(() => {\n for (const item of getElements(\".md-nav__link--active[href]\", el)) {\n const container = getElementContainer(item)\n if (typeof container !== \"undefined\") {\n const offset = item.offsetTop - container.offsetTop\n const { height } = getElementSize(container)\n container.scrollTo({\n top: offset - height / 2\n })\n }\n }\n })\n\n /* Create and return component */\n return watchSidebar(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport {\n EMPTY,\n Observable,\n catchError,\n defaultIfEmpty,\n map,\n zip\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitHub release (partial)\n */\ninterface Release {\n tag_name: string /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub repository facts\n *\n * @param user - GitHub user or organization\n * @param repo - GitHub repository\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n user: string, repo?: string\n): Observable {\n if (typeof repo !== \"undefined\") {\n const url = `https://api.github.com/repos/${user}/${repo}`\n return zip(\n\n /* Fetch version */\n requestJSON(`${url}/releases/latest`)\n .pipe(\n catchError(() => EMPTY), // @todo refactor instant loading\n map(release => ({\n version: release.tag_name\n })),\n defaultIfEmpty({})\n ),\n\n /* Fetch stars and forks */\n requestJSON(url)\n .pipe(\n catchError(() => EMPTY), // @todo refactor instant loading\n map(info => ({\n stars: info.stargazers_count,\n forks: info.forks_count\n })),\n defaultIfEmpty({})\n )\n )\n .pipe(\n map(([release, info]) => ({ ...release, ...info }))\n )\n\n /* User or organization */\n } else {\n const url = `https://api.github.com/users/${user}`\n return requestJSON(url)\n .pipe(\n map(info => ({\n repositories: info.public_repos\n })),\n defaultIfEmpty({})\n )\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport {\n EMPTY,\n Observable,\n catchError,\n defaultIfEmpty,\n map\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab repository facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n base: string, project: string\n): Observable {\n const url = `https://${base}/api/v4/projects/${encodeURIComponent(project)}`\n return requestJSON(url)\n .pipe(\n catchError(() => EMPTY), // @todo refactor instant loading\n map(({ star_count, forks_count }) => ({\n stars: star_count,\n forks: forks_count\n })),\n defaultIfEmpty({})\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable } from \"rxjs\"\n\nimport { fetchSourceFactsFromGitHub } from \"../github\"\nimport { fetchSourceFactsFromGitLab } from \"../gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository facts for repositories\n */\nexport interface RepositoryFacts {\n stars?: number /* Number of stars */\n forks?: number /* Number of forks */\n version?: string /* Latest version */\n}\n\n/**\n * Repository facts for organizations\n */\nexport interface OrganizationFacts {\n repositories?: number /* Number of repositories */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Repository facts\n */\nexport type SourceFacts =\n | RepositoryFacts\n | OrganizationFacts\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch repository facts\n *\n * @param url - Repository URL\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFacts(\n url: string\n): Observable {\n\n /* Try to match GitHub repository */\n let match = url.match(/^.+github\\.com\\/([^/]+)\\/?([^/]+)?/i)\n if (match) {\n const [, user, repo] = match\n return fetchSourceFactsFromGitHub(user, repo)\n }\n\n /* Try to match GitLab repository */\n match = url.match(/^.+?([^/]*gitlab[^/]+)\\/(.+?)\\/?$/i)\n if (match) {\n const [, base, slug] = match\n return fetchSourceFactsFromGitLab(base, slug)\n }\n\n /* Fallback */\n return EMPTY\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n catchError,\n defer,\n filter,\n finalize,\n map,\n of,\n shareReplay,\n tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\nimport { ConsentDefaults } from \"~/components/consent\"\nimport { renderSourceFacts } from \"~/templates\"\n\nimport {\n Component,\n getComponentElements\n} from \"../../_\"\nimport {\n SourceFacts,\n fetchSourceFacts\n} from \"../facts\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information\n */\nexport interface Source {\n facts: SourceFacts /* Repository facts */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information observable\n */\nlet fetch$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch repository information\n *\n * This function tries to read the repository facts from session storage, and\n * if unsuccessful, fetches them from the underlying provider.\n *\n * @param el - Repository information element\n *\n * @returns Repository information observable\n */\nexport function watchSource(\n el: HTMLAnchorElement\n): Observable {\n return fetch$ ||= defer(() => {\n const cached = __md_get(\"__source\", sessionStorage)\n if (cached) {\n return of(cached)\n } else {\n\n /* Check if consent is configured and was given */\n const els = getComponentElements(\"consent\")\n if (els.length) {\n const consent = __md_get(\"__consent\")\n if (!(consent && consent.github))\n return EMPTY\n }\n\n /* Fetch repository facts */\n return fetchSourceFacts(el.href)\n .pipe(\n tap(facts => __md_set(\"__source\", facts, sessionStorage))\n )\n }\n })\n .pipe(\n catchError(() => EMPTY),\n filter(facts => Object.keys(facts).length > 0),\n map(facts => ({ facts })),\n shareReplay(1)\n )\n}\n\n/**\n * Mount repository information\n *\n * @param el - Repository information element\n *\n * @returns Repository information component observable\n */\nexport function mountSource(\n el: HTMLAnchorElement\n): Observable> {\n const inner = getElement(\":scope > :last-child\", el)\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ facts }) => {\n inner.appendChild(renderSourceFacts(facts))\n inner.classList.add(\"md-source__repository--active\")\n })\n\n /* Create and return component */\n return watchSource(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n defer,\n distinctUntilKeyChanged,\n finalize,\n map,\n of,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n watchElementSize,\n watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation tabs\n */\nexport interface Tabs {\n hidden: boolean /* Navigation tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation tabs\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs observable\n */\nexport function watchTabs(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n return watchElementSize(document.body)\n .pipe(\n switchMap(() => watchViewportAt(el, { header$, viewport$ })),\n map(({ offset: { y } }) => {\n return {\n hidden: y >= 10\n }\n }),\n distinctUntilKeyChanged(\"hidden\")\n )\n}\n\n/**\n * Mount navigation tabs\n *\n * This function hides the navigation tabs when scrolling past the threshold\n * and makes them reappear in a nice CSS animation when scrolling back up.\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs component observable\n */\nexport function mountTabs(\n el: HTMLElement, options: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe({\n\n /* Handle emission */\n next({ hidden }) {\n el.hidden = hidden\n },\n\n /* Handle complete */\n complete() {\n el.hidden = false\n }\n })\n\n /* Create and return component */\n return (\n feature(\"navigation.tabs.sticky\")\n ? of({ hidden: false })\n : watchTabs(el, options)\n )\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n combineLatestWith,\n debounceTime,\n defer,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n finalize,\n map,\n merge,\n of,\n repeat,\n scan,\n share,\n skip,\n startWith,\n switchMap,\n takeLast,\n takeUntil,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n getElement,\n getElementContainer,\n getElementSize,\n getElements,\n getLocation,\n getOptionalElement,\n watchElementSize\n} from \"~/browser\"\n\nimport {\n Component,\n getComponentElement\n} from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport interface TableOfContents {\n prev: HTMLAnchorElement[][] /* Anchors (previous) */\n next: HTMLAnchorElement[][] /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n target$: Observable /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * This is effectively a scroll spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the table of contents\n * needs to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents observable\n */\nexport function watchTableOfContents(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n const table = new Map()\n\n /* Compute anchor-to-target mapping */\n const anchors = getElements(\"[href^=\\\\#]\", el)\n for (const anchor of anchors) {\n const id = decodeURIComponent(anchor.hash.substring(1))\n const target = getOptionalElement(`[id=\"${id}\"]`)\n if (typeof target !== \"undefined\")\n table.set(anchor, target)\n }\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n distinctUntilKeyChanged(\"height\"),\n map(({ height }) => {\n const main = getComponentElement(\"main\")\n const grid = getElement(\":scope > :first-child\", main)\n return height + 0.8 * (\n grid.offsetTop -\n main.offsetTop\n )\n }),\n share()\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = watchElementSize(document.body)\n .pipe(\n distinctUntilKeyChanged(\"height\"),\n\n /* Build index to map anchor paths to vertical offsets */\n switchMap(body => defer(() => {\n let path: HTMLAnchorElement[] = []\n return of([...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n\n /* If the current anchor is hidden, continue with its parent */\n let offset = target.offsetTop\n while (!offset && target.parentElement) {\n target = target.parentElement\n offset = target.offsetTop\n }\n\n /* Map reversed anchor path to vertical offset */\n return index.set(\n [...path = [...path, anchor]].reverse(),\n offset\n )\n }, new Map()))\n })\n .pipe(\n\n /* Sort index by vertical offset (see https://bit.ly/30z6QSO) */\n map(index => new Map([...index].sort(([, a], [, b]) => a - b))),\n combineLatestWith(adjust$),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(([index, adjust]) => viewport$\n .pipe(\n scan(([prev, next], { offset: { y }, size }) => {\n const last = y + size.height >= Math.floor(body.height)\n\n /* Look forward */\n while (next.length) {\n const [, offset] = next[0]\n if (offset - adjust < y || last) {\n prev = [...prev, next.shift()!]\n } else {\n break\n }\n }\n\n /* Look backward */\n while (prev.length) {\n const [, offset] = prev[prev.length - 1]\n if (offset - adjust >= y && !last) {\n next = [prev.pop()!, ...next]\n } else {\n break\n }\n }\n\n /* Return partition */\n return [prev, next]\n }, [[], [...index]]),\n distinctUntilChanged((a, b) => (\n a[0] === b[0] &&\n a[1] === b[1]\n ))\n )\n )\n )\n )\n )\n\n /* Compute and return anchor list migrations */\n return partition$\n .pipe(\n map(([prev, next]) => ({\n prev: prev.map(([path]) => path),\n next: next.map(([path]) => path)\n })),\n\n /* Extract anchor list migrations */\n startWith({ prev: [], next: [] }),\n bufferCount(2, 1),\n map(([a, b]) => {\n\n /* Moving down */\n if (a.prev.length < b.prev.length) {\n return {\n prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n next: []\n }\n\n /* Moving up */\n } else {\n return {\n prev: b.prev.slice(-1),\n next: b.next.slice(0, b.next.length - a.next.length)\n }\n }\n })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents component observable\n */\nexport function mountTableOfContents(\n el: HTMLElement, { viewport$, header$, target$ }: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n push$.subscribe(({ prev, next }) => {\n\n /* Look forward */\n for (const [anchor] of next) {\n anchor.classList.remove(\"md-nav__link--passed\")\n anchor.classList.remove(\"md-nav__link--active\")\n }\n\n /* Look backward */\n for (const [index, [anchor]] of prev.entries()) {\n anchor.classList.add(\"md-nav__link--passed\")\n anchor.classList.toggle(\n \"md-nav__link--active\",\n index === prev.length - 1\n )\n }\n })\n\n /* Set up following, if enabled */\n if (feature(\"toc.follow\")) {\n\n /* Toggle smooth scrolling only for anchor clicks */\n const smooth$ = merge(\n viewport$.pipe(debounceTime(1), map(() => undefined)),\n viewport$.pipe(debounceTime(250), map(() => \"smooth\" as const))\n )\n\n /* Bring active anchor into view */\n push$\n .pipe(\n filter(({ prev }) => prev.length > 0),\n withLatestFrom(smooth$)\n )\n .subscribe(([{ prev }, behavior]) => {\n const [anchor] = prev[prev.length - 1]\n if (anchor.offsetHeight) {\n\n /* Retrieve overflowing container and scroll */\n const container = getElementContainer(anchor)\n if (typeof container !== \"undefined\") {\n const offset = anchor.offsetTop - container.offsetTop\n const { height } = getElementSize(container)\n container.scrollTo({\n top: offset - height / 2,\n behavior\n })\n }\n }\n })\n }\n\n /* Set up anchor tracking, if enabled */\n if (feature(\"navigation.tracking\"))\n viewport$\n .pipe(\n takeUntil(done$),\n distinctUntilKeyChanged(\"offset\"),\n debounceTime(250),\n skip(1),\n takeUntil(target$.pipe(skip(1))),\n repeat({ delay: 250 }),\n withLatestFrom(push$)\n )\n .subscribe(([, { prev }]) => {\n const url = getLocation()\n\n /* Set hash fragment to active anchor */\n const anchor = prev[prev.length - 1]\n if (anchor && anchor.length) {\n const [active] = anchor\n const { hash } = new URL(active.href)\n if (url.hash !== hash) {\n url.hash = hash\n history.replaceState({}, \"\", `${url}`)\n }\n\n /* Reset anchor when at the top */\n } else {\n url.hash = \"\"\n history.replaceState({}, \"\", `${url}`)\n }\n })\n\n /* Create and return component */\n return watchTableOfContents(el, { viewport$, header$ })\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n combineLatest,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n endWith,\n finalize,\n map,\n repeat,\n skip,\n takeLast,\n takeUntil,\n tap\n} from \"rxjs\"\n\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Back-to-top button\n */\nexport interface BackToTop {\n hidden: boolean /* Back-to-top button is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n main$: Observable
    /* Main area observable */\n target$: Observable /* Location target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n target$: Observable /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch back-to-top\n *\n * @param _el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top observable\n */\nexport function watchBackToTop(\n _el: HTMLElement, { viewport$, main$, target$ }: WatchOptions\n): Observable {\n\n /* Compute direction */\n const direction$ = viewport$\n .pipe(\n map(({ offset: { y } }) => y),\n bufferCount(2, 1),\n map(([a, b]) => a > b && b > 0),\n distinctUntilChanged()\n )\n\n /* Compute whether main area is active */\n const active$ = main$\n .pipe(\n map(({ active }) => active)\n )\n\n /* Compute threshold for hiding */\n return combineLatest([active$, direction$])\n .pipe(\n map(([active, direction]) => !(active && direction)),\n distinctUntilChanged(),\n takeUntil(target$.pipe(skip(1))),\n endWith(true),\n repeat({ delay: 250 }),\n map(hidden => ({ hidden }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount back-to-top\n *\n * @param el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top component observable\n */\nexport function mountBackToTop(\n el: HTMLElement, { viewport$, header$, main$, target$ }: MountOptions\n): Observable> {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n push$.subscribe({\n\n /* Handle emission */\n next({ hidden }) {\n el.hidden = hidden\n if (hidden) {\n el.setAttribute(\"tabindex\", \"-1\")\n el.blur()\n } else {\n el.removeAttribute(\"tabindex\")\n }\n },\n\n /* Handle complete */\n complete() {\n el.style.top = \"\"\n el.hidden = true\n el.removeAttribute(\"tabindex\")\n }\n })\n\n /* Watch header height */\n header$\n .pipe(\n takeUntil(done$),\n distinctUntilKeyChanged(\"height\")\n )\n .subscribe(({ height }) => {\n el.style.top = `${height + 16}px`\n })\n\n /* Create and return component */\n return watchBackToTop(el, { viewport$, main$, target$ })\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n mergeMap,\n switchMap,\n takeWhile,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n tablet$: Observable /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch indeterminate checkboxes\n *\n * This function replaces the indeterminate \"pseudo state\" with the actual\n * indeterminate state, which is used to keep navigation always expanded.\n *\n * @param options - Options\n */\nexport function patchIndeterminate(\n { document$, tablet$ }: PatchOptions\n): void {\n document$\n .pipe(\n switchMap(() => getElements(\n // @todo `data-md-state` is deprecated and removed in v9\n \".md-toggle--indeterminate, [data-md-state=indeterminate]\"\n )),\n tap(el => {\n el.indeterminate = true\n el.checked = false\n }),\n mergeMap(el => fromEvent(el, \"change\")\n .pipe(\n takeWhile(() => el.classList.contains(\"md-toggle--indeterminate\")),\n map(() => el)\n )\n ),\n withLatestFrom(tablet$)\n )\n .subscribe(([el, tablet]) => {\n el.classList.remove(\"md-toggle--indeterminate\")\n if (tablet)\n el.checked = false\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n filter,\n fromEvent,\n map,\n mergeMap,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @returns Test result\n */\nfunction isAppleDevice(): boolean {\n return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n { document$ }: PatchOptions\n): void {\n document$\n .pipe(\n switchMap(() => getElements(\"[data-md-scrollfix]\")),\n tap(el => el.removeAttribute(\"data-md-scrollfix\")),\n filter(isAppleDevice),\n mergeMap(el => fromEvent(el, \"touchstart\")\n .pipe(\n map(() => el)\n )\n )\n )\n .subscribe(el => {\n const top = el.scrollTop\n\n /* We're at the top of the container */\n if (top === 0) {\n el.scrollTop = 1\n\n /* We're at the bottom of the container */\n } else if (top + el.offsetHeight === el.scrollHeight) {\n el.scrollTop = top - 1\n }\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n delay,\n map,\n of,\n switchMap,\n withLatestFrom\n} from \"rxjs\"\n\nimport {\n Viewport,\n watchToggle\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n viewport$: Observable /* Viewport observable */\n tablet$: Observable /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch the document body to lock when search is open\n *\n * For mobile and tablet viewports, the search is rendered full screen, which\n * leads to scroll leaking when at the top or bottom of the search result. This\n * function locks the body when the search is in full screen mode, and restores\n * the scroll position when leaving.\n *\n * @param options - Options\n */\nexport function patchScrolllock(\n { viewport$, tablet$ }: PatchOptions\n): void {\n combineLatest([watchToggle(\"search\"), tablet$])\n .pipe(\n map(([active, tablet]) => active && !tablet),\n switchMap(active => of(active)\n .pipe(\n delay(active ? 400 : 100)\n )\n ),\n withLatestFrom(viewport$)\n )\n .subscribe(([active, { offset: { y }}]) => {\n if (active) {\n document.body.setAttribute(\"data-md-scrolllock\", \"\")\n document.body.style.top = `-${y}px`\n } else {\n const value = -1 * parseInt(document.body.style.top, 10)\n document.body.removeAttribute(\"data-md-scrolllock\")\n document.body.style.top = \"\"\n if (value)\n window.scrollTo(0, value)\n }\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n Object.entries = function (obj: object) {\n const data: [string, string][] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n data.push([key, obj[key]])\n\n /* Return entries */\n return data\n }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n Object.values = function (obj: object) {\n const data: string[] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n 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nu når og også om op os over på selv sig sin sine sit skal skulle som sådan thi til ud under var vi vil ville vor være været".split(" ")),e.Pipeline.registerFunction(e.da.stopWordFilter,"stopWordFilter-da")}}); \ No newline at end of file diff --git a/_old/F23/assets/javascripts/lunr/min/lunr.de.min.js b/_old/F23/assets/javascripts/lunr/min/lunr.de.min.js new file mode 100644 index 000000000..f3b5c108c --- /dev/null +++ b/_old/F23/assets/javascripts/lunr/min/lunr.de.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `German` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof 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andere anderem anderen anderer anderes anderm andern anderr anders auch auf aus bei bin bis bist da damit dann das dasselbe dazu daß dein deine deinem deinen deiner deines dem demselben den denn denselben der derer derselbe derselben des desselben dessen dich die dies diese dieselbe dieselben diesem diesen dieser dieses dir doch dort du durch ein eine einem einen einer eines einig einige einigem einigen einiger einiges einmal er es etwas euch euer eure eurem euren eurer eures für gegen gewesen hab habe haben hat hatte hatten hier hin hinter ich ihm ihn ihnen ihr ihre ihrem ihren ihrer ihres im in indem ins ist jede jedem jeden jeder jedes jene jenem jenen jener jenes jetzt kann kein keine keinem keinen keiner keines können könnte machen man manche manchem manchen mancher manches mein meine meinem meinen meiner meines mich mir mit muss musste nach nicht nichts noch nun nur ob oder ohne sehr sein seine seinem seinen seiner seines selbst sich sie sind so solche solchem solchen solcher solches soll sollte sondern sonst um und uns unse unsem unsen unser unses unter viel vom von vor war waren warst was weg weil weiter welche welchem welchen welcher welches wenn werde werden wie wieder will wir wird wirst wo wollen wollte während würde würden zu zum zur zwar zwischen über".split(" ")),e.Pipeline.registerFunction(e.de.stopWordFilter,"stopWordFilter-de")}}); \ No newline at end of file diff --git a/_old/F23/assets/javascripts/lunr/min/lunr.du.min.js b/_old/F23/assets/javascripts/lunr/min/lunr.du.min.js new file mode 100644 index 000000000..49a0f3f0a --- /dev/null +++ b/_old/F23/assets/javascripts/lunr/min/lunr.du.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `Dutch` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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@@ -0,0 +1,18 @@ +/*! + * Lunr languages, `Italian` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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avevo avrai avranno avrebbe avrebbero avrei avremmo avremo avreste avresti avrete avrà avrò avuta avute avuti avuto c che chi ci coi col come con contro cui da dagl dagli dai dal dall dalla dalle dallo degl degli dei del dell della delle dello di dov dove e ebbe ebbero ebbi ed era erano eravamo eravate eri ero essendo faccia facciamo facciano facciate faccio facemmo facendo facesse facessero facessi facessimo faceste facesti faceva facevamo facevano facevate facevi facevo fai fanno farai faranno farebbe farebbero farei faremmo faremo fareste faresti farete farà farò fece fecero feci fosse fossero fossi fossimo foste fosti fu fui fummo furono gli ha hai hanno ho i il in io l la le lei li lo loro lui ma mi mia mie miei mio ne negl negli nei nel nell nella nelle nello noi non nostra nostre nostri nostro o per perché più quale quanta quante quanti quanto quella quelle quelli quello questa queste questi questo sarai saranno sarebbe sarebbero sarei saremmo saremo sareste saresti sarete sarà sarò se sei si sia siamo siano siate siete sono sta stai stando stanno starai staranno starebbe starebbero starei staremmo staremo stareste staresti starete starà starò stava stavamo stavano stavate stavi stavo stemmo stesse stessero stessi stessimo steste stesti stette stettero stetti stia stiamo stiano stiate sto su sua sue sugl sugli sui sul sull sulla sulle sullo suo suoi ti tra tu tua tue tuo tuoi tutti tutto un una uno vi voi vostra vostre vostri vostro è".split(" ")),e.Pipeline.registerFunction(e.it.stopWordFilter,"stopWordFilter-it")}}); \ No newline at end of file diff --git a/_old/F23/assets/javascripts/lunr/min/lunr.ja.min.js b/_old/F23/assets/javascripts/lunr/min/lunr.ja.min.js new file mode 100644 index 000000000..5f254ebe9 --- /dev/null +++ b/_old/F23/assets/javascripts/lunr/min/lunr.ja.min.js @@ -0,0 +1 @@ +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 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http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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b/_old/F23/assets/javascripts/lunr/min/lunr.vi.min.js new file mode 100644 index 000000000..22aed28c4 --- /dev/null +++ b/_old/F23/assets/javascripts/lunr/min/lunr.vi.min.js @@ -0,0 +1 @@ +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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+ + return this; + } + TinySegmenter.prototype.ctype_ = function(str) { + for (var i in this.chartype_) { + if (str.match(this.chartype_[i][0])) { + return this.chartype_[i][1]; + } + } + return "O"; + } + + TinySegmenter.prototype.ts_ = function(v) { + if (v) { return v; } + return 0; + } + + TinySegmenter.prototype.segment = function(input) { + if (input == null || input == undefined || input == "") { + return []; + } + var result = []; + var seg = ["B3","B2","B1"]; + var ctype = ["O","O","O"]; + var o = input.split(""); + for (i = 0; i < o.length; ++i) { + seg.push(o[i]); + ctype.push(this.ctype_(o[i])) + } + seg.push("E1"); + seg.push("E2"); + seg.push("E3"); + ctype.push("O"); + ctype.push("O"); + ctype.push("O"); + var word = seg[3]; + var p1 = "U"; + var p2 = "U"; + var p3 = "U"; + for (var i = 4; i < seg.length - 3; ++i) { + var score = this.BIAS__; + var w1 = seg[i-3]; + var w2 = seg[i-2]; + var w3 = seg[i-1]; + var w4 = seg[i]; + var w5 = seg[i+1]; + var w6 = seg[i+2]; + var c1 = ctype[i-3]; + var c2 = ctype[i-2]; + var c3 = ctype[i-1]; + var c4 = ctype[i]; + var c5 = ctype[i+1]; + var c6 = ctype[i+2]; + score += this.ts_(this.UP1__[p1]); + score += this.ts_(this.UP2__[p2]); + score += this.ts_(this.UP3__[p3]); + score += this.ts_(this.BP1__[p1 + p2]); + score += this.ts_(this.BP2__[p2 + p3]); + score += this.ts_(this.UW1__[w1]); + score += this.ts_(this.UW2__[w2]); + score += this.ts_(this.UW3__[w3]); + score += this.ts_(this.UW4__[w4]); + score += this.ts_(this.UW5__[w5]); + score += this.ts_(this.UW6__[w6]); + score += this.ts_(this.BW1__[w2 + w3]); + score += this.ts_(this.BW2__[w3 + w4]); + score += this.ts_(this.BW3__[w4 + w5]); + score += this.ts_(this.TW1__[w1 + w2 + w3]); + score += this.ts_(this.TW2__[w2 + w3 + w4]); + score += this.ts_(this.TW3__[w3 + w4 + w5]); + score += this.ts_(this.TW4__[w4 + w5 + w6]); + score += this.ts_(this.UC1__[c1]); + score += this.ts_(this.UC2__[c2]); + score += this.ts_(this.UC3__[c3]); + score += this.ts_(this.UC4__[c4]); + score += this.ts_(this.UC5__[c5]); + score += this.ts_(this.UC6__[c6]); + score += this.ts_(this.BC1__[c2 + c3]); + score += this.ts_(this.BC2__[c3 + c4]); + score += this.ts_(this.BC3__[c4 + c5]); + score += this.ts_(this.TC1__[c1 + c2 + c3]); + score += this.ts_(this.TC2__[c2 + c3 + c4]); + score += this.ts_(this.TC3__[c3 + c4 + c5]); + score += this.ts_(this.TC4__[c4 + c5 + c6]); + // score += this.ts_(this.TC5__[c4 + c5 + c6]); + score += this.ts_(this.UQ1__[p1 + c1]); + score += this.ts_(this.UQ2__[p2 + c2]); + score += this.ts_(this.UQ3__[p3 + c3]); + score += this.ts_(this.BQ1__[p2 + c2 + c3]); + score += this.ts_(this.BQ2__[p2 + c3 + c4]); + score += this.ts_(this.BQ3__[p3 + c2 + c3]); + score += this.ts_(this.BQ4__[p3 + c3 + c4]); + score += this.ts_(this.TQ1__[p2 + c1 + c2 + c3]); + score += this.ts_(this.TQ2__[p2 + c2 + c3 + c4]); + score += this.ts_(this.TQ3__[p3 + c1 + c2 + c3]); + score += this.ts_(this.TQ4__[p3 + c2 + c3 + c4]); + var p = "O"; + if (score > 0) { + result.push(word); + word = ""; + p = "B"; + } + p1 = p2; + p2 = p3; + p3 = p; + word += seg[i]; + } + result.push(word); + + return result; + } + + lunr.TinySegmenter = TinySegmenter; + }; + +})); \ No newline at end of file diff --git a/_old/F23/assets/javascripts/lunr/wordcut.js b/_old/F23/assets/javascripts/lunr/wordcut.js new file mode 100644 index 000000000..146f4b44b --- /dev/null +++ b/_old/F23/assets/javascripts/lunr/wordcut.js @@ -0,0 +1,6708 @@ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}(g.lunr || (g.lunr = {})).wordcut = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 1; + }) + this.addWords(words, false) + } + if(finalize){ + this.finalizeDict(); + } + }, + + dictSeek: function (l, r, ch, strOffset, pos) { + var ans = null; + while (l <= r) { + var m = Math.floor((l + r) / 2), + dict_item = this.dict[m], + len = dict_item.length; + if (len <= strOffset) { + l = m + 1; + } else { + var ch_ = dict_item[strOffset]; + if (ch_ < ch) { + l = m + 1; + } else if (ch_ > ch) { + r = m - 1; + } else { + ans = m; + if (pos == LEFT) { + r = m - 1; + } else { + l = m + 1; + } + } + } + } + return ans; + }, + + isFinal: function (acceptor) { + return this.dict[acceptor.l].length == acceptor.strOffset; + }, + + createAcceptor: function () { + return { + l: 0, + r: this.dict.length - 1, + strOffset: 0, + isFinal: false, + dict: this, + transit: function (ch) { + return this.dict.transit(this, ch); + }, + isError: false, + tag: "DICT", + w: 1, + type: "DICT" + }; + }, + + transit: function (acceptor, ch) { + var l = this.dictSeek(acceptor.l, + acceptor.r, + ch, + acceptor.strOffset, + LEFT); + if (l !== null) { + var r = this.dictSeek(l, + acceptor.r, + ch, + acceptor.strOffset, + RIGHT); + acceptor.l = l; + acceptor.r = r; + acceptor.strOffset++; + acceptor.isFinal = this.isFinal(acceptor); + } else { + acceptor.isError = true; + } + return acceptor; + }, + + sortuniq: function(a){ + return a.sort().filter(function(item, pos, arr){ + return !pos || item != arr[pos - 1]; + }) + }, + + flatten: function(a){ + //[[1,2],[3]] -> [1,2,3] + return [].concat.apply([], a); + } +}; +module.exports = WordcutDict; + +}).call(this,"/dist/tmp") +},{"glob":16,"path":22}],3:[function(require,module,exports){ +var WordRule = { + createAcceptor: function(tag) { + if (tag["WORD_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + var lch = ch.toLowerCase(); + if (lch >= "a" && lch <= "z") { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "WORD_RULE", + type: "WORD_RULE", + w: 1}; + } +}; + +var NumberRule = { + createAcceptor: function(tag) { + if (tag["NUMBER_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (ch >= "0" && ch <= "9") { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "NUMBER_RULE", + type: "NUMBER_RULE", + w: 1}; + } +}; + +var SpaceRule = { + tag: "SPACE_RULE", + createAcceptor: function(tag) { + + if (tag["SPACE_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (ch == " " || ch == "\t" || ch == "\r" || ch == "\n" || + ch == "\u00A0" || ch=="\u2003"//nbsp and emsp + ) { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: SpaceRule.tag, + w: 1, + type: "SPACE_RULE"}; + } +} + +var SingleSymbolRule = { + tag: "SINSYM", + createAcceptor: function(tag) { + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (this.strOffset == 0 && ch.match(/^[\@\(\)\/\,\-\."`]$/)) { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "SINSYM", + w: 1, + type: "SINSYM"}; + } +} + + +var LatinRules = [WordRule, SpaceRule, SingleSymbolRule, NumberRule]; + +module.exports = LatinRules; + +},{}],4:[function(require,module,exports){ +var _ = require("underscore") + , WordcutCore = require("./wordcut_core"); +var PathInfoBuilder = { + + /* + buildByPartAcceptors: function(path, acceptors, i) { + var + var genInfos = partAcceptors.reduce(function(genInfos, acceptor) { + + }, []); + + return genInfos; + } + */ + + buildByAcceptors: function(path, finalAcceptors, i) { + var self = this; + var infos = finalAcceptors.map(function(acceptor) { + var p = i - acceptor.strOffset + 1 + , _info = path[p]; + + var info = {p: p, + mw: _info.mw + (acceptor.mw === undefined ? 0 : acceptor.mw), + w: acceptor.w + _info.w, + unk: (acceptor.unk ? acceptor.unk : 0) + _info.unk, + type: acceptor.type}; + + if (acceptor.type == "PART") { + for(var j = p + 1; j <= i; j++) { + path[j].merge = p; + } + info.merge = p; + } + + return info; + }); + return infos.filter(function(info) { return info; }); + }, + + fallback: function(path, leftBoundary, text, i) { + var _info = path[leftBoundary]; + if (text[i].match(/[\u0E48-\u0E4E]/)) { + if (leftBoundary != 0) + leftBoundary = path[leftBoundary].p; + return {p: leftBoundary, + mw: 0, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; +/* } else if(leftBoundary > 0 && path[leftBoundary].type !== "UNK") { + leftBoundary = path[leftBoundary].p; + return {p: leftBoundary, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; */ + } else { + return {p: leftBoundary, + mw: _info.mw, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; + } + }, + + build: function(path, finalAcceptors, i, leftBoundary, text) { + var basicPathInfos = this.buildByAcceptors(path, finalAcceptors, i); + if (basicPathInfos.length > 0) { + return basicPathInfos; + } else { + return [this.fallback(path, leftBoundary, text, i)]; + } + } +}; + +module.exports = function() { + return _.clone(PathInfoBuilder); +} + +},{"./wordcut_core":8,"underscore":25}],5:[function(require,module,exports){ +var _ = require("underscore"); + + +var PathSelector = { + selectPath: function(paths) { + var path = paths.reduce(function(selectedPath, path) { + if (selectedPath == null) { + return path; + } else { + if (path.unk < selectedPath.unk) + return path; + if (path.unk == selectedPath.unk) { + if (path.mw < selectedPath.mw) + return path + if (path.mw == selectedPath.mw) { + if (path.w < selectedPath.w) + return path; + } + } + return selectedPath; + } + }, null); + return path; + }, + + createPath: function() { + return [{p:null, w:0, unk:0, type: "INIT", mw:0}]; + } +}; + +module.exports = function() { + return _.clone(PathSelector); +}; + +},{"underscore":25}],6:[function(require,module,exports){ +function isMatch(pat, offset, ch) { + if (pat.length <= offset) + return false; + var _ch = pat[offset]; + return _ch == ch || + (_ch.match(/[กข]/) && ch.match(/[ก-ฮ]/)) || + (_ch.match(/[มบ]/) && ch.match(/[ก-ฮ]/)) || + (_ch.match(/\u0E49/) && ch.match(/[\u0E48-\u0E4B]/)); +} + +var Rule0 = { + pat: "เหก็ม", + createAcceptor: function(tag) { + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (isMatch(Rule0.pat, this.strOffset,ch)) { + this.isFinal = (this.strOffset + 1 == Rule0.pat.length); + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "THAI_RULE", + type: "THAI_RULE", + w: 1}; + } +}; + +var PartRule = { + createAcceptor: function(tag) { + return {strOffset: 0, + patterns: [ + "แก", "เก", "ก้", "กก์", "กา", "กี", "กิ", "กืก" + ], + isFinal: false, + transit: function(ch) { + var offset = this.strOffset; + this.patterns = this.patterns.filter(function(pat) { + return isMatch(pat, offset, ch); + }); + + if (this.patterns.length > 0) { + var len = 1 + offset; + this.isFinal = this.patterns.some(function(pat) { + return pat.length == len; + }); + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "PART", + type: "PART", + unk: 1, + w: 1}; + } +}; + +var ThaiRules = [Rule0, PartRule]; + +module.exports = ThaiRules; + +},{}],7:[function(require,module,exports){ +var sys = require("sys") + , WordcutDict = require("./dict") + , WordcutCore = require("./wordcut_core") + , PathInfoBuilder = require("./path_info_builder") + , PathSelector = require("./path_selector") + , Acceptors = require("./acceptors") + , latinRules = require("./latin_rules") + , thaiRules = require("./thai_rules") + , _ = require("underscore"); + + +var Wordcut = Object.create(WordcutCore); +Wordcut.defaultPathInfoBuilder = PathInfoBuilder; +Wordcut.defaultPathSelector = PathSelector; +Wordcut.defaultAcceptors = Acceptors; +Wordcut.defaultLatinRules = latinRules; +Wordcut.defaultThaiRules = thaiRules; +Wordcut.defaultDict = WordcutDict; + + +Wordcut.initNoDict = function(dict_path) { + var self = this; + self.pathInfoBuilder = new self.defaultPathInfoBuilder; + self.pathSelector = new self.defaultPathSelector; + self.acceptors = new self.defaultAcceptors; + self.defaultLatinRules.forEach(function(rule) { + self.acceptors.creators.push(rule); + }); + self.defaultThaiRules.forEach(function(rule) { + self.acceptors.creators.push(rule); + }); +}; + +Wordcut.init = function(dict_path, withDefault, additionalWords) { + withDefault = withDefault || false; + this.initNoDict(); + var dict = _.clone(this.defaultDict); + dict.init(dict_path, withDefault, additionalWords); + this.acceptors.creators.push(dict); +}; + +module.exports = Wordcut; + +},{"./acceptors":1,"./dict":2,"./latin_rules":3,"./path_info_builder":4,"./path_selector":5,"./thai_rules":6,"./wordcut_core":8,"sys":28,"underscore":25}],8:[function(require,module,exports){ +var WordcutCore = { + + buildPath: function(text) { + var self = this + , path = self.pathSelector.createPath() + , leftBoundary = 0; + self.acceptors.reset(); + for (var i = 0; i < text.length; i++) { + var ch = text[i]; + self.acceptors.transit(ch); + + var possiblePathInfos = self + .pathInfoBuilder + .build(path, + self.acceptors.getFinalAcceptors(), + i, + leftBoundary, + text); + var selectedPath = self.pathSelector.selectPath(possiblePathInfos) + + path.push(selectedPath); + if (selectedPath.type !== "UNK") { + leftBoundary = i; + } + } + return path; + }, + + pathToRanges: function(path) { + var e = path.length - 1 + , ranges = []; + + while (e > 0) { + var info = path[e] + , s = info.p; + + if (info.merge !== undefined && ranges.length > 0) { + var r = ranges[ranges.length - 1]; + r.s = info.merge; + s = r.s; + } else { + ranges.push({s:s, e:e}); + } + e = s; + } + return ranges.reverse(); + }, + + rangesToText: function(text, ranges, delimiter) { + return ranges.map(function(r) { + return text.substring(r.s, r.e); + }).join(delimiter); + }, + + cut: function(text, delimiter) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + return this + .rangesToText(text, ranges, + (delimiter === undefined ? "|" : delimiter)); + }, + + cutIntoRanges: function(text, noText) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + + if (!noText) { + ranges.forEach(function(r) { + r.text = text.substring(r.s, r.e); + }); + } + return ranges; + }, + + cutIntoArray: function(text) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + + return ranges.map(function(r) { + return text.substring(r.s, r.e) + }); + } +}; + +module.exports = WordcutCore; + +},{}],9:[function(require,module,exports){ +// http://wiki.commonjs.org/wiki/Unit_Testing/1.0 +// +// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8! +// +// Originally from narwhal.js (http://narwhaljs.org) +// Copyright (c) 2009 Thomas Robinson <280north.com> +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the 'Software'), to +// deal in the Software without restriction, including without limitation the +// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +// sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +// when used in node, this will actually load the util module we depend on +// versus loading the builtin util module as happens otherwise +// this is a bug in node module loading as far as I am concerned +var util = require('util/'); + +var pSlice = Array.prototype.slice; +var hasOwn = Object.prototype.hasOwnProperty; + +// 1. The assert module provides functions that throw +// AssertionError's when particular conditions are not met. The +// assert module must conform to the following interface. + +var assert = module.exports = ok; + +// 2. The AssertionError is defined in assert. +// new assert.AssertionError({ message: message, +// actual: actual, +// expected: expected }) + +assert.AssertionError = function AssertionError(options) { + this.name = 'AssertionError'; + this.actual = options.actual; + this.expected = options.expected; + this.operator = options.operator; + if (options.message) { + this.message = options.message; + this.generatedMessage = false; + } else { + this.message = getMessage(this); + this.generatedMessage = true; + } + var stackStartFunction = options.stackStartFunction || fail; + + if (Error.captureStackTrace) { + Error.captureStackTrace(this, stackStartFunction); + } + else { + // non v8 browsers so we can have a stacktrace + var err = new Error(); + if (err.stack) { + var out = err.stack; + + // try to strip useless frames + var fn_name = stackStartFunction.name; + var idx = out.indexOf('\n' + fn_name); + if (idx >= 0) { + // once we have located the function frame + // we need to strip out everything before it (and its line) + var next_line = out.indexOf('\n', idx + 1); + out = out.substring(next_line + 1); + } + + this.stack = out; + } + } +}; + +// assert.AssertionError instanceof Error +util.inherits(assert.AssertionError, Error); + +function replacer(key, value) { + if (util.isUndefined(value)) { + return '' + value; + } + if (util.isNumber(value) && !isFinite(value)) { + return value.toString(); + } + if (util.isFunction(value) || util.isRegExp(value)) { + return value.toString(); + } + return value; +} + +function truncate(s, n) { + if (util.isString(s)) { + return s.length < n ? s : s.slice(0, n); + } else { + return s; + } +} + +function getMessage(self) { + return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' + + self.operator + ' ' + + truncate(JSON.stringify(self.expected, replacer), 128); +} + +// At present only the three keys mentioned above are used and +// understood by the spec. Implementations or sub modules can pass +// other keys to the AssertionError's constructor - they will be +// ignored. + +// 3. All of the following functions must throw an AssertionError +// when a corresponding condition is not met, with a message that +// may be undefined if not provided. All assertion methods provide +// both the actual and expected values to the assertion error for +// display purposes. + +function fail(actual, expected, message, operator, stackStartFunction) { + throw new assert.AssertionError({ + message: message, + actual: actual, + expected: expected, + operator: operator, + stackStartFunction: stackStartFunction + }); +} + +// EXTENSION! allows for well behaved errors defined elsewhere. +assert.fail = fail; + +// 4. Pure assertion tests whether a value is truthy, as determined +// by !!guard. +// assert.ok(guard, message_opt); +// This statement is equivalent to assert.equal(true, !!guard, +// message_opt);. To test strictly for the value true, use +// assert.strictEqual(true, guard, message_opt);. + +function ok(value, message) { + if (!value) fail(value, true, message, '==', assert.ok); +} +assert.ok = ok; + +// 5. The equality assertion tests shallow, coercive equality with +// ==. +// assert.equal(actual, expected, message_opt); + +assert.equal = function equal(actual, expected, message) { + if (actual != expected) fail(actual, expected, message, '==', assert.equal); +}; + +// 6. The non-equality assertion tests for whether two objects are not equal +// with != assert.notEqual(actual, expected, message_opt); + +assert.notEqual = function notEqual(actual, expected, message) { + if (actual == expected) { + fail(actual, expected, message, '!=', assert.notEqual); + } +}; + +// 7. The equivalence assertion tests a deep equality relation. +// assert.deepEqual(actual, expected, message_opt); + +assert.deepEqual = function deepEqual(actual, expected, message) { + if (!_deepEqual(actual, expected)) { + fail(actual, expected, message, 'deepEqual', assert.deepEqual); + } +}; + +function _deepEqual(actual, expected) { + // 7.1. All identical values are equivalent, as determined by ===. + if (actual === expected) { + return true; + + } else if (util.isBuffer(actual) && util.isBuffer(expected)) { + if (actual.length != expected.length) return false; + + for (var i = 0; i < actual.length; i++) { + if (actual[i] !== expected[i]) return false; + } + + return true; + + // 7.2. If the expected value is a Date object, the actual value is + // equivalent if it is also a Date object that refers to the same time. + } else if (util.isDate(actual) && util.isDate(expected)) { + return actual.getTime() === expected.getTime(); + + // 7.3 If the expected value is a RegExp object, the actual value is + // equivalent if it is also a RegExp object with the same source and + // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`). + } else if (util.isRegExp(actual) && util.isRegExp(expected)) { + return actual.source === expected.source && + actual.global === expected.global && + actual.multiline === expected.multiline && + actual.lastIndex === expected.lastIndex && + actual.ignoreCase === expected.ignoreCase; + + // 7.4. Other pairs that do not both pass typeof value == 'object', + // equivalence is determined by ==. + } else if (!util.isObject(actual) && !util.isObject(expected)) { + return actual == expected; + + // 7.5 For all other Object pairs, including Array objects, equivalence is + // determined by having the same number of owned properties (as verified + // with Object.prototype.hasOwnProperty.call), the same set of keys + // (although not necessarily the same order), equivalent values for every + // corresponding key, and an identical 'prototype' property. Note: this + // accounts for both named and indexed properties on Arrays. + } else { + return objEquiv(actual, expected); + } +} + +function isArguments(object) { + return Object.prototype.toString.call(object) == '[object Arguments]'; +} + +function objEquiv(a, b) { + if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b)) + return false; + // an identical 'prototype' property. + if (a.prototype !== b.prototype) return false; + // if one is a primitive, the other must be same + if (util.isPrimitive(a) || util.isPrimitive(b)) { + return a === b; + } + var aIsArgs = isArguments(a), + bIsArgs = isArguments(b); + if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs)) + return false; + if (aIsArgs) { + a = pSlice.call(a); + b = pSlice.call(b); + return _deepEqual(a, b); + } + var ka = objectKeys(a), + kb = objectKeys(b), + key, i; + // having the same number of owned properties (keys incorporates + // hasOwnProperty) + if (ka.length != kb.length) + return false; + //the same set of keys (although not necessarily the same order), + ka.sort(); + kb.sort(); + //~~~cheap key test + for (i = ka.length - 1; i >= 0; i--) { + if (ka[i] != kb[i]) + return false; + } + //equivalent values for every corresponding key, and + //~~~possibly expensive deep test + for (i = ka.length - 1; i >= 0; i--) { + key = ka[i]; + if (!_deepEqual(a[key], b[key])) return false; + } + return true; +} + +// 8. The non-equivalence assertion tests for any deep inequality. +// assert.notDeepEqual(actual, expected, message_opt); + +assert.notDeepEqual = function notDeepEqual(actual, expected, message) { + if (_deepEqual(actual, expected)) { + fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual); + } +}; + +// 9. The strict equality assertion tests strict equality, as determined by ===. +// assert.strictEqual(actual, expected, message_opt); + +assert.strictEqual = function strictEqual(actual, expected, message) { + if (actual !== expected) { + fail(actual, expected, message, '===', assert.strictEqual); + } +}; + +// 10. The strict non-equality assertion tests for strict inequality, as +// determined by !==. assert.notStrictEqual(actual, expected, message_opt); + +assert.notStrictEqual = function notStrictEqual(actual, expected, message) { + if (actual === expected) { + fail(actual, expected, message, '!==', assert.notStrictEqual); + } +}; + +function expectedException(actual, expected) { + if (!actual || !expected) { + return false; + } + + if (Object.prototype.toString.call(expected) == '[object RegExp]') { + return expected.test(actual); + } else if (actual instanceof expected) { + return true; + } else if (expected.call({}, actual) === true) { + return true; + } + + return false; +} + +function _throws(shouldThrow, block, expected, message) { + var actual; + + if (util.isString(expected)) { + message = expected; + expected = null; + } + + try { + block(); + } catch (e) { + actual = e; + } + + message = (expected && expected.name ? ' (' + expected.name + ').' : '.') + + (message ? ' ' + message : '.'); + + if (shouldThrow && !actual) { + fail(actual, expected, 'Missing expected exception' + message); + } + + if (!shouldThrow && expectedException(actual, expected)) { + fail(actual, expected, 'Got unwanted exception' + message); + } + + if ((shouldThrow && actual && expected && + !expectedException(actual, expected)) || (!shouldThrow && actual)) { + throw actual; + } +} + +// 11. Expected to throw an error: +// assert.throws(block, Error_opt, message_opt); + +assert.throws = function(block, /*optional*/error, /*optional*/message) { + _throws.apply(this, [true].concat(pSlice.call(arguments))); +}; + +// EXTENSION! This is annoying to write outside this module. +assert.doesNotThrow = function(block, /*optional*/message) { + _throws.apply(this, [false].concat(pSlice.call(arguments))); +}; + +assert.ifError = function(err) { if (err) {throw err;}}; + +var objectKeys = Object.keys || function (obj) { + var keys = []; + for (var key in obj) { + if (hasOwn.call(obj, key)) keys.push(key); + } + return keys; +}; + +},{"util/":28}],10:[function(require,module,exports){ +'use strict'; +module.exports = balanced; +function balanced(a, b, str) { + if (a instanceof RegExp) a = maybeMatch(a, str); + if (b instanceof RegExp) b = maybeMatch(b, str); + + var r = range(a, b, str); + + return r && { + start: r[0], + end: r[1], + pre: str.slice(0, r[0]), + body: str.slice(r[0] + a.length, r[1]), + post: str.slice(r[1] + b.length) + }; +} + +function maybeMatch(reg, str) { + var m = str.match(reg); + return m ? m[0] : null; +} + +balanced.range = range; +function range(a, b, str) { + var begs, beg, left, right, result; + var ai = str.indexOf(a); + var bi = str.indexOf(b, ai + 1); + var i = ai; + + if (ai >= 0 && bi > 0) { + begs = []; + left = str.length; + + while (i >= 0 && !result) { + if (i == ai) { + begs.push(i); + ai = str.indexOf(a, i + 1); + } else if (begs.length == 1) { + result = [ begs.pop(), bi ]; + } else { + beg = begs.pop(); + if (beg < left) { + left = beg; + right = bi; + } + + bi = str.indexOf(b, i + 1); + } + + i = ai < bi && ai >= 0 ? ai : bi; + } + + if (begs.length) { + result = [ left, right ]; + } + } + + return result; +} + +},{}],11:[function(require,module,exports){ +var concatMap = require('concat-map'); +var balanced = require('balanced-match'); + +module.exports = expandTop; + +var escSlash = '\0SLASH'+Math.random()+'\0'; +var escOpen = '\0OPEN'+Math.random()+'\0'; +var escClose = '\0CLOSE'+Math.random()+'\0'; +var escComma = '\0COMMA'+Math.random()+'\0'; +var escPeriod = '\0PERIOD'+Math.random()+'\0'; + +function numeric(str) { + return parseInt(str, 10) == str + ? parseInt(str, 10) + : str.charCodeAt(0); +} + +function escapeBraces(str) { + return str.split('\\\\').join(escSlash) + .split('\\{').join(escOpen) + .split('\\}').join(escClose) + .split('\\,').join(escComma) + .split('\\.').join(escPeriod); +} + +function unescapeBraces(str) { + return str.split(escSlash).join('\\') + .split(escOpen).join('{') + .split(escClose).join('}') + .split(escComma).join(',') + .split(escPeriod).join('.'); +} + + +// Basically just str.split(","), but handling cases +// where we have nested braced sections, which should be +// treated as individual members, like {a,{b,c},d} +function parseCommaParts(str) { + if (!str) + return ['']; + + var parts = []; + var m = balanced('{', '}', str); + + if (!m) + return str.split(','); + + var pre = m.pre; + var body = m.body; + var post = m.post; + var p = pre.split(','); + + p[p.length-1] += '{' + body + '}'; + var postParts = parseCommaParts(post); + if (post.length) { + p[p.length-1] += postParts.shift(); + p.push.apply(p, postParts); + } + + parts.push.apply(parts, p); + + return parts; +} + +function expandTop(str) { + if (!str) + return []; + + // I don't know why Bash 4.3 does this, but it does. + // Anything starting with {} will have the first two bytes preserved + // but *only* at the top level, so {},a}b will not expand to anything, + // but a{},b}c will be expanded to [a}c,abc]. + // One could argue that this is a bug in Bash, but since the goal of + // this module is to match Bash's rules, we escape a leading {} + if (str.substr(0, 2) === '{}') { + str = '\\{\\}' + str.substr(2); + } + + return expand(escapeBraces(str), true).map(unescapeBraces); +} + +function identity(e) { + return e; +} + +function embrace(str) { + return '{' + str + '}'; +} +function isPadded(el) { + return /^-?0\d/.test(el); +} + +function lte(i, y) { + return i <= y; +} +function gte(i, y) { + return i >= y; +} + +function expand(str, isTop) { + var expansions = []; + + var m = balanced('{', '}', str); + if (!m || /\$$/.test(m.pre)) return [str]; + + var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body); + var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body); + var isSequence = isNumericSequence || isAlphaSequence; + var isOptions = m.body.indexOf(',') >= 0; + if (!isSequence && !isOptions) { + // {a},b} + if (m.post.match(/,.*\}/)) { + str = m.pre + '{' + m.body + escClose + m.post; + return expand(str); + } + return [str]; + } + + var n; + if (isSequence) { + n = m.body.split(/\.\./); + } else { + n = parseCommaParts(m.body); + if (n.length === 1) { + // x{{a,b}}y ==> x{a}y x{b}y + n = expand(n[0], false).map(embrace); + if (n.length === 1) { + var post = m.post.length + ? expand(m.post, false) + : ['']; + return post.map(function(p) { + return m.pre + n[0] + p; + }); + } + } + } + + // at this point, n is the parts, and we know it's not a comma set + // with a single entry. + + // no need to expand pre, since it is guaranteed to be free of brace-sets + var pre = m.pre; + var post = m.post.length + ? expand(m.post, false) + : ['']; + + var N; + + if (isSequence) { + var x = numeric(n[0]); + var y = numeric(n[1]); + var width = Math.max(n[0].length, n[1].length) + var incr = n.length == 3 + ? Math.abs(numeric(n[2])) + : 1; + var test = lte; + var reverse = y < x; + if (reverse) { + incr *= -1; + test = gte; + } + var pad = n.some(isPadded); + + N = []; + + for (var i = x; test(i, y); i += incr) { + var c; + if (isAlphaSequence) { + c = String.fromCharCode(i); + if (c === '\\') + c = ''; + } else { + c = String(i); + if (pad) { + var need = width - c.length; + if (need > 0) { + var z = new Array(need + 1).join('0'); + if (i < 0) + c = '-' + z + c.slice(1); + else + c = z + c; + } + } + } + N.push(c); + } + } else { + N = concatMap(n, function(el) { return expand(el, false) }); + } + + for (var j = 0; j < N.length; j++) { + for (var k = 0; k < post.length; k++) { + var expansion = pre + N[j] + post[k]; + if (!isTop || isSequence || expansion) + expansions.push(expansion); + } + } + + return expansions; +} + + +},{"balanced-match":10,"concat-map":13}],12:[function(require,module,exports){ + +},{}],13:[function(require,module,exports){ +module.exports = function (xs, fn) { + var res = []; + for (var i = 0; i < xs.length; i++) { + var x = fn(xs[i], i); + if (isArray(x)) res.push.apply(res, x); + else res.push(x); + } + return res; +}; + +var isArray = Array.isArray || function (xs) { + return Object.prototype.toString.call(xs) === '[object Array]'; +}; + +},{}],14:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +function EventEmitter() { + this._events = this._events || {}; + this._maxListeners = this._maxListeners || undefined; +} +module.exports = EventEmitter; + +// Backwards-compat with node 0.10.x +EventEmitter.EventEmitter = EventEmitter; + +EventEmitter.prototype._events = undefined; +EventEmitter.prototype._maxListeners = undefined; + +// By default EventEmitters will print a warning if more than 10 listeners are +// added to it. This is a useful default which helps finding memory leaks. +EventEmitter.defaultMaxListeners = 10; + +// Obviously not all Emitters should be limited to 10. This function allows +// that to be increased. Set to zero for unlimited. +EventEmitter.prototype.setMaxListeners = function(n) { + if (!isNumber(n) || n < 0 || isNaN(n)) + throw TypeError('n must be a positive number'); + this._maxListeners = n; + return this; +}; + +EventEmitter.prototype.emit = function(type) { + var er, handler, len, args, i, listeners; + + if (!this._events) + this._events = {}; + + // If there is no 'error' event listener then throw. + if (type === 'error') { + if (!this._events.error || + (isObject(this._events.error) && !this._events.error.length)) { + er = arguments[1]; + if (er instanceof Error) { + throw er; // Unhandled 'error' event + } + throw TypeError('Uncaught, unspecified "error" event.'); + } + } + + handler = this._events[type]; + + if (isUndefined(handler)) + return false; + + if (isFunction(handler)) { + switch (arguments.length) { + // fast cases + case 1: + handler.call(this); + break; + case 2: + handler.call(this, arguments[1]); + break; + case 3: + handler.call(this, arguments[1], arguments[2]); + break; + // slower + default: + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + handler.apply(this, args); + } + } else if (isObject(handler)) { + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + + listeners = handler.slice(); + len = listeners.length; + for (i = 0; i < len; i++) + listeners[i].apply(this, args); + } + + return true; +}; + +EventEmitter.prototype.addListener = function(type, listener) { + var m; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events) + this._events = {}; + + // To avoid recursion in the case that type === "newListener"! Before + // adding it to the listeners, first emit "newListener". + if (this._events.newListener) + this.emit('newListener', type, + isFunction(listener.listener) ? + listener.listener : listener); + + if (!this._events[type]) + // Optimize the case of one listener. Don't need the extra array object. + this._events[type] = listener; + else if (isObject(this._events[type])) + // If we've already got an array, just append. + this._events[type].push(listener); + else + // Adding the second element, need to change to array. + this._events[type] = [this._events[type], listener]; + + // Check for listener leak + if (isObject(this._events[type]) && !this._events[type].warned) { + var m; + if (!isUndefined(this._maxListeners)) { + m = this._maxListeners; + } else { + m = EventEmitter.defaultMaxListeners; + } + + if (m && m > 0 && this._events[type].length > m) { + this._events[type].warned = true; + console.error('(node) warning: possible EventEmitter memory ' + + 'leak detected. %d listeners added. ' + + 'Use emitter.setMaxListeners() to increase limit.', + this._events[type].length); + if (typeof console.trace === 'function') { + // not supported in IE 10 + console.trace(); + } + } + } + + return this; +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.once = function(type, listener) { + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + var fired = false; + + function g() { + this.removeListener(type, g); + + if (!fired) { + fired = true; + listener.apply(this, arguments); + } + } + + g.listener = listener; + this.on(type, g); + + return this; +}; + +// emits a 'removeListener' event iff the listener was removed +EventEmitter.prototype.removeListener = function(type, listener) { + var list, position, length, i; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events || !this._events[type]) + return this; + + list = this._events[type]; + length = list.length; + position = -1; + + if (list === listener || + (isFunction(list.listener) && list.listener === listener)) { + delete this._events[type]; + if (this._events.removeListener) + this.emit('removeListener', type, listener); + + } else if (isObject(list)) { + for (i = length; i-- > 0;) { + if (list[i] === listener || + (list[i].listener && list[i].listener === listener)) { + position = i; + break; + } + } + + if (position < 0) + return this; + + if (list.length === 1) { + list.length = 0; + delete this._events[type]; + } else { + list.splice(position, 1); + } + + if (this._events.removeListener) + this.emit('removeListener', type, listener); + } + + return this; +}; + +EventEmitter.prototype.removeAllListeners = function(type) { + var key, listeners; + + if (!this._events) + return this; + + // not listening for removeListener, no need to emit + if (!this._events.removeListener) { + if (arguments.length === 0) + this._events = {}; + else if (this._events[type]) + delete this._events[type]; + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + for (key in this._events) { + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = {}; + return this; + } + + listeners = this._events[type]; + + if (isFunction(listeners)) { + this.removeListener(type, listeners); + } else { + // LIFO order + while (listeners.length) + this.removeListener(type, listeners[listeners.length - 1]); + } + delete this._events[type]; + + return this; +}; + +EventEmitter.prototype.listeners = function(type) { + var ret; + if (!this._events || !this._events[type]) + ret = []; + else if (isFunction(this._events[type])) + ret = [this._events[type]]; + else + ret = this._events[type].slice(); + return ret; +}; + +EventEmitter.listenerCount = function(emitter, type) { + var ret; + if (!emitter._events || !emitter._events[type]) + ret = 0; + else if (isFunction(emitter._events[type])) + ret = 1; + else + ret = emitter._events[type].length; + return ret; +}; + +function isFunction(arg) { + return typeof arg === 'function'; +} + +function isNumber(arg) { + return typeof arg === 'number'; +} + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} + +function isUndefined(arg) { + return arg === void 0; +} + +},{}],15:[function(require,module,exports){ +(function (process){ +exports.alphasort = alphasort +exports.alphasorti = alphasorti +exports.setopts = setopts +exports.ownProp = ownProp +exports.makeAbs = makeAbs +exports.finish = finish +exports.mark = mark +exports.isIgnored = isIgnored +exports.childrenIgnored = childrenIgnored + +function ownProp (obj, field) { + return Object.prototype.hasOwnProperty.call(obj, field) +} + +var path = require("path") +var minimatch = require("minimatch") +var isAbsolute = require("path-is-absolute") +var Minimatch = minimatch.Minimatch + +function alphasorti (a, b) { + return a.toLowerCase().localeCompare(b.toLowerCase()) +} + +function alphasort (a, b) { + return a.localeCompare(b) +} + +function setupIgnores (self, options) { + self.ignore = options.ignore || [] + + if (!Array.isArray(self.ignore)) + self.ignore = [self.ignore] + + if (self.ignore.length) { + self.ignore = self.ignore.map(ignoreMap) + } +} + +function ignoreMap (pattern) { + var gmatcher = null + if (pattern.slice(-3) === '/**') { + var gpattern = pattern.replace(/(\/\*\*)+$/, '') + gmatcher = new Minimatch(gpattern) + } + + return { + matcher: new Minimatch(pattern), + gmatcher: gmatcher + } +} + +function setopts (self, pattern, options) { + if (!options) + options = {} + + // base-matching: just use globstar for that. + if (options.matchBase && -1 === pattern.indexOf("/")) { + if (options.noglobstar) { + throw new Error("base matching requires globstar") + } + pattern = "**/" + pattern + } + + self.silent = !!options.silent + self.pattern = pattern + self.strict = options.strict !== false + self.realpath = !!options.realpath + self.realpathCache = options.realpathCache || Object.create(null) + self.follow = !!options.follow + self.dot = !!options.dot + self.mark = !!options.mark + self.nodir = !!options.nodir + if (self.nodir) + self.mark = true + self.sync = !!options.sync + self.nounique = !!options.nounique + self.nonull = !!options.nonull + self.nosort = !!options.nosort + self.nocase = !!options.nocase + self.stat = !!options.stat + self.noprocess = !!options.noprocess + + self.maxLength = options.maxLength || Infinity + self.cache = options.cache || Object.create(null) + self.statCache = options.statCache || Object.create(null) + self.symlinks = options.symlinks || Object.create(null) + + setupIgnores(self, options) + + self.changedCwd = false + var cwd = process.cwd() + if (!ownProp(options, "cwd")) + self.cwd = cwd + else { + self.cwd = options.cwd + self.changedCwd = path.resolve(options.cwd) !== cwd + } + + self.root = options.root || path.resolve(self.cwd, "/") + self.root = path.resolve(self.root) + if (process.platform === "win32") + self.root = self.root.replace(/\\/g, "/") + + self.nomount = !!options.nomount + + // disable comments and negation unless the user explicitly + // passes in false as the option. + options.nonegate = options.nonegate === false ? false : true + options.nocomment = options.nocomment === false ? false : true + deprecationWarning(options) + + self.minimatch = new Minimatch(pattern, options) + self.options = self.minimatch.options +} + +// TODO(isaacs): remove entirely in v6 +// exported to reset in tests +exports.deprecationWarned +function deprecationWarning(options) { + if (!options.nonegate || !options.nocomment) { + if (process.noDeprecation !== true && !exports.deprecationWarned) { + var msg = 'glob WARNING: comments and negation will be disabled in v6' + if (process.throwDeprecation) + throw new Error(msg) + else if (process.traceDeprecation) + console.trace(msg) + else + console.error(msg) + + exports.deprecationWarned = true + } + } +} + +function finish (self) { + var nou = self.nounique + var all = nou ? [] : Object.create(null) + + for (var i = 0, l = self.matches.length; i < l; i ++) { + var matches = self.matches[i] + if (!matches || Object.keys(matches).length === 0) { + if (self.nonull) { + // do like the shell, and spit out the literal glob + var literal = self.minimatch.globSet[i] + if (nou) + all.push(literal) + else + all[literal] = true + } + } else { + // had matches + var m = Object.keys(matches) + if (nou) + all.push.apply(all, m) + else + m.forEach(function (m) { + all[m] = true + }) + } + } + + if (!nou) + all = Object.keys(all) + + if (!self.nosort) + all = all.sort(self.nocase ? alphasorti : alphasort) + + // at *some* point we statted all of these + if (self.mark) { + for (var i = 0; i < all.length; i++) { + all[i] = self._mark(all[i]) + } + if (self.nodir) { + all = all.filter(function (e) { + return !(/\/$/.test(e)) + }) + } + } + + if (self.ignore.length) + all = all.filter(function(m) { + return !isIgnored(self, m) + }) + + self.found = all +} + +function mark (self, p) { + var abs = makeAbs(self, p) + var c = self.cache[abs] + var m = p + if (c) { + var isDir = c === 'DIR' || Array.isArray(c) + var slash = p.slice(-1) === '/' + + if (isDir && !slash) + m += '/' + else if (!isDir && slash) + m = m.slice(0, -1) + + if (m !== p) { + var mabs = makeAbs(self, m) + self.statCache[mabs] = self.statCache[abs] + self.cache[mabs] = self.cache[abs] + } + } + + return m +} + +// lotta situps... +function makeAbs (self, f) { + var abs = f + if (f.charAt(0) === '/') { + abs = path.join(self.root, f) + } else if (isAbsolute(f) || f === '') { + abs = f + } else if (self.changedCwd) { + abs = path.resolve(self.cwd, f) + } else { + abs = path.resolve(f) + } + return abs +} + + +// Return true, if pattern ends with globstar '**', for the accompanying parent directory. +// Ex:- If node_modules/** is the pattern, add 'node_modules' to ignore list along with it's contents +function isIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return item.matcher.match(path) || !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +function childrenIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +}).call(this,require('_process')) +},{"_process":24,"minimatch":20,"path":22,"path-is-absolute":23}],16:[function(require,module,exports){ +(function (process){ +// Approach: +// +// 1. Get the minimatch set +// 2. For each pattern in the set, PROCESS(pattern, false) +// 3. Store matches per-set, then uniq them +// +// PROCESS(pattern, inGlobStar) +// Get the first [n] items from pattern that are all strings +// Join these together. This is PREFIX. +// If there is no more remaining, then stat(PREFIX) and +// add to matches if it succeeds. END. +// +// If inGlobStar and PREFIX is symlink and points to dir +// set ENTRIES = [] +// else readdir(PREFIX) as ENTRIES +// If fail, END +// +// with ENTRIES +// If pattern[n] is GLOBSTAR +// // handle the case where the globstar match is empty +// // by pruning it out, and testing the resulting pattern +// PROCESS(pattern[0..n] + pattern[n+1 .. $], false) +// // handle other cases. +// for ENTRY in ENTRIES (not dotfiles) +// // attach globstar + tail onto the entry +// // Mark that this entry is a globstar match +// PROCESS(pattern[0..n] + ENTRY + pattern[n .. $], true) +// +// else // not globstar +// for ENTRY in ENTRIES (not dotfiles, unless pattern[n] is dot) +// Test ENTRY against pattern[n] +// If fails, continue +// If passes, PROCESS(pattern[0..n] + item + pattern[n+1 .. $]) +// +// Caveat: +// Cache all stats and readdirs results to minimize syscall. Since all +// we ever care about is existence and directory-ness, we can just keep +// `true` for files, and [children,...] for directories, or `false` for +// things that don't exist. + +module.exports = glob + +var fs = require('fs') +var minimatch = require('minimatch') +var Minimatch = minimatch.Minimatch +var inherits = require('inherits') +var EE = require('events').EventEmitter +var path = require('path') +var assert = require('assert') +var isAbsolute = require('path-is-absolute') +var globSync = require('./sync.js') +var common = require('./common.js') +var alphasort = common.alphasort +var alphasorti = common.alphasorti +var setopts = common.setopts +var ownProp = common.ownProp +var inflight = require('inflight') +var util = require('util') +var childrenIgnored = common.childrenIgnored +var isIgnored = common.isIgnored + +var once = require('once') + +function glob (pattern, options, cb) { + if (typeof options === 'function') cb = options, options = {} + if (!options) options = {} + + if (options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return globSync(pattern, options) + } + + return new Glob(pattern, options, cb) +} + +glob.sync = globSync +var GlobSync = glob.GlobSync = globSync.GlobSync + +// old api surface +glob.glob = glob + +glob.hasMagic = function (pattern, options_) { + var options = util._extend({}, options_) + options.noprocess = true + + var g = new Glob(pattern, options) + var set = g.minimatch.set + if (set.length > 1) + return true + + for (var j = 0; j < set[0].length; j++) { + if (typeof set[0][j] !== 'string') + return true + } + + return false +} + +glob.Glob = Glob +inherits(Glob, EE) +function Glob (pattern, options, cb) { + if (typeof options === 'function') { + cb = options + options = null + } + + if (options && options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return new GlobSync(pattern, options) + } + + if (!(this instanceof Glob)) + return new Glob(pattern, options, cb) + + setopts(this, pattern, options) + this._didRealPath = false + + // process each pattern in the minimatch set + var n = this.minimatch.set.length + + // The matches are stored as {: true,...} so that + // duplicates are automagically pruned. + // Later, we do an Object.keys() on these. + // Keep them as a list so we can fill in when nonull is set. + this.matches = new Array(n) + + if (typeof cb === 'function') { + cb = once(cb) + this.on('error', cb) + this.on('end', function (matches) { + cb(null, matches) + }) + } + + var self = this + var n = this.minimatch.set.length + this._processing = 0 + this.matches = new Array(n) + + this._emitQueue = [] + this._processQueue = [] + this.paused = false + + if (this.noprocess) + return this + + if (n === 0) + return done() + + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false, done) + } + + function done () { + --self._processing + if (self._processing <= 0) + self._finish() + } +} + +Glob.prototype._finish = function () { + assert(this instanceof Glob) + if (this.aborted) + return + + if (this.realpath && !this._didRealpath) + return this._realpath() + + common.finish(this) + this.emit('end', this.found) +} + +Glob.prototype._realpath = function () { + if (this._didRealpath) + return + + this._didRealpath = true + + var n = this.matches.length + if (n === 0) + return this._finish() + + var self = this + for (var i = 0; i < this.matches.length; i++) + this._realpathSet(i, next) + + function next () { + if (--n === 0) + self._finish() + } +} + +Glob.prototype._realpathSet = function (index, cb) { + var matchset = this.matches[index] + if (!matchset) + return cb() + + var found = Object.keys(matchset) + var self = this + var n = found.length + + if (n === 0) + return cb() + + var set = this.matches[index] = Object.create(null) + found.forEach(function (p, i) { + // If there's a problem with the stat, then it means that + // one or more of the links in the realpath couldn't be + // resolved. just return the abs value in that case. + p = self._makeAbs(p) + fs.realpath(p, self.realpathCache, function (er, real) { + if (!er) + set[real] = true + else if (er.syscall === 'stat') + set[p] = true + else + self.emit('error', er) // srsly wtf right here + + if (--n === 0) { + self.matches[index] = set + cb() + } + }) + }) +} + +Glob.prototype._mark = function (p) { + return common.mark(this, p) +} + +Glob.prototype._makeAbs = function (f) { + return common.makeAbs(this, f) +} + +Glob.prototype.abort = function () { + this.aborted = true + this.emit('abort') +} + +Glob.prototype.pause = function () { + if (!this.paused) { + this.paused = true + this.emit('pause') + } +} + +Glob.prototype.resume = function () { + if (this.paused) { + this.emit('resume') + this.paused = false + if (this._emitQueue.length) { + var eq = this._emitQueue.slice(0) + this._emitQueue.length = 0 + for (var i = 0; i < eq.length; i ++) { + var e = eq[i] + this._emitMatch(e[0], e[1]) + } + } + if (this._processQueue.length) { + var pq = this._processQueue.slice(0) + this._processQueue.length = 0 + for (var i = 0; i < pq.length; i ++) { + var p = pq[i] + this._processing-- + this._process(p[0], p[1], p[2], p[3]) + } + } + } +} + +Glob.prototype._process = function (pattern, index, inGlobStar, cb) { + assert(this instanceof Glob) + assert(typeof cb === 'function') + + if (this.aborted) + return + + this._processing++ + if (this.paused) { + this._processQueue.push([pattern, index, inGlobStar, cb]) + return + } + + //console.error('PROCESS %d', this._processing, pattern) + + // Get the first [n] parts of pattern that are all strings. + var n = 0 + while (typeof pattern[n] === 'string') { + n ++ + } + // now n is the index of the first one that is *not* a string. + + // see if there's anything else + var prefix + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index, cb) + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/') + break + } + + var remain = pattern.slice(n) + + // get the list of entries. + var read + if (prefix === null) + read = '.' + else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) { + if (!prefix || !isAbsolute(prefix)) + prefix = '/' + prefix + read = prefix + } else + read = prefix + + var abs = this._makeAbs(read) + + //if ignored, skip _processing + if (childrenIgnored(this, read)) + return cb() + + var isGlobStar = remain[0] === minimatch.GLOBSTAR + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar, cb) + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar, cb) +} + +Glob.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this + this._readdir(abs, inGlobStar, function (er, entries) { + return self._processReaddir2(prefix, read, abs, remain, index, inGlobStar, entries, cb) + }) +} + +Glob.prototype._processReaddir2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return cb() + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0] + var negate = !!this.minimatch.negate + var rawGlob = pn._glob + var dotOk = this.dot || rawGlob.charAt(0) === '.' + + var matchedEntries = [] + for (var i = 0; i < entries.length; i++) { + var e = entries[i] + if (e.charAt(0) !== '.' || dotOk) { + var m + if (negate && !prefix) { + m = !e.match(pn) + } else { + m = e.match(pn) + } + if (m) + matchedEntries.push(e) + } + } + + //console.error('prd2', prefix, entries, remain[0]._glob, matchedEntries) + + var len = matchedEntries.length + // If there are no matched entries, then nothing matches. + if (len === 0) + return cb() + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path.join(this.root, e) + } + this._emitMatch(index, e) + } + // This was the last one, and no stats were needed + return cb() + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift() + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + var newPattern + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + this._process([e].concat(remain), index, inGlobStar, cb) + } + cb() +} + +Glob.prototype._emitMatch = function (index, e) { + if (this.aborted) + return + + if (this.matches[index][e]) + return + + if (isIgnored(this, e)) + return + + if (this.paused) { + this._emitQueue.push([index, e]) + return + } + + var abs = this._makeAbs(e) + + if (this.nodir) { + var c = this.cache[abs] + if (c === 'DIR' || Array.isArray(c)) + return + } + + if (this.mark) + e = this._mark(e) + + this.matches[index][e] = true + + var st = this.statCache[abs] + if (st) + this.emit('stat', e, st) + + this.emit('match', e) +} + +Glob.prototype._readdirInGlobStar = function (abs, cb) { + if (this.aborted) + return + + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false, cb) + + var lstatkey = 'lstat\0' + abs + var self = this + var lstatcb = inflight(lstatkey, lstatcb_) + + if (lstatcb) + fs.lstat(abs, lstatcb) + + function lstatcb_ (er, lstat) { + if (er) + return cb() + + var isSym = lstat.isSymbolicLink() + self.symlinks[abs] = isSym + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && !lstat.isDirectory()) { + self.cache[abs] = 'FILE' + cb() + } else + self._readdir(abs, false, cb) + } +} + +Glob.prototype._readdir = function (abs, inGlobStar, cb) { + if (this.aborted) + return + + cb = inflight('readdir\0'+abs+'\0'+inGlobStar, cb) + if (!cb) + return + + //console.error('RD %j %j', +inGlobStar, abs) + if (inGlobStar && !ownProp(this.symlinks, abs)) + return this._readdirInGlobStar(abs, cb) + + if (ownProp(this.cache, abs)) { + var c = this.cache[abs] + if (!c || c === 'FILE') + return cb() + + if (Array.isArray(c)) + return cb(null, c) + } + + var self = this + fs.readdir(abs, readdirCb(this, abs, cb)) +} + +function readdirCb (self, abs, cb) { + return function (er, entries) { + if (er) + self._readdirError(abs, er, cb) + else + self._readdirEntries(abs, entries, cb) + } +} + +Glob.prototype._readdirEntries = function (abs, entries, cb) { + if (this.aborted) + return + + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i] + if (abs === '/') + e = abs + e + else + e = abs + '/' + e + this.cache[e] = true + } + } + + this.cache[abs] = entries + return cb(null, entries) +} + +Glob.prototype._readdirError = function (f, er, cb) { + if (this.aborted) + return + + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + this.cache[this._makeAbs(f)] = 'FILE' + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false + if (this.strict) { + this.emit('error', er) + // If the error is handled, then we abort + // if not, we threw out of here + this.abort() + } + if (!this.silent) + console.error('glob error', er) + break + } + + return cb() +} + +Glob.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this + this._readdir(abs, inGlobStar, function (er, entries) { + self._processGlobStar2(prefix, read, abs, remain, index, inGlobStar, entries, cb) + }) +} + + +Glob.prototype._processGlobStar2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + //console.error('pgs2', prefix, remain[0], entries) + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return cb() + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1) + var gspref = prefix ? [ prefix ] : [] + var noGlobStar = gspref.concat(remainWithoutGlobStar) + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false, cb) + + var isSym = this.symlinks[abs] + var len = entries.length + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return cb() + + for (var i = 0; i < len; i++) { + var e = entries[i] + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar) + this._process(instead, index, true, cb) + + var below = gspref.concat(entries[i], remain) + this._process(below, index, true, cb) + } + + cb() +} + +Glob.prototype._processSimple = function (prefix, index, cb) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var self = this + this._stat(prefix, function (er, exists) { + self._processSimple2(prefix, index, er, exists, cb) + }) +} +Glob.prototype._processSimple2 = function (prefix, index, er, exists, cb) { + + //console.error('ps2', prefix, exists) + + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return cb() + + if (prefix && isAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix) + if (prefix.charAt(0) === '/') { + prefix = path.join(this.root, prefix) + } else { + prefix = path.resolve(this.root, prefix) + if (trail) + prefix += '/' + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/') + + // Mark this as a match + this._emitMatch(index, prefix) + cb() +} + +// Returns either 'DIR', 'FILE', or false +Glob.prototype._stat = function (f, cb) { + var abs = this._makeAbs(f) + var needDir = f.slice(-1) === '/' + + if (f.length > this.maxLength) + return cb() + + if (!this.stat && ownProp(this.cache, abs)) { + var c = this.cache[abs] + + if (Array.isArray(c)) + c = 'DIR' + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return cb(null, c) + + if (needDir && c === 'FILE') + return cb() + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + + var exists + var stat = this.statCache[abs] + if (stat !== undefined) { + if (stat === false) + return cb(null, stat) + else { + var type = stat.isDirectory() ? 'DIR' : 'FILE' + if (needDir && type === 'FILE') + return cb() + else + return cb(null, type, stat) + } + } + + var self = this + var statcb = inflight('stat\0' + abs, lstatcb_) + if (statcb) + fs.lstat(abs, statcb) + + function lstatcb_ (er, lstat) { + if (lstat && lstat.isSymbolicLink()) { + // If it's a symlink, then treat it as the target, unless + // the target does not exist, then treat it as a file. + return fs.stat(abs, function (er, stat) { + if (er) + self._stat2(f, abs, null, lstat, cb) + else + self._stat2(f, abs, er, stat, cb) + }) + } else { + self._stat2(f, abs, er, lstat, cb) + } + } +} + +Glob.prototype._stat2 = function (f, abs, er, stat, cb) { + if (er) { + this.statCache[abs] = false + return cb() + } + + var needDir = f.slice(-1) === '/' + this.statCache[abs] = stat + + if (abs.slice(-1) === '/' && !stat.isDirectory()) + return cb(null, false, stat) + + var c = stat.isDirectory() ? 'DIR' : 'FILE' + this.cache[abs] = this.cache[abs] || c + + if (needDir && c !== 'DIR') + return cb() + + return cb(null, c, stat) +} + +}).call(this,require('_process')) +},{"./common.js":15,"./sync.js":17,"_process":24,"assert":9,"events":14,"fs":12,"inflight":18,"inherits":19,"minimatch":20,"once":21,"path":22,"path-is-absolute":23,"util":28}],17:[function(require,module,exports){ +(function (process){ +module.exports = globSync +globSync.GlobSync = GlobSync + +var fs = require('fs') +var minimatch = require('minimatch') +var Minimatch = minimatch.Minimatch +var Glob = require('./glob.js').Glob +var util = require('util') +var path = require('path') +var assert = require('assert') +var isAbsolute = require('path-is-absolute') +var common = require('./common.js') +var alphasort = common.alphasort +var alphasorti = common.alphasorti +var setopts = common.setopts +var ownProp = common.ownProp +var childrenIgnored = common.childrenIgnored + +function globSync (pattern, options) { + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + return new GlobSync(pattern, options).found +} + +function GlobSync (pattern, options) { + if (!pattern) + throw new Error('must provide pattern') + + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + if (!(this instanceof GlobSync)) + return new GlobSync(pattern, options) + + setopts(this, pattern, options) + + if (this.noprocess) + return this + + var n = this.minimatch.set.length + this.matches = new Array(n) + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false) + } + this._finish() +} + +GlobSync.prototype._finish = function () { + assert(this instanceof GlobSync) + if (this.realpath) { + var self = this + this.matches.forEach(function (matchset, index) { + var set = self.matches[index] = Object.create(null) + for (var p in matchset) { + try { + p = self._makeAbs(p) + var real = fs.realpathSync(p, self.realpathCache) + set[real] = true + } catch (er) { + if (er.syscall === 'stat') + set[self._makeAbs(p)] = true + else + throw er + } + } + }) + } + common.finish(this) +} + + +GlobSync.prototype._process = function (pattern, index, inGlobStar) { + assert(this instanceof GlobSync) + + // Get the first [n] parts of pattern that are all strings. + var n = 0 + while (typeof pattern[n] === 'string') { + n ++ + } + // now n is the index of the first one that is *not* a string. + + // See if there's anything else + var prefix + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index) + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/') + break + } + + var remain = pattern.slice(n) + + // get the list of entries. + var read + if (prefix === null) + read = '.' + else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) { + if (!prefix || !isAbsolute(prefix)) + prefix = '/' + prefix + read = prefix + } else + read = prefix + + var abs = this._makeAbs(read) + + //if ignored, skip processing + if (childrenIgnored(this, read)) + return + + var isGlobStar = remain[0] === minimatch.GLOBSTAR + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar) + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar) +} + + +GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) { + var entries = this._readdir(abs, inGlobStar) + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0] + var negate = !!this.minimatch.negate + var rawGlob = pn._glob + var dotOk = this.dot || rawGlob.charAt(0) === '.' + + var matchedEntries = [] + for (var i = 0; i < entries.length; i++) { + var e = entries[i] + if (e.charAt(0) !== '.' || dotOk) { + var m + if (negate && !prefix) { + m = !e.match(pn) + } else { + m = e.match(pn) + } + if (m) + matchedEntries.push(e) + } + } + + var len = matchedEntries.length + // If there are no matched entries, then nothing matches. + if (len === 0) + return + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + if (prefix) { + if (prefix.slice(-1) !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path.join(this.root, e) + } + this.matches[index][e] = true + } + // This was the last one, and no stats were needed + return + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift() + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + var newPattern + if (prefix) + newPattern = [prefix, e] + else + newPattern = [e] + this._process(newPattern.concat(remain), index, inGlobStar) + } +} + + +GlobSync.prototype._emitMatch = function (index, e) { + var abs = this._makeAbs(e) + if (this.mark) + e = this._mark(e) + + if (this.matches[index][e]) + return + + if (this.nodir) { + var c = this.cache[this._makeAbs(e)] + if (c === 'DIR' || Array.isArray(c)) + return + } + + this.matches[index][e] = true + if (this.stat) + this._stat(e) +} + + +GlobSync.prototype._readdirInGlobStar = function (abs) { + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false) + + var entries + var lstat + var stat + try { + lstat = fs.lstatSync(abs) + } catch (er) { + // lstat failed, doesn't exist + return null + } + + var isSym = lstat.isSymbolicLink() + this.symlinks[abs] = isSym + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && !lstat.isDirectory()) + this.cache[abs] = 'FILE' + else + entries = this._readdir(abs, false) + + return entries +} + +GlobSync.prototype._readdir = function (abs, inGlobStar) { + var entries + + if (inGlobStar && !ownProp(this.symlinks, abs)) + return this._readdirInGlobStar(abs) + + if (ownProp(this.cache, abs)) { + var c = this.cache[abs] + if (!c || c === 'FILE') + return null + + if (Array.isArray(c)) + return c + } + + try { + return this._readdirEntries(abs, fs.readdirSync(abs)) + } catch (er) { + this._readdirError(abs, er) + return null + } +} + +GlobSync.prototype._readdirEntries = function (abs, entries) { + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i] + if (abs === '/') + e = abs + e + else + e = abs + '/' + e + this.cache[e] = true + } + } + + this.cache[abs] = entries + + // mark and cache dir-ness + return entries +} + +GlobSync.prototype._readdirError = function (f, er) { + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + this.cache[this._makeAbs(f)] = 'FILE' + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false + if (this.strict) + throw er + if (!this.silent) + console.error('glob error', er) + break + } +} + +GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) { + + var entries = this._readdir(abs, inGlobStar) + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1) + var gspref = prefix ? [ prefix ] : [] + var noGlobStar = gspref.concat(remainWithoutGlobStar) + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false) + + var len = entries.length + var isSym = this.symlinks[abs] + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return + + for (var i = 0; i < len; i++) { + var e = entries[i] + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar) + this._process(instead, index, true) + + var below = gspref.concat(entries[i], remain) + this._process(below, index, true) + } +} + +GlobSync.prototype._processSimple = function (prefix, index) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var exists = this._stat(prefix) + + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return + + if (prefix && isAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix) + if (prefix.charAt(0) === '/') { + prefix = path.join(this.root, prefix) + } else { + prefix = path.resolve(this.root, prefix) + if (trail) + prefix += '/' + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/') + + // Mark this as a match + this.matches[index][prefix] = true +} + +// Returns either 'DIR', 'FILE', or false +GlobSync.prototype._stat = function (f) { + var abs = this._makeAbs(f) + var needDir = f.slice(-1) === '/' + + if (f.length > this.maxLength) + return false + + if (!this.stat && ownProp(this.cache, abs)) { + var c = this.cache[abs] + + if (Array.isArray(c)) + c = 'DIR' + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return c + + if (needDir && c === 'FILE') + return false + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + + var exists + var stat = this.statCache[abs] + if (!stat) { + var lstat + try { + lstat = fs.lstatSync(abs) + } catch (er) { + return false + } + + if (lstat.isSymbolicLink()) { + try { + stat = fs.statSync(abs) + } catch (er) { + stat = lstat + } + } else { + stat = lstat + } + } + + this.statCache[abs] = stat + + var c = stat.isDirectory() ? 'DIR' : 'FILE' + this.cache[abs] = this.cache[abs] || c + + if (needDir && c !== 'DIR') + return false + + return c +} + +GlobSync.prototype._mark = function (p) { + return common.mark(this, p) +} + +GlobSync.prototype._makeAbs = function (f) { + return common.makeAbs(this, f) +} + +}).call(this,require('_process')) +},{"./common.js":15,"./glob.js":16,"_process":24,"assert":9,"fs":12,"minimatch":20,"path":22,"path-is-absolute":23,"util":28}],18:[function(require,module,exports){ +(function (process){ +var wrappy = require('wrappy') +var reqs = Object.create(null) +var once = require('once') + +module.exports = wrappy(inflight) + +function inflight (key, cb) { + if (reqs[key]) { + reqs[key].push(cb) + return null + } else { + reqs[key] = [cb] + return makeres(key) + } +} + +function makeres (key) { + return once(function RES () { + var cbs = reqs[key] + var len = cbs.length + var args = slice(arguments) + + // XXX It's somewhat ambiguous whether a new callback added in this + // pass should be queued for later execution if something in the + // list of callbacks throws, or if it should just be discarded. + // However, it's such an edge case that it hardly matters, and either + // choice is likely as surprising as the other. + // As it happens, we do go ahead and schedule it for later execution. + try { + for (var i = 0; i < len; i++) { + cbs[i].apply(null, args) + } + } finally { + if (cbs.length > len) { + // added more in the interim. + // de-zalgo, just in case, but don't call again. + cbs.splice(0, len) + process.nextTick(function () { + RES.apply(null, args) + }) + } else { + delete reqs[key] + } + } + }) +} + +function slice (args) { + var length = args.length + var array = [] + + for (var i = 0; i < length; i++) array[i] = args[i] + return array +} + +}).call(this,require('_process')) +},{"_process":24,"once":21,"wrappy":29}],19:[function(require,module,exports){ +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } +} + +},{}],20:[function(require,module,exports){ +module.exports = minimatch +minimatch.Minimatch = Minimatch + +var path = { sep: '/' } +try { + path = require('path') +} catch (er) {} + +var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {} +var expand = require('brace-expansion') + +var plTypes = { + '!': { open: '(?:(?!(?:', close: '))[^/]*?)'}, + '?': { open: '(?:', close: ')?' }, + '+': { open: '(?:', close: ')+' }, + '*': { open: '(?:', close: ')*' }, + '@': { open: '(?:', close: ')' } +} + +// any single thing other than / +// don't need to escape / when using new RegExp() +var qmark = '[^/]' + +// * => any number of characters +var star = qmark + '*?' + +// ** when dots are allowed. Anything goes, except .. and . +// not (^ or / followed by one or two dots followed by $ or /), +// followed by anything, any number of times. +var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?' + +// not a ^ or / followed by a dot, +// followed by anything, any number of times. +var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?' + +// characters that need to be escaped in RegExp. +var reSpecials = charSet('().*{}+?[]^$\\!') + +// "abc" -> { a:true, b:true, c:true } +function charSet (s) { + return s.split('').reduce(function (set, c) { + set[c] = true + return set + }, {}) +} + +// normalizes slashes. +var slashSplit = /\/+/ + +minimatch.filter = filter +function filter (pattern, options) { + options = options || {} + return function (p, i, list) { + return minimatch(p, pattern, options) + } +} + +function ext (a, b) { + a = a || {} + b = b || {} + var t = {} + Object.keys(b).forEach(function (k) { + t[k] = b[k] + }) + Object.keys(a).forEach(function (k) { + t[k] = a[k] + }) + return t +} + +minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return minimatch + + var orig = minimatch + + var m = function minimatch (p, pattern, options) { + return orig.minimatch(p, pattern, ext(def, options)) + } + + m.Minimatch = function Minimatch (pattern, options) { + return new orig.Minimatch(pattern, ext(def, options)) + } + + return m +} + +Minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return Minimatch + return minimatch.defaults(def).Minimatch +} + +function minimatch (p, pattern, options) { + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {} + + // shortcut: comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + return false + } + + // "" only matches "" + if (pattern.trim() === '') return p === '' + + return new Minimatch(pattern, options).match(p) +} + +function Minimatch (pattern, options) { + if (!(this instanceof Minimatch)) { + return new Minimatch(pattern, options) + } + + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {} + pattern = pattern.trim() + + // windows support: need to use /, not \ + if (path.sep !== '/') { + pattern = pattern.split(path.sep).join('/') + } + + this.options = options + this.set = [] + this.pattern = pattern + this.regexp = null + this.negate = false + this.comment = false + this.empty = false + + // make the set of regexps etc. + this.make() +} + +Minimatch.prototype.debug = function () {} + +Minimatch.prototype.make = make +function make () { + // don't do it more than once. + if (this._made) return + + var pattern = this.pattern + var options = this.options + + // empty patterns and comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + this.comment = true + return + } + if (!pattern) { + this.empty = true + return + } + + // step 1: figure out negation, etc. + this.parseNegate() + + // step 2: expand braces + var set = this.globSet = this.braceExpand() + + if (options.debug) this.debug = console.error + + this.debug(this.pattern, set) + + // step 3: now we have a set, so turn each one into a series of path-portion + // matching patterns. + // These will be regexps, except in the case of "**", which is + // set to the GLOBSTAR object for globstar behavior, + // and will not contain any / characters + set = this.globParts = set.map(function (s) { + return s.split(slashSplit) + }) + + this.debug(this.pattern, set) + + // glob --> regexps + set = set.map(function (s, si, set) { + return s.map(this.parse, this) + }, this) + + this.debug(this.pattern, set) + + // filter out everything that didn't compile properly. + set = set.filter(function (s) { + return s.indexOf(false) === -1 + }) + + this.debug(this.pattern, set) + + this.set = set +} + +Minimatch.prototype.parseNegate = parseNegate +function parseNegate () { + var pattern = this.pattern + var negate = false + var options = this.options + var negateOffset = 0 + + if (options.nonegate) return + + for (var i = 0, l = pattern.length + ; i < l && pattern.charAt(i) === '!' + ; i++) { + negate = !negate + negateOffset++ + } + + if (negateOffset) this.pattern = pattern.substr(negateOffset) + this.negate = negate +} + +// Brace expansion: +// a{b,c}d -> abd acd +// a{b,}c -> abc ac +// a{0..3}d -> a0d a1d a2d a3d +// a{b,c{d,e}f}g -> abg acdfg acefg +// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg +// +// Invalid sets are not expanded. +// a{2..}b -> a{2..}b +// a{b}c -> a{b}c +minimatch.braceExpand = function (pattern, options) { + return braceExpand(pattern, options) +} + +Minimatch.prototype.braceExpand = braceExpand + +function braceExpand (pattern, options) { + if (!options) { + if (this instanceof Minimatch) { + options = this.options + } else { + options = {} + } + } + + pattern = typeof pattern === 'undefined' + ? this.pattern : pattern + + if (typeof pattern === 'undefined') { + throw new TypeError('undefined pattern') + } + + if (options.nobrace || + !pattern.match(/\{.*\}/)) { + // shortcut. no need to expand. + return [pattern] + } + + return expand(pattern) +} + +// parse a component of the expanded set. +// At this point, no pattern may contain "/" in it +// so we're going to return a 2d array, where each entry is the full +// pattern, split on '/', and then turned into a regular expression. +// A regexp is made at the end which joins each array with an +// escaped /, and another full one which joins each regexp with |. +// +// Following the lead of Bash 4.1, note that "**" only has special meaning +// when it is the *only* thing in a path portion. Otherwise, any series +// of * is equivalent to a single *. Globstar behavior is enabled by +// default, and can be disabled by setting options.noglobstar. +Minimatch.prototype.parse = parse +var SUBPARSE = {} +function parse (pattern, isSub) { + if (pattern.length > 1024 * 64) { + throw new TypeError('pattern is too long') + } + + var options = this.options + + // shortcuts + if (!options.noglobstar && pattern === '**') return GLOBSTAR + if (pattern === '') return '' + + var re = '' + var hasMagic = !!options.nocase + var escaping = false + // ? => one single character + var patternListStack = [] + var negativeLists = [] + var stateChar + var inClass = false + var reClassStart = -1 + var classStart = -1 + // . and .. never match anything that doesn't start with ., + // even when options.dot is set. + var patternStart = pattern.charAt(0) === '.' ? '' // anything + // not (start or / followed by . or .. followed by / or end) + : options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))' + : '(?!\\.)' + var self = this + + function clearStateChar () { + if (stateChar) { + // we had some state-tracking character + // that wasn't consumed by this pass. + switch (stateChar) { + case '*': + re += star + hasMagic = true + break + case '?': + re += qmark + hasMagic = true + break + default: + re += '\\' + stateChar + break + } + self.debug('clearStateChar %j %j', stateChar, re) + stateChar = false + } + } + + for (var i = 0, len = pattern.length, c + ; (i < len) && (c = pattern.charAt(i)) + ; i++) { + this.debug('%s\t%s %s %j', pattern, i, re, c) + + // skip over any that are escaped. + if (escaping && reSpecials[c]) { + re += '\\' + c + escaping = false + continue + } + + switch (c) { + case '/': + // completely not allowed, even escaped. + // Should already be path-split by now. + return false + + case '\\': + clearStateChar() + escaping = true + continue + + // the various stateChar values + // for the "extglob" stuff. + case '?': + case '*': + case '+': + case '@': + case '!': + this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c) + + // all of those are literals inside a class, except that + // the glob [!a] means [^a] in regexp + if (inClass) { + this.debug(' in class') + if (c === '!' && i === classStart + 1) c = '^' + re += c + continue + } + + // if we already have a stateChar, then it means + // that there was something like ** or +? in there. + // Handle the stateChar, then proceed with this one. + self.debug('call clearStateChar %j', stateChar) + clearStateChar() + stateChar = c + // if extglob is disabled, then +(asdf|foo) isn't a thing. + // just clear the statechar *now*, rather than even diving into + // the patternList stuff. + if (options.noext) clearStateChar() + continue + + case '(': + if (inClass) { + re += '(' + continue + } + + if (!stateChar) { + re += '\\(' + continue + } + + patternListStack.push({ + type: stateChar, + start: i - 1, + reStart: re.length, + open: plTypes[stateChar].open, + close: plTypes[stateChar].close + }) + // negation is (?:(?!js)[^/]*) + re += stateChar === '!' ? '(?:(?!(?:' : '(?:' + this.debug('plType %j %j', stateChar, re) + stateChar = false + continue + + case ')': + if (inClass || !patternListStack.length) { + re += '\\)' + continue + } + + clearStateChar() + hasMagic = true + var pl = patternListStack.pop() + // negation is (?:(?!js)[^/]*) + // The others are (?:) + re += pl.close + if (pl.type === '!') { + negativeLists.push(pl) + } + pl.reEnd = re.length + continue + + case '|': + if (inClass || !patternListStack.length || escaping) { + re += '\\|' + escaping = false + continue + } + + clearStateChar() + re += '|' + continue + + // these are mostly the same in regexp and glob + case '[': + // swallow any state-tracking char before the [ + clearStateChar() + + if (inClass) { + re += '\\' + c + continue + } + + inClass = true + classStart = i + reClassStart = re.length + re += c + continue + + case ']': + // a right bracket shall lose its special + // meaning and represent itself in + // a bracket expression if it occurs + // first in the list. -- POSIX.2 2.8.3.2 + if (i === classStart + 1 || !inClass) { + re += '\\' + c + escaping = false + continue + } + + // handle the case where we left a class open. + // "[z-a]" is valid, equivalent to "\[z-a\]" + if (inClass) { + // split where the last [ was, make sure we don't have + // an invalid re. if so, re-walk the contents of the + // would-be class to re-translate any characters that + // were passed through as-is + // TODO: It would probably be faster to determine this + // without a try/catch and a new RegExp, but it's tricky + // to do safely. For now, this is safe and works. + var cs = pattern.substring(classStart + 1, i) + try { + RegExp('[' + cs + ']') + } catch (er) { + // not a valid class! + var sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]' + hasMagic = hasMagic || sp[1] + inClass = false + continue + } + } + + // finish up the class. + hasMagic = true + inClass = false + re += c + continue + + default: + // swallow any state char that wasn't consumed + clearStateChar() + + if (escaping) { + // no need + escaping = false + } else if (reSpecials[c] + && !(c === '^' && inClass)) { + re += '\\' + } + + re += c + + } // switch + } // for + + // handle the case where we left a class open. + // "[abc" is valid, equivalent to "\[abc" + if (inClass) { + // split where the last [ was, and escape it + // this is a huge pita. We now have to re-walk + // the contents of the would-be class to re-translate + // any characters that were passed through as-is + cs = pattern.substr(classStart + 1) + sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + hasMagic = hasMagic || sp[1] + } + + // handle the case where we had a +( thing at the *end* + // of the pattern. + // each pattern list stack adds 3 chars, and we need to go through + // and escape any | chars that were passed through as-is for the regexp. + // Go through and escape them, taking care not to double-escape any + // | chars that were already escaped. + for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) { + var tail = re.slice(pl.reStart + pl.open.length) + this.debug('setting tail', re, pl) + // maybe some even number of \, then maybe 1 \, followed by a | + tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) { + if (!$2) { + // the | isn't already escaped, so escape it. + $2 = '\\' + } + + // need to escape all those slashes *again*, without escaping the + // one that we need for escaping the | character. As it works out, + // escaping an even number of slashes can be done by simply repeating + // it exactly after itself. That's why this trick works. + // + // I am sorry that you have to see this. + return $1 + $1 + $2 + '|' + }) + + this.debug('tail=%j\n %s', tail, tail, pl, re) + var t = pl.type === '*' ? star + : pl.type === '?' ? qmark + : '\\' + pl.type + + hasMagic = true + re = re.slice(0, pl.reStart) + t + '\\(' + tail + } + + // handle trailing things that only matter at the very end. + clearStateChar() + if (escaping) { + // trailing \\ + re += '\\\\' + } + + // only need to apply the nodot start if the re starts with + // something that could conceivably capture a dot + var addPatternStart = false + switch (re.charAt(0)) { + case '.': + case '[': + case '(': addPatternStart = true + } + + // Hack to work around lack of negative lookbehind in JS + // A pattern like: *.!(x).!(y|z) needs to ensure that a name + // like 'a.xyz.yz' doesn't match. So, the first negative + // lookahead, has to look ALL the way ahead, to the end of + // the pattern. + for (var n = negativeLists.length - 1; n > -1; n--) { + var nl = negativeLists[n] + + var nlBefore = re.slice(0, nl.reStart) + var nlFirst = re.slice(nl.reStart, nl.reEnd - 8) + var nlLast = re.slice(nl.reEnd - 8, nl.reEnd) + var nlAfter = re.slice(nl.reEnd) + + nlLast += nlAfter + + // Handle nested stuff like *(*.js|!(*.json)), where open parens + // mean that we should *not* include the ) in the bit that is considered + // "after" the negated section. + var openParensBefore = nlBefore.split('(').length - 1 + var cleanAfter = nlAfter + for (i = 0; i < openParensBefore; i++) { + cleanAfter = cleanAfter.replace(/\)[+*?]?/, '') + } + nlAfter = cleanAfter + + var dollar = '' + if (nlAfter === '' && isSub !== SUBPARSE) { + dollar = '$' + } + var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast + re = newRe + } + + // if the re is not "" at this point, then we need to make sure + // it doesn't match against an empty path part. + // Otherwise a/* will match a/, which it should not. + if (re !== '' && hasMagic) { + re = '(?=.)' + re + } + + if (addPatternStart) { + re = patternStart + re + } + + // parsing just a piece of a larger pattern. + if (isSub === SUBPARSE) { + return [re, hasMagic] + } + + // skip the regexp for non-magical patterns + // unescape anything in it, though, so that it'll be + // an exact match against a file etc. + if (!hasMagic) { + return globUnescape(pattern) + } + + var flags = options.nocase ? 'i' : '' + try { + var regExp = new RegExp('^' + re + '$', flags) + } catch (er) { + // If it was an invalid regular expression, then it can't match + // anything. This trick looks for a character after the end of + // the string, which is of course impossible, except in multi-line + // mode, but it's not a /m regex. + return new RegExp('$.') + } + + regExp._glob = pattern + regExp._src = re + + return regExp +} + +minimatch.makeRe = function (pattern, options) { + return new Minimatch(pattern, options || {}).makeRe() +} + +Minimatch.prototype.makeRe = makeRe +function makeRe () { + if (this.regexp || this.regexp === false) return this.regexp + + // at this point, this.set is a 2d array of partial + // pattern strings, or "**". + // + // It's better to use .match(). This function shouldn't + // be used, really, but it's pretty convenient sometimes, + // when you just want to work with a regex. + var set = this.set + + if (!set.length) { + this.regexp = false + return this.regexp + } + var options = this.options + + var twoStar = options.noglobstar ? star + : options.dot ? twoStarDot + : twoStarNoDot + var flags = options.nocase ? 'i' : '' + + var re = set.map(function (pattern) { + return pattern.map(function (p) { + return (p === GLOBSTAR) ? twoStar + : (typeof p === 'string') ? regExpEscape(p) + : p._src + }).join('\\\/') + }).join('|') + + // must match entire pattern + // ending in a * or ** will make it less strict. + re = '^(?:' + re + ')$' + + // can match anything, as long as it's not this. + if (this.negate) re = '^(?!' + re + ').*$' + + try { + this.regexp = new RegExp(re, flags) + } catch (ex) { + this.regexp = false + } + return this.regexp +} + +minimatch.match = function (list, pattern, options) { + options = options || {} + var mm = new Minimatch(pattern, options) + list = list.filter(function (f) { + return mm.match(f) + }) + if (mm.options.nonull && !list.length) { + list.push(pattern) + } + return list +} + +Minimatch.prototype.match = match +function match (f, partial) { + this.debug('match', f, this.pattern) + // short-circuit in the case of busted things. + // comments, etc. + if (this.comment) return false + if (this.empty) return f === '' + + if (f === '/' && partial) return true + + var options = this.options + + // windows: need to use /, not \ + if (path.sep !== '/') { + f = f.split(path.sep).join('/') + } + + // treat the test path as a set of pathparts. + f = f.split(slashSplit) + this.debug(this.pattern, 'split', f) + + // just ONE of the pattern sets in this.set needs to match + // in order for it to be valid. If negating, then just one + // match means that we have failed. + // Either way, return on the first hit. + + var set = this.set + this.debug(this.pattern, 'set', set) + + // Find the basename of the path by looking for the last non-empty segment + var filename + var i + for (i = f.length - 1; i >= 0; i--) { + filename = f[i] + if (filename) break + } + + for (i = 0; i < set.length; i++) { + var pattern = set[i] + var file = f + if (options.matchBase && pattern.length === 1) { + file = [filename] + } + var hit = this.matchOne(file, pattern, partial) + if (hit) { + if (options.flipNegate) return true + return !this.negate + } + } + + // didn't get any hits. this is success if it's a negative + // pattern, failure otherwise. + if (options.flipNegate) return false + return this.negate +} + +// set partial to true to test if, for example, +// "/a/b" matches the start of "/*/b/*/d" +// Partial means, if you run out of file before you run +// out of pattern, then that's fine, as long as all +// the parts match. +Minimatch.prototype.matchOne = function (file, pattern, partial) { + var options = this.options + + this.debug('matchOne', + { 'this': this, file: file, pattern: pattern }) + + this.debug('matchOne', file.length, pattern.length) + + for (var fi = 0, + pi = 0, + fl = file.length, + pl = pattern.length + ; (fi < fl) && (pi < pl) + ; fi++, pi++) { + this.debug('matchOne loop') + var p = pattern[pi] + var f = file[fi] + + this.debug(pattern, p, f) + + // should be impossible. + // some invalid regexp stuff in the set. + if (p === false) return false + + if (p === GLOBSTAR) { + this.debug('GLOBSTAR', [pattern, p, f]) + + // "**" + // a/**/b/**/c would match the following: + // a/b/x/y/z/c + // a/x/y/z/b/c + // a/b/x/b/x/c + // a/b/c + // To do this, take the rest of the pattern after + // the **, and see if it would match the file remainder. + // If so, return success. + // If not, the ** "swallows" a segment, and try again. + // This is recursively awful. + // + // a/**/b/**/c matching a/b/x/y/z/c + // - a matches a + // - doublestar + // - matchOne(b/x/y/z/c, b/**/c) + // - b matches b + // - doublestar + // - matchOne(x/y/z/c, c) -> no + // - matchOne(y/z/c, c) -> no + // - matchOne(z/c, c) -> no + // - matchOne(c, c) yes, hit + var fr = fi + var pr = pi + 1 + if (pr === pl) { + this.debug('** at the end') + // a ** at the end will just swallow the rest. + // We have found a match. + // however, it will not swallow /.x, unless + // options.dot is set. + // . and .. are *never* matched by **, for explosively + // exponential reasons. + for (; fi < fl; fi++) { + if (file[fi] === '.' || file[fi] === '..' || + (!options.dot && file[fi].charAt(0) === '.')) return false + } + return true + } + + // ok, let's see if we can swallow whatever we can. + while (fr < fl) { + var swallowee = file[fr] + + this.debug('\nglobstar while', file, fr, pattern, pr, swallowee) + + // XXX remove this slice. Just pass the start index. + if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) { + this.debug('globstar found match!', fr, fl, swallowee) + // found a match. + return true + } else { + // can't swallow "." or ".." ever. + // can only swallow ".foo" when explicitly asked. + if (swallowee === '.' || swallowee === '..' || + (!options.dot && swallowee.charAt(0) === '.')) { + this.debug('dot detected!', file, fr, pattern, pr) + break + } + + // ** swallows a segment, and continue. + this.debug('globstar swallow a segment, and continue') + fr++ + } + } + + // no match was found. + // However, in partial mode, we can't say this is necessarily over. + // If there's more *pattern* left, then + if (partial) { + // ran out of file + this.debug('\n>>> no match, partial?', file, fr, pattern, pr) + if (fr === fl) return true + } + return false + } + + // something other than ** + // non-magic patterns just have to match exactly + // patterns with magic have been turned into regexps. + var hit + if (typeof p === 'string') { + if (options.nocase) { + hit = f.toLowerCase() === p.toLowerCase() + } else { + hit = f === p + } + this.debug('string match', p, f, hit) + } else { + hit = f.match(p) + this.debug('pattern match', p, f, hit) + } + + if (!hit) return false + } + + // Note: ending in / means that we'll get a final "" + // at the end of the pattern. This can only match a + // corresponding "" at the end of the file. + // If the file ends in /, then it can only match a + // a pattern that ends in /, unless the pattern just + // doesn't have any more for it. But, a/b/ should *not* + // match "a/b/*", even though "" matches against the + // [^/]*? pattern, except in partial mode, where it might + // simply not be reached yet. + // However, a/b/ should still satisfy a/* + + // now either we fell off the end of the pattern, or we're done. + if (fi === fl && pi === pl) { + // ran out of pattern and filename at the same time. + // an exact hit! + return true + } else if (fi === fl) { + // ran out of file, but still had pattern left. + // this is ok if we're doing the match as part of + // a glob fs traversal. + return partial + } else if (pi === pl) { + // ran out of pattern, still have file left. + // this is only acceptable if we're on the very last + // empty segment of a file with a trailing slash. + // a/* should match a/b/ + var emptyFileEnd = (fi === fl - 1) && (file[fi] === '') + return emptyFileEnd + } + + // should be unreachable. + throw new Error('wtf?') +} + +// replace stuff like \* with * +function globUnescape (s) { + return s.replace(/\\(.)/g, '$1') +} + +function regExpEscape (s) { + return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&') +} + +},{"brace-expansion":11,"path":22}],21:[function(require,module,exports){ +var wrappy = require('wrappy') +module.exports = wrappy(once) +module.exports.strict = wrappy(onceStrict) + +once.proto = once(function () { + Object.defineProperty(Function.prototype, 'once', { + value: function () { + return once(this) + }, + configurable: true + }) + + Object.defineProperty(Function.prototype, 'onceStrict', { + value: function () { + return onceStrict(this) + }, + configurable: true + }) +}) + +function once (fn) { + var f = function () { + if (f.called) return f.value + f.called = true + return f.value = fn.apply(this, arguments) + } + f.called = false + return f +} + +function onceStrict (fn) { + var f = function () { + if (f.called) + throw new Error(f.onceError) + f.called = true + return f.value = fn.apply(this, arguments) + } + var name = fn.name || 'Function wrapped with `once`' + f.onceError = name + " shouldn't be called more than once" + f.called = false + return f +} + +},{"wrappy":29}],22:[function(require,module,exports){ +(function (process){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// resolves . and .. elements in a path array with directory names there +// must be no slashes, empty elements, or device names (c:\) in the array +// (so also no leading and trailing slashes - it does not distinguish +// relative and absolute paths) +function normalizeArray(parts, allowAboveRoot) { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up--; up) { + parts.unshift('..'); + } + } + + return parts; +} + +// Split a filename into [root, dir, basename, ext], unix version +// 'root' is just a slash, or nothing. +var splitPathRe = + /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; +var splitPath = function(filename) { + return splitPathRe.exec(filename).slice(1); +}; + +// path.resolve([from ...], to) +// posix version +exports.resolve = function() { + var resolvedPath = '', + resolvedAbsolute = false; + + for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? arguments[i] : process.cwd(); + + // Skip empty and invalid entries + if (typeof path !== 'string') { + throw new TypeError('Arguments to path.resolve must be strings'); + } else if (!path) { + continue; + } + + resolvedPath = path + '/' + resolvedPath; + resolvedAbsolute = path.charAt(0) === '/'; + } + + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when process.cwd() fails) + + // Normalize the path + resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) { + return !!p; + }), !resolvedAbsolute).join('/'); + + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; +}; + +// path.normalize(path) +// posix version +exports.normalize = function(path) { + var isAbsolute = exports.isAbsolute(path), + trailingSlash = substr(path, -1) === '/'; + + // Normalize the path + path = normalizeArray(filter(path.split('/'), function(p) { + return !!p; + }), !isAbsolute).join('/'); + + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + + return (isAbsolute ? '/' : '') + path; +}; + +// posix version +exports.isAbsolute = function(path) { + return path.charAt(0) === '/'; +}; + +// posix version +exports.join = function() { + var paths = Array.prototype.slice.call(arguments, 0); + return exports.normalize(filter(paths, function(p, index) { + if (typeof p !== 'string') { + throw new TypeError('Arguments to path.join must be strings'); + } + return p; + }).join('/')); +}; + + +// path.relative(from, to) +// posix version +exports.relative = function(from, to) { + from = exports.resolve(from).substr(1); + to = exports.resolve(to).substr(1); + + function trim(arr) { + var start = 0; + for (; start < arr.length; start++) { + if (arr[start] !== '') break; + } + + var end = arr.length - 1; + for (; end >= 0; end--) { + if (arr[end] !== '') break; + } + + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + + var fromParts = trim(from.split('/')); + var toParts = trim(to.split('/')); + + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push('..'); + } + + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + + return outputParts.join('/'); +}; + +exports.sep = '/'; +exports.delimiter = ':'; + +exports.dirname = function(path) { + var result = splitPath(path), + root = result[0], + dir = result[1]; + + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + + return root + dir; +}; + + +exports.basename = function(path, ext) { + var f = splitPath(path)[2]; + // TODO: make this comparison case-insensitive on windows? + if (ext && f.substr(-1 * ext.length) === ext) { + f = f.substr(0, f.length - ext.length); + } + return f; +}; + + +exports.extname = function(path) { + return splitPath(path)[3]; +}; + +function filter (xs, f) { + if (xs.filter) return xs.filter(f); + var res = []; + for (var i = 0; i < xs.length; i++) { + if (f(xs[i], i, xs)) res.push(xs[i]); + } + return res; +} + +// String.prototype.substr - negative index don't work in IE8 +var substr = 'ab'.substr(-1) === 'b' + ? function (str, start, len) { return str.substr(start, len) } + : function (str, start, len) { + if (start < 0) start = str.length + start; + return str.substr(start, len); + } +; + +}).call(this,require('_process')) +},{"_process":24}],23:[function(require,module,exports){ +(function (process){ +'use strict'; + +function posix(path) { + return path.charAt(0) === '/'; +} + +function win32(path) { + // https://github.com/nodejs/node/blob/b3fcc245fb25539909ef1d5eaa01dbf92e168633/lib/path.js#L56 + var splitDeviceRe = /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/; + var result = splitDeviceRe.exec(path); + var device = result[1] || ''; + var isUnc = Boolean(device && device.charAt(1) !== ':'); + + // UNC paths are always absolute + return Boolean(result[2] || isUnc); +} + +module.exports = process.platform === 'win32' ? win32 : posix; +module.exports.posix = posix; +module.exports.win32 = win32; + +}).call(this,require('_process')) +},{"_process":24}],24:[function(require,module,exports){ +// shim for using process in browser +var process = module.exports = {}; + +// cached from whatever global is present so that test runners that stub it +// don't break things. But we need to wrap it in a try catch in case it is +// wrapped in strict mode code which doesn't define any globals. It's inside a +// function because try/catches deoptimize in certain engines. + +var cachedSetTimeout; +var cachedClearTimeout; + +function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); +} +function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); +} +(function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } +} ()) +function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + +} +function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + +} +var queue = []; +var draining = false; +var currentQueue; +var queueIndex = -1; + +function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } +} + +function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); +} + +process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; + +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; + +process.listeners = function (name) { return [] } + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; + +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; + +},{}],25:[function(require,module,exports){ +// Underscore.js 1.8.3 +// http://underscorejs.org +// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors +// Underscore may be freely distributed under the MIT license. + +(function() { + + // Baseline setup + // -------------- + + // Establish the root object, `window` in the browser, or `exports` on the server. + var root = this; + + // Save the previous value of the `_` variable. + var previousUnderscore = root._; + + // Save bytes in the minified (but not gzipped) version: + var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; + + // Create quick reference variables for speed access to core prototypes. + var + push = ArrayProto.push, + slice = ArrayProto.slice, + toString = ObjProto.toString, + hasOwnProperty = ObjProto.hasOwnProperty; + + // All **ECMAScript 5** native function implementations that we hope to use + // are declared here. + var + nativeIsArray = Array.isArray, + nativeKeys = Object.keys, + nativeBind = FuncProto.bind, + nativeCreate = Object.create; + + // Naked function reference for surrogate-prototype-swapping. + var Ctor = function(){}; + + // Create a safe reference to the Underscore object for use below. + var _ = function(obj) { + if (obj instanceof _) return obj; + if (!(this instanceof _)) return new _(obj); + this._wrapped = obj; + }; + + // Export the Underscore object for **Node.js**, with + // backwards-compatibility for the old `require()` API. If we're in + // the browser, add `_` as a global object. + if (typeof exports !== 'undefined') { + if (typeof module !== 'undefined' && module.exports) { + exports = module.exports = _; + } + exports._ = _; + } else { + root._ = _; + } + + // Current version. + _.VERSION = '1.8.3'; + + // Internal function that returns an efficient (for current engines) version + // of the passed-in callback, to be repeatedly applied in other Underscore + // functions. + var optimizeCb = function(func, context, argCount) { + if (context === void 0) return func; + switch (argCount == null ? 3 : argCount) { + case 1: return function(value) { + return func.call(context, value); + }; + case 2: return function(value, other) { + return func.call(context, value, other); + }; + case 3: return function(value, index, collection) { + return func.call(context, value, index, collection); + }; + case 4: return function(accumulator, value, index, collection) { + return func.call(context, accumulator, value, index, collection); + }; + } + return function() { + return func.apply(context, arguments); + }; + }; + + // A mostly-internal function to generate callbacks that can be applied + // to each element in a collection, returning the desired result — either + // identity, an arbitrary callback, a property matcher, or a property accessor. + var cb = function(value, context, argCount) { + if (value == null) return _.identity; + if (_.isFunction(value)) return optimizeCb(value, context, argCount); + if (_.isObject(value)) return _.matcher(value); + return _.property(value); + }; + _.iteratee = function(value, context) { + return cb(value, context, Infinity); + }; + + // An internal function for creating assigner functions. + var createAssigner = function(keysFunc, undefinedOnly) { + return function(obj) { + var length = arguments.length; + if (length < 2 || obj == null) return obj; + for (var index = 1; index < length; index++) { + var source = arguments[index], + keys = keysFunc(source), + l = keys.length; + for (var i = 0; i < l; i++) { + var key = keys[i]; + if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key]; + } + } + return obj; + }; + }; + + // An internal function for creating a new object that inherits from another. + var baseCreate = function(prototype) { + if (!_.isObject(prototype)) return {}; + if (nativeCreate) return nativeCreate(prototype); + Ctor.prototype = prototype; + var result = new Ctor; + Ctor.prototype = null; + return result; + }; + + var property = function(key) { + return function(obj) { + return obj == null ? void 0 : obj[key]; + }; + }; + + // Helper for collection methods to determine whether a collection + // should be iterated as an array or as an object + // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength + // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094 + var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1; + var getLength = property('length'); + var isArrayLike = function(collection) { + var length = getLength(collection); + return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX; + }; + + // Collection Functions + // -------------------- + + // The cornerstone, an `each` implementation, aka `forEach`. + // Handles raw objects in addition to array-likes. Treats all + // sparse array-likes as if they were dense. + _.each = _.forEach = function(obj, iteratee, context) { + iteratee = optimizeCb(iteratee, context); + var i, length; + if (isArrayLike(obj)) { + for (i = 0, length = obj.length; i < length; i++) { + iteratee(obj[i], i, obj); + } + } else { + var keys = _.keys(obj); + for (i = 0, length = keys.length; i < length; i++) { + iteratee(obj[keys[i]], keys[i], obj); + } + } + return obj; + }; + + // Return the results of applying the iteratee to each element. + _.map = _.collect = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + results = Array(length); + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + results[index] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Create a reducing function iterating left or right. + function createReduce(dir) { + // Optimized iterator function as using arguments.length + // in the main function will deoptimize the, see #1991. + function iterator(obj, iteratee, memo, keys, index, length) { + for (; index >= 0 && index < length; index += dir) { + var currentKey = keys ? keys[index] : index; + memo = iteratee(memo, obj[currentKey], currentKey, obj); + } + return memo; + } + + return function(obj, iteratee, memo, context) { + iteratee = optimizeCb(iteratee, context, 4); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + index = dir > 0 ? 0 : length - 1; + // Determine the initial value if none is provided. + if (arguments.length < 3) { + memo = obj[keys ? keys[index] : index]; + index += dir; + } + return iterator(obj, iteratee, memo, keys, index, length); + }; + } + + // **Reduce** builds up a single result from a list of values, aka `inject`, + // or `foldl`. + _.reduce = _.foldl = _.inject = createReduce(1); + + // The right-associative version of reduce, also known as `foldr`. + _.reduceRight = _.foldr = createReduce(-1); + + // Return the first value which passes a truth test. Aliased as `detect`. + _.find = _.detect = function(obj, predicate, context) { + var key; + if (isArrayLike(obj)) { + key = _.findIndex(obj, predicate, context); + } else { + key = _.findKey(obj, predicate, context); + } + if (key !== void 0 && key !== -1) return obj[key]; + }; + + // Return all the elements that pass a truth test. + // Aliased as `select`. + _.filter = _.select = function(obj, predicate, context) { + var results = []; + predicate = cb(predicate, context); + _.each(obj, function(value, index, list) { + if (predicate(value, index, list)) results.push(value); + }); + return results; + }; + + // Return all the elements for which a truth test fails. + _.reject = function(obj, predicate, context) { + return _.filter(obj, _.negate(cb(predicate)), context); + }; + + // Determine whether all of the elements match a truth test. + // Aliased as `all`. + _.every = _.all = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (!predicate(obj[currentKey], currentKey, obj)) return false; + } + return true; + }; + + // Determine if at least one element in the object matches a truth test. + // Aliased as `any`. + _.some = _.any = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (predicate(obj[currentKey], currentKey, obj)) return true; + } + return false; + }; + + // Determine if the array or object contains a given item (using `===`). + // Aliased as `includes` and `include`. + _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + if (typeof fromIndex != 'number' || guard) fromIndex = 0; + return _.indexOf(obj, item, fromIndex) >= 0; + }; + + // Invoke a method (with arguments) on every item in a collection. + _.invoke = function(obj, method) { + var args = slice.call(arguments, 2); + var isFunc = _.isFunction(method); + return _.map(obj, function(value) { + var func = isFunc ? method : value[method]; + return func == null ? func : func.apply(value, args); + }); + }; + + // Convenience version of a common use case of `map`: fetching a property. + _.pluck = function(obj, key) { + return _.map(obj, _.property(key)); + }; + + // Convenience version of a common use case of `filter`: selecting only objects + // containing specific `key:value` pairs. + _.where = function(obj, attrs) { + return _.filter(obj, _.matcher(attrs)); + }; + + // Convenience version of a common use case of `find`: getting the first object + // containing specific `key:value` pairs. + _.findWhere = function(obj, attrs) { + return _.find(obj, _.matcher(attrs)); + }; + + // Return the maximum element (or element-based computation). + _.max = function(obj, iteratee, context) { + var result = -Infinity, lastComputed = -Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value > result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed > lastComputed || computed === -Infinity && result === -Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Return the minimum element (or element-based computation). + _.min = function(obj, iteratee, context) { + var result = Infinity, lastComputed = Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value < result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed < lastComputed || computed === Infinity && result === Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Shuffle a collection, using the modern version of the + // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). + _.shuffle = function(obj) { + var set = isArrayLike(obj) ? obj : _.values(obj); + var length = set.length; + var shuffled = Array(length); + for (var index = 0, rand; index < length; index++) { + rand = _.random(0, index); + if (rand !== index) shuffled[index] = shuffled[rand]; + shuffled[rand] = set[index]; + } + return shuffled; + }; + + // Sample **n** random values from a collection. + // If **n** is not specified, returns a single random element. + // The internal `guard` argument allows it to work with `map`. + _.sample = function(obj, n, guard) { + if (n == null || guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + return obj[_.random(obj.length - 1)]; + } + return _.shuffle(obj).slice(0, Math.max(0, n)); + }; + + // Sort the object's values by a criterion produced by an iteratee. + _.sortBy = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + return _.pluck(_.map(obj, function(value, index, list) { + return { + value: value, + index: index, + criteria: iteratee(value, index, list) + }; + }).sort(function(left, right) { + var a = left.criteria; + var b = right.criteria; + if (a !== b) { + if (a > b || a === void 0) return 1; + if (a < b || b === void 0) return -1; + } + return left.index - right.index; + }), 'value'); + }; + + // An internal function used for aggregate "group by" operations. + var group = function(behavior) { + return function(obj, iteratee, context) { + var result = {}; + iteratee = cb(iteratee, context); + _.each(obj, function(value, index) { + var key = iteratee(value, index, obj); + behavior(result, value, key); + }); + return result; + }; + }; + + // Groups the object's values by a criterion. Pass either a string attribute + // to group by, or a function that returns the criterion. + _.groupBy = group(function(result, value, key) { + if (_.has(result, key)) result[key].push(value); else result[key] = [value]; + }); + + // Indexes the object's values by a criterion, similar to `groupBy`, but for + // when you know that your index values will be unique. + _.indexBy = group(function(result, value, key) { + result[key] = value; + }); + + // Counts instances of an object that group by a certain criterion. Pass + // either a string attribute to count by, or a function that returns the + // criterion. + _.countBy = group(function(result, value, key) { + if (_.has(result, key)) result[key]++; else result[key] = 1; + }); + + // Safely create a real, live array from anything iterable. + _.toArray = function(obj) { + if (!obj) return []; + if (_.isArray(obj)) return slice.call(obj); + if (isArrayLike(obj)) return _.map(obj, _.identity); + return _.values(obj); + }; + + // Return the number of elements in an object. + _.size = function(obj) { + if (obj == null) return 0; + return isArrayLike(obj) ? obj.length : _.keys(obj).length; + }; + + // Split a collection into two arrays: one whose elements all satisfy the given + // predicate, and one whose elements all do not satisfy the predicate. + _.partition = function(obj, predicate, context) { + predicate = cb(predicate, context); + var pass = [], fail = []; + _.each(obj, function(value, key, obj) { + (predicate(value, key, obj) ? pass : fail).push(value); + }); + return [pass, fail]; + }; + + // Array Functions + // --------------- + + // Get the first element of an array. Passing **n** will return the first N + // values in the array. Aliased as `head` and `take`. The **guard** check + // allows it to work with `_.map`. + _.first = _.head = _.take = function(array, n, guard) { + if (array == null) return void 0; + if (n == null || guard) return array[0]; + return _.initial(array, array.length - n); + }; + + // Returns everything but the last entry of the array. Especially useful on + // the arguments object. Passing **n** will return all the values in + // the array, excluding the last N. + _.initial = function(array, n, guard) { + return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n))); + }; + + // Get the last element of an array. Passing **n** will return the last N + // values in the array. + _.last = function(array, n, guard) { + if (array == null) return void 0; + if (n == null || guard) return array[array.length - 1]; + return _.rest(array, Math.max(0, array.length - n)); + }; + + // Returns everything but the first entry of the array. Aliased as `tail` and `drop`. + // Especially useful on the arguments object. Passing an **n** will return + // the rest N values in the array. + _.rest = _.tail = _.drop = function(array, n, guard) { + return slice.call(array, n == null || guard ? 1 : n); + }; + + // Trim out all falsy values from an array. + _.compact = function(array) { + return _.filter(array, _.identity); + }; + + // Internal implementation of a recursive `flatten` function. + var flatten = function(input, shallow, strict, startIndex) { + var output = [], idx = 0; + for (var i = startIndex || 0, length = getLength(input); i < length; i++) { + var value = input[i]; + if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) { + //flatten current level of array or arguments object + if (!shallow) value = flatten(value, shallow, strict); + var j = 0, len = value.length; + output.length += len; + while (j < len) { + output[idx++] = value[j++]; + } + } else if (!strict) { + output[idx++] = value; + } + } + return output; + }; + + // Flatten out an array, either recursively (by default), or just one level. + _.flatten = function(array, shallow) { + return flatten(array, shallow, false); + }; + + // Return a version of the array that does not contain the specified value(s). + _.without = function(array) { + return _.difference(array, slice.call(arguments, 1)); + }; + + // Produce a duplicate-free version of the array. If the array has already + // been sorted, you have the option of using a faster algorithm. + // Aliased as `unique`. + _.uniq = _.unique = function(array, isSorted, iteratee, context) { + if (!_.isBoolean(isSorted)) { + context = iteratee; + iteratee = isSorted; + isSorted = false; + } + if (iteratee != null) iteratee = cb(iteratee, context); + var result = []; + var seen = []; + for (var i = 0, length = getLength(array); i < length; i++) { + var value = array[i], + computed = iteratee ? iteratee(value, i, array) : value; + if (isSorted) { + if (!i || seen !== computed) result.push(value); + seen = computed; + } else if (iteratee) { + if (!_.contains(seen, computed)) { + seen.push(computed); + result.push(value); + } + } else if (!_.contains(result, value)) { + result.push(value); + } + } + return result; + }; + + // Produce an array that contains the union: each distinct element from all of + // the passed-in arrays. + _.union = function() { + return _.uniq(flatten(arguments, true, true)); + }; + + // Produce an array that contains every item shared between all the + // passed-in arrays. + _.intersection = function(array) { + var result = []; + var argsLength = arguments.length; + for (var i = 0, length = getLength(array); i < length; i++) { + var item = array[i]; + if (_.contains(result, item)) continue; + for (var j = 1; j < argsLength; j++) { + if (!_.contains(arguments[j], item)) break; + } + if (j === argsLength) result.push(item); + } + return result; + }; + + // Take the difference between one array and a number of other arrays. + // Only the elements present in just the first array will remain. + _.difference = function(array) { + var rest = flatten(arguments, true, true, 1); + return _.filter(array, function(value){ + return !_.contains(rest, value); + }); + }; + + // Zip together multiple lists into a single array -- elements that share + // an index go together. + _.zip = function() { + return _.unzip(arguments); + }; + + // Complement of _.zip. Unzip accepts an array of arrays and groups + // each array's elements on shared indices + _.unzip = function(array) { + var length = array && _.max(array, getLength).length || 0; + var result = Array(length); + + for (var index = 0; index < length; index++) { + result[index] = _.pluck(array, index); + } + return result; + }; + + // Converts lists into objects. Pass either a single array of `[key, value]` + // pairs, or two parallel arrays of the same length -- one of keys, and one of + // the corresponding values. + _.object = function(list, values) { + var result = {}; + for (var i = 0, length = getLength(list); i < length; i++) { + if (values) { + result[list[i]] = values[i]; + } else { + result[list[i][0]] = list[i][1]; + } + } + return result; + }; + + // Generator function to create the findIndex and findLastIndex functions + function createPredicateIndexFinder(dir) { + return function(array, predicate, context) { + predicate = cb(predicate, context); + var length = getLength(array); + var index = dir > 0 ? 0 : length - 1; + for (; index >= 0 && index < length; index += dir) { + if (predicate(array[index], index, array)) return index; + } + return -1; + }; + } + + // Returns the first index on an array-like that passes a predicate test + _.findIndex = createPredicateIndexFinder(1); + _.findLastIndex = createPredicateIndexFinder(-1); + + // Use a comparator function to figure out the smallest index at which + // an object should be inserted so as to maintain order. Uses binary search. + _.sortedIndex = function(array, obj, iteratee, context) { + iteratee = cb(iteratee, context, 1); + var value = iteratee(obj); + var low = 0, high = getLength(array); + while (low < high) { + var mid = Math.floor((low + high) / 2); + if (iteratee(array[mid]) < value) low = mid + 1; else high = mid; + } + return low; + }; + + // Generator function to create the indexOf and lastIndexOf functions + function createIndexFinder(dir, predicateFind, sortedIndex) { + return function(array, item, idx) { + var i = 0, length = getLength(array); + if (typeof idx == 'number') { + if (dir > 0) { + i = idx >= 0 ? idx : Math.max(idx + length, i); + } else { + length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1; + } + } else if (sortedIndex && idx && length) { + idx = sortedIndex(array, item); + return array[idx] === item ? idx : -1; + } + if (item !== item) { + idx = predicateFind(slice.call(array, i, length), _.isNaN); + return idx >= 0 ? idx + i : -1; + } + for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) { + if (array[idx] === item) return idx; + } + return -1; + }; + } + + // Return the position of the first occurrence of an item in an array, + // or -1 if the item is not included in the array. + // If the array is large and already in sort order, pass `true` + // for **isSorted** to use binary search. + _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex); + _.lastIndexOf = createIndexFinder(-1, _.findLastIndex); + + // Generate an integer Array containing an arithmetic progression. A port of + // the native Python `range()` function. See + // [the Python documentation](http://docs.python.org/library/functions.html#range). + _.range = function(start, stop, step) { + if (stop == null) { + stop = start || 0; + start = 0; + } + step = step || 1; + + var length = Math.max(Math.ceil((stop - start) / step), 0); + var range = Array(length); + + for (var idx = 0; idx < length; idx++, start += step) { + range[idx] = start; + } + + return range; + }; + + // Function (ahem) Functions + // ------------------ + + // Determines whether to execute a function as a constructor + // or a normal function with the provided arguments + var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) { + if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args); + var self = baseCreate(sourceFunc.prototype); + var result = sourceFunc.apply(self, args); + if (_.isObject(result)) return result; + return self; + }; + + // Create a function bound to a given object (assigning `this`, and arguments, + // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if + // available. + _.bind = function(func, context) { + if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); + if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function'); + var args = slice.call(arguments, 2); + var bound = function() { + return executeBound(func, bound, context, this, args.concat(slice.call(arguments))); + }; + return bound; + }; + + // Partially apply a function by creating a version that has had some of its + // arguments pre-filled, without changing its dynamic `this` context. _ acts + // as a placeholder, allowing any combination of arguments to be pre-filled. + _.partial = function(func) { + var boundArgs = slice.call(arguments, 1); + var bound = function() { + var position = 0, length = boundArgs.length; + var args = Array(length); + for (var i = 0; i < length; i++) { + args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i]; + } + while (position < arguments.length) args.push(arguments[position++]); + return executeBound(func, bound, this, this, args); + }; + return bound; + }; + + // Bind a number of an object's methods to that object. Remaining arguments + // are the method names to be bound. Useful for ensuring that all callbacks + // defined on an object belong to it. + _.bindAll = function(obj) { + var i, length = arguments.length, key; + if (length <= 1) throw new Error('bindAll must be passed function names'); + for (i = 1; i < length; i++) { + key = arguments[i]; + obj[key] = _.bind(obj[key], obj); + } + return obj; + }; + + // Memoize an expensive function by storing its results. + _.memoize = function(func, hasher) { + var memoize = function(key) { + var cache = memoize.cache; + var address = '' + (hasher ? hasher.apply(this, arguments) : key); + if (!_.has(cache, address)) cache[address] = func.apply(this, arguments); + return cache[address]; + }; + memoize.cache = {}; + return memoize; + }; + + // Delays a function for the given number of milliseconds, and then calls + // it with the arguments supplied. + _.delay = function(func, wait) { + var args = slice.call(arguments, 2); + return setTimeout(function(){ + return func.apply(null, args); + }, wait); + }; + + // Defers a function, scheduling it to run after the current call stack has + // cleared. + _.defer = _.partial(_.delay, _, 1); + + // Returns a function, that, when invoked, will only be triggered at most once + // during a given window of time. Normally, the throttled function will run + // as much as it can, without ever going more than once per `wait` duration; + // but if you'd like to disable the execution on the leading edge, pass + // `{leading: false}`. To disable execution on the trailing edge, ditto. + _.throttle = function(func, wait, options) { + var context, args, result; + var timeout = null; + var previous = 0; + if (!options) options = {}; + var later = function() { + previous = options.leading === false ? 0 : _.now(); + timeout = null; + result = func.apply(context, args); + if (!timeout) context = args = null; + }; + return function() { + var now = _.now(); + if (!previous && options.leading === false) previous = now; + var remaining = wait - (now - previous); + context = this; + args = arguments; + if (remaining <= 0 || remaining > wait) { + if (timeout) { + clearTimeout(timeout); + timeout = null; + } + previous = now; + result = func.apply(context, args); + if (!timeout) context = args = null; + } else if (!timeout && options.trailing !== false) { + timeout = setTimeout(later, remaining); + } + return result; + }; + }; + + // Returns a function, that, as long as it continues to be invoked, will not + // be triggered. The function will be called after it stops being called for + // N milliseconds. If `immediate` is passed, trigger the function on the + // leading edge, instead of the trailing. + _.debounce = function(func, wait, immediate) { + var timeout, args, context, timestamp, result; + + var later = function() { + var last = _.now() - timestamp; + + if (last < wait && last >= 0) { + timeout = setTimeout(later, wait - last); + } else { + timeout = null; + if (!immediate) { + result = func.apply(context, args); + if (!timeout) context = args = null; + } + } + }; + + return function() { + context = this; + args = arguments; + timestamp = _.now(); + var callNow = immediate && !timeout; + if (!timeout) timeout = setTimeout(later, wait); + if (callNow) { + result = func.apply(context, args); + context = args = null; + } + + return result; + }; + }; + + // Returns the first function passed as an argument to the second, + // allowing you to adjust arguments, run code before and after, and + // conditionally execute the original function. + _.wrap = function(func, wrapper) { + return _.partial(wrapper, func); + }; + + // Returns a negated version of the passed-in predicate. + _.negate = function(predicate) { + return function() { + return !predicate.apply(this, arguments); + }; + }; + + // Returns a function that is the composition of a list of functions, each + // consuming the return value of the function that follows. + _.compose = function() { + var args = arguments; + var start = args.length - 1; + return function() { + var i = start; + var result = args[start].apply(this, arguments); + while (i--) result = args[i].call(this, result); + return result; + }; + }; + + // Returns a function that will only be executed on and after the Nth call. + _.after = function(times, func) { + return function() { + if (--times < 1) { + return func.apply(this, arguments); + } + }; + }; + + // Returns a function that will only be executed up to (but not including) the Nth call. + _.before = function(times, func) { + var memo; + return function() { + if (--times > 0) { + memo = func.apply(this, arguments); + } + if (times <= 1) func = null; + return memo; + }; + }; + + // Returns a function that will be executed at most one time, no matter how + // often you call it. Useful for lazy initialization. + _.once = _.partial(_.before, 2); + + // Object Functions + // ---------------- + + // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed. + var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString'); + var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString', + 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; + + function collectNonEnumProps(obj, keys) { + var nonEnumIdx = nonEnumerableProps.length; + var constructor = obj.constructor; + var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto; + + // Constructor is a special case. + var prop = 'constructor'; + if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop); + + while (nonEnumIdx--) { + prop = nonEnumerableProps[nonEnumIdx]; + if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) { + keys.push(prop); + } + } + } + + // Retrieve the names of an object's own properties. + // Delegates to **ECMAScript 5**'s native `Object.keys` + _.keys = function(obj) { + if (!_.isObject(obj)) return []; + if (nativeKeys) return nativeKeys(obj); + var keys = []; + for (var key in obj) if (_.has(obj, key)) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve all the property names of an object. + _.allKeys = function(obj) { + if (!_.isObject(obj)) return []; + var keys = []; + for (var key in obj) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve the values of an object's properties. + _.values = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var values = Array(length); + for (var i = 0; i < length; i++) { + values[i] = obj[keys[i]]; + } + return values; + }; + + // Returns the results of applying the iteratee to each element of the object + // In contrast to _.map it returns an object + _.mapObject = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = _.keys(obj), + length = keys.length, + results = {}, + currentKey; + for (var index = 0; index < length; index++) { + currentKey = keys[index]; + results[currentKey] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Convert an object into a list of `[key, value]` pairs. + _.pairs = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var pairs = Array(length); + for (var i = 0; i < length; i++) { + pairs[i] = [keys[i], obj[keys[i]]]; + } + return pairs; + }; + + // Invert the keys and values of an object. The values must be serializable. + _.invert = function(obj) { + var result = {}; + var keys = _.keys(obj); + for (var i = 0, length = keys.length; i < length; i++) { + result[obj[keys[i]]] = keys[i]; + } + return result; + }; + + // Return a sorted list of the function names available on the object. + // Aliased as `methods` + _.functions = _.methods = function(obj) { + var names = []; + for (var key in obj) { + if (_.isFunction(obj[key])) names.push(key); + } + return names.sort(); + }; + + // Extend a given object with all the properties in passed-in object(s). + _.extend = createAssigner(_.allKeys); + + // Assigns a given object with all the own properties in the passed-in object(s) + // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) + _.extendOwn = _.assign = createAssigner(_.keys); + + // Returns the first key on an object that passes a predicate test + _.findKey = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = _.keys(obj), key; + for (var i = 0, length = keys.length; i < length; i++) { + key = keys[i]; + if (predicate(obj[key], key, obj)) return key; + } + }; + + // Return a copy of the object only containing the whitelisted properties. + _.pick = function(object, oiteratee, context) { + var result = {}, obj = object, iteratee, keys; + if (obj == null) return result; + if (_.isFunction(oiteratee)) { + keys = _.allKeys(obj); + iteratee = optimizeCb(oiteratee, context); + } else { + keys = flatten(arguments, false, false, 1); + iteratee = function(value, key, obj) { return key in obj; }; + obj = Object(obj); + } + for (var i = 0, length = keys.length; i < length; i++) { + var key = keys[i]; + var value = obj[key]; + if (iteratee(value, key, obj)) result[key] = value; + } + return result; + }; + + // Return a copy of the object without the blacklisted properties. + _.omit = function(obj, iteratee, context) { + if (_.isFunction(iteratee)) { + iteratee = _.negate(iteratee); + } else { + var keys = _.map(flatten(arguments, false, false, 1), String); + iteratee = function(value, key) { + return !_.contains(keys, key); + }; + } + return _.pick(obj, iteratee, context); + }; + + // Fill in a given object with default properties. + _.defaults = createAssigner(_.allKeys, true); + + // Creates an object that inherits from the given prototype object. + // If additional properties are provided then they will be added to the + // created object. + _.create = function(prototype, props) { + var result = baseCreate(prototype); + if (props) _.extendOwn(result, props); + return result; + }; + + // Create a (shallow-cloned) duplicate of an object. + _.clone = function(obj) { + if (!_.isObject(obj)) return obj; + return _.isArray(obj) ? obj.slice() : _.extend({}, obj); + }; + + // Invokes interceptor with the obj, and then returns obj. + // The primary purpose of this method is to "tap into" a method chain, in + // order to perform operations on intermediate results within the chain. + _.tap = function(obj, interceptor) { + interceptor(obj); + return obj; + }; + + // Returns whether an object has a given set of `key:value` pairs. + _.isMatch = function(object, attrs) { + var keys = _.keys(attrs), length = keys.length; + if (object == null) return !length; + var obj = Object(object); + for (var i = 0; i < length; i++) { + var key = keys[i]; + if (attrs[key] !== obj[key] || !(key in obj)) return false; + } + return true; + }; + + + // Internal recursive comparison function for `isEqual`. + var eq = function(a, b, aStack, bStack) { + // Identical objects are equal. `0 === -0`, but they aren't identical. + // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal). + if (a === b) return a !== 0 || 1 / a === 1 / b; + // A strict comparison is necessary because `null == undefined`. + if (a == null || b == null) return a === b; + // Unwrap any wrapped objects. + if (a instanceof _) a = a._wrapped; + if (b instanceof _) b = b._wrapped; + // Compare `[[Class]]` names. + var className = toString.call(a); + if (className !== toString.call(b)) return false; + switch (className) { + // Strings, numbers, regular expressions, dates, and booleans are compared by value. + case '[object RegExp]': + // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i') + case '[object String]': + // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is + // equivalent to `new String("5")`. + return '' + a === '' + b; + case '[object Number]': + // `NaN`s are equivalent, but non-reflexive. + // Object(NaN) is equivalent to NaN + if (+a !== +a) return +b !== +b; + // An `egal` comparison is performed for other numeric values. + return +a === 0 ? 1 / +a === 1 / b : +a === +b; + case '[object Date]': + case '[object Boolean]': + // Coerce dates and booleans to numeric primitive values. Dates are compared by their + // millisecond representations. Note that invalid dates with millisecond representations + // of `NaN` are not equivalent. + return +a === +b; + } + + var areArrays = className === '[object Array]'; + if (!areArrays) { + if (typeof a != 'object' || typeof b != 'object') return false; + + // Objects with different constructors are not equivalent, but `Object`s or `Array`s + // from different frames are. + var aCtor = a.constructor, bCtor = b.constructor; + if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor && + _.isFunction(bCtor) && bCtor instanceof bCtor) + && ('constructor' in a && 'constructor' in b)) { + return false; + } + } + // Assume equality for cyclic structures. The algorithm for detecting cyclic + // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`. + + // Initializing stack of traversed objects. + // It's done here since we only need them for objects and arrays comparison. + aStack = aStack || []; + bStack = bStack || []; + var length = aStack.length; + while (length--) { + // Linear search. Performance is inversely proportional to the number of + // unique nested structures. + if (aStack[length] === a) return bStack[length] === b; + } + + // Add the first object to the stack of traversed objects. + aStack.push(a); + bStack.push(b); + + // Recursively compare objects and arrays. + if (areArrays) { + // Compare array lengths to determine if a deep comparison is necessary. + length = a.length; + if (length !== b.length) return false; + // Deep compare the contents, ignoring non-numeric properties. + while (length--) { + if (!eq(a[length], b[length], aStack, bStack)) return false; + } + } else { + // Deep compare objects. + var keys = _.keys(a), key; + length = keys.length; + // Ensure that both objects contain the same number of properties before comparing deep equality. + if (_.keys(b).length !== length) return false; + while (length--) { + // Deep compare each member + key = keys[length]; + if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false; + } + } + // Remove the first object from the stack of traversed objects. + aStack.pop(); + bStack.pop(); + return true; + }; + + // Perform a deep comparison to check if two objects are equal. + _.isEqual = function(a, b) { + return eq(a, b); + }; + + // Is a given array, string, or object empty? + // An "empty" object has no enumerable own-properties. + _.isEmpty = function(obj) { + if (obj == null) return true; + if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0; + return _.keys(obj).length === 0; + }; + + // Is a given value a DOM element? + _.isElement = function(obj) { + return !!(obj && obj.nodeType === 1); + }; + + // Is a given value an array? + // Delegates to ECMA5's native Array.isArray + _.isArray = nativeIsArray || function(obj) { + return toString.call(obj) === '[object Array]'; + }; + + // Is a given variable an object? + _.isObject = function(obj) { + var type = typeof obj; + return type === 'function' || type === 'object' && !!obj; + }; + + // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError. + _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) { + _['is' + name] = function(obj) { + return toString.call(obj) === '[object ' + name + ']'; + }; + }); + + // Define a fallback version of the method in browsers (ahem, IE < 9), where + // there isn't any inspectable "Arguments" type. + if (!_.isArguments(arguments)) { + _.isArguments = function(obj) { + return _.has(obj, 'callee'); + }; + } + + // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8, + // IE 11 (#1621), and in Safari 8 (#1929). + if (typeof /./ != 'function' && typeof Int8Array != 'object') { + _.isFunction = function(obj) { + return typeof obj == 'function' || false; + }; + } + + // Is a given object a finite number? + _.isFinite = function(obj) { + return isFinite(obj) && !isNaN(parseFloat(obj)); + }; + + // Is the given value `NaN`? (NaN is the only number which does not equal itself). + _.isNaN = function(obj) { + return _.isNumber(obj) && obj !== +obj; + }; + + // Is a given value a boolean? + _.isBoolean = function(obj) { + return obj === true || obj === false || toString.call(obj) === '[object Boolean]'; + }; + + // Is a given value equal to null? + _.isNull = function(obj) { + return obj === null; + }; + + // Is a given variable undefined? + _.isUndefined = function(obj) { + return obj === void 0; + }; + + // Shortcut function for checking if an object has a given property directly + // on itself (in other words, not on a prototype). + _.has = function(obj, key) { + return obj != null && hasOwnProperty.call(obj, key); + }; + + // Utility Functions + // ----------------- + + // Run Underscore.js in *noConflict* mode, returning the `_` variable to its + // previous owner. Returns a reference to the Underscore object. + _.noConflict = function() { + root._ = previousUnderscore; + return this; + }; + + // Keep the identity function around for default iteratees. + _.identity = function(value) { + return value; + }; + + // Predicate-generating functions. Often useful outside of Underscore. + _.constant = function(value) { + return function() { + return value; + }; + }; + + _.noop = function(){}; + + _.property = property; + + // Generates a function for a given object that returns a given property. + _.propertyOf = function(obj) { + return obj == null ? function(){} : function(key) { + return obj[key]; + }; + }; + + // Returns a predicate for checking whether an object has a given set of + // `key:value` pairs. + _.matcher = _.matches = function(attrs) { + attrs = _.extendOwn({}, attrs); + return function(obj) { + return _.isMatch(obj, attrs); + }; + }; + + // Run a function **n** times. + _.times = function(n, iteratee, context) { + var accum = Array(Math.max(0, n)); + iteratee = optimizeCb(iteratee, context, 1); + for (var i = 0; i < n; i++) accum[i] = iteratee(i); + return accum; + }; + + // Return a random integer between min and max (inclusive). + _.random = function(min, max) { + if (max == null) { + max = min; + min = 0; + } + return min + Math.floor(Math.random() * (max - min + 1)); + }; + + // A (possibly faster) way to get the current timestamp as an integer. + _.now = Date.now || function() { + return new Date().getTime(); + }; + + // List of HTML entities for escaping. + var escapeMap = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''', + '`': '`' + }; + var unescapeMap = _.invert(escapeMap); + + // Functions for escaping and unescaping strings to/from HTML interpolation. + var createEscaper = function(map) { + var escaper = function(match) { + return map[match]; + }; + // Regexes for identifying a key that needs to be escaped + var source = '(?:' + _.keys(map).join('|') + ')'; + var testRegexp = RegExp(source); + var replaceRegexp = RegExp(source, 'g'); + return function(string) { + string = string == null ? '' : '' + string; + return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string; + }; + }; + _.escape = createEscaper(escapeMap); + _.unescape = createEscaper(unescapeMap); + + // If the value of the named `property` is a function then invoke it with the + // `object` as context; otherwise, return it. + _.result = function(object, property, fallback) { + var value = object == null ? void 0 : object[property]; + if (value === void 0) { + value = fallback; + } + return _.isFunction(value) ? value.call(object) : value; + }; + + // Generate a unique integer id (unique within the entire client session). + // Useful for temporary DOM ids. + var idCounter = 0; + _.uniqueId = function(prefix) { + var id = ++idCounter + ''; + return prefix ? prefix + id : id; + }; + + // By default, Underscore uses ERB-style template delimiters, change the + // following template settings to use alternative delimiters. + _.templateSettings = { + evaluate : /<%([\s\S]+?)%>/g, + interpolate : /<%=([\s\S]+?)%>/g, + escape : /<%-([\s\S]+?)%>/g + }; + + // When customizing `templateSettings`, if you don't want to define an + // interpolation, evaluation or escaping regex, we need one that is + // guaranteed not to match. + var noMatch = /(.)^/; + + // Certain characters need to be escaped so that they can be put into a + // string literal. + var escapes = { + "'": "'", + '\\': '\\', + '\r': 'r', + '\n': 'n', + '\u2028': 'u2028', + '\u2029': 'u2029' + }; + + var escaper = /\\|'|\r|\n|\u2028|\u2029/g; + + var escapeChar = function(match) { + return '\\' + escapes[match]; + }; + + // JavaScript micro-templating, similar to John Resig's implementation. + // Underscore templating handles arbitrary delimiters, preserves whitespace, + // and correctly escapes quotes within interpolated code. + // NB: `oldSettings` only exists for backwards compatibility. + _.template = function(text, settings, oldSettings) { + if (!settings && oldSettings) settings = oldSettings; + settings = _.defaults({}, settings, _.templateSettings); + + // Combine delimiters into one regular expression via alternation. + var matcher = RegExp([ + (settings.escape || noMatch).source, + (settings.interpolate || noMatch).source, + (settings.evaluate || noMatch).source + ].join('|') + '|$', 'g'); + + // Compile the template source, escaping string literals appropriately. + var index = 0; + var source = "__p+='"; + text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { + source += text.slice(index, offset).replace(escaper, escapeChar); + index = offset + match.length; + + if (escape) { + source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; + } else if (interpolate) { + source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; + } else if (evaluate) { + source += "';\n" + evaluate + "\n__p+='"; + } + + // Adobe VMs need the match returned to produce the correct offest. + return match; + }); + source += "';\n"; + + // If a variable is not specified, place data values in local scope. + if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n'; + + source = "var __t,__p='',__j=Array.prototype.join," + + "print=function(){__p+=__j.call(arguments,'');};\n" + + source + 'return __p;\n'; + + try { + var render = new Function(settings.variable || 'obj', '_', source); + } catch (e) { + e.source = source; + throw e; + } + + var template = function(data) { + return render.call(this, data, _); + }; + + // Provide the compiled source as a convenience for precompilation. + var argument = settings.variable || 'obj'; + template.source = 'function(' + argument + '){\n' + source + '}'; + + return template; + }; + + // Add a "chain" function. Start chaining a wrapped Underscore object. + _.chain = function(obj) { + var instance = _(obj); + instance._chain = true; + return instance; + }; + + // OOP + // --------------- + // If Underscore is called as a function, it returns a wrapped object that + // can be used OO-style. This wrapper holds altered versions of all the + // underscore functions. Wrapped objects may be chained. + + // Helper function to continue chaining intermediate results. + var result = function(instance, obj) { + return instance._chain ? _(obj).chain() : obj; + }; + + // Add your own custom functions to the Underscore object. + _.mixin = function(obj) { + _.each(_.functions(obj), function(name) { + var func = _[name] = obj[name]; + _.prototype[name] = function() { + var args = [this._wrapped]; + push.apply(args, arguments); + return result(this, func.apply(_, args)); + }; + }); + }; + + // Add all of the Underscore functions to the wrapper object. + _.mixin(_); + + // Add all mutator Array functions to the wrapper. + _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + var obj = this._wrapped; + method.apply(obj, arguments); + if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0]; + return result(this, obj); + }; + }); + + // Add all accessor Array functions to the wrapper. + _.each(['concat', 'join', 'slice'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + return result(this, method.apply(this._wrapped, arguments)); + }; + }); + + // Extracts the result from a wrapped and chained object. + _.prototype.value = function() { + return this._wrapped; + }; + + // Provide unwrapping proxy for some methods used in engine operations + // such as arithmetic and JSON stringification. + _.prototype.valueOf = _.prototype.toJSON = _.prototype.value; + + _.prototype.toString = function() { + return '' + this._wrapped; + }; + + // AMD registration happens at the end for compatibility with AMD loaders + // that may not enforce next-turn semantics on modules. Even though general + // practice for AMD registration is to be anonymous, underscore registers + // as a named module because, like jQuery, it is a base library that is + // popular enough to be bundled in a third party lib, but not be part of + // an AMD load request. Those cases could generate an error when an + // anonymous define() is called outside of a loader request. + if (typeof define === 'function' && define.amd) { + define('underscore', [], function() { + return _; + }); + } +}.call(this)); + +},{}],26:[function(require,module,exports){ +arguments[4][19][0].apply(exports,arguments) +},{"dup":19}],27:[function(require,module,exports){ +module.exports = function isBuffer(arg) { + return arg && typeof arg === 'object' + && typeof arg.copy === 'function' + && typeof arg.fill === 'function' + && typeof arg.readUInt8 === 'function'; +} +},{}],28:[function(require,module,exports){ +(function (process,global){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + // Allow for deprecating things in the process of starting up. + if (isUndefined(global.process)) { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + if (process.noDeprecation === true) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnviron; +exports.debuglog = function(set) { + if (isUndefined(debugEnviron)) + debugEnviron = process.env.NODE_DEBUG || ''; + set = set.toUpperCase(); + if (!debugs[set]) { + if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./support/isBuffer":27,"_process":24,"inherits":26}],29:[function(require,module,exports){ +// Returns a wrapper function that returns a wrapped callback +// The wrapper function should do some stuff, and return a +// presumably different callback function. +// This makes sure that own properties are retained, so that +// decorations and such are not lost along the way. +module.exports = wrappy +function wrappy (fn, cb) { + if (fn && cb) return wrappy(fn)(cb) + + if (typeof fn !== 'function') + throw new TypeError('need wrapper function') + + Object.keys(fn).forEach(function (k) { + wrapper[k] = fn[k] + }) + + return wrapper + + function wrapper() { + var args = new Array(arguments.length) + for (var i = 0; i < args.length; i++) { + args[i] = arguments[i] + } + var ret = fn.apply(this, args) + var cb = args[args.length-1] + if (typeof ret === 'function' && ret !== cb) { + Object.keys(cb).forEach(function (k) { + ret[k] = cb[k] + }) + } + return ret + } +} + +},{}]},{},[7])(7) +}); \ No newline at end of file diff --git a/_old/F23/assets/javascripts/workers/search.16e2a7d4.min.js b/_old/F23/assets/javascripts/workers/search.16e2a7d4.min.js new file mode 100644 index 000000000..e0dc159e8 --- /dev/null +++ b/_old/F23/assets/javascripts/workers/search.16e2a7d4.min.js @@ -0,0 +1,48 @@ +"use strict";(()=>{var ge=Object.create;var W=Object.defineProperty,ye=Object.defineProperties,me=Object.getOwnPropertyDescriptor,ve=Object.getOwnPropertyDescriptors,xe=Object.getOwnPropertyNames,G=Object.getOwnPropertySymbols,Se=Object.getPrototypeOf,X=Object.prototype.hasOwnProperty,Qe=Object.prototype.propertyIsEnumerable;var J=(t,e,r)=>e in t?W(t,e,{enumerable:!0,configurable:!0,writable:!0,value:r}):t[e]=r,M=(t,e)=>{for(var r in e||(e={}))X.call(e,r)&&J(t,r,e[r]);if(G)for(var r of G(e))Qe.call(e,r)&&J(t,r,e[r]);return t},Z=(t,e)=>ye(t,ve(e));var K=(t,e)=>()=>(e||t((e={exports:{}}).exports,e),e.exports);var be=(t,e,r,n)=>{if(e&&typeof e=="object"||typeof e=="function")for(let i of xe(e))!X.call(t,i)&&i!==r&&W(t,i,{get:()=>e[i],enumerable:!(n=me(e,i))||n.enumerable});return t};var H=(t,e,r)=>(r=t!=null?ge(Se(t)):{},be(e||!t||!t.__esModule?W(r,"default",{value:t,enumerable:!0}):r,t));var z=(t,e,r)=>new Promise((n,i)=>{var s=u=>{try{a(r.next(u))}catch(c){i(c)}},o=u=>{try{a(r.throw(u))}catch(c){i(c)}},a=u=>u.done?n(u.value):Promise.resolve(u.value).then(s,o);a((r=r.apply(t,e)).next())});var re=K((ee,te)=>{/** + * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9 + * Copyright (C) 2020 Oliver Nightingale + * @license MIT + */(function(){var t=function(e){var r=new t.Builder;return r.pipeline.add(t.trimmer,t.stopWordFilter,t.stemmer),r.searchPipeline.add(t.stemmer),e.call(r,r),r.build()};t.version="2.3.9";/*! + * lunr.utils + * Copyright (C) 2020 Oliver Nightingale + */t.utils={},t.utils.warn=function(e){return function(r){e.console&&console.warn&&console.warn(r)}}(this),t.utils.asString=function(e){return e==null?"":e.toString()},t.utils.clone=function(e){if(e==null)return e;for(var r=Object.create(null),n=Object.keys(e),i=0;i0){var h=t.utils.clone(r)||{};h.position=[a,c],h.index=s.length,s.push(new t.Token(n.slice(a,o),h))}a=o+1}}return s},t.tokenizer.separator=/[\s\-]+/;/*! + * lunr.Pipeline + * Copyright (C) 2020 Oliver Nightingale + */t.Pipeline=function(){this._stack=[]},t.Pipeline.registeredFunctions=Object.create(null),t.Pipeline.registerFunction=function(e,r){r in this.registeredFunctions&&t.utils.warn("Overwriting existing registered function: "+r),e.label=r,t.Pipeline.registeredFunctions[e.label]=e},t.Pipeline.warnIfFunctionNotRegistered=function(e){var r=e.label&&e.label in this.registeredFunctions;r||t.utils.warn(`Function is not registered with pipeline. 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this.pos1&&(e.backup(),e.emit(t.QueryLexer.TERM)),e.ignore(),e.more())return t.QueryLexer.lexText},t.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.EDIT_DISTANCE),t.QueryLexer.lexText},t.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.BOOST),t.QueryLexer.lexText},t.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(t.QueryLexer.TERM)},t.QueryLexer.termSeparator=t.tokenizer.separator,t.QueryLexer.lexText=function(e){for(;;){var r=e.next();if(r==t.QueryLexer.EOS)return t.QueryLexer.lexEOS;if(r.charCodeAt(0)==92){e.escapeCharacter();continue}if(r==":")return t.QueryLexer.lexField;if(r=="~")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexEditDistance;if(r=="^")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexBoost;if(r=="+"&&e.width()===1||r=="-"&&e.width()===1)return e.emit(t.QueryLexer.PRESENCE),t.QueryLexer.lexText;if(r.match(t.QueryLexer.termSeparator))return t.QueryLexer.lexTerm}},t.QueryParser=function(e,r){this.lexer=new t.QueryLexer(e),this.query=r,this.currentClause={},this.lexemeIdx=0},t.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=t.QueryParser.parseClause;e;)e=e(this);return this.query},t.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},t.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},t.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},t.QueryParser.parseClause=function(e){var r=e.peekLexeme();if(r!=null)switch(r.type){case t.QueryLexer.PRESENCE:return t.QueryParser.parsePresence;case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(n+=" with value '"+r.str+"'"),new t.QueryParseError(n,r.start,r.end)}},t.QueryParser.parsePresence=function(e){var r=e.consumeLexeme();if(r!=null){switch(r.str){case"-":e.currentClause.presence=t.Query.presence.PROHIBITED;break;case"+":e.currentClause.presence=t.Query.presence.REQUIRED;break;default:var n="unrecognised presence operator'"+r.str+"'";throw new t.QueryParseError(n,r.start,r.end)}var i=e.peekLexeme();if(i==null){var n="expecting term or field, found nothing";throw new t.QueryParseError(n,r.start,r.end)}switch(i.type){case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expecting term or field, found '"+i.type+"'";throw new t.QueryParseError(n,i.start,i.end)}}},t.QueryParser.parseField=function(e){var r=e.consumeLexeme();if(r!=null){if(e.query.allFields.indexOf(r.str)==-1){var n=e.query.allFields.map(function(o){return"'"+o+"'"}).join(", "),i="unrecognised field '"+r.str+"', possible fields: "+n;throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.fields=[r.str];var s=e.peekLexeme();if(s==null){var i="expecting term, found nothing";throw new t.QueryParseError(i,r.start,r.end)}switch(s.type){case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var i="expecting term, found '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseTerm=function(e){var r=e.consumeLexeme();if(r!=null){e.currentClause.term=r.str.toLowerCase(),r.str.indexOf("*")!=-1&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(n==null){e.nextClause();return}switch(n.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+n.type+"'";throw new t.QueryParseError(i,n.start,n.end)}}},t.QueryParser.parseEditDistance=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="edit distance must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.editDistance=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseBoost=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="boost must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.boost=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},function(e,r){typeof define=="function"&&define.amd?define(r):typeof ee=="object"?te.exports=r():e.lunr=r()}(this,function(){return t})})()});var q=K((Re,ne)=>{"use strict";/*! + * escape-html + * Copyright(c) 2012-2013 TJ Holowaychuk + * Copyright(c) 2015 Andreas Lubbe + * Copyright(c) 2015 Tiancheng "Timothy" Gu + * MIT Licensed + */var Le=/["'&<>]/;ne.exports=we;function we(t){var e=""+t,r=Le.exec(e);if(!r)return e;var n,i="",s=0,o=0;for(s=r.index;s=0;r--){let n=t[r];typeof n=="string"?n=document.createTextNode(n):n.parentNode&&n.parentNode.removeChild(n),r?e.insertBefore(this.previousSibling,n):e.replaceChild(n,this)}}}));var ie=H(q());function se(t){let e=new Map,r=new Set;for(let n of t){let[i,s]=n.location.split("#"),o=n.location,a=n.title,u=n.tags,c=(0,ie.default)(n.text).replace(/\s+(?=[,.:;!?])/g,"").replace(/\s+/g," ");if(s){let h=e.get(i);r.has(h)?e.set(o,{location:o,title:a,text:c,parent:h}):(h.title=n.title,h.text=c,r.add(h))}else e.set(o,M({location:o,title:a,text:c},u&&{tags:u}))}return e}var oe=H(q());function ae(t,e){let r=new RegExp(t.separator,"img"),n=(i,s,o)=>`${s}${o}`;return i=>{i=i.replace(/[\s*+\-:~^]+/g," ").trim();let s=new RegExp(`(^|${t.separator})(${i.replace(/[|\\{}()[\]^$+*?.-]/g,"\\$&").replace(r,"|")})`,"img");return o=>(e?(0,oe.default)(o):o).replace(s,n).replace(/<\/mark>(\s+)]*>/img,"$1")}}function ue(t){let e=new lunr.Query(["title","text"]);return new lunr.QueryParser(t,e).parse(),e.clauses}function ce(t,e){var i;let r=new Set(t),n={};for(let s=0;s!n.has(i)))]}var U=class{constructor({config:e,docs:r,options:n}){this.options=n,this.documents=se(r),this.highlight=ae(e,!1),lunr.tokenizer.separator=new RegExp(e.separator),this.index=lunr(function(){e.lang.length===1&&e.lang[0]!=="en"?this.use(lunr[e.lang[0]]):e.lang.length>1&&this.use(lunr.multiLanguage(...e.lang));let i=Ee(["trimmer","stopWordFilter","stemmer"],n.pipeline);for(let s of e.lang.map(o=>o==="en"?lunr:lunr[o]))for(let o of i)this.pipeline.remove(s[o]),this.searchPipeline.remove(s[o]);this.ref("location"),this.field("title",{boost:1e3}),this.field("text"),this.field("tags",{boost:1e6,extractor:s=>{let{tags:o=[]}=s;return o.reduce((a,u)=>[...a,...lunr.tokenizer(u)],[])}});for(let s of r)this.add(s,{boost:s.boost})})}search(e){if(e)try{let r=this.highlight(e),n=ue(e).filter(o=>o.presence!==lunr.Query.presence.PROHIBITED),i=this.index.search(`${e}*`).reduce((o,{ref:a,score:u,matchData:c})=>{let h=this.documents.get(a);if(typeof h!="undefined"){let{location:y,title:g,text:b,tags:m,parent:Q}=h,p=ce(n,Object.keys(c.metadata)),d=+!Q+ +Object.values(p).every(w=>w);o.push(Z(M({location:y,title:r(g),text:r(b)},m&&{tags:m.map(r)}),{score:u*(1+d),terms:p}))}return o},[]).sort((o,a)=>a.score-o.score).reduce((o,a)=>{let u=this.documents.get(a.location);if(typeof u!="undefined"){let c="parent"in u?u.parent.location:u.location;o.set(c,[...o.get(c)||[],a])}return o},new Map),s;if(this.options.suggestions){let o=this.index.query(a=>{for(let u of n)a.term(u.term,{fields:["title"],presence:lunr.Query.presence.REQUIRED,wildcard:lunr.Query.wildcard.TRAILING})});s=o.length?Object.keys(o[0].matchData.metadata):[]}return M({items:[...i.values()]},typeof s!="undefined"&&{suggestions:s})}catch(r){console.warn(`Invalid query: ${e} \u2013 see https://bit.ly/2s3ChXG`)}return{items:[]}}};var Y;function ke(t){return z(this,null,function*(){let e="../lunr";if(typeof parent!="undefined"&&"IFrameWorker"in parent){let n=document.querySelector("script[src]"),[i]=n.src.split("/worker");e=e.replace("..",i)}let r=[];for(let n of t.lang){switch(n){case"ja":r.push(`${e}/tinyseg.js`);break;case"hi":case"th":r.push(`${e}/wordcut.js`);break}n!=="en"&&r.push(`${e}/min/lunr.${n}.min.js`)}t.lang.length>1&&r.push(`${e}/min/lunr.multi.min.js`),r.length&&(yield importScripts(`${e}/min/lunr.stemmer.support.min.js`,...r))})}function Te(t){return z(this,null,function*(){switch(t.type){case 0:return yield ke(t.data.config),Y=new U(t.data),{type:1};case 2:return{type:3,data:Y?Y.search(t.data):{items:[]}};default:throw new TypeError("Invalid message type")}})}self.lunr=le.default;addEventListener("message",t=>z(void 0,null,function*(){postMessage(yield Te(t.data))}));})(); +//# sourceMappingURL=search.16e2a7d4.min.js.map + diff --git a/_old/F23/assets/javascripts/workers/search.16e2a7d4.min.js.map b/_old/F23/assets/javascripts/workers/search.16e2a7d4.min.js.map new file mode 100644 index 000000000..fa01f3742 --- /dev/null +++ b/_old/F23/assets/javascripts/workers/search.16e2a7d4.min.js.map @@ -0,0 +1,8 @@ +{ + "version": 3, + "sources": ["node_modules/lunr/lunr.js", "node_modules/escape-html/index.js", "src/assets/javascripts/integrations/search/worker/main/index.ts", "src/assets/javascripts/polyfills/index.ts", "src/assets/javascripts/integrations/search/document/index.ts", "src/assets/javascripts/integrations/search/highlighter/index.ts", "src/assets/javascripts/integrations/search/query/_/index.ts", "src/assets/javascripts/integrations/search/_/index.ts"], + "sourceRoot": "../../../..", + "sourcesContent": ["/**\n * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9\n * Copyright (C) 2020 Oliver Nightingale\n * @license MIT\n */\n\n;(function(){\n\n/**\n * A convenience function for configuring and constructing\n * a new lunr Index.\n *\n * A lunr.Builder instance is created and the pipeline setup\n * with a trimmer, stop word filter and stemmer.\n *\n * This builder object is yielded to the configuration function\n * that is passed as a parameter, allowing the list of fields\n * and other builder parameters to be customised.\n *\n * All documents _must_ be added within the passed config function.\n *\n * @example\n * var idx = lunr(function () {\n * this.field('title')\n * this.field('body')\n * this.ref('id')\n *\n * documents.forEach(function (doc) {\n * this.add(doc)\n * }, this)\n * })\n *\n * @see {@link lunr.Builder}\n * @see {@link lunr.Pipeline}\n * @see {@link lunr.trimmer}\n * @see {@link lunr.stopWordFilter}\n * @see {@link lunr.stemmer}\n * @namespace {function} lunr\n */\nvar lunr = function (config) {\n var builder = new lunr.Builder\n\n builder.pipeline.add(\n lunr.trimmer,\n lunr.stopWordFilter,\n lunr.stemmer\n )\n\n builder.searchPipeline.add(\n lunr.stemmer\n )\n\n config.call(builder, builder)\n return builder.build()\n}\n\nlunr.version = \"2.3.9\"\n/*!\n * lunr.utils\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A namespace containing utils for the rest of the lunr library\n * @namespace lunr.utils\n */\nlunr.utils = {}\n\n/**\n * Print a warning message to the console.\n *\n * @param {String} message The message to be printed.\n * @memberOf lunr.utils\n * @function\n */\nlunr.utils.warn = (function (global) {\n /* eslint-disable no-console */\n return function (message) {\n if (global.console && console.warn) {\n console.warn(message)\n }\n }\n /* eslint-enable no-console */\n})(this)\n\n/**\n * Convert an object to a string.\n *\n * In the case of `null` and `undefined` the function returns\n * the empty string, in all other cases the result of calling\n * `toString` on the passed object is returned.\n *\n * @param {Any} obj The object to convert to a string.\n * @return {String} string representation of the passed object.\n * @memberOf lunr.utils\n */\nlunr.utils.asString = function (obj) {\n if (obj === void 0 || obj === null) {\n return \"\"\n } else {\n return obj.toString()\n }\n}\n\n/**\n * Clones an object.\n *\n * Will create a copy of an existing object such that any mutations\n * on the copy cannot affect the original.\n *\n * Only shallow objects are supported, passing a nested object to this\n * function will cause a TypeError.\n *\n * Objects with primitives, and arrays of primitives are supported.\n *\n * @param {Object} obj The object to clone.\n * @return {Object} a clone of the passed object.\n * @throws {TypeError} when a nested object is passed.\n * @memberOf Utils\n */\nlunr.utils.clone = function (obj) {\n if (obj === null || obj === undefined) {\n return obj\n }\n\n var clone = Object.create(null),\n keys = Object.keys(obj)\n\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i],\n val = obj[key]\n\n if (Array.isArray(val)) {\n clone[key] = val.slice()\n continue\n }\n\n if (typeof val === 'string' ||\n typeof val === 'number' ||\n typeof val === 'boolean') {\n clone[key] = val\n continue\n }\n\n throw new TypeError(\"clone is not deep and does not support nested objects\")\n }\n\n return clone\n}\nlunr.FieldRef = function (docRef, fieldName, stringValue) {\n this.docRef = docRef\n this.fieldName = fieldName\n this._stringValue = stringValue\n}\n\nlunr.FieldRef.joiner = \"/\"\n\nlunr.FieldRef.fromString = function (s) {\n var n = s.indexOf(lunr.FieldRef.joiner)\n\n if (n === -1) {\n throw \"malformed field ref string\"\n }\n\n var fieldRef = s.slice(0, n),\n docRef = s.slice(n + 1)\n\n return new lunr.FieldRef (docRef, fieldRef, s)\n}\n\nlunr.FieldRef.prototype.toString = function () {\n if (this._stringValue == undefined) {\n this._stringValue = this.fieldName + lunr.FieldRef.joiner + this.docRef\n }\n\n return this._stringValue\n}\n/*!\n * lunr.Set\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A lunr set.\n *\n * @constructor\n */\nlunr.Set = function (elements) {\n this.elements = Object.create(null)\n\n if (elements) {\n this.length = elements.length\n\n for (var i = 0; i < this.length; i++) {\n this.elements[elements[i]] = true\n }\n } else {\n this.length = 0\n }\n}\n\n/**\n * A complete set that contains all elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.complete = {\n intersect: function (other) {\n return other\n },\n\n union: function () {\n return this\n },\n\n contains: function () {\n return true\n }\n}\n\n/**\n * An empty set that contains no elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.empty = {\n intersect: function () {\n return this\n },\n\n union: function (other) {\n return other\n },\n\n contains: function () {\n return false\n }\n}\n\n/**\n * Returns true if this set contains the specified object.\n *\n * @param {object} object - Object whose presence in this set is to be tested.\n * @returns {boolean} - True if this set contains the specified object.\n */\nlunr.Set.prototype.contains = function (object) {\n return !!this.elements[object]\n}\n\n/**\n * Returns a new set containing only the elements that are present in both\n * this set and the specified set.\n *\n * @param {lunr.Set} other - set to intersect with this set.\n * @returns {lunr.Set} a new set that is the intersection of this and the specified set.\n */\n\nlunr.Set.prototype.intersect = function (other) {\n var a, b, elements, intersection = []\n\n if (other === lunr.Set.complete) {\n return this\n }\n\n if (other === lunr.Set.empty) {\n return other\n }\n\n if (this.length < other.length) {\n a = this\n b = other\n } else {\n a = other\n b = this\n }\n\n elements = Object.keys(a.elements)\n\n for (var i = 0; i < elements.length; i++) {\n var element = elements[i]\n if (element in b.elements) {\n intersection.push(element)\n }\n }\n\n return new lunr.Set (intersection)\n}\n\n/**\n * Returns a new set combining the elements of this and the specified set.\n *\n * @param {lunr.Set} other - set to union with this set.\n * @return {lunr.Set} a new set that is the union of this and the specified set.\n */\n\nlunr.Set.prototype.union = function (other) {\n if (other === lunr.Set.complete) {\n return lunr.Set.complete\n }\n\n if (other === lunr.Set.empty) {\n return this\n }\n\n return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))\n}\n/**\n * A function to calculate the inverse document frequency for\n * a posting. This is shared between the builder and the index\n *\n * @private\n * @param {object} posting - The posting for a given term\n * @param {number} documentCount - The total number of documents.\n */\nlunr.idf = function (posting, documentCount) {\n var documentsWithTerm = 0\n\n for (var fieldName in posting) {\n if (fieldName == '_index') continue // Ignore the term index, its not a field\n documentsWithTerm += Object.keys(posting[fieldName]).length\n }\n\n var x = (documentCount - documentsWithTerm + 0.5) / (documentsWithTerm + 0.5)\n\n return Math.log(1 + Math.abs(x))\n}\n\n/**\n * A token wraps a string representation of a token\n * as it is passed through the text processing pipeline.\n *\n * @constructor\n * @param {string} [str=''] - The string token being wrapped.\n * @param {object} [metadata={}] - Metadata associated with this token.\n */\nlunr.Token = function (str, metadata) {\n this.str = str || \"\"\n this.metadata = metadata || {}\n}\n\n/**\n * Returns the token string that is being wrapped by this object.\n *\n * @returns {string}\n */\nlunr.Token.prototype.toString = function () {\n return this.str\n}\n\n/**\n * A token update function is used when updating or optionally\n * when cloning a token.\n *\n * @callback lunr.Token~updateFunction\n * @param {string} str - The string representation of the token.\n * @param {Object} metadata - All metadata associated with this token.\n */\n\n/**\n * Applies the given function to the wrapped string token.\n *\n * @example\n * token.update(function (str, metadata) {\n * return str.toUpperCase()\n * })\n *\n * @param {lunr.Token~updateFunction} fn - A function to apply to the token string.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.update = function (fn) {\n this.str = fn(this.str, this.metadata)\n return this\n}\n\n/**\n * Creates a clone of this token. Optionally a function can be\n * applied to the cloned token.\n *\n * @param {lunr.Token~updateFunction} [fn] - An optional function to apply to the cloned token.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.clone = function (fn) {\n fn = fn || function (s) { return s }\n return new lunr.Token (fn(this.str, this.metadata), this.metadata)\n}\n/*!\n * lunr.tokenizer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A function for splitting a string into tokens ready to be inserted into\n * the search index. Uses `lunr.tokenizer.separator` to split strings, change\n * the value of this property to change how strings are split into tokens.\n *\n * This tokenizer will convert its parameter to a string by calling `toString` and\n * then will split this string on the character in `lunr.tokenizer.separator`.\n * Arrays will have their elements converted to strings and wrapped in a lunr.Token.\n *\n * Optional metadata can be passed to the tokenizer, this metadata will be cloned and\n * added as metadata to every token that is created from the object to be tokenized.\n *\n * @static\n * @param {?(string|object|object[])} obj - The object to convert into tokens\n * @param {?object} metadata - Optional metadata to associate with every token\n * @returns {lunr.Token[]}\n * @see {@link lunr.Pipeline}\n */\nlunr.tokenizer = function (obj, metadata) {\n if (obj == null || obj == undefined) {\n return []\n }\n\n if (Array.isArray(obj)) {\n return obj.map(function (t) {\n return new lunr.Token(\n lunr.utils.asString(t).toLowerCase(),\n lunr.utils.clone(metadata)\n )\n })\n }\n\n var str = obj.toString().toLowerCase(),\n len = str.length,\n tokens = []\n\n for (var sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {\n var char = str.charAt(sliceEnd),\n sliceLength = sliceEnd - sliceStart\n\n if ((char.match(lunr.tokenizer.separator) || sliceEnd == len)) {\n\n if (sliceLength > 0) {\n var tokenMetadata = lunr.utils.clone(metadata) || {}\n tokenMetadata[\"position\"] = [sliceStart, sliceLength]\n tokenMetadata[\"index\"] = tokens.length\n\n tokens.push(\n new lunr.Token (\n str.slice(sliceStart, sliceEnd),\n tokenMetadata\n )\n )\n }\n\n sliceStart = sliceEnd + 1\n }\n\n }\n\n return tokens\n}\n\n/**\n * The separator used to split a string into tokens. Override this property to change the behaviour of\n * `lunr.tokenizer` behaviour when tokenizing strings. By default this splits on whitespace and hyphens.\n *\n * @static\n * @see lunr.tokenizer\n */\nlunr.tokenizer.separator = /[\\s\\-]+/\n/*!\n * lunr.Pipeline\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Pipelines maintain an ordered list of functions to be applied to all\n * tokens in documents entering the search index and queries being ran against\n * the index.\n *\n * An instance of lunr.Index created with the lunr shortcut will contain a\n * pipeline with a stop word filter and an English language stemmer. Extra\n * functions can be added before or after either of these functions or these\n * default functions can be removed.\n *\n * When run the pipeline will call each function in turn, passing a token, the\n * index of that token in the original list of all tokens and finally a list of\n * all the original tokens.\n *\n * The output of functions in the pipeline will be passed to the next function\n * in the pipeline. To exclude a token from entering the index the function\n * should return undefined, the rest of the pipeline will not be called with\n * this token.\n *\n * For serialisation of pipelines to work, all functions used in an instance of\n * a pipeline should be registered with lunr.Pipeline. Registered functions can\n * then be loaded. If trying to load a serialised pipeline that uses functions\n * that are not registered an error will be thrown.\n *\n * If not planning on serialising the pipeline then registering pipeline functions\n * is not necessary.\n *\n * @constructor\n */\nlunr.Pipeline = function () {\n this._stack = []\n}\n\nlunr.Pipeline.registeredFunctions = Object.create(null)\n\n/**\n * A pipeline function maps lunr.Token to lunr.Token. A lunr.Token contains the token\n * string as well as all known metadata. A pipeline function can mutate the token string\n * or mutate (or add) metadata for a given token.\n *\n * A pipeline function can indicate that the passed token should be discarded by returning\n * null, undefined or an empty string. This token will not be passed to any downstream pipeline\n * functions and will not be added to the index.\n *\n * Multiple tokens can be returned by returning an array of tokens. Each token will be passed\n * to any downstream pipeline functions and all will returned tokens will be added to the index.\n *\n * Any number of pipeline functions may be chained together using a lunr.Pipeline.\n *\n * @interface lunr.PipelineFunction\n * @param {lunr.Token} token - A token from the document being processed.\n * @param {number} i - The index of this token in the complete list of tokens for this document/field.\n * @param {lunr.Token[]} tokens - All tokens for this document/field.\n * @returns {(?lunr.Token|lunr.Token[])}\n */\n\n/**\n * Register a function with the pipeline.\n *\n * Functions that are used in the pipeline should be registered if the pipeline\n * needs to be serialised, or a serialised pipeline needs to be loaded.\n *\n * Registering a function does not add it to a pipeline, functions must still be\n * added to instances of the pipeline for them to be used when running a pipeline.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @param {String} label - The label to register this function with\n */\nlunr.Pipeline.registerFunction = function (fn, label) {\n if (label in this.registeredFunctions) {\n lunr.utils.warn('Overwriting existing registered function: ' + label)\n }\n\n fn.label = label\n lunr.Pipeline.registeredFunctions[fn.label] = fn\n}\n\n/**\n * Warns if the function is not registered as a Pipeline function.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @private\n */\nlunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {\n var isRegistered = fn.label && (fn.label in this.registeredFunctions)\n\n if (!isRegistered) {\n lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\\n', fn)\n }\n}\n\n/**\n * Loads a previously serialised pipeline.\n *\n * All functions to be loaded must already be registered with lunr.Pipeline.\n * If any function from the serialised data has not been registered then an\n * error will be thrown.\n *\n * @param {Object} serialised - The serialised pipeline to load.\n * @returns {lunr.Pipeline}\n */\nlunr.Pipeline.load = function (serialised) {\n var pipeline = new lunr.Pipeline\n\n serialised.forEach(function (fnName) {\n var fn = lunr.Pipeline.registeredFunctions[fnName]\n\n if (fn) {\n pipeline.add(fn)\n } else {\n throw new Error('Cannot load unregistered function: ' + fnName)\n }\n })\n\n return pipeline\n}\n\n/**\n * Adds new functions to the end of the pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction[]} functions - Any number of functions to add to the pipeline.\n */\nlunr.Pipeline.prototype.add = function () {\n var fns = Array.prototype.slice.call(arguments)\n\n fns.forEach(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n this._stack.push(fn)\n }, this)\n}\n\n/**\n * Adds a single function after a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.after = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n pos = pos + 1\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Adds a single function before a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.before = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Removes a function from the pipeline.\n *\n * @param {lunr.PipelineFunction} fn The function to remove from the pipeline.\n */\nlunr.Pipeline.prototype.remove = function (fn) {\n var pos = this._stack.indexOf(fn)\n if (pos == -1) {\n return\n }\n\n this._stack.splice(pos, 1)\n}\n\n/**\n * Runs the current list of functions that make up the pipeline against the\n * passed tokens.\n *\n * @param {Array} tokens The tokens to run through the pipeline.\n * @returns {Array}\n */\nlunr.Pipeline.prototype.run = function (tokens) {\n var stackLength = this._stack.length\n\n for (var i = 0; i < stackLength; i++) {\n var fn = this._stack[i]\n var memo = []\n\n for (var j = 0; j < tokens.length; j++) {\n var result = fn(tokens[j], j, tokens)\n\n if (result === null || result === void 0 || result === '') continue\n\n if (Array.isArray(result)) {\n for (var k = 0; k < result.length; k++) {\n memo.push(result[k])\n }\n } else {\n memo.push(result)\n }\n }\n\n tokens = memo\n }\n\n return tokens\n}\n\n/**\n * Convenience method for passing a string through a pipeline and getting\n * strings out. This method takes care of wrapping the passed string in a\n * token and mapping the resulting tokens back to strings.\n *\n * @param {string} str - The string to pass through the pipeline.\n * @param {?object} metadata - Optional metadata to associate with the token\n * passed to the pipeline.\n * @returns {string[]}\n */\nlunr.Pipeline.prototype.runString = function (str, metadata) {\n var token = new lunr.Token (str, metadata)\n\n return this.run([token]).map(function (t) {\n return t.toString()\n })\n}\n\n/**\n * Resets the pipeline by removing any existing processors.\n *\n */\nlunr.Pipeline.prototype.reset = function () {\n this._stack = []\n}\n\n/**\n * Returns a representation of the pipeline ready for serialisation.\n *\n * Logs a warning if the function has not been registered.\n *\n * @returns {Array}\n */\nlunr.Pipeline.prototype.toJSON = function () {\n return this._stack.map(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n\n return fn.label\n })\n}\n/*!\n * lunr.Vector\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A vector is used to construct the vector space of documents and queries. These\n * vectors support operations to determine the similarity between two documents or\n * a document and a query.\n *\n * Normally no parameters are required for initializing a vector, but in the case of\n * loading a previously dumped vector the raw elements can be provided to the constructor.\n *\n * For performance reasons vectors are implemented with a flat array, where an elements\n * index is immediately followed by its value. E.g. [index, value, index, value]. This\n * allows the underlying array to be as sparse as possible and still offer decent\n * performance when being used for vector calculations.\n *\n * @constructor\n * @param {Number[]} [elements] - The flat list of element index and element value pairs.\n */\nlunr.Vector = function (elements) {\n this._magnitude = 0\n this.elements = elements || []\n}\n\n\n/**\n * Calculates the position within the vector to insert a given index.\n *\n * This is used internally by insert and upsert. If there are duplicate indexes then\n * the position is returned as if the value for that index were to be updated, but it\n * is the callers responsibility to check whether there is a duplicate at that index\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @returns {Number}\n */\nlunr.Vector.prototype.positionForIndex = function (index) {\n // For an empty vector the tuple can be inserted at the beginning\n if (this.elements.length == 0) {\n return 0\n }\n\n var start = 0,\n end = this.elements.length / 2,\n sliceLength = end - start,\n pivotPoint = Math.floor(sliceLength / 2),\n pivotIndex = this.elements[pivotPoint * 2]\n\n while (sliceLength > 1) {\n if (pivotIndex < index) {\n start = pivotPoint\n }\n\n if (pivotIndex > index) {\n end = pivotPoint\n }\n\n if (pivotIndex == index) {\n break\n }\n\n sliceLength = end - start\n pivotPoint = start + Math.floor(sliceLength / 2)\n pivotIndex = this.elements[pivotPoint * 2]\n }\n\n if (pivotIndex == index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex > index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex < index) {\n return (pivotPoint + 1) * 2\n }\n}\n\n/**\n * Inserts an element at an index within the vector.\n *\n * Does not allow duplicates, will throw an error if there is already an entry\n * for this index.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n */\nlunr.Vector.prototype.insert = function (insertIdx, val) {\n this.upsert(insertIdx, val, function () {\n throw \"duplicate index\"\n })\n}\n\n/**\n * Inserts or updates an existing index within the vector.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n * @param {function} fn - A function that is called for updates, the existing value and the\n * requested value are passed as arguments\n */\nlunr.Vector.prototype.upsert = function (insertIdx, val, fn) {\n this._magnitude = 0\n var position = this.positionForIndex(insertIdx)\n\n if (this.elements[position] == insertIdx) {\n this.elements[position + 1] = fn(this.elements[position + 1], val)\n } else {\n this.elements.splice(position, 0, insertIdx, val)\n }\n}\n\n/**\n * Calculates the magnitude of this vector.\n *\n * @returns {Number}\n */\nlunr.Vector.prototype.magnitude = function () {\n if (this._magnitude) return this._magnitude\n\n var sumOfSquares = 0,\n elementsLength = this.elements.length\n\n for (var i = 1; i < elementsLength; i += 2) {\n var val = this.elements[i]\n sumOfSquares += val * val\n }\n\n return this._magnitude = Math.sqrt(sumOfSquares)\n}\n\n/**\n * Calculates the dot product of this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The vector to compute the dot product with.\n * @returns {Number}\n */\nlunr.Vector.prototype.dot = function (otherVector) {\n var dotProduct = 0,\n a = this.elements, b = otherVector.elements,\n aLen = a.length, bLen = b.length,\n aVal = 0, bVal = 0,\n i = 0, j = 0\n\n while (i < aLen && j < bLen) {\n aVal = a[i], bVal = b[j]\n if (aVal < bVal) {\n i += 2\n } else if (aVal > bVal) {\n j += 2\n } else if (aVal == bVal) {\n dotProduct += a[i + 1] * b[j + 1]\n i += 2\n j += 2\n }\n }\n\n return dotProduct\n}\n\n/**\n * Calculates the similarity between this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The other vector to calculate the\n * similarity with.\n * @returns {Number}\n */\nlunr.Vector.prototype.similarity = function (otherVector) {\n return this.dot(otherVector) / this.magnitude() || 0\n}\n\n/**\n * Converts the vector to an array of the elements within the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toArray = function () {\n var output = new Array (this.elements.length / 2)\n\n for (var i = 1, j = 0; i < this.elements.length; i += 2, j++) {\n output[j] = this.elements[i]\n }\n\n return output\n}\n\n/**\n * A JSON serializable representation of the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toJSON = function () {\n return this.elements\n}\n/* eslint-disable */\n/*!\n * lunr.stemmer\n * Copyright (C) 2020 Oliver Nightingale\n * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt\n */\n\n/**\n * lunr.stemmer is an english language stemmer, this is a JavaScript\n * implementation of the PorterStemmer taken from http://tartarus.org/~martin\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token - The string to stem\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n * @function\n */\nlunr.stemmer = (function(){\n var step2list = {\n \"ational\" : \"ate\",\n \"tional\" : \"tion\",\n \"enci\" : \"ence\",\n \"anci\" : \"ance\",\n \"izer\" : \"ize\",\n \"bli\" : \"ble\",\n \"alli\" : \"al\",\n \"entli\" : \"ent\",\n \"eli\" : \"e\",\n \"ousli\" : \"ous\",\n \"ization\" : \"ize\",\n \"ation\" : \"ate\",\n \"ator\" : \"ate\",\n \"alism\" : \"al\",\n \"iveness\" : \"ive\",\n \"fulness\" : \"ful\",\n \"ousness\" : \"ous\",\n \"aliti\" : \"al\",\n \"iviti\" : \"ive\",\n \"biliti\" : \"ble\",\n \"logi\" : \"log\"\n },\n\n step3list = {\n \"icate\" : \"ic\",\n \"ative\" : \"\",\n \"alize\" : \"al\",\n \"iciti\" : \"ic\",\n \"ical\" : \"ic\",\n \"ful\" : \"\",\n \"ness\" : \"\"\n },\n\n c = \"[^aeiou]\", // consonant\n v = \"[aeiouy]\", // vowel\n C = c + \"[^aeiouy]*\", // consonant sequence\n V = v + \"[aeiou]*\", // vowel sequence\n\n mgr0 = \"^(\" + C + \")?\" + V + C, // [C]VC... is m>0\n meq1 = \"^(\" + C + \")?\" + V + C + \"(\" + V + \")?$\", // [C]VC[V] is m=1\n mgr1 = \"^(\" + C + \")?\" + V + C + V + C, // [C]VCVC... is m>1\n s_v = \"^(\" + C + \")?\" + v; // vowel in stem\n\n var re_mgr0 = new RegExp(mgr0);\n var re_mgr1 = new RegExp(mgr1);\n var re_meq1 = new RegExp(meq1);\n var re_s_v = new RegExp(s_v);\n\n var re_1a = /^(.+?)(ss|i)es$/;\n var re2_1a = /^(.+?)([^s])s$/;\n var re_1b = /^(.+?)eed$/;\n var re2_1b = /^(.+?)(ed|ing)$/;\n var re_1b_2 = /.$/;\n var re2_1b_2 = /(at|bl|iz)$/;\n var re3_1b_2 = new RegExp(\"([^aeiouylsz])\\\\1$\");\n var re4_1b_2 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var re_1c = /^(.+?[^aeiou])y$/;\n var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;\n\n var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;\n\n var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;\n var re2_4 = /^(.+?)(s|t)(ion)$/;\n\n var re_5 = /^(.+?)e$/;\n var re_5_1 = /ll$/;\n var re3_5 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var porterStemmer = function porterStemmer(w) {\n var stem,\n suffix,\n firstch,\n re,\n re2,\n re3,\n re4;\n\n if (w.length < 3) { return w; }\n\n firstch = w.substr(0,1);\n if (firstch == \"y\") {\n w = firstch.toUpperCase() + w.substr(1);\n }\n\n // Step 1a\n re = re_1a\n re2 = re2_1a;\n\n if (re.test(w)) { w = w.replace(re,\"$1$2\"); }\n else if (re2.test(w)) { w = w.replace(re2,\"$1$2\"); }\n\n // Step 1b\n re = re_1b;\n re2 = re2_1b;\n if (re.test(w)) {\n var fp = re.exec(w);\n re = re_mgr0;\n if (re.test(fp[1])) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1];\n re2 = re_s_v;\n if (re2.test(stem)) {\n w = stem;\n re2 = re2_1b_2;\n re3 = re3_1b_2;\n re4 = re4_1b_2;\n if (re2.test(w)) { w = w + \"e\"; }\n else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,\"\"); }\n else if (re4.test(w)) { w = w + \"e\"; }\n }\n }\n\n // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)\n re = re_1c;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n w = stem + \"i\";\n }\n\n // Step 2\n re = re_2;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step2list[suffix];\n }\n }\n\n // Step 3\n re = re_3;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step3list[suffix];\n }\n }\n\n // Step 4\n re = re_4;\n re2 = re2_4;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n if (re.test(stem)) {\n w = stem;\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1] + fp[2];\n re2 = re_mgr1;\n if (re2.test(stem)) {\n w = stem;\n }\n }\n\n // Step 5\n re = re_5;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n re2 = re_meq1;\n re3 = re3_5;\n if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {\n w = stem;\n }\n }\n\n re = re_5_1;\n re2 = re_mgr1;\n if (re.test(w) && re2.test(w)) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n\n // and turn initial Y back to y\n\n if (firstch == \"y\") {\n w = firstch.toLowerCase() + w.substr(1);\n }\n\n return w;\n };\n\n return function (token) {\n return token.update(porterStemmer);\n }\n})();\n\nlunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')\n/*!\n * lunr.stopWordFilter\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.generateStopWordFilter builds a stopWordFilter function from the provided\n * list of stop words.\n *\n * The built in lunr.stopWordFilter is built using this generator and can be used\n * to generate custom stopWordFilters for applications or non English languages.\n *\n * @function\n * @param {Array} token The token to pass through the filter\n * @returns {lunr.PipelineFunction}\n * @see lunr.Pipeline\n * @see lunr.stopWordFilter\n */\nlunr.generateStopWordFilter = function (stopWords) {\n var words = stopWords.reduce(function (memo, stopWord) {\n memo[stopWord] = stopWord\n return memo\n }, {})\n\n return function (token) {\n if (token && words[token.toString()] !== token.toString()) return token\n }\n}\n\n/**\n * lunr.stopWordFilter is an English language stop word list filter, any words\n * contained in the list will not be passed through the filter.\n *\n * This is intended to be used in the Pipeline. If the token does not pass the\n * filter then undefined will be returned.\n *\n * @function\n * @implements {lunr.PipelineFunction}\n * @params {lunr.Token} token - A token to check for being a stop word.\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n */\nlunr.stopWordFilter = lunr.generateStopWordFilter([\n 'a',\n 'able',\n 'about',\n 'across',\n 'after',\n 'all',\n 'almost',\n 'also',\n 'am',\n 'among',\n 'an',\n 'and',\n 'any',\n 'are',\n 'as',\n 'at',\n 'be',\n 'because',\n 'been',\n 'but',\n 'by',\n 'can',\n 'cannot',\n 'could',\n 'dear',\n 'did',\n 'do',\n 'does',\n 'either',\n 'else',\n 'ever',\n 'every',\n 'for',\n 'from',\n 'get',\n 'got',\n 'had',\n 'has',\n 'have',\n 'he',\n 'her',\n 'hers',\n 'him',\n 'his',\n 'how',\n 'however',\n 'i',\n 'if',\n 'in',\n 'into',\n 'is',\n 'it',\n 'its',\n 'just',\n 'least',\n 'let',\n 'like',\n 'likely',\n 'may',\n 'me',\n 'might',\n 'most',\n 'must',\n 'my',\n 'neither',\n 'no',\n 'nor',\n 'not',\n 'of',\n 'off',\n 'often',\n 'on',\n 'only',\n 'or',\n 'other',\n 'our',\n 'own',\n 'rather',\n 'said',\n 'say',\n 'says',\n 'she',\n 'should',\n 'since',\n 'so',\n 'some',\n 'than',\n 'that',\n 'the',\n 'their',\n 'them',\n 'then',\n 'there',\n 'these',\n 'they',\n 'this',\n 'tis',\n 'to',\n 'too',\n 'twas',\n 'us',\n 'wants',\n 'was',\n 'we',\n 'were',\n 'what',\n 'when',\n 'where',\n 'which',\n 'while',\n 'who',\n 'whom',\n 'why',\n 'will',\n 'with',\n 'would',\n 'yet',\n 'you',\n 'your'\n])\n\nlunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')\n/*!\n * lunr.trimmer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.trimmer is a pipeline function for trimming non word\n * characters from the beginning and end of tokens before they\n * enter the index.\n *\n * This implementation may not work correctly for non latin\n * characters and should either be removed or adapted for use\n * with languages with non-latin characters.\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token The token to pass through the filter\n * @returns {lunr.Token}\n * @see lunr.Pipeline\n */\nlunr.trimmer = function (token) {\n return token.update(function (s) {\n return s.replace(/^\\W+/, '').replace(/\\W+$/, '')\n })\n}\n\nlunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')\n/*!\n * lunr.TokenSet\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A token set is used to store the unique list of all tokens\n * within an index. Token sets are also used to represent an\n * incoming query to the index, this query token set and index\n * token set are then intersected to find which tokens to look\n * up in the inverted index.\n *\n * A token set can hold multiple tokens, as in the case of the\n * index token set, or it can hold a single token as in the\n * case of a simple query token set.\n *\n * Additionally token sets are used to perform wildcard matching.\n * Leading, contained and trailing wildcards are supported, and\n * from this edit distance matching can also be provided.\n *\n * Token sets are implemented as a minimal finite state automata,\n * where both common prefixes and suffixes are shared between tokens.\n * This helps to reduce the space used for storing the token set.\n *\n * @constructor\n */\nlunr.TokenSet = function () {\n this.final = false\n this.edges = {}\n this.id = lunr.TokenSet._nextId\n lunr.TokenSet._nextId += 1\n}\n\n/**\n * Keeps track of the next, auto increment, identifier to assign\n * to a new tokenSet.\n *\n * TokenSets require a unique identifier to be correctly minimised.\n *\n * @private\n */\nlunr.TokenSet._nextId = 1\n\n/**\n * Creates a TokenSet instance from the given sorted array of words.\n *\n * @param {String[]} arr - A sorted array of strings to create the set from.\n * @returns {lunr.TokenSet}\n * @throws Will throw an error if the input array is not sorted.\n */\nlunr.TokenSet.fromArray = function (arr) {\n var builder = new lunr.TokenSet.Builder\n\n for (var i = 0, len = arr.length; i < len; i++) {\n builder.insert(arr[i])\n }\n\n builder.finish()\n return builder.root\n}\n\n/**\n * Creates a token set from a query clause.\n *\n * @private\n * @param {Object} clause - A single clause from lunr.Query.\n * @param {string} clause.term - The query clause term.\n * @param {number} [clause.editDistance] - The optional edit distance for the term.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromClause = function (clause) {\n if ('editDistance' in clause) {\n return lunr.TokenSet.fromFuzzyString(clause.term, clause.editDistance)\n } else {\n return lunr.TokenSet.fromString(clause.term)\n }\n}\n\n/**\n * Creates a token set representing a single string with a specified\n * edit distance.\n *\n * Insertions, deletions, substitutions and transpositions are each\n * treated as an edit distance of 1.\n *\n * Increasing the allowed edit distance will have a dramatic impact\n * on the performance of both creating and intersecting these TokenSets.\n * It is advised to keep the edit distance less than 3.\n *\n * @param {string} str - The string to create the token set from.\n * @param {number} editDistance - The allowed edit distance to match.\n * @returns {lunr.Vector}\n */\nlunr.TokenSet.fromFuzzyString = function (str, editDistance) {\n var root = new lunr.TokenSet\n\n var stack = [{\n node: root,\n editsRemaining: editDistance,\n str: str\n }]\n\n while (stack.length) {\n var frame = stack.pop()\n\n // no edit\n if (frame.str.length > 0) {\n var char = frame.str.charAt(0),\n noEditNode\n\n if (char in frame.node.edges) {\n noEditNode = frame.node.edges[char]\n } else {\n noEditNode = new lunr.TokenSet\n frame.node.edges[char] = noEditNode\n }\n\n if (frame.str.length == 1) {\n noEditNode.final = true\n }\n\n stack.push({\n node: noEditNode,\n editsRemaining: frame.editsRemaining,\n str: frame.str.slice(1)\n })\n }\n\n if (frame.editsRemaining == 0) {\n continue\n }\n\n // insertion\n if (\"*\" in frame.node.edges) {\n var insertionNode = frame.node.edges[\"*\"]\n } else {\n var insertionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = insertionNode\n }\n\n if (frame.str.length == 0) {\n insertionNode.final = true\n }\n\n stack.push({\n node: insertionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str\n })\n\n // deletion\n // can only do a deletion if we have enough edits remaining\n // and if there are characters left to delete in the string\n if (frame.str.length > 1) {\n stack.push({\n node: frame.node,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // deletion\n // just removing the last character from the str\n if (frame.str.length == 1) {\n frame.node.final = true\n }\n\n // substitution\n // can only do a substitution if we have enough edits remaining\n // and if there are characters left to substitute\n if (frame.str.length >= 1) {\n if (\"*\" in frame.node.edges) {\n var substitutionNode = frame.node.edges[\"*\"]\n } else {\n var substitutionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = substitutionNode\n }\n\n if (frame.str.length == 1) {\n substitutionNode.final = true\n }\n\n stack.push({\n node: substitutionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // transposition\n // can only do a transposition if there are edits remaining\n // and there are enough characters to transpose\n if (frame.str.length > 1) {\n var charA = frame.str.charAt(0),\n charB = frame.str.charAt(1),\n transposeNode\n\n if (charB in frame.node.edges) {\n transposeNode = frame.node.edges[charB]\n } else {\n transposeNode = new lunr.TokenSet\n frame.node.edges[charB] = transposeNode\n }\n\n if (frame.str.length == 1) {\n transposeNode.final = true\n }\n\n stack.push({\n node: transposeNode,\n editsRemaining: frame.editsRemaining - 1,\n str: charA + frame.str.slice(2)\n })\n }\n }\n\n return root\n}\n\n/**\n * Creates a TokenSet from a string.\n *\n * The string may contain one or more wildcard characters (*)\n * that will allow wildcard matching when intersecting with\n * another TokenSet.\n *\n * @param {string} str - The string to create a TokenSet from.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromString = function (str) {\n var node = new lunr.TokenSet,\n root = node\n\n /*\n * Iterates through all characters within the passed string\n * appending a node for each character.\n *\n * When a wildcard character is found then a self\n * referencing edge is introduced to continually match\n * any number of any characters.\n */\n for (var i = 0, len = str.length; i < len; i++) {\n var char = str[i],\n final = (i == len - 1)\n\n if (char == \"*\") {\n node.edges[char] = node\n node.final = final\n\n } else {\n var next = new lunr.TokenSet\n next.final = final\n\n node.edges[char] = next\n node = next\n }\n }\n\n return root\n}\n\n/**\n * Converts this TokenSet into an array of strings\n * contained within the TokenSet.\n *\n * This is not intended to be used on a TokenSet that\n * contains wildcards, in these cases the results are\n * undefined and are likely to cause an infinite loop.\n *\n * @returns {string[]}\n */\nlunr.TokenSet.prototype.toArray = function () {\n var words = []\n\n var stack = [{\n prefix: \"\",\n node: this\n }]\n\n while (stack.length) {\n var frame = stack.pop(),\n edges = Object.keys(frame.node.edges),\n len = edges.length\n\n if (frame.node.final) {\n /* In Safari, at this point the prefix is sometimes corrupted, see:\n * https://github.com/olivernn/lunr.js/issues/279 Calling any\n * String.prototype method forces Safari to \"cast\" this string to what\n * it's supposed to be, fixing the bug. */\n frame.prefix.charAt(0)\n words.push(frame.prefix)\n }\n\n for (var i = 0; i < len; i++) {\n var edge = edges[i]\n\n stack.push({\n prefix: frame.prefix.concat(edge),\n node: frame.node.edges[edge]\n })\n }\n }\n\n return words\n}\n\n/**\n * Generates a string representation of a TokenSet.\n *\n * This is intended to allow TokenSets to be used as keys\n * in objects, largely to aid the construction and minimisation\n * of a TokenSet. As such it is not designed to be a human\n * friendly representation of the TokenSet.\n *\n * @returns {string}\n */\nlunr.TokenSet.prototype.toString = function () {\n // NOTE: Using Object.keys here as this.edges is very likely\n // to enter 'hash-mode' with many keys being added\n //\n // avoiding a for-in loop here as it leads to the function\n // being de-optimised (at least in V8). From some simple\n // benchmarks the performance is comparable, but allowing\n // V8 to optimize may mean easy performance wins in the future.\n\n if (this._str) {\n return this._str\n }\n\n var str = this.final ? '1' : '0',\n labels = Object.keys(this.edges).sort(),\n len = labels.length\n\n for (var i = 0; i < len; i++) {\n var label = labels[i],\n node = this.edges[label]\n\n str = str + label + node.id\n }\n\n return str\n}\n\n/**\n * Returns a new TokenSet that is the intersection of\n * this TokenSet and the passed TokenSet.\n *\n * This intersection will take into account any wildcards\n * contained within the TokenSet.\n *\n * @param {lunr.TokenSet} b - An other TokenSet to intersect with.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.prototype.intersect = function (b) {\n var output = new lunr.TokenSet,\n frame = undefined\n\n var stack = [{\n qNode: b,\n output: output,\n node: this\n }]\n\n while (stack.length) {\n frame = stack.pop()\n\n // NOTE: As with the #toString method, we are using\n // Object.keys and a for loop instead of a for-in loop\n // as both of these objects enter 'hash' mode, causing\n // the function to be de-optimised in V8\n var qEdges = Object.keys(frame.qNode.edges),\n qLen = qEdges.length,\n nEdges = Object.keys(frame.node.edges),\n nLen = nEdges.length\n\n for (var q = 0; q < qLen; q++) {\n var qEdge = qEdges[q]\n\n for (var n = 0; n < nLen; n++) {\n var nEdge = nEdges[n]\n\n if (nEdge == qEdge || qEdge == '*') {\n var node = frame.node.edges[nEdge],\n qNode = frame.qNode.edges[qEdge],\n final = node.final && qNode.final,\n next = undefined\n\n if (nEdge in frame.output.edges) {\n // an edge already exists for this character\n // no need to create a new node, just set the finality\n // bit unless this node is already final\n next = frame.output.edges[nEdge]\n next.final = next.final || final\n\n } else {\n // no edge exists yet, must create one\n // set the finality bit and insert it\n // into the output\n next = new lunr.TokenSet\n next.final = final\n frame.output.edges[nEdge] = next\n }\n\n stack.push({\n qNode: qNode,\n output: next,\n node: node\n })\n }\n }\n }\n }\n\n return output\n}\nlunr.TokenSet.Builder = function () {\n this.previousWord = \"\"\n this.root = new lunr.TokenSet\n this.uncheckedNodes = []\n this.minimizedNodes = {}\n}\n\nlunr.TokenSet.Builder.prototype.insert = function (word) {\n var node,\n commonPrefix = 0\n\n if (word < this.previousWord) {\n throw new Error (\"Out of order word insertion\")\n }\n\n for (var i = 0; i < word.length && i < this.previousWord.length; i++) {\n if (word[i] != this.previousWord[i]) break\n commonPrefix++\n }\n\n this.minimize(commonPrefix)\n\n if (this.uncheckedNodes.length == 0) {\n node = this.root\n } else {\n node = this.uncheckedNodes[this.uncheckedNodes.length - 1].child\n }\n\n for (var i = commonPrefix; i < word.length; i++) {\n var nextNode = new lunr.TokenSet,\n char = word[i]\n\n node.edges[char] = nextNode\n\n this.uncheckedNodes.push({\n parent: node,\n char: char,\n child: nextNode\n })\n\n node = nextNode\n }\n\n node.final = true\n this.previousWord = word\n}\n\nlunr.TokenSet.Builder.prototype.finish = function () {\n this.minimize(0)\n}\n\nlunr.TokenSet.Builder.prototype.minimize = function (downTo) {\n for (var i = this.uncheckedNodes.length - 1; i >= downTo; i--) {\n var node = this.uncheckedNodes[i],\n childKey = node.child.toString()\n\n if (childKey in this.minimizedNodes) {\n node.parent.edges[node.char] = this.minimizedNodes[childKey]\n } else {\n // Cache the key for this node since\n // we know it can't change anymore\n node.child._str = childKey\n\n this.minimizedNodes[childKey] = node.child\n }\n\n this.uncheckedNodes.pop()\n }\n}\n/*!\n * lunr.Index\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * An index contains the built index of all documents and provides a query interface\n * to the index.\n *\n * Usually instances of lunr.Index will not be created using this constructor, instead\n * lunr.Builder should be used to construct new indexes, or lunr.Index.load should be\n * used to load previously built and serialized indexes.\n *\n * @constructor\n * @param {Object} attrs - The attributes of the built search index.\n * @param {Object} attrs.invertedIndex - An index of term/field to document reference.\n * @param {Object} attrs.fieldVectors - Field vectors\n * @param {lunr.TokenSet} attrs.tokenSet - An set of all corpus tokens.\n * @param {string[]} attrs.fields - The names of indexed document fields.\n * @param {lunr.Pipeline} attrs.pipeline - The pipeline to use for search terms.\n */\nlunr.Index = function (attrs) {\n this.invertedIndex = attrs.invertedIndex\n this.fieldVectors = attrs.fieldVectors\n this.tokenSet = attrs.tokenSet\n this.fields = attrs.fields\n this.pipeline = attrs.pipeline\n}\n\n/**\n * A result contains details of a document matching a search query.\n * @typedef {Object} lunr.Index~Result\n * @property {string} ref - The reference of the document this result represents.\n * @property {number} score - A number between 0 and 1 representing how similar this document is to the query.\n * @property {lunr.MatchData} matchData - Contains metadata about this match including which term(s) caused the match.\n */\n\n/**\n * Although lunr provides the ability to create queries using lunr.Query, it also provides a simple\n * query language which itself is parsed into an instance of lunr.Query.\n *\n * For programmatically building queries it is advised to directly use lunr.Query, the query language\n * is best used for human entered text rather than program generated text.\n *\n * At its simplest queries can just be a single term, e.g. `hello`, multiple terms are also supported\n * and will be combined with OR, e.g `hello world` will match documents that contain either 'hello'\n * or 'world', though those that contain both will rank higher in the results.\n *\n * Wildcards can be included in terms to match one or more unspecified characters, these wildcards can\n * be inserted anywhere within the term, and more than one wildcard can exist in a single term. Adding\n * wildcards will increase the number of documents that will be found but can also have a negative\n * impact on query performance, especially with wildcards at the beginning of a term.\n *\n * Terms can be restricted to specific fields, e.g. `title:hello`, only documents with the term\n * hello in the title field will match this query. Using a field not present in the index will lead\n * to an error being thrown.\n *\n * Modifiers can also be added to terms, lunr supports edit distance and boost modifiers on terms. A term\n * boost will make documents matching that term score higher, e.g. `foo^5`. Edit distance is also supported\n * to provide fuzzy matching, e.g. 'hello~2' will match documents with hello with an edit distance of 2.\n * Avoid large values for edit distance to improve query performance.\n *\n * Each term also supports a presence modifier. By default a term's presence in document is optional, however\n * this can be changed to either required or prohibited. For a term's presence to be required in a document the\n * term should be prefixed with a '+', e.g. `+foo bar` is a search for documents that must contain 'foo' and\n * optionally contain 'bar'. Conversely a leading '-' sets the terms presence to prohibited, i.e. it must not\n * appear in a document, e.g. `-foo bar` is a search for documents that do not contain 'foo' but may contain 'bar'.\n *\n * To escape special characters the backslash character '\\' can be used, this allows searches to include\n * characters that would normally be considered modifiers, e.g. `foo\\~2` will search for a term \"foo~2\" instead\n * of attempting to apply a boost of 2 to the search term \"foo\".\n *\n * @typedef {string} lunr.Index~QueryString\n * @example Simple single term query\n * hello\n * @example Multiple term query\n * hello world\n * @example term scoped to a field\n * title:hello\n * @example term with a boost of 10\n * hello^10\n * @example term with an edit distance of 2\n * hello~2\n * @example terms with presence modifiers\n * -foo +bar baz\n */\n\n/**\n * Performs a search against the index using lunr query syntax.\n *\n * Results will be returned sorted by their score, the most relevant results\n * will be returned first. For details on how the score is calculated, please see\n * the {@link https://lunrjs.com/guides/searching.html#scoring|guide}.\n *\n * For more programmatic querying use lunr.Index#query.\n *\n * @param {lunr.Index~QueryString} queryString - A string containing a lunr query.\n * @throws {lunr.QueryParseError} If the passed query string cannot be parsed.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.search = function (queryString) {\n return this.query(function (query) {\n var parser = new lunr.QueryParser(queryString, query)\n parser.parse()\n })\n}\n\n/**\n * A query builder callback provides a query object to be used to express\n * the query to perform on the index.\n *\n * @callback lunr.Index~queryBuilder\n * @param {lunr.Query} query - The query object to build up.\n * @this lunr.Query\n */\n\n/**\n * Performs a query against the index using the yielded lunr.Query object.\n *\n * If performing programmatic queries against the index, this method is preferred\n * over lunr.Index#search so as to avoid the additional query parsing overhead.\n *\n * A query object is yielded to the supplied function which should be used to\n * express the query to be run against the index.\n *\n * Note that although this function takes a callback parameter it is _not_ an\n * asynchronous operation, the callback is just yielded a query object to be\n * customized.\n *\n * @param {lunr.Index~queryBuilder} fn - A function that is used to build the query.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.query = function (fn) {\n // for each query clause\n // * process terms\n // * expand terms from token set\n // * find matching documents and metadata\n // * get document vectors\n // * score documents\n\n var query = new lunr.Query(this.fields),\n matchingFields = Object.create(null),\n queryVectors = Object.create(null),\n termFieldCache = Object.create(null),\n requiredMatches = Object.create(null),\n prohibitedMatches = Object.create(null)\n\n /*\n * To support field level boosts a query vector is created per\n * field. An empty vector is eagerly created to support negated\n * queries.\n */\n for (var i = 0; i < this.fields.length; i++) {\n queryVectors[this.fields[i]] = new lunr.Vector\n }\n\n fn.call(query, query)\n\n for (var i = 0; i < query.clauses.length; i++) {\n /*\n * Unless the pipeline has been disabled for this term, which is\n * the case for terms with wildcards, we need to pass the clause\n * term through the search pipeline. A pipeline returns an array\n * of processed terms. Pipeline functions may expand the passed\n * term, which means we may end up performing multiple index lookups\n * for a single query term.\n */\n var clause = query.clauses[i],\n terms = null,\n clauseMatches = lunr.Set.empty\n\n if (clause.usePipeline) {\n terms = this.pipeline.runString(clause.term, {\n fields: clause.fields\n })\n } else {\n terms = [clause.term]\n }\n\n for (var m = 0; m < terms.length; m++) {\n var term = terms[m]\n\n /*\n * Each term returned from the pipeline needs to use the same query\n * clause object, e.g. the same boost and or edit distance. The\n * simplest way to do this is to re-use the clause object but mutate\n * its term property.\n */\n clause.term = term\n\n /*\n * From the term in the clause we create a token set which will then\n * be used to intersect the indexes token set to get a list of terms\n * to lookup in the inverted index\n */\n var termTokenSet = lunr.TokenSet.fromClause(clause),\n expandedTerms = this.tokenSet.intersect(termTokenSet).toArray()\n\n /*\n * If a term marked as required does not exist in the tokenSet it is\n * impossible for the search to return any matches. We set all the field\n * scoped required matches set to empty and stop examining any further\n * clauses.\n */\n if (expandedTerms.length === 0 && clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = lunr.Set.empty\n }\n\n break\n }\n\n for (var j = 0; j < expandedTerms.length; j++) {\n /*\n * For each term get the posting and termIndex, this is required for\n * building the query vector.\n */\n var expandedTerm = expandedTerms[j],\n posting = this.invertedIndex[expandedTerm],\n termIndex = posting._index\n\n for (var k = 0; k < clause.fields.length; k++) {\n /*\n * For each field that this query term is scoped by (by default\n * all fields are in scope) we need to get all the document refs\n * that have this term in that field.\n *\n * The posting is the entry in the invertedIndex for the matching\n * term from above.\n */\n var field = clause.fields[k],\n fieldPosting = posting[field],\n matchingDocumentRefs = Object.keys(fieldPosting),\n termField = expandedTerm + \"/\" + field,\n matchingDocumentsSet = new lunr.Set(matchingDocumentRefs)\n\n /*\n * if the presence of this term is required ensure that the matching\n * documents are added to the set of required matches for this clause.\n *\n */\n if (clause.presence == lunr.Query.presence.REQUIRED) {\n clauseMatches = clauseMatches.union(matchingDocumentsSet)\n\n if (requiredMatches[field] === undefined) {\n requiredMatches[field] = lunr.Set.complete\n }\n }\n\n /*\n * if the presence of this term is prohibited ensure that the matching\n * documents are added to the set of prohibited matches for this field,\n * creating that set if it does not yet exist.\n */\n if (clause.presence == lunr.Query.presence.PROHIBITED) {\n if (prohibitedMatches[field] === undefined) {\n prohibitedMatches[field] = lunr.Set.empty\n }\n\n prohibitedMatches[field] = prohibitedMatches[field].union(matchingDocumentsSet)\n\n /*\n * Prohibited matches should not be part of the query vector used for\n * similarity scoring and no metadata should be extracted so we continue\n * to the next field\n */\n continue\n }\n\n /*\n * The query field vector is populated using the termIndex found for\n * the term and a unit value with the appropriate boost applied.\n * Using upsert because there could already be an entry in the vector\n * for the term we are working with. In that case we just add the scores\n * together.\n */\n queryVectors[field].upsert(termIndex, clause.boost, function (a, b) { return a + b })\n\n /**\n * If we've already seen this term, field combo then we've already collected\n * the matching documents and metadata, no need to go through all that again\n */\n if (termFieldCache[termField]) {\n continue\n }\n\n for (var l = 0; l < matchingDocumentRefs.length; l++) {\n /*\n * All metadata for this term/field/document triple\n * are then extracted and collected into an instance\n * of lunr.MatchData ready to be returned in the query\n * results\n */\n var matchingDocumentRef = matchingDocumentRefs[l],\n matchingFieldRef = new lunr.FieldRef (matchingDocumentRef, field),\n metadata = fieldPosting[matchingDocumentRef],\n fieldMatch\n\n if ((fieldMatch = matchingFields[matchingFieldRef]) === undefined) {\n matchingFields[matchingFieldRef] = new lunr.MatchData (expandedTerm, field, metadata)\n } else {\n fieldMatch.add(expandedTerm, field, metadata)\n }\n\n }\n\n termFieldCache[termField] = true\n }\n }\n }\n\n /**\n * If the presence was required we need to update the requiredMatches field sets.\n * We do this after all fields for the term have collected their matches because\n * the clause terms presence is required in _any_ of the fields not _all_ of the\n * fields.\n */\n if (clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = requiredMatches[field].intersect(clauseMatches)\n }\n }\n }\n\n /**\n * Need to combine the field scoped required and prohibited\n * matching documents into a global set of required and prohibited\n * matches\n */\n var allRequiredMatches = lunr.Set.complete,\n allProhibitedMatches = lunr.Set.empty\n\n for (var i = 0; i < this.fields.length; i++) {\n var field = this.fields[i]\n\n if (requiredMatches[field]) {\n allRequiredMatches = allRequiredMatches.intersect(requiredMatches[field])\n }\n\n if (prohibitedMatches[field]) {\n allProhibitedMatches = allProhibitedMatches.union(prohibitedMatches[field])\n }\n }\n\n var matchingFieldRefs = Object.keys(matchingFields),\n results = [],\n matches = Object.create(null)\n\n /*\n * If the query is negated (contains only prohibited terms)\n * we need to get _all_ fieldRefs currently existing in the\n * index. This is only done when we know that the query is\n * entirely prohibited terms to avoid any cost of getting all\n * fieldRefs unnecessarily.\n *\n * Additionally, blank MatchData must be created to correctly\n * populate the results.\n */\n if (query.isNegated()) {\n matchingFieldRefs = Object.keys(this.fieldVectors)\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n var matchingFieldRef = matchingFieldRefs[i]\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRef)\n matchingFields[matchingFieldRef] = new lunr.MatchData\n }\n }\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n /*\n * Currently we have document fields that match the query, but we\n * need to return documents. The matchData and scores are combined\n * from multiple fields belonging to the same document.\n *\n * Scores are calculated by field, using the query vectors created\n * above, and combined into a final document score using addition.\n */\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRefs[i]),\n docRef = fieldRef.docRef\n\n if (!allRequiredMatches.contains(docRef)) {\n continue\n }\n\n if (allProhibitedMatches.contains(docRef)) {\n continue\n }\n\n var fieldVector = this.fieldVectors[fieldRef],\n score = queryVectors[fieldRef.fieldName].similarity(fieldVector),\n docMatch\n\n if ((docMatch = matches[docRef]) !== undefined) {\n docMatch.score += score\n docMatch.matchData.combine(matchingFields[fieldRef])\n } else {\n var match = {\n ref: docRef,\n score: score,\n matchData: matchingFields[fieldRef]\n }\n matches[docRef] = match\n results.push(match)\n }\n }\n\n /*\n * Sort the results objects by score, highest first.\n */\n return results.sort(function (a, b) {\n return b.score - a.score\n })\n}\n\n/**\n * Prepares the index for JSON serialization.\n *\n * The schema for this JSON blob will be described in a\n * separate JSON schema file.\n *\n * @returns {Object}\n */\nlunr.Index.prototype.toJSON = function () {\n var invertedIndex = Object.keys(this.invertedIndex)\n .sort()\n .map(function (term) {\n return [term, this.invertedIndex[term]]\n }, this)\n\n var fieldVectors = Object.keys(this.fieldVectors)\n .map(function (ref) {\n return [ref, this.fieldVectors[ref].toJSON()]\n }, this)\n\n return {\n version: lunr.version,\n fields: this.fields,\n fieldVectors: fieldVectors,\n invertedIndex: invertedIndex,\n pipeline: this.pipeline.toJSON()\n }\n}\n\n/**\n * Loads a previously serialized lunr.Index\n *\n * @param {Object} serializedIndex - A previously serialized lunr.Index\n * @returns {lunr.Index}\n */\nlunr.Index.load = function (serializedIndex) {\n var attrs = {},\n fieldVectors = {},\n serializedVectors = serializedIndex.fieldVectors,\n invertedIndex = Object.create(null),\n serializedInvertedIndex = serializedIndex.invertedIndex,\n tokenSetBuilder = new lunr.TokenSet.Builder,\n pipeline = lunr.Pipeline.load(serializedIndex.pipeline)\n\n if (serializedIndex.version != lunr.version) {\n lunr.utils.warn(\"Version mismatch when loading serialised index. Current version of lunr '\" + lunr.version + \"' does not match serialized index '\" + serializedIndex.version + \"'\")\n }\n\n for (var i = 0; i < serializedVectors.length; i++) {\n var tuple = serializedVectors[i],\n ref = tuple[0],\n elements = tuple[1]\n\n fieldVectors[ref] = new lunr.Vector(elements)\n }\n\n for (var i = 0; i < serializedInvertedIndex.length; i++) {\n var tuple = serializedInvertedIndex[i],\n term = tuple[0],\n posting = tuple[1]\n\n tokenSetBuilder.insert(term)\n invertedIndex[term] = posting\n }\n\n tokenSetBuilder.finish()\n\n attrs.fields = serializedIndex.fields\n\n attrs.fieldVectors = fieldVectors\n attrs.invertedIndex = invertedIndex\n attrs.tokenSet = tokenSetBuilder.root\n attrs.pipeline = pipeline\n\n return new lunr.Index(attrs)\n}\n/*!\n * lunr.Builder\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Builder performs indexing on a set of documents and\n * returns instances of lunr.Index ready for querying.\n *\n * All configuration of the index is done via the builder, the\n * fields to index, the document reference, the text processing\n * pipeline and document scoring parameters are all set on the\n * builder before indexing.\n *\n * @constructor\n * @property {string} _ref - Internal reference to the document reference field.\n * @property {string[]} _fields - Internal reference to the document fields to index.\n * @property {object} invertedIndex - The inverted index maps terms to document fields.\n * @property {object} documentTermFrequencies - Keeps track of document term frequencies.\n * @property {object} documentLengths - Keeps track of the length of documents added to the index.\n * @property {lunr.tokenizer} tokenizer - Function for splitting strings into tokens for indexing.\n * @property {lunr.Pipeline} pipeline - The pipeline performs text processing on tokens before indexing.\n * @property {lunr.Pipeline} searchPipeline - A pipeline for processing search terms before querying the index.\n * @property {number} documentCount - Keeps track of the total number of documents indexed.\n * @property {number} _b - A parameter to control field length normalization, setting this to 0 disabled normalization, 1 fully normalizes field lengths, the default value is 0.75.\n * @property {number} _k1 - A parameter to control how quickly an increase in term frequency results in term frequency saturation, the default value is 1.2.\n * @property {number} termIndex - A counter incremented for each unique term, used to identify a terms position in the vector space.\n * @property {array} metadataWhitelist - A list of metadata keys that have been whitelisted for entry in the index.\n */\nlunr.Builder = function () {\n this._ref = \"id\"\n this._fields = Object.create(null)\n this._documents = Object.create(null)\n this.invertedIndex = Object.create(null)\n this.fieldTermFrequencies = {}\n this.fieldLengths = {}\n this.tokenizer = lunr.tokenizer\n this.pipeline = new lunr.Pipeline\n this.searchPipeline = new lunr.Pipeline\n this.documentCount = 0\n this._b = 0.75\n this._k1 = 1.2\n this.termIndex = 0\n this.metadataWhitelist = []\n}\n\n/**\n * Sets the document field used as the document reference. Every document must have this field.\n * The type of this field in the document should be a string, if it is not a string it will be\n * coerced into a string by calling toString.\n *\n * The default ref is 'id'.\n *\n * The ref should _not_ be changed during indexing, it should be set before any documents are\n * added to the index. Changing it during indexing can lead to inconsistent results.\n *\n * @param {string} ref - The name of the reference field in the document.\n */\nlunr.Builder.prototype.ref = function (ref) {\n this._ref = ref\n}\n\n/**\n * A function that is used to extract a field from a document.\n *\n * Lunr expects a field to be at the top level of a document, if however the field\n * is deeply nested within a document an extractor function can be used to extract\n * the right field for indexing.\n *\n * @callback fieldExtractor\n * @param {object} doc - The document being added to the index.\n * @returns {?(string|object|object[])} obj - The object that will be indexed for this field.\n * @example Extracting a nested field\n * function (doc) { return doc.nested.field }\n */\n\n/**\n * Adds a field to the list of document fields that will be indexed. Every document being\n * indexed should have this field. Null values for this field in indexed documents will\n * not cause errors but will limit the chance of that document being retrieved by searches.\n *\n * All fields should be added before adding documents to the index. Adding fields after\n * a document has been indexed will have no effect on already indexed documents.\n *\n * Fields can be boosted at build time. This allows terms within that field to have more\n * importance when ranking search results. Use a field boost to specify that matches within\n * one field are more important than other fields.\n *\n * @param {string} fieldName - The name of a field to index in all documents.\n * @param {object} attributes - Optional attributes associated with this field.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this field.\n * @param {fieldExtractor} [attributes.extractor] - Function to extract a field from a document.\n * @throws {RangeError} fieldName cannot contain unsupported characters '/'\n */\nlunr.Builder.prototype.field = function (fieldName, attributes) {\n if (/\\//.test(fieldName)) {\n throw new RangeError (\"Field '\" + fieldName + \"' contains illegal character '/'\")\n }\n\n this._fields[fieldName] = attributes || {}\n}\n\n/**\n * A parameter to tune the amount of field length normalisation that is applied when\n * calculating relevance scores. A value of 0 will completely disable any normalisation\n * and a value of 1 will fully normalise field lengths. The default is 0.75. Values of b\n * will be clamped to the range 0 - 1.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.b = function (number) {\n if (number < 0) {\n this._b = 0\n } else if (number > 1) {\n this._b = 1\n } else {\n this._b = number\n }\n}\n\n/**\n * A parameter that controls the speed at which a rise in term frequency results in term\n * frequency saturation. The default value is 1.2. Setting this to a higher value will give\n * slower saturation levels, a lower value will result in quicker saturation.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.k1 = function (number) {\n this._k1 = number\n}\n\n/**\n * Adds a document to the index.\n *\n * Before adding fields to the index the index should have been fully setup, with the document\n * ref and all fields to index already having been specified.\n *\n * The document must have a field name as specified by the ref (by default this is 'id') and\n * it should have all fields defined for indexing, though null or undefined values will not\n * cause errors.\n *\n * Entire documents can be boosted at build time. Applying a boost to a document indicates that\n * this document should rank higher in search results than other documents.\n *\n * @param {object} doc - The document to add to the index.\n * @param {object} attributes - Optional attributes associated with this document.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this document.\n */\nlunr.Builder.prototype.add = function (doc, attributes) {\n var docRef = doc[this._ref],\n fields = Object.keys(this._fields)\n\n this._documents[docRef] = attributes || {}\n this.documentCount += 1\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i],\n extractor = this._fields[fieldName].extractor,\n field = extractor ? extractor(doc) : doc[fieldName],\n tokens = this.tokenizer(field, {\n fields: [fieldName]\n }),\n terms = this.pipeline.run(tokens),\n fieldRef = new lunr.FieldRef (docRef, fieldName),\n fieldTerms = Object.create(null)\n\n this.fieldTermFrequencies[fieldRef] = fieldTerms\n this.fieldLengths[fieldRef] = 0\n\n // store the length of this field for this document\n this.fieldLengths[fieldRef] += terms.length\n\n // calculate term frequencies for this field\n for (var j = 0; j < terms.length; j++) {\n var term = terms[j]\n\n if (fieldTerms[term] == undefined) {\n fieldTerms[term] = 0\n }\n\n fieldTerms[term] += 1\n\n // add to inverted index\n // create an initial posting if one doesn't exist\n if (this.invertedIndex[term] == undefined) {\n var posting = Object.create(null)\n posting[\"_index\"] = this.termIndex\n this.termIndex += 1\n\n for (var k = 0; k < fields.length; k++) {\n posting[fields[k]] = Object.create(null)\n }\n\n this.invertedIndex[term] = posting\n }\n\n // add an entry for this term/fieldName/docRef to the invertedIndex\n if (this.invertedIndex[term][fieldName][docRef] == undefined) {\n this.invertedIndex[term][fieldName][docRef] = Object.create(null)\n }\n\n // store all whitelisted metadata about this token in the\n // inverted index\n for (var l = 0; l < this.metadataWhitelist.length; l++) {\n var metadataKey = this.metadataWhitelist[l],\n metadata = term.metadata[metadataKey]\n\n if (this.invertedIndex[term][fieldName][docRef][metadataKey] == undefined) {\n this.invertedIndex[term][fieldName][docRef][metadataKey] = []\n }\n\n this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)\n }\n }\n\n }\n}\n\n/**\n * Calculates the average document length for this index\n *\n * @private\n */\nlunr.Builder.prototype.calculateAverageFieldLengths = function () {\n\n var fieldRefs = Object.keys(this.fieldLengths),\n numberOfFields = fieldRefs.length,\n accumulator = {},\n documentsWithField = {}\n\n for (var i = 0; i < numberOfFields; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n field = fieldRef.fieldName\n\n documentsWithField[field] || (documentsWithField[field] = 0)\n documentsWithField[field] += 1\n\n accumulator[field] || (accumulator[field] = 0)\n accumulator[field] += this.fieldLengths[fieldRef]\n }\n\n var fields = Object.keys(this._fields)\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i]\n accumulator[fieldName] = accumulator[fieldName] / documentsWithField[fieldName]\n }\n\n this.averageFieldLength = accumulator\n}\n\n/**\n * Builds a vector space model of every document using lunr.Vector\n *\n * @private\n */\nlunr.Builder.prototype.createFieldVectors = function () {\n var fieldVectors = {},\n fieldRefs = Object.keys(this.fieldTermFrequencies),\n fieldRefsLength = fieldRefs.length,\n termIdfCache = Object.create(null)\n\n for (var i = 0; i < fieldRefsLength; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n fieldName = fieldRef.fieldName,\n fieldLength = this.fieldLengths[fieldRef],\n fieldVector = new lunr.Vector,\n termFrequencies = this.fieldTermFrequencies[fieldRef],\n terms = Object.keys(termFrequencies),\n termsLength = terms.length\n\n\n var fieldBoost = this._fields[fieldName].boost || 1,\n docBoost = this._documents[fieldRef.docRef].boost || 1\n\n for (var j = 0; j < termsLength; j++) {\n var term = terms[j],\n tf = termFrequencies[term],\n termIndex = this.invertedIndex[term]._index,\n idf, score, scoreWithPrecision\n\n if (termIdfCache[term] === undefined) {\n idf = lunr.idf(this.invertedIndex[term], this.documentCount)\n termIdfCache[term] = idf\n } else {\n idf = termIdfCache[term]\n }\n\n score = idf * ((this._k1 + 1) * tf) / (this._k1 * (1 - this._b + this._b * (fieldLength / this.averageFieldLength[fieldName])) + tf)\n score *= fieldBoost\n score *= docBoost\n scoreWithPrecision = Math.round(score * 1000) / 1000\n // Converts 1.23456789 to 1.234.\n // Reducing the precision so that the vectors take up less\n // space when serialised. Doing it now so that they behave\n // the same before and after serialisation. Also, this is\n // the fastest approach to reducing a number's precision in\n // JavaScript.\n\n fieldVector.insert(termIndex, scoreWithPrecision)\n }\n\n fieldVectors[fieldRef] = fieldVector\n }\n\n this.fieldVectors = fieldVectors\n}\n\n/**\n * Creates a token set of all tokens in the index using lunr.TokenSet\n *\n * @private\n */\nlunr.Builder.prototype.createTokenSet = function () {\n this.tokenSet = lunr.TokenSet.fromArray(\n Object.keys(this.invertedIndex).sort()\n )\n}\n\n/**\n * Builds the index, creating an instance of lunr.Index.\n *\n * This completes the indexing process and should only be called\n * once all documents have been added to the index.\n *\n * @returns {lunr.Index}\n */\nlunr.Builder.prototype.build = function () {\n this.calculateAverageFieldLengths()\n this.createFieldVectors()\n this.createTokenSet()\n\n return new lunr.Index({\n invertedIndex: this.invertedIndex,\n fieldVectors: this.fieldVectors,\n tokenSet: this.tokenSet,\n fields: Object.keys(this._fields),\n pipeline: this.searchPipeline\n })\n}\n\n/**\n * Applies a plugin to the index builder.\n *\n * A plugin is a function that is called with the index builder as its context.\n * Plugins can be used to customise or extend the behaviour of the index\n * in some way. A plugin is just a function, that encapsulated the custom\n * behaviour that should be applied when building the index.\n *\n * The plugin function will be called with the index builder as its argument, additional\n * arguments can also be passed when calling use. The function will be called\n * with the index builder as its context.\n *\n * @param {Function} plugin The plugin to apply.\n */\nlunr.Builder.prototype.use = function (fn) {\n var args = Array.prototype.slice.call(arguments, 1)\n args.unshift(this)\n fn.apply(this, args)\n}\n/**\n * Contains and collects metadata about a matching document.\n * A single instance of lunr.MatchData is returned as part of every\n * lunr.Index~Result.\n *\n * @constructor\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n * @property {object} metadata - A cloned collection of metadata associated with this document.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData = function (term, field, metadata) {\n var clonedMetadata = Object.create(null),\n metadataKeys = Object.keys(metadata || {})\n\n // Cloning the metadata to prevent the original\n // being mutated during match data combination.\n // Metadata is kept in an array within the inverted\n // index so cloning the data can be done with\n // Array#slice\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n clonedMetadata[key] = metadata[key].slice()\n }\n\n this.metadata = Object.create(null)\n\n if (term !== undefined) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = clonedMetadata\n }\n}\n\n/**\n * An instance of lunr.MatchData will be created for every term that matches a\n * document. However only one instance is required in a lunr.Index~Result. This\n * method combines metadata from another instance of lunr.MatchData with this\n * objects metadata.\n *\n * @param {lunr.MatchData} otherMatchData - Another instance of match data to merge with this one.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData.prototype.combine = function (otherMatchData) {\n var terms = Object.keys(otherMatchData.metadata)\n\n for (var i = 0; i < terms.length; i++) {\n var term = terms[i],\n fields = Object.keys(otherMatchData.metadata[term])\n\n if (this.metadata[term] == undefined) {\n this.metadata[term] = Object.create(null)\n }\n\n for (var j = 0; j < fields.length; j++) {\n var field = fields[j],\n keys = Object.keys(otherMatchData.metadata[term][field])\n\n if (this.metadata[term][field] == undefined) {\n this.metadata[term][field] = Object.create(null)\n }\n\n for (var k = 0; k < keys.length; k++) {\n var key = keys[k]\n\n if (this.metadata[term][field][key] == undefined) {\n this.metadata[term][field][key] = otherMatchData.metadata[term][field][key]\n } else {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])\n }\n\n }\n }\n }\n}\n\n/**\n * Add metadata for a term/field pair to this instance of match data.\n *\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n */\nlunr.MatchData.prototype.add = function (term, field, metadata) {\n if (!(term in this.metadata)) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = metadata\n return\n }\n\n if (!(field in this.metadata[term])) {\n this.metadata[term][field] = metadata\n return\n }\n\n var metadataKeys = Object.keys(metadata)\n\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n\n if (key in this.metadata[term][field]) {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(metadata[key])\n } else {\n this.metadata[term][field][key] = metadata[key]\n }\n }\n}\n/**\n * A lunr.Query provides a programmatic way of defining queries to be performed\n * against a {@link lunr.Index}.\n *\n * Prefer constructing a lunr.Query using the {@link lunr.Index#query} method\n * so the query object is pre-initialized with the right index fields.\n *\n * @constructor\n * @property {lunr.Query~Clause[]} clauses - An array of query clauses.\n * @property {string[]} allFields - An array of all available fields in a lunr.Index.\n */\nlunr.Query = function (allFields) {\n this.clauses = []\n this.allFields = allFields\n}\n\n/**\n * Constants for indicating what kind of automatic wildcard insertion will be used when constructing a query clause.\n *\n * This allows wildcards to be added to the beginning and end of a term without having to manually do any string\n * concatenation.\n *\n * The wildcard constants can be bitwise combined to select both leading and trailing wildcards.\n *\n * @constant\n * @default\n * @property {number} wildcard.NONE - The term will have no wildcards inserted, this is the default behaviour\n * @property {number} wildcard.LEADING - Prepend the term with a wildcard, unless a leading wildcard already exists\n * @property {number} wildcard.TRAILING - Append a wildcard to the term, unless a trailing wildcard already exists\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with trailing wildcard\n * query.term('foo', { wildcard: lunr.Query.wildcard.TRAILING })\n * @example query term with leading and trailing wildcard\n * query.term('foo', {\n * wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING\n * })\n */\n\nlunr.Query.wildcard = new String (\"*\")\nlunr.Query.wildcard.NONE = 0\nlunr.Query.wildcard.LEADING = 1\nlunr.Query.wildcard.TRAILING = 2\n\n/**\n * Constants for indicating what kind of presence a term must have in matching documents.\n *\n * @constant\n * @enum {number}\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with required presence\n * query.term('foo', { presence: lunr.Query.presence.REQUIRED })\n */\nlunr.Query.presence = {\n /**\n * Term's presence in a document is optional, this is the default value.\n */\n OPTIONAL: 1,\n\n /**\n * Term's presence in a document is required, documents that do not contain\n * this term will not be returned.\n */\n REQUIRED: 2,\n\n /**\n * Term's presence in a document is prohibited, documents that do contain\n * this term will not be returned.\n */\n PROHIBITED: 3\n}\n\n/**\n * A single clause in a {@link lunr.Query} contains a term and details on how to\n * match that term against a {@link lunr.Index}.\n *\n * @typedef {Object} lunr.Query~Clause\n * @property {string[]} fields - The fields in an index this clause should be matched against.\n * @property {number} [boost=1] - Any boost that should be applied when matching this clause.\n * @property {number} [editDistance] - Whether the term should have fuzzy matching applied, and how fuzzy the match should be.\n * @property {boolean} [usePipeline] - Whether the term should be passed through the search pipeline.\n * @property {number} [wildcard=lunr.Query.wildcard.NONE] - Whether the term should have wildcards appended or prepended.\n * @property {number} [presence=lunr.Query.presence.OPTIONAL] - The terms presence in any matching documents.\n */\n\n/**\n * Adds a {@link lunr.Query~Clause} to this query.\n *\n * Unless the clause contains the fields to be matched all fields will be matched. In addition\n * a default boost of 1 is applied to the clause.\n *\n * @param {lunr.Query~Clause} clause - The clause to add to this query.\n * @see lunr.Query~Clause\n * @returns {lunr.Query}\n */\nlunr.Query.prototype.clause = function (clause) {\n if (!('fields' in clause)) {\n clause.fields = this.allFields\n }\n\n if (!('boost' in clause)) {\n clause.boost = 1\n }\n\n if (!('usePipeline' in clause)) {\n clause.usePipeline = true\n }\n\n if (!('wildcard' in clause)) {\n clause.wildcard = lunr.Query.wildcard.NONE\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.LEADING) && (clause.term.charAt(0) != lunr.Query.wildcard)) {\n clause.term = \"*\" + clause.term\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.TRAILING) && (clause.term.slice(-1) != lunr.Query.wildcard)) {\n clause.term = \"\" + clause.term + \"*\"\n }\n\n if (!('presence' in clause)) {\n clause.presence = lunr.Query.presence.OPTIONAL\n }\n\n this.clauses.push(clause)\n\n return this\n}\n\n/**\n * A negated query is one in which every clause has a presence of\n * prohibited. These queries require some special processing to return\n * the expected results.\n *\n * @returns boolean\n */\nlunr.Query.prototype.isNegated = function () {\n for (var i = 0; i < this.clauses.length; i++) {\n if (this.clauses[i].presence != lunr.Query.presence.PROHIBITED) {\n return false\n }\n }\n\n return true\n}\n\n/**\n * Adds a term to the current query, under the covers this will create a {@link lunr.Query~Clause}\n * to the list of clauses that make up this query.\n *\n * The term is used as is, i.e. no tokenization will be performed by this method. Instead conversion\n * to a token or token-like string should be done before calling this method.\n *\n * The term will be converted to a string by calling `toString`. Multiple terms can be passed as an\n * array, each term in the array will share the same options.\n *\n * @param {object|object[]} term - The term(s) to add to the query.\n * @param {object} [options] - Any additional properties to add to the query clause.\n * @returns {lunr.Query}\n * @see lunr.Query#clause\n * @see lunr.Query~Clause\n * @example adding a single term to a query\n * query.term(\"foo\")\n * @example adding a single term to a query and specifying search fields, term boost and automatic trailing wildcard\n * query.term(\"foo\", {\n * fields: [\"title\"],\n * boost: 10,\n * wildcard: lunr.Query.wildcard.TRAILING\n * })\n * @example using lunr.tokenizer to convert a string to tokens before using them as terms\n * query.term(lunr.tokenizer(\"foo bar\"))\n */\nlunr.Query.prototype.term = function (term, options) {\n if (Array.isArray(term)) {\n term.forEach(function (t) { this.term(t, lunr.utils.clone(options)) }, this)\n return this\n }\n\n var clause = options || {}\n clause.term = term.toString()\n\n this.clause(clause)\n\n return this\n}\nlunr.QueryParseError = function (message, start, end) {\n this.name = \"QueryParseError\"\n this.message = message\n this.start = start\n this.end = end\n}\n\nlunr.QueryParseError.prototype = new Error\nlunr.QueryLexer = function (str) {\n this.lexemes = []\n this.str = str\n this.length = str.length\n this.pos = 0\n this.start = 0\n this.escapeCharPositions = []\n}\n\nlunr.QueryLexer.prototype.run = function () {\n var state = lunr.QueryLexer.lexText\n\n while (state) {\n state = state(this)\n }\n}\n\nlunr.QueryLexer.prototype.sliceString = function () {\n var subSlices = [],\n sliceStart = this.start,\n sliceEnd = this.pos\n\n for (var i = 0; i < this.escapeCharPositions.length; i++) {\n sliceEnd = this.escapeCharPositions[i]\n subSlices.push(this.str.slice(sliceStart, sliceEnd))\n sliceStart = sliceEnd + 1\n }\n\n subSlices.push(this.str.slice(sliceStart, this.pos))\n this.escapeCharPositions.length = 0\n\n return subSlices.join('')\n}\n\nlunr.QueryLexer.prototype.emit = function (type) {\n this.lexemes.push({\n type: type,\n str: this.sliceString(),\n start: this.start,\n end: this.pos\n })\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.escapeCharacter = function () {\n this.escapeCharPositions.push(this.pos - 1)\n this.pos += 1\n}\n\nlunr.QueryLexer.prototype.next = function () {\n if (this.pos >= this.length) {\n return lunr.QueryLexer.EOS\n }\n\n var char = this.str.charAt(this.pos)\n this.pos += 1\n return char\n}\n\nlunr.QueryLexer.prototype.width = function () {\n return this.pos - this.start\n}\n\nlunr.QueryLexer.prototype.ignore = function () {\n if (this.start == this.pos) {\n this.pos += 1\n }\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.backup = function () {\n this.pos -= 1\n}\n\nlunr.QueryLexer.prototype.acceptDigitRun = function () {\n var char, charCode\n\n do {\n char = this.next()\n charCode = char.charCodeAt(0)\n } while (charCode > 47 && charCode < 58)\n\n if (char != lunr.QueryLexer.EOS) {\n this.backup()\n }\n}\n\nlunr.QueryLexer.prototype.more = function () {\n return this.pos < this.length\n}\n\nlunr.QueryLexer.EOS = 'EOS'\nlunr.QueryLexer.FIELD = 'FIELD'\nlunr.QueryLexer.TERM = 'TERM'\nlunr.QueryLexer.EDIT_DISTANCE = 'EDIT_DISTANCE'\nlunr.QueryLexer.BOOST = 'BOOST'\nlunr.QueryLexer.PRESENCE = 'PRESENCE'\n\nlunr.QueryLexer.lexField = function (lexer) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.FIELD)\n lexer.ignore()\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexTerm = function (lexer) {\n if (lexer.width() > 1) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.TERM)\n }\n\n lexer.ignore()\n\n if (lexer.more()) {\n return lunr.QueryLexer.lexText\n }\n}\n\nlunr.QueryLexer.lexEditDistance = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexBoost = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.BOOST)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexEOS = function (lexer) {\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n}\n\n// This matches the separator used when tokenising fields\n// within a document. These should match otherwise it is\n// not possible to search for some tokens within a document.\n//\n// It is possible for the user to change the separator on the\n// tokenizer so it _might_ clash with any other of the special\n// characters already used within the search string, e.g. :.\n//\n// This means that it is possible to change the separator in\n// such a way that makes some words unsearchable using a search\n// string.\nlunr.QueryLexer.termSeparator = lunr.tokenizer.separator\n\nlunr.QueryLexer.lexText = function (lexer) {\n while (true) {\n var char = lexer.next()\n\n if (char == lunr.QueryLexer.EOS) {\n return lunr.QueryLexer.lexEOS\n }\n\n // Escape character is '\\'\n if (char.charCodeAt(0) == 92) {\n lexer.escapeCharacter()\n continue\n }\n\n if (char == \":\") {\n return lunr.QueryLexer.lexField\n }\n\n if (char == \"~\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexEditDistance\n }\n\n if (char == \"^\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexBoost\n }\n\n // \"+\" indicates term presence is required\n // checking for length to ensure that only\n // leading \"+\" are considered\n if (char == \"+\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n // \"-\" indicates term presence is prohibited\n // checking for length to ensure that only\n // leading \"-\" are considered\n if (char == \"-\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n if (char.match(lunr.QueryLexer.termSeparator)) {\n return lunr.QueryLexer.lexTerm\n }\n }\n}\n\nlunr.QueryParser = function (str, query) {\n this.lexer = new lunr.QueryLexer (str)\n this.query = query\n this.currentClause = {}\n this.lexemeIdx = 0\n}\n\nlunr.QueryParser.prototype.parse = function () {\n this.lexer.run()\n this.lexemes = this.lexer.lexemes\n\n var state = lunr.QueryParser.parseClause\n\n while (state) {\n state = state(this)\n }\n\n return this.query\n}\n\nlunr.QueryParser.prototype.peekLexeme = function () {\n return this.lexemes[this.lexemeIdx]\n}\n\nlunr.QueryParser.prototype.consumeLexeme = function () {\n var lexeme = this.peekLexeme()\n this.lexemeIdx += 1\n return lexeme\n}\n\nlunr.QueryParser.prototype.nextClause = function () {\n var completedClause = this.currentClause\n this.query.clause(completedClause)\n this.currentClause = {}\n}\n\nlunr.QueryParser.parseClause = function (parser) {\n var lexeme = parser.peekLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.type) {\n case lunr.QueryLexer.PRESENCE:\n return lunr.QueryParser.parsePresence\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expected either a field or a term, found \" + lexeme.type\n\n if (lexeme.str.length >= 1) {\n errorMessage += \" with value '\" + lexeme.str + \"'\"\n }\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n}\n\nlunr.QueryParser.parsePresence = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.str) {\n case \"-\":\n parser.currentClause.presence = lunr.Query.presence.PROHIBITED\n break\n case \"+\":\n parser.currentClause.presence = lunr.Query.presence.REQUIRED\n break\n default:\n var errorMessage = \"unrecognised presence operator'\" + lexeme.str + \"'\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term or field, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term or field, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseField = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n if (parser.query.allFields.indexOf(lexeme.str) == -1) {\n var possibleFields = parser.query.allFields.map(function (f) { return \"'\" + f + \"'\" }).join(', '),\n errorMessage = \"unrecognised field '\" + lexeme.str + \"', possible fields: \" + possibleFields\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.fields = [lexeme.str]\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseTerm = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n parser.currentClause.term = lexeme.str.toLowerCase()\n\n if (lexeme.str.indexOf(\"*\") != -1) {\n parser.currentClause.usePipeline = false\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseEditDistance = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var editDistance = parseInt(lexeme.str, 10)\n\n if (isNaN(editDistance)) {\n var errorMessage = \"edit distance must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.editDistance = editDistance\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseBoost = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var boost = parseInt(lexeme.str, 10)\n\n if (isNaN(boost)) {\n var errorMessage = \"boost must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.boost = boost\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\n /**\n * export the module via AMD, CommonJS or as a browser global\n * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js\n */\n ;(function (root, factory) {\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory)\n } else if (typeof exports === 'object') {\n /**\n * Node. Does not work with strict CommonJS, but\n * only CommonJS-like enviroments that support module.exports,\n * like Node.\n */\n module.exports = factory()\n } else {\n // Browser globals (root is window)\n root.lunr = factory()\n }\n }(this, function () {\n /**\n * Just return a value to define the module export.\n * This example returns an object, but the module\n * can return a function as the exported value.\n */\n return lunr\n }))\n})();\n", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport lunr from \"lunr\"\n\nimport \"~/polyfills\"\n\nimport { Search, SearchIndexConfig } from \"../../_\"\nimport {\n SearchMessage,\n SearchMessageType\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Add support for usage with `iframe-worker` polyfill\n *\n * While `importScripts` is synchronous when executed inside of a web worker,\n * it's not possible to provide a synchronous polyfilled implementation. The\n * cool thing is that awaiting a non-Promise is a noop, so extending the type\n * definition to return a `Promise` shouldn't break anything.\n *\n * @see https://bit.ly/2PjDnXi - GitHub comment\n */\ndeclare global {\n function importScripts(...urls: string[]): Promise | void\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nlet index: Search\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch (= import) multi-language support through `lunr-languages`\n *\n * This function automatically imports the stemmers necessary to process the\n * languages, which are defined through the search index configuration.\n *\n * If the worker runs inside of an `iframe` (when using `iframe-worker` as\n * a shim), the base URL for the stemmers to be loaded must be determined by\n * searching for the first `script` element with a `src` attribute, which will\n * contain the contents of this script.\n *\n * @param config - Search index configuration\n *\n * @returns Promise resolving with no result\n */\nasync function setupSearchLanguages(\n config: SearchIndexConfig\n): Promise {\n let base = \"../lunr\"\n\n /* Detect `iframe-worker` and fix base URL */\n if (typeof parent !== \"undefined\" && \"IFrameWorker\" in parent) {\n const worker = document.querySelector(\"script[src]\")!\n const [path] = worker.src.split(\"/worker\")\n\n /* Prefix base with path */\n base = base.replace(\"..\", path)\n }\n\n /* Add scripts for languages */\n const scripts = []\n for (const lang of config.lang) {\n switch (lang) {\n\n /* Add segmenter for Japanese */\n case \"ja\":\n scripts.push(`${base}/tinyseg.js`)\n break\n\n /* Add segmenter for Hindi and Thai */\n case \"hi\":\n case \"th\":\n scripts.push(`${base}/wordcut.js`)\n break\n }\n\n /* Add language support */\n if (lang !== \"en\")\n scripts.push(`${base}/min/lunr.${lang}.min.js`)\n }\n\n /* Add multi-language support */\n if (config.lang.length > 1)\n scripts.push(`${base}/min/lunr.multi.min.js`)\n\n /* Load scripts synchronously */\n if (scripts.length)\n await importScripts(\n `${base}/min/lunr.stemmer.support.min.js`,\n ...scripts\n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Message handler\n *\n * @param message - Source message\n *\n * @returns Target message\n */\nexport async function handler(\n message: SearchMessage\n): Promise {\n switch (message.type) {\n\n /* Search setup message */\n case SearchMessageType.SETUP:\n await setupSearchLanguages(message.data.config)\n index = new Search(message.data)\n return {\n type: SearchMessageType.READY\n }\n\n /* Search query message */\n case SearchMessageType.QUERY:\n return {\n type: SearchMessageType.RESULT,\n data: index ? index.search(message.data) : { items: [] }\n }\n\n /* All other messages */\n default:\n throw new TypeError(\"Invalid message type\")\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Worker\n * ------------------------------------------------------------------------- */\n\n/* @ts-expect-error - expose Lunr.js in global scope, or stemmers won't work */\nself.lunr = lunr\n\n/* Handle messages */\naddEventListener(\"message\", async ev => {\n postMessage(await handler(ev.data))\n})\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n Object.entries = function (obj: object) {\n const data: [string, string][] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n data.push([key, obj[key]])\n\n /* Return entries */\n return data\n }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n Object.values = function (obj: object) {\n const data: string[] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n data.push(obj[key])\n\n /* Return values */\n return data\n }\n\n/* ------------------------------------------------------------------------- */\n\n/* Polyfills for `Element` */\nif (typeof Element !== \"undefined\") {\n\n /* Polyfill `Element.scrollTo` */\n if (!Element.prototype.scrollTo)\n Element.prototype.scrollTo = function (\n x?: ScrollToOptions | number, y?: number\n ): void {\n if (typeof x === \"object\") {\n this.scrollLeft = x.left!\n this.scrollTop = x.top!\n } else {\n this.scrollLeft = x!\n this.scrollTop = y!\n }\n }\n\n /* Polyfill `Element.replaceWith` */\n if (!Element.prototype.replaceWith)\n Element.prototype.replaceWith = function (\n ...nodes: Array\n ): void {\n const parent = this.parentNode\n if (parent) {\n if (nodes.length === 0)\n parent.removeChild(this)\n\n /* Replace children and create text nodes */\n for (let i = nodes.length - 1; i >= 0; i--) {\n let node = nodes[i]\n if (typeof node === \"string\")\n node = document.createTextNode(node)\n else if (node.parentNode)\n node.parentNode.removeChild(node)\n\n /* Replace child or insert before previous sibling */\n if (!i)\n parent.replaceChild(node, this)\n else\n parent.insertBefore(this.previousSibling!, node)\n }\n }\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n parent?: SearchIndexDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n const parents = new Set()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location, title and tags */\n const location = doc.location\n const title = doc.title\n const tags = doc.tags\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path)!\n\n /* Ignore first section, override article */\n if (!parents.has(parent)) {\n parent.title = doc.title\n parent.text = text\n\n /* Remember that we processed the article */\n parents.add(parent)\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n ...tags && { tags }\n })\n }\n }\n return documents\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexConfig } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n * @param escape - Whether to escape HTML\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig, escape: boolean\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (query: string) => {\n query = query\n .replace(/[\\s*+\\-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n query\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight string value */\n return value => (\n escape\n ? escapeHTML(value)\n : value\n )\n .replace(match, highlight)\n .replace(/<\\/mark>(\\s+)]*>/img, \"$1\")\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query clause\n */\nexport interface SearchQueryClause {\n presence: lunr.Query.presence /* Clause presence */\n term: string /* Clause term */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search query terms\n */\nexport type SearchQueryTerms = Record\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Parse a search query for analysis\n *\n * @param value - Query value\n *\n * @returns Search query clauses\n */\nexport function parseSearchQuery(\n value: string\n): SearchQueryClause[] {\n const query = new (lunr as any).Query([\"title\", \"text\"])\n const parser = new (lunr as any).QueryParser(value, query)\n\n /* Parse and return query clauses */\n parser.parse()\n return query.clauses\n}\n\n/**\n * Analyze the search query clauses in regard to the search terms found\n *\n * @param query - Search query clauses\n * @param terms - Search terms\n *\n * @returns Search query terms\n */\nexport function getSearchQueryTerms(\n query: SearchQueryClause[], terms: string[]\n): SearchQueryTerms {\n const clauses = new Set(query)\n\n /* Match query clauses against terms */\n const result: SearchQueryTerms = {}\n for (let t = 0; t < terms.length; t++)\n for (const clause of clauses)\n if (terms[t].startsWith(clause.term)) {\n result[clause.term] = true\n clauses.delete(clause)\n }\n\n /* Annotate unmatched non-stopword query clauses */\n for (const clause of clauses)\n if (lunr.stopWordFilter?.(clause.term as any))\n result[clause.term] = false\n\n /* Return query terms */\n return result\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n SearchDocument,\n SearchDocumentMap,\n setupSearchDocumentMap\n} from \"../document\"\nimport {\n SearchHighlightFactoryFn,\n setupSearchHighlighter\n} from \"../highlighter\"\nimport { SearchOptions } from \"../options\"\nimport {\n SearchQueryTerms,\n getSearchQueryTerms,\n parseSearchQuery\n} from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index configuration\n */\nexport interface SearchIndexConfig {\n lang: string[] /* Search languages */\n separator: string /* Search separator */\n}\n\n/**\n * Search index document\n */\nexport interface SearchIndexDocument {\n location: string /* Document location */\n title: string /* Document title */\n text: string /* Document text */\n tags?: string[] /* Document tags */\n boost?: number /* Document boost */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index\n *\n * This interfaces describes the format of the `search_index.json` file which\n * is automatically built by the MkDocs search plugin.\n */\nexport interface SearchIndex {\n config: SearchIndexConfig /* Search index configuration */\n docs: SearchIndexDocument[] /* Search index documents */\n options: SearchOptions /* Search options */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search metadata\n */\nexport interface SearchMetadata {\n score: number /* Score (relevance) */\n terms: SearchQueryTerms /* Search query terms */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result document\n */\nexport type SearchResultDocument = SearchDocument & SearchMetadata\n\n/**\n * Search result item\n */\nexport type SearchResultItem = SearchResultDocument[]\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result\n */\nexport interface SearchResult {\n items: SearchResultItem[] /* Search result items */\n suggestions?: string[] /* Search suggestions */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute the difference of two lists of strings\n *\n * @param a - 1st list of strings\n * @param b - 2nd list of strings\n *\n * @returns Difference\n */\nfunction difference(a: string[], b: string[]): string[] {\n const [x, y] = [new Set(a), new Set(b)]\n return [\n ...new Set([...x].filter(value => !y.has(value)))\n ]\n}\n\n/* ----------------------------------------------------------------------------\n * Class\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nexport class Search {\n\n /**\n * Search document mapping\n *\n * A mapping of URLs (including hash fragments) to the actual articles and\n * sections of the documentation. The search document mapping must be created\n * regardless of whether the index was prebuilt or not, as Lunr.js itself\n * only stores the actual index.\n */\n protected documents: SearchDocumentMap\n\n /**\n * Search highlight factory function\n */\n protected highlight: SearchHighlightFactoryFn\n\n /**\n * The underlying Lunr.js search index\n */\n protected index: lunr.Index\n\n /**\n * Search options\n */\n protected options: SearchOptions\n\n /**\n * Create the search integration\n *\n * @param data - Search index\n */\n public constructor({ config, docs, options }: SearchIndex) {\n this.options = options\n\n /* Set up document map and highlighter factory */\n this.documents = setupSearchDocumentMap(docs)\n this.highlight = setupSearchHighlighter(config, false)\n\n /* Set separator for tokenizer */\n lunr.tokenizer.separator = new RegExp(config.separator)\n\n /* Create search index */\n this.index = lunr(function () {\n\n /* Set up multi-language support */\n if (config.lang.length === 1 && config.lang[0] !== \"en\") {\n this.use((lunr as any)[config.lang[0]])\n } else if (config.lang.length > 1) {\n this.use((lunr as any).multiLanguage(...config.lang))\n }\n\n /* Compute functions to be removed from the pipeline */\n const fns = difference([\n \"trimmer\", \"stopWordFilter\", \"stemmer\"\n ], options.pipeline)\n\n /* Remove functions from the pipeline for registered languages */\n for (const lang of config.lang.map(language => (\n language === \"en\" ? lunr : (lunr as any)[language]\n ))) {\n for (const fn of fns) {\n this.pipeline.remove(lang[fn])\n this.searchPipeline.remove(lang[fn])\n }\n }\n\n /* Set up reference */\n this.ref(\"location\")\n\n /* Set up fields */\n this.field(\"title\", { boost: 1e3 })\n this.field(\"text\")\n this.field(\"tags\", { boost: 1e6, extractor: doc => {\n const { tags = [] } = doc as SearchDocument\n return tags.reduce((list, tag) => [\n ...list,\n ...lunr.tokenizer(tag)\n ], [] as lunr.Token[])\n } })\n\n /* Index documents */\n for (const doc of docs)\n this.add(doc, { boost: doc.boost })\n })\n }\n\n /**\n * Search for matching documents\n *\n * The search index which MkDocs provides is divided up into articles, which\n * contain the whole content of the individual pages, and sections, which only\n * contain the contents of the subsections obtained by breaking the individual\n * pages up at `h1` ... `h6`. As there may be many sections on different pages\n * with identical titles (for example within this very project, e.g. \"Usage\"\n * or \"Installation\"), they need to be put into the context of the containing\n * page. For this reason, section results are grouped within their respective\n * articles which are the top-level results that are returned.\n *\n * @param query - Query value\n *\n * @returns Search results\n */\n public search(query: string): SearchResult {\n if (query) {\n try {\n const highlight = this.highlight(query)\n\n /* Parse query to extract clauses for analysis */\n const clauses = parseSearchQuery(query)\n .filter(clause => (\n clause.presence !== lunr.Query.presence.PROHIBITED\n ))\n\n /* Perform search and post-process results */\n const groups = this.index.search(`${query}*`)\n\n /* Apply post-query boosts based on title and search query terms */\n .reduce((item, { ref, score, matchData }) => {\n const document = this.documents.get(ref)\n if (typeof document !== \"undefined\") {\n const { location, title, text, tags, parent } = document\n\n /* Compute and analyze search query terms */\n const terms = getSearchQueryTerms(\n clauses,\n Object.keys(matchData.metadata)\n )\n\n /* Highlight title and text and apply post-query boosts */\n const boost = +!parent + +Object.values(terms).every(t => t)\n item.push({\n location,\n title: highlight(title),\n text: highlight(text),\n ...tags && { tags: tags.map(highlight) },\n score: score * (1 + boost),\n terms\n })\n }\n return item\n }, [])\n\n /* Sort search results again after applying boosts */\n .sort((a, b) => b.score - a.score)\n\n /* Group search results by page */\n .reduce((items, result) => {\n const document = this.documents.get(result.location)\n if (typeof document !== \"undefined\") {\n const ref = \"parent\" in document\n ? document.parent!.location\n : document.location\n items.set(ref, [...items.get(ref) || [], result])\n }\n return items\n }, new Map())\n\n /* Generate search suggestions, if desired */\n let suggestions: string[] | undefined\n if (this.options.suggestions) {\n const titles = this.index.query(builder => {\n for (const clause of clauses)\n builder.term(clause.term, {\n fields: [\"title\"],\n presence: lunr.Query.presence.REQUIRED,\n wildcard: lunr.Query.wildcard.TRAILING\n })\n })\n\n /* Retrieve suggestions for best match */\n suggestions = titles.length\n ? Object.keys(titles[0].matchData.metadata)\n : []\n }\n\n /* Return items and suggestions */\n return {\n items: [...groups.values()],\n ...typeof suggestions !== \"undefined\" && { suggestions }\n }\n\n /* Log errors to console (for now) */\n } catch {\n console.warn(`Invalid query: ${query} \u2013 see https://bit.ly/2s3ChXG`)\n }\n }\n\n /* Return nothing in case of error or empty query */\n return { items: [] }\n }\n}\n"], + "mappings": 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\ No newline at end of file diff --git a/_old/F23/hall-of-fame/index.html b/_old/F23/hall-of-fame/index.html new file mode 100644 index 000000000..c107ed9c9 --- /dev/null +++ b/_old/F23/hall-of-fame/index.html @@ -0,0 +1,1184 @@ + + + + + + + + + + + + + + + + Hall of Fame - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Hall of Fame

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    A list of student groups with links to their merged PRs in open source projects.

    +

    2022 Fall

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    Group NameTeam MembersProjectMerged PRs
    allnightersFatima Alsafar, Mariam Al Thani, Danagul AzimzhanovaOpen Library#7149
    Team QueensAnastasia Cheypesh, Shaikha Al Emadi, Fangjiao Xu, Noor AltamimiCompanionship Care#153
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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/index.html b/_old/F23/index.html new file mode 100644 index 000000000..2abb98ba7 --- /dev/null +++ b/_old/F23/index.html @@ -0,0 +1,3819 @@ + + + + + + + + + + + + + + + + CMU 17-313: Foundations of Software Engineering - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    17-313 Foundations of Software Engineering

    +

    This Week

    +
    +
    + Lectures & Readings +
    +
    + + +
    + Intro +
    +
    + calendar_month + Sun Aug 20 +
    + + + + slideshow + Slides + + + + + +
    + + +
    + Metrics and Measurements +
    +
    + calendar_month + Tue Aug 22 +
    + + + + slideshow + Slides + + + + + + link + Team Formation Survey + + + + + +
    + +
    + +
    +
    + Recitation +
    +
    + +
    + Recitation 1 - GitHub and TS +
    + + + + slideshowSlides + + + + + + descriptionHandout + + + + + +
    + +
    + Office Hours +
    +
    + Held on the ARC. See class calendar below for exact times! +
    + +
    + +
    +
    + Projects +
    +
    + + +
    + Project 1 +
    + +
    + calendar_month + Released Sun Aug 20 +
    + + +
    + calendar_month + Due Wed Aug 30 @ 10:00pm +
    + + + + + descriptionHandout + + + + + +
    + +
    + +
    + +

    Class Calendar

    + + +

    Weekly Schedule

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    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    DateLectureReadingRecitationProject Deadline
    Sun Aug 20 + + + Intro + + + + + + Project 1 +
    + Due Wed Aug 30 @ 10:00pm +
    + + + + descriptionHandout + + +
    Mon Aug 21 + + + +
    Tue Aug 22 + + + Metrics and Measurements + + + + + + Team Formation Survey + + +
    Wed Aug 23 + + + +
    Thu Aug 24 + + + + + Recitation 1 - GitHub and TS +
    + + + + slideshowSlides + + + + + + descriptionHandout + + + + +
    Sun Aug 27 + + + Boeing 737 MAX: Case Study + + + + + + Boeing 737 Max + + +
    Mon Aug 28 + + + +
    Tue Aug 29 + + + Process, Estimation, Milestones + + + + +
    Wed Aug 30 + + + +
    Thu Aug 31 + + + + + Recitation 2 - Team Contract +
    + + + + slideshowSlides + + + + + + +     		+ Project 2A +
    + Due Thu September 7 @ 11:59pm +
    + + + + descriptionHandout + + +
    Sun Sep 03 + + + Teams + + + + +
    Mon Sep 04 + + + +
    Tue Sep 05 + + + Software Archeology and Anthropology + + + + +
    Wed Sep 06 + + + +
    Thu Sep 07 + + + + + Recitation 3 - Software Archeology +
    + + + + slideshowSlides + + + + + + descriptionHandout + + + + +
    Sun Sep 10 + + NO CLASS + + + + + Project 2B +
    + Due Tue September 19 @ 11:59pm +
    + + + + descriptionHandout + + +
    Mon Sep 11 + + + +
    Tue Sep 12 + + + Risk Management + + + + +
    Wed Sep 13 + + + +
    Thu Sep 14 + + + + + Recitation 4: Team Dysfunctions +
    + + + + slideshowSlides + + + + + + +
    Sun Sep 17 + + + Intro to Architecture + + + + +
    Mon Sep 18 + + + +
    Tue Sep 19 + + + Microservices + + + + +
    Wed Sep 20 + + + + + Project 2C +
    + Due Thu October 5 @ 11:59pm +
    + + + + descriptionHandout + + +
    Thu Sep 21 + + Sprint#1 Presentations + + + +
    Sun Sep 24 + + + Architecture/Design Docs + + + + +
    Mon Sep 25 + + + +
    Tue Sep 26 + + + Software Testing + + + + +
    Wed Sep 27 + + + +
    Thu Sep 28 + + + + + Recitation 5: Midterm Review +
    + + + + slideshowSlides + + + + + + descriptionHandout + + + + + + equalizerQuiz + + +
    Sun Oct 01 + + + +
    Mon Oct 02 + + + +
    Tue Oct 03 + + + Midterm + + + + +
    Wed Oct 04 + + + +
    Thu Oct 05 + + + +
    Sun Oct 08 + + + +
    Mon Oct 09 + + + +
    Tue Oct 10 + + + +
    Wed Oct 11 + + + +
    Thu Oct 12 + + + +
    Sun Oct 15 + + + QA/Static Analysis + + + + + + Project 3: Checkpoint +
    + Due Sun October 22 @ 11:59pm +
    + + + + descriptionHandout + + +
    Mon Oct 16 + + + +
    Tue Oct 17 + + + Advanced Testing + + + + +
    Wed Oct 18 + + + +
    Thu Oct 19 + + + + + Recitation 7 : Docker & Containerization +
    + + + + slideshowSlides + + + + + + descriptionHandout + + + + + + equalizerQuiz + + +
    Sun Oct 22 + + + SE4ML (I) + + + + +
    Mon Oct 23 + + + + + Project 3: Final +
    + Due Sun October 29 @ 11:59pm +
    + + + + descriptionHandout + + +
    Tue Oct 24 + + + SE4ML (II) + + + + +
    Wed Oct 25 + + + +
    Thu Oct 26 + + + + + Recitation 8: Feedback +
    + + + + slideshowSlides + + + + + + +
    Sun Oct 29 + + + SE4ML QA + + + + +
    Mon Oct 30 + + + + + Project 4: Checkpoint +
    + Due Mon November 6 @ 11:59pm +
    + + + + descriptionHandout + + +
    Tue Oct 31 + + + ML Workshop + + + + +
    Wed Nov 01 + + + +
    Thu Nov 02 + + + + + Recitation 9: Receiving Feedback +
    + + + + slideshowSlides + + + + + + descriptionHandout + + + + +
    Sun Nov 05 + + + Ethics + + + + +
    Mon Nov 06 + + + +
    Tue Nov 07 + + + SE Ethics + + + + + + Project 4: Final +
    + Due Mon November 13 @ 11:59pm +
    + + + + descriptionHandout + + +
    Wed Nov 08 + + + +
    Thu Nov 09 + + NO CLASS (BREAK) + + + +
    Sun Nov 12 + + Open Source + + + +
    Mon Nov 13 + + + +
    Tue Nov 14 + + + + + Recitation 10: Open Source Projects +
    + + + + slideshowSlides + + + + + + descriptionHandout + + + + +     		+ Project 5 Checkpoint +
    + Due Tue Nov 21 @ 11:59pm +
    + + + + descriptionHandout + + +
    Wed Nov 15 + + + +
    Thu Nov 16 + + + +
    Sun Nov 19 + + + +
    Mon Nov 20 + + + +
    Tue Nov 21 + + + +
    Wed Nov 22 + + + + + Project 5 Final +
    + Due Wed Dec 7 @ 11:59pm +
    + + + + descriptionHandout + + +
    Thu Nov 23 + + + +
    Sun Nov 26 + + + +
    Mon Nov 27 + + + +
    Tue Nov 28 + + + +
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    Sun Dec 03 + + + +
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    Wed Dec 06 + + + +
    Thu Dec 07 + + + +
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    +

    Staff

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    Instructor

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    +
    + +
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    + Eduardo Feo-Flushing +

    +
    + + mail + + + + public + + +
    +
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    +
    + + +
    + +

    Teaching Assistant

    +
    + + + +
    +
    + +
    +

    + Nour Ali +

    +
    + + mail + + +
    +
    +
    +
    + + +
    + +

    Course Assistants

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    + + + +
    +
    + +
    +

    + Maimoonah Al-Mashhadani +

    +
    + + mail + + +
    +
    +
    +
    + + +
    +
    + +
    +

    + Zhijie Xu +

    +
    + + mail + + +
    +
    +
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    + + +
    + + + + + + + + +
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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/overview/index.html b/_old/F23/overview/index.html new file mode 100644 index 000000000..0b7c89c3e --- /dev/null +++ b/_old/F23/overview/index.html @@ -0,0 +1,1249 @@ + + + + + + + + + + + + + + + + Course Overview - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Course Overview

    + +

    Questions

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      +
    • When is a program good enough to ship? Have you built what the customer wanted?
      • +
    • Why (and how) does Netflix deliberately and randomly take down its own servers?
      • +
    • What can we learn from the Boeing 737 disaster?
      • +
    • How did Twitter eradicate the Fail Whale? And what does it have to do with Ruby?
      • +
    • How do you get a patch accepted into an open-source project?
      • +
    • You can write code. Can you build software?
      • +
    +

    Overview

    +

    Successful software projects require more than just technical expertise. Figuring out what the client wants, collaborating in a team, managing complexity, mitigating risks, staying on time and budget, and determining under various constraints when a product is good enough to be shipped are at least equally important topics that often have a significant human component. 17-313 explores these issues while broadly covering the fundamentals of modern software engineering.

    +

    Assuming reasonably solid programming skills (including unit testing and code-level design), we will explore the following topics:

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      +
    • Process consideration for software development + (How do avoid problems early? When and how much to design? When and how much to test? When and how to involve the customers? Agile methods...)
      • +
    • Requirements elicitation, documentation, and evaluation + (How to figure out what the customer really wants? Who else has an interest? How can we measure success objectively? How can we reliably document expectations? ...)
      • +
    • Design for quality attributes + (How can we design a system to be able to scale to millions of users? How can we design security into a system? ...)
      • +
    • Strategies for quality assurance, including measurement, inspection, and static and dynamic analysis + (What quality assurance strategy is best for a given system? What can we automate and when should we keep humans in the loop? How much testing and what kind of testing should we do? What qualities are important to assure beyond functional correctness? Can we evaluate usability, scalability, reliability, performance? How can we statically guarantee the absence of certain security issues? ...)
      • +
    • Empirical methods in software engineering + (How can we measure quality attributes such as performance, security, and reliability? How can we measure how users interact with the system? How can we know whether the difference matters? ...)
      • +
    • Time and team management + (How to estimate the duration and costs of a project? How to monitor progress and risks to recognize issues early? How to coordinate developers in a team? How to form and develop teams? How to select and motivate team members? How to deal with team dynamics such as social loafing? ...)
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    • Economics of software development + (Business models, outsourcing, open source, ...)
      • +
    +

    This course has a strong technical focus, and includes assignments with and without programming. Many assignments will also have written components. Students will get experience with team management and modern software-engineering tools. The course puts students on a fast track toward project management positions.

    +

    Assignments (mostly done in groups) include:

    +
      +
    • An introduction assignment where individual students will learn to engage with an existing code base.
      • +
    • A requirements assignment in which each team will interview stakeholders to elicit and document requirements for a software system.
      • +
    • An architecture assignment in which teams will train and deploy an ML model using microservices.
      • +
    • A project in which each team contributes to an open source project of their choice. This involves identifying an issue in the existing project, understanding the development process of that project and how to contribute, and actually making a contribution such as fixing a bug or adding a feature. Extra credit will be awarded if the contribution is merged into the project.
      • +
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    Previous Course Iterations

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    Qatar

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    Fall 2022

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    Pittsburgh

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    Fall 2020 | Fall 2021 | Fall 2022 | Spring 2023

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    Frequently Asked Questions

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    This section is meant to contain frequently asked questions about the homework. We will continue to update this throughout the period the assignment is released!

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    Installation

    +

    I'm running into errors about missing files when running ./nodebb start!

    +

    Be sure you've compiled a build by running the build command ./nodebb build first, then try running the start command again.

    +

    Analysis Tools

    +

    Running the test suite stops immediately and throws a bunch of errors!

    +

    This usually happens if you don't have a test database configured correctly. Scroll up past the errors and copy over the test database configuration into the local config.json file.

    +

    For redis, you won't have to do any additional setup; for mongodb, you may have to explicitly create another test database. You can reference the installation instructions to get the commands for setting this up. Ask in Slack if you need assistance!

    +

    Other

    +

    How do I reset my NodeBB configurations?

    +

    Delete the config.json file and re-run the ./nodebb setup command.

    +

    How do I reset my NodeBB database?

    +

    Depending on your database setup, you will need to find the commands to delete all data stored in your database. For redis, this involves using the redis-cli to enter the database and using the FLUSHALL command.

    +

    Once you've cleared your database, delete your config.json file and re-run the ./nodebb setup command. You will need to reconfigure an admin account.

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    GitHub Exercise

    +

    Overview

    +

    The purpose of this exercise is to provide support for students who may be less familiar with Git and GitHub. After this exercise, students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the Git workflow and how to collaborate with other developers in their projects.

    +
    +

    Note

    +

    This exercise is optional and is meant to provide a sandbox environment for students who want to practice using Git and GitHub tools. Students should use their own discretion on whether this exercise is helpful or necessary to support their learning.

    +
    +

    Prerequisites

    + +

    Forking a Repository

    +

    Start by forking this repository to your personal account by clicking the Fork button at the top of the page. Then, under the General tab in Settings, check the "Issues" checkbox in the "Features" section to enable the issues pane for your repository.

    +

    GitHub Permissions

    +

    Clone the repository onto your local machine.

    +

    Running a GitHub Action Workflow

    +

    On GitHub, click the Actions tab, enable workflows by clicking the green button, then select the "Python Application" workflow. Click on the "Run workflow" dropdown. Double-check that the selected Branch is main, then click the "Run workflow" button. This manually will run the GitHub workflow that tests the Fibonacci function in fib.py using test_fib.py.

    +

    Once the action has finished running, click into the workflow and select "build". You should notice the action failing, meaning the test cases failed and our main branch is broken! Let's walk through the process to fix these errors.

    +
    +

    Tip

    +

    In practice, you should not merge code into the main branch that could cause it to fail. This way, we can ensure that all the code on the main branch represents our most recent fully-working product.

    +
    +

    Setting up a Project Board

    +

    Project boards are a great way to track development. Although there are many nice external tools such as Trello or Jira, GitHub provides their own project boards for us to use with great integration support of their other features.

    +

    Under the Projects tab, create a new project with the "Board" template. After the board has been created, go back to the Projects tab and link the project board to the repository.

    +

    Creating Issues

    +

    Check back on the build output in the Actions tab and take a look at which test cases are failing. Take note of the names of each test case - they should give you a hint as to what the bugs may be!

    +

    Under the Issues tab, create an issue for each failing test case.

    +
    +

    Issue Guidelines

    +

    Issues titles should provide a high-level overview of what the problem is (e.g. "Navbar button UI bugs", "Unexpected registration validation errors"). Sometimes, issues are used to propose new features (e.g. "Add CSV export feature").

    +

    Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files.

    +
    +

    Assign yourself to one of the issues and add the two issues to the project Kanban board under the "Todo" column.

    +

    You may also want to experiment with adding labels and milestones to your issues. These are all features you will be using in future projects!

    +

    Branching, Committing, and Pushing

    +

    On your local machine, create a new branch with a relevant name to the issue you are addressing.

    +
    +

    Branch Guidelines

    +

    Branch names should be short and provide a description of what you will be doing on that branch (e.g. "fix-header-sizing-issue", "fix-multiple-dialog-bug", "add-sorting-feature"). When working with others, you can also append your username to signal which branches are yours (e.g. "313ta/add-sorting-feature").

    +
    +

    Fix the issue that you were assigned to, then add and commit the changes.

    +
    +

    Commit Guidelines

    +

    Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. "Remove faulty condition from getCustomerDetails", "Fix failing CompositeTestCase", "Fix issue #21" ).

    +
    +

    Push the branch to remote by running: +

    % git push --set-upstream origin <your-branch-name>
+

    +

    Writing Pull Requests

    +

    On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch.

    +
    +

    Warning

    +

    Make sure you are merging to the main of your own forked repository! By default, GitHub will select the original repository (CMU-17313Q/...) instead of your own forked repository (your-username/...).

    +
    +

    Give your pull request an appropriate title and description.

    +
    +

    Pull Request Guidelines

    +

    Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages.

    +

    Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested.

    +
    +

    Link the issue you created initially to the PR by using the linking keywords in the PR description, then click on the green "Create pull request" button.

    +

    Notice that the GitHub action workflow runs automatically once you create the pull request! You should check that the relevant test case to your fix now passes.

    +

    Check GitHub Actions

    +

    Click on the Actions tab. If you have resolved all the issues correctly, the tests should now pass, and a green check should show.

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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/projects/P1/index.html b/_old/F23/projects/P1/index.html new file mode 100644 index 000000000..ca2457256 --- /dev/null +++ b/_old/F23/projects/P1/index.html @@ -0,0 +1,1493 @@ + + + + + + + + + + + + + + + + Project 1: Hello, NodeBB! - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Project 1: Hello, NodeBB!

    +

    Learning Goals

    +
      +
    • Familiarize yourself with an existing software project
      • +
    • Download, install and run an existing software project
      • +
    • Onboard on development tools and technologies
      • +
    • Learn Git Flow and GitHub to support future collaborative development
      • +
    • Run local analysis tools and use the output to evaluate a codebase
      • +
    +

    Project Context

    +

    Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product.

    +

    This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website.

    +

    For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB.

    +

    Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project.

    +

    Deliverables and Deadlines

    +

    This is an individual assignment. There are four (4) deliverables and one (1) deadline for this homework.

    +

    Onboarding – 100 points – due Wednesday, August 30th, 10:00pm

    + +

    Prerequisites

    +

    Onboarding Materials

    +

    Before jumping into the codebase, please review the course syllabus and be sure you have access to each of the following:

    +
      +
    • Course Slack - check your email for an invite link
      • +
    • Gradescope
      • +
    +

    If you run into any trouble accessing the above or have any questions, reach out to the instructors.

    +

    Git & GitHub

    +

    In this project and throughout the rest of this course, you will be expected to work extensively with Git and GitHub. Specifically for this project, you should be familiar with:

    +
      +
    • Forking/cloning GitHub repositories
      • +
    • Understanding general Git flow - pulling, branching, adding, committing, pushing, merging
      • +
    • Creating GitHub Issues and using related features (labels, assignees, milestones)
      • +
    • Creating GitHub Pull Requests and using related features (linking to issues)
      • +
    • Creating GitHub Project Boards
      • +
    +

    If you are not familiar with any of these steps, you are highly recommended to first complete a short Github Exercise, as it will cover the standards we are expecting in this class (which you will be graded upon). Refer to the Resources & Documentation section if needed.

    +

    Getting Started

    +

    Repository Setup

    +

    Fork the class-specific repository into your personal GitHub account.

    +
    +

    Warning

    +

    Even though this project is based off of an active open source project, we have made significant changes to ensure its suitability for our class. As such, be sure you are forking off of CMU-17313Q/NodeBB and direct any questions to course staff. Do not contact the maintainers of NodeBB for assistance with your homework questions.

    +
    +

    Ensure that GitHub Actions are enabled (click the green button under the "Actions" tab), then follow the below installation instructions based on your computer's operating system:

    + +

    Once you have run NodeBB successfully, you should be able to navigate to http://localhost:4567 and see the main forum page. By default, NodeBB will be deployed to port 4567 on your machine. You may change this port number (e.g. to avoid conflict with another process running on your machine).

    +

    NodeBB Main Page

    +
    +

    Warning

    +

    In this class, we do expect students to first try debugging errors on their own; this includes following stack traces, searching up error strings and unfamiliar outputs, etc. If you do get stuck, or if the process of installing and running NodeBB is taking you more than a few hours, stop and ask for help on Slack!

    +
    +

    Take some time to click through the pages and explore the different features that NodeBB has to offer.

    +

    Analysis Tools

    +

    When working on an existing codebase, especially in a collaborative setting, we want to ensure that none of our changes introduce unexpected bugs or issues for other developers. To fulfill these goals, we often use different tools to help us evaluate our code. Luckily, NodeBB is already packaged with a number of neat tools!

    +

    Follow the Development Tools section in the repository README to run both the linter and testing tools provided by NodeBB on your computer. Without any changes to the repository, both tools should pass.

    +

    After the test suite finishes running, NodeBB will also generate a code coverage report. This report gives you measurements with regards to what percentage of the codebase is covered by the test suite. Open the index.html file in the coverage folder to see the full report.

    +
    +

    Coverage Report

    +

    As this is an existing codebase with a decently-sized test suite, you should expect to see a relatively high percentage of coverage, i.e. the majority of the bars/cells displayed should be green.

    +

    If you are seeing a lot of red bars, it may mean that the test suite was not run properly. Double-check that all of the tests passed and that there were no failures.

    +
    +
    +More on Analysis Tools +

    A linter is a tool that directly analyzes your source code for common errors. A test suite is a set of test cases that you write for a software program to show that it has some specified set of behaviors; our testing tool provides a framework to structure our test cases, runs the test suite, and generates a report of which tests pass/fail.

    +

    We will do a more in-depth exploration of analysis tools later in the course. For now, just know that these tools exist for you to use in evaluating your code.

    +
    +

    Build Checkpoint (5 pts)

    +

    Upon completing the above steps, take screenshots of

    +
      +
    • the home page of NodeBB, and
      • +
    • the coverage report generated by the coverage tool
      • +
    +

    opened in your browser. Be sure the URL is clearly visible in both screenshots (i.e. localhost:4567 and the file path to your coverage file), so we can confirm that you have everything running locally.

    +

    Submit the two screenshots to Gradescope.

    +

    Onboarding

    +

    Now that you have explored the repository, the development team would like to give you an onboarding assignment.

    +

    Types types types! Driven by their programming language enthusiast, the team is currently undertaking a major code overhaul and converting the repository from JavaScript to TypeScript. This language is a superset of JavaScript and comes with many advantages, including better support for code editors, compile time error-checking and, of course, types!

    +

    As part of the efforts to integrate this new language into the repository, all future code will be written using TypeScript and the old files are translated as necessary. To prepare you for TypeScript development, the team would like you to contribute towards rewriting the codebase.

    +

    GitHub Issue (20 pts)

    +

    First, choose a single JavaScript file to translate and open a GitHub Issue in the class repository to declare which file you will be translating.

    +

    There are some restrictions on the .js file that you can pick. Specifically, the file must:

    +
      +
    • Be in the src/ folder
      • +
    • Contain at least 50 lines of non-import statement code before you start translating it. Files like src/api/index.js and src/controllers/admin.js are not allowed
      • +
    • Not be a file that someone else has already picked. We expect you to look through existing issues, if any, to avoid such duplication (thus, there is an incentive for you to start early!)
      • +
    +

    Title the task appropriately, such as Converting <file name> from JS to TS, and mention the file name in the description. To prevent ambiguities between similarly-named files, be sure to use the full file path (src/../xx.js) in the title and description.

    +
    +Issue Guidelines +

    Issues titles should provide a high-level overview of what the problem is (e.g. "Navbar button UI bugs", "Unexpected registration validation errors"). Sometimes, issues are used to propose new features (e.g. "Add CSV export feature").

    +

    Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files.

    +
    +

    Then, assign yourself to the Issue by leaving a comment that says "I would like to work on this please!"

    +

    You should soon see another comment by the github-actions bot informing you that you have been successfully assigned to this issue.

    +

    Bot Issue Assignment

    +
    +Why Bot Assignment? +

    You might be curious as to why we are using a GitHub bot instead of directly assigning yourself to the issue. As you aren’t officially recognized as a collaborator of CMU-17313Q/NodeBB, GitHub adds some restrictions to your permissions for security purposes, including not being able to assign yourself to an issue. Hence, we are using a bot to work around these restrictions. This is similar to how you would request issues on an Open Source project!

    +

    For future projects, you will have full control over these GitHub features such as managing assignees, adding labels, creating milestones, and more.

    +
    +

    GitHub Pull Request (35 pts)

    +

    Back in your own fork, create a feature branch and implement the change. You should start with the following steps:

    +
      +
    • Install TypeScript
      • +
    • If you chose a file named xx.js, create a new file called xx.ts in the same directory
      • +
    • Copy over the contents of the original file into this new file
      • +
    • Make changes to xx.ts file as needed to translate the file into TypeScript
      • +
    • Run npx tsc to generate a compiled JavaScript file from your changes
      • +
    +

    Your changes must still pass both the linter and the test suite, so be sure to test your changes locally!

    +
    +

    Dependencies on Untranslated Files

    +

    There will be some instances where your file may reference functions or variables from modules in other files that have not been translated yet. This may cause the linter to throw errors as these values will be of type any. In those situations, and only in those situations, you may add the following comments to suppress the linter warnings:

    +
    // The next line calls a function in a module that has not been updated to TS yet
+// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+
    +

    We will check your files to make sure you are only suppressing these warnings when absolutely necessary. For examples and more details, see the Additional TypeScript Background section under "Resources and Documentation" below.

    +
    +

    As you work, be sure to periodically commit your changes. Your commit message(s) must clearly describe what is changing. If you’d like, you can also make use of branching and pull requests in your own repository to practice working with GitHub.

    +
    +Branch and Commit Guidelines +

    Branch names should be short and provide a description of what you will be doing on that branch (e.g. "fix-header-sizing-issue", "fix-multiple-dialog-bug", "add-sorting-feature"). When working with others, you can also append your username to signal which branches are yours (e.g. "313ta/add-sorting-feature").

    +

    Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. "Remove faulty condition from getCustomerDetails", "Fix failing CompositeTestCase", "Fix issue #21" ).

    +
    +

    Once you are satisfied, open a pull request from your personal branch back to the class repository. Similar to the Issue, your PR title should mention the full path of the file you’ve changed. The PR body should summarize the changes you made and use one of the linking keywords to link the issue that you previously opened (e.g. adding resolves #313 will signal to GitHub that this PR resolves issue number 313).

    +
    +Pull Request Guidelines +

    Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages.

    +

    Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested.

    +
    +

    There will be automated checks that run on your pull request to ensure you meet the requirements of this assignment. Some of them take a while to run, so be sure to check on your pull request periodically to ensure that all these actions pass and everything is working properly!

    +
    +

    Test Suite Failures

    +

    If the tests are failing on GitHub but work locally, it may be caused by server overload. Re-running the failing GitHub Action 1-2 times will resolve this.

    +
    +

    If all of the actions have passed, you will see a green checkmark next to your pull request. This signals that you have completed the implementation aspect of this assignment! ✅

    +

    Written Assignment (40 pts)

    +

    After you have completed all of the above tasks, we will ask you some questions relevant to the NodeBB project and the course syllabus. Fill out and submit the HW1 Written Assignment available on Gradescope.

    +

    Grading

    +

    To receive full credit for this project, we expect:

    +
      +
    • The correct usage of tools and technology, including Git, GitHub, and the repository-based tools
      • +
    • A Gradescope submission of two screenshots showing a local running build of NodeBB and the coverage report within a browser
      • +
    • A GitHub Issue with:
        +
      • A selected JavaScript file that follows our requirements above
        • +
      • A meaningful title and description that includes the full path of the file
        • +
      • A successful self-assignment as an assignee
        • +
      +
      • +
    • A GitHub Pull Request with:
        +
      • A meaningful title that includes the full path of the file
        • +
      • A description body that describes the changes made and links the pull request to the issue
        • +
      • Meaningful commit messages
        • +
      • Appropriate usage of the eslint-ignore comment
        • +
      • A green checkmark signaling that all checks have passed
        • +
      +
      • +
    • Answers to the Gradescope Written Assignment that demonstrate successful completion of the project and understanding of the benefits and limitations of software metrics in the context of NodeBB
      • +
    +

    Resources & Documentation

    +

    Below are some common resources to assist you with your completion of this project. If you get stuck, start by consulting the following materials; if you have any additional questions, the course staff will be available to answer questions via Slack and Office Hours.

    +

    Git & GitHub Documentation

    +

    Documentation for working with Git and GitHub:

    + +

    We also have a simple Git-based exercise that you are highly recommeneded to complete before proceeding with this project.

    +

    TypeScript Documentation

    +

    The repository README contains links to different documentation material that you may find helpful in your development process. Particularly, you will want to focus on the documentation relating to JavaScript/TypeScript:

    + +

    You will also find some sample translated TypeScript files within the repository. You can use these as guidance for your translation process:

    + +

    Additional TypeScript Background

    +

    This section provides more context on how TypeScript is used for this project and when it is appropriate to suppress ESLint warnings in your translated TypeScript files.

    +

    As native JavaScript does not have any typing, by default, all functions/values/classes/modules that are not typed will be automatically given the any type by TypeScript. Under default settings, this allows any valid JavaScript code to be run as TypeScript.

    +

    Using the any type, however, will defeat the purpose of the various type-checking features TypeScript provides. As such, we’ve set our linter to check for strict typing and disallow the use of the any type. For the most part, this should check that you explicitly type everything within your files and ensure that you are able to make the most out of TypeScript.

    +

    A limitation of this strictness is that there will be errors thrown when using non-translated JavaScript imports, which TypeScript will assume to have type any. As an example from one of our sample translated files src/social.ts:

    +
    src/social.ts
    // A module import from a non-translated JavaScript file database/index.js
+import db from './database';
+…
+const activated = await db.getSetMembers('social:posts.activated');
+
    +

    Running the linter will give the following errors: +

    error  Unsafe member access .getSetMembers on an `any` value
+@typescript-eslint/no-unsafe-member-access
+
+error  Unsafe call of an `any` typed value
+@typescript-eslint/no-unsafe-call
+
+error  Unsafe assignment of an `any` value
+@typescript-eslint/no-unsafe-assignment
+

    +

    Let’s take a look at each error:

    +
      +
    • @typescript-eslint/no-unsafe-member-access - we don’t know the typing of our imported module db, so it is treated as any. However, we don’t know if something of type any has a function called getSetMembers, hence this is an unsafe member access
      • +
    • @typescript-eslint/no-unsafe-call - we don’t know the typing of the function db.getSetMembers, and so it is treated as any. We can not call a function of type any, so db.getSetMembers('social:posts.activated') is an unsafe call
      • +
    • @typescript-eslint/no-unsafe-assignment - we don’t know the return type of db.getSetMembers, and so it is treated as any. We can not assign something of type any to our variable activated
      • +
    +

    The first two errors are dependent on us knowing the typing of db and db.getSetMembers. However, because we haven’t translated the database/index.js file yet, we don’t have access to their typing information. In this case, it is okay to suppress the ESLint errors as they only arise from a lack of translation. We can do this by adding the following comments:

    +
    // The next line calls a function in a module that has not been updated to TS yet
+// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+const activated = await db.getSetMembers('social:posts.activated');
+
    +

    For the last error, even though we don’t have typing information provided by the db module, we still want to make sure future uses of the activated variable get properly typechecked. Checking the rest of the file reveals that activated should be a string[] type; we can also manually cross-reference the db.getSetMembers function to check that this is the correct typing. Hence, it’s okay to cast the return value of this function call to string[], and our full solution looks like this:

    +
    // The next line calls a function in a module that has not been updated to TS yet
+// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+const activated: string[] = await db.getSetMembers('social:posts.activated') as string[];
+
    +

    Installing Typing Packages

    +

    In some cases, if your file imports an npm package (such as lodash, nconf, etc), you will need to install the typings for the package. To do this, run:

    +
    % npm install @types/[packagename] --save-dev
+
    +

    You should then see the @types/[packagename] added to your package.json file.

    +
    +

    GitHub Actions Packages

    +

    To make sure your GitHub Actions also install the correct packages, you should copy the package.json file to install/package.json.

    +
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    Installing NodeBB on MacOS

    +

    Required Software

    +

    First, install the following programs:

    + +

    Installing Redis

    +

    Install redis with homebrew:

    +
    % brew install redis
+
    +

    Start the redis server:

    +
    % redis-server
+
    +

    Installing NodeBB

    +

    You should have already forked the class-specific repository. Clone your forked repository onto your local machine.

    +

    Enter the directory where you have cloned the repository:

    +
    % cd NodeBB
+
    +

    Run the interactive installation command:

    +
    % ./nodebb setup
+
    +

    You will then be presented with a series of setup questions.

    +

    For each of the questions — except for "Which database to use (mongo)", which you should answer with "redis" — you may accept the default answer by pressing Enter

    +
    URL used to access this NodeBB (http://127.0.0.1:4567)
+Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861)
+Would you like to submit anonymous plugin usage to nbbpm? (yes)
+Which database to use (mongo) redis
+
+Now configuring redis database:
+Host IP or address of your Redis instance (127.0.0.1)
+Host port of your Redis instance (6379)
+Password of your Redis database
+Which database to use (0..n) (0)
+
    +

    The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account.

    +

    Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database.

    +

    After the installation, build the files:

    +
    % ./nodebb build
+
    +

    And start the NodeBB server:

    +
    % ./nodebb start
+
    +

    You can now visit your forum at http://localhost:4567/.

    + + + + + + +
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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/projects/P1/installation/ubuntu/index.html b/_old/F23/projects/P1/installation/ubuntu/index.html new file mode 100644 index 000000000..bc40b0088 --- /dev/null +++ b/_old/F23/projects/P1/installation/ubuntu/index.html @@ -0,0 +1,1265 @@ + + + + + + + + + + + + + + + + Linux (Ubuntu) - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Installing on Ubuntu

    +

    Required Software

    +

    Installing Node.js

    +

    Node.js is available from the NodeSource Ubuntu binary distributions repository. Start by adding this repository to the apt index:

    +
    % curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
+
    +

    Then, update the apt packages and install nodejs: +

    % sudo apt-get update
+% sudo apt-get install -y nodejs
+

    +

    Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 8 of npm installed:

    +
    % node -v
+% npm -v      # this should output "8.11.0" or similar
+
    +

    Installing Redis

    +

    The original NodeBB installation guide suggests the use of MongoDB database, but for simplicity and consistency across the installation guides, we will be using Redis as our database.

    +

    Here is an abbreviated version of the installation instructions provided by Redis:

    +

    Add Redis repository to the apt index:

    +
    % curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg
+% echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list
+
    +

    Update the apt packages and install redis:

    +
    % sudo apt-get update
+% sudo apt-get install redis
+
    +

    Start the redis server:

    +
    % redis-server
+
    +

    Installing NodeBB

    +

    You should have already forked the class-specific repository. Clone your forked repository onto your local machine.

    +
    +

    Windows WSL2 Warning

    +

    For Windows WSL2 users, you should store your project files on the same operating system as the tools you plan to use. When it comes to cloning the NodeBB repository, it means that you should clone it in:

    +
      +
    • the Linux file system root directory: \\wsl$\Ubuntu\home\<user name>\
      • +
    • NOT the Windows file system root directory: /mnt/c/Users/<user name>/$ or C:\Users\<user name>\
      • +
    +

    You can use % cd ~ to access the Linux home directory, then clone the repository there.

    +
    +

    Enter the directory where you have cloned the repository:

    +
    % cd NodeBB
+
    +

    Run the interactive installation command:

    +
    % ./nodebb setup
+
    +

    You will then be presented with a series of setup questions.

    +

    For each of the questions — except for "Which database to use (mongo)", which you should answer with "redis" — you may accept the default answer by pressing Enter

    +
    URL used to access this NodeBB (http://127.0.0.1:4567)
+Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861)
+Would you like to submit anonymous plugin usage to nbbpm? (yes)
+Which database to use (mongo) redis
+
+Now configuring redis database:
+Host IP or address of your Redis instance (127.0.0.1)
+Host port of your Redis instance (6379)
+Password of your Redis database
+Which database to use (0..n) (0)
+
    +

    The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account.

    +

    Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database.

    +

    After the installation, build the files:

    +
    % ./nodebb build
+
    +

    And start the NodeBB server:

    +
    % ./nodebb start
+
    +

    You can now visit your forum at http://localhost:4567/.

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    Installing NodeBB on Windows

    +

    17-313 will only be supporting development using Windows Subsystem Linux 2 (WSL2) on Windows (Ubuntu variant). To support the use of WSL2, it is highly recommended that you develop using VSCode.

    +

    To learn more, refer to Microsoft's official WSL Documentation.

    +

    Installing WSL2 on Windows

    +

    Follow the instructions on the official Microsoft Getting Started Guide and complete all the steps up to (and including) the Use Visual Studio Code section.

    +

    By the end of these instructions, you should:

    +
      +
    • Have Ubuntu WSL2 installed
      • +
    • Have a root Linux username and password set up
      • +
    • Have updated and upgraded your packages
      • +
    • Be able to open Ubuntu WSL2 in Windows Terminal
      • +
    • Understand that you should store your project files on the same operating system as the tools you plan to use. For example, in order to successfully run NodeBB in Ubuntu, you should run git clone in your Ubuntu file system, open the cloned directory in Ubuntu, and edit the code files in Ubuntu
      • +
    • Be able to open a directory in Ubuntu in VSCode
      • +
    +
    +

    Note

    +

    In all future projects of this course, we will expect you to develop using WSL2. Thus, it is very important that you set up WSL2 correctly. Please come to office hours or ask on Slack if you need any assistance with the installation.

    +
    +

    Installing NodeBB

    +

    If you do not already have Git installed, follow the Git Installation on Linux for Ubuntu.

    +

    Then, follow the Ubuntu instructions to install required tools and NodeBB itself on WSL2.

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    Project 2A: Collaborative Development

    +

    Deliverables

    +

    Team Process & Planning – 80 points – due Thursday, September 7th, 11:59pm

    + +

    Team Setup

    +

    Slack Channel

    +

    On the 17-313Q Slack workspace, create a new private Slack channel that includes all your team members and the CA who is your team mentor.

    +

    Use this Slack channel to collectively decide on a team name. Your team name should be unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children. Once you have a team name, rename your team Slack channel to #team-<teamname>.

    +

    You can use this Slack channel for subsequent project-team related discussions or specialized Q&A with your TA mentors for the rest of the semester.

    +

    GitHub Repository

    +

    You will be working on your team repository for this project. Once you have decided on a team name, go to the link below to set up your team:

    +

    https://classroom.github.com/a/6U8xuKTF

    +
    +

    Warning

    +

    After you join a team on GitHub, you cannot change teams! Make sure that only one of you creates the team, and make sure that the remaining teammates join the right team.

    +
    +

    Once you enter your team name, Github will automatically create a repository for your team. You should then create a Github Project board for your repository (you can follow the steps from the GitHub Exercise or the first recitation).

    +

    You should use this team repository for all your development, and be sure to use good development practices, including keeping your commits cohesive and your commit messages informative. The same resources mentioned above provide more details on our guidelines.

    +

    We will be grading you on how well you follow the process we used for Project 1 and utilize this Project board:

    +
      +
    • Create issues for feature improvements or bug-fixes
      • +
    • When creating issue, assign team members and tag with appropriate labels
      • +
    • Create a pull request and reference the issue it will be resolving
      • +
    • Provide feedback to pull requests
      • +
    • Use a Kanban board to track your workflow
      • +
    +

    For this project, you will create issues or pull requests directly in your team repository. We will use your commit history and issue/pull request activity on Github to assess both your teamwork process and each member’s individual contributions towards the project. It is not acceptable for one person to commit all the work after synchronizing through other means.

    +

    For each code-based deliverable, we will look at a snapshot of your repository at the deadline. This will often be done by asking you for a screenshot or commit link submitted via Gradescope.

    +

    Teamwork Self-Assessment

    +

    As the course moves into team-based projects, we will be releasing weekly self-assessments on Gradescope, each worth one participation point. These are meant to be short surveys and should not take more than a few minutes. They are intended to help you reflect on your team's process and prompt you to think about how to improve it. The first one will be released on Thursday, August 31st and due the following Thursday, September 7th (both at 11:59pm).

    +

    Main Deliverables

    +

    Teamwork Contract (40 pts)

    +

    When working with a team, it is important to discuss each team member’s background, and establish common expectations of the team. Miscommunication or the general lack of communication are often the most common causes of team conflict.

    +
    +

    Team Conflict Example

    +

    A common conflict in working style is when there are team members who always want to get a headstart on their work, while there are team members who are fine with doing work a few days before the deadline. It causes panic in the former team members, while the latter team members feel frustrated as to why they are being rushed.

    +
    +

    As such, your first process task of the semester will be creating a teamwork contract with your teammates. It is a 1 - 2 page document containing information that all teammates agree to follow. You should work on the contract with all members present. We recommend that you keep it to around 1 page, 2 page is a hard limit.

    +

    Additionally, it is more important that you only include statements that the team will adhere to than it is to fulfill the length requirement (quality over quantity!) You do not need to write full sentences (bullet points are okay), but your decisions must be clearly conveyed in the document.

    +

    You are free to include anything that your team deems necessary, but you should minimally address the following sections:

    +
      +
    1. +

      Expectations
      +How much time is each team member expected to be putting into working on projects? Punctuality? How would your team accommodate when unexpected commitments come up for a team member (e.g. interviews, sickness, competitions)?

      +Do accommodate for the fact that project load can get heavier towards the end of the semester.

      +
      2. +
    2. +

      Communication
      +What platform (s) will your team be using to communicate? What’s the expected time to get a response?

      +For any communication platforms you decide on, please test that everyone can receive notifications. We highly recommend using apps (Slack, Discord) over browser-based sites.

      +
      3. +
    3. +

      Meeting Schedule
      +When and how will your team meet? What modality would it be?

      +A strong recommendation would be to set up a recurring 1hr meeting blocked out for the rest of the semester, so that your team does not have to scramble to find a common meeting time each week. Teams that have recurring meetings are generally more successful in the class.

      +
      4. +
    4. +

      Responsibilities
      +How will you divide responsibilities for each project? During meetings, who will be in charge of note taking, organizing & running those meetings?

      +From past courses, we noticed the natural emergence of a project manager in teams, who ensures the project moves towards completion. We highly suggest that you consider how your team would rotate that role amongst team members over the course of the remaining projects. Throughout the semester, we will ask for documentation of your meeting notes, so be sure to keep them organized (we recommend using a shared Drive folder).

      +
      5. +
    5. +

      Equitable Contribution & Conflict Resolution
      +What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? What are the steps to bring up and discuss potential teamwork issues?

      +The first thing the staff will ask the student when they mention that they are facing team issues is if they have followed the steps on their team contract.

      +
      6. +
    +

    Feel free to seek the assistance of TA and instructor in drafting this document.

    +
    +

    Note

    +

    We will ask you to reference, reflect upon, and refine this document throughout this semester, and we will evaluate your team's process strategies and interactions through what you outline in this contract. Please ensure that everyone on your team thoroughly discusses each of the above sections and agree with the final decisions.

    +
    +

    Once you have completed the contract itself, have all members sign and date the document as an indicator that all members have read the document and agreed to uphold all outlined items. Then, save the file as a PDF and upload it to Gradescope. Only one team member needs to make the submission; they can then add the rest of the teammates as group members for a group submission.

    +

    We also highly recommend that you bookmark the teamwork contract in your team’s Slack channel.

    +

    Project Planning (40 pts)

    +

    Before your team jumps into development, you must first determine what features to implement. Schedule and hold an initial project planning meeting with your team to complete the steps outlined below.

    +

    Functional Requirements - User Stories

    +

    During this meeting, discuss potential functional requirements of this project. Consider what possible use cases may be for this system and what features it should have to fulfill those needs.

    +

    Then, document these functional requirements in the form of user stories that follow the guidelines discussed in lecture. All of your user stories should be in the format of "As a [role], I want [function], so that [value]".

    +

    You should come up with at least two user stories per student in your group.

    +
    +

    Formulating User Stories

    +

    Consider what are the different types of users that will be interacting with your system (your stakeholders) and what features they would want to have that the current NodeBB does not provide. You may want to reference features in existing Q&A systems (e.g. Piazza, Diderot) that may be desirable, or conduct interviews with your peers who could be a potential users of this system.

    +
    +

    As a team, you should then come up with a prioritization ranking for each user story. The prioritization should be based on two factors

    +
      +
    • Impact: how essential is this user story to the overall functionality of the application to your stakeholders, how beneficial it would be to your stakeholders, and
      • +
    • Effort: how much time/effort is required to implement this user story
      • +
    +

    Once you have your list of user stories, create a new GitHub Project board (click into Projects on your team repository). Then create two new columns to the left called "User Stories" and "Backlog". At this point in time, you should have "User Stories", "Backlog", "To-Do", "In Progress" and "Done", in that order from left to right. Feel free to add more columns if your teams decide that you need them during your development process

    +

    Add your user stories into the "User Stories" column using the “+ Add item” button at the bottom, create draft issues for each of your user stories.In the body of each of these draft issues, provide a brief but concrete justification of its prioritization ranking that your team decided on. You should order all the user stories in this column from highest to lowest priority.

    +

    Technical Requirements - Issues

    +

    Now that you have your prioritized list, consider the technical requirements of the various user stories and collectively decide on which one(s) you will be focusing on over the next two sprints. In this project (as like most projects), your team is aiming to maximize the amount of value you are delivering to your stakeholders given your constraints.

    +

    Your selected user stories should have relatively high priority based on your team's ranking, and you should actively take factors into consideration that may impact your development.

    +
    +

    Selecting Appropriate User Stories

    +

    Given the amount of variations in each team's user stories, it's hard to give concrete guideline on the number of user stories that a team needs to tackle. Teams could tackle 1 user story that requires major effort, or a few user stories that each requires lesser effort.

    +

    In general, we are expecting that user stories be selected given:

    +
      +
    • 2 sprints of 2 weeks each
      • +
    • number of team members on your team
      • +
    • assumption of 8 hours/week available per individual
      • +
    +

    The course staff is happy to discuss this with your team during OH and we highly recommend you do so if your team is unsure. We will also be providing you with feedback during your first sprint's checkpoint presentation.

    +
    +

    The feature(s) you plan to implement should not be purely cosmetic or arbitrary. We expect this to be a non-issue as most high priority features to make NodeBB usable in a course environment would require changes that span across the development stack.

    +
    +

    Note

    +

    An example of what would not be accepted is a cosmetic feature that only modifies a frontend UI component (i.e. changing the color of the navbar), or just the renaming of a field in the database.

    +

    You may want to look ahead into parts 2B and 2C to check our specific requirements for your implementation.

    +
    +

    Convert the feature(s) you decide to implement into technical requirements (i.e. what needs to be developed for this feature to work). Then, break these requirements down into manageable, assignable issues and document them on your Project board by adding them to “Backlog” column. At minimum, these issues should make use of GitHub features like milestones/labels/descriptions to denote:

    +
      +
    • Estimated effort for each task
      • +
    • Dependencies among tasks (if any)
      • +
    • Initial assignments for team members
      • +
    • Milestones to indicate which sprint the issue should be completed in (Sprint 1, Sprint 2, Stretch)
      • +
    • Acceptance criteria that describes how you know this task is done - think about how you will test this feature
      • +
    +

    You should actively assign and move these issues across your Kanban board as your team makes progress.

    +
    +

    A Note on Grading

    +

    We will not assess how accurately you predicted your development process, nor will we be giving points based on the complexity or quality of your changes. The focus of our evaluations will be on how you decompose the problem, how you respond to unexpected circumstances, and how you analyze and reflect on your experience later on.

    +

    We will check your development progress at the end of each sprint. Please be proactive in your planning to ensure that you make notable progress in both of your sprints. We highly recommend reading ahead on what our expectations are for the end of each sprint as you plan your milestone goals.

    +
    +

    Include a link to your GitHub board in your Gradescope submission. If you are unsure about your planned changes, you can ask for feedback from a member of the course staff!

    +

    Extra Credit (8 pts)

    +

    Getting to know your colleagues in a friendly context can often lead to more effective collaboration; for example, healthy teams often get lunch together. To incentivize this, we will give your team extra credit for this assignment if you meet for a team bonding experience outside of a working session.

    +

    You might want to eat together, go out for boba, or hold a board game session. If someone on your team is not feeling well, you may also do a virtual activity such as an online gaming session (Drawphone, Skribbl.io, etc.) or social "Zoom lunch".

    +

    To receive extra credit, share the photo or screenshot of your team activity with your CA mentor by sending it in your team Slack channel before the deadline. We encourage you to do these types of meetings often throughout the semester!

    +

    Grading

    +

    To receive full credit for the teamwork contract, we expect:

    +
      +
    • All sections listed above are addressed in a roughly 1-2 page PDF document submitted to Gradescope
      • +
    • Document demonstrates a clear process outline that was discussed between and agreed upon by the teammates
      • +
    • All group members’ signatures at the end of the document
      • +
    +

    To receive full credit for the project planning, we expect:

    +
      +
    • A GitHub project board linked to your team repository with:
        +
      • A User Story column containing at least two user stories per group member that satisfy the guidelines outlined in the sections above and in lecture
        • +
      • A Backlog column containing a series of GitHub issues describing the feature(s) that the team will tackle. Each issue makes use of GitHub features to denote all of the required information listed above
        • +
      +
      • +
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    Project 2B: Collaborative Development

    +

    Deliverables

    +

    First Sprint – 100 points – due Tuesday, September 19th, 11:59pm

    + +

    Process & Implementation Interim (50 pts)

    +

    Start by cloning the team repository and merging your individual changes from Project 1 into your team repository using proper git flow. You may also delete the hw1.yaml workflow found in .github/workflows. Once everyone has properly set up the repository on their local machines and committed their changes, you can now start development.

    +
    +

    What if I did not successfully translate my file in Project 1?

    +

    If you do not need to modify that file in order to implement your team's feature, then you do not need to merge your file into your repository. You will not be penalized for not merging in your Project 1 file.

    +
    +

    You should follow best practices for collaborative development such as using feature branches, pull requests, and code review. Individual changes should be committed to properly named branches for each core feature being implemented and make use of pull requests to merge changes together.

    +

    Be sure to review each other’s code - both from a quality assurance standpoint, but also so you have a better understanding of the codebase. Although code reviews can be done asynchronously, we encourage the first few to be done synchronously so you can discuss the changes with your teammates and learn more about the codebase.

    +

    To fit with the translation efforts described in Project 1, any new code introduced to the codebase should be in TypeScript. This does mean that you may need to translate existing files to fulfill this requirement.

    +
    +

    Using Translations from Project 1

    +

    Most of the existing files should have been translated by your classmates in Project 1! Feel free to reference their translations for your own uses - for citation purposes, include a short comment at the top of your file that cites the original translator and a link to where you found the translation, for example:

    +
    // Referenced @student’s TypeScript translation from P1: [PR link]
+
    +
    +

    Every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade.

    +

    You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository.

    +

    Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.

    +

    Checkpoint Presentation (50 pts)

    +

    During the Week 5 recitation slot (Thursday September 21st), your group will give a 7-minute presentation describing your current progress, followed by a short 1-2 minute Q&A session where you can get feedback from the CAs and your peers.

    +

    Your slides should include the following information (the recommended slides amount is in parentheses):

    +
      +
    1. +

      Title Slide (1 slide)
      +Include your team name & the names of each team member

      +
      2. +
    2. +

      Project Planning (~1-2 slides)
      +What user stories did your team choose to focus on? What feature(s) did you plan on implementing to fulfill them?

      +
      3. +
    3. +

      Development Progress (~1-2 slides per person)
      +What have you changed so far? How did you test your changes? What have you learned about the codebase? How does this compare with your original milestone goals? If your team did not meet your goals, why?

      +Each team member should describe the contributions they made. In this section, you must include a video demo of your current progress; if you were not able to make a working build, include screenshots that show your current progress and clearly explain what factors impeded your progress.

      +
      4. +
    4. +

      Process Overview (~1-2 slides)
      +What process strategies (i.e. meeting frequency, code reviews) did your team use for the first sprint? Was it effective? Did you encounter any difficulties or have to make any changes?

      +
      5. +
    5. +

      Looking Ahead (~2-4 slides)
      +What are some current risks and/or questions that your team has after completing the first sprint? Has your experience with the first sprint affected your planning of the second sprint? Do you need to rescope? Do you need to reevaluate your process?

      +If you did not meet your development goals, you should outline what you plan to proactively change for this upcoming sprint.

      +
      6. +
    +
    +

    A Note on Participation

    +

    Participation from all team members during the presentation is required. If you are unable to attend in-person, send a Slack message to the course staff with justifications at least 24 hours before the start of the recitation. You will then be permitted to present by submitting a recording of your segment of the presentation, which your teammate will play during the presentation.

    +
    +

    The presentation slides should be exported into a PDF and submitted to Gradescope by the Thursday deadline.

    +

    Grading

    +

    To receive full credit for the implementation, we expect:

    +
      +
    • Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through
      • +
    • An updated Project Board for the current progress
      • +
    • Reasonable code structure and style, including documentation where appropriate
      • +
    • Coherent commits of reasonable size with meaningful commit messages by all team members
      • +
    • High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits
      • +
    +

    To receive full credit for the presentation, we expect:

    +
      +
    • All team members to be present for the presentation (or have contacted the instructor ahead of time to request an absence) and to contribute towards presenting their team’s progress
      • +
    • All of the material described above covered in the presentation
      • +
    • PDF Slides uploaded to Gradescope for grading & feedback
      • +
    +

    Resources & Documentation

    +

    NodeBB Development

    +

    We highly recommend that, before starting development, you take the time to analyze the codebase with your team using the code archaeology techniques you have learned. One good place to start is determining where the MVC (or frontend/middleware/backend) split is and trying to make a small change in each section.

    +

    You will find some resources to help you with development in the README of the NodeBB repository. Here are a few specific links to get you started:

    + + + + + + + +
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    Project 2C: Collaborative Development

    +

    Deliverables

    +

    Second Sprint – 140 points – due Thursday, October 5th, 11:59pm

    + +

    Process & Implementation Final (60 pts)

    +

    Continue working on the implementation of your feature(s). Be sure to continue following best practices for collaborative development similar to the previous sprint.

    +

    As you become more familiar with the codebase, we have higher expectations for the final deliverables of this sprint. Specifically, along with your feature changes, we expect to see:

    +
      +
    • +

      Automated Tests

      +
        +
      • Add tests to the test suite that demonstrate the functionalities you implemented
        • +
      • These should follow the acceptance criteria you set from the initial planning
        • +
      +
      • +
    • +

      User Documentation

      +
        +
      • Create a new file UserGuide.md in the root directory of your repository
        • +
      • In this file, provide a detailed outline of how to use and user test your new feature(s)
        • +
      • You should also provide a link/description of where your added automated tests can be found, along with a description of what is being tested and why you believe the tests are sufficient for covering the changes that you have made
        • +
      +
      • +
    +
    +

    GitHub Actions

    +

    GitHub Actions should be enabled. It is reasonable to have failures in feature branches, but you should do your best to make your main branch build consistently pass.

    +
    +

    As with the first sprint, every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade.

    +

    You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository.

    +

    Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.

    +

    Process & Team Reflection (50 pts)

    +

    After coding is complete, reflect on your experience as a team. Again, we look for honest reflection, which will likely include reflection on failures. We will not grade whether you predicted the effort correctly, but rather what you have learned.

    +

    You will see the following groups of questions on Gradescope. We recommend that your team use collaborative text editing tools like Google Docs to draft your answers, then submit your final answers to Gradescope.

    +
      +
    1. +

      Actual Schedule: Document the actual schedule of your development process into either an organized list or table. You should include all of the tasks that each team member actually performed and the approximate amount of time each took. Your commit history and other documentation should help you with this.

      +
      2. +
    2. +

      Schedule Deviations: Reflect on the differences between your planned and actual schedule, and answer the following questions:

      +
        +
      • Which milestones were predicted correctly and what was re-planned?
        • +
      • Was there anything you did not plan for initially or that you had to drop in the end?
        • +
      • What were the reasons for the above changes and could they have been foreseen with better planning?
        • +
      +
      3. +
    3. +

      Development Process: Reflect on the process (specifically, the steps each team member took to contribute to the codebase) you followed during the project, and answer the following questions:

      +
        +
      • What was the process you initially planned to follow? What was the process you actually followed?
        • +
      • Was the process effective? Why or why not?
        • +
      • Did you skip steps or adopt additional techniques during the project? What were they and why did you do so?
        • +
      +
      4. +
    4. +

      Meeting Minutes: Attach all meeting minutes kept throughout the project, which should include information about the agenda/topics discussed, decisions made, and work assignments.

      +
      5. +
    5. +

      Team Experience: Reflect on your experience working as a team. You should discuss as a team on the aspects of communication, scheduling, responsibilities and equitable contributions. Answer the following points by providing at least three actions that your team will take to improve in the future (feel free to have more than one in category and zero in another, they should just add up to three):

      +
        +
      • What should your team keep doing? What worked well, and why?
        • +
      • What should your team start doing? What didn't work so well, and why? What will you do differently?
        • +
      • What should your team stop doing? What are some bad habits that your team should avoid in the future and why?
        • +
      +
      +

      Support your claims

      +

      You should reference your meeting minutes to support your claims and provide examples. A weakly supported statement would be as follows:

      +
      +

      “We will communicate better, because miscommunication caused issues"

      +
      +

      You should support your statements with examples from the development experience. For example:

      +
      +

      "In the future, we will try to use [such-and-such a process] for clearly documenting and communicating such design decisions, rather than [the process we did follow/failed to follow]. One of our [main challenges/development slowdown/quality problems] was the integration of components A and B, because the API for A was not well-understood by the developer of B. "

      +
      +
      +
      6. +
    6. +

      Teamwork Contract: Based on the process and team reflection above, update your teamwork contract. Did you encounter any issues or unexpected experiences that your original contract did not foresee? Feel free to add in any other clauses if necessary to your team contract. Upload your new teamwork contract (be sure to sign and date it), and highlight the changes you made in yellow.

      +
      7. +
    +

    Being able to communicate effectively is an important software engineering skill. As such, your reflection should be well-written and easy to read. Be sure to leave time after writing for revision and proofreading.

    +
    +

    Reflection Grading

    +

    One of the main purposes of this project is to encourage in-depth analysis of the reasons for good or bad time estimation, scheduling, and teamwork coordination. Doing poorly in these is not unusual (as numerous reports from real-life projects show).

    +

    We will not evaluate how well (or badly) the project went, but instead how well you understood the reasons why the project went as it did, and what lessons you drew from your experience to inform your future work. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support the claims.

    +
    +

    Individual Reflection (30 pts)

    +

    In addition to the team reflection, you will also be submitting an individual reflection on Gradescope.

    +

    We want you to connect this project's experience with your previous experience with collaborative development. Your previous experience may be from an academic or non-academic setting, such as internships, hackathons, or personal projects.

    +

    Your reflection should address the following questions (and sub-questions):

    +
      +
    1. What previous collaborative projects have you done before?
        +
      • How does this project experience compare with your previous experience? What was similar and what was different?
        • +
      +
      2. +
    2. What did you personally learn from this project’s development process? Process here refers to the steps you took to contribute to the codebase.
        +
      • What did you think worked well? What did you think did not work well?
        • +
      • Was there anything unexpected?
        • +
      +
      3. +
    3. What did you learn about working in a team?
        +
      • What did you learn about yourself?
        • +
      • What did you learn about working with others?
        • +
      +
      4. +
    4. What are you planning to do differently or improve upon in your future projects? What would you like to keep doing? Provide at least one concrete action that you plan on acting upon in the next project.
      5. +
    +

    Similar to the team reflection task, we will grade the quality and depth of your reflection.

    +

    Grading

    +

    To receive full credit for the implementation, we expect:

    +
      +
    • Progress from Interim Snapshot
        +
      • Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through
        • +
      • An updated Project Board for the final progress
        • +
      • Reasonable code structure and style, including documentation where appropriate
        • +
      • Coherent commits of reasonable size with meaningful commit messages by all team members
        • +
      • High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits
        • +
      +
      • +
    • Additional Requirements for Final Submission
        +
      • Automated test cases for the implemented functionalities
        • +
      • GitHub Actions running on the repository and passing on the main branch
        • +
      • Created UserGuide.md file containing user documentation of the new feature that fulfills the guidelines given above
        • +
      • A functional new feature that works when following the steps in UserGuide.md. Note that we aren't expecting the feature to be bug free, but it should work under general expected usage.
        • +
      +
      • +
    +

    To receive full credit for the process and team reflections, we expect:

    +
      +
    • A detailed, well written, and well structured reflection on each of the provided guiding questions
      • +
    • A comparison between the planned and the actual schedule
      • +
    • An analysis beyond mere descriptions and superficial statements, including supporting evidence for claims, that reflects on the causes of deviations, conflicts, and so forth, or your own experience
      • +
    • Inclusion of meeting minutes(s) that adequately demonstrate your team’s meeting process
      • +
    • At least three concrete actions with that your team will either start, stop, or keep doing in the future, with proper justification and supporting evidence
      • +
    +

    To receive full credit for the individual reflection, we expect:

    +
      +
    • A detailed, well written, and well structured reflection on each of the provided guiding questions
      • +
    • A comparison between current and previous experience
      • +
    • A reflection on the development process, including what worked well and what did not work well
      • +
    • A reflection on working in a team, with learnings about self and working with others
      • +
    • At least one concrete action that you will act upon in the future, with proper justification and supporting evidence
      • +
    +

    Resources & Documentation

    +

    NodeBB Development

    +

    By now, you should be familiar enough with the codebase to finish making the remainder of your changes. The additional focus of this second sprint is on testing your code; hence, documentation related to the testing framework will be very helpful.

    +

    As with before, you will find some resources to help you with development in the README of the NodeBB repository. You will now want to check the testing section for resources on the Mocha test framework:

    +
      +
    • Mocha Documentation
        +
      • Everything from the "Getting Started" section and below is documentation on how the framework works. You can also reference existing tests!
        • +
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    Project 2: Collaborative Development

    +

    Learning Goals

    +
      +
    • Translating requirements into actionable user stories
      • +
    • Practice getting to know a pre-existing code base and developing new features for it using previously unfamiliar technology
      • +
    • Practice version control and development best practices within the context of a group assignment
      • +
    • Plan and schedule projects in terms of tasks, milestones, and time estimations, and re-plan as required
      • +
    • Make initial decisions on a team process, and reflect on your experience with the process
      • +
    • Effectively coordinate among team members and conduct team meetings
      • +
    • Meaningfully reflect on the experience of working in teams
      • +
    +

    Project Context

    +

    CMU has over 14,000 students and hundreds of courses every semester. Many of these courses use a combination of educational platforms to distribute course materials (handouts, lecture notes, etc), manage student information, assess student learning, and provide a means of communication between the students and course staff. Examples of such platforms include Canvas, Piazza, and Gradescope.

    +

    However, the distributed nature of this system makes it difficult for instructors to synchronize information across each of the different platforms, and the lack of standardization across the university forces students to remember a different set of links for each class.

    +

    Your manager has assigned you to a team and has tasked you with building a new course management system over the course of the semester to be used university-wide. To help manage the scope of this project, they have specifically requested you to focus on implementing the Q&A portion of this overarching system, i.e. the component that enables communication between the faculty and students.

    +

    Rather than creating a new Q&A system from scratch, management has decided that you and your team will repurpose and adapt the existing forum system provided by NodeBB. Beyond being a pretty decent forum platform, NodeBB provides complex features that you expect will be useful like user registration, permission settings, post creation, sorting and filtering capabilities, and more.

    +

    Despite its considerable functionality, NodeBB is still missing many of the basic features that you would expect to find in a course-based Q&A system and needs changes to better fit this new purpose. You and your team will be responsible for coming up with an initial development plan and beginning implementation.

    +

    Deliverables and Deadlines

    +

    This will be the first assignment with your group. There are three (3) deadlines for this project. Each of the core deliverables are described below. This project is worth a total of 320 points.

    +

    Detailed information for each of the deadlines has been split into its own subpage on the left.

    +
    +

    Tip

    +

    This is a large assignment spanning from now until Fall Break. We estimate that this project will take each student on the team on average 8 hours/week over the next 5 weeks, for a total of 40 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables.

    +

    To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team.

    +
    +

    A) Team Process & Planning – 80 points – due Thursday, September 7th, 11:59pm

    +
      +
    • Prerequisite: Team Setup
      • +
    • Teamwork Contract (40 pts)
      • +
    • Project Planning (40 pts)
      • +
    • Extra Credit (8 pts)
      • +
    +

    B) First Sprint – 100 points – due Tuesday, September 19th, 11:59pm

    +
      +
    • Process & Implementation Interim Snapshot (50 pts)
      • +
    • Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st
      • +
    +

    C) Second Sprint – 140 points – due Thursday, October 5th, 11:59pm

    +
      +
    • Process & Implementation Final Snapshot (60 pts)
      • +
    • Team Reflection (50 pts)
      • +
    • Individual Reflection (30 pts)
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    Serverless NodeBB Deployment on GCP

    +

    This document will provide instructions to create a serverless deployment of NodeBB on GCP.

    +

    Setup Redis Database on upstash

    +

    We'll be using a database-as-a-service called upstash to host the Redis database associated with our NodeBB deployment.

    +
      +
    1. Visit upstash and create an account.
      2. +
    2. Make sure Redis and selected, and click "Create Database"
      3. +
    3. Name your database, select an appropriate region and hit "Create"
      4. +
    +

    You should see a page that contains the endpoint, port, password, and other details associated with the redis instance you just created.

    +

    Update your Dockerfile

    +

    To have all the packages we need to build NodeBB, we need to change our Dockerfile. Make the following change and push your changes to your repository.

    +
    - RUN npm install --only=prod && \
++ RUN npm install && \
+
    +

    Redeem your GCP Credits

    +

    First, you need to redeem your GCP credits using the following instructions.

    +
      +
    1. Fill out the this form link with your first/last name, and Andrew ID
      2. +
    2. Go to your school email and click the link in an email from "Google Cloud Notifications" to verify your email address
      3. +
    3. Go back to your email, click on the link ("click here to redeem") within a second email from "Google Cloud Notifications," and copy the provided code into the field within the new link
      4. +
    +

    Once you submit, a $50 credit should be applied to your GCP billing account.

    +
    +

    Do not misuse!

    +

    We've been awarded enough credits such that each student in 17-313 can redeem one coupon. We'll be closely monitoring coupon redemption. Any and all misuse including sharing redemption instructions, redeeming multiple times, etc. will be punished.

    +
    +

    Deploy on GCP Cloud Run

    +

    Make sure you're logged into the Google account you used to redeem your GCP credits.

    +

    Once you're logged into the right credit-bearing Google account, use the following instructions to deploy on GCP Cloud Run.

    +
      +
    1. Create a project called "NodeBB" using the GCP Cloud Console (you can set the location to "Students")
      2. +
    2. Visit the Cloud Run console and select the project you just created using the project selector drop down(top-left)
      3. +
    3. Click on "Create Service"
      4. +
    4. Select "Continuously deploy new revisions from a source repository" and click "Set up with Cloud Build"
      5. +
    5. Set the Source repository to be your team's NodeBB repository - you may need to click on "Manage connected repositories" and authenticate with GitHub if you don't see the repository.
      6. +
    6. Set the Build Type to the "Dockerfile" option
      7. +
    7. In the "Autoscaling" section, set the minimum number of instances to 1
      8. +
    8. In the "Authentication" section select "Allow unauthenticated invocations"
      9. +
    9. Click on the "Container, Networking, and Security" dropdown and set the "Container Port" to 4567 +10.Click "Create"
      10. +
    10. Once the deployment is complete, click on the URL of the form *.run.app at the top of the page to view the deployment.
      11. +
    +

    You should see a form that says "NodeBB Web Installer". Keep this URL handy because you'll need it later :)

    +

    Create Config Script

    +

    At this point, we could use the web installer to generate the config.json file in our container and setup NodeBB. However, since this a serverless deployment, we're not guaranteed any persistence of data generated at runtime.

    +

    Therefore, we need to change our Dockerfile to generate the config.json file at build time of the container.

    +

    To do so, first create a template file called config_template.json that looks exactly like the following, and push your changes to your repository.

    +
    {
+  "url": "",
+  "secret": "c5502d62-84a5-41f1-87eb-ee33a76fb7bc",
+  "database": "redis",
+  "redis": {
+    "host": "",
+    "port": "",
+    "password": "",
+    "database": "0"
+  },
+  "port": "4567"
+}
+
    +
    +

    Why can't we just push a pre-populated config.json file?

    +

    This would solve the persistence problem and deploy NodeBB correctly. However, as a result, we expose secrets like the upstash redis connection details on a public GitHub repository. Injecting these secrets as environment variables at runtime gives our deployment access to them, while ensuring that the secrets remain secret.

    +
    +

    Configure the following environment variables by visiting the Cloud Run dashboard for your deployment, clicking on "Edit and deploy new revision" and then clicking on "Add Variable" in the "Environment Variables" section.

    +
      +
    • DEPLOYMENT_URL: URL of the form *.run.app that your Cloud Run deployment is live at.
      • +
    • REDIS_HOST: Endpoint value from your upstash redis database dashboard.
      • +
    • REDIS_PORT: Port value from your upstash redis database dashboard.
      • +
    • REDIS_PASSWORD: Password value from your upstash redis database dashboard.
      • +
    +

    We'll now add a bash script that will populate this template with environment variables defined at build time of our Docker container. Create a file called create_config.sh in your NodeBB repo, and populate the file with the following bash script.

    +
    #!/bin/bash
+
+# Check that environment variables have been defined
+if [[ -z "${REDIS_HOST+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_HOST is not defined!"
+  exit 1
+fi
+
+if [[ -z "${REDIS_PORT+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_PORT is not defined!"
+  exit 1
+fi
+
+if [[ -z "${REDIS_PASSWORD+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_PASSWORD is not defined!"
+  exit 1
+fi
+
+if [[ -z "${DEPLOYMENT_URL+x}" ]]; then
+  # var is not defined
+  echo "Error: DEPLOYMENT_URL is not defined!"
+  exit 1
+fi
+
+# Read the JSON file
+json_data=$(cat "/usr/src/app/config_template.json")
+
+# Update the JSON file with the environment variables
+json_data=$(jq --arg deployment_url "$DEPLOYMENT_URL" '.url = $deployment_url' <<< "$json_data")
+json_data=$(jq --arg host "$REDIS_HOST" '.redis.host = $host' <<< "$json_data")
+json_data=$(jq --arg port "$REDIS_PORT" '.redis.port = $port' <<< "$json_data")
+json_data=$(jq --arg password "$REDIS_PASSWORD" '.redis.password = $password' <<< "$json_data")
+
+# Write the updated JSON file to config.json
+echo "$json_data" > "/usr/src/app/config.json"
+
+cat /usr/src/app/config.json
+
    +

    Now, update your Dockerfile so that it looks like the following.

    +
    FROM node:lts
+
+RUN mkdir -p /usr/src/app && \
+    chown -R node:node /usr/src/app
+WORKDIR /usr/src/app
+
+RUN apt-get update && apt-get install -y jq
+
+ARG NODE_ENV
+ENV NODE_ENV $NODE_ENV
+
+COPY --chown=node:node install/package.json /usr/src/app/package.json
+
+USER node
+
+RUN npm install && \
+    npm cache clean --force
+
+COPY --chown=node:node . /usr/src/app
+
+ENV NODE_ENV=production \
+    daemon=false \
+    silent=false
+
+EXPOSE 4567
+RUN chmod +x create_config.sh
+CMD  ./create_config.sh -n "${SETUP}" && ./nodebb setup || node ./nodebb build; node ./nodebb start
+
    +

    We're making two changes here: (1) installing the jq package to read/edit json files from our bash script, and (2) running the create_config.sh script on container startup.

    +

    Once you push your changes, a new deployment should get triggered and it should be good to go once complete. Congratulations! You've now setup a continuous deployment of NodeBB on GCP.

    +

    Be sure to share the application link with your teammates to ensure they can also access the application and test that all your added features from Project 2 have been successfully applied.

    + + + + + + +
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    Project 3: Continuous Integration + Deployment

    +

    Learning Goals

    +
      +
    • Learn how to deploy a full-stack application
      • +
    • Gain hands-on experience with analysis tools, including setting up, customizing, and using them
      • +
    • Practically assess and compare the costs and benefits of existing static and dynamic bug-finding tools
      • +
    • Integrate CI/CD tools into development practice
      • +
    +

    Project Context

    +

    Adding continuous integration for quality assurance is a critical part of software development. Although you have been testing your new system this whole time, you are now setting out to establish sustained practices that can be used moving forward as you iterate over and continue to improve your system.

    +

    Your manager has assigned you two major tasks. Firstly, establishing a deployment pipeline to create a test version of the website that can be sent to beta testers who have little to no experience with code development (and therefore can not set up the developer environment by themselves).

    +

    Secondly, evaluating existing tools and practices beyond simple linting or unit testing, then producing a report on the cost/benefit tradeoffs and risks of them. You will also select and integrate one (or more!) of these tools into your development process.

    +

    Deliverables and Deadlines

    +

    There are two (2) deadlines for this project. This project is worth a total of 120 points.

    +

    Checkpoint Deliverables – 35 points – due Sunday, October 22, 11:59pm

    + +

    Final Deliverables – 65 points – due Sunday, October 29, 11:59pm

    + +

    Extra Credit (Individual) - 6 points - due Sunday, October 29, 11:59pm

    + +
    +

    Work Distribution

    +

    There are two main focuses in this project: deployment and static/dynamic analysis. For the purposes of equitable distribution of labor, we recommend that you nominate one of your members to act as the SRE for this assignment who will be primarily responsible for deployment, and have all other teammates focus on tool research and integration.

    +
    +

    Checkpoint Deliverables

    +

    Deployed Application (25 pts)

    +

    Your team will be using Google Cloud Platform for the deployment of the NodeBB application. Further instructions on how to deploy can be found here.

    +

    Once you have successfully deployed your website, make sure to test within your team to ensure that your added feature(s) from Project 2 are properly integrated.

    +

    By the checkpoint deadline you should

    +
      +
    • Submit a link to the deployed site onto Gradescope
      • +
    • Add your deployed site to this public spreadsheet, alongside your team name & UserGuide.md (as a link to the file on GitHub) that your team submitted for Project 2. This will be used in Feature Review for extra credit.
      • +
    +

    Tools Checkpoint (10 pts)

    +

    Before jumping into tool integration, your manager would like you to research what existing analysis tools are out there that can be used with NodeBB. You will evaluate the tools, and eventually document your findings in a design document for your final deliverable.

    +

    First, identify and experiment with at least N-1 potential static and dynamic analysis tools that are applicable to your system, where N is the number of people in your team. We provide a starter list of tools in the resources section below to help you get started, but you are not limited to these tools.

    +

    In your selection of tools, you should

    +
      +
    • have at least one static analysis tool
      • +
    • have at least one dynamic analysis tool
      • +
    • have at least one tool that is not from our starter list
      • +
    • not use any of the existing tools within NodeBB as part of your analysis (mocha/ESLint/TSLint)
      • +
    +

    For each tool that you assess

    +
      +
    1. Create a separate testing branch in your repository (named appropriately for the tool you’re testing) to integrate the tool into your project and test out its capabilities
      2. +
    2. +

      Create a pull request to the main branch from each of these testing branches. The PR should have

      +
        +
      • Concrete evidence that you had successfully installed the tool through trackable file changes demonstrating that extra files/NPM packages were installed.
        • +
      • Artifacts that demonstrate that you have successfully run the tool on your repository. Acceptable artifacts include output files generated by the tool, or a text file containing the terminal output from the tool; you may also attach screenshots as additional pieces of evidence. They can be attached to the Pull Request in either the description or follow-up comments.
        • +
      +
      3. +
    +
    +

    Grading Note

    +

    We will not be grading the quality or quantity of any code you put into these testing branches/PRs, just the evidence that you have successfully installed and run the tool.

    +
    +

    In your evaluations, consider & experiment with the types of customization that are appropriate or necessary for this tool, both a priori (before they can be used in your project) and over time. Assess the strengths and weaknesses of each tool/technique, both quantitatively and qualitatively.

    +

    Consider some of the following questions:

    +
      +
    • What types of problems are you hoping your tooling will catch? What types of problems does this particular tool catch?
      • +
    • What types of customization are possible or necessary?
      • +
    • How can/should this tool be integrated into a development process?
      • +
    • Are there many false positives? False negatives? True positive reports about things you don’t care about?
      • +
    +
    +

    Tool Evaluation

    +

    There are a lot of different factors to consider when evaluating a tool. We recommend discussing with your teammates and deciding on a group of metrics to focus on when performing evaluations.

    +
    +
    +

    Time Management

    +

    Don’t spend too long for this checkpoint. Set deadlines within your team to ensure that you have enough time for both the design document and integration deliverables described below for the final deadline.

    +
    +

    By the checkpoint deadline, your team will submit

    +
      +
    • your initial list of the N-1 tools that your team plans on exploring, and
      • +
    • links to the PRs that demonstrate that you have successfully installed and run each of these tools
      • +
    +

    Final Deliverables

    +

    Tool Analysis Design Doc (50 pts)

    +

    Create a Design Document/RFC that includes:

    +
      +
    • A tools evaluations section detailing your team’s analysis on each of the tools you experimented with
      • +
    • A justification section explaining which tool(s) you think the project should use moving forward
      • +
    • An integration section describing how the selected tool(s) shall be integrated into your process
      • +
    • A conclusion section summarizing your work
      • +
    +

    Below, we provide more detailed instructions and page limit recommendations for each of the sections.

    +

    Tool Evaluations (~N pages)

    +

    For each of the N-1 tools explored by your team, you must provide:

    +
      +
    • Name and high-level description of what the tool does and a link to its documentation/source
      • +
    • Whether the tool is used for static or dynamic analysis
      • +
    • A link to the pull request made from the testing branch for this tool
      • +
    • A pro/con analysis of the tool and appropriate evidence in the form of screenshots to support your claims. You can use the questions provided in the research you did for the checkpoint to shape your analysis.
      • +
    +

    Each of these sections should take up approximately 1 page (including screenshots) and no more than 2 pages.

    +

    Justification (~Half a page)

    +

    After going through each of the tools, you should explicitly state the tool(s) you are choosing to integrate for this project and provide a justification for why you are selecting this tool. You should refer to the pro/con analysis done in the prior sections and how they align with the goals of your team and the project overall.

    +

    You must recommend at least one tool, even if it’s with reservations.

    +

    Integration (<1 page)

    +

    This section should address the different factors to take into consideration when integrating a new tool. At minimum, you should address the following:

    +
      +
    • Technical Questions
        +
      • How are you integrating the tool (high-level)? At what point in the development/deployment process shall it be integrated? What sorts of customization or configuration will you be using?
        • +
      • If you added any specific configuration to allow the main branch of your repository to pass its status checks, add the justification for those decisions in this section.
        • +
      +
      • +
    • Social Integration Questions
        +
      • How do you foresee the team using the tool during their development process? Consider the incentives & deterrents to the developers when it comes to using the tool, and their personal motivation to use it.
        • +
      +
      • +
    +

    Your answers should be based on your experiences running the tools on your team repository and be grounded in data from your research on different factors such as tool usability, output, and customizability.

    +

    Keep this section updated as you work on implementing the integration.

    +

    Conclusion (<1 page)

    +

    In this section, provide a brief summary of your findings along with items that were not addressed in the previous sections.

    +
      +
    • Are there any open questions?
      • +
    • Are there any issues you consider to be out of scope?
      • +
    • What drawbacks of the proposed process/tooling are you accepting for some (good) reason?
      • +
    +

    This section should be used to wrap everything up and ensure you have a good/complete design document!

    +

    Submit the Design Document as a single PDF to Gradescope.

    +

    Tool Integration (15 pts)

    +

    Once you have a tool selected along with a general integration plan, you should fully integrate one of the tools into your project’s workflow. For your checkpoint research, you should have successfully run this tool locally; you should then create a new workflow within the project to run it as part of the development cycle.

    +

    Your team should discuss:

    +
      +
    • How often should this new integration be run (on each pull request? on commits to main?)
      • +
    • What level of customization is needed for this tool?
      • +
    • How should the integration of this tool be enforced?
      • +
    +

    This configuration must have been justified in your design document under the Integration section.

    +

    To be considered successfully integrated, the tool must:

    +
      +
    • Be merged into your main branch
      • +
    • Have been run at least once in the Git flow cycle (i.e. either during the pull request, merge, or commit stage).
      • +
    • Pass when run on your codebase. This is indicated by having a green checkmark.
      • +
    +
    +

    Ensuring Passing Checks

    +

    In order to ensure your checks pass successfully, you may have to make additional changes to your repository, such as fixing reported issues or tweaking tool configuration.

    +

    These changes should be documented and addressed in your design document. Continually failing builds show you have not completely integrated the tool into your workflow.

    +
    +

    On Gradescope, submit a link to your repository and a link to one of the successful GitHub Action runs.

    +

    Extra Credit

    +

    Now that you and your classmates have deployed your applications, you will be able to test out each other’s features and provide constructive feedback on your experience and how to improve them! Take this as an opportunity to learn about what your classmates have been working on for the past few weeks.

    +

    Note that this is an individual task, unlike the rest of project.

    +

    Feature Review (6 pts)

    +

    For extra credit, you will conduct reviews of features developed by three other teams' project. Pick three teams's deployment from the public spreadsheet to review.

    +

    For each team, you will submit a review of their feature(s). You will need to test the feature(s) as described in their UserGuide and provide feedback on the following:

    +
      +
    1. How was the experience of using the feature(s), would this be something you think would help enable better communication between faculty and students and why?
      2. +
    2. How do you think the feature can be improved? and/or What do you think the feature did well in?
      3. +
    3. Did you discover any bugs using the feature(s)?
      4. +
    +

    To qualify for extra credit, you will have to submit your review:

    +
      +
    • on Gradescope
      • +
    • in the appropriate sheet in the public spreadsheet. There should be one sheet per team, and you should add your review to the sheet for the team you are reviewing.
      • +
    +

    Grading

    +

    To receive full credit for the checkpoint, we expect:

    +
      +
    • A link to your successfully deployed web application for your team repository
      • +
    • A list of N-1 different static and dynamic analysis tools, where N is the number of members on your team. This list must satisfy all the following criteria:
        +
      • Contain at least one static analysis tool
        • +
      • Contain at least one dynamic analysis tool
        • +
      • Contain at least one tool not on our starter list of tools
        • +
      +
      • +
    • Links to N-1 pull requests for each of the selected tools containing evidence of the tool being run at least once on your repository
      • +
    +

    To receive full credit for the final deadline, we expect:

    +
      +
    • A design document describing your research into each of the potential tools, justification for your selection of integrated tool(s), and your final integration plan
      • +
    • A link to a successful run of a GitHub Action that demonstrates your integration of your selected tool(s) into your team workflow
      • +
    +

    To receive full credit for the extra credit, we expect:

    +
      +
    • Your review of three different teams' features on Gradescope and on the public spreadsheet, addressing the three questions described.
      • +
    +

    Resources & Documentation

    +

    Starter List of Tools

    +

    NodeBB is built in Javascript/Typescript using Node.js and uses Benchpress for its frontend templating. Below are non-exhaustive lists of analysis tools that are available.

    +

    For other resources, Awesome Static Analysis page and Awesome Dynamic Analysis page have extensive listings of available static and dynamic analysis tools for a pretty hefty list of programming languages.

    +

    Some of the tools already have existing GitHub Actions workflows on GitHub Marketplace; use your Googling skills, and see what you find!

    +

    Static Tools

    +
      +
    • flow: Static type checker for JavaScript
      • +
    • JScent: Program analyzer for detecting “code smells”
      • +
    • JSHint: Used to flag suspicious usage in JavaScript programs
      • +
    • StandardJS/ts-standard: Static analysis tool for code quality within JavaScript/TypeScript projects
      • +
    • Retire.js: Finds library/node module vulnerabilities within your project
      • +
    +

    Dynamic Tools

    +
      +
    • Iroh: Runtime code tracking and visualization
      • +
    • Jalangi: Framework for dynamic analyses in JavaScript
      • +
    • Fast-Fuzz: Fuzzing framework for TypeScript
      • +
    • Stryker Mutator: Mutation testing tool for JavaScript
      • +
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    Project 4: Software Architecture + ML Evaluation

    +

    Learning Goals

    +
      +
    • Design a software architecture for software system that incorporates machine learning
      • +
    • Decide the appropriate architecture for a given problem
      • +
    • Assess and describe the tradeoffs of different architectures
      • +
    • Integration of machine learning into a software system and reason about their implications
      • +
    • Evaluate the performance and fairness of machine learning models
      • +
    • Engage meaningfully with engineering ethics
      • +
    +

    Project Context

    +

    As you and your team continue developing the new system, your CMU contact suddenly bursts into the room shouting, “Careers! Hiring! Machine learning!”

    +

    Your manager follows closely behind and provides an explanation: a significant number of job recruiters have taken interest in your project and would like to use the platform as a means to reach out to students for career opportunities. However, the population of students is too large, and increasing annually. They are concerned by the sheer number of students to review for job applications, and recruiters want a simpler way to narrow the applicant pool.

    +

    While your team had been working on deployment, your buzzword-enamored clients had hired another engineer to work on an extra ML-based feature to take in student performance data and provide a prediction of which applicants are more likely to succeed in industry. Specifically, the new career feature would:

    +
      +
    • adds a new recruiter user type
      • +
    • adds a new career tab on NodeBB, that leads to a new career page
      • +
    • the new career page will
        +
      • allow students to submit relevant information about themselves for recruiters to see
        • +
      • allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry
        • +
      +
      • +
    +

    However, the engineer left shortly after and the project was abandoned. They have left an unfinished draft pull request on the repository, and you have been tasked with completing the project.

    +

    Your manager wants you to:

    +
      +
    1. Assess the current architecture, and decide what would be the best way to incorporate the work done by the previous engineer
      2. +
    2. Reason about, document and select an appropriate architecture for the project
      3. +
    3. Finish integrating the feature made by the previous engineer based on your team's new design
      4. +
    +

    Along with architectural issues, as the feature will be evaluating student information, you are also concerned about the fairness of the model. You have been tasked with:

    +
      +
    1. Evaluating the pre-trained model's performance and fairness
      2. +
    2. Writing a report on the evaluation of the model
      3. +
    3. Provide a decision on whether the model should be used in production
      4. +
    +

    Deliverables and Deadlines

    +

    There are two (2) deadlines for this project. This project is worth a total of 180 points.

    +

    Checkpoint Deliverables – 80 points - due Monday, November 5th, 11:59pm

    + +

    Final Deliverables – 100 points - due Monday, November 12th, 11:59pm

    + +

    Checkpoint Deliverables

    +

    Architectural Design Document (60 points)

    +

    To start off, your manager has requested a concrete design document on how you plan on integrating the new ML-based career feature into the existing codebase. One of your manager's requirements is that the career feature should work on a deployed site.

    +

    You will later follow this design document in order to fully integrate this feature into NodeBB.

    +

    Your team should start by evaluating what components of the feature have been implemented for you by the previous engineer as detailed in their draft pull request, then consider potential architectural solutions. It is highly recommended that at least one team member does a fresh clone and run the draft pull request locally to get a better understanding of the feature before proceeding. (Note: You can clone template repositories without forking them.)

    +

    Some initial solutions to consider include:

    +
      +
    1. Rewriting the all aspects of the feature in Typescript and incorporating it into the monolith
      2. +
    2. Implementing a Python-based microservice and deploying it as a separate service; then, integrating the service with your existing monolith via a REST API
      3. +
    3. Refactoring part or all of the existing monolith into a microservices-based architecture
      4. +
    +
    +

    Implementation Efforts

    +

    Keep in mind that your team will have to integrate the feature as part of the final deliverable. This should be a factor that affects your final decision on which architecture to pursue.

    +
    +

    Once you have finished evaluating the codebase, create the design document highlighting your findings and decisions. Below is a sample outline for your design document along with recommended page lengths.

    +
      +
    1. +

      Feature Overview (<1 pages) + Describe concisely how the career feature works and how it will be used by the relevant stakeholders, with screenshots if necessary.

      +
      2. +
    2. +

      Current Architecture (<1 page) + Provide a brief description of the current NodeBB architecture and the current state of the new career feature (i.e. unintegrated with the rest of the codebase).

      +

      Include an architectural diagram to support your description.

      +
      3. +
    3. +

      Quality Requirements (<1 page) + Provide a concise, prioritized list of the overall quality requirements you considered in arguing for the integration of the feature into the system and a short justification for each. Your team should decide on at least three requirements to focus on.

      +

      Rank your requirements in decreasing order of importance. This allows readers to quickly understand what you were designing for.

      +
      4. +
    4. +

      Potential Solutions (~1 page each) + Your team should consider at least two different potential solutions for integrating the new feature. For each, provide at least one architectural diagram, a brief description of the solution's architectural design, and a discussion of the design's tradeoffs.

      +

      Tradeoffs must involve (but are not limited to) the quality attributes described in the previous section. Justify such arguments with reference to appropriate diagrams and concrete examples, as appropriate.

      +
      5. +
    5. +

      Selected Architecture + Justification (<1 page) + Describe which design your team decided to proceed with in architecturally integrating the feature into existing codebase. Justify your design decisions, including why your design is adequate for the quality attributes important to this system, and what assumptions you made in your design (if any).

      +

      Within your justification, you should explicitly include a timeline demonstrating how you plan on dividing development work within your team to ensure you finish implementation before the final deadline..

      +
      6. +
    +
    +

    On Diagrams

    +

    Diagrams should involve suitable architectural views; must include a legend; and should involve appropriate levels of abstraction for the components in the diagram. If necessary, use color/shape/text to differentiate between types of components and connectors.

    +

    You may find it appropriate to merge more than one view into a single diagram. If you do this, you must be explicit about what views you are merging, and why. Otherwise, diagrams should clearly represent legitimate architectural views. Make sure that multiple views of the architecture are consistent with each other and the links are clear; if necessary provide a mapping in additional text.

    +
    +
    +

    Drawing Diagrams

    +

    Drawing diagrams is much easier with the right software. Consider tools like draw.io (free, online, and collaborative), Dia, OmniGraffle, MS Visio, or even just the drawing editor of Google Docs. Google Slides will also likely work for this purpose.

    +

    Pictures of whiteboard drawings are also acceptable, if clearly readable.

    +
    +

    More resources to assist you with creating your design document can be found in the Resources & Documentation section below.

    +

    By the checkpoint deadline, your team will submit your design document to Gradescope as a PDF.

    +

    Jupyter Notebook Setup (20 points)

    +

    As the previous engineer left in a hurry, the model that was provided to you is pre-trained and you do not have any information on how it was trained. You are tasked with evaluating the model's performance and fairness.

    +

    When it comes to training the model itself, the ML engineer who worked on the project before you had the following assumptions:

    +
      +
    • The model is used to predict whether a student will be a good candidate for a software engineering job. It is a binary classifier, where 1 means the student is a good candidate, and 0 means the student is not a good candidate.
      • +
    • The model is trained on a dataset of students who have graduated from CMU, and have been working in the industry for at least 1 year.
      • +
    • In order to prevent bias, they assumed that removing Gender (M, F) and Student ID from the dataset would be sufficient when it comes to training the model. They claimed that it is now Group Unaware, thus the model would be fair.
      • +
    +

    The model specification is as follows: +

    X variable (input parameters)
+- Age (18 - 25)
+- Major (Computer Science, Information Systems, Business, Math,
+         Electrical and Computer Engineering, Statistics and Machine Learning)
+- GPA (0 - 4.0)
+- Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government,
+    Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball,
+    American Football, Men's Golf, Fraternity)
+- Number of Programming Languages (1, 2, 3, 4, 5)
+- Number of Past Internships (0, 1, 2, 3, 4)
+
+Y variable (output)
+- Good Candidate (0, 1)
+
    +The previous engineer has provided some examples on the usage of the model in the draft pull request.

    +

    You are provided with a test dataset, which contains a similar set of features and output (whether the student is a good candidate or not). This test dataset is a different set of students from the training dataset, and the evaluation of whether the student is a good candidate is done by a fair panel of recruiters, so it can be considered to be unbiased. Additionally, the panel of recruiters have provided you with additional context on the extracurricular activities in comments (marked with #).

    +

    Your test dataset is provided to you in the following format: +

    X variable
+- Student ID
+- Gender (M, F)
+- Age (18 - 25)
+- Major (Computer Science, Information Systems, Business, Math,
+         Electrical and Computer Engineering, Statistics and Machine Learning)
+- GPA (0 - 4.0)
+- Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government,
+    Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball,
+    American Football, Men's Golf, Fraternity)
+  # Likely Co-Ed (Student Theatre, Buggy, Teaching Assistant, Student Government)
+  # Likely Majority Female (Society of Women Engineers, Women in CS, Volleyball, Sorority)
+  # Likely Majority Male (Men's Basketball, American Football, Men's Golf, Fraternity)
+- Number of Programming Languages (1, 2, 3, 4, 5)
+- Number of Past Internships (0, 1, 2, 3, 4)
+
+Y variable
+- Good Candidate (0, 1)
+

    +

    Before doing a thorough evaluation of the fairness of the model, you will start by doing preliminary analysis on the test dataset, and run the model on the test dataset to get the accuracy of the model. To do so, you will need to set up a Jupyter notebook to do this, you can either:

    +
      +
    • Use Google Colab to run the notebook in the cloud. (Recommended if you do not have experience with Jupyter notebooks)
      • +
    • Alternatively, set up a JupyterLab on your local machine. Additionally, you can use VSCode to run the notebook as well. (Recommended if you are experienced)
      • +
    +

    It is recommended that you use Python 3.9 or above when setting up the notebook.

    +

    After you have set up the notebook, you should:

    +
      +
    1. Load the model and test dataset
      2. +
    2. Plot the distribution of the test dataset across all features (except Student ID) using any visualization library of your choice (e.g. pandas, matplotlib, seaborn, plotly, etc.). You should choose the appropriate visualization for each feature.
      3. +
    3. Predict the output of the test dataset using the model
      4. +
    4. Report the accuracy of the model, and the confusion matrix
      5. +
    +

    Refer to the Resources & Documentation section if you need help with any of the above steps.

    +

    By the checkpoint deadline, your team will commit the Jupyter notebook to your repository, and submit a link to the Jupyter notebook with the basic analysis and usage of the model done.

    +

    Final Deliverables

    +

    Feature Integration Implementation (60 points)

    +

    Complete the integration of the ML-based candidate recommendation feature into your team repository for NodeBB. Your implementation should follow your selected design from your checkpoint design document.

    +

    Revisiting the project context, the feature:

    +
    +
      +
    • adds a new recruiter user type
      • +
    • adds a new career tab on NodeBB, that leads to a new career page
      • +
    • the new career page will
        +
      • allow students to submit relevant information about themselves for recruiters to see
        • +
      • allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry
        • +
      +
      • +
    +
    +

    You may freely use any and/or all of the development progress made available in the draft pull request in your implementation. In fact, if the draft pull request matches your proposed design, you are highly encouraged to directly integrate all code from the draft pull request as a starting point for your implementation.

    +

    On Gradescope, you should:

    +
      +
    • Submit a link to your deployed site that has the career features successfully integrated
      • +
    • Answer the discussion questions regarding your implementation and any additional design decisions made by your team
      • +
    +
    +Partial Credit +

    For partial credit, you may instead submit your repository with a locally working integration of the career feature. You should then answer the presented questions on Gradescope for how to get your feature working locally.

    +
    +
    +

    A Note on CD

    +

    While we encourage CD workflows, your deployment does not have to be automated for this assignment. In other words, it is acceptable to manually deploy your site without modifying your workflow from the previous project.

    +
    +

    Evaluation Report (40 points)

    +

    Now you have to decide whether the model should be used in production. You will need to evaluate the performance and the fairness of the model. You should do all your work in the Jupyter notebook that you set up in the checkpoint deliverables.

    +

    Performance Evaluation

    +

    You should have already evaluated the performance of the model in the checkpoint deliverables. You should now do a more thorough evaluation of the model's performance. You should:

    +
      +
    • Evaluate the model's performance on the test dataset, and report the accuracy and confusion matrix
      • +
    +

    Fairness Evaluation

    +

    When evaluating the fairness of the model, you should

    +
      +
    • Revisit the assumptions made by the previous engineer
      • +
    • Revisit the fairness discussion we had in class, and also in ML Discrimination
      • +
    • Consider the fairness strategies and corresponding metrics that can be used to evaluate the fairness of the model
      • +
    +

    Report

    +

    After evaluating the performance and fairness of the model, you should now write a report on your findings. You will also need to provide a decision on whether the model should be used in production.

    +

    Your report should include the following sections with clear headings:

    +
      +
    1. Introduction (< 0.5 page) + Provide a brief introduction to the model that you are evaluating, and the test dataset that you are using, and the context of use of the model.
      2. +
    2. Description of the test data (< 1 page) + Provide descriptive statistics of the test dataset (e.g. mean, median, mode, standard deviation, etc.) for each feature, preferably in a table. You should also provide a brief discussion on the distribution of the features.
      3. +
    3. Model Performance (< 0.5 page) + Provide the accuracy and confusion matrix of the model on the test dataset and a brief discussion on the performance of the model.
      4. +
    4. Feature Exploration (< 1 page) + Identify features that you think are important when it comes to evaluating the fairness of the model, and explain why.
      5. +
    5. +

      Fairness Evaluation (~ 1.5 page) + Consider three fairness strategies that were discussed in class and then:

      +
        +
      1. Provide the corresponding fairness metrics for the model (if applicable) based on the features you selected in step 4.
        2. +
      2. Determine whether the model is fair under each fairness strategy, and provide a brief discussion on why.
        3. +
      3. Determine which fairness strategy is the most appropriate for the model, given the context of what the model is used for. Provide a brief discussion on why.
        4. +
      +
      6. +
    6. +

      Recommendation (< 0.5 page) + Make a recommendation on whether the model should be used in production, and provide a brief discussion on why.

      +
      7. +
    +

    On Gradescope submit the following:

    +
      +
    • A link to your Jupyter notebook that contains your code and analysis that is committed to your GitHub repository.
      • +
    • A PDF of your report
      • +
    +

    Grading

    +

    To receive full credit for the checkpoint, we expect:

    +
      +
    • A design document outlining your research into the existing codebase architecture, the quality requirements considered by your team, alternative solutions, and a final justification & timeline for your selected integration plan
      • +
    • A link to a Jupyter notebook completing all of the setup steps outlined by the previous section
      • +
    +

    To receive full credit for the final deadline, we expect:

    +
      +
    • A link to your successfully deployed web application for your team repository which demonstrates the integration of the ML-based career feature
      • +
    • A link to a Jupyter notebook containing all research/data gathered during your evaluation of the ML model
      • +
    • An uploaded PDF report discussing the fairness of the model addressing all the sections outlined above
      • +
    • Everyone in the team has contributed to a pull request to the team repository (Note: Either for the Jupyter notebook or the career feature integration)
      • +
    +

    Resource & Documentation

    +

    Design Documents

    +

    The design document task is easy to underestimate both in terms of time needed and in terms of difficulty designing meaningful and useful descriptions. While it is easy to create a superficial solution, a good solution will likely require significant thinking, discussion, and iteration.

    +

    Feel free to seek feedback from the course staff on your solution before submission!

    +

    We recommend that you appoint someone in your team to track the accuracy and completeness of architectural representations throughout this assignment. Do not just divide up the views among your team members and assume they show everything needed. You only need to submit the final designs/documents, not intermediate steps on the process of getting there.

    +

    There are a few additional reference materials available in the CMU library that your team may want to consult. We do not recommend reading through all of it; instead, skip around to sections that are relevant to you.

    + +

    Integration

    + +

    Model Analysis

    +

    Jupyter Notebooks

    + +

    Pandas

    + +

    Data Analysis

    + +

    Visualization

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    Project 5A: Project and Task Selection

    +

    Deliverables

    +

    Project & Task Selection – 80 points – due Tuesday, November 21st, 11:59pm

    +
      +
    • Check-In Presentation Slides – due Tuesday, November 21st, 11:59pm
      • +
    • Presentation Date – Tuesday, November 21st, during the lecture time
      • +
    +

    Open Source Project Selection

    +

    You may select any active open source project in any language, as long as it's not already being selected on by another team. You can find a list of open source projects selected by other teams on the Public Project Selection Spreadsheet.

    +

    Here are some helpful resources for finding open source projects:

    + +

    You may want to consider any open-source projects you have used before, or are interested in using in the future!

    +

    The open source project you pick should be active and have multiple contributors. Generally you want to pick projects that are quick at reviewing and accepting PRs from external contributors for a better chance of getting your bonus. Previous students have lamented choosing dead or maintenance projects without sufficient community support. Do not make this mistake.

    +

    If you have questions on if we would consider a project active, contact the course staff.

    +

    Once you have selected a project, add it to the Public Project Selection Spreadsheet.

    +

    Task Selection

    +

    For the rest of this assignment, we will refer to bug fixes and feature extensions as tasks.

    +

    You are free to chose any task(s) to complete for this assignment, as long as they:

    +
      +
    • Are taken from a bug report or feature request in a public database or message board. Do not invent a task. Address a documented project need.
      • +
    • Make changes to the project’s source code. Pure documentation or design tasks are not appropriate
      • +
    • Benefit from teamwork and are appropriate for your team size (i.e. do not select one small independent task per team member). You may choose one large task or several smaller, related tasks. The tasks should be scoped such that each team member spends one week of development effort
      • +
    +

    We expect students to actively communicate with the project owners the task you are trying to do via the owners' preferred methods of communication (GitHub comments, Discord server, etc) and follow the repository's issue assignment process(es). This will also ensure that they are more likely to accept your pull request(s) in the future.

    +

    If you have questions on these criteria, contact the course staff.

    +

    Task Planning

    +

    Once you have selected a project and task(s), break them down into subtasks, consider their priority and assign them to each team member. Identify a set of tasks as your core goal for this project, and another set of tasks as stretch goals.

    +

    You are expected to achieve your core goal for this project, and stretch goals as much as possible. We will work with you to adjust your goals during the check-in presentation to ensure that they are appropriate your team size and timeframe.

    +

    As per previous project, plan before you start coding. You should identify risks and requirements, and develop a collaboration plan and schedule.

    +

    Check-In Presentation (80 pts)

    +

    The lecture slot of Tuesday, November 21st will be dedicated to an in-person group presentation about your project and task selection.

    +
      +
    • Presentations are 7 minutes long, with 3 minutes of feedback and Q&A
      • +
    • The order of presentations will be randomly determined
      • +
    • Participation from all team members during the presentation is required
      • +
    +
    +

    Presentation Attendance

    +

    For full credit, you would have to be on time for the presentation session. If you are unable to attend in-person, you must

    +
      +
    • Send an email to the instructor with justifications at least 24 hours before the presentation, else you will receive no credit for this part of the assignment, and
      • +
    • Pre-record your segment of the presentation, which your teammate will play during the presentation
      • +
    +
    +

    Your group presentation will serve as a check-in to determine if the open source project and task(s) chosen were reasonable

    +

    Your 7-minute check-in presentation should include (the recommended slides amount is in parenthesis):

    +
      +
    1. +

      Overview and Justification (~1 slide) + An overview on the project you selected, summarizing the relevant characteristics you considered when making your selection. Beyond whatever additional information you collect in your research, include at least a name, a website link, and a brief description of the project (what it does, who uses it, etc). +

      +
      2. +
    2. +

      Successful Build (~1 slide) + Evidence that you can build and run the software (e.g., a screenshot or text output from a successful build, a screenshot of the running program). Getting an open-source project to build/run can be a huge effort, and we want to mitigate this risk. +

      +
      3. +
    3. +

      Task(s) Description (~2-3 slides)

      +
        +
      • A brief textual description of your proposed change(s). In addition to your core task(s), you may choose to include a stretch task, depending on how difficult the changes end up being, you may not need to implement it. Note that if your actual changes deviate from the plan, we expect a short explanation with the final submission.
        • +
      • A justification as to why the task(s) benefit(s) from teamwork and are appropriate for your team size. +
        • +
      +
      4. +
    4. +

      Task Requests(s) (~1 slide)

      +
        +
      • Evidence that the task(s) is/are requested by the community (links suffices).
        • +
      • Evidence of communication with the project owners (e.g., a link to a discussion thread, a screenshot of a chat, etc). +
        • +
      +
      5. +
    5. +

      Subtasks & Assignments (~1 slide) + A table to summarize for each subtask:

      +
        +
      • A description of each subtask
        • +
      • The priorities & justification of priorities of the subtasks (and if it's part of core goals or stretch goals)
        • +
      • An initial assignment of subtasks to team members. +
        • +
      +
      6. +
    6. +

      Schedule (~1 slide) + A table to summarize the schedule for each team member, including:

      +
        +
      • The start and end date of each subtask
        • +
      • The number of hours each team member will spend on each subtask
        • +
      • The number of hours each team member will spend on the project in total +
        • +
      +
      7. +
    7. +

      Risk & Mitigation Strategies (~1 slide) + A list of at least two relevant risks when it comes to working on the tasks in your selected open source project and corresponding mitigation strategies.

      +
        +
      • We expect you to identify risks that are specific to your project and team. For example, if you are working on a project that is written in a language that none of your team members have used before, you should identify this as a risk and discuss how you will mitigate it.
        • +
      • We will not accept risks that are generic to all open source projects (e.g., "the project may be abandoned"), or risks that are generic to all software development projects (e.g., "the project may have bugs").
        • +
      +
      8. +
    +

    Submit the presentation deck listed above as a single PDF file per team to Gradescope.

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    Project 5B & C: Project Presentations, Final Report, and Reflections

    +

    Deliverables

    +

    Project Report and Presentation – due Wednesday, December 6th, 11:59pm

    + +

    Presentation Date – Thursday, December 7th, 8:30am - 11:30am, during exam timeslot

    +

    Reflection – due Thursday, December 7th, 11:59pm

    + +

    Contributing to Open Source

    +

    You should perform adequate quality assurance activities when writing code.

    +
      +
    1. +

      Take further steps to understand the project’s code +You might find it useful to engage in intra-team discussions using static or dynamic diagrams. You might also find it useful to elicit feedback on your ideas by communicating with members of the open-source community.

      +
      2. +
    2. +

      Submit your changes to the project +Create any necessary documentation to enable acceptance of your code. Common contribution mechanisms include pull requests, emails to a project lead, or discussion board posts. You may also need to update the bug database. The project owners will review and evaluate your pull request, and you might need more work to get it approved. +You are required to submit your work to the open-source project

      +
      3. +
    3. +

      BONUS: Get your changes accepted +You will get a bonus 20 (6%) bonus points upon acceptance. If your code is accepted after the homework deadline but before final grades are released, inform the course staff.

      +
      4. +
    +

    Report, Presentation and Reflection

    +

    You will report on your project and task selection, work, and experience in several ways (see below). This will include a group presentation to the class.

    +

    Project Presentations (100 pts)

    +

    The Final Exam time is dedicated to group presentations (in-person) about your open source contributions.

    +
      +
    • Presentations are 7 minutes long, with 3 minutes Q&A.
      • +
    • The order of presentations is randomly determined.
      • +
    • Participation from all team members during the presentation is required.
      • +
    • Every individual will be asked to provide constructive feedback for other presentations in class via an paper form (which we will provide day-of).
      • +
    +
    +

    Presentation Attendance

    +

    For full credit, you would have to be on time for the presentation session (within 10 minutes of start time). If you are unable to attend in-person, you have to send an email with justification to the instructors at least a week before your final exam timeslot so that appropriate arrangements can be made. Exceptions to notification deadline will only be made for unforseeable circumstances.

    +
    +

    The goal of the presentation is primarily to share with the class the project to which you contributed, and your experiences. Your presentation should cover the following topics (the recommended slides amount is in parenthesis):

    +
      +
    1. +

      High-level Project Overview (~1 slide)

      +
        +
      • Describe the project in terms of its high-level goals and the context in which it operates. This may include a brief history and the business context. E.g. it may be interesting to note that a project was spawned from a closed-source operation, or that it competes primarily with a closed-source counterpart.
        • +
      +
      2. +
    2. +

      Brief Task Description(s) (~2 slides)

      +
        +
      • Brief description of the task(s) you performed, such that the audience has sufficient context to understand your explanation of your experiences.
        • +
      • A table that briefly summarizes the contribution(s) each team member made towards completing the task(s).
        • +
      • We do not expect you to include, for example, any code or diagrams from your report, unless they’re helpful for supporting a point about your interactions with the project.
        • +
      • Include a demo of your contribution(s), if applicable. Please do a screen recording of your demo instead of a live demo.
        • +
      +
      3. +
    3. +

      Project Processes and Communication (~2 slides) + Describe the processes and tools the project uses to coordinate among contributors. For example: Are these processes formal or informal? Provide an explicit description (possibly with a diagram) of the acceptance process used for efforts like the task you completed.
      If applicable, include standards or expectations regarding software engineering activities including requirements, architecture, and quality assurance; alternatively mention that no such standards exist.

      +
      4. +
    4. +

      Your Experiences (~2 slides) + Summarize your experiences (and what you learned!) interacting with this community of open source developers, focusing on any surprising or unusual aspects of the process or interaction. For example

      +
        +
      • Did you run into any trouble understanding, changing, or contributing to a large, pre-existing project?
        • +
      • Were there unanticipated challenges in either implementing your change, or in getting the change submitted to and accepted by the project maintainers?
        • +
      • Did the project collaboration process or culture help or hinder your effort in any way? Characterize any interaction you had with the team leadership and community, highlighting especially any useful/useless input you received. You may (but are not required to) also relate the experience from this homework assignment with relevant experience from internships or other projects.
        • +
      +

      Your summary of your experiences can be at whatever level of detail you think is interesting or informative. Given the time limit, selecting and highlighting the two or three most important or interesting observations is likely more useful than trying to be complete.

      +
      5. +
    +

    You must upload your slides as a single PDF document to Gradescope by Wednesday, December 6th at 11:59pm.

    +

    Project Report (120 pts)

    +

    After completing and submitting the modification, write a report about the tasks you have performed.

    +

    Your report should include:

    +
      +
    1. +

      Selected Project (1 paragraph) +A brief description of the open source system to which you contributed. You may reuse text from Part A.

      +
      2. +
    2. +

      Project Context and Business Model (<0.5 page) +An analysis of the open-source project’s context and business model. This may include a short history of the project, competing open- and closed-source projects, or a discussion of the developers’ motivations to build this system. Essentially, we want to know why this project exists and why it is important.

      +
      3. +
    3. +

      Task Description (per task) (<0.5 page) +A description of the tasks you have implemented and a high-level description of how you implemented them.

      +
      4. +
    4. +

      Submitted Artifacts (per task) +Evidence of the code, documentation, or other artifacts you produced for the task, and evidence that you submitted them to the project. This would likely be links to publicly available resources (repository, email, pull request, etc).

      +
      5. +
    5. +

      QA Strategy (<1 page) +Describe which QA activities you performed and justify why you selected these QA activities over others. Describe metrics if appropriate. The justification will likely refer to relevant requirements as well as to the project’s practices.

      +
      6. +
    6. +

      QA Evidence +Evidence of your quality assurance activities described above. For example, provide source code or links to source code of tests, provide test protocols, comments or protocols from code reviews, reports from static analysis tools, links to or screenshots from a continuous integration platform, and so forth.

      +
      7. +
    7. +

      Plan Updates (<1 page) +A description and justification of deviations between your initial plans and your performed activities (as in Homework 2). Changes are expected, but they should be tracked and explained. Describe changes in scope (e.g., fewer tasks) and in the schedule and work allocation. Provide an updated schedule and note differences. Explain the causes of the changes, such as unanticipated risks.

      +
      8. +
    8. +

      Extra Credit +Evidence that your changes have been accepted into the code base of the open source project in forms of links or screenshots. Note: You can also send the merged PR link via Slack to the instructor by December 10th 1pm to claim this bonus as well

      +
      9. +
    +

    Page limits are provided for guidance; we will not enforce them. Collect all parts in a single PDF document with clear subsections and the names of all team members and submit that file to Gradescope.

    +

    Individual Reflection & Peer Evaluations (20 pts)

    +
    +

    Contributions

    +

    We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of this project will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit.

    +
    +

    Your individual reflection should include:

    +
      +
    1. +

      Self Evaluation +Describe the work you have done in this project (e.g. code artifacts, documentation) as well as efforts towards helping your team towards completing this project (e.g. research, organizing meetings, running meetings).

      +
      2. +
    2. +

      Peer Evaluations +Describe the specific work each of your team members have contributed towards this project. Describe both tangible (e.g. code artifacts, report & slides making, documentation) and intangible (e.g. organizing & running meetings, communicating expectations) contributions. Do point out teammates that you think are exceptional to work with in this project as well.

      +
      3. +
    3. +

      Teamwork + You have been in the same team over the course of this semester (Projects 2-5). Look back on the entire semester and reflect on your team experiences. The following questions may guide you:

      +
        +
      • What has worked, what hasn’t?
        • +
      • If you could start 313 or another course over with the same team, what would you change?
        • +
      • What have you learned about teamwork and your role in teamwork?
        • +
      • (Optional) Do you have any feedback on what we can do next year to help students work more effectively in teams? Bear in mind that the instructor-assigned heterogeneous teams of 3-5 students is non-negotiable. We anticipate problems as part of the learning experience, but would like to avoid unduly frustrating situations.
        • +
      +
      4. +
    +

    A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support them. Submit your reflection on Gradescope.

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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/projects/P5/index.html b/_old/F23/projects/P5/index.html new file mode 100644 index 000000000..df85e9075 --- /dev/null +++ b/_old/F23/projects/P5/index.html @@ -0,0 +1,1156 @@ + + + + + + + + + + + + + + + + Project 5: Open Source Excursion - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Project 5: Open Source Excursion

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    Learning Goals

    +
      +
    • Holistically apply software engineering methods in the context of a real-world problem, including process, requirements, architecture, measurement, and quality assurance
      • +
    • Gain broad and deep exposure to the culture and practices of open-source communities
      • +
    • Understand commonly used infrastructure used in open-source, and how to choose infrastructure when starting a new open-source project
      • +
    • Engage with an open-source community
      • +
    • Identify process issues and suggest improvements in real-world projects, including communication, collaboration, tooling, quality assurance, formal and informal rules and policies
      • +
    • Coordinate within a team and adopt practices for efficient teams
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    • Understand a project’s architecture and design and make a decision about the feasibility of a proposed task
      • +
    • Divide and schedule work within a project
      • +
    • Discuss how agile practices affect development
      • +
    • Discuss business concerns and business models of software development
      • +
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    Project Description

    +

    Your high-level goal is to produce and submit a non-trivial modification or extension to an open-source project in a way that maximizes the chances that the project maintainers accept it.

    +

    If you demonstrate to us that your change has been accepted and integrated into the project’s code base, you will get 20 bonus points. Your team will select an open source project, select a change to implement, actually contribute to the project, and present your insights to the class. You will individually reflect on your teamwork and open source experience.

    +

    Deliverables and Deadlines

    +

    This will is your final project with your group. There are 3 deadlines for this project. The project is worth a total of 320 points (~18% of your final grade).

    +

    A) Project & Task Selection – 80 points – due Tuesday, November 21st, 11:59pm

    +
      +
    • Check-In Presentation (80 pts) - Held on Tuesday, November 21st
      • +
    +

    B) Project Final Report & Presentations – 220 points – due Wednesday, December 6th, 11:59pm

    +
      +
    • Project Report (120 pts)
      • +
    • Extra Credit (20 pts)
      • +
    • Project Presentation (100 points) - Held during exam timeslot on Thursday, December 7th, 8:30am - 11:30am
      • +
    +

    C) Individual Reflections – 20 points – due Thursday, December 7th, 11:59pm

    +
      +
    • Reflections & Peer Review (20 pts)
      • +
    +
    +

    Tip

    +

    This is a large assignment spanning from now until your final exam timeslot. We estimate that this project will take each student on the team on average 8-10 hours/week over the next 3 weeks, for a total of 30 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables.

    +

    To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team.

    +
    +
    +

    Contributions

    +

    We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of P5 will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit.

    +

    If severe teamwork issues arise please contact the course staff.

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    Homework

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    Coming soon!

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    Recitation 2: Crash Course in Angular.js

    +

    Overview

    +

    This recitation aims to highlight the basics of Angular.js by walking students through the implementation of a basic To-Do list app. Students will be expected to use this knowledge to make changes to the Angular.js components of the Teedy project in a future assignment.

    +

    Pre-requisites

    + +

    Task 0: Fork the repl

    +
      +
    • Create an account on repl.it
      • +
    • Fork this repl - you’ll be using this to work through this exercise and see your changes
      • +
    • When you run the app you should see something like the below screenshot. At this point, all the static HTML for the todo list has been set up. You’ll be working on making the todo list app function properly using Angular.js + Static Todo List
      • +
    +

    Task 1: Setup Angular.js

    +

    Goal: Convert the basic HTML skeleton in the repl to an Angular.js app

    +

    Steps:

    +
      +
    • Import the Angular.js library by adding the following script tag to the head component of index.html
      • +
    +
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>
+
    +
      +
    • Add the ng-app directive to the main <html> tag to specify the root of your app
      • +
    • This involves changing the <html> tag at the top of index.html to <html ng-app>
      • +
    +

    Task 2: Data Binding Basics

    +

    Goal: Display a dynamic title based on user input

    +

    Steps:

    +
      +
    • Use the ng-model directive to tie the value in the name text input field to a variable in the Angular.js app’s model.
      • +
    • Add ng-model="varName" to the name text input tag
      • +
    • Include {{varName}} in the Hello here's your todo liststring to bind the data in the model to the title in the view
      • +
    • Changing the value in the name text field should now change the title in real-time
      • +
    +

    Task 3: Setting up the controller

    +

    Goal: A boiler-plate controller called TodoListController has been set up in app.js. We want to connect our app with this controller so we can get more control over our todo list

    +

    Steps:

    +
      +
    • Import app.js by adding the following script tag to the head component of index.html
      • +
    +
    <script src="app.js"></script>
+
    +
      +
    • Change the ng-app directive to bind to todoApp
      • +
    • Change <html ng-app> at the top of index.html to <html ng-app="todoApp">
      • +
    • Add the ng-controller directive to bind the TodoListController
      • +
    • Change the opening <body> tag to <body ng-controller="TodoListController as todoList">
      • +
    • Now we can access the controller within the body tag using the todoList alias
      • +
    +

    Task 4: Rendering the list of todo items

    +

    Goal: There’s a list called todos in our controller that we’ll use to store our todo list items. We want to replace the static todo list item with the todo items in this list

    +

    Steps:

    +
      +
    • Use the ng-repeat directive to render items in the list
      • +
    • Change the <li> tag that renders a list item to <li ng-repeat="todo in todoList.todos">
      • +
    • Add the ng-model="todo.done" directive to the checkbox input tag so the checkbox reflects the value in the done field of a given todo list item
      • +
    • Replace the static todo list item text with {{todo.text}} to render the text associated with a given todo item in the list
      • +
    • Changing the data in the todos list in app.js should now change the contents of the todo list rendered
      • +
    +

    Task 5: Adding new todo items

    +

    Goal: Allow users to add new todos to the list using the form in the app

    +

    Steps:

    +
      +
    • Use the ng-model directive to tie the value in the new todo text input field to a variable in the angular.js app’s model
      • +
    • Add ng-model="todoList.todoText" to the add new todo here text input tag
      • +
    • Implement the todoList.addTodo function in app.js
      • +
    • Add a new todo item to the list using the data in todoList.todoText
      • +
    • Clear the text input field by setting todoList.todoText to the empty string
      • +
    • Add the ng-submit directive to the form to call this addTodo function on submit by changing the opening <form> tag to <form ng-submit="todoList.addTodo()">
      • +
    +

    Task 6: Special styling for completed todo items

    +

    Goal: We want to apply custom styling for completed todo items, so they appear crossed out

    +

    Steps:

    +
      +
    • A CSS class called done-true for completed todo items has been implemented in style.css. Make any changes you’d like to this CSS class
      • +
    • Apply this class to the todo text item
      • +
    • Change the <span> tag used to render {{todo.text}} to <span class="done-{{todo.done}}"> + Checking a given todo item should lead to the custom css class being applied to that item
      • +
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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/recitations/deployment-workshop/index.html b/_old/F23/recitations/deployment-workshop/index.html new file mode 100644 index 000000000..475305321 --- /dev/null +++ b/_old/F23/recitations/deployment-workshop/index.html @@ -0,0 +1,1239 @@ + + + + + + + + + + + + + + + + Cloud Deployment Workshop - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Cloud Deployment Workshop

    +

    Overview

    +

    Throughout this workshop, students will:

    +
      +
    • +

      Understand the fundamental steps involved in deployment

      +
      • +
    • +

      Learn about CI/CD and the basics of how to set it up in a Github repo

      +
      • +
    • +

      Get hands on experience deploying with cloud providers - Render.

      +
      • +
    • +

      Set up and get familiarized with the Extreme Startup web app for use in Thursday's (October 5th) recitation.

      +
      • +
    +

    Definitions

    +

    Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment.

    +

    Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality.

    +

    Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production.

    +

    Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime.

    +

    There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!

    +

    Task 0: Setting up your repository

    +

    For this workshop, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Thursday during the Extreme Startup game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game.

    +

    The steps to do this are as follows:

    +
      +
    1. +

      Fork this repo: https://github.com/CMU-17313Q/basic-web-app.

      +
      2. +
    2. +

      Follow the instructions in the readme to run and test the development server locally.

      +
      3. +
    3. +

      Once you have it running locally visit http://localhost:3000 and try different queries like "Who was Shakespeare?" and "What is your Andrew ID?"

      +
      4. +
    4. +

      Also visit http://localhost:3000/api?q=shakespeare - this is the API endpoint that our game server will use at next week's lecture.

      +
      5. +
    +

    Task 1: Continuous Deployment

    +

    To start off, you'll be deploying the app you just forked on one cloud platform - Render. The goal here is to make your app accessible over the internet. You'll also be setting up continuous deployment such that this deployment is updated with the latest version of the app, whenever you push code to the main branch of your repository.

    +
      +
    1. Create an account on Render
      2. +
    2. Create a new Web Service
      3. +
    3. Choose "Build and deploy from a Git repository"
      4. +
    4. Click on Configure account under GitHub, to give Render access to your GitHub repositories - this is necessary to setup continuous deployment.
      5. +
    5. Connect your basic-web-app fork to the Web Service you just created
      6. +
    6. Name your web server <andrewID>-313
      7. +
    7. Set the Runtime to "Node", Build Command to npm install; npm run build and Start Command to npm start
      8. +
    8. Select "Singapore (Southeast Asia)" as the region
      9. +
    9. Make sure that the "Free" Instance Type is selected, and click "Create Web Service"
      10. +
    10. When the build completes, click on the link of the form *.onrender.com at the top of the page to view the deployment.
      11. +
    +

    Task 2: Implement "What is your Andrew ID?"

    +

    To test that the continuous deployments are working as expected, and familiarize yourself with the basic web app codebase, let's implement support for the query "What is your Andrew ID?"

    +
      +
    1. Extend the QueryProcessor function to support this question in utils/QueryProcessor.tsx - this is where all the Query Processing logic exists
      2. +
    2. Verify that the implementation is correct by running the app locally and testing manually.
      3. +
    3. Write a test for the query you just implemented in __tests__/utils/QueryProcess.test.ts
      4. +
    4. Verify that the tests function correctly by running npm run test.
      5. +
    5. Commit and push your changes
      6. +
    6. Once pushed, verify that CD is functioning correctly by checking that a new deployment is triggered on Render dashboard.
      7. +
    7. Once the deployments are complete manually verify that both support the query you just implemented.
      8. +
    +

    Bonus Task: Continuous Integration

    +

    While the steps above are all that is required for the Extreme Startup game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo.

    +

    The process will be similar to above.

    +
      +
    1. +

      Create a new .github/workflows/test.yml

      +
      2. +
    2. +

      Copy the following into the files and fill in the blanks appropriately!

      +
      3. +
    +
    name: __BLANK 1__
+
+on:
+
+push:
+
+branches:
+
+- main
+
+jobs:
+
+__BLANK 2__:
+
+    runs-on: ubuntu-latest
+
+    name: __BLANK 3__
+
+    steps:
+
+    - uses: actions/checkout@v3
+
+    - uses: bahmutov/npm-install@v1
+
+    - run: npm run __BLANK 4__ (Run ESLint)
+
+    - run: __BLANK 5__ (Run Jest)
+
    +

    Hint: Look at the readme of the basic-web-app repo!

    +
    +

    Conditional CD

    +

    In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here!

    +
    +

    With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed on Render. Cool!

    +

    Remember to do Cloud Deployment Workshop Quiz on Gradescope!

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    Index

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    Coming soon!

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    Recitation 1: Using Git & Github for Collaborative Development

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    Overview

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    After this recitation, the students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the GitFlow workflow and how to collaborate with other developers in their projects.

    +

    Prerequisites

    + +

    You will be doing the activities as pairs, so be sure to find a partner! Unless specified, each step is to be done by both people.

    +

    Activity 1a: Forking a repo and adding a collaborator

    +
      +
    • Have either you or your partner fork this repository, then add the other person as a collaborator on GitHub. You can do so by clicking on Settings, then Collaborators
      • +
    • Under the General tab in Settings, check the "Issues" checkbox in the "Features" section to enable the issues pane for your repository + Github Permissions
      • +
    • Clone the repository onto your local machine
      • +
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    Activity 1b: Run a GitHub Action Workflow

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      +
    • On Github, click the Actions tab, enable the workflows and select the “Lint and Test” workflow
      • +
    • Click on the "Run workflow" dropdown, then the "Run workflow" button (leave Branch to be main). This runs the GitHub workflow that runs the linter and tests on the project
      • +
    +

    Our GH actions pipeline suggests that the main branch is broken! Let’s walk through the process to fix these errors.

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    +

    Merging to main

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    In practice, you should not merge a branch into the main branch that could cause main to fail. This way, we can ensure that all the code on main is our most recent working product

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    Activity 2: Setting up Kanban board and creating issues

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      +
    • Click through the build output and take a look at why eslint is failing. Take note of the names of each file - you should use these when naming your issues!
      • +
    • On GitHub, under the Project tab, have one person create a new project with the "Board" template. Make sure to set the project to public and invite your partner as a collaborator
      • +
    • Go back to the Project tab on the repository page and add the project board
      • +
    • Under the Issues tab, have the other person create an issue for for correctly translating each typescript file that fails the eslint workflow
      • +
    • Assign yourselves to both issues, one for each person
      • +
    • Add the two issues to the project Kanban board under the Todo column
      • +
    +

    Activity 3: Branching, committing, and pushing

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      +
    • In your local machine, create a new branch with a relevant name to the issue you are addressing (e.g. "fix-header-sizing-issue", "fix-multiple-dialog-bug", "add-sorting-feature")
      • +
    • Fix the issue that you were assigned to, then add and commit the changes
      • +
    • Commits should start with a verb, and what it does to the codebase (e.g. "Remove faulty condition from getCustomerDetails", "Fix failing CompositeTestCase", "Fix issue #21" )
      • +
    • Push the branch to remote
      • +
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    git push --set-upstream origin <your-branch-name>
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    Activity 4: Writing pull requests

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      +
    • On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch
      • +
    • Make sure it is to the main of your own forked repository! By default, Github selects the original repository instead of your own forked repository.
      • +
    • Name your pull request appropriately
      • +
    • In the description, describe what changes has been made to address the issue, and how has the changes been tested
      • +
    • Notice that the GitHub action workflow runs automatically when you create the pull request! You should check that the file you translated passes the eslint check and that the correctness tests still pass
      • +
    • Assign the issue you created to the pull request
      • +
    • Request your partner for a code review
      • +
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    Activity 5a: Doing code reviews and resolving merge conflicts

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    • Review your partner’s code (use the review change button). Approve changes if it looks good
      • +
    • Once your PR has been reviewed, merge your changes! Resolve any merge conflicts that arises accordingly
      • +
    • Return to the Kanban board. If everything was set up correctly, the issue should automatically move into the Done column
      • +
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    Activity 5b: Check GitHub actions

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    • Click on the Actions tab. If you have resolved all the issues correctly, the tests and linter should now pass, and a green check should show
      • +
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    Remember to do Recitation Quiz 1 on Gradescope! Please only open it after you have completed all the steps above.

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    Recitation 10: Open Source Projects

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    Overview

    +

    This recitation will give you the opportunity to familiarize yourself with various open source projects and help your team with finding a project to work on for Project 5.

    +

    Context

    +

    Open source software refers to software where the code is openly available, allowing contributors to freely run, modify, contribute, and redistribute the code. These projects provide a great learning experience of working with large codebases to beginner programmers, and give you the opportunity to contribute to software that’s used by a large number of community members.

    +

    The general criteria for an open source project: +- Repository must be public & open to outside contributors +- Repository must have an open source license

    +

    Scavenger Hunt (30 min)

    +

    Join the slide deck made by your TA for your class and make a copy of the slide for your team. Then, search for open source projects to fill each square in the Scavenger Hunt table. Each project can only count for one square. The goal is to have as many squares filled as possible!

    +

    While learning about different open source projects, think about what type of projects you would be interested in working on for Project 5.

    +

    Reflection (10 min)

    +

    With your team, discuss the following questions: +- Which attributes make a good open source project? A bad open source project? +- Which projects did you find that you would most like to work on? Which would you least like to work on? Why?

    +

    Pick 3 projects that you are interested in pursing for Project 5.

    +

    Public Project Selection

    +

    Once your team has decided on an open source project, add it to the Public Project Selection Spreadsheet.

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    Resources

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    Recitation 2: Team Contract Workshop

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    Overview

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    After this recitation, students will have met their teams and completed a rough draft of the teamwork contract they'll submit for Project 2. Students will meet their teams and discuss important aspects of team work such as setting expectations, managing communication, and distributing responsibility.

    +

    Prerequisites

    +
      +
    • None!
      • +
    +

    You will be doing the activities in your teams. Sit with them!

    +

    Activity 1: Get to know your team!

    +

    See team assignments. Do some quick intros, then get ready for..

    +

    Activity 1a: Similarities!

    +

    In your group, spend 5 minutes finding things that every group member has in common. If your team has n people, find n such similarities. Try to avoid simple things like: everyone is a CMU student, everyone is enrolled in 313, everyone loves 313, etc…

    +

    Activity 1b: Team Name

    +

    As part of Project 2, you’ll need to come up with a name for your team. Do so now!

    +

    As per the project handout, your name should be “unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children.”

    +

    Activity 2: Team Contract

    +

    In Project 2, we'll ask you to write up and submit a team contract, which will be a written record of how your team will work together.

    +

    In this activity, we'll create a rough outline of the team contract and start the discussions around important team building and teamwork topics.

    +

    First, determine where you'll write your contract and how you'll keep track of the talking points you discuss today. We suggest creating a shared Google Drive folder and doc for easy access and editing.

    +

    Next, you'll work through each of the following sections with your team and as a class. Think about your prior experience working in other teams (work, school, sports, etc) and try to anticipate what might come up over the course of the semester.

    +

    After each section, we'll discuss as a class and see what you came up with!

    +

    Activity 2a: Expectations

    +

    Here are some of the important questions to consider regarding setting expectations:

    +
      +
    • How much time is each team member expected to be putting into working on projects?
      • +
    • How will you deal with unforeseen circumstances affecting team members (sickness, interviews, competitions)?
      • +
    +

    Activity 2b: Communication and Scheduling

    +

    Here are some important questions to consider regarding team communication:

    +
      +
    • When will your team meet? Setting aside a day and time to have recurring meetings is an important marker of team success.
      • +
    • What platform (s) will your team be using to communicate? How quickly should team members respond?
      • +
    • Will you meet in person or through Zoom? What will / will you not accommodate?
      • +
    • If a deadline is approaching and there is still work to be done, how will you meet / communicate?
      • +
    +

    Activity 2c: Responsibilities and Conflict Resolution

    +

    Here are some important questions to consider regarding distributing responsibilities and what your team might do in the case of any conflict:

    +
      +
    • How will you divide responsibilities and tasks between team members?
      • +
    • Who will be in charge of organizing, running, and taking notes during meetings ? How will you rotate this responsibility?
      • +
    • How will you address any teamwork issues that may come up?
      • +
    • What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors?
      • +
    +

    Remember to do Recitation Quiz 2 on Gradescope! Please only open it after you have completed all the steps above.

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    Recitation 3: Software Archaeology

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    Overview

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    In today’s recitation, we will practice getting to know an unknown codebase specifically in the context of a bug in a python-clone of Instagram, Albumy.

    +

    Let's fix some bugs!

    +

    Check out this issue of the bug. Currently, comments can’t be deleted. Even if we click on the delete button, it does not work.

    +

    Task 0: Clone the repo

    +
      +
    • Fork this repository and clone it. Follow the README to install the necessary modules and run Albumy.
      • +
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    Task 1: Reproduce the bug

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      +
    • After you've successfully ran the program, go through it to reproduce the bug.
      • +
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    Task 2: Diving into the code and fixing the bug

    +

    Let’s learn more about this bug! Your high-level goal is to identify the code producing the bug and remember more about the bug en route to fix it. We’d like you to dive into the codebase and “excavate” the buggy code.

    +

    Try some or all of the following tasks:

    +
      +
    • Explore the albumy directory
      • +
    • Can you find functions that look like the same buggy code you’ve found?
      • +
    • Use your IDE to jump to a definition implicated in the code you’re debugging
      • +
    • Try making a change! It will reflect in the UI. Can you fix the bug?
      • +
    +

    Task 3: Making a Pull Request

    +

    If you’ve finished all that,

    +
      +
    • Add and commit your changes
      • +
    • Push the code to your forked repository.
      • +
    • Create a pull request that links the issue.
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    Recitation 4: Team Dysfunction

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    Overview

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    This recitation will give you the opportunity to practice and reflect on the roles you play within a team. We'll be going over common team dysfunction issues and discuss mitigation strategies.

    +

    Context

    +

    All teams are inherently dysfunctional in some sense. This is inevitable as they are made up of fallible, imperfect human beings, each with different goals and intentions. Thankfully, the causes of dysfunction are both identifiable and curable, but definitely not easy to resolve. Making a team functional and cohesive requires courage, good communication, and a strong resolve to making the team better.

    +

    Part 0: Preparation

    +

    We have pre-assigned each team to a set of roles. Have each member of the team choose a role from the options we give you.

    +

    Keep your role secret from the other groups! We will have the audience guess your roles when your team presents to the class.

    +

    Part 1: Task Planning Meeting Rehearsal (5 min)

    +

    Congratulations! Your team has been hired as software developers to work on CMU's graduate school application system. +We have assigned each team to a specifc task. Each group's tasks are below. You only have to roleplay your assigned task.

    +

    As a team, research and find tools that can be used to improve your assigned system. Compare the strengths and weaknesses of the tools. At the end of this activity, your group should have agreed on a tool to use.

    +

    Be sure to also assign each member a task in order to integrate the tool into your assigned system.

    +

    Team 1

    +

    For your first assignment, you've been asked to develop a better system for handling online payments made by graduate students for their applications.

    +

    Team 2

    +

    For your first assignment, you've been asked to develop a better system for sending acceptances to accepted students.

    +

    Team 3

    +

    For your first assignment, you've been asked to develop a better system for students to log in to their application portal.

    +

    Team 4

    +

    For your first assignment, you've been asked to develop a better system for students to upload documents to their application.

    +

    Activity Notes: Each member should act as their role during the meeting. Try to fix the dysfunction presented in this meeting and reflect on how you would fix similar issues if they come up in Project 2.

    +

    Part 2: Presentations! (15 min)

    +

    Each group will present their meeting to the class (~2 minutes per presentation). The audience will then guess the roles of each of the members of the presenting group. Best group will win a prize!

    +

    Part 3: Class Discussion (15 min)

    +

    As a class, discuss the following questions:

    +
      +
    1. Were you able to identify the roles played by the other groups? What problems were caused by their behavior?
      2. +
    2. How would you handle these dysfunctional characteristics in future situations?
      3. +
    3. Can you think of mitigation strategies and solutions to avoid these problems?
      4. +
    +

    Appendix A: Role Descriptions

    +

    Below a description of the roles for each number 1-7 and the behavior of each one:

    +
      +
    1. +

      The Contributor: You are aiming for general team success. Ask for your team members' opinions often, actively discuss solutions with your team, and demonstrate engagement throughout the activity.

      +
      2. +
    2. +

      The Know-It-All: You think you are extremely experienced and know how to solve all problems on your own. Act like you don't need any help and just tell your team to watch while you search for the tool. Be pushy in telling other members how to search for information about the tool and shoot other members' ideas down.

      +
      3. +
    3. +

      The Silent One: You assume your team members know everything and don’t feel you need to say much. Pay attention to the meeting, but simply do not suggest anything. Remain passive but friendly.

      +
      4. +
    4. +

      The Agreer: You are afraid of raising conflicts and hence decided to just go along with whatever your team decides. Agree with everything during the activity and do not question the decisions of your team.

      +
      5. +
    5. +

      The Hitchhiker: Your goal is to do as little work as possible. Be friendly but not productive. Try to end the meeting as quickly as possible so you can slack off. Get other people to step in for you and take over your tasks. Make fake attempts to make it look like you tried to figure out the task, then pass off the work to someone else.

      +
      6. +
    6. +

      The Flaker: You're interested in the project, but don't want to contribute more time than necessary. Actively contribute to group discussions until tasks are being assigned, then begin giving reasons why you can't contribute more (i.e. busy with interview prep, midterm, or other assignments). If asked to do something else, continue finding other excuses on why you can’t contribute.

      +
      7. +
    7. +

      The Perfectionist: You want this project to be absolutely perfect in even the most minor details. To you, it's most important that the tool’s source code is fully readable, perfectly documented, has a large test suite, and is aesthetically pleasing, and you will argue for or against the tool based on these minor details.

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    Recitation 5: Midterm Review

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    Overview

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    As we have our midterm scheduled for Tuesday, October 3rd, this recitation slot will be used for a midterm review. Complete the exams from past years listed below and come to recitation with any questions!

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    Note: As we have not yet covered software engineering for ML this semester, please ignore those questions. The SE4ML material will not appear on the exam.

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    Exams

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    Recitation 6: Deployment

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    Overview

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    Throughout this recitation, students will:

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    • +

      Understand the fundamental steps involved in deployment

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      Learn about CI/CD and the basics of how to set it up in a Github repo

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      Get hands on experience deploying with Fly.io (or Vercel as a backup)

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      Set up the Extreme Startup web app for use in Tuesday's (3/14) lecture

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    Definitions

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    Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment.

    +

    Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality.

    +

    Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production.

    +

    Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime.

    +

    There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!

    +

    Task 0: Prep

    +

    For this recitation, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Tuesday during the ~Extreme Startup~ game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game.

    +

    The steps to do this are as follows:

    +
    +

    Warning

    +

    Do not use codespaces for this task, and the rest of the recitation. Everything must be done locally.

    +
    +
      +
    1. +

      Fork this repo: https://github.com/CMU-313/basic-web-app.

      +
      2. +
    2. +

      Follow the instructions in the readme to run the development server locally.

      +
      3. +
    3. +

      Install the Fly.io CLI and set up the Fly.io account that you'll use to host your app. Complete steps 1-3 of the instructions here.

      +
      4. +
    4. +

      In your local basic-web-app repo, run fly launch followed by fly open

      +
      5. +
    +

    Now check your fly.io dashboard to monitor your app deployment.

    +

    This has already been a lot of instructions, so good job for getting this far!!!

    +

    Note: Fly.io offers a free tier and you should not be required to enter any credit card info for the purposes of this recitation. If you get a message saying that a credit card is required, you can complete the recitation using Vercel instead. See the backup instructions below.

    +

    Task 1: Continuous Deployment

    +

    Next, we'll setup CD. Our goal is to set up a GitHub action that links to our Fly.io account and automatically redeploys a new version of our app whenever a new change is pushed into the main branch.

    +

    The steps to do this are as follows:

    +
      +
    1. +

      Get a Fly API token with flyctl auth token.

      +
      2. +
    2. +

      Go to your fork on GitHub and click Settings.

      +
      3. +
    3. +

      Go to Secrets and Variables > Actions and create a repository secret called FLY_API_TOKEN with the value of the token from the previous step. This is how GitHub will link to your Fly.io account.

      +
      4. +
    4. +

      Double check that fly.toml (the config file fly.io uses for deployment) is not listed in your .gitignore.

      +
      5. +
    5. +

      Create a new file .github/workflows/fly.yml.This is the file that will outline instructions for the GitHub action.

      +
      6. +
    6. +

      Fill the file with the contents listed under step 8 here.

      +
      7. +
    7. +

      Commit and push your changes!

      +
      8. +
    +

    Now let's take a step back and understand what we've done. First, we generated an authorization token and used it to connect Fly.io to our GitHub repo. Then, we created a fly.yml file setting up a GitHub action that automatically runs the deployment commands whenever a push is made to the main branch. See if you can figure out which lines do what in the code above!

    +

    Now, look through the codebase and try to change the header on your app's frontend while testing with the local development server. Once you have made your changes, commit and push them. Back on GitHub, you should see the Action trigger and your app will redeploy!

    +

    With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed. Cool!

    +

    Bonus Task: Continuous Integration

    +

    While the steps above are all that is required for the ~Extreme Startup~ game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo.

    +

    The process will be similar to above.

    +
      +
    1. +

      Create a new .github/workflows/test.yml

      +
      2. +
    2. +

      Copy the following into the files and fill in the blanks appropriately!

      +
      3. +
    +
    name: __BLANK 1__
+
+on:
+
+push:
+
+branches:
+
+- main
+
+jobs:
+
+__BLANK 2__:
+
+runs-on: ubuntu-latest
+
+name: __BLANK 3__
+
+steps:
+
+- uses: actions/checkout@v3
+
+- uses: bahmutov/npm-install@v1
+
+- run: npm run __BLANK 4__ (Run ESLint)
+
+- run: __BLANK 5__ (Run Jest)
+
    +

    Hint: Look at the readme of the basic-web-app repo!

    +

    Note: In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here!

    +

    Once this is complete, you will be ready for the game tomorrow. Good job and good luck!

    +

    Remember to do Recitation 6 Quiz on Gradescope!

    +

    Vercel Backup Instructions

    +

    Task 0

    +

    See the instructions here to setup a Vercel deployment.

    +

    Task 1

    +

    To learn how to setup a deployment GitHub action for Vercel, see here.

    +

    Task 2

    +

    Same as above!

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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/recitations/reci7-docker/index.html b/_old/F23/recitations/reci7-docker/index.html new file mode 100644 index 000000000..284d03a14 --- /dev/null +++ b/_old/F23/recitations/reci7-docker/index.html @@ -0,0 +1,1180 @@ + + + + + + + + + + + + + + + + Recitation 7: Microservices and Docker - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Recitation 7: Microservices and Docker

    +

    Prerequisites

    +

    You should have downloaded Docker. If you haven't follow the installation instructions here

    +

    Setup Instructions (10 min):

    +

    Fork this repo and clone it.

    +

    Overview

    +

    During this recitation, students will create a simple FastAPI app, containerize it and deploy it.

    +

    Context

    +

    Whos-my-ta is a microservice that provides information about recitation sections. By using the section_id endpoint, you can enter the section id (for example: a) to get the names of the TAs that are in charge of that section.

    +

    Try it out using this link: https://whos-my-ta.fly.dev/section_id/a

    +

    Sadly, you still are unsure when your recitation time is.

    +

    All you have to do is build a new service that builds on top of this microservice by including the time of the recitation as well. You will do this by implementing the section_info endpoint.

    +

    The endpoint has to return a JSON object in the following form:

    +
    {
+  "section": "section_name",
+  "start_time": "HH:MM",
+  "end_time": "HH:MM",
+  "ta": ["taName1", "taName2"]
+}
+
    +

    Activity

    +
      +
    1. Implement the section_info endpoint according to the specifications. You can edit app/main.py to do so.
      2. +
    2. Test it by running the app locally. + To install necessary files:
      3. +
    +
    pip install -r requirements.txt
+
    +
      +
    1. To run the app locally use the following command. Change the port number if you need to:
      2. +
    +
    uvicorn app.main:app --host 0.0.0.0 --port 8080
+
    +
      +
    1. Implement ./Dockerfile. You can use the slides and this link as resources.
      2. +
    2. Create the docker image using the command below, and check that the image has been created.
      3. +
    +
    docker build -t YOUR_IMAGE_NAME  .
+
    +
      +
    1. Implement ./docker-compose.yml. You can use the slides for reference.
      2. +
    2. Create a container using the docker image using the command below.
      3. +
    +
    docker-compose up -d
+
    +
      +
    1. Check that your container is running correctly by locally invoking the endpoint. + You can try http://localhost:8080/section_id/a. + Change the port number (8080) according to your docker-compose.yml.
      2. +
    +

    Bonus

    +

    Try deploying your container using instructions from here.

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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/recitations/reci8-team-feedback/index.html b/_old/F23/recitations/reci8-team-feedback/index.html new file mode 100644 index 000000000..d51a8b455 --- /dev/null +++ b/_old/F23/recitations/reci8-team-feedback/index.html @@ -0,0 +1,1085 @@ + + + + + + + + + + + + + + + + Recitation 8 - Team Feedback - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Recitation 8: Team Feedback

    +

    Review the feedback provided by your teammates, and work with your team to identify and address issues on your team.

    +

    Do so by following the instructions on the handout provided during recitation. You can also access the handout here.

    +
    +Turn in your action plan +

    Make sure to submit your completed action plan on gradescope to receive participation credit for this recitation.

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    Recitation 9: Action Plan

    +

    Overview

    +

    This recitation will give you the opportunity to get feedback from your teammates, as well as work together to create an action plan for your future.

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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/recitations/reci9-ml/index.html b/_old/F23/recitations/reci9-ml/index.html new file mode 100644 index 000000000..14867f180 --- /dev/null +++ b/_old/F23/recitations/reci9-ml/index.html @@ -0,0 +1,1170 @@ + + + + + + + + + + + + + + + + Recitation 9 - Machine Learning - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Recitation 9: Machine Learning

    +

    Setup Instructions:

    +
      +
    1. Go to this repo and clone it
      2. +
    2. Make sure you can run the jupyter notebooks
        +
      1. Google Colab is one option to do this (NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook)
          +
        1. Make sure to connect to google drive and upload the titanic data set folder, double check the file paths in the notebook to make sure they match
          2. +
        +
        2. +
      2. You can also run it locally if you have jupyter setup
        3. +
      +
      3. +
    +

    Overview

    +

    During this recitation, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!

    +

    Context

    +

    You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency.

    +

    Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right?

    +

    We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You’ll be working with the starter code in model_testing.ipynb.

    +

    Activity 1: Examine the Titanic Dataset (10 mins)

    +
      +
    1. The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook.
      2. +
    2. Then choose one feature and plot its distribution.
      3. +
    3. Is the distribution what you expected it to be? Was there anything surprising about it?
      4. +
    +

    Activity 2: Import and Analyze Models (5 min)

    +

    We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.

    +

    Activity 3: Fairness Metrics Evaluation (15 mins)

    +

    An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. +1. Fill in the notebook to compute the demographic parity metric +2. Fill in the notebook to compute the equal opportunity metric +3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.

    +

    Activity 4: Recommendation (10 mins)

    +

    Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company?

    +

    Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.

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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/search/search_index.json b/_old/F23/search/search_index.json new file mode 100644 index 000000000..aa4010115 --- /dev/null +++ b/_old/F23/search/search_index.json @@ -0,0 +1 @@ +{"config":{"indexing":"full","lang":["en"],"min_search_length":3,"prebuild_index":false,"separator":"[\\s\\-]+"},"docs":[{"location":"","text":"17-313 Foundations of Software Engineering \u00b6 This Week \u00b6 Lectures & Readings Intro calendar_month Sun Aug 20 slideshow Slides Metrics and Measurements calendar_month Tue Aug 22 slideshow Slides link Team Formation Survey Recitation Recitation 1 - GitHub and TS slideshow Slides description Handout Office Hours Held on the ARC. See class calendar below for exact times! 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Previous Course Iterations \u00b6 Qatar \u00b6 Fall 2022 Pittsburgh \u00b6 Fall 2020 | Fall 2021 | Fall 2022 | Spring 2023","title":"Course Overview"},{"location":"overview/#questions","text":"When is a program good enough to ship? Have you built what the customer wanted? Why (and how) does Netflix deliberately and randomly take down its own servers? What can we learn from the Boeing 737 disaster? How did Twitter eradicate the Fail Whale? And what does it have to do with Ruby? How do you get a patch accepted into an open-source project? You can write code. Can you build software?","title":"Questions"},{"location":"overview/#overview","text":"Successful software projects require more than just technical expertise. Figuring out what the client wants, collaborating in a team, managing complexity, mitigating risks, staying on time and budget, and determining under various constraints when a product is good enough to be shipped are at least equally important topics that often have a significant human component. 17-313 explores these issues while broadly covering the fundamentals of modern software engineering. Assuming reasonably solid programming skills (including unit testing and code-level design), we will explore the following topics: Process consideration for software development (How do avoid problems early? When and how much to design? When and how much to test? When and how to involve the customers? Agile methods...) Requirements elicitation, documentation, and evaluation (How to figure out what the customer really wants? Who else has an interest? How can we measure success objectively? How can we reliably document expectations? ...) Design for quality attributes (How can we design a system to be able to scale to millions of users? How can we design security into a system? ...) Strategies for quality assurance, including measurement, inspection, and static and dynamic analysis (What quality assurance strategy is best for a given system? What can we automate and when should we keep humans in the loop? How much testing and what kind of testing should we do? What qualities are important to assure beyond functional correctness? Can we evaluate usability, scalability, reliability, performance? How can we statically guarantee the absence of certain security issues? ...) Empirical methods in software engineering (How can we measure quality attributes such as performance, security, and reliability? How can we measure how users interact with the system? How can we know whether the difference matters? ...) Time and team management (How to estimate the duration and costs of a project? How to monitor progress and risks to recognize issues early? How to coordinate developers in a team? How to form and develop teams? How to select and motivate team members? How to deal with team dynamics such as social loafing? ...) Economics of software development (Business models, outsourcing, open source, ...) This course has a strong technical focus, and includes assignments with and without programming. Many assignments will also have written components. Students will get experience with team management and modern software-engineering tools. The course puts students on a fast track toward project management positions. Assignments (mostly done in groups) include: An introduction assignment where individual students will learn to engage with an existing code base. A requirements assignment in which each team will interview stakeholders to elicit and document requirements for a software system. An architecture assignment in which teams will train and deploy an ML model using microservices. A project in which each team contributes to an open source project of their choice. This involves identifying an issue in the existing project, understanding the development process of that project and how to contribute, and actually making a contribution such as fixing a bug or adding a feature. Extra credit will be awarded if the contribution is merged into the project.","title":"Overview"},{"location":"overview/#previous-course-iterations","text":"","title":"Previous Course Iterations"},{"location":"overview/#qatar","text":"Fall 2022","title":"Qatar"},{"location":"overview/#pittsburgh","text":"Fall 2020 | Fall 2021 | Fall 2022 | Spring 2023","title":"Pittsburgh"},{"location":"syllabus/","text":"Course Syllabus and Policies \u00b6 The course is currently planned to be entirely in person for lectures and recitations. Most office hours will be in person, but some may be held over Zoom as well. The course uses Gradescope for homework submission, grading, discussions, questions, and supplementary documents; slides and handouts are posted here on the course website; GitHub is used to coordinate group work. We also use Slack for communication and group work: check your email during the first week of classes for the Slack sign up link. Prerequisites \u00b6 There are no formal prerequisites, but we strongly recommend having a solid foundation in programming before taking this class (e.g. 15-121, 15-122). You will also get more out of the course if you have experience with some larger development projects, for example, through larger class projects (e.g. 17-214, 15-410), internships, or open-source contributions. If you have questions, please don't hesitate to reach out to the class instructors. Communication \u00b6 The primary form of communication within this course is through Slack. We will make announcements through a dedicated channel in Slack, and also provide channels for homework clarifications and team-based communication. As such, we highly recommend that students install Slack on their phones / desktop with notifications enabled. The instructor, TA, and CAs will also hold weekly office hours to provide support with course materials and projects. You can find the office hours schedule updated weekly here on the course website. You can contact the course staff via both Slack and email. Teamwork \u00b6 Teamwork is an essential part of this course. Most projects are done in teams of 3-5 students. Teams will be assigned by the instructors and stay together for multiple projects. Most projects have a component that is graded for the entire group and a component that is graded individually. Being able to address team issues in software projects is one of the core learning objectives of this class. Guidance on teamwork, reflection, and conflict resolution will be provided throughout the semester and are an essential component of the class. We expect significant efforts in attempting to address the team issues before asking instructors and teaching/course assistants to step in. However, we will always be available to provide advice on how to navigate these issues. Textbook \u00b6 Various readings throughout the semester are available online or through the library; we do not have a single textbook but rather assemble readings from different sources. As optional supplementary reading consider the (freely available) Software Engineering at Google, Lessons Learned from Programming Over Time . Assessment \u00b6 Evaluation will be based on the following distribution: 60% projects, 20% midterm, 20% participation (including lecture exercises, pre-lecture reading quizzes, and recitation exercises). Project Points Breakdown Project # Days Given Points % of total grade 1 10 100 5.77% 2 36 320 18.46% 3 10 120 6.92% 4 19 180 10.38% 5 27 320 18.46% TOTAL 1040 60.00% Regrades \u00b6 Regrade requests can be submitted via Gradescope. The regrade period is open for one week after grades have been released for a particular assignment. Late Work Policy \u00b6 Participation \u00b6 Participation points in this class are earned through a series of pre-lecture reading assignments, lecture activities, and recitations. To accommodate for life's uncertainties (e.g. health issues, scheduling conflicts), at the end of the semester, we will drop the lowest 10% of scores to calculate your participation grade. In other words, acquiring 90% of the available points will give you 100% in this category . The amount of points available varies from semester to semester; generally, 10% would be equivalent to 3-4 lectures or recitations. There will be no make-ups for participation points, but you are strongly encouraged to come to office hours to learn or review the materials that you may have missed. If you find yourself in a situation that calls for an extended absence, please have your academic advisor reach out to the instructors, and they will work to find a solution on a case by case basis. Projects \u00b6 Late work will receive feedback but no credit. Due to heavy emphasis on planning & teamwork in this course there are no late days; we expect that you anticipate unexpected events in your planning , and coordinate with your teammates when they arise. Exceptions to this policy will be made only in extraordinary circumstances, almost always involving a family or medical emergency, with your academic advisor or the Dean of Student Affairs requesting the exception on your behalf. Time Management \u00b6 This is a 12-unit course, and it is our intention to manage it so that you spend close to 12 hours a week on the course, on average. In general, 4 hours/week will be spent in lectures & recitation and 8 hours on readings and projects. Notice that most projects are done in groups, so please account for the overhead and decreased time flexibility that comes with group work. Throughout the semester, please feel free to give the course staff feedback on how much time the course is taking for you. Professionalism \u00b6 Your classmates are your colleagues. This is particularly true in this course, where we aim to provide you with principles, practices, tools, and paradigms that will enable you to be an effective, real-world Software Engineer. We ask that you treat one another like the professionals you are and that you are preparing to be. To that end, we will not tolerate harassment in this class. We define harassment as unwelcome or hostile behavior of an ad hominem nature, i.e., that focuses not on ideas but on people and identity. This includes offensive verbal or written comments in reference to gender, sexual orientation, disability, physical appearance, race, or religion; sexual images in public spaces; deliberate intimidation, stalking, following, harassing photography or recording, sustained disruption of class meetings, inappropriate physical contact, and unwelcome sexual attention. Harassment is against the law and we have no tolerance for it, and neither does the university. Even when behavior does not rise to the level of harassment (even if you think you're \"just joking!\"), it can still make people very uncomfortable, and harm their educational and professional career by forcing them to devote mental energy to something other than the material they are trying to learn or the professional successes they are trying to achieve. However, we expect that we do not need to threaten you to earn your respect on this matter: we simply ask that you treat one another like professionals, in the most positive sense. This has two implications: If you feel someone is violating these principles (for example, with a joke that could be interpreted as sexist, racist, or exclusionary), and you feel you have the standing to do so, speak up! Do not be a bystander to unprofessional behavior. If you do not feel comfortable doing so, and/or if the behavior persists, send a private email to the course instructors or set up a meeting with us to discuss the matter. We will preserve your anonymity. We, the course staff, are committed to affording you the same respect we ask you to afford one another. If you feel that we are not doing so, we hope you will feel comfortable either telling us so directly, or approaching another one of the course staff with your concerns. (Thank you to Shriram Krishnamurthi and Evan Peck for sharing their own policies, from which we drew inspiration for this one.) Academic Honesty and Collaboration \u00b6 The usual policies apply, especially the University Policy on Academic Integrity. Many of the projects will be done in groups. We expect that group members collaborate with one another, but that groups work independently from one another, not exchanging results with other groups. Within groups, we expect that you are honest about your contribution to the group's work. This implies not taking credit for others' work and not covering for team members that have not contributed to the team. Otherwise, our expectations regarding academic honesty and collaboration for group work are the same as for individual work, substituting elevated to the level of \"group.\" The course includes both individual projects and individual components of group projects . Although your solutions for individual parts will be based on the content produced for the group component (e.g. written reflections on lessons learned), we treat individual components of group projects as equivalent to individual projects overall, and expect you to complete such components independently of your groupmates. The rest of this academic honesty and collaboration content is taken from the policy used in 17-214, which we reuse almost directly (with minor modifications, and attribution). \"You may not copy any part of a solution to a problem that was written by another student, or was developed together with another student, or was copied from another unauthorized source such as the Internet. You may not look at another student's solution, even if you have completed your own, nor may you knowingly give your solution to another student or leave your solution where another student can see it. Here are some examples of behavior that are inappropriate: Copying or retyping, or referring to, files or parts of files (such as source code, written text, or unit tests) from another person or source (whether in final or draft form, regardless of the permissions set on the associated files) while producing your own. This is true even if your version includes minor modifications such as style or variable name changes or minor logic modifications. Getting help that you do not fully understand, and from someone whom you do not acknowledge on your solution. Writing, using, or submitting a program that attempts to alter or erase grading information or otherwise compromise security of course resources. Lying to course staff. Giving copies of work to others, or allowing someone else to copy or refer to your code or written assignment to produce their own, either in draft or final form. This includes making your work publicly available in a way that other students (current or future) can access your solutions, even if others' access is accidental or incidental to your goals. Beware the privacy settings on your open source accounts! Coaching others step-by-step without them understanding your help. If any of your work contains any statement that was not written by you, you must put it in quotes and cite the source. If you are paraphrasing an idea you read elsewhere, you must acknowledge the source. Using existing material without proper citation is plagiarism, a form of cheating. If there is any question about whether the material is permitted, you must get permission in advance. We will be using automated systems to detect software plagiarism. It is not considered cheating to clarify vague points in the assignments, lectures, lecture notes; to give help or receive help in using the computer systems, compilers, debuggers, profilers, or other facilities; or to discuss ideas at a very high level, without referring to or producing code. Any violation of this policy is cheating. The minimum penalty for cheating (including plagiarism) will be a zero grade for the whole assignment. Cheating incidents will also be reported through University channels, with possible additional disciplinary action (see the above-linked University Policy on Academic Integrity). If you have any question about how this policy applies in a particular situation, ask the instructors or TAs for clarification.\" Note that the instructors respect honesty in these (and indeed most!) situations. Accommodations \u00b6 Carnegie Mellon University is committed to providing reasonable accommodations for all persons with disabilities. To access accommodation services you are expected to initiate the request and submit a Voluntary Disclosure of Disability Form to the office of Health & Wellness or CaPS-Q. In order to receive services/accommodations, verification of a disability is required as recommended in writing by a doctor, licensed psychologist or psycho-educational specialist. The office of Health & Wellness, CaPS-Q and Office of Disability Resources in Pittsburgh will review the information you provide. All information will be considered confidential and only released to appropriate persons on a need to know basis. Once the accommodations have been approved, you will be issued a Summary of Accommodations Memorandum documenting the disability and describing the accommodation. You are responsible for providing the Memorandum to your professors at the beginning of each semester. For more information on policies and procedures, please visit Assistance for Individuals with Disabilities on Scotty . Policy on Healthcare-Related Absence \u00b6 We don't record our lectures, because they are highly interactive and tricky to record, but we do post slides at the end of the day. Please go over them and come to any of the instructors' office hours to discuss the material. A Note on Self Care \u00b6 We all feel stress at different times and for different reasons, and when we do, it is good to reach out for support. Do your best to maintain a healthy lifestyle by eating well, exercising, getting enough sleep and taking some time to relax. Please know that you are not alone. There are many helpful resources available on campus and an important part of the college experience is learning how to ask for help. Asking for support sooner, rather than later, can often help your situation from getting more complicated. If you or any of your CMUQ peers are experiencing academic stress, difficult life events, or feelings like anxiety or depression, we strongly encourage you to seek support. Our Student Affairs staff are here to help: Dr. Dalia Rehal, Associate Dean for Student Affairs (CMB 1094), mailto:drehal@qatar.cmu.edu , 4454-8545 Amie Rollins, Office of Health and Wellness (CMB 1103), amier@andrew.cmu.edu , 4454-8680 Dr. Atorina Benjamin, Counseling and Psychological Services (CMB 1104), atorinab@qatar.cmu.edu , 4454-8525 You can also visit the Ilona Wyers Student Lounge and connect with anyone on the Student Affairs Team. Consider also reaching out to a friend, faculty, staff, or family member you trust for help. If you would like to speak to a trained professional for mental health support, day or night, call our ProtoCall hotline at 5554 7913, which is staffed by trained mental health care providers. If the situation is life threatening, call 999.","title":"Syllabus"},{"location":"syllabus/#course-syllabus-and-policies","text":"The course is currently planned to be entirely in person for lectures and recitations. Most office hours will be in person, but some may be held over Zoom as well. The course uses Gradescope for homework submission, grading, discussions, questions, and supplementary documents; slides and handouts are posted here on the course website; GitHub is used to coordinate group work. We also use Slack for communication and group work: check your email during the first week of classes for the Slack sign up link.","title":"Course Syllabus and Policies"},{"location":"syllabus/#prerequisites","text":"There are no formal prerequisites, but we strongly recommend having a solid foundation in programming before taking this class (e.g. 15-121, 15-122). You will also get more out of the course if you have experience with some larger development projects, for example, through larger class projects (e.g. 17-214, 15-410), internships, or open-source contributions. If you have questions, please don't hesitate to reach out to the class instructors.","title":"Prerequisites"},{"location":"syllabus/#communication","text":"The primary form of communication within this course is through Slack. We will make announcements through a dedicated channel in Slack, and also provide channels for homework clarifications and team-based communication. As such, we highly recommend that students install Slack on their phones / desktop with notifications enabled. The instructor, TA, and CAs will also hold weekly office hours to provide support with course materials and projects. You can find the office hours schedule updated weekly here on the course website. You can contact the course staff via both Slack and email.","title":"Communication"},{"location":"syllabus/#teamwork","text":"Teamwork is an essential part of this course. Most projects are done in teams of 3-5 students. Teams will be assigned by the instructors and stay together for multiple projects. Most projects have a component that is graded for the entire group and a component that is graded individually. Being able to address team issues in software projects is one of the core learning objectives of this class. Guidance on teamwork, reflection, and conflict resolution will be provided throughout the semester and are an essential component of the class. We expect significant efforts in attempting to address the team issues before asking instructors and teaching/course assistants to step in. However, we will always be available to provide advice on how to navigate these issues.","title":"Teamwork"},{"location":"syllabus/#textbook","text":"Various readings throughout the semester are available online or through the library; we do not have a single textbook but rather assemble readings from different sources. As optional supplementary reading consider the (freely available) Software Engineering at Google, Lessons Learned from Programming Over Time .","title":"Textbook"},{"location":"syllabus/#assessment","text":"Evaluation will be based on the following distribution: 60% projects, 20% midterm, 20% participation (including lecture exercises, pre-lecture reading quizzes, and recitation exercises). Project Points Breakdown Project # Days Given Points % of total grade 1 10 100 5.77% 2 36 320 18.46% 3 10 120 6.92% 4 19 180 10.38% 5 27 320 18.46% TOTAL 1040 60.00%","title":"Assessment"},{"location":"syllabus/#regrades","text":"Regrade requests can be submitted via Gradescope. The regrade period is open for one week after grades have been released for a particular assignment.","title":"Regrades"},{"location":"syllabus/#late-work-policy","text":"","title":"Late Work Policy"},{"location":"syllabus/#participation","text":"Participation points in this class are earned through a series of pre-lecture reading assignments, lecture activities, and recitations. To accommodate for life's uncertainties (e.g. health issues, scheduling conflicts), at the end of the semester, we will drop the lowest 10% of scores to calculate your participation grade. In other words, acquiring 90% of the available points will give you 100% in this category . The amount of points available varies from semester to semester; generally, 10% would be equivalent to 3-4 lectures or recitations. There will be no make-ups for participation points, but you are strongly encouraged to come to office hours to learn or review the materials that you may have missed. If you find yourself in a situation that calls for an extended absence, please have your academic advisor reach out to the instructors, and they will work to find a solution on a case by case basis.","title":"Participation"},{"location":"syllabus/#projects","text":"Late work will receive feedback but no credit. Due to heavy emphasis on planning & teamwork in this course there are no late days; we expect that you anticipate unexpected events in your planning , and coordinate with your teammates when they arise. Exceptions to this policy will be made only in extraordinary circumstances, almost always involving a family or medical emergency, with your academic advisor or the Dean of Student Affairs requesting the exception on your behalf.","title":"Projects"},{"location":"syllabus/#time-management","text":"This is a 12-unit course, and it is our intention to manage it so that you spend close to 12 hours a week on the course, on average. In general, 4 hours/week will be spent in lectures & recitation and 8 hours on readings and projects. Notice that most projects are done in groups, so please account for the overhead and decreased time flexibility that comes with group work. Throughout the semester, please feel free to give the course staff feedback on how much time the course is taking for you.","title":"Time Management"},{"location":"syllabus/#professionalism","text":"Your classmates are your colleagues. This is particularly true in this course, where we aim to provide you with principles, practices, tools, and paradigms that will enable you to be an effective, real-world Software Engineer. We ask that you treat one another like the professionals you are and that you are preparing to be. To that end, we will not tolerate harassment in this class. We define harassment as unwelcome or hostile behavior of an ad hominem nature, i.e., that focuses not on ideas but on people and identity. This includes offensive verbal or written comments in reference to gender, sexual orientation, disability, physical appearance, race, or religion; sexual images in public spaces; deliberate intimidation, stalking, following, harassing photography or recording, sustained disruption of class meetings, inappropriate physical contact, and unwelcome sexual attention. Harassment is against the law and we have no tolerance for it, and neither does the university. Even when behavior does not rise to the level of harassment (even if you think you're \"just joking!\"), it can still make people very uncomfortable, and harm their educational and professional career by forcing them to devote mental energy to something other than the material they are trying to learn or the professional successes they are trying to achieve. However, we expect that we do not need to threaten you to earn your respect on this matter: we simply ask that you treat one another like professionals, in the most positive sense. This has two implications: If you feel someone is violating these principles (for example, with a joke that could be interpreted as sexist, racist, or exclusionary), and you feel you have the standing to do so, speak up! Do not be a bystander to unprofessional behavior. If you do not feel comfortable doing so, and/or if the behavior persists, send a private email to the course instructors or set up a meeting with us to discuss the matter. We will preserve your anonymity. We, the course staff, are committed to affording you the same respect we ask you to afford one another. If you feel that we are not doing so, we hope you will feel comfortable either telling us so directly, or approaching another one of the course staff with your concerns. (Thank you to Shriram Krishnamurthi and Evan Peck for sharing their own policies, from which we drew inspiration for this one.)","title":"Professionalism"},{"location":"syllabus/#academic-honesty-and-collaboration","text":"The usual policies apply, especially the University Policy on Academic Integrity. Many of the projects will be done in groups. We expect that group members collaborate with one another, but that groups work independently from one another, not exchanging results with other groups. Within groups, we expect that you are honest about your contribution to the group's work. This implies not taking credit for others' work and not covering for team members that have not contributed to the team. Otherwise, our expectations regarding academic honesty and collaboration for group work are the same as for individual work, substituting elevated to the level of \"group.\" The course includes both individual projects and individual components of group projects . Although your solutions for individual parts will be based on the content produced for the group component (e.g. written reflections on lessons learned), we treat individual components of group projects as equivalent to individual projects overall, and expect you to complete such components independently of your groupmates. The rest of this academic honesty and collaboration content is taken from the policy used in 17-214, which we reuse almost directly (with minor modifications, and attribution). \"You may not copy any part of a solution to a problem that was written by another student, or was developed together with another student, or was copied from another unauthorized source such as the Internet. You may not look at another student's solution, even if you have completed your own, nor may you knowingly give your solution to another student or leave your solution where another student can see it. Here are some examples of behavior that are inappropriate: Copying or retyping, or referring to, files or parts of files (such as source code, written text, or unit tests) from another person or source (whether in final or draft form, regardless of the permissions set on the associated files) while producing your own. This is true even if your version includes minor modifications such as style or variable name changes or minor logic modifications. Getting help that you do not fully understand, and from someone whom you do not acknowledge on your solution. Writing, using, or submitting a program that attempts to alter or erase grading information or otherwise compromise security of course resources. Lying to course staff. Giving copies of work to others, or allowing someone else to copy or refer to your code or written assignment to produce their own, either in draft or final form. This includes making your work publicly available in a way that other students (current or future) can access your solutions, even if others' access is accidental or incidental to your goals. Beware the privacy settings on your open source accounts! Coaching others step-by-step without them understanding your help. If any of your work contains any statement that was not written by you, you must put it in quotes and cite the source. If you are paraphrasing an idea you read elsewhere, you must acknowledge the source. Using existing material without proper citation is plagiarism, a form of cheating. If there is any question about whether the material is permitted, you must get permission in advance. We will be using automated systems to detect software plagiarism. It is not considered cheating to clarify vague points in the assignments, lectures, lecture notes; to give help or receive help in using the computer systems, compilers, debuggers, profilers, or other facilities; or to discuss ideas at a very high level, without referring to or producing code. Any violation of this policy is cheating. The minimum penalty for cheating (including plagiarism) will be a zero grade for the whole assignment. Cheating incidents will also be reported through University channels, with possible additional disciplinary action (see the above-linked University Policy on Academic Integrity). If you have any question about how this policy applies in a particular situation, ask the instructors or TAs for clarification.\" Note that the instructors respect honesty in these (and indeed most!) situations.","title":"Academic Honesty and Collaboration"},{"location":"syllabus/#accommodations","text":"Carnegie Mellon University is committed to providing reasonable accommodations for all persons with disabilities. To access accommodation services you are expected to initiate the request and submit a Voluntary Disclosure of Disability Form to the office of Health & Wellness or CaPS-Q. In order to receive services/accommodations, verification of a disability is required as recommended in writing by a doctor, licensed psychologist or psycho-educational specialist. The office of Health & Wellness, CaPS-Q and Office of Disability Resources in Pittsburgh will review the information you provide. All information will be considered confidential and only released to appropriate persons on a need to know basis. Once the accommodations have been approved, you will be issued a Summary of Accommodations Memorandum documenting the disability and describing the accommodation. You are responsible for providing the Memorandum to your professors at the beginning of each semester. For more information on policies and procedures, please visit Assistance for Individuals with Disabilities on Scotty .","title":"Accommodations"},{"location":"syllabus/#policy-on-healthcare-related-absence","text":"We don't record our lectures, because they are highly interactive and tricky to record, but we do post slides at the end of the day. Please go over them and come to any of the instructors' office hours to discuss the material.","title":"Policy on Healthcare-Related Absence"},{"location":"syllabus/#a-note-on-self-care","text":"We all feel stress at different times and for different reasons, and when we do, it is good to reach out for support. Do your best to maintain a healthy lifestyle by eating well, exercising, getting enough sleep and taking some time to relax. Please know that you are not alone. There are many helpful resources available on campus and an important part of the college experience is learning how to ask for help. Asking for support sooner, rather than later, can often help your situation from getting more complicated. If you or any of your CMUQ peers are experiencing academic stress, difficult life events, or feelings like anxiety or depression, we strongly encourage you to seek support. Our Student Affairs staff are here to help: Dr. Dalia Rehal, Associate Dean for Student Affairs (CMB 1094), mailto:drehal@qatar.cmu.edu , 4454-8545 Amie Rollins, Office of Health and Wellness (CMB 1103), amier@andrew.cmu.edu , 4454-8680 Dr. Atorina Benjamin, Counseling and Psychological Services (CMB 1104), atorinab@qatar.cmu.edu , 4454-8525 You can also visit the Ilona Wyers Student Lounge and connect with anyone on the Student Affairs Team. Consider also reaching out to a friend, faculty, staff, or family member you trust for help. If you would like to speak to a trained professional for mental health support, day or night, call our ProtoCall hotline at 5554 7913, which is staffed by trained mental health care providers. If the situation is life threatening, call 999.","title":"A Note on Self Care"},{"location":"projects/","text":"Coming soon!","title":"Homework"},{"location":"projects/P1/","text":"Project 1: Hello, NodeBB! \u00b6 Learning Goals \u00b6 Familiarize yourself with an existing software project Download, install and run an existing software project Onboard on development tools and technologies Learn Git Flow and GitHub to support future collaborative development Run local analysis tools and use the output to evaluate a codebase Project Context \u00b6 Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product. This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website . For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB . Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project. Deliverables and Deadlines \u00b6 This is an individual assignment . There are four (4) deliverables and one (1) deadline for this homework. Onboarding \u2013 100 points \u2013 due Wednesday, August 30th, 10:00pm Build Checkpoint (5 pts) GitHub Issue (20 pts) GitHub Pull Request (35 pts) Gradescope Written Assignment (40 pts) Prerequisites \u00b6 Onboarding Materials \u00b6 Before jumping into the codebase, please review the course syllabus and be sure you have access to each of the following: Course Slack - check your email for an invite link Gradescope If you run into any trouble accessing the above or have any questions, reach out to the instructors. Git & GitHub \u00b6 In this project and throughout the rest of this course, you will be expected to work extensively with Git and GitHub. Specifically for this project, you should be familiar with: Forking/cloning GitHub repositories Understanding general Git flow - pulling, branching, adding, committing, pushing, merging Creating GitHub Issues and using related features (labels, assignees, milestones) Creating GitHub Pull Requests and using related features (linking to issues) Creating GitHub Project Boards If you are not familiar with any of these steps, you are highly recommended to first complete a short Github Exercise , as it will cover the standards we are expecting in this class (which you will be graded upon). Refer to the Resources & Documentation section if needed. Getting Started \u00b6 Repository Setup \u00b6 Fork the class-specific repository into your personal GitHub account. Warning Even though this project is based off of an active open source project, we have made significant changes to ensure its suitability for our class. As such, be sure you are forking off of CMU-17313Q/NodeBB and direct any questions to course staff. Do not contact the maintainers of NodeBB for assistance with your homework questions. Ensure that GitHub Actions are enabled (click the green button under the \"Actions\" tab), then follow the below installation instructions based on your computer's operating system: Mac Windows Ubuntu (Linux) Once you have run NodeBB successfully, you should be able to navigate to http://localhost:4567 and see the main forum page. By default, NodeBB will be deployed to port 4567 on your machine. You may change this port number (e.g. to avoid conflict with another process running on your machine). Warning In this class, we do expect students to first try debugging errors on their own; this includes following stack traces, searching up error strings and unfamiliar outputs, etc. If you do get stuck, or if the process of installing and running NodeBB is taking you more than a few hours, stop and ask for help on Slack! Take some time to click through the pages and explore the different features that NodeBB has to offer. Analysis Tools \u00b6 When working on an existing codebase, especially in a collaborative setting, we want to ensure that none of our changes introduce unexpected bugs or issues for other developers. To fulfill these goals, we often use different tools to help us evaluate our code. Luckily, NodeBB is already packaged with a number of neat tools! Follow the Development Tools section in the repository README to run both the linter and testing tools provided by NodeBB on your computer. Without any changes to the repository, both tools should pass. After the test suite finishes running, NodeBB will also generate a code coverage report . This report gives you measurements with regards to what percentage of the codebase is covered by the test suite. Open the index.html file in the coverage folder to see the full report. Coverage Report As this is an existing codebase with a decently-sized test suite, you should expect to see a relatively high percentage of coverage , i.e. the majority of the bars/cells displayed should be green. If you are seeing a lot of red bars, it may mean that the test suite was not run properly. Double-check that all of the tests passed and that there were no failures. More on Analysis Tools A linter is a tool that directly analyzes your source code for common errors. A test suite is a set of test cases that you write for a software program to show that it has some specified set of behaviors; our testing tool provides a framework to structure our test cases, runs the test suite, and generates a report of which tests pass/fail. We will do a more in-depth exploration of analysis tools later in the course. For now, just know that these tools exist for you to use in evaluating your code. Build Checkpoint (5 pts) \u00b6 Upon completing the above steps, take screenshots of the home page of NodeBB, and the coverage report generated by the coverage tool opened in your browser. Be sure the URL is clearly visible in both screenshots (i.e. localhost:4567 and the file path to your coverage file), so we can confirm that you have everything running locally. Submit the two screenshots to Gradescope . Onboarding \u00b6 Now that you have explored the repository, the development team would like to give you an onboarding assignment. Types types types! Driven by their programming language enthusiast, the team is currently undertaking a major code overhaul and converting the repository from JavaScript to TypeScript . This language is a superset of JavaScript and comes with many advantages, including better support for code editors, compile time error-checking and, of course, types! As part of the efforts to integrate this new language into the repository, all future code will be written using TypeScript and the old files are translated as necessary. To prepare you for TypeScript development, the team would like you to contribute towards rewriting the codebase. GitHub Issue (20 pts) \u00b6 First, choose a single JavaScript file to translate and open a GitHub Issue in the class repository to declare which file you will be translating. There are some restrictions on the .js file that you can pick. Specifically, the file must: Be in the src/ folder Contain at least 50 lines of non-import statement code before you start translating it. Files like src/api/index.js and src/controllers/admin.js are not allowed Not be a file that someone else has already picked . We expect you to look through existing issues, if any, to avoid such duplication (thus, there is an incentive for you to start early!) Title the task appropriately, such as Converting from JS to TS , and mention the file name in the description. To prevent ambiguities between similarly-named files, be sure to use the full file path ( src/../xx.js ) in the title and description. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Then, assign yourself to the Issue by leaving a comment that says \"I would like to work on this please!\" You should soon see another comment by the github-actions bot informing you that you have been successfully assigned to this issue. Why Bot Assignment? You might be curious as to why we are using a GitHub bot instead of directly assigning yourself to the issue. As you aren\u2019t officially recognized as a collaborator of CMU-17313Q/NodeBB, GitHub adds some restrictions to your permissions for security purposes, including not being able to assign yourself to an issue. Hence, we are using a bot to work around these restrictions. This is similar to how you would request issues on an Open Source project! For future projects, you will have full control over these GitHub features such as managing assignees, adding labels, creating milestones, and more. GitHub Pull Request (35 pts) \u00b6 Back in your own fork , create a feature branch and implement the change. You should start with the following steps: Install TypeScript If you chose a file named xx.js , create a new file called xx.ts in the same directory Copy over the contents of the original file into this new file Make changes to xx.ts file as needed to translate the file into TypeScript Run npx tsc to generate a compiled JavaScript file from your changes Your changes must still pass both the linter and the test suite, so be sure to test your changes locally! Dependencies on Untranslated Files There will be some instances where your file may reference functions or variables from modules in other files that have not been translated yet. This may cause the linter to throw errors as these values will be of type any . In those situations, and only in those situations , you may add the following comments to suppress the linter warnings: // The next line calls a function in a module that has not been updated to TS yet // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call We will check your files to make sure you are only suppressing these warnings when absolutely necessary. For examples and more details, see the Additional TypeScript Background section under \"Resources and Documentation\" below. As you work, be sure to periodically commit your changes. Your commit message(s) must clearly describe what is changing. If you\u2019d like, you can also make use of branching and pull requests in your own repository to practice working with GitHub. Branch and Commit Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Once you are satisfied, open a pull request from your personal branch back to the class repository. Similar to the Issue, your PR title should mention the full path of the file you\u2019ve changed. The PR body should summarize the changes you made and use one of the linking keywords to link the issue that you previously opened (e.g. adding resolves #313 will signal to GitHub that this PR resolves issue number 313). Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. There will be automated checks that run on your pull request to ensure you meet the requirements of this assignment. Some of them take a while to run, so be sure to check on your pull request periodically to ensure that all these actions pass and everything is working properly! Test Suite Failures If the tests are failing on GitHub but work locally, it may be caused by server overload. Re-running the failing GitHub Action 1-2 times will resolve this. If all of the actions have passed, you will see a green checkmark next to your pull request. This signals that you have completed the implementation aspect of this assignment! \u2705 Written Assignment (40 pts) \u00b6 After you have completed all of the above tasks, we will ask you some questions relevant to the NodeBB project and the course syllabus . Fill out and submit the HW1 Written Assignment available on Gradescope. Grading \u00b6 To receive full credit for this project, we expect: The correct usage of tools and technology, including Git, GitHub, and the repository-based tools A Gradescope submission of two screenshots showing a local running build of NodeBB and the coverage report within a browser A GitHub Issue with: A selected JavaScript file that follows our requirements above A meaningful title and description that includes the full path of the file A successful self-assignment as an assignee A GitHub Pull Request with: A meaningful title that includes the full path of the file A description body that describes the changes made and links the pull request to the issue Meaningful commit messages Appropriate usage of the eslint-ignore comment A green checkmark signaling that all checks have passed Answers to the Gradescope Written Assignment that demonstrate successful completion of the project and understanding of the benefits and limitations of software metrics in the context of NodeBB Resources & Documentation \u00b6 Below are some common resources to assist you with your completion of this project. If you get stuck, start by consulting the following materials; if you have any additional questions, the course staff will be available to answer questions via Slack and Office Hours. Git & GitHub Documentation \u00b6 Documentation for working with Git and GitHub: Git Documentation Git Flow GitHub Basics GitHub's Flow GitHub Cross-Referencing We also have a simple Git-based exercise that you are highly recommeneded to complete before proceeding with this project. TypeScript Documentation \u00b6 The repository README contains links to different documentation material that you may find helpful in your development process. Particularly, you will want to focus on the documentation relating to JavaScript/TypeScript: TypeScript for New Programmers TypeScript for JavaScript Programmers JavaScript to TypeScript Translation You will also find some sample translated TypeScript files within the repository. You can use these as guidance for your translation process: src/social.ts src/controllers/composer.ts Additional TypeScript Background \u00b6 This section provides more context on how TypeScript is used for this project and when it is appropriate to suppress ESLint warnings in your translated TypeScript files. As native JavaScript does not have any typing, by default, all functions/values/classes/modules that are not typed will be automatically given the any type by TypeScript. Under default settings, this allows any valid JavaScript code to be run as TypeScript. Using the any type, however, will defeat the purpose of the various type-checking features TypeScript provides. As such, we\u2019ve set our linter to check for strict typing and disallow the use of the any type . For the most part, this should check that you explicitly type everything within your files and ensure that you are able to make the most out of TypeScript. A limitation of this strictness is that there will be errors thrown when using non-translated JavaScript imports, which TypeScript will assume to have type any . As an example from one of our sample translated files src/social.ts : src/social.ts // A module import from a non-translated JavaScript file database/index.js import db from './database' ; \u2026 const activated = await db . getSetMembers ( 'social:posts.activated' ); Running the linter will give the following errors: error Unsafe member access .getSetMembers on an ` any ` value @typescript-eslint/no-unsafe-member-access error Unsafe call of an ` any ` typed value @typescript-eslint/no-unsafe-call error Unsafe assignment of an ` any ` value @typescript-eslint/no-unsafe-assignment Let\u2019s take a look at each error: @typescript-eslint/no-unsafe-member-access - we don\u2019t know the typing of our imported module db , so it is treated as any . However, we don\u2019t know if something of type any has a function called getSetMembers , hence this is an unsafe member access @typescript-eslint/no-unsafe-call - we don\u2019t know the typing of the function db.getSetMembers , and so it is treated as any . We can not call a function of type any , so db.getSetMembers('social:posts.activated') is an unsafe call @typescript-eslint/no-unsafe-assignment - we don\u2019t know the return type of db.getSetMembers , and so it is treated as any . We can not assign something of type any to our variable activated The first two errors are dependent on us knowing the typing of db and db.getSetMembers . However, because we haven\u2019t translated the database/index.js file yet, we don\u2019t have access to their typing information. In this case, it is okay to suppress the ESLint errors as they only arise from a lack of translation. We can do this by adding the following comments: // The next line calls a function in a module that has not been updated to TS yet // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call const activated = await db . getSetMembers ( 'social:posts.activated' ); For the last error, even though we don\u2019t have typing information provided by the db module, we still want to make sure future uses of the activated variable get properly typechecked. Checking the rest of the file reveals that activated should be a string[] type; we can also manually cross-reference the db.getSetMembers function to check that this is the correct typing. Hence, it\u2019s okay to cast the return value of this function call to string[] , and our full solution looks like this: // The next line calls a function in a module that has not been updated to TS yet // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call const activated : string [] = await db . getSetMembers ( 'social:posts.activated' ) as string []; Installing Typing Packages \u00b6 In some cases, if your file imports an npm package (such as lodash , nconf , etc), you will need to install the typings for the package. To do this, run: % npm install @types/ [ packagename ] --save-dev You should then see the @types/[packagename] added to your package.json file. GitHub Actions Packages To make sure your GitHub Actions also install the correct packages, you should copy the package.json file to install/package.json .","title":"Project 1: Hello, NodeBB!"},{"location":"projects/P1/#project-1-hello-nodebb","text":"","title":"Project 1: Hello, NodeBB!"},{"location":"projects/P1/#learning-goals","text":"Familiarize yourself with an existing software project Download, install and run an existing software project Onboard on development tools and technologies Learn Git Flow and GitHub to support future collaborative development Run local analysis tools and use the output to evaluate a codebase","title":"Learning Goals"},{"location":"projects/P1/#project-context","text":"Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product. This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website . For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB . Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project.","title":"Project Context"},{"location":"projects/P1/#deliverables-and-deadlines","text":"This is an individual assignment . There are four (4) deliverables and one (1) deadline for this homework. Onboarding \u2013 100 points \u2013 due Wednesday, August 30th, 10:00pm Build Checkpoint (5 pts) GitHub Issue (20 pts) GitHub Pull Request (35 pts) Gradescope Written Assignment (40 pts)","title":"Deliverables and Deadlines"},{"location":"projects/P1/#prerequisites","text":"","title":"Prerequisites"},{"location":"projects/P1/#onboarding-materials","text":"Before jumping into the codebase, please review the course syllabus and be sure you have access to each of the following: Course Slack - check your email for an invite link Gradescope If you run into any trouble accessing the above or have any questions, reach out to the instructors.","title":"Onboarding Materials"},{"location":"projects/P1/#git-github","text":"In this project and throughout the rest of this course, you will be expected to work extensively with Git and GitHub. Specifically for this project, you should be familiar with: Forking/cloning GitHub repositories Understanding general Git flow - pulling, branching, adding, committing, pushing, merging Creating GitHub Issues and using related features (labels, assignees, milestones) Creating GitHub Pull Requests and using related features (linking to issues) Creating GitHub Project Boards If you are not familiar with any of these steps, you are highly recommended to first complete a short Github Exercise , as it will cover the standards we are expecting in this class (which you will be graded upon). Refer to the Resources & Documentation section if needed.","title":"Git & GitHub"},{"location":"projects/P1/#getting-started","text":"","title":"Getting Started"},{"location":"projects/P1/#repository-setup","text":"Fork the class-specific repository into your personal GitHub account. Warning Even though this project is based off of an active open source project, we have made significant changes to ensure its suitability for our class. As such, be sure you are forking off of CMU-17313Q/NodeBB and direct any questions to course staff. Do not contact the maintainers of NodeBB for assistance with your homework questions. Ensure that GitHub Actions are enabled (click the green button under the \"Actions\" tab), then follow the below installation instructions based on your computer's operating system: Mac Windows Ubuntu (Linux) Once you have run NodeBB successfully, you should be able to navigate to http://localhost:4567 and see the main forum page. By default, NodeBB will be deployed to port 4567 on your machine. You may change this port number (e.g. to avoid conflict with another process running on your machine). Warning In this class, we do expect students to first try debugging errors on their own; this includes following stack traces, searching up error strings and unfamiliar outputs, etc. If you do get stuck, or if the process of installing and running NodeBB is taking you more than a few hours, stop and ask for help on Slack! Take some time to click through the pages and explore the different features that NodeBB has to offer.","title":"Repository Setup"},{"location":"projects/P1/#analysis-tools","text":"When working on an existing codebase, especially in a collaborative setting, we want to ensure that none of our changes introduce unexpected bugs or issues for other developers. To fulfill these goals, we often use different tools to help us evaluate our code. Luckily, NodeBB is already packaged with a number of neat tools! Follow the Development Tools section in the repository README to run both the linter and testing tools provided by NodeBB on your computer. Without any changes to the repository, both tools should pass. After the test suite finishes running, NodeBB will also generate a code coverage report . This report gives you measurements with regards to what percentage of the codebase is covered by the test suite. Open the index.html file in the coverage folder to see the full report. Coverage Report As this is an existing codebase with a decently-sized test suite, you should expect to see a relatively high percentage of coverage , i.e. the majority of the bars/cells displayed should be green. If you are seeing a lot of red bars, it may mean that the test suite was not run properly. Double-check that all of the tests passed and that there were no failures. More on Analysis Tools A linter is a tool that directly analyzes your source code for common errors. A test suite is a set of test cases that you write for a software program to show that it has some specified set of behaviors; our testing tool provides a framework to structure our test cases, runs the test suite, and generates a report of which tests pass/fail. We will do a more in-depth exploration of analysis tools later in the course. For now, just know that these tools exist for you to use in evaluating your code.","title":"Analysis Tools"},{"location":"projects/P1/#build-checkpoint-5-pts","text":"Upon completing the above steps, take screenshots of the home page of NodeBB, and the coverage report generated by the coverage tool opened in your browser. Be sure the URL is clearly visible in both screenshots (i.e. localhost:4567 and the file path to your coverage file), so we can confirm that you have everything running locally. Submit the two screenshots to Gradescope .","title":"Build Checkpoint (5 pts)"},{"location":"projects/P1/#onboarding","text":"Now that you have explored the repository, the development team would like to give you an onboarding assignment. Types types types! Driven by their programming language enthusiast, the team is currently undertaking a major code overhaul and converting the repository from JavaScript to TypeScript . This language is a superset of JavaScript and comes with many advantages, including better support for code editors, compile time error-checking and, of course, types! As part of the efforts to integrate this new language into the repository, all future code will be written using TypeScript and the old files are translated as necessary. To prepare you for TypeScript development, the team would like you to contribute towards rewriting the codebase.","title":"Onboarding"},{"location":"projects/P1/#github-issue-20-pts","text":"First, choose a single JavaScript file to translate and open a GitHub Issue in the class repository to declare which file you will be translating. There are some restrictions on the .js file that you can pick. Specifically, the file must: Be in the src/ folder Contain at least 50 lines of non-import statement code before you start translating it. Files like src/api/index.js and src/controllers/admin.js are not allowed Not be a file that someone else has already picked . We expect you to look through existing issues, if any, to avoid such duplication (thus, there is an incentive for you to start early!) Title the task appropriately, such as Converting from JS to TS , and mention the file name in the description. To prevent ambiguities between similarly-named files, be sure to use the full file path ( src/../xx.js ) in the title and description. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Then, assign yourself to the Issue by leaving a comment that says \"I would like to work on this please!\" You should soon see another comment by the github-actions bot informing you that you have been successfully assigned to this issue. Why Bot Assignment? You might be curious as to why we are using a GitHub bot instead of directly assigning yourself to the issue. As you aren\u2019t officially recognized as a collaborator of CMU-17313Q/NodeBB, GitHub adds some restrictions to your permissions for security purposes, including not being able to assign yourself to an issue. Hence, we are using a bot to work around these restrictions. This is similar to how you would request issues on an Open Source project! For future projects, you will have full control over these GitHub features such as managing assignees, adding labels, creating milestones, and more.","title":"GitHub Issue (20 pts)"},{"location":"projects/P1/#github-pull-request-35-pts","text":"Back in your own fork , create a feature branch and implement the change. You should start with the following steps: Install TypeScript If you chose a file named xx.js , create a new file called xx.ts in the same directory Copy over the contents of the original file into this new file Make changes to xx.ts file as needed to translate the file into TypeScript Run npx tsc to generate a compiled JavaScript file from your changes Your changes must still pass both the linter and the test suite, so be sure to test your changes locally! Dependencies on Untranslated Files There will be some instances where your file may reference functions or variables from modules in other files that have not been translated yet. This may cause the linter to throw errors as these values will be of type any . In those situations, and only in those situations , you may add the following comments to suppress the linter warnings: // The next line calls a function in a module that has not been updated to TS yet // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call We will check your files to make sure you are only suppressing these warnings when absolutely necessary. For examples and more details, see the Additional TypeScript Background section under \"Resources and Documentation\" below. As you work, be sure to periodically commit your changes. Your commit message(s) must clearly describe what is changing. If you\u2019d like, you can also make use of branching and pull requests in your own repository to practice working with GitHub. Branch and Commit Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Once you are satisfied, open a pull request from your personal branch back to the class repository. Similar to the Issue, your PR title should mention the full path of the file you\u2019ve changed. The PR body should summarize the changes you made and use one of the linking keywords to link the issue that you previously opened (e.g. adding resolves #313 will signal to GitHub that this PR resolves issue number 313). Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. There will be automated checks that run on your pull request to ensure you meet the requirements of this assignment. Some of them take a while to run, so be sure to check on your pull request periodically to ensure that all these actions pass and everything is working properly! Test Suite Failures If the tests are failing on GitHub but work locally, it may be caused by server overload. Re-running the failing GitHub Action 1-2 times will resolve this. If all of the actions have passed, you will see a green checkmark next to your pull request. This signals that you have completed the implementation aspect of this assignment! \u2705","title":"GitHub Pull Request (35 pts)"},{"location":"projects/P1/#written-assignment-40-pts","text":"After you have completed all of the above tasks, we will ask you some questions relevant to the NodeBB project and the course syllabus . Fill out and submit the HW1 Written Assignment available on Gradescope.","title":"Written Assignment (40 pts)"},{"location":"projects/P1/#grading","text":"To receive full credit for this project, we expect: The correct usage of tools and technology, including Git, GitHub, and the repository-based tools A Gradescope submission of two screenshots showing a local running build of NodeBB and the coverage report within a browser A GitHub Issue with: A selected JavaScript file that follows our requirements above A meaningful title and description that includes the full path of the file A successful self-assignment as an assignee A GitHub Pull Request with: A meaningful title that includes the full path of the file A description body that describes the changes made and links the pull request to the issue Meaningful commit messages Appropriate usage of the eslint-ignore comment A green checkmark signaling that all checks have passed Answers to the Gradescope Written Assignment that demonstrate successful completion of the project and understanding of the benefits and limitations of software metrics in the context of NodeBB","title":"Grading"},{"location":"projects/P1/#resources-documentation","text":"Below are some common resources to assist you with your completion of this project. If you get stuck, start by consulting the following materials; if you have any additional questions, the course staff will be available to answer questions via Slack and Office Hours.","title":"Resources & Documentation"},{"location":"projects/P1/#git-github-documentation","text":"Documentation for working with Git and GitHub: Git Documentation Git Flow GitHub Basics GitHub's Flow GitHub Cross-Referencing We also have a simple Git-based exercise that you are highly recommeneded to complete before proceeding with this project.","title":"Git & GitHub Documentation"},{"location":"projects/P1/#typescript-documentation","text":"The repository README contains links to different documentation material that you may find helpful in your development process. Particularly, you will want to focus on the documentation relating to JavaScript/TypeScript: TypeScript for New Programmers TypeScript for JavaScript Programmers JavaScript to TypeScript Translation You will also find some sample translated TypeScript files within the repository. You can use these as guidance for your translation process: src/social.ts src/controllers/composer.ts","title":"TypeScript Documentation"},{"location":"projects/P1/#additional-typescript-background","text":"This section provides more context on how TypeScript is used for this project and when it is appropriate to suppress ESLint warnings in your translated TypeScript files. As native JavaScript does not have any typing, by default, all functions/values/classes/modules that are not typed will be automatically given the any type by TypeScript. Under default settings, this allows any valid JavaScript code to be run as TypeScript. Using the any type, however, will defeat the purpose of the various type-checking features TypeScript provides. As such, we\u2019ve set our linter to check for strict typing and disallow the use of the any type . For the most part, this should check that you explicitly type everything within your files and ensure that you are able to make the most out of TypeScript. A limitation of this strictness is that there will be errors thrown when using non-translated JavaScript imports, which TypeScript will assume to have type any . As an example from one of our sample translated files src/social.ts : src/social.ts // A module import from a non-translated JavaScript file database/index.js import db from './database' ; \u2026 const activated = await db . getSetMembers ( 'social:posts.activated' ); Running the linter will give the following errors: error Unsafe member access .getSetMembers on an ` any ` value @typescript-eslint/no-unsafe-member-access error Unsafe call of an ` any ` typed value @typescript-eslint/no-unsafe-call error Unsafe assignment of an ` any ` value @typescript-eslint/no-unsafe-assignment Let\u2019s take a look at each error: @typescript-eslint/no-unsafe-member-access - we don\u2019t know the typing of our imported module db , so it is treated as any . However, we don\u2019t know if something of type any has a function called getSetMembers , hence this is an unsafe member access @typescript-eslint/no-unsafe-call - we don\u2019t know the typing of the function db.getSetMembers , and so it is treated as any . We can not call a function of type any , so db.getSetMembers('social:posts.activated') is an unsafe call @typescript-eslint/no-unsafe-assignment - we don\u2019t know the return type of db.getSetMembers , and so it is treated as any . We can not assign something of type any to our variable activated The first two errors are dependent on us knowing the typing of db and db.getSetMembers . However, because we haven\u2019t translated the database/index.js file yet, we don\u2019t have access to their typing information. In this case, it is okay to suppress the ESLint errors as they only arise from a lack of translation. We can do this by adding the following comments: // The next line calls a function in a module that has not been updated to TS yet // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call const activated = await db . getSetMembers ( 'social:posts.activated' ); For the last error, even though we don\u2019t have typing information provided by the db module, we still want to make sure future uses of the activated variable get properly typechecked. Checking the rest of the file reveals that activated should be a string[] type; we can also manually cross-reference the db.getSetMembers function to check that this is the correct typing. Hence, it\u2019s okay to cast the return value of this function call to string[] , and our full solution looks like this: // The next line calls a function in a module that has not been updated to TS yet // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call const activated : string [] = await db . getSetMembers ( 'social:posts.activated' ) as string [];","title":"Additional TypeScript Background"},{"location":"projects/P1/#installing-typing-packages","text":"In some cases, if your file imports an npm package (such as lodash , nconf , etc), you will need to install the typings for the package. To do this, run: % npm install @types/ [ packagename ] --save-dev You should then see the @types/[packagename] added to your package.json file. GitHub Actions Packages To make sure your GitHub Actions also install the correct packages, you should copy the package.json file to install/package.json .","title":"Installing Typing Packages"},{"location":"projects/P1/faq/","text":"Frequently Asked Questions \u00b6 This section is meant to contain frequently asked questions about the homework. We will continue to update this throughout the period the assignment is released! Installation \u00b6 I'm running into errors about missing files when running ./nodebb start ! \u00b6 Be sure you've compiled a build by running the build command ./nodebb build first, then try running the start command again. Analysis Tools \u00b6 Running the test suite stops immediately and throws a bunch of errors! \u00b6 This usually happens if you don't have a test database configured correctly. Scroll up past the errors and copy over the test database configuration into the local config.json file. For redis, you won't have to do any additional setup; for mongodb, you may have to explicitly create another test database. You can reference the installation instructions to get the commands for setting this up. Ask in Slack if you need assistance! Other \u00b6 How do I reset my NodeBB configurations? \u00b6 Delete the config.json file and re-run the ./nodebb setup command. How do I reset my NodeBB database? \u00b6 Depending on your database setup, you will need to find the commands to delete all data stored in your database. For redis, this involves using the redis-cli to enter the database and using the FLUSHALL command. Once you've cleared your database, delete your config.json file and re-run the ./nodebb setup command. You will need to reconfigure an admin account.","title":"FAQ"},{"location":"projects/P1/faq/#frequently-asked-questions","text":"This section is meant to contain frequently asked questions about the homework. We will continue to update this throughout the period the assignment is released!","title":"Frequently Asked Questions"},{"location":"projects/P1/faq/#installation","text":"","title":"Installation"},{"location":"projects/P1/faq/#im-running-into-errors-about-missing-files-when-running-nodebb-start","text":"Be sure you've compiled a build by running the build command ./nodebb build first, then try running the start command again.","title":"I'm running into errors about missing files when running ./nodebb start!"},{"location":"projects/P1/faq/#analysis-tools","text":"","title":"Analysis Tools"},{"location":"projects/P1/faq/#running-the-test-suite-stops-immediately-and-throws-a-bunch-of-errors","text":"This usually happens if you don't have a test database configured correctly. Scroll up past the errors and copy over the test database configuration into the local config.json file. For redis, you won't have to do any additional setup; for mongodb, you may have to explicitly create another test database. You can reference the installation instructions to get the commands for setting this up. Ask in Slack if you need assistance!","title":"Running the test suite stops immediately and throws a bunch of errors!"},{"location":"projects/P1/faq/#other","text":"","title":"Other"},{"location":"projects/P1/faq/#how-do-i-reset-my-nodebb-configurations","text":"Delete the config.json file and re-run the ./nodebb setup command.","title":"How do I reset my NodeBB configurations?"},{"location":"projects/P1/faq/#how-do-i-reset-my-nodebb-database","text":"Depending on your database setup, you will need to find the commands to delete all data stored in your database. For redis, this involves using the redis-cli to enter the database and using the FLUSHALL command. Once you've cleared your database, delete your config.json file and re-run the ./nodebb setup command. You will need to reconfigure an admin account.","title":"How do I reset my NodeBB database?"},{"location":"projects/P1/github/","text":"GitHub Exercise \u00b6 Overview \u00b6 The purpose of this exercise is to provide support for students who may be less familiar with Git and GitHub. After this exercise, students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the Git workflow and how to collaborate with other developers in their projects. Note This exercise is optional and is meant to provide a sandbox environment for students who want to practice using Git and GitHub tools. Students should use their own discretion on whether this exercise is helpful or necessary to support their learning. Prerequisites \u00b6 You have a GitHub account You have Git installed You have Python 3 installed You know Git Basics Forking a Repository \u00b6 Start by forking this repository to your personal account by clicking the Fork button at the top of the page. Then, under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository. Clone the repository onto your local machine. Running a GitHub Action Workflow \u00b6 On GitHub, click the Actions tab, enable workflows by clicking the green button, then select the \"Python Application\" workflow. Click on the \"Run workflow\" dropdown. Double-check that the selected Branch is main , then click the \"Run workflow\" button. This manually will run the GitHub workflow that tests the Fibonacci function in fib.py using test_fib.py . Once the action has finished running, click into the workflow and select \"build\". You should notice the action failing, meaning the test cases failed and our main branch is broken! Let's walk through the process to fix these errors. Tip In practice, you should not merge code into the main branch that could cause it to fail. This way, we can ensure that all the code on the main branch represents our most recent fully-working product. Setting up a Project Board \u00b6 Project boards are a great way to track development. Although there are many nice external tools such as Trello or Jira, GitHub provides their own project boards for us to use with great integration support of their other features. Under the Projects tab, create a new project with the \"Board\" template. After the board has been created, go back to the Projects tab and link the project board to the repository. Creating Issues \u00b6 Check back on the build output in the Actions tab and take a look at which test cases are failing. Take note of the names of each test case - they should give you a hint as to what the bugs may be! Under the Issues tab, create an issue for each failing test case. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Assign yourself to one of the issues and add the two issues to the project Kanban board under the \"Todo\" column. You may also want to experiment with adding labels and milestones to your issues. These are all features you will be using in future projects! Branching, Committing, and Pushing \u00b6 On your local machine, create a new branch with a relevant name to the issue you are addressing. Branch Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Fix the issue that you were assigned to, then add and commit the changes. Commit Guidelines Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Push the branch to remote by running: % git push --set-upstream origin Writing Pull Requests \u00b6 On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch. Warning Make sure you are merging to the main of your own forked repository! By default, GitHub will select the original repository (CMU-17313Q/...) instead of your own forked repository (your-username/...). Give your pull request an appropriate title and description. Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. Link the issue you created initially to the PR by using the linking keywords in the PR description, then click on the green \"Create pull request\" button. Notice that the GitHub action workflow runs automatically once you create the pull request! You should check that the relevant test case to your fix now passes. Check GitHub Actions \u00b6 Click on the Actions tab. If you have resolved all the issues correctly, the tests should now pass, and a green check should show.","title":"Github Exercise"},{"location":"projects/P1/github/#github-exercise","text":"","title":"GitHub Exercise"},{"location":"projects/P1/github/#overview","text":"The purpose of this exercise is to provide support for students who may be less familiar with Git and GitHub. After this exercise, students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the Git workflow and how to collaborate with other developers in their projects. Note This exercise is optional and is meant to provide a sandbox environment for students who want to practice using Git and GitHub tools. Students should use their own discretion on whether this exercise is helpful or necessary to support their learning.","title":"Overview"},{"location":"projects/P1/github/#prerequisites","text":"You have a GitHub account You have Git installed You have Python 3 installed You know Git Basics","title":"Prerequisites"},{"location":"projects/P1/github/#forking-a-repository","text":"Start by forking this repository to your personal account by clicking the Fork button at the top of the page. Then, under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository. Clone the repository onto your local machine.","title":"Forking a Repository"},{"location":"projects/P1/github/#running-a-github-action-workflow","text":"On GitHub, click the Actions tab, enable workflows by clicking the green button, then select the \"Python Application\" workflow. Click on the \"Run workflow\" dropdown. Double-check that the selected Branch is main , then click the \"Run workflow\" button. This manually will run the GitHub workflow that tests the Fibonacci function in fib.py using test_fib.py . Once the action has finished running, click into the workflow and select \"build\". You should notice the action failing, meaning the test cases failed and our main branch is broken! Let's walk through the process to fix these errors. Tip In practice, you should not merge code into the main branch that could cause it to fail. This way, we can ensure that all the code on the main branch represents our most recent fully-working product.","title":"Running a GitHub Action Workflow"},{"location":"projects/P1/github/#setting-up-a-project-board","text":"Project boards are a great way to track development. Although there are many nice external tools such as Trello or Jira, GitHub provides their own project boards for us to use with great integration support of their other features. Under the Projects tab, create a new project with the \"Board\" template. After the board has been created, go back to the Projects tab and link the project board to the repository.","title":"Setting up a Project Board"},{"location":"projects/P1/github/#creating-issues","text":"Check back on the build output in the Actions tab and take a look at which test cases are failing. Take note of the names of each test case - they should give you a hint as to what the bugs may be! Under the Issues tab, create an issue for each failing test case. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Assign yourself to one of the issues and add the two issues to the project Kanban board under the \"Todo\" column. You may also want to experiment with adding labels and milestones to your issues. These are all features you will be using in future projects!","title":"Creating Issues"},{"location":"projects/P1/github/#branching-committing-and-pushing","text":"On your local machine, create a new branch with a relevant name to the issue you are addressing. Branch Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Fix the issue that you were assigned to, then add and commit the changes. Commit Guidelines Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Push the branch to remote by running: % git push --set-upstream origin ","title":"Branching, Committing, and Pushing"},{"location":"projects/P1/github/#writing-pull-requests","text":"On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch. Warning Make sure you are merging to the main of your own forked repository! By default, GitHub will select the original repository (CMU-17313Q/...) instead of your own forked repository (your-username/...). Give your pull request an appropriate title and description. Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. Link the issue you created initially to the PR by using the linking keywords in the PR description, then click on the green \"Create pull request\" button. Notice that the GitHub action workflow runs automatically once you create the pull request! You should check that the relevant test case to your fix now passes.","title":"Writing Pull Requests"},{"location":"projects/P1/github/#check-github-actions","text":"Click on the Actions tab. If you have resolved all the issues correctly, the tests should now pass, and a green check should show.","title":"Check GitHub Actions"},{"location":"projects/P1/installation/mac/","text":"Installing NodeBB on MacOS \u00b6 Required Software \u00b6 First, install the following programs: http://nodejs.org/ http://brew.sh/ Installing Redis \u00b6 Install redis with homebrew: % brew install redis Start the redis server: % redis-server Installing NodeBB \u00b6 You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, build the files: % ./nodebb build And start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Mac"},{"location":"projects/P1/installation/mac/#installing-nodebb-on-macos","text":"","title":"Installing NodeBB on MacOS"},{"location":"projects/P1/installation/mac/#required-software","text":"First, install the following programs: http://nodejs.org/ http://brew.sh/","title":"Required Software"},{"location":"projects/P1/installation/mac/#installing-redis","text":"Install redis with homebrew: % brew install redis Start the redis server: % redis-server","title":"Installing Redis"},{"location":"projects/P1/installation/mac/#installing-nodebb","text":"You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, build the files: % ./nodebb build And start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Installing NodeBB"},{"location":"projects/P1/installation/ubuntu/","text":"Installing on Ubuntu \u00b6 Required Software \u00b6 Installing Node.js \u00b6 Node.js is available from the NodeSource Ubuntu binary distributions repository. Start by adding this repository to the apt index: % curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash - Then, update the apt packages and install nodejs: % sudo apt-get update % sudo apt-get install -y nodejs Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 8 of npm installed: % node -v % npm -v # this should output \"8.11.0\" or similar Installing Redis \u00b6 The original NodeBB installation guide suggests the use of MongoDB database, but for simplicity and consistency across the installation guides, we will be using Redis as our database. Here is an abbreviated version of the installation instructions provided by Redis : Add Redis repository to the apt index: % curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg % echo \"deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $( lsb_release -cs ) main\" | sudo tee /etc/apt/sources.list.d/redis.list Update the apt packages and install redis: % sudo apt-get update % sudo apt-get install redis Start the redis server: % redis-server Installing NodeBB \u00b6 You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Windows WSL2 Warning For Windows WSL2 users, you should store your project files on the same operating system as the tools you plan to use . When it comes to cloning the NodeBB repository, it means that you should clone it in: the Linux file system root directory: \\\\wsl$\\Ubuntu\\home\\\\ NOT the Windows file system root directory: /mnt/c/Users//$ or C:\\Users\\\\ You can use % cd ~ to access the Linux home directory, then clone the repository there. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, build the files: % ./nodebb build And start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Linux (Ubuntu)"},{"location":"projects/P1/installation/ubuntu/#installing-on-ubuntu","text":"","title":"Installing on Ubuntu"},{"location":"projects/P1/installation/ubuntu/#required-software","text":"","title":"Required Software"},{"location":"projects/P1/installation/ubuntu/#installing-nodejs","text":"Node.js is available from the NodeSource Ubuntu binary distributions repository. Start by adding this repository to the apt index: % curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash - Then, update the apt packages and install nodejs: % sudo apt-get update % sudo apt-get install -y nodejs Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 8 of npm installed: % node -v % npm -v # this should output \"8.11.0\" or similar","title":"Installing Node.js"},{"location":"projects/P1/installation/ubuntu/#installing-redis","text":"The original NodeBB installation guide suggests the use of MongoDB database, but for simplicity and consistency across the installation guides, we will be using Redis as our database. Here is an abbreviated version of the installation instructions provided by Redis : Add Redis repository to the apt index: % curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg % echo \"deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $( lsb_release -cs ) main\" | sudo tee /etc/apt/sources.list.d/redis.list Update the apt packages and install redis: % sudo apt-get update % sudo apt-get install redis Start the redis server: % redis-server","title":"Installing Redis"},{"location":"projects/P1/installation/ubuntu/#installing-nodebb","text":"You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Windows WSL2 Warning For Windows WSL2 users, you should store your project files on the same operating system as the tools you plan to use . When it comes to cloning the NodeBB repository, it means that you should clone it in: the Linux file system root directory: \\\\wsl$\\Ubuntu\\home\\\\ NOT the Windows file system root directory: /mnt/c/Users//$ or C:\\Users\\\\ You can use % cd ~ to access the Linux home directory, then clone the repository there. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, build the files: % ./nodebb build And start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Installing NodeBB"},{"location":"projects/P1/installation/windows/","text":"Installing NodeBB on Windows \u00b6 17-313 will only be supporting development using Windows Subsystem Linux 2 (WSL2) on Windows (Ubuntu variant). To support the use of WSL2, it is highly recommended that you develop using VSCode . To learn more, refer to Microsoft's official WSL Documentation . Installing WSL2 on Windows \u00b6 Follow the instructions on the official Microsoft Getting Started Guide and complete all the steps up to (and including) the Use Visual Studio Code section. By the end of these instructions, you should: Have Ubuntu WSL2 installed Have a root Linux username and password set up Have updated and upgraded your packages Be able to open Ubuntu WSL2 in Windows Terminal Understand that you should store your project files on the same operating system as the tools you plan to use . For example, in order to successfully run NodeBB in Ubuntu, you should run git clone in your Ubuntu file system, open the cloned directory in Ubuntu, and edit the code files in Ubuntu Be able to open a directory in Ubuntu in VSCode Note In all future projects of this course, we will expect you to develop using WSL2. Thus, it is very important that you set up WSL2 correctly. Please come to office hours or ask on Slack if you need any assistance with the installation. Installing NodeBB \u00b6 If you do not already have Git installed, follow the Git Installation on Linux for Ubuntu. Then, follow the Ubuntu instructions to install required tools and NodeBB itself on WSL2.","title":"Windows"},{"location":"projects/P1/installation/windows/#installing-nodebb-on-windows","text":"17-313 will only be supporting development using Windows Subsystem Linux 2 (WSL2) on Windows (Ubuntu variant). To support the use of WSL2, it is highly recommended that you develop using VSCode . To learn more, refer to Microsoft's official WSL Documentation .","title":"Installing NodeBB on Windows"},{"location":"projects/P1/installation/windows/#installing-wsl2-on-windows","text":"Follow the instructions on the official Microsoft Getting Started Guide and complete all the steps up to (and including) the Use Visual Studio Code section. By the end of these instructions, you should: Have Ubuntu WSL2 installed Have a root Linux username and password set up Have updated and upgraded your packages Be able to open Ubuntu WSL2 in Windows Terminal Understand that you should store your project files on the same operating system as the tools you plan to use . For example, in order to successfully run NodeBB in Ubuntu, you should run git clone in your Ubuntu file system, open the cloned directory in Ubuntu, and edit the code files in Ubuntu Be able to open a directory in Ubuntu in VSCode Note In all future projects of this course, we will expect you to develop using WSL2. Thus, it is very important that you set up WSL2 correctly. Please come to office hours or ask on Slack if you need any assistance with the installation.","title":"Installing WSL2 on Windows"},{"location":"projects/P1/installation/windows/#installing-nodebb","text":"If you do not already have Git installed, follow the Git Installation on Linux for Ubuntu. Then, follow the Ubuntu instructions to install required tools and NodeBB itself on WSL2.","title":"Installing NodeBB"},{"location":"projects/P2/","text":"Project 2: Collaborative Development \u00b6 Learning Goals \u00b6 Translating requirements into actionable user stories Practice getting to know a pre-existing code base and developing new features for it using previously unfamiliar technology Practice version control and development best practices within the context of a group assignment Plan and schedule projects in terms of tasks, milestones, and time estimations, and re-plan as required Make initial decisions on a team process, and reflect on your experience with the process Effectively coordinate among team members and conduct team meetings Meaningfully reflect on the experience of working in teams Project Context \u00b6 CMU has over 14,000 students and hundreds of courses every semester. Many of these courses use a combination of educational platforms to distribute course materials (handouts, lecture notes, etc), manage student information, assess student learning, and provide a means of communication between the students and course staff. Examples of such platforms include Canvas, Piazza, and Gradescope. However, the distributed nature of this system makes it difficult for instructors to synchronize information across each of the different platforms, and the lack of standardization across the university forces students to remember a different set of links for each class. Your manager has assigned you to a team and has tasked you with building a new course management system over the course of the semester to be used university-wide. To help manage the scope of this project, they have specifically requested you to focus on implementing the Q&A portion of this overarching system , i.e. the component that enables communication between the faculty and students. Rather than creating a new Q&A system from scratch, management has decided that you and your team will repurpose and adapt the existing forum system provided by NodeBB . Beyond being a pretty decent forum platform, NodeBB provides complex features that you expect will be useful like user registration, permission settings, post creation, sorting and filtering capabilities, and more. Despite its considerable functionality, NodeBB is still missing many of the basic features that you would expect to find in a course-based Q&A system and needs changes to better fit this new purpose. You and your team will be responsible for coming up with an initial development plan and beginning implementation. Deliverables and Deadlines \u00b6 This will be the first assignment with your group. There are three (3) deadlines for this project. Each of the core deliverables are described below. This project is worth a total of 320 points. Detailed information for each of the deadlines has been split into its own subpage on the left. Tip This is a large assignment spanning from now until Fall Break. We estimate that this project will take each student on the team on average 8 hours/week over the next 5 weeks, for a total of 40 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. A) Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts) B) First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st C) Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Team Reflection (50 pts) Individual Reflection (30 pts)","title":"Project 2: Collaborative Development"},{"location":"projects/P2/#project-2-collaborative-development","text":"","title":"Project 2: Collaborative Development"},{"location":"projects/P2/#learning-goals","text":"Translating requirements into actionable user stories Practice getting to know a pre-existing code base and developing new features for it using previously unfamiliar technology Practice version control and development best practices within the context of a group assignment Plan and schedule projects in terms of tasks, milestones, and time estimations, and re-plan as required Make initial decisions on a team process, and reflect on your experience with the process Effectively coordinate among team members and conduct team meetings Meaningfully reflect on the experience of working in teams","title":"Learning Goals"},{"location":"projects/P2/#project-context","text":"CMU has over 14,000 students and hundreds of courses every semester. Many of these courses use a combination of educational platforms to distribute course materials (handouts, lecture notes, etc), manage student information, assess student learning, and provide a means of communication between the students and course staff. Examples of such platforms include Canvas, Piazza, and Gradescope. However, the distributed nature of this system makes it difficult for instructors to synchronize information across each of the different platforms, and the lack of standardization across the university forces students to remember a different set of links for each class. Your manager has assigned you to a team and has tasked you with building a new course management system over the course of the semester to be used university-wide. To help manage the scope of this project, they have specifically requested you to focus on implementing the Q&A portion of this overarching system , i.e. the component that enables communication between the faculty and students. Rather than creating a new Q&A system from scratch, management has decided that you and your team will repurpose and adapt the existing forum system provided by NodeBB . Beyond being a pretty decent forum platform, NodeBB provides complex features that you expect will be useful like user registration, permission settings, post creation, sorting and filtering capabilities, and more. Despite its considerable functionality, NodeBB is still missing many of the basic features that you would expect to find in a course-based Q&A system and needs changes to better fit this new purpose. You and your team will be responsible for coming up with an initial development plan and beginning implementation.","title":"Project Context"},{"location":"projects/P2/#deliverables-and-deadlines","text":"This will be the first assignment with your group. There are three (3) deadlines for this project. Each of the core deliverables are described below. This project is worth a total of 320 points. Detailed information for each of the deadlines has been split into its own subpage on the left. Tip This is a large assignment spanning from now until Fall Break. We estimate that this project will take each student on the team on average 8 hours/week over the next 5 weeks, for a total of 40 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. A) Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts) B) First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st C) Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Team Reflection (50 pts) Individual Reflection (30 pts)","title":"Deliverables and Deadlines"},{"location":"projects/P2/1_teamprocess/","text":"Project 2A: Collaborative Development \u00b6 Deliverables \u00b6 Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts) Team Setup \u00b6 Slack Channel \u00b6 On the 17-313Q Slack workspace, create a new private Slack channel that includes all your team members and the CA who is your team mentor. Use this Slack channel to collectively decide on a team name . Your team name should be unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children. Once you have a team name, rename your team Slack channel to #team- . You can use this Slack channel for subsequent project-team related discussions or specialized Q&A with your TA mentors for the rest of the semester. GitHub Repository \u00b6 You will be working on your team repository for this project. Once you have decided on a team name, go to the link below to set up your team: https://classroom.github.com/a/6U8xuKTF Warning After you join a team on GitHub, you cannot change teams! Make sure that only one of you creates the team, and make sure that the remaining teammates join the right team. Once you enter your team name, Github will automatically create a repository for your team. You should then create a Github Project board for your repository (you can follow the steps from the GitHub Exercise or the first recitation). You should use this team repository for all your development, and be sure to use good development practices, including keeping your commits cohesive and your commit messages informative. The same resources mentioned above provide more details on our guidelines. We will be grading you on how well you follow the process we used for Project 1 and utilize this Project board: Create issues for feature improvements or bug-fixes When creating issue, assign team members and tag with appropriate labels Create a pull request and reference the issue it will be resolving Provide feedback to pull requests Use a Kanban board to track your workflow For this project, you will create issues or pull requests directly in your team repository . We will use your commit history and issue/pull request activity on Github to assess both your teamwork process and each member\u2019s individual contributions towards the project. It is not acceptable for one person to commit all the work after synchronizing through other means. For each code-based deliverable, we will look at a snapshot of your repository at the deadline. This will often be done by asking you for a screenshot or commit link submitted via Gradescope. Teamwork Self-Assessment \u00b6 As the course moves into team-based projects, we will be releasing weekly self-assessments on Gradescope, each worth one participation point. These are meant to be short surveys and should not take more than a few minutes. They are intended to help you reflect on your team's process and prompt you to think about how to improve it. The first one will be released on Thursday, August 31st and due the following Thursday, September 7th (both at 11:59pm). Main Deliverables \u00b6 Teamwork Contract (40 pts) \u00b6 When working with a team, it is important to discuss each team member\u2019s background, and establish common expectations of the team. Miscommunication or the general lack of communication are often the most common causes of team conflict. Team Conflict Example A common conflict in working style is when there are team members who always want to get a headstart on their work, while there are team members who are fine with doing work a few days before the deadline. It causes panic in the former team members, while the latter team members feel frustrated as to why they are being rushed. As such, your first process task of the semester will be creating a teamwork contract with your teammates. It is a 1 - 2 page document containing information that all teammates agree to follow. You should work on the contract with all members present . We recommend that you keep it to around 1 page, 2 page is a hard limit. Additionally, it is more important that you only include statements that the team will adhere to than it is to fulfill the length requirement (quality over quantity!) You do not need to write full sentences (bullet points are okay), but your decisions must be clearly conveyed in the document. You are free to include anything that your team deems necessary, but you should minimally address the following sections: Expectations How much time is each team member expected to be putting into working on projects? Punctuality? How would your team accommodate when unexpected commitments come up for a team member (e.g. interviews, sickness, competitions)? Do accommodate for the fact that project load can get heavier towards the end of the semester. Communication What platform (s) will your team be using to communicate? What\u2019s the expected time to get a response? For any communication platforms you decide on, please test that everyone can receive notifications. We highly recommend using apps (Slack, Discord) over browser-based sites. Meeting Schedule When and how will your team meet? What modality would it be? A strong recommendation would be to set up a recurring 1hr meeting blocked out for the rest of the semester, so that your team does not have to scramble to find a common meeting time each week. Teams that have recurring meetings are generally more successful in the class. Responsibilities How will you divide responsibilities for each project? During meetings, who will be in charge of note taking, organizing & running those meetings? From past courses, we noticed the natural emergence of a project manager in teams, who ensures the project moves towards completion. We highly suggest that you consider how your team would rotate that role amongst team members over the course of the remaining projects. Throughout the semester, we will ask for documentation of your meeting notes, so be sure to keep them organized (we recommend using a shared Drive folder). Equitable Contribution & Conflict Resolution What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? What are the steps to bring up and discuss potential teamwork issues? The first thing the staff will ask the student when they mention that they are facing team issues is if they have followed the steps on their team contract. Feel free to seek the assistance of TA and instructor in drafting this document. Note We will ask you to reference, reflect upon, and refine this document throughout this semester, and we will evaluate your team's process strategies and interactions through what you outline in this contract. Please ensure that everyone on your team thoroughly discusses each of the above sections and agree with the final decisions. Once you have completed the contract itself, have all members sign and date the document as an indicator that all members have read the document and agreed to uphold all outlined items. Then, save the file as a PDF and upload it to Gradescope. Only one team member needs to make the submission; they can then add the rest of the teammates as group members for a group submission. We also highly recommend that you bookmark the teamwork contract in your team\u2019s Slack channel. Project Planning (40 pts) \u00b6 Before your team jumps into development, you must first determine what features to implement. Schedule and hold an initial project planning meeting with your team to complete the steps outlined below. Functional Requirements - User Stories \u00b6 During this meeting, discuss potential functional requirements of this project. Consider what possible use cases may be for this system and what features it should have to fulfill those needs. Then, document these functional requirements in the form of user stories that follow the guidelines discussed in lecture. All of your user stories should be in the format of \"As a [role], I want [function], so that [value]\". You should come up with at least two user stories per student in your group. Formulating User Stories Consider what are the different types of users that will be interacting with your system (your stakeholders) and what features they would want to have that the current NodeBB does not provide. You may want to reference features in existing Q&A systems (e.g. Piazza, Diderot) that may be desirable, or conduct interviews with your peers who could be a potential users of this system. As a team, you should then come up with a prioritization ranking for each user story. The prioritization should be based on two factors Impact : how essential is this user story to the overall functionality of the application to your stakeholders, how beneficial it would be to your stakeholders, and Effort : how much time/effort is required to implement this user story Once you have your list of user stories, create a new GitHub Project board (click into Projects on your team repository). Then create two new columns to the left called \"User Stories\" and \"Backlog\" . At this point in time, you should have \"User Stories\", \"Backlog\", \"To-Do\", \"In Progress\" and \"Done\" , in that order from left to right. Feel free to add more columns if your teams decide that you need them during your development process Add your user stories into the \"User Stories\" column using the \u201c+ Add item\u201d button at the bottom, create draft issues for each of your user stories.In the body of each of these draft issues, provide a brief but concrete justification of its prioritization ranking that your team decided on. You should order all the user stories in this column from highest to lowest priority. Technical Requirements - Issues \u00b6 Now that you have your prioritized list, consider the technical requirements of the various user stories and collectively decide on which one(s) you will be focusing on over the next two sprints. In this project (as like most projects), your team is aiming to maximize the amount of value you are delivering to your stakeholders given your constraints. Your selected user stories should have relatively high priority based on your team's ranking, and you should actively take factors into consideration that may impact your development. Selecting Appropriate User Stories Given the amount of variations in each team's user stories, it's hard to give concrete guideline on the number of user stories that a team needs to tackle. Teams could tackle 1 user story that requires major effort, or a few user stories that each requires lesser effort. In general, we are expecting that user stories be selected given: 2 sprints of 2 weeks each number of team members on your team assumption of 8 hours/week available per individual The course staff is happy to discuss this with your team during OH and we highly recommend you do so if your team is unsure. We will also be providing you with feedback during your first sprint's checkpoint presentation . The feature(s) you plan to implement should not be purely cosmetic or arbitrary. We expect this to be a non-issue as most high priority features to make NodeBB usable in a course environment would require changes that span across the development stack. Note An example of what would not be accepted is a cosmetic feature that only modifies a frontend UI component (i.e. changing the color of the navbar), or just the renaming of a field in the database. You may want to look ahead into parts 2B and 2C to check our specific requirements for your implementation. Convert the feature(s) you decide to implement into technical requirements (i.e. what needs to be developed for this feature to work). Then, break these requirements down into manageable, assignable issues and document them on your Project board by adding them to \u201cBacklog\u201d column. At minimum, these issues should make use of GitHub features like milestones/labels/descriptions to denote: Estimated effort for each task Dependencies among tasks (if any) Initial assignments for team members Milestones to indicate which sprint the issue should be completed in (Sprint 1, Sprint 2, Stretch) Acceptance criteria that describes how you know this task is done - think about how you will test this feature You should actively assign and move these issues across your Kanban board as your team makes progress. A Note on Grading We will not assess how accurately you predicted your development process, nor will we be giving points based on the complexity or quality of your changes. The focus of our evaluations will be on how you decompose the problem, how you respond to unexpected circumstances, and how you analyze and reflect on your experience later on. We will check your development progress at the end of each sprint. Please be proactive in your planning to ensure that you make notable progress in both of your sprints. We highly recommend reading ahead on what our expectations are for the end of each sprint as you plan your milestone goals. Include a link to your GitHub board in your Gradescope submission. If you are unsure about your planned changes, you can ask for feedback from a member of the course staff! Extra Credit (8 pts) \u00b6 Getting to know your colleagues in a friendly context can often lead to more effective collaboration; for example, healthy teams often get lunch together. To incentivize this, we will give your team extra credit for this assignment if you meet for a team bonding experience outside of a working session. You might want to eat together, go out for boba, or hold a board game session. If someone on your team is not feeling well, you may also do a virtual activity such as an online gaming session (Drawphone, Skribbl.io, etc.) or social \"Zoom lunch\". To receive extra credit, share the photo or screenshot of your team activity with your CA mentor by sending it in your team Slack channel before the deadline. We encourage you to do these types of meetings often throughout the semester! Grading \u00b6 To receive full credit for the teamwork contract, we expect: All sections listed above are addressed in a roughly 1-2 page PDF document submitted to Gradescope Document demonstrates a clear process outline that was discussed between and agreed upon by the teammates All group members\u2019 signatures at the end of the document To receive full credit for the project planning, we expect: A GitHub project board linked to your team repository with: A User Story column containing at least two user stories per group member that satisfy the guidelines outlined in the sections above and in lecture A Backlog column containing a series of GitHub issues describing the feature(s) that the team will tackle. Each issue makes use of GitHub features to denote all of the required information listed above","title":"2A Team Process & Planning"},{"location":"projects/P2/1_teamprocess/#project-2a-collaborative-development","text":"","title":"Project 2A: Collaborative Development"},{"location":"projects/P2/1_teamprocess/#deliverables","text":"Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts)","title":"Deliverables"},{"location":"projects/P2/1_teamprocess/#team-setup","text":"","title":"Team Setup"},{"location":"projects/P2/1_teamprocess/#slack-channel","text":"On the 17-313Q Slack workspace, create a new private Slack channel that includes all your team members and the CA who is your team mentor. Use this Slack channel to collectively decide on a team name . Your team name should be unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children. Once you have a team name, rename your team Slack channel to #team- . You can use this Slack channel for subsequent project-team related discussions or specialized Q&A with your TA mentors for the rest of the semester.","title":"Slack Channel"},{"location":"projects/P2/1_teamprocess/#github-repository","text":"You will be working on your team repository for this project. Once you have decided on a team name, go to the link below to set up your team: https://classroom.github.com/a/6U8xuKTF Warning After you join a team on GitHub, you cannot change teams! Make sure that only one of you creates the team, and make sure that the remaining teammates join the right team. Once you enter your team name, Github will automatically create a repository for your team. You should then create a Github Project board for your repository (you can follow the steps from the GitHub Exercise or the first recitation). You should use this team repository for all your development, and be sure to use good development practices, including keeping your commits cohesive and your commit messages informative. The same resources mentioned above provide more details on our guidelines. We will be grading you on how well you follow the process we used for Project 1 and utilize this Project board: Create issues for feature improvements or bug-fixes When creating issue, assign team members and tag with appropriate labels Create a pull request and reference the issue it will be resolving Provide feedback to pull requests Use a Kanban board to track your workflow For this project, you will create issues or pull requests directly in your team repository . We will use your commit history and issue/pull request activity on Github to assess both your teamwork process and each member\u2019s individual contributions towards the project. It is not acceptable for one person to commit all the work after synchronizing through other means. For each code-based deliverable, we will look at a snapshot of your repository at the deadline. This will often be done by asking you for a screenshot or commit link submitted via Gradescope.","title":"GitHub Repository"},{"location":"projects/P2/1_teamprocess/#teamwork-self-assessment","text":"As the course moves into team-based projects, we will be releasing weekly self-assessments on Gradescope, each worth one participation point. These are meant to be short surveys and should not take more than a few minutes. They are intended to help you reflect on your team's process and prompt you to think about how to improve it. The first one will be released on Thursday, August 31st and due the following Thursday, September 7th (both at 11:59pm).","title":"Teamwork Self-Assessment"},{"location":"projects/P2/1_teamprocess/#main-deliverables","text":"","title":"Main Deliverables"},{"location":"projects/P2/1_teamprocess/#teamwork-contract-40-pts","text":"When working with a team, it is important to discuss each team member\u2019s background, and establish common expectations of the team. Miscommunication or the general lack of communication are often the most common causes of team conflict. Team Conflict Example A common conflict in working style is when there are team members who always want to get a headstart on their work, while there are team members who are fine with doing work a few days before the deadline. It causes panic in the former team members, while the latter team members feel frustrated as to why they are being rushed. As such, your first process task of the semester will be creating a teamwork contract with your teammates. It is a 1 - 2 page document containing information that all teammates agree to follow. You should work on the contract with all members present . We recommend that you keep it to around 1 page, 2 page is a hard limit. Additionally, it is more important that you only include statements that the team will adhere to than it is to fulfill the length requirement (quality over quantity!) You do not need to write full sentences (bullet points are okay), but your decisions must be clearly conveyed in the document. You are free to include anything that your team deems necessary, but you should minimally address the following sections: Expectations How much time is each team member expected to be putting into working on projects? Punctuality? How would your team accommodate when unexpected commitments come up for a team member (e.g. interviews, sickness, competitions)? Do accommodate for the fact that project load can get heavier towards the end of the semester. Communication What platform (s) will your team be using to communicate? What\u2019s the expected time to get a response? For any communication platforms you decide on, please test that everyone can receive notifications. We highly recommend using apps (Slack, Discord) over browser-based sites. Meeting Schedule When and how will your team meet? What modality would it be? A strong recommendation would be to set up a recurring 1hr meeting blocked out for the rest of the semester, so that your team does not have to scramble to find a common meeting time each week. Teams that have recurring meetings are generally more successful in the class. Responsibilities How will you divide responsibilities for each project? During meetings, who will be in charge of note taking, organizing & running those meetings? From past courses, we noticed the natural emergence of a project manager in teams, who ensures the project moves towards completion. We highly suggest that you consider how your team would rotate that role amongst team members over the course of the remaining projects. Throughout the semester, we will ask for documentation of your meeting notes, so be sure to keep them organized (we recommend using a shared Drive folder). Equitable Contribution & Conflict Resolution What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? What are the steps to bring up and discuss potential teamwork issues? The first thing the staff will ask the student when they mention that they are facing team issues is if they have followed the steps on their team contract. Feel free to seek the assistance of TA and instructor in drafting this document. Note We will ask you to reference, reflect upon, and refine this document throughout this semester, and we will evaluate your team's process strategies and interactions through what you outline in this contract. Please ensure that everyone on your team thoroughly discusses each of the above sections and agree with the final decisions. Once you have completed the contract itself, have all members sign and date the document as an indicator that all members have read the document and agreed to uphold all outlined items. Then, save the file as a PDF and upload it to Gradescope. Only one team member needs to make the submission; they can then add the rest of the teammates as group members for a group submission. We also highly recommend that you bookmark the teamwork contract in your team\u2019s Slack channel.","title":"Teamwork Contract (40 pts)"},{"location":"projects/P2/1_teamprocess/#project-planning-40-pts","text":"Before your team jumps into development, you must first determine what features to implement. Schedule and hold an initial project planning meeting with your team to complete the steps outlined below.","title":"Project Planning (40 pts)"},{"location":"projects/P2/1_teamprocess/#extra-credit-8-pts","text":"Getting to know your colleagues in a friendly context can often lead to more effective collaboration; for example, healthy teams often get lunch together. To incentivize this, we will give your team extra credit for this assignment if you meet for a team bonding experience outside of a working session. You might want to eat together, go out for boba, or hold a board game session. If someone on your team is not feeling well, you may also do a virtual activity such as an online gaming session (Drawphone, Skribbl.io, etc.) or social \"Zoom lunch\". To receive extra credit, share the photo or screenshot of your team activity with your CA mentor by sending it in your team Slack channel before the deadline. We encourage you to do these types of meetings often throughout the semester!","title":"Extra Credit (8 pts)"},{"location":"projects/P2/1_teamprocess/#grading","text":"To receive full credit for the teamwork contract, we expect: All sections listed above are addressed in a roughly 1-2 page PDF document submitted to Gradescope Document demonstrates a clear process outline that was discussed between and agreed upon by the teammates All group members\u2019 signatures at the end of the document To receive full credit for the project planning, we expect: A GitHub project board linked to your team repository with: A User Story column containing at least two user stories per group member that satisfy the guidelines outlined in the sections above and in lecture A Backlog column containing a series of GitHub issues describing the feature(s) that the team will tackle. Each issue makes use of GitHub features to denote all of the required information listed above","title":"Grading"},{"location":"projects/P2/2_firstsprint/","text":"Project 2B: Collaborative Development \u00b6 Deliverables \u00b6 First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st Process & Implementation Interim (50 pts) \u00b6 Start by cloning the team repository and merging your individual changes from Project 1 into your team repository using proper git flow. You may also delete the hw1.yaml workflow found in .github/workflows . Once everyone has properly set up the repository on their local machines and committed their changes, you can now start development. What if I did not successfully translate my file in Project 1? If you do not need to modify that file in order to implement your team's feature, then you do not need to merge your file into your repository. You will not be penalized for not merging in your Project 1 file. You should follow best practices for collaborative development such as using feature branches, pull requests, and code review. Individual changes should be committed to properly named branches for each core feature being implemented and make use of pull requests to merge changes together. Be sure to review each other\u2019s code - both from a quality assurance standpoint, but also so you have a better understanding of the codebase. Although code reviews can be done asynchronously, we encourage the first few to be done synchronously so you can discuss the changes with your teammates and learn more about the codebase. To fit with the translation efforts described in Project 1, any new code introduced to the codebase should be in TypeScript . This does mean that you may need to translate existing files to fulfill this requirement. Using Translations from Project 1 Most of the existing files should have been translated by your classmates in Project 1! Feel free to reference their translations for your own uses - for citation purposes, include a short comment at the top of your file that cites the original translator and a link to where you found the translation, for example: // Referenced @student\u2019s TypeScript translation from P1: [PR link] Every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there. Checkpoint Presentation (50 pts) \u00b6 During the Week 5 recitation slot ( Thursday September 21st ), your group will give a 7-minute presentation describing your current progress, followed by a short 1-2 minute Q&A session where you can get feedback from the CAs and your peers. Your slides should include the following information (the recommended slides amount is in parentheses): Title Slide (1 slide) Include your team name & the names of each team member Project Planning (~1-2 slides) What user stories did your team choose to focus on? What feature(s) did you plan on implementing to fulfill them? Development Progress (~1-2 slides per person) What have you changed so far? How did you test your changes? What have you learned about the codebase? How does this compare with your original milestone goals? If your team did not meet your goals, why? Each team member should describe the contributions they made. In this section, you must include a video demo of your current progress; if you were not able to make a working build, include screenshots that show your current progress and clearly explain what factors impeded your progress. Process Overview (~1-2 slides) What process strategies (i.e. meeting frequency, code reviews) did your team use for the first sprint? Was it effective? Did you encounter any difficulties or have to make any changes? Looking Ahead (~2-4 slides) What are some current risks and/or questions that your team has after completing the first sprint? Has your experience with the first sprint affected your planning of the second sprint? Do you need to rescope? Do you need to reevaluate your process? If you did not meet your development goals, you should outline what you plan to proactively change for this upcoming sprint. A Note on Participation Participation from all team members during the presentation is required. If you are unable to attend in-person, send a Slack message to the course staff with justifications at least 24 hours before the start of the recitation . You will then be permitted to present by submitting a recording of your segment of the presentation, which your teammate will play during the presentation. The presentation slides should be exported into a PDF and submitted to Gradescope by the Thursday deadline. Grading \u00b6 To receive full credit for the implementation, we expect: Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the current progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits To receive full credit for the presentation, we expect: All team members to be present for the presentation (or have contacted the instructor ahead of time to request an absence) and to contribute towards presenting their team\u2019s progress All of the material described above covered in the presentation PDF Slides uploaded to Gradescope for grading & feedback Resources & Documentation \u00b6 NodeBB Development \u00b6 We highly recommend that, before starting development, you take the time to analyze the codebase with your team using the code archaeology techniques you have learned. One good place to start is determining where the MVC (or frontend/middleware/backend) split is and trying to make a small change in each section. You will find some resources to help you with development in the README of the NodeBB repository. Here are a few specific links to get you started: NodeBB Documentation Frontend Development: Benchpress Documentation Bootstrap 3 Documentation Server Development: Node.js Documentation Database/Backend: Redis Documentation Redis CLI","title":"2B First Sprint"},{"location":"projects/P2/2_firstsprint/#project-2b-collaborative-development","text":"","title":"Project 2B: Collaborative Development"},{"location":"projects/P2/2_firstsprint/#deliverables","text":"First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st","title":"Deliverables"},{"location":"projects/P2/2_firstsprint/#process-implementation-interim-50-pts","text":"Start by cloning the team repository and merging your individual changes from Project 1 into your team repository using proper git flow. You may also delete the hw1.yaml workflow found in .github/workflows . Once everyone has properly set up the repository on their local machines and committed their changes, you can now start development. What if I did not successfully translate my file in Project 1? If you do not need to modify that file in order to implement your team's feature, then you do not need to merge your file into your repository. You will not be penalized for not merging in your Project 1 file. You should follow best practices for collaborative development such as using feature branches, pull requests, and code review. Individual changes should be committed to properly named branches for each core feature being implemented and make use of pull requests to merge changes together. Be sure to review each other\u2019s code - both from a quality assurance standpoint, but also so you have a better understanding of the codebase. Although code reviews can be done asynchronously, we encourage the first few to be done synchronously so you can discuss the changes with your teammates and learn more about the codebase. To fit with the translation efforts described in Project 1, any new code introduced to the codebase should be in TypeScript . This does mean that you may need to translate existing files to fulfill this requirement. Using Translations from Project 1 Most of the existing files should have been translated by your classmates in Project 1! Feel free to reference their translations for your own uses - for citation purposes, include a short comment at the top of your file that cites the original translator and a link to where you found the translation, for example: // Referenced @student\u2019s TypeScript translation from P1: [PR link] Every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.","title":"Process & Implementation Interim (50 pts)"},{"location":"projects/P2/2_firstsprint/#checkpoint-presentation-50-pts","text":"During the Week 5 recitation slot ( Thursday September 21st ), your group will give a 7-minute presentation describing your current progress, followed by a short 1-2 minute Q&A session where you can get feedback from the CAs and your peers. Your slides should include the following information (the recommended slides amount is in parentheses): Title Slide (1 slide) Include your team name & the names of each team member Project Planning (~1-2 slides) What user stories did your team choose to focus on? What feature(s) did you plan on implementing to fulfill them? Development Progress (~1-2 slides per person) What have you changed so far? How did you test your changes? What have you learned about the codebase? How does this compare with your original milestone goals? If your team did not meet your goals, why? Each team member should describe the contributions they made. In this section, you must include a video demo of your current progress; if you were not able to make a working build, include screenshots that show your current progress and clearly explain what factors impeded your progress. Process Overview (~1-2 slides) What process strategies (i.e. meeting frequency, code reviews) did your team use for the first sprint? Was it effective? Did you encounter any difficulties or have to make any changes? Looking Ahead (~2-4 slides) What are some current risks and/or questions that your team has after completing the first sprint? Has your experience with the first sprint affected your planning of the second sprint? Do you need to rescope? Do you need to reevaluate your process? If you did not meet your development goals, you should outline what you plan to proactively change for this upcoming sprint. A Note on Participation Participation from all team members during the presentation is required. If you are unable to attend in-person, send a Slack message to the course staff with justifications at least 24 hours before the start of the recitation . You will then be permitted to present by submitting a recording of your segment of the presentation, which your teammate will play during the presentation. The presentation slides should be exported into a PDF and submitted to Gradescope by the Thursday deadline.","title":"Checkpoint Presentation (50 pts)"},{"location":"projects/P2/2_firstsprint/#grading","text":"To receive full credit for the implementation, we expect: Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the current progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits To receive full credit for the presentation, we expect: All team members to be present for the presentation (or have contacted the instructor ahead of time to request an absence) and to contribute towards presenting their team\u2019s progress All of the material described above covered in the presentation PDF Slides uploaded to Gradescope for grading & feedback","title":"Grading"},{"location":"projects/P2/2_firstsprint/#resources-documentation","text":"","title":"Resources & Documentation"},{"location":"projects/P2/2_firstsprint/#nodebb-development","text":"We highly recommend that, before starting development, you take the time to analyze the codebase with your team using the code archaeology techniques you have learned. One good place to start is determining where the MVC (or frontend/middleware/backend) split is and trying to make a small change in each section. You will find some resources to help you with development in the README of the NodeBB repository. Here are a few specific links to get you started: NodeBB Documentation Frontend Development: Benchpress Documentation Bootstrap 3 Documentation Server Development: Node.js Documentation Database/Backend: Redis Documentation Redis CLI","title":"NodeBB Development"},{"location":"projects/P2/3_secondsprint/","text":"Project 2C: Collaborative Development \u00b6 Deliverables \u00b6 Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Process & Team Reflection (50 pts) Individual Reflection (30 pts) Process & Implementation Final (60 pts) \u00b6 Continue working on the implementation of your feature(s). Be sure to continue following best practices for collaborative development similar to the previous sprint. As you become more familiar with the codebase, we have higher expectations for the final deliverables of this sprint. Specifically, along with your feature changes, we expect to see: Automated Tests Add tests to the test suite that demonstrate the functionalities you implemented These should follow the acceptance criteria you set from the initial planning User Documentation Create a new file UserGuide.md in the root directory of your repository In this file, provide a detailed outline of how to use and user test your new feature(s) You should also provide a link/description of where your added automated tests can be found, along with a description of what is being tested and why you believe the tests are sufficient for covering the changes that you have made GitHub Actions GitHub Actions should be enabled. It is reasonable to have failures in feature branches, but you should do your best to make your main branch build consistently pass. As with the first sprint, every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there. Process & Team Reflection (50 pts) \u00b6 After coding is complete, reflect on your experience as a team. Again, we look for honest reflection, which will likely include reflection on failures. We will not grade whether you predicted the effort correctly, but rather what you have learned . You will see the following groups of questions on Gradescope. We recommend that your team use collaborative text editing tools like Google Docs to draft your answers, then submit your final answers to Gradescope. Actual Schedule: Document the actual schedule of your development process into either an organized list or table. You should include all of the tasks that each team member actually performed and the approximate amount of time each took. Your commit history and other documentation should help you with this. Schedule Deviations: Reflect on the differences between your planned and actual schedule, and answer the following questions: Which milestones were predicted correctly and what was re-planned? Was there anything you did not plan for initially or that you had to drop in the end? What were the reasons for the above changes and could they have been foreseen with better planning? Development Process: Reflect on the process (specifically, the steps each team member took to contribute to the codebase) you followed during the project, and answer the following questions: What was the process you initially planned to follow? What was the process you actually followed? Was the process effective? Why or why not? Did you skip steps or adopt additional techniques during the project? What were they and why did you do so? Meeting Minutes: Attach all meeting minutes kept throughout the project, which should include information about the agenda/topics discussed, decisions made, and work assignments. Team Experience: Reflect on your experience working as a team. You should discuss as a team on the aspects of communication, scheduling, responsibilities and equitable contributions. Answer the following points by providing at least three actions that your team will take to improve in the future (feel free to have more than one in category and zero in another, they should just add up to three): What should your team keep doing? What worked well, and why? What should your team start doing? What didn't work so well, and why? What will you do differently? What should your team stop doing? What are some bad habits that your team should avoid in the future and why? Support your claims You should reference your meeting minutes to support your claims and provide examples. A weakly supported statement would be as follows: \u201cWe will communicate better, because miscommunication caused issues\" You should support your statements with examples from the development experience. For example: \"In the future, we will try to use [such-and-such a process] for clearly documenting and communicating such design decisions, rather than [the process we did follow/failed to follow]. One of our [main challenges/development slowdown/quality problems] was the integration of components A and B, because the API for A was not well-understood by the developer of B. \" Teamwork Contract: Based on the process and team reflection above, update your teamwork contract. Did you encounter any issues or unexpected experiences that your original contract did not foresee? Feel free to add in any other clauses if necessary to your team contract. Upload your new teamwork contract (be sure to sign and date it), and highlight the changes you made in yellow. Being able to communicate effectively is an important software engineering skill. As such, your reflection should be well-written and easy to read. Be sure to leave time after writing for revision and proofreading. Reflection Grading One of the main purposes of this project is to encourage in-depth analysis of the reasons for good or bad time estimation, scheduling, and teamwork coordination. Doing poorly in these is not unusual (as numerous reports from real-life projects show). We will not evaluate how well (or badly) the project went, but instead how well you understood the reasons why the project went as it did, and what lessons you drew from your experience to inform your future work. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support the claims. Individual Reflection (30 pts) \u00b6 In addition to the team reflection, you will also be submitting an individual reflection on Gradescope. We want you to connect this project's experience with your previous experience with collaborative development. Your previous experience may be from an academic or non-academic setting, such as internships, hackathons, or personal projects. Your reflection should address the following questions (and sub-questions): What previous collaborative projects have you done before? How does this project experience compare with your previous experience? What was similar and what was different? What did you personally learn from this project\u2019s development process? Process here refers to the steps you took to contribute to the codebase. What did you think worked well? What did you think did not work well? Was there anything unexpected? What did you learn about working in a team? What did you learn about yourself? What did you learn about working with others? What are you planning to do differently or improve upon in your future projects? What would you like to keep doing? Provide at least one concrete action that you plan on acting upon in the next project. Similar to the team reflection task, we will grade the quality and depth of your reflection. Grading \u00b6 To receive full credit for the implementation, we expect: Progress from Interim Snapshot Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the final progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits Additional Requirements for Final Submission Automated test cases for the implemented functionalities GitHub Actions running on the repository and passing on the main branch Created UserGuide.md file containing user documentation of the new feature that fulfills the guidelines given above A functional new feature that works when following the steps in UserGuide.md . Note that we aren't expecting the feature to be bug free, but it should work under general expected usage. To receive full credit for the process and team reflections, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between the planned and the actual schedule An analysis beyond mere descriptions and superficial statements, including supporting evidence for claims, that reflects on the causes of deviations, conflicts, and so forth, or your own experience Inclusion of meeting minutes(s) that adequately demonstrate your team\u2019s meeting process At least three concrete actions with that your team will either start, stop, or keep doing in the future, with proper justification and supporting evidence To receive full credit for the individual reflection, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between current and previous experience A reflection on the development process, including what worked well and what did not work well A reflection on working in a team, with learnings about self and working with others At least one concrete action that you will act upon in the future, with proper justification and supporting evidence Resources & Documentation \u00b6 NodeBB Development \u00b6 By now, you should be familiar enough with the codebase to finish making the remainder of your changes. The additional focus of this second sprint is on testing your code; hence, documentation related to the testing framework will be very helpful. As with before, you will find some resources to help you with development in the README of the NodeBB repository. You will now want to check the testing section for resources on the Mocha test framework: Mocha Documentation Everything from the \"Getting Started\" section and below is documentation on how the framework works. You can also reference existing tests!","title":"2C Second Sprint"},{"location":"projects/P2/3_secondsprint/#project-2c-collaborative-development","text":"","title":"Project 2C: Collaborative Development"},{"location":"projects/P2/3_secondsprint/#deliverables","text":"Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Process & Team Reflection (50 pts) Individual Reflection (30 pts)","title":"Deliverables"},{"location":"projects/P2/3_secondsprint/#process-implementation-final-60-pts","text":"Continue working on the implementation of your feature(s). Be sure to continue following best practices for collaborative development similar to the previous sprint. As you become more familiar with the codebase, we have higher expectations for the final deliverables of this sprint. Specifically, along with your feature changes, we expect to see: Automated Tests Add tests to the test suite that demonstrate the functionalities you implemented These should follow the acceptance criteria you set from the initial planning User Documentation Create a new file UserGuide.md in the root directory of your repository In this file, provide a detailed outline of how to use and user test your new feature(s) You should also provide a link/description of where your added automated tests can be found, along with a description of what is being tested and why you believe the tests are sufficient for covering the changes that you have made GitHub Actions GitHub Actions should be enabled. It is reasonable to have failures in feature branches, but you should do your best to make your main branch build consistently pass. As with the first sprint, every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.","title":"Process & Implementation Final (60 pts)"},{"location":"projects/P2/3_secondsprint/#process-team-reflection-50-pts","text":"After coding is complete, reflect on your experience as a team. Again, we look for honest reflection, which will likely include reflection on failures. We will not grade whether you predicted the effort correctly, but rather what you have learned . You will see the following groups of questions on Gradescope. We recommend that your team use collaborative text editing tools like Google Docs to draft your answers, then submit your final answers to Gradescope. Actual Schedule: Document the actual schedule of your development process into either an organized list or table. You should include all of the tasks that each team member actually performed and the approximate amount of time each took. Your commit history and other documentation should help you with this. Schedule Deviations: Reflect on the differences between your planned and actual schedule, and answer the following questions: Which milestones were predicted correctly and what was re-planned? Was there anything you did not plan for initially or that you had to drop in the end? What were the reasons for the above changes and could they have been foreseen with better planning? Development Process: Reflect on the process (specifically, the steps each team member took to contribute to the codebase) you followed during the project, and answer the following questions: What was the process you initially planned to follow? What was the process you actually followed? Was the process effective? Why or why not? Did you skip steps or adopt additional techniques during the project? What were they and why did you do so? Meeting Minutes: Attach all meeting minutes kept throughout the project, which should include information about the agenda/topics discussed, decisions made, and work assignments. Team Experience: Reflect on your experience working as a team. You should discuss as a team on the aspects of communication, scheduling, responsibilities and equitable contributions. Answer the following points by providing at least three actions that your team will take to improve in the future (feel free to have more than one in category and zero in another, they should just add up to three): What should your team keep doing? What worked well, and why? What should your team start doing? What didn't work so well, and why? What will you do differently? What should your team stop doing? What are some bad habits that your team should avoid in the future and why? Support your claims You should reference your meeting minutes to support your claims and provide examples. A weakly supported statement would be as follows: \u201cWe will communicate better, because miscommunication caused issues\" You should support your statements with examples from the development experience. For example: \"In the future, we will try to use [such-and-such a process] for clearly documenting and communicating such design decisions, rather than [the process we did follow/failed to follow]. One of our [main challenges/development slowdown/quality problems] was the integration of components A and B, because the API for A was not well-understood by the developer of B. \" Teamwork Contract: Based on the process and team reflection above, update your teamwork contract. Did you encounter any issues or unexpected experiences that your original contract did not foresee? Feel free to add in any other clauses if necessary to your team contract. Upload your new teamwork contract (be sure to sign and date it), and highlight the changes you made in yellow. Being able to communicate effectively is an important software engineering skill. As such, your reflection should be well-written and easy to read. Be sure to leave time after writing for revision and proofreading. Reflection Grading One of the main purposes of this project is to encourage in-depth analysis of the reasons for good or bad time estimation, scheduling, and teamwork coordination. Doing poorly in these is not unusual (as numerous reports from real-life projects show). We will not evaluate how well (or badly) the project went, but instead how well you understood the reasons why the project went as it did, and what lessons you drew from your experience to inform your future work. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support the claims.","title":"Process & Team Reflection (50 pts)"},{"location":"projects/P2/3_secondsprint/#individual-reflection-30-pts","text":"In addition to the team reflection, you will also be submitting an individual reflection on Gradescope. We want you to connect this project's experience with your previous experience with collaborative development. Your previous experience may be from an academic or non-academic setting, such as internships, hackathons, or personal projects. Your reflection should address the following questions (and sub-questions): What previous collaborative projects have you done before? How does this project experience compare with your previous experience? What was similar and what was different? What did you personally learn from this project\u2019s development process? Process here refers to the steps you took to contribute to the codebase. What did you think worked well? What did you think did not work well? Was there anything unexpected? What did you learn about working in a team? What did you learn about yourself? What did you learn about working with others? What are you planning to do differently or improve upon in your future projects? What would you like to keep doing? Provide at least one concrete action that you plan on acting upon in the next project. Similar to the team reflection task, we will grade the quality and depth of your reflection.","title":"Individual Reflection (30 pts)"},{"location":"projects/P2/3_secondsprint/#grading","text":"To receive full credit for the implementation, we expect: Progress from Interim Snapshot Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the final progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits Additional Requirements for Final Submission Automated test cases for the implemented functionalities GitHub Actions running on the repository and passing on the main branch Created UserGuide.md file containing user documentation of the new feature that fulfills the guidelines given above A functional new feature that works when following the steps in UserGuide.md . Note that we aren't expecting the feature to be bug free, but it should work under general expected usage. To receive full credit for the process and team reflections, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between the planned and the actual schedule An analysis beyond mere descriptions and superficial statements, including supporting evidence for claims, that reflects on the causes of deviations, conflicts, and so forth, or your own experience Inclusion of meeting minutes(s) that adequately demonstrate your team\u2019s meeting process At least three concrete actions with that your team will either start, stop, or keep doing in the future, with proper justification and supporting evidence To receive full credit for the individual reflection, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between current and previous experience A reflection on the development process, including what worked well and what did not work well A reflection on working in a team, with learnings about self and working with others At least one concrete action that you will act upon in the future, with proper justification and supporting evidence","title":"Grading"},{"location":"projects/P2/3_secondsprint/#resources-documentation","text":"","title":"Resources & Documentation"},{"location":"projects/P2/3_secondsprint/#nodebb-development","text":"By now, you should be familiar enough with the codebase to finish making the remainder of your changes. The additional focus of this second sprint is on testing your code; hence, documentation related to the testing framework will be very helpful. As with before, you will find some resources to help you with development in the README of the NodeBB repository. You will now want to check the testing section for resources on the Mocha test framework: Mocha Documentation Everything from the \"Getting Started\" section and below is documentation on how the framework works. You can also reference existing tests!","title":"NodeBB Development"},{"location":"projects/P3/","text":"Project 3: Continuous Integration + Deployment \u00b6 Learning Goals \u00b6 Learn how to deploy a full-stack application Gain hands-on experience with analysis tools, including setting up, customizing, and using them Practically assess and compare the costs and benefits of existing static and dynamic bug-finding tools Integrate CI/CD tools into development practice Project Context \u00b6 Adding continuous integration for quality assurance is a critical part of software development. Although you have been testing your new system this whole time, you are now setting out to establish sustained practices that can be used moving forward as you iterate over and continue to improve your system. Your manager has assigned you two major tasks. Firstly, establishing a deployment pipeline to create a test version of the website that can be sent to beta testers who have little to no experience with code development (and therefore can not set up the developer environment by themselves). Secondly, evaluating existing tools and practices beyond simple linting or unit testing, then producing a report on the cost/benefit tradeoffs and risks of them. You will also select and integrate one (or more!) of these tools into your development process. Deliverables and Deadlines \u00b6 There are two (2) deadlines for this project. This project is worth a total of 120 points. Checkpoint Deliverables \u2013 35 points \u2013 due Sunday, October 22, 11:59pm Deployed Application (25 pts) Tools Checkpoint (10 pts) Final Deliverables \u2013 65 points \u2013 due Sunday, October 29, 11:59pm Tool Analysis Design Doc (50 pts) Tool Integration (15 pts) Extra Credit (Individual) - 6 points - due Sunday, October 29, 11:59pm Feature Review (6 pts) Work Distribution There are two main focuses in this project: deployment and static/dynamic analysis. For the purposes of equitable distribution of labor, we recommend that you nominate one of your members to act as the SRE for this assignment who will be primarily responsible for deployment, and have all other teammates focus on tool research and integration. Checkpoint Deliverables \u00b6 Deployed Application (25 pts) \u00b6 Your team will be using Google Cloud Platform for the deployment of the NodeBB application. Further instructions on how to deploy can be found here . Once you have successfully deployed your website, make sure to test within your team to ensure that your added feature(s) from Project 2 are properly integrated. By the checkpoint deadline you should Submit a link to the deployed site onto Gradescope Add your deployed site to this public spreadsheet , alongside your team name & UserGuide.md (as a link to the file on GitHub) that your team submitted for Project 2. This will be used in Feature Review for extra credit. Tools Checkpoint (10 pts) \u00b6 Before jumping into tool integration, your manager would like you to research what existing analysis tools are out there that can be used with NodeBB. You will evaluate the tools, and eventually document your findings in a design document for your final deliverable. First, identify and experiment with at least N-1 potential static and dynamic analysis tools that are applicable to your system, where N is the number of people in your team. We provide a starter list of tools in the resources section below to help you get started, but you are not limited to these tools. In your selection of tools, you should have at least one static analysis tool have at least one dynamic analysis tool have at least one tool that is not from our starter list not use any of the existing tools within NodeBB as part of your analysis (mocha/ESLint/TSLint) For each tool that you assess Create a separate testing branch in your repository (named appropriately for the tool you\u2019re testing) to integrate the tool into your project and test out its capabilities Create a pull request to the main branch from each of these testing branches. The PR should have Concrete evidence that you had successfully installed the tool through trackable file changes demonstrating that extra files/NPM packages were installed. Artifacts that demonstrate that you have successfully run the tool on your repository. Acceptable artifacts include output files generated by the tool, or a text file containing the terminal output from the tool; you may also attach screenshots as additional pieces of evidence. They can be attached to the Pull Request in either the description or follow-up comments. Grading Note We will not be grading the quality or quantity of any code you put into these testing branches/PRs, just the evidence that you have successfully installed and run the tool. In your evaluations, consider & experiment with the types of customization that are appropriate or necessary for this tool, both a priori (before they can be used in your project) and over time. Assess the strengths and weaknesses of each tool/technique, both quantitatively and qualitatively. Consider some of the following questions: What types of problems are you hoping your tooling will catch? What types of problems does this particular tool catch? What types of customization are possible or necessary? How can/should this tool be integrated into a development process? Are there many false positives? False negatives? True positive reports about things you don\u2019t care about? Tool Evaluation There are a lot of different factors to consider when evaluating a tool. We recommend discussing with your teammates and deciding on a group of metrics to focus on when performing evaluations. Time Management Don\u2019t spend too long for this checkpoint. Set deadlines within your team to ensure that you have enough time for both the design document and integration deliverables described below for the final deadline. By the checkpoint deadline, your team will submit your initial list of the N-1 tools that your team plans on exploring, and links to the PRs that demonstrate that you have successfully installed and run each of these tools Final Deliverables \u00b6 Tool Analysis Design Doc (50 pts) \u00b6 Create a Design Document/RFC that includes: A tools evaluations section detailing your team\u2019s analysis on each of the tools you experimented with A justification section explaining which tool(s) you think the project should use moving forward An integration section describing how the selected tool(s) shall be integrated into your process A conclusion section summarizing your work Below, we provide more detailed instructions and page limit recommendations for each of the sections. Tool Evaluations (~N pages) \u00b6 For each of the N-1 tools explored by your team, you must provide: Name and high-level description of what the tool does and a link to its documentation/source Whether the tool is used for static or dynamic analysis A link to the pull request made from the testing branch for this tool A pro/con analysis of the tool and appropriate evidence in the form of screenshots to support your claims. You can use the questions provided in the research you did for the checkpoint to shape your analysis. Each of these sections should take up approximately 1 page (including screenshots) and no more than 2 pages. Justification (~Half a page) \u00b6 After going through each of the tools, you should explicitly state the tool(s) you are choosing to integrate for this project and provide a justification for why you are selecting this tool. You should refer to the pro/con analysis done in the prior sections and how they align with the goals of your team and the project overall. You must recommend at least one tool , even if it\u2019s with reservations. Integration (<1 page) \u00b6 This section should address the different factors to take into consideration when integrating a new tool. At minimum, you should address the following: Technical Questions How are you integrating the tool (high-level)? At what point in the development/deployment process shall it be integrated? What sorts of customization or configuration will you be using? If you added any specific configuration to allow the main branch of your repository to pass its status checks, add the justification for those decisions in this section. Social Integration Questions How do you foresee the team using the tool during their development process? Consider the incentives & deterrents to the developers when it comes to using the tool, and their personal motivation to use it. Your answers should be based on your experiences running the tools on your team repository and be grounded in data from your research on different factors such as tool usability, output, and customizability. Keep this section updated as you work on implementing the integration. Conclusion (<1 page) \u00b6 In this section, provide a brief summary of your findings along with items that were not addressed in the previous sections. Are there any open questions? Are there any issues you consider to be out of scope? What drawbacks of the proposed process/tooling are you accepting for some (good) reason? This section should be used to wrap everything up and ensure you have a good/complete design document! Submit the Design Document as a single PDF to Gradescope. Tool Integration (15 pts) \u00b6 Once you have a tool selected along with a general integration plan, you should fully integrate one of the tools into your project\u2019s workflow. For your checkpoint research, you should have successfully run this tool locally; you should then create a new workflow within the project to run it as part of the development cycle. Your team should discuss: How often should this new integration be run (on each pull request? on commits to main?) What level of customization is needed for this tool? How should the integration of this tool be enforced? This configuration must have been justified in your design document under the Integration section. To be considered successfully integrated, the tool must: Be merged into your main branch Have been run at least once in the Git flow cycle (i.e. either during the pull request, merge, or commit stage). Pass when run on your codebase. This is indicated by having a green checkmark. Ensuring Passing Checks In order to ensure your checks pass successfully, you may have to make additional changes to your repository, such as fixing reported issues or tweaking tool configuration. These changes should be documented and addressed in your design document. Continually failing builds show you have not completely integrated the tool into your workflow. On Gradescope, submit a link to your repository and a link to one of the successful GitHub Action runs. Extra Credit \u00b6 Now that you and your classmates have deployed your applications, you will be able to test out each other\u2019s features and provide constructive feedback on your experience and how to improve them! Take this as an opportunity to learn about what your classmates have been working on for the past few weeks. Note that this is an individual task, unlike the rest of project. Feature Review (6 pts) \u00b6 For extra credit, you will conduct reviews of features developed by three other teams' project. Pick three teams's deployment from the public spreadsheet to review. For each team, you will submit a review of their feature(s). You will need to test the feature(s) as described in their UserGuide and provide feedback on the following: How was the experience of using the feature(s), would this be something you think would help enable better communication between faculty and students and why? How do you think the feature can be improved? and/or What do you think the feature did well in? Did you discover any bugs using the feature(s)? To qualify for extra credit, you will have to submit your review: on Gradescope in the appropriate sheet in the public spreadsheet . There should be one sheet per team, and you should add your review to the sheet for the team you are reviewing. Grading \u00b6 To receive full credit for the checkpoint, we expect: A link to your successfully deployed web application for your team repository A list of N-1 different static and dynamic analysis tools, where N is the number of members on your team. This list must satisfy all the following criteria: Contain at least one static analysis tool Contain at least one dynamic analysis tool Contain at least one tool not on our starter list of tools Links to N-1 pull requests for each of the selected tools containing evidence of the tool being run at least once on your repository To receive full credit for the final deadline, we expect: A design document describing your research into each of the potential tools, justification for your selection of integrated tool(s), and your final integration plan A link to a successful run of a GitHub Action that demonstrates your integration of your selected tool(s) into your team workflow To receive full credit for the extra credit, we expect: Your review of three different teams' features on Gradescope and on the public spreadsheet , addressing the three questions described. Resources & Documentation \u00b6 Starter List of Tools \u00b6 NodeBB is built in Javascript/Typescript using Node.js and uses Benchpress for its frontend templating. Below are non-exhaustive lists of analysis tools that are available. For other resources, Awesome Static Analysis page and Awesome Dynamic Analysis page have extensive listings of available static and dynamic analysis tools for a pretty hefty list of programming languages. Some of the tools already have existing GitHub Actions workflows on GitHub Marketplace; use your Googling skills, and see what you find! Static Tools \u00b6 flow : Static type checker for JavaScript JScent : Program analyzer for detecting \u201ccode smells\u201d JSHint : Used to flag suspicious usage in JavaScript programs StandardJS / ts-standard : Static analysis tool for code quality within JavaScript/TypeScript projects Retire.js : Finds library/node module vulnerabilities within your project Dynamic Tools \u00b6 Iroh : Runtime code tracking and visualization Jalangi : Framework for dynamic analyses in JavaScript Fast-Fuzz : Fuzzing framework for TypeScript Stryker Mutator : Mutation testing tool for JavaScript","title":"Project 3: Continuous Integration + Deployment"},{"location":"projects/P3/#project-3-continuous-integration-deployment","text":"","title":"Project 3: Continuous Integration + Deployment"},{"location":"projects/P3/#learning-goals","text":"Learn how to deploy a full-stack application Gain hands-on experience with analysis tools, including setting up, customizing, and using them Practically assess and compare the costs and benefits of existing static and dynamic bug-finding tools Integrate CI/CD tools into development practice","title":"Learning Goals"},{"location":"projects/P3/#project-context","text":"Adding continuous integration for quality assurance is a critical part of software development. Although you have been testing your new system this whole time, you are now setting out to establish sustained practices that can be used moving forward as you iterate over and continue to improve your system. Your manager has assigned you two major tasks. Firstly, establishing a deployment pipeline to create a test version of the website that can be sent to beta testers who have little to no experience with code development (and therefore can not set up the developer environment by themselves). Secondly, evaluating existing tools and practices beyond simple linting or unit testing, then producing a report on the cost/benefit tradeoffs and risks of them. You will also select and integrate one (or more!) of these tools into your development process.","title":"Project Context"},{"location":"projects/P3/#deliverables-and-deadlines","text":"There are two (2) deadlines for this project. This project is worth a total of 120 points. Checkpoint Deliverables \u2013 35 points \u2013 due Sunday, October 22, 11:59pm Deployed Application (25 pts) Tools Checkpoint (10 pts) Final Deliverables \u2013 65 points \u2013 due Sunday, October 29, 11:59pm Tool Analysis Design Doc (50 pts) Tool Integration (15 pts) Extra Credit (Individual) - 6 points - due Sunday, October 29, 11:59pm Feature Review (6 pts) Work Distribution There are two main focuses in this project: deployment and static/dynamic analysis. For the purposes of equitable distribution of labor, we recommend that you nominate one of your members to act as the SRE for this assignment who will be primarily responsible for deployment, and have all other teammates focus on tool research and integration.","title":"Deliverables and Deadlines"},{"location":"projects/P3/#checkpoint-deliverables","text":"","title":"Checkpoint Deliverables"},{"location":"projects/P3/#deployed-application-25-pts","text":"Your team will be using Google Cloud Platform for the deployment of the NodeBB application. Further instructions on how to deploy can be found here . Once you have successfully deployed your website, make sure to test within your team to ensure that your added feature(s) from Project 2 are properly integrated. By the checkpoint deadline you should Submit a link to the deployed site onto Gradescope Add your deployed site to this public spreadsheet , alongside your team name & UserGuide.md (as a link to the file on GitHub) that your team submitted for Project 2. This will be used in Feature Review for extra credit.","title":"Deployed Application (25 pts)"},{"location":"projects/P3/#tools-checkpoint-10-pts","text":"Before jumping into tool integration, your manager would like you to research what existing analysis tools are out there that can be used with NodeBB. You will evaluate the tools, and eventually document your findings in a design document for your final deliverable. First, identify and experiment with at least N-1 potential static and dynamic analysis tools that are applicable to your system, where N is the number of people in your team. We provide a starter list of tools in the resources section below to help you get started, but you are not limited to these tools. In your selection of tools, you should have at least one static analysis tool have at least one dynamic analysis tool have at least one tool that is not from our starter list not use any of the existing tools within NodeBB as part of your analysis (mocha/ESLint/TSLint) For each tool that you assess Create a separate testing branch in your repository (named appropriately for the tool you\u2019re testing) to integrate the tool into your project and test out its capabilities Create a pull request to the main branch from each of these testing branches. The PR should have Concrete evidence that you had successfully installed the tool through trackable file changes demonstrating that extra files/NPM packages were installed. Artifacts that demonstrate that you have successfully run the tool on your repository. Acceptable artifacts include output files generated by the tool, or a text file containing the terminal output from the tool; you may also attach screenshots as additional pieces of evidence. They can be attached to the Pull Request in either the description or follow-up comments. Grading Note We will not be grading the quality or quantity of any code you put into these testing branches/PRs, just the evidence that you have successfully installed and run the tool. In your evaluations, consider & experiment with the types of customization that are appropriate or necessary for this tool, both a priori (before they can be used in your project) and over time. Assess the strengths and weaknesses of each tool/technique, both quantitatively and qualitatively. Consider some of the following questions: What types of problems are you hoping your tooling will catch? What types of problems does this particular tool catch? What types of customization are possible or necessary? How can/should this tool be integrated into a development process? Are there many false positives? False negatives? True positive reports about things you don\u2019t care about? Tool Evaluation There are a lot of different factors to consider when evaluating a tool. We recommend discussing with your teammates and deciding on a group of metrics to focus on when performing evaluations. Time Management Don\u2019t spend too long for this checkpoint. Set deadlines within your team to ensure that you have enough time for both the design document and integration deliverables described below for the final deadline. By the checkpoint deadline, your team will submit your initial list of the N-1 tools that your team plans on exploring, and links to the PRs that demonstrate that you have successfully installed and run each of these tools","title":"Tools Checkpoint (10 pts)"},{"location":"projects/P3/#final-deliverables","text":"","title":"Final Deliverables"},{"location":"projects/P3/#tool-analysis-design-doc-50-pts","text":"Create a Design Document/RFC that includes: A tools evaluations section detailing your team\u2019s analysis on each of the tools you experimented with A justification section explaining which tool(s) you think the project should use moving forward An integration section describing how the selected tool(s) shall be integrated into your process A conclusion section summarizing your work Below, we provide more detailed instructions and page limit recommendations for each of the sections.","title":"Tool Analysis Design Doc (50 pts)"},{"location":"projects/P3/#tool-integration-15-pts","text":"Once you have a tool selected along with a general integration plan, you should fully integrate one of the tools into your project\u2019s workflow. For your checkpoint research, you should have successfully run this tool locally; you should then create a new workflow within the project to run it as part of the development cycle. Your team should discuss: How often should this new integration be run (on each pull request? on commits to main?) What level of customization is needed for this tool? How should the integration of this tool be enforced? This configuration must have been justified in your design document under the Integration section. To be considered successfully integrated, the tool must: Be merged into your main branch Have been run at least once in the Git flow cycle (i.e. either during the pull request, merge, or commit stage). Pass when run on your codebase. This is indicated by having a green checkmark. Ensuring Passing Checks In order to ensure your checks pass successfully, you may have to make additional changes to your repository, such as fixing reported issues or tweaking tool configuration. These changes should be documented and addressed in your design document. Continually failing builds show you have not completely integrated the tool into your workflow. On Gradescope, submit a link to your repository and a link to one of the successful GitHub Action runs.","title":"Tool Integration (15 pts)"},{"location":"projects/P3/#extra-credit","text":"Now that you and your classmates have deployed your applications, you will be able to test out each other\u2019s features and provide constructive feedback on your experience and how to improve them! Take this as an opportunity to learn about what your classmates have been working on for the past few weeks. Note that this is an individual task, unlike the rest of project.","title":"Extra Credit"},{"location":"projects/P3/#feature-review-6-pts","text":"For extra credit, you will conduct reviews of features developed by three other teams' project. Pick three teams's deployment from the public spreadsheet to review. For each team, you will submit a review of their feature(s). You will need to test the feature(s) as described in their UserGuide and provide feedback on the following: How was the experience of using the feature(s), would this be something you think would help enable better communication between faculty and students and why? How do you think the feature can be improved? and/or What do you think the feature did well in? Did you discover any bugs using the feature(s)? To qualify for extra credit, you will have to submit your review: on Gradescope in the appropriate sheet in the public spreadsheet . There should be one sheet per team, and you should add your review to the sheet for the team you are reviewing.","title":"Feature Review (6 pts)"},{"location":"projects/P3/#grading","text":"To receive full credit for the checkpoint, we expect: A link to your successfully deployed web application for your team repository A list of N-1 different static and dynamic analysis tools, where N is the number of members on your team. This list must satisfy all the following criteria: Contain at least one static analysis tool Contain at least one dynamic analysis tool Contain at least one tool not on our starter list of tools Links to N-1 pull requests for each of the selected tools containing evidence of the tool being run at least once on your repository To receive full credit for the final deadline, we expect: A design document describing your research into each of the potential tools, justification for your selection of integrated tool(s), and your final integration plan A link to a successful run of a GitHub Action that demonstrates your integration of your selected tool(s) into your team workflow To receive full credit for the extra credit, we expect: Your review of three different teams' features on Gradescope and on the public spreadsheet , addressing the three questions described.","title":"Grading"},{"location":"projects/P3/#resources-documentation","text":"","title":"Resources & Documentation"},{"location":"projects/P3/#starter-list-of-tools","text":"NodeBB is built in Javascript/Typescript using Node.js and uses Benchpress for its frontend templating. Below are non-exhaustive lists of analysis tools that are available. For other resources, Awesome Static Analysis page and Awesome Dynamic Analysis page have extensive listings of available static and dynamic analysis tools for a pretty hefty list of programming languages. Some of the tools already have existing GitHub Actions workflows on GitHub Marketplace; use your Googling skills, and see what you find!","title":"Starter List of Tools"},{"location":"projects/P3/deployment/","text":"Serverless NodeBB Deployment on GCP \u00b6 This document will provide instructions to create a serverless deployment of NodeBB on GCP. Setup Redis Database on upstash \u00b6 We'll be using a database-as-a-service called upstash to host the Redis database associated with our NodeBB deployment. Visit upstash and create an account. Make sure Redis and selected, and click \"Create Database\" Name your database, select an appropriate region and hit \"Create\" You should see a page that contains the endpoint, port, password, and other details associated with the redis instance you just created. Update your Dockerfile \u00b6 To have all the packages we need to build NodeBB, we need to change our Dockerfile. Make the following change and push your changes to your repository. - RUN npm install --only=prod && \\ + RUN npm install && \\ Redeem your GCP Credits \u00b6 First, you need to redeem your GCP credits using the following instructions. Fill out the this form link with your first/last name, and Andrew ID Go to your school email and click the link in an email from \"Google Cloud Notifications\" to verify your email address Go back to your email, click on the link (\"click here to redeem\") within a second email from \"Google Cloud Notifications,\" and copy the provided code into the field within the new link Once you submit, a $50 credit should be applied to your GCP billing account. Do not misuse! We've been awarded enough credits such that each student in 17-313 can redeem one coupon. We'll be closely monitoring coupon redemption. Any and all misuse including sharing redemption instructions, redeeming multiple times, etc. will be punished. Deploy on GCP Cloud Run \u00b6 Make sure you're logged into the Google account you used to redeem your GCP credits. Once you're logged into the right credit-bearing Google account, use the following instructions to deploy on GCP Cloud Run. Create a project called \"NodeBB\" using the GCP Cloud Console (you can set the location to \"Students\") Visit the Cloud Run console and select the project you just created using the project selector drop down(top-left) Click on \"Create Service\" Select \"Continuously deploy new revisions from a source repository\" and click \"Set up with Cloud Build\" Set the Source repository to be your team's NodeBB repository - you may need to click on \"Manage connected repositories\" and authenticate with GitHub if you don't see the repository. Set the Build Type to the \"Dockerfile\" option In the \"Autoscaling\" section, set the minimum number of instances to 1 In the \"Authentication\" section select \"Allow unauthenticated invocations\" Click on the \"Container, Networking, and Security\" dropdown and set the \"Container Port\" to 4567 10.Click \"Create\" Once the deployment is complete, click on the URL of the form *.run.app at the top of the page to view the deployment. You should see a form that says \"NodeBB Web Installer\". Keep this URL handy because you'll need it later :) Create Config Script \u00b6 At this point, we could use the web installer to generate the config.json file in our container and setup NodeBB. However, since this a serverless deployment, we're not guaranteed any persistence of data generated at runtime. Therefore, we need to change our Dockerfile to generate the config.json file at build time of the container. To do so, first create a template file called config_template.json that looks exactly like the following, and push your changes to your repository. { \"url\": \"\", \"secret\": \"c5502d62-84a5-41f1-87eb-ee33a76fb7bc\", \"database\": \"redis\", \"redis\": { \"host\": \"\", \"port\": \"\", \"password\": \"\", \"database\": \"0\" }, \"port\": \"4567\" } Why can't we just push a pre-populated config.json file? This would solve the persistence problem and deploy NodeBB correctly. However, as a result, we expose secrets like the upstash redis connection details on a public GitHub repository. Injecting these secrets as environment variables at runtime gives our deployment access to them, while ensuring that the secrets remain secret. Configure the following environment variables by visiting the Cloud Run dashboard for your deployment, clicking on \"Edit and deploy new revision\" and then clicking on \"Add Variable\" in the \"Environment Variables\" section. DEPLOYMENT_URL : URL of the form *.run.app that your Cloud Run deployment is live at. REDIS_HOST : Endpoint value from your upstash redis database dashboard. REDIS_PORT : Port value from your upstash redis database dashboard. REDIS_PASSWORD : Password value from your upstash redis database dashboard. We'll now add a bash script that will populate this template with environment variables defined at build time of our Docker container. Create a file called create_config.sh in your NodeBB repo, and populate the file with the following bash script. #!/bin/bash # Check that environment variables have been defined if [[ -z \"${REDIS_HOST+x}\" ]]; then # var is not defined echo \"Error: REDIS_HOST is not defined!\" exit 1 fi if [[ -z \"${REDIS_PORT+x}\" ]]; then # var is not defined echo \"Error: REDIS_PORT is not defined!\" exit 1 fi if [[ -z \"${REDIS_PASSWORD+x}\" ]]; then # var is not defined echo \"Error: REDIS_PASSWORD is not defined!\" exit 1 fi if [[ -z \"${DEPLOYMENT_URL+x}\" ]]; then # var is not defined echo \"Error: DEPLOYMENT_URL is not defined!\" exit 1 fi # Read the JSON file json_data=$(cat \"/usr/src/app/config_template.json\") # Update the JSON file with the environment variables json_data=$(jq --arg deployment_url \"$DEPLOYMENT_URL\" '.url = $deployment_url' <<< \"$json_data\") json_data=$(jq --arg host \"$REDIS_HOST\" '.redis.host = $host' <<< \"$json_data\") json_data=$(jq --arg port \"$REDIS_PORT\" '.redis.port = $port' <<< \"$json_data\") json_data=$(jq --arg password \"$REDIS_PASSWORD\" '.redis.password = $password' <<< \"$json_data\") # Write the updated JSON file to config.json echo \"$json_data\" > \"/usr/src/app/config.json\" cat /usr/src/app/config.json Now, update your Dockerfile so that it looks like the following. FROM node:lts RUN mkdir -p /usr/src/app && \\ chown -R node:node /usr/src/app WORKDIR /usr/src/app RUN apt-get update && apt-get install -y jq ARG NODE_ENV ENV NODE_ENV $NODE_ENV COPY --chown=node:node install/package.json /usr/src/app/package.json USER node RUN npm install && \\ npm cache clean --force COPY --chown=node:node . /usr/src/app ENV NODE_ENV=production \\ daemon=false \\ silent=false EXPOSE 4567 RUN chmod +x create_config.sh CMD ./create_config.sh -n \"${SETUP}\" && ./nodebb setup || node ./nodebb build; node ./nodebb start We're making two changes here: (1) installing the jq package to read/edit json files from our bash script, and (2) running the create_config.sh script on container startup. Once you push your changes, a new deployment should get triggered and it should be good to go once complete. Congratulations! You've now setup a continuous deployment of NodeBB on GCP. Be sure to share the application link with your teammates to ensure they can also access the application and test that all your added features from Project 2 have been successfully applied.","title":"Deployment Instructions"},{"location":"projects/P3/deployment/#serverless-nodebb-deployment-on-gcp","text":"This document will provide instructions to create a serverless deployment of NodeBB on GCP.","title":"Serverless NodeBB Deployment on GCP"},{"location":"projects/P3/deployment/#setup-redis-database-on-upstash","text":"We'll be using a database-as-a-service called upstash to host the Redis database associated with our NodeBB deployment. Visit upstash and create an account. Make sure Redis and selected, and click \"Create Database\" Name your database, select an appropriate region and hit \"Create\" You should see a page that contains the endpoint, port, password, and other details associated with the redis instance you just created.","title":"Setup Redis Database on upstash"},{"location":"projects/P3/deployment/#update-your-dockerfile","text":"To have all the packages we need to build NodeBB, we need to change our Dockerfile. Make the following change and push your changes to your repository. - RUN npm install --only=prod && \\ + RUN npm install && \\","title":"Update your Dockerfile"},{"location":"projects/P3/deployment/#redeem-your-gcp-credits","text":"First, you need to redeem your GCP credits using the following instructions. Fill out the this form link with your first/last name, and Andrew ID Go to your school email and click the link in an email from \"Google Cloud Notifications\" to verify your email address Go back to your email, click on the link (\"click here to redeem\") within a second email from \"Google Cloud Notifications,\" and copy the provided code into the field within the new link Once you submit, a $50 credit should be applied to your GCP billing account. Do not misuse! We've been awarded enough credits such that each student in 17-313 can redeem one coupon. We'll be closely monitoring coupon redemption. Any and all misuse including sharing redemption instructions, redeeming multiple times, etc. will be punished.","title":"Redeem your GCP Credits"},{"location":"projects/P3/deployment/#deploy-on-gcp-cloud-run","text":"Make sure you're logged into the Google account you used to redeem your GCP credits. Once you're logged into the right credit-bearing Google account, use the following instructions to deploy on GCP Cloud Run. Create a project called \"NodeBB\" using the GCP Cloud Console (you can set the location to \"Students\") Visit the Cloud Run console and select the project you just created using the project selector drop down(top-left) Click on \"Create Service\" Select \"Continuously deploy new revisions from a source repository\" and click \"Set up with Cloud Build\" Set the Source repository to be your team's NodeBB repository - you may need to click on \"Manage connected repositories\" and authenticate with GitHub if you don't see the repository. Set the Build Type to the \"Dockerfile\" option In the \"Autoscaling\" section, set the minimum number of instances to 1 In the \"Authentication\" section select \"Allow unauthenticated invocations\" Click on the \"Container, Networking, and Security\" dropdown and set the \"Container Port\" to 4567 10.Click \"Create\" Once the deployment is complete, click on the URL of the form *.run.app at the top of the page to view the deployment. You should see a form that says \"NodeBB Web Installer\". Keep this URL handy because you'll need it later :)","title":"Deploy on GCP Cloud Run"},{"location":"projects/P3/deployment/#create-config-script","text":"At this point, we could use the web installer to generate the config.json file in our container and setup NodeBB. However, since this a serverless deployment, we're not guaranteed any persistence of data generated at runtime. Therefore, we need to change our Dockerfile to generate the config.json file at build time of the container. To do so, first create a template file called config_template.json that looks exactly like the following, and push your changes to your repository. { \"url\": \"\", \"secret\": \"c5502d62-84a5-41f1-87eb-ee33a76fb7bc\", \"database\": \"redis\", \"redis\": { \"host\": \"\", \"port\": \"\", \"password\": \"\", \"database\": \"0\" }, \"port\": \"4567\" } Why can't we just push a pre-populated config.json file? This would solve the persistence problem and deploy NodeBB correctly. However, as a result, we expose secrets like the upstash redis connection details on a public GitHub repository. Injecting these secrets as environment variables at runtime gives our deployment access to them, while ensuring that the secrets remain secret. Configure the following environment variables by visiting the Cloud Run dashboard for your deployment, clicking on \"Edit and deploy new revision\" and then clicking on \"Add Variable\" in the \"Environment Variables\" section. DEPLOYMENT_URL : URL of the form *.run.app that your Cloud Run deployment is live at. REDIS_HOST : Endpoint value from your upstash redis database dashboard. REDIS_PORT : Port value from your upstash redis database dashboard. REDIS_PASSWORD : Password value from your upstash redis database dashboard. We'll now add a bash script that will populate this template with environment variables defined at build time of our Docker container. Create a file called create_config.sh in your NodeBB repo, and populate the file with the following bash script. #!/bin/bash # Check that environment variables have been defined if [[ -z \"${REDIS_HOST+x}\" ]]; then # var is not defined echo \"Error: REDIS_HOST is not defined!\" exit 1 fi if [[ -z \"${REDIS_PORT+x}\" ]]; then # var is not defined echo \"Error: REDIS_PORT is not defined!\" exit 1 fi if [[ -z \"${REDIS_PASSWORD+x}\" ]]; then # var is not defined echo \"Error: REDIS_PASSWORD is not defined!\" exit 1 fi if [[ -z \"${DEPLOYMENT_URL+x}\" ]]; then # var is not defined echo \"Error: DEPLOYMENT_URL is not defined!\" exit 1 fi # Read the JSON file json_data=$(cat \"/usr/src/app/config_template.json\") # Update the JSON file with the environment variables json_data=$(jq --arg deployment_url \"$DEPLOYMENT_URL\" '.url = $deployment_url' <<< \"$json_data\") json_data=$(jq --arg host \"$REDIS_HOST\" '.redis.host = $host' <<< \"$json_data\") json_data=$(jq --arg port \"$REDIS_PORT\" '.redis.port = $port' <<< \"$json_data\") json_data=$(jq --arg password \"$REDIS_PASSWORD\" '.redis.password = $password' <<< \"$json_data\") # Write the updated JSON file to config.json echo \"$json_data\" > \"/usr/src/app/config.json\" cat /usr/src/app/config.json Now, update your Dockerfile so that it looks like the following. FROM node:lts RUN mkdir -p /usr/src/app && \\ chown -R node:node /usr/src/app WORKDIR /usr/src/app RUN apt-get update && apt-get install -y jq ARG NODE_ENV ENV NODE_ENV $NODE_ENV COPY --chown=node:node install/package.json /usr/src/app/package.json USER node RUN npm install && \\ npm cache clean --force COPY --chown=node:node . /usr/src/app ENV NODE_ENV=production \\ daemon=false \\ silent=false EXPOSE 4567 RUN chmod +x create_config.sh CMD ./create_config.sh -n \"${SETUP}\" && ./nodebb setup || node ./nodebb build; node ./nodebb start We're making two changes here: (1) installing the jq package to read/edit json files from our bash script, and (2) running the create_config.sh script on container startup. Once you push your changes, a new deployment should get triggered and it should be good to go once complete. Congratulations! You've now setup a continuous deployment of NodeBB on GCP. Be sure to share the application link with your teammates to ensure they can also access the application and test that all your added features from Project 2 have been successfully applied.","title":"Create Config Script"},{"location":"projects/P4/","text":"Project 4: Software Architecture + ML Evaluation \u00b6 Learning Goals \u00b6 Design a software architecture for software system that incorporates machine learning Decide the appropriate architecture for a given problem Assess and describe the tradeoffs of different architectures Integration of machine learning into a software system and reason about their implications Evaluate the performance and fairness of machine learning models Engage meaningfully with engineering ethics Project Context \u00b6 As you and your team continue developing the new system, your CMU contact suddenly bursts into the room shouting, \u201cCareers! Hiring! Machine learning!\u201d Your manager follows closely behind and provides an explanation: a significant number of job recruiters have taken interest in your project and would like to use the platform as a means to reach out to students for career opportunities. However, the population of students is too large, and increasing annually. They are concerned by the sheer number of students to review for job applications, and recruiters want a simpler way to narrow the applicant pool. While your team had been working on deployment, your buzzword-enamored clients had hired another engineer to work on an extra ML-based feature to take in student performance data and provide a prediction of which applicants are more likely to succeed in industry. Specifically, the new career feature would: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry However, the engineer left shortly after and the project was abandoned. They have left an unfinished draft pull request on the repository, and you have been tasked with completing the project. Your manager wants you to: Assess the current architecture , and decide what would be the best way to incorporate the work done by the previous engineer Reason about, document and select an appropriate architecture for the project Finish integrating the feature made by the previous engineer based on your team's new design Along with architectural issues, as the feature will be evaluating student information, you are also concerned about the fairness of the model. You have been tasked with: Evaluating the pre-trained model's performance and fairness Writing a report on the evaluation of the model Provide a decision on whether the model should be used in production Deliverables and Deadlines \u00b6 There are two (2) deadlines for this project. This project is worth a total of 180 points. Checkpoint Deliverables \u2013 80 points - due Monday, November 5th, 11:59pm Architectural Design Document (60 pts) Jupyter Notebook Setup (20 pts) Final Deliverables \u2013 100 points - due Monday, November 12th, 11:59pm Feature Integration Implementation (60 pts) Evaluation Report (40 pts) Checkpoint Deliverables \u00b6 Architectural Design Document (60 points) \u00b6 To start off, your manager has requested a concrete design document on how you plan on integrating the new ML-based career feature into the existing codebase. One of your manager's requirements is that the career feature should work on a deployed site . You will later follow this design document in order to fully integrate this feature into NodeBB. Your team should start by evaluating what components of the feature have been implemented for you by the previous engineer as detailed in their draft pull request , then consider potential architectural solutions. It is highly recommended that at least one team member does a fresh clone and run the draft pull request locally to get a better understanding of the feature before proceeding. (Note: You can clone template repositories without forking them.) Some initial solutions to consider include: Rewriting the all aspects of the feature in Typescript and incorporating it into the monolith Implementing a Python-based microservice and deploying it as a separate service; then, integrating the service with your existing monolith via a REST API Refactoring part or all of the existing monolith into a microservices-based architecture Implementation Efforts Keep in mind that your team will have to integrate the feature as part of the final deliverable . This should be a factor that affects your final decision on which architecture to pursue. Once you have finished evaluating the codebase, create the design document highlighting your findings and decisions. Below is a sample outline for your design document along with recommended page lengths. Feature Overview (<1 pages) Describe concisely how the career feature works and how it will be used by the relevant stakeholders, with screenshots if necessary. Current Architecture (<1 page) Provide a brief description of the current NodeBB architecture and the current state of the new career feature (i.e. unintegrated with the rest of the codebase). Include an architectural diagram to support your description. Quality Requirements (<1 page) Provide a concise, prioritized list of the overall quality requirements you considered in arguing for the integration of the feature into the system and a short justification for each. Your team should decide on at least three requirements to focus on. Rank your requirements in decreasing order of importance. This allows readers to quickly understand what you were designing for. Potential Solutions (~1 page each) Your team should consider at least two different potential solutions for integrating the new feature. For each, provide at least one architectural diagram, a brief description of the solution's architectural design, and a discussion of the design's tradeoffs. Tradeoffs must involve (but are not limited to) the quality attributes described in the previous section. Justify such arguments with reference to appropriate diagrams and concrete examples, as appropriate. Selected Architecture + Justification (<1 page) Describe which design your team decided to proceed with in architecturally integrating the feature into existing codebase. Justify your design decisions, including why your design is adequate for the quality attributes important to this system, and what assumptions you made in your design (if any). Within your justification, you should explicitly include a timeline demonstrating how you plan on dividing development work within your team to ensure you finish implementation before the final deadline. . On Diagrams Diagrams should involve suitable architectural views ; must include a legend ; and should involve appropriate levels of abstraction for the components in the diagram. If necessary, use color/shape/text to differentiate between types of components and connectors. You may find it appropriate to merge more than one view into a single diagram. If you do this, you must be explicit about what views you are merging , and why. Otherwise, diagrams should clearly represent legitimate architectural views. Make sure that multiple views of the architecture are consistent with each other and the links are clear; if necessary provide a mapping in additional text. Drawing Diagrams Drawing diagrams is much easier with the right software. Consider tools like draw.io (free, online, and collaborative), Dia , OmniGraffle , MS Visio , or even just the drawing editor of Google Docs . Google Slides will also likely work for this purpose. Pictures of whiteboard drawings are also acceptable, if clearly readable. More resources to assist you with creating your design document can be found in the Resources & Documentation section below. By the checkpoint deadline, your team will submit your design document to Gradescope as a PDF. Jupyter Notebook Setup (20 points) \u00b6 As the previous engineer left in a hurry, the model that was provided to you is pre-trained and you do not have any information on how it was trained. You are tasked with evaluating the model's performance and fairness. When it comes to training the model itself, the ML engineer who worked on the project before you had the following assumptions: The model is used to predict whether a student will be a good candidate for a software engineering job. It is a binary classifier, where 1 means the student is a good candidate, and 0 means the student is not a good candidate. The model is trained on a dataset of students who have graduated from CMU, and have been working in the industry for at least 1 year. In order to prevent bias, they assumed that removing Gender (M, F) and Student ID from the dataset would be sufficient when it comes to training the model. They claimed that it is now Group Unaware , thus the model would be fair. The model specification is as follows: X variable (input parameters) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable (output) - Good Candidate (0, 1) The previous engineer has provided some examples on the usage of the model in the draft pull request . You are provided with a test dataset , which contains a similar set of features and output (whether the student is a good candidate or not). This test dataset is a different set of students from the training dataset, and the evaluation of whether the student is a good candidate is done by a fair panel of recruiters, so it can be considered to be unbiased. Additionally, the panel of recruiters have provided you with additional context on the extracurricular activities in comments (marked with #). Your test dataset is provided to you in the following format: X variable - Student ID - Gender (M, F) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) # Likely Co-Ed (Student Theatre, Buggy, Teaching Assistant, Student Government) # Likely Majority Female (Society of Women Engineers, Women in CS, Volleyball, Sorority) # Likely Majority Male (Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable - Good Candidate (0, 1) Before doing a thorough evaluation of the fairness of the model, you will start by doing preliminary analysis on the test dataset , and run the model on the test dataset to get the accuracy of the model. To do so, you will need to set up a Jupyter notebook to do this, you can either: Use Google Colab to run the notebook in the cloud. (Recommended if you do not have experience with Jupyter notebooks) Alternatively, set up a JupyterLab on your local machine. Additionally, you can use VSCode to run the notebook as well. (Recommended if you are experienced) It is recommended that you use Python 3.9 or above when setting up the notebook. After you have set up the notebook, you should: Load the model and test dataset Plot the distribution of the test dataset across all features (except Student ID) using any visualization library of your choice (e.g. pandas, matplotlib, seaborn, plotly, etc.). You should choose the appropriate visualization for each feature. Predict the output of the test dataset using the model Report the accuracy of the model, and the confusion matrix Refer to the Resources & Documentation section if you need help with any of the above steps. By the checkpoint deadline, your team will commit the Jupyter notebook to your repository, and submit a link to the Jupyter notebook with the basic analysis and usage of the model done. Final Deliverables \u00b6 Feature Integration Implementation (60 points) \u00b6 Complete the integration of the ML-based candidate recommendation feature into your team repository for NodeBB. Your implementation should follow your selected design from your checkpoint design document. Revisiting the project context , the feature: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry You may freely use any and/or all of the development progress made available in the draft pull request in your implementation. In fact, if the draft pull request matches your proposed design, you are highly encouraged to directly integrate all code from the draft pull request as a starting point for your implementation. On Gradescope, you should: Submit a link to your deployed site that has the career features successfully integrated Answer the discussion questions regarding your implementation and any additional design decisions made by your team Partial Credit For partial credit, you may instead submit your repository with a locally working integration of the career feature. You should then answer the presented questions on Gradescope for how to get your feature working locally. A Note on CD While we encourage CD workflows, your deployment does not have to be automated for this assignment. In other words, it is acceptable to manually deploy your site without modifying your workflow from the previous project. Evaluation Report (40 points) \u00b6 Now you have to decide whether the model should be used in production. You will need to evaluate the performance and the fairness of the model. You should do all your work in the Jupyter notebook that you set up in the checkpoint deliverables. Performance Evaluation \u00b6 You should have already evaluated the performance of the model in the checkpoint deliverables. You should now do a more thorough evaluation of the model's performance. You should: Evaluate the model's performance on the test dataset, and report the accuracy and confusion matrix Fairness Evaluation \u00b6 When evaluating the fairness of the model, you should Revisit the assumptions made by the previous engineer Revisit the fairness discussion we had in class, and also in ML Discrimination Consider the fairness strategies and corresponding metrics that can be used to evaluate the fairness of the model Report \u00b6 After evaluating the performance and fairness of the model, you should now write a report on your findings. You will also need to provide a decision on whether the model should be used in production. Your report should include the following sections with clear headings: Introduction (< 0.5 page) Provide a brief introduction to the model that you are evaluating, and the test dataset that you are using, and the context of use of the model. Description of the test data (< 1 page) Provide descriptive statistics of the test dataset (e.g. mean, median, mode, standard deviation, etc.) for each feature, preferably in a table. You should also provide a brief discussion on the distribution of the features. Model Performance (< 0.5 page) Provide the accuracy and confusion matrix of the model on the test dataset and a brief discussion on the performance of the model. Feature Exploration (< 1 page) Identify features that you think are important when it comes to evaluating the fairness of the model, and explain why. Fairness Evaluation (~ 1.5 page) Consider three fairness strategies that were discussed in class and then: Provide the corresponding fairness metrics for the model (if applicable) based on the features you selected in step 4. Determine whether the model is fair under each fairness strategy, and provide a brief discussion on why. Determine which fairness strategy is the most appropriate for the model, given the context of what the model is used for. Provide a brief discussion on why. Recommendation (< 0.5 page) Make a recommendation on whether the model should be used in production, and provide a brief discussion on why. On Gradescope submit the following: A link to your Jupyter notebook that contains your code and analysis that is committed to your GitHub repository. A PDF of your report Grading \u00b6 To receive full credit for the checkpoint, we expect: A design document outlining your research into the existing codebase architecture, the quality requirements considered by your team, alternative solutions, and a final justification & timeline for your selected integration plan A link to a Jupyter notebook completing all of the setup steps outlined by the previous section To receive full credit for the final deadline, we expect: A link to your successfully deployed web application for your team repository which demonstrates the integration of the ML-based career feature A link to a Jupyter notebook containing all research/data gathered during your evaluation of the ML model An uploaded PDF report discussing the fairness of the model addressing all the sections outlined above Everyone in the team has contributed to a pull request to the team repository (Note: Either for the Jupyter notebook or the career feature integration) Resource & Documentation \u00b6 Design Documents \u00b6 The design document task is easy to underestimate both in terms of time needed and in terms of difficulty designing meaningful and useful descriptions. While it is easy to create a superficial solution, a good solution will likely require significant thinking, discussion, and iteration. Feel free to seek feedback from the course staff on your solution before submission! We recommend that you appoint someone in your team to track the accuracy and completeness of architectural representations throughout this assignment. Do not just divide up the views among your team members and assume they show everything needed. You only need to submit the final designs/documents, not intermediate steps on the process of getting there. There are a few additional reference materials available in the CMU library that your team may want to consult. We do not recommend reading through all of it; instead, skip around to sections that are relevant to you. Software Architecture in Practice, Third Edition : You may wish to review appropriate sections within Part Two to help find appropriate tactics, techniques you can use in your design to promote particular quality attributes. Documenting Software Architectures: Views and Beyond, Second Edition : useful book to generally reference for creating architecture documentation. Integration \u00b6 Making HTTP Requests FastAPI Deploying with Docker Model Analysis \u00b6 Jupyter Notebooks \u00b6 How to Use Jupyter Notebooks How to Use Jupyter Notebooks on Google Colab Pandas \u00b6 How to Use Pandas Reading CSV Files Dataframe Data Analysis \u00b6 Descriptive Statistics What is Accuracy of a Model? Accuracy What is a Confusion Matrix? Confusion Matrix Visualization \u00b6 Plotting with Pandas Matplotlib Seaborn Plotly","title":"Project 4: Software Architecture + ML Evaluation"},{"location":"projects/P4/#project-4-software-architecture-ml-evaluation","text":"","title":"Project 4: Software Architecture + ML Evaluation"},{"location":"projects/P4/#learning-goals","text":"Design a software architecture for software system that incorporates machine learning Decide the appropriate architecture for a given problem Assess and describe the tradeoffs of different architectures Integration of machine learning into a software system and reason about their implications Evaluate the performance and fairness of machine learning models Engage meaningfully with engineering ethics","title":"Learning Goals"},{"location":"projects/P4/#project-context","text":"As you and your team continue developing the new system, your CMU contact suddenly bursts into the room shouting, \u201cCareers! Hiring! Machine learning!\u201d Your manager follows closely behind and provides an explanation: a significant number of job recruiters have taken interest in your project and would like to use the platform as a means to reach out to students for career opportunities. However, the population of students is too large, and increasing annually. They are concerned by the sheer number of students to review for job applications, and recruiters want a simpler way to narrow the applicant pool. While your team had been working on deployment, your buzzword-enamored clients had hired another engineer to work on an extra ML-based feature to take in student performance data and provide a prediction of which applicants are more likely to succeed in industry. Specifically, the new career feature would: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry However, the engineer left shortly after and the project was abandoned. They have left an unfinished draft pull request on the repository, and you have been tasked with completing the project. Your manager wants you to: Assess the current architecture , and decide what would be the best way to incorporate the work done by the previous engineer Reason about, document and select an appropriate architecture for the project Finish integrating the feature made by the previous engineer based on your team's new design Along with architectural issues, as the feature will be evaluating student information, you are also concerned about the fairness of the model. You have been tasked with: Evaluating the pre-trained model's performance and fairness Writing a report on the evaluation of the model Provide a decision on whether the model should be used in production","title":"Project Context"},{"location":"projects/P4/#deliverables-and-deadlines","text":"There are two (2) deadlines for this project. This project is worth a total of 180 points. Checkpoint Deliverables \u2013 80 points - due Monday, November 5th, 11:59pm Architectural Design Document (60 pts) Jupyter Notebook Setup (20 pts) Final Deliverables \u2013 100 points - due Monday, November 12th, 11:59pm Feature Integration Implementation (60 pts) Evaluation Report (40 pts)","title":"Deliverables and Deadlines"},{"location":"projects/P4/#checkpoint-deliverables","text":"","title":"Checkpoint Deliverables"},{"location":"projects/P4/#architectural-design-document-60-points","text":"To start off, your manager has requested a concrete design document on how you plan on integrating the new ML-based career feature into the existing codebase. One of your manager's requirements is that the career feature should work on a deployed site . You will later follow this design document in order to fully integrate this feature into NodeBB. Your team should start by evaluating what components of the feature have been implemented for you by the previous engineer as detailed in their draft pull request , then consider potential architectural solutions. It is highly recommended that at least one team member does a fresh clone and run the draft pull request locally to get a better understanding of the feature before proceeding. (Note: You can clone template repositories without forking them.) Some initial solutions to consider include: Rewriting the all aspects of the feature in Typescript and incorporating it into the monolith Implementing a Python-based microservice and deploying it as a separate service; then, integrating the service with your existing monolith via a REST API Refactoring part or all of the existing monolith into a microservices-based architecture Implementation Efforts Keep in mind that your team will have to integrate the feature as part of the final deliverable . This should be a factor that affects your final decision on which architecture to pursue. Once you have finished evaluating the codebase, create the design document highlighting your findings and decisions. Below is a sample outline for your design document along with recommended page lengths. Feature Overview (<1 pages) Describe concisely how the career feature works and how it will be used by the relevant stakeholders, with screenshots if necessary. Current Architecture (<1 page) Provide a brief description of the current NodeBB architecture and the current state of the new career feature (i.e. unintegrated with the rest of the codebase). Include an architectural diagram to support your description. Quality Requirements (<1 page) Provide a concise, prioritized list of the overall quality requirements you considered in arguing for the integration of the feature into the system and a short justification for each. Your team should decide on at least three requirements to focus on. Rank your requirements in decreasing order of importance. This allows readers to quickly understand what you were designing for. Potential Solutions (~1 page each) Your team should consider at least two different potential solutions for integrating the new feature. For each, provide at least one architectural diagram, a brief description of the solution's architectural design, and a discussion of the design's tradeoffs. Tradeoffs must involve (but are not limited to) the quality attributes described in the previous section. Justify such arguments with reference to appropriate diagrams and concrete examples, as appropriate. Selected Architecture + Justification (<1 page) Describe which design your team decided to proceed with in architecturally integrating the feature into existing codebase. Justify your design decisions, including why your design is adequate for the quality attributes important to this system, and what assumptions you made in your design (if any). Within your justification, you should explicitly include a timeline demonstrating how you plan on dividing development work within your team to ensure you finish implementation before the final deadline. . On Diagrams Diagrams should involve suitable architectural views ; must include a legend ; and should involve appropriate levels of abstraction for the components in the diagram. If necessary, use color/shape/text to differentiate between types of components and connectors. You may find it appropriate to merge more than one view into a single diagram. If you do this, you must be explicit about what views you are merging , and why. Otherwise, diagrams should clearly represent legitimate architectural views. Make sure that multiple views of the architecture are consistent with each other and the links are clear; if necessary provide a mapping in additional text. Drawing Diagrams Drawing diagrams is much easier with the right software. Consider tools like draw.io (free, online, and collaborative), Dia , OmniGraffle , MS Visio , or even just the drawing editor of Google Docs . Google Slides will also likely work for this purpose. Pictures of whiteboard drawings are also acceptable, if clearly readable. More resources to assist you with creating your design document can be found in the Resources & Documentation section below. By the checkpoint deadline, your team will submit your design document to Gradescope as a PDF.","title":"Architectural Design Document (60 points)"},{"location":"projects/P4/#jupyter-notebook-setup-20-points","text":"As the previous engineer left in a hurry, the model that was provided to you is pre-trained and you do not have any information on how it was trained. You are tasked with evaluating the model's performance and fairness. When it comes to training the model itself, the ML engineer who worked on the project before you had the following assumptions: The model is used to predict whether a student will be a good candidate for a software engineering job. It is a binary classifier, where 1 means the student is a good candidate, and 0 means the student is not a good candidate. The model is trained on a dataset of students who have graduated from CMU, and have been working in the industry for at least 1 year. In order to prevent bias, they assumed that removing Gender (M, F) and Student ID from the dataset would be sufficient when it comes to training the model. They claimed that it is now Group Unaware , thus the model would be fair. The model specification is as follows: X variable (input parameters) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable (output) - Good Candidate (0, 1) The previous engineer has provided some examples on the usage of the model in the draft pull request . You are provided with a test dataset , which contains a similar set of features and output (whether the student is a good candidate or not). This test dataset is a different set of students from the training dataset, and the evaluation of whether the student is a good candidate is done by a fair panel of recruiters, so it can be considered to be unbiased. Additionally, the panel of recruiters have provided you with additional context on the extracurricular activities in comments (marked with #). Your test dataset is provided to you in the following format: X variable - Student ID - Gender (M, F) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) # Likely Co-Ed (Student Theatre, Buggy, Teaching Assistant, Student Government) # Likely Majority Female (Society of Women Engineers, Women in CS, Volleyball, Sorority) # Likely Majority Male (Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable - Good Candidate (0, 1) Before doing a thorough evaluation of the fairness of the model, you will start by doing preliminary analysis on the test dataset , and run the model on the test dataset to get the accuracy of the model. To do so, you will need to set up a Jupyter notebook to do this, you can either: Use Google Colab to run the notebook in the cloud. (Recommended if you do not have experience with Jupyter notebooks) Alternatively, set up a JupyterLab on your local machine. Additionally, you can use VSCode to run the notebook as well. (Recommended if you are experienced) It is recommended that you use Python 3.9 or above when setting up the notebook. After you have set up the notebook, you should: Load the model and test dataset Plot the distribution of the test dataset across all features (except Student ID) using any visualization library of your choice (e.g. pandas, matplotlib, seaborn, plotly, etc.). You should choose the appropriate visualization for each feature. Predict the output of the test dataset using the model Report the accuracy of the model, and the confusion matrix Refer to the Resources & Documentation section if you need help with any of the above steps. By the checkpoint deadline, your team will commit the Jupyter notebook to your repository, and submit a link to the Jupyter notebook with the basic analysis and usage of the model done.","title":"Jupyter Notebook Setup (20 points)"},{"location":"projects/P4/#final-deliverables","text":"","title":"Final Deliverables"},{"location":"projects/P4/#feature-integration-implementation-60-points","text":"Complete the integration of the ML-based candidate recommendation feature into your team repository for NodeBB. Your implementation should follow your selected design from your checkpoint design document. Revisiting the project context , the feature: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry You may freely use any and/or all of the development progress made available in the draft pull request in your implementation. In fact, if the draft pull request matches your proposed design, you are highly encouraged to directly integrate all code from the draft pull request as a starting point for your implementation. On Gradescope, you should: Submit a link to your deployed site that has the career features successfully integrated Answer the discussion questions regarding your implementation and any additional design decisions made by your team Partial Credit For partial credit, you may instead submit your repository with a locally working integration of the career feature. You should then answer the presented questions on Gradescope for how to get your feature working locally. A Note on CD While we encourage CD workflows, your deployment does not have to be automated for this assignment. In other words, it is acceptable to manually deploy your site without modifying your workflow from the previous project.","title":"Feature Integration Implementation (60 points)"},{"location":"projects/P4/#evaluation-report-40-points","text":"Now you have to decide whether the model should be used in production. You will need to evaluate the performance and the fairness of the model. You should do all your work in the Jupyter notebook that you set up in the checkpoint deliverables.","title":"Evaluation Report (40 points)"},{"location":"projects/P4/#grading","text":"To receive full credit for the checkpoint, we expect: A design document outlining your research into the existing codebase architecture, the quality requirements considered by your team, alternative solutions, and a final justification & timeline for your selected integration plan A link to a Jupyter notebook completing all of the setup steps outlined by the previous section To receive full credit for the final deadline, we expect: A link to your successfully deployed web application for your team repository which demonstrates the integration of the ML-based career feature A link to a Jupyter notebook containing all research/data gathered during your evaluation of the ML model An uploaded PDF report discussing the fairness of the model addressing all the sections outlined above Everyone in the team has contributed to a pull request to the team repository (Note: Either for the Jupyter notebook or the career feature integration)","title":"Grading"},{"location":"projects/P4/#resource-documentation","text":"","title":"Resource & Documentation"},{"location":"projects/P4/#design-documents","text":"The design document task is easy to underestimate both in terms of time needed and in terms of difficulty designing meaningful and useful descriptions. While it is easy to create a superficial solution, a good solution will likely require significant thinking, discussion, and iteration. Feel free to seek feedback from the course staff on your solution before submission! We recommend that you appoint someone in your team to track the accuracy and completeness of architectural representations throughout this assignment. Do not just divide up the views among your team members and assume they show everything needed. You only need to submit the final designs/documents, not intermediate steps on the process of getting there. There are a few additional reference materials available in the CMU library that your team may want to consult. We do not recommend reading through all of it; instead, skip around to sections that are relevant to you. Software Architecture in Practice, Third Edition : You may wish to review appropriate sections within Part Two to help find appropriate tactics, techniques you can use in your design to promote particular quality attributes. Documenting Software Architectures: Views and Beyond, Second Edition : useful book to generally reference for creating architecture documentation.","title":"Design Documents"},{"location":"projects/P4/#integration","text":"Making HTTP Requests FastAPI Deploying with Docker","title":"Integration"},{"location":"projects/P4/#model-analysis","text":"","title":"Model Analysis"},{"location":"projects/P5/","text":"Project 5: Open Source Excursion \u00b6 Learning Goals \u00b6 Holistically apply software engineering methods in the context of a real-world problem, including process, requirements, architecture, measurement, and quality assurance Gain broad and deep exposure to the culture and practices of open-source communities Understand commonly used infrastructure used in open-source, and how to choose infrastructure when starting a new open-source project Engage with an open-source community Identify process issues and suggest improvements in real-world projects, including communication, collaboration, tooling, quality assurance, formal and informal rules and policies Coordinate within a team and adopt practices for efficient teams Understand a project\u2019s architecture and design and make a decision about the feasibility of a proposed task Divide and schedule work within a project Discuss how agile practices affect development Discuss business concerns and business models of software development Project Description \u00b6 Your high-level goal is to produce and submit a non-trivial modification or extension to an open-source project in a way that maximizes the chances that the project maintainers accept it. If you demonstrate to us that your change has been accepted and integrated into the project\u2019s code base, you will get 20 bonus points . Your team will select an open source project, select a change to implement, actually contribute to the project, and present your insights to the class. You will individually reflect on your teamwork and open source experience. Deliverables and Deadlines \u00b6 This will is your final project with your group. There are 3 deadlines for this project. The project is worth a total of 320 points (~18% of your final grade). A) Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation (80 pts) - Held on Tuesday, November 21st B) Project Final Report & Presentations \u2013 220 points \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation (100 points) - Held during exam timeslot on Thursday, December 7th, 8:30am - 11:30am C) Individual Reflections \u2013 20 points \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts) Tip This is a large assignment spanning from now until your final exam timeslot. We estimate that this project will take each student on the team on average 8-10 hours/week over the next 3 weeks, for a total of 30 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of P5 will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. If severe teamwork issues arise please contact the course staff.","title":"Project 5: Open Source Excursion"},{"location":"projects/P5/#project-5-open-source-excursion","text":"","title":"Project 5: Open Source Excursion"},{"location":"projects/P5/#learning-goals","text":"Holistically apply software engineering methods in the context of a real-world problem, including process, requirements, architecture, measurement, and quality assurance Gain broad and deep exposure to the culture and practices of open-source communities Understand commonly used infrastructure used in open-source, and how to choose infrastructure when starting a new open-source project Engage with an open-source community Identify process issues and suggest improvements in real-world projects, including communication, collaboration, tooling, quality assurance, formal and informal rules and policies Coordinate within a team and adopt practices for efficient teams Understand a project\u2019s architecture and design and make a decision about the feasibility of a proposed task Divide and schedule work within a project Discuss how agile practices affect development Discuss business concerns and business models of software development","title":"Learning Goals"},{"location":"projects/P5/#project-description","text":"Your high-level goal is to produce and submit a non-trivial modification or extension to an open-source project in a way that maximizes the chances that the project maintainers accept it. If you demonstrate to us that your change has been accepted and integrated into the project\u2019s code base, you will get 20 bonus points . Your team will select an open source project, select a change to implement, actually contribute to the project, and present your insights to the class. You will individually reflect on your teamwork and open source experience.","title":"Project Description"},{"location":"projects/P5/#deliverables-and-deadlines","text":"This will is your final project with your group. There are 3 deadlines for this project. The project is worth a total of 320 points (~18% of your final grade). A) Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation (80 pts) - Held on Tuesday, November 21st B) Project Final Report & Presentations \u2013 220 points \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation (100 points) - Held during exam timeslot on Thursday, December 7th, 8:30am - 11:30am C) Individual Reflections \u2013 20 points \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts) Tip This is a large assignment spanning from now until your final exam timeslot. We estimate that this project will take each student on the team on average 8-10 hours/week over the next 3 weeks, for a total of 30 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of P5 will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. If severe teamwork issues arise please contact the course staff.","title":"Deliverables and Deadlines"},{"location":"projects/P5/1_projectcheck/","text":"Project 5A: Project and Task Selection \u00b6 Deliverables \u00b6 Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation Slides \u2013 due Tuesday, November 21st, 11:59pm Presentation Date \u2013 Tuesday, November 21st, during the lecture time Open Source Project Selection \u00b6 You may select any active open source project in any language, as long as it's not already being selected on by another team. You can find a list of open source projects selected by other teams on the Public Project Selection Spreadsheet . Here are some helpful resources for finding open source projects: Trending on Github Software Quality Awards Issues that are labeled \u201cup-for-grabs\u201d goodfirstissue.dev A list of beginner friendly projects Apache projects Mozilla projects You may want to consider any open-source projects you have used before, or are interested in using in the future! The open source project you pick should be active and have multiple contributors . Generally you want to pick projects that are quick at reviewing and accepting PRs from external contributors for a better chance of getting your bonus. Previous students have lamented choosing dead or maintenance projects without sufficient community support. Do not make this mistake. If you have questions on if we would consider a project active, contact the course staff. Once you have selected a project, add it to the Public Project Selection Spreadsheet . Task Selection \u00b6 For the rest of this assignment, we will refer to bug fixes and feature extensions as tasks. You are free to chose any task(s) to complete for this assignment, as long as they: Are taken from a bug report or feature request in a public database or message board. Do not invent a task. Address a documented project need. Make changes to the project\u2019s source code. Pure documentation or design tasks are not appropriate Benefit from teamwork and are appropriate for your team size (i.e. do not select one small independent task per team member). You may choose one large task or several smaller, related tasks. The tasks should be scoped such that each team member spends one week of development effort We expect students to actively communicate with the project owners the task you are trying to do via the owners' preferred methods of communication (GitHub comments, Discord server, etc) and follow the repository's issue assignment process(es). This will also ensure that they are more likely to accept your pull request(s) in the future. If you have questions on these criteria, contact the course staff. Task Planning \u00b6 Once you have selected a project and task(s), break them down into subtasks, consider their priority and assign them to each team member. Identify a set of tasks as your core goal for this project, and another set of tasks as stretch goals. You are expected to achieve your core goal for this project , and stretch goals as much as possible. We will work with you to adjust your goals during the check-in presentation to ensure that they are appropriate your team size and timeframe. As per previous project, plan before you start coding . You should identify risks and requirements, and develop a collaboration plan and schedule. Check-In Presentation (80 pts) \u00b6 The lecture slot of Tuesday, November 21st will be dedicated to an in-person group presentation about your project and task selection. Presentations are 7 minutes long, with 3 minutes of feedback and Q&A The order of presentations will be randomly determined Participation from all team members during the presentation is required Presentation Attendance For full credit, you would have to be on time for the presentation session. If you are unable to attend in-person, you must Send an email to the instructor with justifications at least 24 hours before the presentation , else you will receive no credit for this part of the assignment, and Pre-record your segment of the presentation, which your teammate will play during the presentation Your group presentation will serve as a check-in to determine if the open source project and task(s) chosen were reasonable Your 7-minute check-in presentation should include (the recommended slides amount is in parenthesis): Overview and Justification (~1 slide) An overview on the project you selected, summarizing the relevant characteristics you considered when making your selection. Beyond whatever additional information you collect in your research, include at least a name, a website link, and a brief description of the project (what it does, who uses it, etc). Successful Build (~1 slide) Evidence that you can build and run the software (e.g., a screenshot or text output from a successful build, a screenshot of the running program). Getting an open-source project to build/run can be a huge effort, and we want to mitigate this risk. Task(s) Description (~2-3 slides) A brief textual description of your proposed change(s). In addition to your core task(s), you may choose to include a stretch task, depending on how difficult the changes end up being, you may not need to implement it. Note that if your actual changes deviate from the plan, we expect a short explanation with the final submission. A justification as to why the task(s) benefit(s) from teamwork and are appropriate for your team size. Task Requests(s) (~1 slide) Evidence that the task(s) is/are requested by the community (links suffices). Evidence of communication with the project owners (e.g., a link to a discussion thread, a screenshot of a chat, etc). Subtasks & Assignments (~1 slide) A table to summarize for each subtask: A description of each subtask The priorities & justification of priorities of the subtasks (and if it's part of core goals or stretch goals) An initial assignment of subtasks to team members. Schedule (~1 slide) A table to summarize the schedule for each team member, including: The start and end date of each subtask The number of hours each team member will spend on each subtask The number of hours each team member will spend on the project in total Risk & Mitigation Strategies (~1 slide) A list of at least two relevant risks when it comes to working on the tasks in your selected open source project and corresponding mitigation strategies. We expect you to identify risks that are specific to your project and team. For example, if you are working on a project that is written in a language that none of your team members have used before, you should identify this as a risk and discuss how you will mitigate it. We will not accept risks that are generic to all open source projects (e.g., \"the project may be abandoned\"), or risks that are generic to all software development projects (e.g., \"the project may have bugs\"). Submit the presentation deck listed above as a single PDF file per team to Gradescope .","title":"5A Project and Task Selection"},{"location":"projects/P5/1_projectcheck/#project-5a-project-and-task-selection","text":"","title":"Project 5A: Project and Task Selection"},{"location":"projects/P5/1_projectcheck/#deliverables","text":"Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation Slides \u2013 due Tuesday, November 21st, 11:59pm Presentation Date \u2013 Tuesday, November 21st, during the lecture time","title":"Deliverables"},{"location":"projects/P5/1_projectcheck/#open-source-project-selection","text":"You may select any active open source project in any language, as long as it's not already being selected on by another team. You can find a list of open source projects selected by other teams on the Public Project Selection Spreadsheet . Here are some helpful resources for finding open source projects: Trending on Github Software Quality Awards Issues that are labeled \u201cup-for-grabs\u201d goodfirstissue.dev A list of beginner friendly projects Apache projects Mozilla projects You may want to consider any open-source projects you have used before, or are interested in using in the future! The open source project you pick should be active and have multiple contributors . Generally you want to pick projects that are quick at reviewing and accepting PRs from external contributors for a better chance of getting your bonus. Previous students have lamented choosing dead or maintenance projects without sufficient community support. Do not make this mistake. If you have questions on if we would consider a project active, contact the course staff. Once you have selected a project, add it to the Public Project Selection Spreadsheet .","title":"Open Source Project Selection"},{"location":"projects/P5/1_projectcheck/#task-selection","text":"For the rest of this assignment, we will refer to bug fixes and feature extensions as tasks. You are free to chose any task(s) to complete for this assignment, as long as they: Are taken from a bug report or feature request in a public database or message board. Do not invent a task. Address a documented project need. Make changes to the project\u2019s source code. Pure documentation or design tasks are not appropriate Benefit from teamwork and are appropriate for your team size (i.e. do not select one small independent task per team member). You may choose one large task or several smaller, related tasks. The tasks should be scoped such that each team member spends one week of development effort We expect students to actively communicate with the project owners the task you are trying to do via the owners' preferred methods of communication (GitHub comments, Discord server, etc) and follow the repository's issue assignment process(es). This will also ensure that they are more likely to accept your pull request(s) in the future. If you have questions on these criteria, contact the course staff.","title":"Task Selection"},{"location":"projects/P5/1_projectcheck/#task-planning","text":"Once you have selected a project and task(s), break them down into subtasks, consider their priority and assign them to each team member. Identify a set of tasks as your core goal for this project, and another set of tasks as stretch goals. You are expected to achieve your core goal for this project , and stretch goals as much as possible. We will work with you to adjust your goals during the check-in presentation to ensure that they are appropriate your team size and timeframe. As per previous project, plan before you start coding . You should identify risks and requirements, and develop a collaboration plan and schedule.","title":"Task Planning"},{"location":"projects/P5/1_projectcheck/#check-in-presentation-80-pts","text":"The lecture slot of Tuesday, November 21st will be dedicated to an in-person group presentation about your project and task selection. Presentations are 7 minutes long, with 3 minutes of feedback and Q&A The order of presentations will be randomly determined Participation from all team members during the presentation is required Presentation Attendance For full credit, you would have to be on time for the presentation session. If you are unable to attend in-person, you must Send an email to the instructor with justifications at least 24 hours before the presentation , else you will receive no credit for this part of the assignment, and Pre-record your segment of the presentation, which your teammate will play during the presentation Your group presentation will serve as a check-in to determine if the open source project and task(s) chosen were reasonable Your 7-minute check-in presentation should include (the recommended slides amount is in parenthesis): Overview and Justification (~1 slide) An overview on the project you selected, summarizing the relevant characteristics you considered when making your selection. Beyond whatever additional information you collect in your research, include at least a name, a website link, and a brief description of the project (what it does, who uses it, etc). Successful Build (~1 slide) Evidence that you can build and run the software (e.g., a screenshot or text output from a successful build, a screenshot of the running program). Getting an open-source project to build/run can be a huge effort, and we want to mitigate this risk. Task(s) Description (~2-3 slides) A brief textual description of your proposed change(s). In addition to your core task(s), you may choose to include a stretch task, depending on how difficult the changes end up being, you may not need to implement it. Note that if your actual changes deviate from the plan, we expect a short explanation with the final submission. A justification as to why the task(s) benefit(s) from teamwork and are appropriate for your team size. Task Requests(s) (~1 slide) Evidence that the task(s) is/are requested by the community (links suffices). Evidence of communication with the project owners (e.g., a link to a discussion thread, a screenshot of a chat, etc). Subtasks & Assignments (~1 slide) A table to summarize for each subtask: A description of each subtask The priorities & justification of priorities of the subtasks (and if it's part of core goals or stretch goals) An initial assignment of subtasks to team members. Schedule (~1 slide) A table to summarize the schedule for each team member, including: The start and end date of each subtask The number of hours each team member will spend on each subtask The number of hours each team member will spend on the project in total Risk & Mitigation Strategies (~1 slide) A list of at least two relevant risks when it comes to working on the tasks in your selected open source project and corresponding mitigation strategies. We expect you to identify risks that are specific to your project and team. For example, if you are working on a project that is written in a language that none of your team members have used before, you should identify this as a risk and discuss how you will mitigate it. We will not accept risks that are generic to all open source projects (e.g., \"the project may be abandoned\"), or risks that are generic to all software development projects (e.g., \"the project may have bugs\"). Submit the presentation deck listed above as a single PDF file per team to Gradescope .","title":"Check-In Presentation (80 pts)"},{"location":"projects/P5/2_projectfinal/","text":"Project 5B & C: Project Presentations, Final Report, and Reflections \u00b6 Deliverables \u00b6 Project Report and Presentation \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation Slides (100 points, graded based on presentation) Presentation Date \u2013 Thursday, December 7th, 8:30am - 11:30am, during exam timeslot Reflection \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts) Contributing to Open Source \u00b6 You should perform adequate quality assurance activities when writing code. Take further steps to understand the project\u2019s code You might find it useful to engage in intra-team discussions using static or dynamic diagrams. You might also find it useful to elicit feedback on your ideas by communicating with members of the open-source community. Submit your changes to the project Create any necessary documentation to enable acceptance of your code. Common contribution mechanisms include pull requests, emails to a project lead, or discussion board posts. You may also need to update the bug database. The project owners will review and evaluate your pull request, and you might need more work to get it approved. You are required to submit your work to the open-source project BONUS: Get your changes accepted You will get a bonus 20 (6%) bonus points upon acceptance. If your code is accepted after the homework deadline but before final grades are released, inform the course staff. Report, Presentation and Reflection \u00b6 You will report on your project and task selection, work, and experience in several ways (see below). This will include a group presentation to the class. Project Presentations (100 pts) \u00b6 The Final Exam time is dedicated to group presentations (in-person) about your open source contributions. Presentations are 7 minutes long, with 3 minutes Q&A . The order of presentations is randomly determined. Participation from all team members during the presentation is required . Every individual will be asked to provide constructive feedback for other presentations in class via an paper form (which we will provide day-of). Presentation Attendance For full credit, you would have to be on time for the presentation session (within 10 minutes of start time). If you are unable to attend in-person, you have to send an email with justification to the instructors at least a week before your final exam timeslot so that appropriate arrangements can be made. Exceptions to notification deadline will only be made for unforseeable circumstances. The goal of the presentation is primarily to share with the class the project to which you contributed, and your experiences. Your presentation should cover the following topics (the recommended slides amount is in parenthesis): High-level Project Overview (~1 slide) Describe the project in terms of its high-level goals and the context in which it operates. This may include a brief history and the business context. E.g. it may be interesting to note that a project was spawned from a closed-source operation, or that it competes primarily with a closed-source counterpart. Brief Task Description(s) (~2 slides) Brief description of the task(s) you performed, such that the audience has sufficient context to understand your explanation of your experiences. A table that briefly summarizes the contribution(s) each team member made towards completing the task(s). We do not expect you to include, for example, any code or diagrams from your report , unless they\u2019re helpful for supporting a point about your interactions with the project. Include a demo of your contribution(s), if applicable. Please do a screen recording of your demo instead of a live demo. Project Processes and Communication (~2 slides) Describe the processes and tools the project uses to coordinate among contributors. For example: Are these processes formal or informal? Provide an explicit description (possibly with a diagram) of the acceptance process used for efforts like the task you completed. If applicable, include standards or expectations regarding software engineering activities including requirements, architecture, and quality assurance; alternatively mention that no such standards exist. Your Experiences (~2 slides) Summarize your experiences (and what you learned!) interacting with this community of open source developers, focusing on any surprising or unusual aspects of the process or interaction. For example Did you run into any trouble understanding, changing, or contributing to a large, pre-existing project? Were there unanticipated challenges in either implementing your change, or in getting the change submitted to and accepted by the project maintainers? Did the project collaboration process or culture help or hinder your effort in any way? Characterize any interaction you had with the team leadership and community, highlighting especially any useful/useless input you received. You may (but are not required to) also relate the experience from this homework assignment with relevant experience from internships or other projects. Your summary of your experiences can be at whatever level of detail you think is interesting or informative. Given the time limit, selecting and highlighting the two or three most important or interesting observations is likely more useful than trying to be complete. You must upload your slides as a single PDF document to Gradescope by Wednesday, December 6th at 11:59pm . Project Report (120 pts) \u00b6 After completing and submitting the modification, write a report about the tasks you have performed. Your report should include: Selected Project (1 paragraph) A brief description of the open source system to which you contributed. You may reuse text from Part A. Project Context and Business Model (<0.5 page) An analysis of the open-source project\u2019s context and business model. This may include a short history of the project, competing open- and closed-source projects, or a discussion of the developers\u2019 motivations to build this system. Essentially, we want to know why this project exists and why it is important. Task Description (per task) (<0.5 page) A description of the tasks you have implemented and a high-level description of how you implemented them. Submitted Artifacts (per task) Evidence of the code, documentation, or other artifacts you produced for the task, and evidence that you submitted them to the project. This would likely be links to publicly available resources (repository, email, pull request, etc). QA Strategy (<1 page) Describe which QA activities you performed and justify why you selected these QA activities over others. Describe metrics if appropriate. The justification will likely refer to relevant requirements as well as to the project\u2019s practices. QA Evidence Evidence of your quality assurance activities described above. For example, provide source code or links to source code of tests, provide test protocols, comments or protocols from code reviews, reports from static analysis tools, links to or screenshots from a continuous integration platform, and so forth. Plan Updates (<1 page) A description and justification of deviations between your initial plans and your performed activities (as in Homework 2). Changes are expected, but they should be tracked and explained. Describe changes in scope (e.g., fewer tasks) and in the schedule and work allocation. Provide an updated schedule and note differences. Explain the causes of the changes, such as unanticipated risks. Extra Credit Evidence that your changes have been accepted into the code base of the open source project in forms of links or screenshots. Note: You can also send the merged PR link via Slack to the instructor by December 10th 1pm to claim this bonus as well Page limits are provided for guidance; we will not enforce them. Collect all parts in a single PDF document with clear subsections and the names of all team members and submit that file to Gradescope . Individual Reflection & Peer Evaluations (20 pts) \u00b6 Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of this project will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. Your individual reflection should include: Self Evaluation Describe the work you have done in this project (e.g. code artifacts, documentation) as well as efforts towards helping your team towards completing this project (e.g. research, organizing meetings, running meetings). Peer Evaluations Describe the specific work each of your team members have contributed towards this project. Describe both tangible (e.g. code artifacts, report & slides making, documentation) and intangible (e.g. organizing & running meetings, communicating expectations) contributions. Do point out teammates that you think are exceptional to work with in this project as well. Teamwork You have been in the same team over the course of this semester (Projects 2-5). Look back on the entire semester and reflect on your team experiences. The following questions may guide you: What has worked, what hasn\u2019t? If you could start 313 or another course over with the same team, what would you change? What have you learned about teamwork and your role in teamwork? (Optional) Do you have any feedback on what we can do next year to help students work more effectively in teams? Bear in mind that the instructor-assigned heterogeneous teams of 3-5 students is non-negotiable. We anticipate problems as part of the learning experience, but would like to avoid unduly frustrating situations. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support them. Submit your reflection on Gradescope .","title":"5B Project Presentations, Final Report, and Reflections"},{"location":"projects/P5/2_projectfinal/#project-5b-c-project-presentations-final-report-and-reflections","text":"","title":"Project 5B & C: Project Presentations, Final Report, and Reflections"},{"location":"projects/P5/2_projectfinal/#deliverables","text":"Project Report and Presentation \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation Slides (100 points, graded based on presentation) Presentation Date \u2013 Thursday, December 7th, 8:30am - 11:30am, during exam timeslot Reflection \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts)","title":"Deliverables"},{"location":"projects/P5/2_projectfinal/#contributing-to-open-source","text":"You should perform adequate quality assurance activities when writing code. Take further steps to understand the project\u2019s code You might find it useful to engage in intra-team discussions using static or dynamic diagrams. You might also find it useful to elicit feedback on your ideas by communicating with members of the open-source community. Submit your changes to the project Create any necessary documentation to enable acceptance of your code. Common contribution mechanisms include pull requests, emails to a project lead, or discussion board posts. You may also need to update the bug database. The project owners will review and evaluate your pull request, and you might need more work to get it approved. You are required to submit your work to the open-source project BONUS: Get your changes accepted You will get a bonus 20 (6%) bonus points upon acceptance. If your code is accepted after the homework deadline but before final grades are released, inform the course staff.","title":"Contributing to Open Source"},{"location":"projects/P5/2_projectfinal/#report-presentation-and-reflection","text":"You will report on your project and task selection, work, and experience in several ways (see below). This will include a group presentation to the class.","title":"Report, Presentation and Reflection"},{"location":"projects/P5/2_projectfinal/#project-presentations-100-pts","text":"The Final Exam time is dedicated to group presentations (in-person) about your open source contributions. Presentations are 7 minutes long, with 3 minutes Q&A . The order of presentations is randomly determined. Participation from all team members during the presentation is required . Every individual will be asked to provide constructive feedback for other presentations in class via an paper form (which we will provide day-of). Presentation Attendance For full credit, you would have to be on time for the presentation session (within 10 minutes of start time). If you are unable to attend in-person, you have to send an email with justification to the instructors at least a week before your final exam timeslot so that appropriate arrangements can be made. Exceptions to notification deadline will only be made for unforseeable circumstances. The goal of the presentation is primarily to share with the class the project to which you contributed, and your experiences. Your presentation should cover the following topics (the recommended slides amount is in parenthesis): High-level Project Overview (~1 slide) Describe the project in terms of its high-level goals and the context in which it operates. This may include a brief history and the business context. E.g. it may be interesting to note that a project was spawned from a closed-source operation, or that it competes primarily with a closed-source counterpart. Brief Task Description(s) (~2 slides) Brief description of the task(s) you performed, such that the audience has sufficient context to understand your explanation of your experiences. A table that briefly summarizes the contribution(s) each team member made towards completing the task(s). We do not expect you to include, for example, any code or diagrams from your report , unless they\u2019re helpful for supporting a point about your interactions with the project. Include a demo of your contribution(s), if applicable. Please do a screen recording of your demo instead of a live demo. Project Processes and Communication (~2 slides) Describe the processes and tools the project uses to coordinate among contributors. For example: Are these processes formal or informal? Provide an explicit description (possibly with a diagram) of the acceptance process used for efforts like the task you completed. If applicable, include standards or expectations regarding software engineering activities including requirements, architecture, and quality assurance; alternatively mention that no such standards exist. Your Experiences (~2 slides) Summarize your experiences (and what you learned!) interacting with this community of open source developers, focusing on any surprising or unusual aspects of the process or interaction. For example Did you run into any trouble understanding, changing, or contributing to a large, pre-existing project? Were there unanticipated challenges in either implementing your change, or in getting the change submitted to and accepted by the project maintainers? Did the project collaboration process or culture help or hinder your effort in any way? Characterize any interaction you had with the team leadership and community, highlighting especially any useful/useless input you received. You may (but are not required to) also relate the experience from this homework assignment with relevant experience from internships or other projects. Your summary of your experiences can be at whatever level of detail you think is interesting or informative. Given the time limit, selecting and highlighting the two or three most important or interesting observations is likely more useful than trying to be complete. You must upload your slides as a single PDF document to Gradescope by Wednesday, December 6th at 11:59pm .","title":"Project Presentations (100 pts)"},{"location":"projects/P5/2_projectfinal/#project-report-120-pts","text":"After completing and submitting the modification, write a report about the tasks you have performed. Your report should include: Selected Project (1 paragraph) A brief description of the open source system to which you contributed. You may reuse text from Part A. Project Context and Business Model (<0.5 page) An analysis of the open-source project\u2019s context and business model. This may include a short history of the project, competing open- and closed-source projects, or a discussion of the developers\u2019 motivations to build this system. Essentially, we want to know why this project exists and why it is important. Task Description (per task) (<0.5 page) A description of the tasks you have implemented and a high-level description of how you implemented them. Submitted Artifacts (per task) Evidence of the code, documentation, or other artifacts you produced for the task, and evidence that you submitted them to the project. This would likely be links to publicly available resources (repository, email, pull request, etc). QA Strategy (<1 page) Describe which QA activities you performed and justify why you selected these QA activities over others. Describe metrics if appropriate. The justification will likely refer to relevant requirements as well as to the project\u2019s practices. QA Evidence Evidence of your quality assurance activities described above. For example, provide source code or links to source code of tests, provide test protocols, comments or protocols from code reviews, reports from static analysis tools, links to or screenshots from a continuous integration platform, and so forth. Plan Updates (<1 page) A description and justification of deviations between your initial plans and your performed activities (as in Homework 2). Changes are expected, but they should be tracked and explained. Describe changes in scope (e.g., fewer tasks) and in the schedule and work allocation. Provide an updated schedule and note differences. Explain the causes of the changes, such as unanticipated risks. Extra Credit Evidence that your changes have been accepted into the code base of the open source project in forms of links or screenshots. Note: You can also send the merged PR link via Slack to the instructor by December 10th 1pm to claim this bonus as well Page limits are provided for guidance; we will not enforce them. Collect all parts in a single PDF document with clear subsections and the names of all team members and submit that file to Gradescope .","title":"Project Report (120 pts)"},{"location":"projects/P5/2_projectfinal/#individual-reflection-peer-evaluations-20-pts","text":"Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of this project will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. Your individual reflection should include: Self Evaluation Describe the work you have done in this project (e.g. code artifacts, documentation) as well as efforts towards helping your team towards completing this project (e.g. research, organizing meetings, running meetings). Peer Evaluations Describe the specific work each of your team members have contributed towards this project. Describe both tangible (e.g. code artifacts, report & slides making, documentation) and intangible (e.g. organizing & running meetings, communicating expectations) contributions. Do point out teammates that you think are exceptional to work with in this project as well. Teamwork You have been in the same team over the course of this semester (Projects 2-5). Look back on the entire semester and reflect on your team experiences. The following questions may guide you: What has worked, what hasn\u2019t? If you could start 313 or another course over with the same team, what would you change? What have you learned about teamwork and your role in teamwork? (Optional) Do you have any feedback on what we can do next year to help students work more effectively in teams? Bear in mind that the instructor-assigned heterogeneous teams of 3-5 students is non-negotiable. We anticipate problems as part of the learning experience, but would like to avoid unduly frustrating situations. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support them. Submit your reflection on Gradescope .","title":"Individual Reflection & Peer Evaluations (20 pts)"},{"location":"recitations/","text":"Coming soon!","title":"Index"},{"location":"recitations/deployment-workshop/","text":"Cloud Deployment Workshop \u00b6 Overview \u00b6 Throughout this workshop, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with cloud providers - Render. Set up and get familiarized with the Extreme Startup web app for use in Thursday's (October 5th) recitation. Definitions \u00b6 Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here! Task 0: Setting up your repository \u00b6 For this workshop, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Thursday during the Extreme Startup game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Fork this repo: https://github.com/CMU-17313Q/basic-web-app . Follow the instructions in the readme to run and test the development server locally. Once you have it running locally visit http://localhost:3000 and try different queries like \"Who was Shakespeare?\" and \"What is your Andrew ID?\" Also visit http://localhost:3000/api?q=shakespeare - this is the API endpoint that our game server will use at next week's lecture. Task 1: Continuous Deployment \u00b6 To start off, you'll be deploying the app you just forked on one cloud platform - Render. The goal here is to make your app accessible over the internet. You'll also be setting up continuous deployment such that this deployment is updated with the latest version of the app, whenever you push code to the main branch of your repository. Create an account on Render Create a new Web Service Choose \"Build and deploy from a Git repository\" Click on Configure account under GitHub, to give Render access to your GitHub repositories - this is necessary to setup continuous deployment. Connect your basic-web-app fork to the Web Service you just created Name your web server -313 Set the Runtime to \"Node\", Build Command to npm install; npm run build and Start Command to npm start Select \"Singapore (Southeast Asia)\" as the region Make sure that the \"Free\" Instance Type is selected, and click \"Create Web Service\" When the build completes, click on the link of the form *.onrender.com at the top of the page to view the deployment. Task 2: Implement \"What is your Andrew ID?\" \u00b6 To test that the continuous deployments are working as expected, and familiarize yourself with the basic web app codebase, let's implement support for the query \"What is your Andrew ID?\" Extend the QueryProcessor function to support this question in utils/QueryProcessor.tsx - this is where all the Query Processing logic exists Verify that the implementation is correct by running the app locally and testing manually. Write a test for the query you just implemented in __tests__/utils/QueryProcess.test.ts Verify that the tests function correctly by running npm run test . Commit and push your changes Once pushed, verify that CD is functioning correctly by checking that a new deployment is triggered on Render dashboard. Once the deployments are complete manually verify that both support the query you just implemented. Bonus Task: Continuous Integration \u00b6 While the steps above are all that is required for the Extreme Startup game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Conditional CD In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed on Render. Cool! Remember to do Cloud Deployment Workshop Quiz on Gradescope !","title":"Cloud Deployment Workshop"},{"location":"recitations/deployment-workshop/#cloud-deployment-workshop","text":"","title":"Cloud Deployment Workshop"},{"location":"recitations/deployment-workshop/#overview","text":"Throughout this workshop, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with cloud providers - Render. Set up and get familiarized with the Extreme Startup web app for use in Thursday's (October 5th) recitation.","title":"Overview"},{"location":"recitations/deployment-workshop/#definitions","text":"Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!","title":"Definitions"},{"location":"recitations/deployment-workshop/#task-0-setting-up-your-repository","text":"For this workshop, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Thursday during the Extreme Startup game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Fork this repo: https://github.com/CMU-17313Q/basic-web-app . Follow the instructions in the readme to run and test the development server locally. Once you have it running locally visit http://localhost:3000 and try different queries like \"Who was Shakespeare?\" and \"What is your Andrew ID?\" Also visit http://localhost:3000/api?q=shakespeare - this is the API endpoint that our game server will use at next week's lecture.","title":"Task 0: Setting up your repository"},{"location":"recitations/deployment-workshop/#task-1-continuous-deployment","text":"To start off, you'll be deploying the app you just forked on one cloud platform - Render. The goal here is to make your app accessible over the internet. You'll also be setting up continuous deployment such that this deployment is updated with the latest version of the app, whenever you push code to the main branch of your repository. Create an account on Render Create a new Web Service Choose \"Build and deploy from a Git repository\" Click on Configure account under GitHub, to give Render access to your GitHub repositories - this is necessary to setup continuous deployment. Connect your basic-web-app fork to the Web Service you just created Name your web server -313 Set the Runtime to \"Node\", Build Command to npm install; npm run build and Start Command to npm start Select \"Singapore (Southeast Asia)\" as the region Make sure that the \"Free\" Instance Type is selected, and click \"Create Web Service\" When the build completes, click on the link of the form *.onrender.com at the top of the page to view the deployment.","title":"Task 1: Continuous Deployment"},{"location":"recitations/deployment-workshop/#task-2-implement-what-is-your-andrew-id","text":"To test that the continuous deployments are working as expected, and familiarize yourself with the basic web app codebase, let's implement support for the query \"What is your Andrew ID?\" Extend the QueryProcessor function to support this question in utils/QueryProcessor.tsx - this is where all the Query Processing logic exists Verify that the implementation is correct by running the app locally and testing manually. Write a test for the query you just implemented in __tests__/utils/QueryProcess.test.ts Verify that the tests function correctly by running npm run test . Commit and push your changes Once pushed, verify that CD is functioning correctly by checking that a new deployment is triggered on Render dashboard. Once the deployments are complete manually verify that both support the query you just implemented.","title":"Task 2: Implement \"What is your Andrew ID?\""},{"location":"recitations/deployment-workshop/#bonus-task-continuous-integration","text":"While the steps above are all that is required for the Extreme Startup game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Conditional CD In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed on Render. Cool! Remember to do Cloud Deployment Workshop Quiz on Gradescope !","title":"Bonus Task: Continuous Integration"},{"location":"recitations/reci1-github/","text":"Recitation 1: Using Git & Github for Collaborative Development \u00b6 Overview \u00b6 After this recitation, the students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the GitFlow workflow and how to collaborate with other developers in their projects. Prerequisites \u00b6 You have a GitHub account You have Git installed You have TypeScript installed You know Git Basics You will be doing the activities as pairs, so be sure to find a partner! Unless specified, each step is to be done by both people. Activity 1a: Forking a repo and adding a collaborator \u00b6 Have either you or your partner fork this repository , then add the other person as a collaborator on GitHub. You can do so by clicking on Settings , then Collaborators Under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository Clone the repository onto your local machine Activity 1b: Run a GitHub Action Workflow \u00b6 On Github, click the Actions tab, enable the workflows and select the \u201cLint and Test\u201d workflow Click on the \"Run workflow\" dropdown, then the \"Run workflow\" button (leave Branch to be main ). This runs the GitHub workflow that runs the linter and tests on the project Our GH actions pipeline suggests that the main branch is broken! Let\u2019s walk through the process to fix these errors. Merging to main In practice, you should not merge a branch into the main branch that could cause main to fail. This way, we can ensure that all the code on main is our most recent working product Activity 2: Setting up Kanban board and creating issues \u00b6 Click through the build output and take a look at why eslint is failing. Take note of the names of each file - you should use these when naming your issues! On GitHub, under the Project tab, have one person create a new project with the \"Board\" template. Make sure to set the project to public and invite your partner as a collaborator Go back to the Project tab on the repository page and add the project board Under the Issues tab, have the other person create an issue for for correctly translating each typescript file that fails the eslint workflow Assign yourselves to both issues, one for each person Add the two issues to the project Kanban board under the Todo column Activity 3: Branching, committing, and pushing \u00b6 In your local machine, create a new branch with a relevant name to the issue you are addressing (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ) Fix the issue that you were assigned to, then add and commit the changes Commits should start with a verb, and what it does to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ) Push the branch to remote git push --set-upstream origin Activity 4: Writing pull requests \u00b6 On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch Make sure it is to the main of your own forked repository! By default, Github selects the original repository instead of your own forked repository. Name your pull request appropriately In the description, describe what changes has been made to address the issue, and how has the changes been tested Notice that the GitHub action workflow runs automatically when you create the pull request! You should check that the file you translated passes the eslint check and that the correctness tests still pass Assign the issue you created to the pull request Request your partner for a code review Activity 5a: Doing code reviews and resolving merge conflicts \u00b6 Review your partner\u2019s code (use the review change button). Approve changes if it looks good Once your PR has been reviewed, merge your changes! Resolve any merge conflicts that arises accordingly Return to the Kanban board. If everything was set up correctly, the issue should automatically move into the Done column Activity 5b: Check GitHub actions \u00b6 Click on the Actions tab. If you have resolved all the issues correctly, the tests and linter should now pass, and a green check should show Remember to do Recitation Quiz 1 on Gradescope! Please only open it after you have completed all the steps above.","title":"Recitation 1 - Git & GitHub"},{"location":"recitations/reci1-github/#recitation-1-using-git-github-for-collaborative-development","text":"","title":"Recitation 1: Using Git & Github for Collaborative Development"},{"location":"recitations/reci1-github/#overview","text":"After this recitation, the students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the GitFlow workflow and how to collaborate with other developers in their projects.","title":"Overview"},{"location":"recitations/reci1-github/#prerequisites","text":"You have a GitHub account You have Git installed You have TypeScript installed You know Git Basics You will be doing the activities as pairs, so be sure to find a partner! Unless specified, each step is to be done by both people.","title":"Prerequisites"},{"location":"recitations/reci1-github/#activity-1a-forking-a-repo-and-adding-a-collaborator","text":"Have either you or your partner fork this repository , then add the other person as a collaborator on GitHub. You can do so by clicking on Settings , then Collaborators Under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository Clone the repository onto your local machine","title":"Activity 1a: Forking a repo and adding a collaborator"},{"location":"recitations/reci1-github/#activity-1b-run-a-github-action-workflow","text":"On Github, click the Actions tab, enable the workflows and select the \u201cLint and Test\u201d workflow Click on the \"Run workflow\" dropdown, then the \"Run workflow\" button (leave Branch to be main ). This runs the GitHub workflow that runs the linter and tests on the project Our GH actions pipeline suggests that the main branch is broken! Let\u2019s walk through the process to fix these errors. Merging to main In practice, you should not merge a branch into the main branch that could cause main to fail. This way, we can ensure that all the code on main is our most recent working product","title":"Activity 1b: Run a GitHub Action Workflow"},{"location":"recitations/reci1-github/#activity-2-setting-up-kanban-board-and-creating-issues","text":"Click through the build output and take a look at why eslint is failing. Take note of the names of each file - you should use these when naming your issues! On GitHub, under the Project tab, have one person create a new project with the \"Board\" template. Make sure to set the project to public and invite your partner as a collaborator Go back to the Project tab on the repository page and add the project board Under the Issues tab, have the other person create an issue for for correctly translating each typescript file that fails the eslint workflow Assign yourselves to both issues, one for each person Add the two issues to the project Kanban board under the Todo column","title":"Activity 2: Setting up Kanban board and creating issues"},{"location":"recitations/reci1-github/#activity-3-branching-committing-and-pushing","text":"In your local machine, create a new branch with a relevant name to the issue you are addressing (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ) Fix the issue that you were assigned to, then add and commit the changes Commits should start with a verb, and what it does to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ) Push the branch to remote git push --set-upstream origin ","title":"Activity 3: Branching, committing, and pushing"},{"location":"recitations/reci1-github/#activity-4-writing-pull-requests","text":"On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch Make sure it is to the main of your own forked repository! By default, Github selects the original repository instead of your own forked repository. Name your pull request appropriately In the description, describe what changes has been made to address the issue, and how has the changes been tested Notice that the GitHub action workflow runs automatically when you create the pull request! You should check that the file you translated passes the eslint check and that the correctness tests still pass Assign the issue you created to the pull request Request your partner for a code review","title":"Activity 4: Writing pull requests"},{"location":"recitations/reci1-github/#activity-5a-doing-code-reviews-and-resolving-merge-conflicts","text":"Review your partner\u2019s code (use the review change button). Approve changes if it looks good Once your PR has been reviewed, merge your changes! Resolve any merge conflicts that arises accordingly Return to the Kanban board. If everything was set up correctly, the issue should automatically move into the Done column","title":"Activity 5a: Doing code reviews and resolving merge conflicts"},{"location":"recitations/reci1-github/#activity-5b-check-github-actions","text":"Click on the Actions tab. If you have resolved all the issues correctly, the tests and linter should now pass, and a green check should show Remember to do Recitation Quiz 1 on Gradescope! Please only open it after you have completed all the steps above.","title":"Activity 5b: Check GitHub actions"},{"location":"recitations/reci10-open-source/","text":"Recitation 10: Open Source Projects \u00b6 Overview \u00b6 This recitation will give you the opportunity to familiarize yourself with various open source projects and help your team with finding a project to work on for Project 5. Context \u00b6 Open source software refers to software where the code is openly available, allowing contributors to freely run, modify, contribute, and redistribute the code. These projects provide a great learning experience of working with large codebases to beginner programmers, and give you the opportunity to contribute to software that\u2019s used by a large number of community members. The general criteria for an open source project: - Repository must be public & open to outside contributors - Repository must have an open source license Scavenger Hunt (30 min) \u00b6 Join the slide deck made by your TA for your class and make a copy of the slide for your team. Then, search for open source projects to fill each square in the Scavenger Hunt table. Each project can only count for one square. The goal is to have as many squares filled as possible! While learning about different open source projects, think about what type of projects you would be interested in working on for Project 5. Reflection (10 min) \u00b6 With your team, discuss the following questions: - Which attributes make a good open source project? A bad open source project? - Which projects did you find that you would most like to work on? Which would you least like to work on? Why? Pick 3 projects that you are interested in pursing for Project 5. Public Project Selection \u00b6 Once your team has decided on an open source project, add it to the Public Project Selection Spreadsheet . Resources \u00b6 A list of beginner friendly projects: https://github.com/MunGell/awesome-for-beginners Github Showcase for new contributors: https://github.com/showcases/great-for-new-contributors Issues that are labeled \u201cup-for-grabs\u201d: https://up-for-grabs.net Apache projects: http://www.apache.org/ Mozilla projects: https://developer.mozilla.org/en-US/docs/MDN/Community/Contributing Mozilla has a number of Open Source projects (including Firefox and Thunderbird) that are actively being developed and they recommend bugs for new contributors","title":"Recitation 10 - Open Source Projects"},{"location":"recitations/reci10-open-source/#recitation-10-open-source-projects","text":"","title":"Recitation 10: Open Source Projects"},{"location":"recitations/reci10-open-source/#overview","text":"This recitation will give you the opportunity to familiarize yourself with various open source projects and help your team with finding a project to work on for Project 5.","title":"Overview"},{"location":"recitations/reci10-open-source/#context","text":"Open source software refers to software where the code is openly available, allowing contributors to freely run, modify, contribute, and redistribute the code. These projects provide a great learning experience of working with large codebases to beginner programmers, and give you the opportunity to contribute to software that\u2019s used by a large number of community members. The general criteria for an open source project: - Repository must be public & open to outside contributors - Repository must have an open source license","title":"Context"},{"location":"recitations/reci10-open-source/#scavenger-hunt-30-min","text":"Join the slide deck made by your TA for your class and make a copy of the slide for your team. Then, search for open source projects to fill each square in the Scavenger Hunt table. Each project can only count for one square. The goal is to have as many squares filled as possible! While learning about different open source projects, think about what type of projects you would be interested in working on for Project 5.","title":"Scavenger Hunt (30 min)"},{"location":"recitations/reci10-open-source/#reflection-10-min","text":"With your team, discuss the following questions: - Which attributes make a good open source project? A bad open source project? - Which projects did you find that you would most like to work on? Which would you least like to work on? Why? Pick 3 projects that you are interested in pursing for Project 5.","title":"Reflection (10 min)"},{"location":"recitations/reci10-open-source/#public-project-selection","text":"Once your team has decided on an open source project, add it to the Public Project Selection Spreadsheet .","title":"Public Project Selection"},{"location":"recitations/reci10-open-source/#resources","text":"A list of beginner friendly projects: https://github.com/MunGell/awesome-for-beginners Github Showcase for new contributors: https://github.com/showcases/great-for-new-contributors Issues that are labeled \u201cup-for-grabs\u201d: https://up-for-grabs.net Apache projects: http://www.apache.org/ Mozilla projects: https://developer.mozilla.org/en-US/docs/MDN/Community/Contributing Mozilla has a number of Open Source projects (including Firefox and Thunderbird) that are actively being developed and they recommend bugs for new contributors","title":"Resources"},{"location":"recitations/reci11-p5-checkin/","text":"Recitation 11: Open Source Project and Task Selection Check In \u00b6 This recitation is dedicated to an in-person group presentation about your project and task selection. See P5A: Project and Task Selection for more details. Make sure to submit your slides on Gradescope before you present. Use this form to provide feedback on all peer presentation. Participation credit will be provided based on the feedback you provide.","title":"Recitation 10 - Open Source Projects"},{"location":"recitations/reci11-p5-checkin/#recitation-11-open-source-project-and-task-selection-check-in","text":"This recitation is dedicated to an in-person group presentation about your project and task selection. See P5A: Project and Task Selection for more details. Make sure to submit your slides on Gradescope before you present. Use this form to provide feedback on all peer presentation. Participation credit will be provided based on the feedback you provide.","title":"Recitation 11: Open Source Project and Task Selection Check In"},{"location":"recitations/reci2-teamcontract/","text":"Recitation 2: Team Contract Workshop \u00b6 Overview \u00b6 After this recitation, students will have met their teams and completed a rough draft of the teamwork contract they'll submit for Project 2. Students will meet their teams and discuss important aspects of team work such as setting expectations, managing communication, and distributing responsibility. Prerequisites \u00b6 None! You will be doing the activities in your teams. Sit with them! Activity 1: Get to know your team! \u00b6 See team assignments. Do some quick intros, then get ready for.. Activity 1a: Similarities! \u00b6 In your group, spend 5 minutes finding things that every group member has in common. If your team has n people, find n such similarities. Try to avoid simple things like: everyone is a CMU student, everyone is enrolled in 313, everyone loves 313, etc\u2026 Activity 1b: Team Name \u00b6 As part of Project 2, you\u2019ll need to come up with a name for your team. Do so now! As per the project handout, your name should be \u201cunique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children.\u201d Activity 2: Team Contract \u00b6 In Project 2, we'll ask you to write up and submit a team contract, which will be a written record of how your team will work together. In this activity, we'll create a rough outline of the team contract and start the discussions around important team building and teamwork topics. First, determine where you'll write your contract and how you'll keep track of the talking points you discuss today. We suggest creating a shared Google Drive folder and doc for easy access and editing. Next, you'll work through each of the following sections with your team and as a class. Think about your prior experience working in other teams (work, school, sports, etc) and try to anticipate what might come up over the course of the semester. After each section, we'll discuss as a class and see what you came up with! Activity 2a: Expectations \u00b6 Here are some of the important questions to consider regarding setting expectations: How much time is each team member expected to be putting into working on projects? How will you deal with unforeseen circumstances affecting team members (sickness, interviews, competitions)? Activity 2b: Communication and Scheduling \u00b6 Here are some important questions to consider regarding team communication: When will your team meet? Setting aside a day and time to have recurring meetings is an important marker of team success. What platform (s) will your team be using to communicate? How quickly should team members respond? Will you meet in person or through Zoom? What will / will you not accommodate? If a deadline is approaching and there is still work to be done, how will you meet / communicate? Activity 2c: Responsibilities and Conflict Resolution \u00b6 Here are some important questions to consider regarding distributing responsibilities and what your team might do in the case of any conflict: How will you divide responsibilities and tasks between team members? Who will be in charge of organizing, running, and taking notes during meetings ? How will you rotate this responsibility? How will you address any teamwork issues that may come up? What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? Remember to do Recitation Quiz 2 on Gradescope! Please only open it after you have completed all the steps above.","title":"Recitation 2 - Team Contract Workshop"},{"location":"recitations/reci2-teamcontract/#recitation-2-team-contract-workshop","text":"","title":"Recitation 2: Team Contract Workshop"},{"location":"recitations/reci2-teamcontract/#overview","text":"After this recitation, students will have met their teams and completed a rough draft of the teamwork contract they'll submit for Project 2. Students will meet their teams and discuss important aspects of team work such as setting expectations, managing communication, and distributing responsibility.","title":"Overview"},{"location":"recitations/reci2-teamcontract/#prerequisites","text":"None! You will be doing the activities in your teams. Sit with them!","title":"Prerequisites"},{"location":"recitations/reci2-teamcontract/#activity-1-get-to-know-your-team","text":"See team assignments. Do some quick intros, then get ready for..","title":"Activity 1: Get to know your team!"},{"location":"recitations/reci2-teamcontract/#activity-1a-similarities","text":"In your group, spend 5 minutes finding things that every group member has in common. If your team has n people, find n such similarities. Try to avoid simple things like: everyone is a CMU student, everyone is enrolled in 313, everyone loves 313, etc\u2026","title":"Activity 1a: Similarities!"},{"location":"recitations/reci2-teamcontract/#activity-1b-team-name","text":"As part of Project 2, you\u2019ll need to come up with a name for your team. Do so now! As per the project handout, your name should be \u201cunique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children.\u201d","title":"Activity 1b: Team Name"},{"location":"recitations/reci2-teamcontract/#activity-2-team-contract","text":"In Project 2, we'll ask you to write up and submit a team contract, which will be a written record of how your team will work together. In this activity, we'll create a rough outline of the team contract and start the discussions around important team building and teamwork topics. First, determine where you'll write your contract and how you'll keep track of the talking points you discuss today. We suggest creating a shared Google Drive folder and doc for easy access and editing. Next, you'll work through each of the following sections with your team and as a class. Think about your prior experience working in other teams (work, school, sports, etc) and try to anticipate what might come up over the course of the semester. After each section, we'll discuss as a class and see what you came up with!","title":"Activity 2: Team Contract"},{"location":"recitations/reci2-teamcontract/#activity-2a-expectations","text":"Here are some of the important questions to consider regarding setting expectations: How much time is each team member expected to be putting into working on projects? How will you deal with unforeseen circumstances affecting team members (sickness, interviews, competitions)?","title":"Activity 2a: Expectations"},{"location":"recitations/reci2-teamcontract/#activity-2b-communication-and-scheduling","text":"Here are some important questions to consider regarding team communication: When will your team meet? Setting aside a day and time to have recurring meetings is an important marker of team success. What platform (s) will your team be using to communicate? How quickly should team members respond? Will you meet in person or through Zoom? What will / will you not accommodate? If a deadline is approaching and there is still work to be done, how will you meet / communicate?","title":"Activity 2b: Communication and Scheduling"},{"location":"recitations/reci2-teamcontract/#activity-2c-responsibilities-and-conflict-resolution","text":"Here are some important questions to consider regarding distributing responsibilities and what your team might do in the case of any conflict: How will you divide responsibilities and tasks between team members? Who will be in charge of organizing, running, and taking notes during meetings ? How will you rotate this responsibility? How will you address any teamwork issues that may come up? What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? Remember to do Recitation Quiz 2 on Gradescope! Please only open it after you have completed all the steps above.","title":"Activity 2c: Responsibilities and Conflict Resolution"},{"location":"recitations/reci3-archaeology/","text":"Recitation 3: Software Archaeology \u00b6 Overview \u00b6 In today\u2019s recitation, we will practice getting to know an unknown codebase specifically in the context of a bug in a python-clone of Instagram, Albumy. Let's fix some bugs! Check out this issue of the bug. Currently, comments can\u2019t be deleted. Even if we click on the delete button, it does not work. Task 0: Clone the repo \u00b6 Fork this repository and clone it. Follow the README to install the necessary modules and run Albumy. Task 1: Reproduce the bug \u00b6 After you've successfully ran the program, go through it to reproduce the bug. Task 2: Diving into the code and fixing the bug \u00b6 Let\u2019s learn more about this bug! Your high-level goal is to identify the code producing the bug and remember more about the bug en route to fix it. We\u2019d like you to dive into the codebase and \u201cexcavate\u201d the buggy code. Try some or all of the following tasks: Explore the albumy directory Can you find functions that look like the same buggy code you\u2019ve found? Use your IDE to jump to a definition implicated in the code you\u2019re debugging Try making a change! It will reflect in the UI. Can you fix the bug? Task 3: Making a Pull Request \u00b6 If you\u2019ve finished all that, Add and commit your changes Push the code to your forked repository. Create a pull request that links the issue.","title":"Recitation 3 - Software Archaeology"},{"location":"recitations/reci3-archaeology/#recitation-3-software-archaeology","text":"","title":"Recitation 3: Software Archaeology"},{"location":"recitations/reci3-archaeology/#overview","text":"In today\u2019s recitation, we will practice getting to know an unknown codebase specifically in the context of a bug in a python-clone of Instagram, Albumy. Let's fix some bugs! Check out this issue of the bug. Currently, comments can\u2019t be deleted. Even if we click on the delete button, it does not work.","title":"Overview"},{"location":"recitations/reci3-archaeology/#task-0-clone-the-repo","text":"Fork this repository and clone it. Follow the README to install the necessary modules and run Albumy.","title":"Task 0: Clone the repo"},{"location":"recitations/reci3-archaeology/#task-1-reproduce-the-bug","text":"After you've successfully ran the program, go through it to reproduce the bug.","title":"Task 1: Reproduce the bug"},{"location":"recitations/reci3-archaeology/#task-2-diving-into-the-code-and-fixing-the-bug","text":"Let\u2019s learn more about this bug! Your high-level goal is to identify the code producing the bug and remember more about the bug en route to fix it. We\u2019d like you to dive into the codebase and \u201cexcavate\u201d the buggy code. Try some or all of the following tasks: Explore the albumy directory Can you find functions that look like the same buggy code you\u2019ve found? Use your IDE to jump to a definition implicated in the code you\u2019re debugging Try making a change! It will reflect in the UI. Can you fix the bug?","title":"Task 2: Diving into the code and fixing the bug"},{"location":"recitations/reci3-archaeology/#task-3-making-a-pull-request","text":"If you\u2019ve finished all that, Add and commit your changes Push the code to your forked repository. Create a pull request that links the issue.","title":"Task 3: Making a Pull Request"},{"location":"recitations/reci4-dysfunction/","text":"Recitation 4: Team Dysfunction \u00b6 Overview \u00b6 This recitation will give you the opportunity to practice and reflect on the roles you play within a team. We'll be going over common team dysfunction issues and discuss mitigation strategies. Context \u00b6 All teams are inherently dysfunctional in some sense. This is inevitable as they are made up of fallible, imperfect human beings, each with different goals and intentions. Thankfully, the causes of dysfunction are both identifiable and curable, but definitely not easy to resolve. Making a team functional and cohesive requires courage, good communication, and a strong resolve to making the team better. Part 0: Preparation \u00b6 We have pre-assigned each team to a set of roles. Have each member of the team choose a role from the options we give you. Keep your role secret from the other groups! We will have the audience guess your roles when your team presents to the class. Part 1: Task Planning Meeting Rehearsal (5 min) \u00b6 Congratulations! Your team has been hired as software developers to work on CMU's graduate school application system. We have assigned each team to a specifc task. Each group's tasks are below. You only have to roleplay your assigned task. As a team, research and find tools that can be used to improve your assigned system. Compare the strengths and weaknesses of the tools. At the end of this activity, your group should have agreed on a tool to use. Be sure to also assign each member a task in order to integrate the tool into your assigned system. Team 1 \u00b6 For your first assignment, you've been asked to develop a better system for handling online payments made by graduate students for their applications. Team 2 \u00b6 For your first assignment, you've been asked to develop a better system for sending acceptances to accepted students. Team 3 \u00b6 For your first assignment, you've been asked to develop a better system for students to log in to their application portal. Team 4 \u00b6 For your first assignment, you've been asked to develop a better system for students to upload documents to their application. Activity Notes: Each member should act as their role during the meeting. Try to fix the dysfunction presented in this meeting and reflect on how you would fix similar issues if they come up in Project 2. Part 2: Presentations! (15 min) \u00b6 Each group will present their meeting to the class (~2 minutes per presentation). The audience will then guess the roles of each of the members of the presenting group. Best group will win a prize! Part 3: Class Discussion (15 min) \u00b6 As a class, discuss the following questions: Were you able to identify the roles played by the other groups? What problems were caused by their behavior? How would you handle these dysfunctional characteristics in future situations? Can you think of mitigation strategies and solutions to avoid these problems? Appendix A: Role Descriptions \u00b6 Below a description of the roles for each number 1-7 and the behavior of each one: The Contributor: You are aiming for general team success. Ask for your team members' opinions often, actively discuss solutions with your team, and demonstrate engagement throughout the activity. The Know-It-All: You think you are extremely experienced and know how to solve all problems on your own. Act like you don't need any help and just tell your team to watch while you search for the tool. Be pushy in telling other members how to search for information about the tool and shoot other members' ideas down. The Silent One: You assume your team members know everything and don\u2019t feel you need to say much. Pay attention to the meeting, but simply do not suggest anything. Remain passive but friendly. The Agreer: You are afraid of raising conflicts and hence decided to just go along with whatever your team decides. Agree with everything during the activity and do not question the decisions of your team. The Hitchhiker: Your goal is to do as little work as possible. Be friendly but not productive. Try to end the meeting as quickly as possible so you can slack off. Get other people to step in for you and take over your tasks. Make fake attempts to make it look like you tried to figure out the task, then pass off the work to someone else. The Flaker: You're interested in the project, but don't want to contribute more time than necessary. Actively contribute to group discussions until tasks are being assigned, then begin giving reasons why you can't contribute more (i.e. busy with interview prep, midterm, or other assignments). If asked to do something else, continue finding other excuses on why you can\u2019t contribute. The Perfectionist: You want this project to be absolutely perfect in even the most minor details. To you, it's most important that the tool\u2019s source code is fully readable, perfectly documented, has a large test suite, and is aesthetically pleasing , and you will argue for or against the tool based on these minor details.","title":"Recitation 4 - Team Dysfunction"},{"location":"recitations/reci4-dysfunction/#recitation-4-team-dysfunction","text":"","title":"Recitation 4: Team Dysfunction"},{"location":"recitations/reci4-dysfunction/#overview","text":"This recitation will give you the opportunity to practice and reflect on the roles you play within a team. We'll be going over common team dysfunction issues and discuss mitigation strategies.","title":"Overview"},{"location":"recitations/reci4-dysfunction/#context","text":"All teams are inherently dysfunctional in some sense. This is inevitable as they are made up of fallible, imperfect human beings, each with different goals and intentions. Thankfully, the causes of dysfunction are both identifiable and curable, but definitely not easy to resolve. Making a team functional and cohesive requires courage, good communication, and a strong resolve to making the team better.","title":"Context"},{"location":"recitations/reci4-dysfunction/#part-0-preparation","text":"We have pre-assigned each team to a set of roles. Have each member of the team choose a role from the options we give you. Keep your role secret from the other groups! We will have the audience guess your roles when your team presents to the class.","title":"Part 0: Preparation"},{"location":"recitations/reci4-dysfunction/#part-1-task-planning-meeting-rehearsal-5-min","text":"Congratulations! Your team has been hired as software developers to work on CMU's graduate school application system. We have assigned each team to a specifc task. Each group's tasks are below. You only have to roleplay your assigned task. As a team, research and find tools that can be used to improve your assigned system. Compare the strengths and weaknesses of the tools. At the end of this activity, your group should have agreed on a tool to use. Be sure to also assign each member a task in order to integrate the tool into your assigned system.","title":"Part 1: Task Planning Meeting Rehearsal (5 min)"},{"location":"recitations/reci4-dysfunction/#team-1","text":"For your first assignment, you've been asked to develop a better system for handling online payments made by graduate students for their applications.","title":"Team 1"},{"location":"recitations/reci4-dysfunction/#team-2","text":"For your first assignment, you've been asked to develop a better system for sending acceptances to accepted students.","title":"Team 2"},{"location":"recitations/reci4-dysfunction/#team-3","text":"For your first assignment, you've been asked to develop a better system for students to log in to their application portal.","title":"Team 3"},{"location":"recitations/reci4-dysfunction/#team-4","text":"For your first assignment, you've been asked to develop a better system for students to upload documents to their application. Activity Notes: Each member should act as their role during the meeting. Try to fix the dysfunction presented in this meeting and reflect on how you would fix similar issues if they come up in Project 2.","title":"Team 4"},{"location":"recitations/reci4-dysfunction/#part-2-presentations-15-min","text":"Each group will present their meeting to the class (~2 minutes per presentation). The audience will then guess the roles of each of the members of the presenting group. Best group will win a prize!","title":"Part 2: Presentations! (15 min)"},{"location":"recitations/reci4-dysfunction/#part-3-class-discussion-15-min","text":"As a class, discuss the following questions: Were you able to identify the roles played by the other groups? What problems were caused by their behavior? How would you handle these dysfunctional characteristics in future situations? Can you think of mitigation strategies and solutions to avoid these problems?","title":"Part 3: Class Discussion (15 min)"},{"location":"recitations/reci4-dysfunction/#appendix-a-role-descriptions","text":"Below a description of the roles for each number 1-7 and the behavior of each one: The Contributor: You are aiming for general team success. Ask for your team members' opinions often, actively discuss solutions with your team, and demonstrate engagement throughout the activity. The Know-It-All: You think you are extremely experienced and know how to solve all problems on your own. Act like you don't need any help and just tell your team to watch while you search for the tool. Be pushy in telling other members how to search for information about the tool and shoot other members' ideas down. The Silent One: You assume your team members know everything and don\u2019t feel you need to say much. Pay attention to the meeting, but simply do not suggest anything. Remain passive but friendly. The Agreer: You are afraid of raising conflicts and hence decided to just go along with whatever your team decides. Agree with everything during the activity and do not question the decisions of your team. The Hitchhiker: Your goal is to do as little work as possible. Be friendly but not productive. Try to end the meeting as quickly as possible so you can slack off. Get other people to step in for you and take over your tasks. Make fake attempts to make it look like you tried to figure out the task, then pass off the work to someone else. The Flaker: You're interested in the project, but don't want to contribute more time than necessary. Actively contribute to group discussions until tasks are being assigned, then begin giving reasons why you can't contribute more (i.e. busy with interview prep, midterm, or other assignments). If asked to do something else, continue finding other excuses on why you can\u2019t contribute. The Perfectionist: You want this project to be absolutely perfect in even the most minor details. To you, it's most important that the tool\u2019s source code is fully readable, perfectly documented, has a large test suite, and is aesthetically pleasing , and you will argue for or against the tool based on these minor details.","title":"Appendix A: Role Descriptions"},{"location":"recitations/reci5-midterm-review/","text":"Recitation 5: Midterm Review \u00b6 Overview \u00b6 As we have our midterm scheduled for Tuesday, October 3rd, this recitation slot will be used for a midterm review. Complete the exams from past years listed below and come to recitation with any questions! Note: As we have not yet covered software engineering for ML this semester, please ignore those questions. The SE4ML material will not appear on the exam. Exams \u00b6 Fall 2020 Fall 2021 Fall 2022","title":"Recitation 5 - Midterm Review"},{"location":"recitations/reci5-midterm-review/#recitation-5-midterm-review","text":"","title":"Recitation 5: Midterm Review"},{"location":"recitations/reci5-midterm-review/#overview","text":"As we have our midterm scheduled for Tuesday, October 3rd, this recitation slot will be used for a midterm review. Complete the exams from past years listed below and come to recitation with any questions! Note: As we have not yet covered software engineering for ML this semester, please ignore those questions. The SE4ML material will not appear on the exam.","title":"Overview"},{"location":"recitations/reci5-midterm-review/#exams","text":"Fall 2020 Fall 2021 Fall 2022","title":"Exams"},{"location":"recitations/reci6-deployment/","text":"Recitation 6: Deployment \u00b6 Overview \u00b6 Throughout this recitation, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with Fly.io (or Vercel as a backup) Set up the Extreme Startup web app for use in Tuesday's (3/14) lecture Definitions \u00b6 Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here! Task 0: Prep \u00b6 For this recitation, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Tuesday during the ~Extreme Startup~ game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Warning Do not use codespaces for this task, and the rest of the recitation. Everything must be done locally. Fork this repo: https://github.com/CMU-313/basic-web-app . Follow the instructions in the readme to run the development server locally. Install the Fly.io CLI and set up the Fly.io account that you'll use to host your app. Complete steps 1-3 of the instructions here . In your local basic-web-app repo, run fly launch followed by fly open Now check your fly.io dashboard to monitor your app deployment. This has already been a lot of instructions, so good job for getting this far!!! Note: Fly.io offers a free tier and you should not be required to enter any credit card info for the purposes of this recitation. If you get a message saying that a credit card is required, you can complete the recitation using Vercel instead. See the backup instructions below. Task 1: Continuous Deployment \u00b6 Next, we'll setup CD. Our goal is to set up a GitHub action that links to our Fly.io account and automatically redeploys a new version of our app whenever a new change is pushed into the main branch. The steps to do this are as follows: Get a Fly API token with flyctl auth token . Go to your fork on GitHub and click Settings. Go to Secrets and Variables > Actions and create a repository secret called FLY_API_TOKEN with the value of the token from the previous step. This is how GitHub will link to your Fly.io account. Double check that fly.toml (the config file fly.io uses for deployment) is not listed in your .gitignore . Create a new file .github/workflows/fly.yml .This is the file that will outline instructions for the GitHub action. Fill the file with the contents listed under step 8 here . Commit and push your changes! Now let's take a step back and understand what we've done. First, we generated an authorization token and used it to connect Fly.io to our GitHub repo. Then, we created a fly.yml file setting up a GitHub action that automatically runs the deployment commands whenever a push is made to the main branch. See if you can figure out which lines do what in the code above! Now, look through the codebase and try to change the header on your app's frontend while testing with the local development server. Once you have made your changes, commit and push them. Back on GitHub, you should see the Action trigger and your app will redeploy! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed. Cool! Bonus Task: Continuous Integration \u00b6 While the steps above are all that is required for the ~Extreme Startup~ game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Note: In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! Once this is complete, you will be ready for the game tomorrow. Good job and good luck! Remember to do Recitation 6 Quiz on Gradescope! Vercel Backup Instructions \u00b6 Task 0 \u00b6 See the instructions here to setup a Vercel deployment. Task 1 \u00b6 To learn how to setup a deployment GitHub action for Vercel, see here . Task 2 \u00b6 Same as above!","title":"Recitation 6: Deployment"},{"location":"recitations/reci6-deployment/#recitation-6-deployment","text":"","title":"Recitation 6: Deployment"},{"location":"recitations/reci6-deployment/#overview","text":"Throughout this recitation, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with Fly.io (or Vercel as a backup) Set up the Extreme Startup web app for use in Tuesday's (3/14) lecture","title":"Overview"},{"location":"recitations/reci6-deployment/#definitions","text":"Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!","title":"Definitions"},{"location":"recitations/reci6-deployment/#task-0-prep","text":"For this recitation, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Tuesday during the ~Extreme Startup~ game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Warning Do not use codespaces for this task, and the rest of the recitation. Everything must be done locally. Fork this repo: https://github.com/CMU-313/basic-web-app . Follow the instructions in the readme to run the development server locally. Install the Fly.io CLI and set up the Fly.io account that you'll use to host your app. Complete steps 1-3 of the instructions here . In your local basic-web-app repo, run fly launch followed by fly open Now check your fly.io dashboard to monitor your app deployment. This has already been a lot of instructions, so good job for getting this far!!! Note: Fly.io offers a free tier and you should not be required to enter any credit card info for the purposes of this recitation. If you get a message saying that a credit card is required, you can complete the recitation using Vercel instead. See the backup instructions below.","title":"Task 0: Prep"},{"location":"recitations/reci6-deployment/#task-1-continuous-deployment","text":"Next, we'll setup CD. Our goal is to set up a GitHub action that links to our Fly.io account and automatically redeploys a new version of our app whenever a new change is pushed into the main branch. The steps to do this are as follows: Get a Fly API token with flyctl auth token . Go to your fork on GitHub and click Settings. Go to Secrets and Variables > Actions and create a repository secret called FLY_API_TOKEN with the value of the token from the previous step. This is how GitHub will link to your Fly.io account. Double check that fly.toml (the config file fly.io uses for deployment) is not listed in your .gitignore . Create a new file .github/workflows/fly.yml .This is the file that will outline instructions for the GitHub action. Fill the file with the contents listed under step 8 here . Commit and push your changes! Now let's take a step back and understand what we've done. First, we generated an authorization token and used it to connect Fly.io to our GitHub repo. Then, we created a fly.yml file setting up a GitHub action that automatically runs the deployment commands whenever a push is made to the main branch. See if you can figure out which lines do what in the code above! Now, look through the codebase and try to change the header on your app's frontend while testing with the local development server. Once you have made your changes, commit and push them. Back on GitHub, you should see the Action trigger and your app will redeploy! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed. Cool!","title":"Task 1: Continuous Deployment"},{"location":"recitations/reci6-deployment/#bonus-task-continuous-integration","text":"While the steps above are all that is required for the ~Extreme Startup~ game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Note: In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! Once this is complete, you will be ready for the game tomorrow. Good job and good luck! Remember to do Recitation 6 Quiz on Gradescope!","title":"Bonus Task: Continuous Integration"},{"location":"recitations/reci6-deployment/#vercel-backup-instructions","text":"","title":"Vercel Backup Instructions"},{"location":"recitations/reci6-deployment/#task-0","text":"See the instructions here to setup a Vercel deployment.","title":"Task 0"},{"location":"recitations/reci6-deployment/#task-1","text":"To learn how to setup a deployment GitHub action for Vercel, see here .","title":"Task 1"},{"location":"recitations/reci6-deployment/#task-2","text":"Same as above!","title":"Task 2"},{"location":"recitations/reci7-docker/","text":"Recitation 7: Microservices and Docker \u00b6 Prerequisites \u00b6 You should have downloaded Docker. If you haven't follow the installation instructions here Setup Instructions (10 min): \u00b6 Fork this repo and clone it. Overview \u00b6 During this recitation, students will create a simple FastAPI app, containerize it and deploy it. Context \u00b6 Whos-my-ta is a microservice that provides information about recitation sections. By using the section_id endpoint, you can enter the section id (for example: a) to get the names of the TAs that are in charge of that section. Try it out using this link: https://whos-my-ta.fly.dev/section_id/a Sadly, you still are unsure when your recitation time is. All you have to do is build a new service that builds on top of this microservice by including the time of the recitation as well. You will do this by implementing the section_info endpoint. The endpoint has to return a JSON object in the following form: { \"section\" : \"section_name\" , \"start_time\" : \"HH:MM\" , \"end_time\" : \"HH:MM\" , \"ta\" : [ \"taName1\" , \"taName2\" ] } Activity \u00b6 Implement the section_info endpoint according to the specifications. You can edit app/main.py to do so. Test it by running the app locally. To install necessary files: pip install -r requirements.txt To run the app locally use the following command. Change the port number if you need to: uvicorn app.main:app --host 0.0.0.0 --port 8080 Implement ./Dockerfile . You can use the slides and this link as resources. Create the docker image using the command below, and check that the image has been created. docker build -t YOUR_IMAGE_NAME . Implement ./docker-compose.yml . You can use the slides for reference. Create a container using the docker image using the command below. docker-compose up -d Check that your container is running correctly by locally invoking the endpoint. You can try http://localhost:8080/section_id/a . Change the port number (8080) according to your docker-compose.yml . Bonus \u00b6 Try deploying your container using instructions from here .","title":"Recitation 7: Microservices and Docker"},{"location":"recitations/reci7-docker/#recitation-7-microservices-and-docker","text":"","title":"Recitation 7: Microservices and Docker"},{"location":"recitations/reci7-docker/#prerequisites","text":"You should have downloaded Docker. If you haven't follow the installation instructions here","title":"Prerequisites"},{"location":"recitations/reci7-docker/#setup-instructions-10-min","text":"Fork this repo and clone it.","title":"Setup Instructions (10 min):"},{"location":"recitations/reci7-docker/#overview","text":"During this recitation, students will create a simple FastAPI app, containerize it and deploy it.","title":"Overview"},{"location":"recitations/reci7-docker/#context","text":"Whos-my-ta is a microservice that provides information about recitation sections. By using the section_id endpoint, you can enter the section id (for example: a) to get the names of the TAs that are in charge of that section. Try it out using this link: https://whos-my-ta.fly.dev/section_id/a Sadly, you still are unsure when your recitation time is. All you have to do is build a new service that builds on top of this microservice by including the time of the recitation as well. You will do this by implementing the section_info endpoint. The endpoint has to return a JSON object in the following form: { \"section\" : \"section_name\" , \"start_time\" : \"HH:MM\" , \"end_time\" : \"HH:MM\" , \"ta\" : [ \"taName1\" , \"taName2\" ] }","title":"Context"},{"location":"recitations/reci7-docker/#activity","text":"Implement the section_info endpoint according to the specifications. You can edit app/main.py to do so. Test it by running the app locally. To install necessary files: pip install -r requirements.txt To run the app locally use the following command. Change the port number if you need to: uvicorn app.main:app --host 0.0.0.0 --port 8080 Implement ./Dockerfile . You can use the slides and this link as resources. Create the docker image using the command below, and check that the image has been created. docker build -t YOUR_IMAGE_NAME . Implement ./docker-compose.yml . You can use the slides for reference. Create a container using the docker image using the command below. docker-compose up -d Check that your container is running correctly by locally invoking the endpoint. You can try http://localhost:8080/section_id/a . Change the port number (8080) according to your docker-compose.yml .","title":"Activity"},{"location":"recitations/reci7-docker/#bonus","text":"Try deploying your container using instructions from here .","title":"Bonus"},{"location":"recitations/reci8-team-feedback/","text":"Recitation 8: Team Feedback \u00b6 Review the feedback provided by your teammates, and work with your team to identify and address issues on your team. Do so by following the instructions on the handout provided during recitation. You can also access the handout here. Turn in your action plan Make sure to submit your completed action plan on gradescope to receive participation credit for this recitation.","title":"Recitation 8 - Team Feedback"},{"location":"recitations/reci8-team-feedback/#recitation-8-team-feedback","text":"Review the feedback provided by your teammates, and work with your team to identify and address issues on your team. Do so by following the instructions on the handout provided during recitation. You can also access the handout here. Turn in your action plan Make sure to submit your completed action plan on gradescope to receive participation credit for this recitation.","title":"Recitation 8: Team Feedback"},{"location":"recitations/reci9-actionplan/","text":"Recitation 9: Action Plan \u00b6 Overview \u00b6 This recitation will give you the opportunity to get feedback from your teammates, as well as work together to create an action plan for your future. Individual Relflection Team Discussion Action Plan","title":"Recitation 9 - Action Plan"},{"location":"recitations/reci9-actionplan/#recitation-9-action-plan","text":"","title":"Recitation 9: Action Plan"},{"location":"recitations/reci9-actionplan/#overview","text":"This recitation will give you the opportunity to get feedback from your teammates, as well as work together to create an action plan for your future. Individual Relflection Team Discussion Action Plan","title":"Overview"},{"location":"recitations/reci9-ml/","text":"Recitation 9: Machine Learning \u00b6 Setup Instructions: \u00b6 Go to this repo and clone it Make sure you can run the jupyter notebooks Google Colab is one option to do this (NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook) Make sure to connect to google drive and upload the titanic data set folder, double check the file paths in the notebook to make sure they match You can also run it locally if you have jupyter setup Overview \u00b6 During this recitation, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students! Context \u00b6 You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb. Activity 1: Examine the Titanic Dataset (10 mins) \u00b6 The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it? Activity 2: Import and Analyze Models (5 min) \u00b6 We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section. Activity 3: Fairness Metrics Evaluation (15 mins) \u00b6 An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates. Activity 4: Recommendation (10 mins) \u00b6 Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Recitation 9 - Machine Learning"},{"location":"recitations/reci9-ml/#recitation-9-machine-learning","text":"","title":"Recitation 9: Machine Learning"},{"location":"recitations/reci9-ml/#setup-instructions","text":"Go to this repo and clone it Make sure you can run the jupyter notebooks Google Colab is one option to do this (NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook) Make sure to connect to google drive and upload the titanic data set folder, double check the file paths in the notebook to make sure they match You can also run it locally if you have jupyter setup","title":"Setup Instructions:"},{"location":"recitations/reci9-ml/#overview","text":"During this recitation, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!","title":"Overview"},{"location":"recitations/reci9-ml/#context","text":"You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb.","title":"Context"},{"location":"recitations/reci9-ml/#activity-1-examine-the-titanic-dataset-10-mins","text":"The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it?","title":"Activity 1: Examine the Titanic Dataset (10 mins)"},{"location":"recitations/reci9-ml/#activity-2-import-and-analyze-models-5-min","text":"We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.","title":"Activity 2: Import and Analyze Models (5 min)"},{"location":"recitations/reci9-ml/#activity-3-fairness-metrics-evaluation-15-mins","text":"An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.","title":"Activity 3: Fairness Metrics Evaluation (15 mins)"},{"location":"recitations/reci9-ml/#activity-4-recommendation-10-mins","text":"Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Activity 4: Recommendation (10 mins)"},{"location":"recitations/archive/reci2-angularjs/","text":"Recitation 2: Crash Course in Angular.js \u00b6 Overview \u00b6 This recitation aims to highlight the basics of Angular.js by walking students through the implementation of a basic To-Do list app. Students will be expected to use this knowledge to make changes to the Angular.js components of the Teedy project in a future assignment. Pre-requisites \u00b6 Basic understanding of how the web works Basic HTML/CSS knowledge Basic JavaScript knowledge Task 0: Fork the repl \u00b6 Create an account on repl.it Fork this repl - you\u2019ll be using this to work through this exercise and see your changes When you run the app you should see something like the below screenshot. At this point, all the static HTML for the todo list has been set up. You\u2019ll be working on making the todo list app function properly using Angular.js Task 1: Setup Angular.js \u00b6 Goal: Convert the basic HTML skeleton in the repl to an Angular.js app Steps: Import the Angular.js library by adding the following script tag to the head component of index.html < script src = \"https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js\" > Add the ng-app directive to the main tag to specify the root of your app This involves changing the tag at the top of index.html to Task 2: Data Binding Basics \u00b6 Goal: Display a dynamic title based on user input Steps: Use the ng-model directive to tie the value in the name text input field to a variable in the Angular.js app\u2019s model. Add ng-model=\"varName\" to the name text input tag Include {{varName}} in the Hello here's your todo list string to bind the data in the model to the title in the view Changing the value in the name text field should now change the title in real-time Task 3: Setting up the controller \u00b6 Goal: A boiler-plate controller called TodoListController has been set up in app.js. We want to connect our app with this controller so we can get more control over our todo list Steps: Import app.js by adding the following script tag to the head component of index.html < script src = \"app.js\" > Change the ng-app directive to bind to todoApp Change at the top of index.html to Add the ng-controller directive to bind the TodoListController Change the opening tag to Now we can access the controller within the body tag using the todoList alias Task 4: Rendering the list of todo items \u00b6 Goal: There\u2019s a list called todos in our controller that we\u2019ll use to store our todo list items. We want to replace the static todo list item with the todo items in this list Steps: Use the ng-repeat directive to render items in the list Change the
  • tag that renders a list item to
  • Add the ng-model=\"todo.done\" directive to the checkbox input tag so the checkbox reflects the value in the done field of a given todo list item Replace the static todo list item text with {{todo.text}} to render the text associated with a given todo item in the list Changing the data in the todos list in app.js should now change the contents of the todo list rendered Task 5: Adding new todo items \u00b6 Goal: Allow users to add new todos to the list using the form in the app Steps: Use the ng-model directive to tie the value in the new todo text input field to a variable in the angular.js app\u2019s model Add ng-model=\"todoList.todoText\" to the add new todo here text input tag Implement the todoList.addTodo function in app.js Add a new todo item to the list using the data in todoList.todoText Clear the text input field by setting todoList.todoText to the empty string Add the ng-submit directive to the form to call this addTodo function on submit by changing the opening
    tag to Task 6: Special styling for completed todo items \u00b6 Goal: We want to apply custom styling for completed todo items, so they appear crossed out Steps: A CSS class called done-true for completed todo items has been implemented in style.css . Make any changes you\u2019d like to this CSS class Apply this class to the todo text item Change the tag used to render {{todo.text}} to Checking a given todo item should lead to the custom css class being applied to that item","title":"Recitation 2 - Angular.js and MVC"},{"location":"recitations/archive/reci2-angularjs/#recitation-2-crash-course-in-angularjs","text":"","title":"Recitation 2: Crash Course in Angular.js"},{"location":"recitations/archive/reci2-angularjs/#overview","text":"This recitation aims to highlight the basics of Angular.js by walking students through the implementation of a basic To-Do list app. Students will be expected to use this knowledge to make changes to the Angular.js components of the Teedy project in a future assignment.","title":"Overview"},{"location":"recitations/archive/reci2-angularjs/#pre-requisites","text":"Basic understanding of how the web works Basic HTML/CSS knowledge Basic JavaScript knowledge","title":"Pre-requisites"},{"location":"recitations/archive/reci2-angularjs/#task-0-fork-the-repl","text":"Create an account on repl.it Fork this repl - you\u2019ll be using this to work through this exercise and see your changes When you run the app you should see something like the below screenshot. At this point, all the static HTML for the todo list has been set up. You\u2019ll be working on making the todo list app function properly using Angular.js","title":"Task 0: Fork the repl"},{"location":"recitations/archive/reci2-angularjs/#task-1-setup-angularjs","text":"Goal: Convert the basic HTML skeleton in the repl to an Angular.js app Steps: Import the Angular.js library by adding the following script tag to the head component of index.html < script src = \"https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js\" > Add the ng-app directive to the main tag to specify the root of your app This involves changing the tag at the top of index.html to ","title":"Task 1: Setup Angular.js"},{"location":"recitations/archive/reci2-angularjs/#task-2-data-binding-basics","text":"Goal: Display a dynamic title based on user input Steps: Use the ng-model directive to tie the value in the name text input field to a variable in the Angular.js app\u2019s model. Add ng-model=\"varName\" to the name text input tag Include {{varName}} in the Hello here's your todo list string to bind the data in the model to the title in the view Changing the value in the name text field should now change the title in real-time","title":"Task 2: Data Binding Basics"},{"location":"recitations/archive/reci2-angularjs/#task-3-setting-up-the-controller","text":"Goal: A boiler-plate controller called TodoListController has been set up in app.js. We want to connect our app with this controller so we can get more control over our todo list Steps: Import app.js by adding the following script tag to the head component of index.html < script src = \"app.js\" > Change the ng-app directive to bind to todoApp Change at the top of index.html to Add the ng-controller directive to bind the TodoListController Change the opening tag to Now we can access the controller within the body tag using the todoList alias","title":"Task 3: Setting up the controller"},{"location":"recitations/archive/reci2-angularjs/#task-4-rendering-the-list-of-todo-items","text":"Goal: There\u2019s a list called todos in our controller that we\u2019ll use to store our todo list items. We want to replace the static todo list item with the todo items in this list Steps: Use the ng-repeat directive to render items in the list Change the
  • tag that renders a list item to
  • Add the ng-model=\"todo.done\" directive to the checkbox input tag so the checkbox reflects the value in the done field of a given todo list item Replace the static todo list item text with {{todo.text}} to render the text associated with a given todo item in the list Changing the data in the todos list in app.js should now change the contents of the todo list rendered","title":"Task 4: Rendering the list of todo items"},{"location":"recitations/archive/reci2-angularjs/#task-5-adding-new-todo-items","text":"Goal: Allow users to add new todos to the list using the form in the app Steps: Use the ng-model directive to tie the value in the new todo text input field to a variable in the angular.js app\u2019s model Add ng-model=\"todoList.todoText\" to the add new todo here text input tag Implement the todoList.addTodo function in app.js Add a new todo item to the list using the data in todoList.todoText Clear the text input field by setting todoList.todoText to the empty string Add the ng-submit directive to the form to call this addTodo function on submit by changing the opening tag to ","title":"Task 5: Adding new todo items"},{"location":"recitations/archive/reci2-angularjs/#task-6-special-styling-for-completed-todo-items","text":"Goal: We want to apply custom styling for completed todo items, so they appear crossed out Steps: A CSS class called done-true for completed todo items has been implemented in style.css . Make any changes you\u2019d like to this CSS class Apply this class to the todo text item Change the tag used to render {{todo.text}} to Checking a given todo item should lead to the custom css class being applied to that item","title":"Task 6: Special styling for completed todo items"},{"location":"workshops/ml/","text":"Machine Learning Workshop \u00b6 Setup Instructions: \u00b6 Go to this repo and clone it Make sure you can run the jupyter notebooks The preferred way is to run it locally. You should install Anaconda and install the jupyter and scikit-learn packages: conda install jupyter scikit-learn Alternatively, you can use Google Colab . NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook. Make sure to connect to google drive and upload the titanic data set folder to your drive, double check the file paths in the notebook to make sure they match Overview \u00b6 During this workshop, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students! Context \u00b6 You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb. Activity 1: Examine the Titanic Dataset (10 mins) \u00b6 The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it? Activity 2: Import and Analyze Models (5 min) \u00b6 We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section. Activity 3: Fairness Metrics Evaluation (15 mins) \u00b6 An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates. Activity 4: Recommendation (10 mins) \u00b6 Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Workshop - Machine Learning"},{"location":"workshops/ml/#machine-learning-workshop","text":"","title":"Machine Learning Workshop"},{"location":"workshops/ml/#setup-instructions","text":"Go to this repo and clone it Make sure you can run the jupyter notebooks The preferred way is to run it locally. You should install Anaconda and install the jupyter and scikit-learn packages: conda install jupyter scikit-learn Alternatively, you can use Google Colab . NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook. Make sure to connect to google drive and upload the titanic data set folder to your drive, double check the file paths in the notebook to make sure they match","title":"Setup Instructions:"},{"location":"workshops/ml/#overview","text":"During this workshop, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!","title":"Overview"},{"location":"workshops/ml/#context","text":"You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb.","title":"Context"},{"location":"workshops/ml/#activity-1-examine-the-titanic-dataset-10-mins","text":"The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it?","title":"Activity 1: Examine the Titanic Dataset (10 mins)"},{"location":"workshops/ml/#activity-2-import-and-analyze-models-5-min","text":"We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.","title":"Activity 2: Import and Analyze Models (5 min)"},{"location":"workshops/ml/#activity-3-fairness-metrics-evaluation-15-mins","text":"An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.","title":"Activity 3: Fairness Metrics Evaluation (15 mins)"},{"location":"workshops/ml/#activity-4-recommendation-10-mins","text":"Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Activity 4: Recommendation (10 mins)"}]} \ No newline at end of file diff --git a/_old/F23/sitemap.xml b/_old/F23/sitemap.xml new file mode 100644 index 000000000..955dbcf0b --- /dev/null +++ b/_old/F23/sitemap.xml @@ -0,0 +1,188 @@ + + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + + None + 2024-08-22 + daily + + \ No newline at end of file diff --git a/_old/F23/sitemap.xml.gz b/_old/F23/sitemap.xml.gz new file mode 100644 index 000000000..3290d381b Binary files /dev/null and b/_old/F23/sitemap.xml.gz differ diff --git a/_old/F23/stylesheets/custom.css b/_old/F23/stylesheets/custom.css new file mode 100644 index 000000000..7280eb4c1 --- /dev/null +++ b/_old/F23/stylesheets/custom.css @@ -0,0 +1,266 @@ +.md-grid { + max-width: 66rem; 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+ border-right: 1px solid var(--md-typeset-table-color); + padding: 10px!important; +} + +#schedule table:not([class]) td { + vertical-align: middle; +} + +#schedule table td:first-child, table th:first-child { + border-left: none; +} + +#schedule table td:last-child, table th:last-child { + border-right: none; +} + +#schedule table thead, +#schedule table tbody tr:nth-child(10n+5), +#schedule table tbody tr:nth-child(10n) { + border-bottom: 3px #ccc solid; +} + +#schedule table td:nth-last-child(3) { + border-right: none; +} + +#schedule table:not([class]) tbody tr:hover { + background-color: rgba(0,0,0,0); +} + +a.label, a.label:visited { + color: #fff; +} + +a.label:hover { + color: #fff; + text-decoration: underline; +} + +.label.label-aqua { + background-color: #2E8C8C; + border-color: #2E8C8C; +} + +.label.label-red { + background-color: #D84136; + border-color: #D84136; +} + +.label.label-gold { + background-color: #D99036; + border-color: #D99036; +} + +.label.label-blue { + background-color: #2185d0; + border-color: #2185d0; +} + +.label .material-symbols-outlined { + font-size: 15px; + vertical-align: text-top; + padding-right: 4px; +} + +.left.floating.label { + left: 0; + right: auto; + -webkit-transform: translateX(-50%); + transform: translateX(-50%); +} + +.floating { + position: absolute; + z-index: 100; + top: -1em; + white-space: nowrap; + -webkit-transform: translateX(50%); + transform: translateX(50%); +} + +.label:first-child { + margin-left: 0; +} + +.label { + font-size: 0.65rem; + display: inline-block; + line-height: 1; + vertical-align: baseline; + margin: 0.14em; + background-color: #e8e8e8; + background-image: none; + padding: 0.5833em 0.833em; + color: rgba(0,0,0,.6); + text-transform: none; + font-weight: 700; + border: 0 solid transparent; + border-radius: 0.28571429rem; + -webkit-transition: background .1s ease; + transition: background .1s ease; +} + +#course-instructors .card, +#course-assistants .card { + display: inline-block; + min-width: 275px; + margin: 0.5rem; +} + +.staffer .staffer-image { + border-radius: 50%; + height: 100px; + width: 100px; + object-fit: cover; + margin-top: .50rem; +} + +.staffer .staffer-name { + font-weight: bold; + margin: .25rem !important; +} + +.staffer .staffer-links { + margin: .25rem !important; + line-height: normal; +} + +.staffer-links a { + font-size: 24px; +} + +.staffer-links .material-symbols-outlined { + font-size: 24px; + vertical-align: text-top; + padding: 0px 3px; +} + +.admonition p.admonition-title, +details summary { + font-size: .8rem; +} + +.admonition p, .admonition ul, +details p, details ul { + font-size: .725rem; +} + +.admonition code, +details code { + font-size: .65rem; +} diff --git a/_old/F23/syllabus/index.html b/_old/F23/syllabus/index.html new file mode 100644 index 000000000..f61258868 --- /dev/null +++ b/_old/F23/syllabus/index.html @@ -0,0 +1,1492 @@ + + + + + + + + + + + + + + + + Syllabus - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Syllabus

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    Course Syllabus and Policies

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    The course is currently planned to be entirely in person for lectures and recitations. Most office hours will be in person, but some may be held over Zoom as well. The course uses Gradescope for homework submission, grading, discussions, questions, and supplementary documents; slides and handouts are posted here on the course website; GitHub is used to coordinate group work. We also use Slack for communication and group work: check your email during the first week of classes for the Slack sign up link.

    +

    Prerequisites

    +

    There are no formal prerequisites, but we strongly recommend having a solid foundation in programming before taking this class (e.g. 15-121, 15-122). You will also get more out of the course if you have experience with some larger development projects, for example, through larger class projects (e.g. 17-214, 15-410), internships, or open-source contributions. If you have questions, please don't hesitate to reach out to the class instructors.

    +

    Communication

    +

    The primary form of communication within this course is through Slack. We will make announcements through a dedicated channel in Slack, and also provide channels for homework clarifications and team-based communication. As such, we highly recommend that students install Slack on their phones / desktop with notifications enabled.

    +

    The instructor, TA, and CAs will also hold weekly office hours to provide support with course materials and projects. You can find the office hours schedule updated weekly here on the course website.

    +

    You can contact the course staff via both Slack and email.

    +

    Teamwork

    +

    Teamwork is an essential part of this course. Most projects are done in teams of 3-5 students. Teams will be assigned by the instructors and stay together for multiple projects. Most projects have a component that is graded for the entire group and a component that is graded individually.

    +

    Being able to address team issues in software projects is one of the core learning objectives of this class. Guidance on teamwork, reflection, and conflict resolution will be provided throughout the semester and are an essential component of the class. We expect significant efforts in attempting to address the team issues before asking instructors and teaching/course assistants to step in. However, we will always be available to provide advice on how to navigate these issues.

    +

    Textbook

    +

    Various readings throughout the semester are available online or through the library; we do not have a single textbook but rather assemble readings from different sources.

    +

    As optional supplementary reading consider the (freely available) Software Engineering at Google, Lessons Learned from Programming Over Time.

    +

    Assessment

    +

    Evaluation will be based on the following distribution: 60% projects, 20% midterm, 20% participation (including lecture exercises, pre-lecture reading quizzes, and recitation exercises).

    +

    Project Points Breakdown

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    Project# Days GivenPoints% of total grade
    1101005.77%
    23632018.46%
    3101206.92%
    41918010.38%
    52732018.46%
    TOTAL104060.00%
    +

    Regrades

    +

    Regrade requests can be submitted via Gradescope. The regrade period is open for one week after grades have been released for a particular assignment.

    +

    Late Work Policy

    +

    Participation

    +

    Participation points in this class are earned through a series of pre-lecture reading assignments, lecture activities, and recitations. To accommodate for life's uncertainties (e.g. health issues, scheduling conflicts), at the end of the semester, we will drop the lowest 10% of scores to calculate your participation grade. In other words, acquiring 90% of the available points will give you 100% in this category. The amount of points available varies from semester to semester; generally, 10% would be equivalent to 3-4 lectures or recitations.

    +

    There will be no make-ups for participation points, but you are strongly encouraged to come to office hours to learn or review the materials that you may have missed.

    +

    If you find yourself in a situation that calls for an extended absence, please have your academic advisor reach out to the instructors, and they will work to find a solution on a case by case basis.

    +

    Projects

    +

    Late work will receive feedback but no credit. Due to heavy emphasis on planning & teamwork in this course there are no late days; we expect that you anticipate unexpected events in your planning, and coordinate with your teammates when they arise. Exceptions to this policy will be made only in extraordinary circumstances, almost always involving a family or medical emergency, with your academic advisor or the Dean of Student Affairs requesting the exception on your behalf.

    +

    Time Management

    +

    This is a 12-unit course, and it is our intention to manage it so that you spend close to 12 hours a week on the course, on average. In general, 4 hours/week will be spent in lectures & recitation and 8 hours on readings and projects. Notice that most projects are done in groups, so please account for the overhead and decreased time flexibility that comes with group work. Throughout the semester, please feel free to give the course staff feedback on how much time the course is taking for you.

    +

    Professionalism

    +

    Your classmates are your colleagues. This is particularly true in this course, where we aim to provide you with principles, practices, tools, and paradigms that will enable you to be an effective, real-world Software Engineer. We ask that you treat one another like the professionals you are and that you are preparing to be.

    +

    To that end, we will not tolerate harassment in this class. We define harassment as unwelcome or hostile behavior of an ad hominem nature, i.e., that focuses not on ideas but on people and identity. This includes offensive verbal or written comments in reference to gender, sexual orientation, disability, physical appearance, race, or religion; sexual images in public spaces; deliberate intimidation, stalking, following, harassing photography or recording, sustained disruption of class meetings, inappropriate physical contact, and unwelcome sexual attention.

    +

    Harassment is against the law and we have no tolerance for it, and neither does the university. Even when behavior does not rise to the level of harassment (even if you think you're "just joking!"), it can still make people very uncomfortable, and harm their educational and professional career by forcing them to devote mental energy to something other than the material they are trying to learn or the professional successes they are trying to achieve. However, we expect that we do not need to threaten you to earn your respect on this matter: we simply ask that you treat one another like professionals, in the most positive sense.

    +

    This has two implications:

    +
      +
    • If you feel someone is violating these principles (for example, with a joke that could be interpreted as sexist, racist, or exclusionary), and you feel you have the standing to do so, speak up! Do not be a bystander to unprofessional behavior.
      • +
    • If you do not feel comfortable doing so, and/or if the behavior persists, send a private email to the course instructors or set up a meeting with us to discuss the matter. We will preserve your anonymity. We, the course staff, are committed to affording you the same respect we ask you to afford one another. If you feel that we are not doing so, we hope you will feel comfortable either telling us so directly, or approaching another one of the course staff with your concerns.
      • +
    +

    (Thank you to Shriram Krishnamurthi and Evan Peck for sharing their own policies, from which we drew inspiration for this one.)

    +

    Academic Honesty and Collaboration

    +

    The usual policies apply, especially the University Policy on Academic Integrity. Many of the projects will be done in groups. We expect that group members collaborate with one another, but that groups work independently from one another, not exchanging results with other groups. Within groups, we expect that you are honest about your contribution to the group's work. This implies not taking credit for others' work and not covering for team members that have not contributed to the team. Otherwise, our expectations regarding academic honesty and collaboration for group work are the same as for individual work, substituting elevated to the level of "group."

    +

    The course includes both individual projects and individual components of group projects . Although your solutions for individual parts will be based on the content produced for the group component (e.g. written reflections on lessons learned), we treat individual components of group projects as equivalent to individual projects overall, and expect you to complete such components independently of your groupmates.

    +

    The rest of this academic honesty and collaboration content is taken from the policy used in 17-214, which we reuse almost directly (with minor modifications, and attribution).

    +

    "You may not copy any part of a solution to a problem that was written by another student, or was developed together with another student, or was copied from another unauthorized source such as the Internet. You may not look at another student's solution, even if you have completed your own, nor may you knowingly give your solution to another student or leave your solution where another student can see it.

    +

    Here are some examples of behavior that are inappropriate:

    +
      +
    • Copying or retyping, or referring to, files or parts of files (such as source code, written text, or unit tests) from another person or source (whether in final or draft form, regardless of the permissions set on the associated files) while producing your own. This is true even if your version includes minor modifications such as style or variable name changes or minor logic modifications.
      • +
    • Getting help that you do not fully understand, and from someone whom you do not acknowledge on your solution.
      • +
    • Writing, using, or submitting a program that attempts to alter or erase grading information or otherwise compromise security of course resources.
      • +
    • Lying to course staff.
      • +
    • Giving copies of work to others, or allowing someone else to copy or refer to your code or written assignment to produce their own, either in draft or final form. This includes making your work publicly available in a way that other students (current or future) can access your solutions, even if others' access is accidental or incidental to your goals. Beware the privacy settings on your open source accounts!
      • +
    • Coaching others step-by-step without them understanding your help.
      • +
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    If any of your work contains any statement that was not written by you, you must put it in quotes and cite the source. If you are paraphrasing an idea you read elsewhere, you must acknowledge the source. Using existing material without proper citation is plagiarism, a form of cheating. If there is any question about whether the material is permitted, you must get permission in advance. We will be using automated systems to detect software plagiarism.

    +

    It is not considered cheating to clarify vague points in the assignments, lectures, lecture notes; to give help or receive help in using the computer systems, compilers, debuggers, profilers, or other facilities; or to discuss ideas at a very high level, without referring to or producing code.

    +

    Any violation of this policy is cheating. The minimum penalty for cheating (including plagiarism) will be a zero grade for the whole assignment. Cheating incidents will also be reported through University channels, with possible additional disciplinary action (see the above-linked University Policy on Academic Integrity).

    +

    If you have any question about how this policy applies in a particular situation, ask the instructors or TAs for clarification."

    +

    Note that the instructors respect honesty in these (and indeed most!) situations.

    +

    Accommodations

    +

    Carnegie Mellon University is committed to providing reasonable accommodations +for all persons with disabilities. To access accommodation services you are +expected to initiate the request and submit a Voluntary Disclosure of Disability +Form to the office of Health & Wellness or CaPS-Q. In order to receive +services/accommodations, verification of a disability is required as recommended +in writing by a doctor, licensed psychologist or psycho-educational specialist. +The office of Health & Wellness, CaPS-Q and Office of Disability Resources in +Pittsburgh will review the information you provide. All information will be +considered confidential and only released to appropriate persons on a need to +know basis.

    +

    Once the accommodations have been approved, you will be issued a Summary of Accommodations Memorandum documenting the disability and describing the accommodation. You are responsible for providing the Memorandum to your professors at the beginning of each semester.

    +

    For more information on policies and procedures, please visit Assistance for Individuals with Disabilities on Scotty.

    + +

    We don't record our lectures, because they are highly interactive and tricky to record, but we do post slides at the end of the day. Please go over them and come to any of the instructors' office hours to discuss the material.

    +

    A Note on Self Care

    +

    We all feel stress at different times and for different reasons, and when we do, it is good to reach out for support. Do your best to maintain a healthy lifestyle by eating well, exercising, getting enough sleep and taking some time to relax. Please know that you are not alone. There are many helpful resources available on campus and an important part of the college experience is learning how to ask for help. Asking for support sooner, rather than later, can often help your situation from getting more complicated. If you or any of your CMUQ peers are experiencing academic stress, difficult life events, or feelings like anxiety or depression, we strongly encourage you to seek support.

    +

    Our Student Affairs staff are here to help:

    + +

    You can also visit the Ilona Wyers Student Lounge and connect with anyone on the Student Affairs Team. Consider also reaching out to a friend, faculty, staff, or family member you trust for help. If you would like to speak to a trained professional for mental health support, day or night, call our ProtoCall hotline at 5554 7913, which is staffed by trained mental health care providers.

    +

    If the situation is life threatening, call 999.

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    + + + + + + + + + \ No newline at end of file diff --git a/_old/F23/workshops/ml/index.html b/_old/F23/workshops/ml/index.html new file mode 100644 index 000000000..22eaed2cf --- /dev/null +++ b/_old/F23/workshops/ml/index.html @@ -0,0 +1,1170 @@ + + + + + + + + + + + + + + + + Workshop - Machine Learning - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Machine Learning Workshop

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    Setup Instructions:

    +
      +
    1. Go to this repo and clone it
      2. +
    2. Make sure you can run the jupyter notebooks
        +
      1. The preferred way is to run it locally. You should install Anaconda and install the jupyter and scikit-learn packages: conda install jupyter scikit-learn
        2. +
      2. Alternatively, you can use Google Colab. NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook.
          +
        1. Make sure to connect to google drive and upload the titanic data set folder to your drive, double check the file paths in the notebook to make sure they match
          2. +
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    Overview

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    During this workshop, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!

    +

    Context

    +

    You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency.

    +

    Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right?

    +

    We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You’ll be working with the starter code in model_testing.ipynb.

    +

    Activity 1: Examine the Titanic Dataset (10 mins)

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      +
    1. The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook.
      2. +
    2. Then choose one feature and plot its distribution.
      3. +
    3. Is the distribution what you expected it to be? Was there anything surprising about it?
      4. +
    +

    Activity 2: Import and Analyze Models (5 min)

    +

    We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.

    +

    Activity 3: Fairness Metrics Evaluation (15 mins)

    +

    An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. +1. Fill in the notebook to compute the demographic parity metric +2. Fill in the notebook to compute the equal opportunity metric +3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.

    +

    Activity 4: Recommendation (10 mins)

    +

    Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company?

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    Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.

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Y([t,r.pipe(N(Oe()),x(n=>!!n.searchParams.get("h")))]).pipe(m(([n,o])=>rn(n.config,!0)(o.searchParams.get("h"))),m(n=>{var s;let o=new Map,i=document.createNodeIterator(e,NodeFilter.SHOW_TEXT);for(let a=i.nextNode();a;a=i.nextNode())if((s=a.parentElement)!=null&&s.offsetHeight){let c=a.textContent,f=n(c);f.length>c.length&&o.set(a,f)}for(let[a,c]of o){let{childNodes:f}=M("span",null,c);a.replaceWith(...Array.from(f))}return{ref:e,nodes:o}}))}function Ps(e,{viewport$:t,main$:r}){let n=e.parentElement,o=n.offsetTop-n.parentElement.offsetTop;return Y([r,t]).pipe(m(([{offset:i,height:s},{offset:{y:a}}])=>(s=s+Math.min(o,Math.max(0,a-i))-o,{height:s,locked:a>=i+o})),B((i,s)=>i.height===s.height&&i.locked===s.locked))}function nn(e,n){var o=n,{header$:t}=o,r=un(o,["header$"]);let i=K(".md-sidebar__scrollwrap",e),{y:s}=qe(i);return P(()=>{let a=new E;return 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"src/assets/javascripts/components/search/result/index.ts", "src/assets/javascripts/components/search/share/index.ts", "src/assets/javascripts/components/search/suggest/index.ts", "src/assets/javascripts/components/search/_/index.ts", "src/assets/javascripts/components/search/highlight/index.ts", "src/assets/javascripts/components/sidebar/index.ts", "src/assets/javascripts/components/source/facts/github/index.ts", "src/assets/javascripts/components/source/facts/gitlab/index.ts", "src/assets/javascripts/components/source/facts/_/index.ts", "src/assets/javascripts/components/source/_/index.ts", "src/assets/javascripts/components/tabs/index.ts", "src/assets/javascripts/components/toc/index.ts", "src/assets/javascripts/components/top/index.ts", "src/assets/javascripts/patches/indeterminate/index.ts", "src/assets/javascripts/patches/scrollfix/index.ts", "src/assets/javascripts/patches/scrolllock/index.ts", "src/assets/javascripts/polyfills/index.ts"], + "sourceRoot": "../../../..", + "sourcesContent": ["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (factory());\n}(this, (function () { 'use strict';\n\n /**\n * Applies the :focus-visible polyfill at the given scope.\n * A scope in this case is either the top-level Document or a Shadow Root.\n *\n * @param {(Document|ShadowRoot)} scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "(function(global) {\r\n /**\r\n * Polyfill URLSearchParams\r\n *\r\n * Inspired from : https://github.com/WebReflection/url-search-params/blob/master/src/url-search-params.js\r\n */\r\n\r\n var checkIfIteratorIsSupported = function() {\r\n try {\r\n return !!Symbol.iterator;\r\n } catch (error) {\r\n return false;\r\n }\r\n };\r\n\r\n\r\n var iteratorSupported = checkIfIteratorIsSupported();\r\n\r\n var createIterator = function(items) {\r\n var iterator = {\r\n next: function() {\r\n var value = items.shift();\r\n return { done: value === void 0, value: value };\r\n }\r\n };\r\n\r\n if (iteratorSupported) {\r\n iterator[Symbol.iterator] = function() {\r\n return iterator;\r\n };\r\n }\r\n\r\n return iterator;\r\n };\r\n\r\n /**\r\n * Search param name and values should be encoded according to https://url.spec.whatwg.org/#urlencoded-serializing\r\n * encodeURIComponent() produces the same result except encoding spaces as `%20` instead of `+`.\r\n */\r\n var serializeParam = function(value) {\r\n return encodeURIComponent(value).replace(/%20/g, '+');\r\n };\r\n\r\n var deserializeParam = function(value) {\r\n return decodeURIComponent(String(value).replace(/\\+/g, ' '));\r\n };\r\n\r\n var polyfillURLSearchParams = function() {\r\n\r\n var URLSearchParams = function(searchString) {\r\n Object.defineProperty(this, '_entries', { writable: true, value: {} });\r\n var typeofSearchString = typeof searchString;\r\n\r\n if (typeofSearchString === 'undefined') {\r\n // do nothing\r\n } else if (typeofSearchString === 'string') {\r\n if (searchString !== '') {\r\n this._fromString(searchString);\r\n }\r\n } else if (searchString instanceof URLSearchParams) {\r\n var _this = this;\r\n searchString.forEach(function(value, name) {\r\n _this.append(name, value);\r\n });\r\n } else if ((searchString !== null) && (typeofSearchString === 'object')) {\r\n if (Object.prototype.toString.call(searchString) === '[object Array]') {\r\n for (var i = 0; i < searchString.length; i++) {\r\n var entry = searchString[i];\r\n if ((Object.prototype.toString.call(entry) === '[object Array]') || (entry.length !== 2)) {\r\n this.append(entry[0], entry[1]);\r\n } else {\r\n throw new TypeError('Expected [string, any] as entry at index ' + i + ' of URLSearchParams\\'s input');\r\n }\r\n }\r\n } else {\r\n for (var key in searchString) {\r\n if (searchString.hasOwnProperty(key)) {\r\n this.append(key, searchString[key]);\r\n }\r\n }\r\n }\r\n } else {\r\n throw new TypeError('Unsupported input\\'s type for URLSearchParams');\r\n }\r\n };\r\n\r\n var proto = URLSearchParams.prototype;\r\n\r\n proto.append = function(name, value) {\r\n if (name in this._entries) {\r\n this._entries[name].push(String(value));\r\n } else {\r\n this._entries[name] = [String(value)];\r\n }\r\n };\r\n\r\n proto.delete = function(name) {\r\n delete this._entries[name];\r\n };\r\n\r\n proto.get = function(name) {\r\n return (name in this._entries) ? this._entries[name][0] : null;\r\n };\r\n\r\n proto.getAll = function(name) {\r\n return (name in this._entries) ? this._entries[name].slice(0) : [];\r\n };\r\n\r\n proto.has = function(name) {\r\n return (name in this._entries);\r\n };\r\n\r\n proto.set = function(name, value) {\r\n this._entries[name] = [String(value)];\r\n };\r\n\r\n proto.forEach = function(callback, thisArg) {\r\n var entries;\r\n for (var name in this._entries) {\r\n if (this._entries.hasOwnProperty(name)) {\r\n entries = this._entries[name];\r\n for (var i = 0; i < entries.length; i++) {\r\n callback.call(thisArg, entries[i], name, this);\r\n }\r\n }\r\n }\r\n };\r\n\r\n proto.keys = function() {\r\n var items = [];\r\n this.forEach(function(value, name) {\r\n items.push(name);\r\n });\r\n return createIterator(items);\r\n };\r\n\r\n proto.values = function() {\r\n var items = [];\r\n this.forEach(function(value) {\r\n items.push(value);\r\n });\r\n return createIterator(items);\r\n };\r\n\r\n proto.entries = function() {\r\n var items = [];\r\n this.forEach(function(value, name) {\r\n items.push([name, value]);\r\n });\r\n return createIterator(items);\r\n };\r\n\r\n if (iteratorSupported) {\r\n proto[Symbol.iterator] = proto.entries;\r\n }\r\n\r\n proto.toString = function() {\r\n var searchArray = [];\r\n this.forEach(function(value, name) {\r\n searchArray.push(serializeParam(name) + '=' + serializeParam(value));\r\n });\r\n return searchArray.join('&');\r\n };\r\n\r\n\r\n global.URLSearchParams = URLSearchParams;\r\n };\r\n\r\n var checkIfURLSearchParamsSupported = function() {\r\n try {\r\n var URLSearchParams = global.URLSearchParams;\r\n\r\n return (\r\n (new URLSearchParams('?a=1').toString() === 'a=1') &&\r\n (typeof URLSearchParams.prototype.set === 'function') &&\r\n (typeof URLSearchParams.prototype.entries === 'function')\r\n );\r\n } catch (e) {\r\n return false;\r\n }\r\n };\r\n\r\n if (!checkIfURLSearchParamsSupported()) {\r\n polyfillURLSearchParams();\r\n }\r\n\r\n var proto = global.URLSearchParams.prototype;\r\n\r\n if (typeof proto.sort !== 'function') {\r\n proto.sort = function() {\r\n var _this = this;\r\n var items = [];\r\n this.forEach(function(value, name) {\r\n items.push([name, value]);\r\n if (!_this._entries) {\r\n _this.delete(name);\r\n }\r\n });\r\n items.sort(function(a, b) {\r\n if (a[0] < b[0]) {\r\n return -1;\r\n } else if (a[0] > b[0]) {\r\n return +1;\r\n } else {\r\n return 0;\r\n }\r\n });\r\n if (_this._entries) { // force reset because IE keeps keys index\r\n _this._entries = {};\r\n }\r\n for (var i = 0; i < items.length; i++) {\r\n this.append(items[i][0], items[i][1]);\r\n }\r\n };\r\n }\r\n\r\n if (typeof proto._fromString !== 'function') {\r\n Object.defineProperty(proto, '_fromString', {\r\n enumerable: false,\r\n configurable: false,\r\n writable: false,\r\n value: function(searchString) {\r\n if (this._entries) {\r\n this._entries = {};\r\n } else {\r\n var keys = [];\r\n this.forEach(function(value, name) {\r\n keys.push(name);\r\n });\r\n for (var i = 0; i < keys.length; i++) {\r\n this.delete(keys[i]);\r\n }\r\n }\r\n\r\n searchString = searchString.replace(/^\\?/, '');\r\n var attributes = searchString.split('&');\r\n var attribute;\r\n for (var i = 0; i < attributes.length; i++) {\r\n attribute = attributes[i].split('=');\r\n this.append(\r\n deserializeParam(attribute[0]),\r\n (attribute.length > 1) ? deserializeParam(attribute[1]) : ''\r\n );\r\n }\r\n }\r\n });\r\n }\r\n\r\n // HTMLAnchorElement\r\n\r\n})(\r\n (typeof global !== 'undefined') ? global\r\n : ((typeof window !== 'undefined') ? window\r\n : ((typeof self !== 'undefined') ? self : this))\r\n);\r\n\r\n(function(global) {\r\n /**\r\n * Polyfill URL\r\n *\r\n * Inspired from : https://github.com/arv/DOM-URL-Polyfill/blob/master/src/url.js\r\n */\r\n\r\n var checkIfURLIsSupported = function() {\r\n try {\r\n var u = new global.URL('b', 'http://a');\r\n u.pathname = 'c d';\r\n return (u.href === 'http://a/c%20d') && u.searchParams;\r\n } catch (e) {\r\n return false;\r\n }\r\n };\r\n\r\n\r\n var polyfillURL = function() {\r\n var _URL = global.URL;\r\n\r\n var URL = function(url, base) {\r\n if (typeof url !== 'string') url = String(url);\r\n if (base && typeof base !== 'string') base = String(base);\r\n\r\n // Only create another document if the base is different from current location.\r\n var doc = document, baseElement;\r\n if (base && (global.location === void 0 || base !== global.location.href)) {\r\n base = base.toLowerCase();\r\n doc = document.implementation.createHTMLDocument('');\r\n baseElement = doc.createElement('base');\r\n baseElement.href = base;\r\n doc.head.appendChild(baseElement);\r\n try {\r\n if (baseElement.href.indexOf(base) !== 0) throw new Error(baseElement.href);\r\n } catch (err) {\r\n throw new Error('URL unable to set base ' + base + ' due to ' + err);\r\n }\r\n }\r\n\r\n var anchorElement = doc.createElement('a');\r\n anchorElement.href = url;\r\n if (baseElement) {\r\n doc.body.appendChild(anchorElement);\r\n anchorElement.href = anchorElement.href; // force href to refresh\r\n }\r\n\r\n var inputElement = doc.createElement('input');\r\n inputElement.type = 'url';\r\n inputElement.value = url;\r\n\r\n if (anchorElement.protocol === ':' || !/:/.test(anchorElement.href) || (!inputElement.checkValidity() && !base)) {\r\n throw new TypeError('Invalid URL');\r\n }\r\n\r\n Object.defineProperty(this, '_anchorElement', {\r\n value: anchorElement\r\n });\r\n\r\n\r\n // create a linked searchParams which reflect its changes on URL\r\n var searchParams = new global.URLSearchParams(this.search);\r\n var enableSearchUpdate = true;\r\n var enableSearchParamsUpdate = true;\r\n var _this = this;\r\n ['append', 'delete', 'set'].forEach(function(methodName) {\r\n var method = searchParams[methodName];\r\n searchParams[methodName] = function() {\r\n method.apply(searchParams, arguments);\r\n if (enableSearchUpdate) {\r\n enableSearchParamsUpdate = false;\r\n _this.search = searchParams.toString();\r\n enableSearchParamsUpdate = true;\r\n }\r\n };\r\n });\r\n\r\n Object.defineProperty(this, 'searchParams', {\r\n value: searchParams,\r\n enumerable: true\r\n });\r\n\r\n var search = void 0;\r\n Object.defineProperty(this, '_updateSearchParams', {\r\n enumerable: false,\r\n configurable: false,\r\n writable: false,\r\n value: function() {\r\n if (this.search !== search) {\r\n search = this.search;\r\n if (enableSearchParamsUpdate) {\r\n enableSearchUpdate = false;\r\n this.searchParams._fromString(this.search);\r\n enableSearchUpdate = true;\r\n }\r\n }\r\n }\r\n });\r\n };\r\n\r\n var proto = URL.prototype;\r\n\r\n var linkURLWithAnchorAttribute = function(attributeName) {\r\n Object.defineProperty(proto, attributeName, {\r\n get: function() {\r\n return this._anchorElement[attributeName];\r\n },\r\n set: function(value) {\r\n this._anchorElement[attributeName] = value;\r\n },\r\n enumerable: true\r\n });\r\n };\r\n\r\n ['hash', 'host', 'hostname', 'port', 'protocol']\r\n .forEach(function(attributeName) {\r\n linkURLWithAnchorAttribute(attributeName);\r\n });\r\n\r\n Object.defineProperty(proto, 'search', {\r\n get: function() {\r\n return this._anchorElement['search'];\r\n },\r\n set: function(value) {\r\n this._anchorElement['search'] = value;\r\n this._updateSearchParams();\r\n },\r\n enumerable: true\r\n });\r\n\r\n Object.defineProperties(proto, {\r\n\r\n 'toString': {\r\n get: function() {\r\n var _this = this;\r\n return function() {\r\n return _this.href;\r\n };\r\n }\r\n },\r\n\r\n 'href': {\r\n get: function() {\r\n return this._anchorElement.href.replace(/\\?$/, '');\r\n },\r\n set: function(value) {\r\n this._anchorElement.href = value;\r\n this._updateSearchParams();\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'pathname': {\r\n get: function() {\r\n return this._anchorElement.pathname.replace(/(^\\/?)/, '/');\r\n },\r\n set: function(value) {\r\n this._anchorElement.pathname = value;\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'origin': {\r\n get: function() {\r\n // get expected port from protocol\r\n var expectedPort = { 'http:': 80, 'https:': 443, 'ftp:': 21 }[this._anchorElement.protocol];\r\n // add port to origin if, expected port is different than actual port\r\n // and it is not empty f.e http://foo:8080\r\n // 8080 != 80 && 8080 != ''\r\n var addPortToOrigin = this._anchorElement.port != expectedPort &&\r\n this._anchorElement.port !== '';\r\n\r\n return this._anchorElement.protocol +\r\n '//' +\r\n this._anchorElement.hostname +\r\n (addPortToOrigin ? (':' + this._anchorElement.port) : '');\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'password': { // TODO\r\n get: function() {\r\n return '';\r\n },\r\n set: function(value) {\r\n },\r\n enumerable: true\r\n },\r\n\r\n 'username': { // TODO\r\n get: function() {\r\n return '';\r\n },\r\n set: function(value) {\r\n },\r\n enumerable: true\r\n },\r\n });\r\n\r\n URL.createObjectURL = function(blob) {\r\n return _URL.createObjectURL.apply(_URL, arguments);\r\n };\r\n\r\n URL.revokeObjectURL = function(url) {\r\n return _URL.revokeObjectURL.apply(_URL, arguments);\r\n };\r\n\r\n global.URL = URL;\r\n\r\n };\r\n\r\n if (!checkIfURLIsSupported()) {\r\n polyfillURL();\r\n }\r\n\r\n if ((global.location !== void 0) && !('origin' in global.location)) {\r\n var getOrigin = function() {\r\n return global.location.protocol + '//' + global.location.hostname + (global.location.port ? 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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global global, define, System, Reflect, Promise */\r\nvar __extends;\r\nvar __assign;\r\nvar __rest;\r\nvar __decorate;\r\nvar __param;\r\nvar __metadata;\r\nvar __awaiter;\r\nvar __generator;\r\nvar __exportStar;\r\nvar __values;\r\nvar __read;\r\nvar __spread;\r\nvar __spreadArrays;\r\nvar __spreadArray;\r\nvar __await;\r\nvar __asyncGenerator;\r\nvar __asyncDelegator;\r\nvar __asyncValues;\r\nvar __makeTemplateObject;\r\nvar __importStar;\r\nvar __importDefault;\r\nvar __classPrivateFieldGet;\r\nvar __classPrivateFieldSet;\r\nvar __createBinding;\r\n(function (factory) {\r\n var root = typeof global === \"object\" ? global : typeof self === \"object\" ? self : typeof this === \"object\" ? this : {};\r\n if (typeof define === \"function\" && define.amd) {\r\n define(\"tslib\", [\"exports\"], function (exports) { factory(createExporter(root, createExporter(exports))); });\r\n }\r\n else if (typeof module === \"object\" && typeof module.exports === \"object\") {\r\n factory(createExporter(root, createExporter(module.exports)));\r\n }\r\n else {\r\n factory(createExporter(root));\r\n }\r\n function createExporter(exports, previous) {\r\n if (exports !== root) {\r\n if (typeof Object.create === \"function\") {\r\n Object.defineProperty(exports, \"__esModule\", { value: true });\r\n }\r\n else {\r\n exports.__esModule = true;\r\n }\r\n }\r\n return function (id, v) { return exports[id] = previous ? previous(id, v) : v; };\r\n }\r\n})\r\n(function (exporter) {\r\n var extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n\r\n __extends = function (d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? 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'copy' : _options$action,\n container = options.container,\n target = options.target,\n text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n if (action !== 'copy' && action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n } // Sets the `target` property using an element that will be have its content copied.\n\n\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n } // Define selection strategy based on `text` property.\n\n\n if (text) {\n return actions_copy(text, {\n container: container\n });\n } // Defines which selection strategy based on `target` property.\n\n\n if (target) {\n return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n container: container\n });\n }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n _classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n _createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n var action = this.action(trigger) || 'copy';\n var text = actions_default({\n action: action,\n container: this.container,\n target: this.target(trigger),\n text: this.text(trigger)\n }); // Fires an event based on the copy operation result.\n\n this.emit(text ? 'success' : 'error', {\n action: action,\n text: text,\n trigger: trigger,\n clearSelection: function clearSelection() {\n if (trigger) {\n trigger.focus();\n }\n\n window.getSelection().removeAllRanges();\n }\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Allow fire programmatically a copy action\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @returns Text copied.\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n }\n }], [{\n key: \"copy\",\n value: function copy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n return actions_copy(target, options);\n }\n /**\n * Allow fire programmatically a cut action\n * @param {String|HTMLElement} target\n * @returns Text cutted.\n */\n\n }, {\n key: \"cut\",\n value: function cut(target) {\n return actions_cut(target);\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "Array.prototype.flat||Object.defineProperty(Array.prototype,\"flat\",{configurable:!0,value:function r(){var t=isNaN(arguments[0])?1:Number(arguments[0]);return t?Array.prototype.reduce.call(this,function(a,e){return Array.isArray(e)?a.push.apply(a,r.call(e,t-1)):a.push(e),a},[]):Array.prototype.slice.call(this)},writable:!0}),Array.prototype.flatMap||Object.defineProperty(Array.prototype,\"flatMap\",{configurable:!0,value:function(r){return Array.prototype.map.apply(this,arguments).flat()},writable:!0})\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"array-flat-polyfill\"\nimport \"focus-visible\"\nimport \"unfetch/polyfill\"\nimport \"url-polyfill\"\n\nimport {\n EMPTY,\n NEVER,\n Subject,\n defer,\n delay,\n filter,\n map,\n merge,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getOptionalElement,\n requestJSON,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountAnnounce,\n mountBackToTop,\n mountConsent,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantLoading,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget()\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? __search?.index || requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up instant loading, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantLoading({ document$, location$, viewport$ })\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getOptionalElement(\"[href][rel=prev]\")\n if (typeof prev !== \"undefined\")\n prev.click()\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getOptionalElement(\"[href][rel=next]\")\n if (typeof next !== \"undefined\")\n next.click()\n break\n }\n })\n\n/* Set up patches */\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Consent */\n ...getComponentElements(\"consent\")\n .map(el => mountConsent(el, { target$ })),\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Announcement bar */\n ...getComponentElements(\"announce\")\n .map(el => mountAnnounce(el)),\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : EMPTY\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, { viewport$, header$, target$ })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Media tablet observable */\nwindow.screen$ = screen$ /* Media screen observable */\nwindow.print$ = print$ /* Media print observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.component$ = component$ /* Component observable */\n", "self.fetch||(self.fetch=function(e,n){return n=n||{},new Promise(function(t,s){var r=new XMLHttpRequest,o=[],u=[],i={},a=function(){return{ok:2==(r.status/100|0),statusText:r.statusText,status:r.status,url:r.responseURL,text:function(){return Promise.resolve(r.responseText)},json:function(){return Promise.resolve(r.responseText).then(JSON.parse)},blob:function(){return Promise.resolve(new Blob([r.response]))},clone:a,headers:{keys:function(){return o},entries:function(){return u},get:function(e){return i[e.toLowerCase()]},has:function(e){return e.toLowerCase()in i}}}};for(var c in r.open(n.method||\"get\",e,!0),r.onload=function(){r.getAllResponseHeaders().replace(/^(.*?):[^\\S\\n]*([\\s\\S]*?)$/gm,function(e,n,t){o.push(n=n.toLowerCase()),u.push([n,t]),i[n]=i[n]?i[n]+\",\"+t:t}),t(a())},r.onerror=s,r.withCredentials=\"include\"==n.credentials,n.headers)r.setRequestHeader(c,n.headers[c]);r.send(n.body||null)})});\n", "import tslib from '../tslib.js';\r\nconst {\r\n __extends,\r\n __assign,\r\n __rest,\r\n __decorate,\r\n __param,\r\n __metadata,\r\n __awaiter,\r\n __generator,\r\n __exportStar,\r\n __createBinding,\r\n __values,\r\n __read,\r\n __spread,\r\n __spreadArrays,\r\n __spreadArray,\r\n __await,\r\n __asyncGenerator,\r\n __asyncDelegator,\r\n __asyncValues,\r\n __makeTemplateObject,\r\n __importStar,\r\n __importDefault,\r\n __classPrivateFieldGet,\r\n __classPrivateFieldSet,\r\n} = tslib;\r\nexport {\r\n __extends,\r\n __assign,\r\n __rest,\r\n __decorate,\r\n __param,\r\n __metadata,\r\n __awaiter,\r\n __generator,\r\n __exportStar,\r\n __createBinding,\r\n __values,\r\n __read,\r\n __spread,\r\n __spreadArrays,\r\n __spreadArray,\r\n __await,\r\n __asyncGenerator,\r\n __asyncDelegator,\r\n __asyncValues,\r\n __makeTemplateObject,\r\n __importStar,\r\n __importDefault,\r\n __classPrivateFieldGet,\r\n __classPrivateFieldSet,\r\n};\r\n", null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n ReplaySubject,\n Subject,\n fromEvent\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents are implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted.\n *\n * @returns Document subject\n */\nexport function watchDocument(): Subject {\n const document$ = new ReplaySubject(1)\n fromEvent(document, \"DOMContentLoaded\", { once: true })\n .subscribe(() => document$.next(document))\n\n /* Return document */\n return document$\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements(\n selector: string, node?: ParentNode\n): T[]\n\nexport function getElements(\n selector: string, node: ParentNode = document\n): T[] {\n return Array.from(node.querySelectorAll(selector))\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * Note that this function assumes that the element is present. If unsure if an\n * element is existent, use the `getOptionalElement` function instead.\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElement(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement(\n selector: string, node?: ParentNode\n): T\n\nexport function getElement(\n selector: string, node: ParentNode = document\n): T {\n const el = getOptionalElement(selector, node)\n if (typeof el === \"undefined\")\n throw new ReferenceError(\n `Missing element: expected \"${selector}\" to be present`\n )\n\n /* Return element */\n return el\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an optional element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getOptionalElement(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T] | undefined\n\nexport function getOptionalElement(\n selector: string, node?: ParentNode\n): T | undefined\n\nexport function getOptionalElement(\n selector: string, node: ParentNode = document\n): T | undefined {\n return node.querySelector(selector) || undefined\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n return document.activeElement instanceof HTMLElement\n ? document.activeElement || undefined\n : undefined\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n debounceTime,\n distinctUntilChanged,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * Previously, this function used `focus` and `blur` events to determine whether\n * an element is focused, but this doesn't work if there are focusable elements\n * within the elements itself. A better solutions are `focusin` and `focusout`\n * events, which bubble up the tree and allow for more fine-grained control.\n *\n * `debounceTime` is necessary, because when a focus change happens inside an\n * element, the observable would first emit `false` and then `true` again.\n *\n * @param el - Element\n *\n * @returns Element focus observable\n */\nexport function watchElementFocus(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(document.body, \"focusin\"),\n fromEvent(document.body, \"focusout\")\n )\n .pipe(\n debounceTime(1),\n map(() => {\n const active = getActiveElement()\n return typeof active !== \"undefined\"\n ? el.contains(active)\n : false\n }),\n startWith(el === getActiveElement()),\n distinctUntilChanged()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n animationFrameScheduler,\n auditTime,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffset(\n el: HTMLElement\n): ElementOffset {\n return {\n x: el.offsetLeft,\n y: el.offsetTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffset(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(window, \"load\"),\n fromEvent(window, \"resize\")\n )\n .pipe(\n auditTime(0, animationFrameScheduler),\n map(() => getElementOffset(el)),\n startWith(getElementOffset(el))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n animationFrameScheduler,\n auditTime,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\nimport { ElementOffset } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content offset (= scroll offset)\n *\n * @param el - Element\n *\n * @returns Element content offset\n */\nexport function getElementContentOffset(\n el: HTMLElement\n): ElementOffset {\n return {\n x: el.scrollLeft,\n y: el.scrollTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element content offset\n *\n * @param el - Element\n *\n * @returns Element content offset observable\n */\nexport function watchElementContentOffset(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(el, \"scroll\"),\n fromEvent(window, \"resize\")\n )\n .pipe(\n auditTime(0, animationFrameScheduler),\n map(() => getElementContentOffset(el)),\n startWith(getElementContentOffset(el))\n )\n}\n", "/**\r\n * A collection of shims that provide minimal functionality of the ES6 collections.\r\n *\r\n * These implementations are not meant to be used outside of the ResizeObserver\r\n * modules as they cover only a limited range of use cases.\r\n */\r\n/* eslint-disable require-jsdoc, valid-jsdoc */\r\nvar MapShim = (function () {\r\n if (typeof Map !== 'undefined') {\r\n return Map;\r\n }\r\n /**\r\n * Returns index in provided array that matches the specified key.\r\n *\r\n * @param {Array} arr\r\n * @param {*} key\r\n * @returns {number}\r\n */\r\n function getIndex(arr, key) {\r\n var result = -1;\r\n arr.some(function (entry, index) {\r\n if (entry[0] === key) {\r\n result = index;\r\n return true;\r\n }\r\n return false;\r\n });\r\n return result;\r\n }\r\n return /** @class */ (function () {\r\n function class_1() {\r\n this.__entries__ = [];\r\n }\r\n Object.defineProperty(class_1.prototype, \"size\", {\r\n /**\r\n * @returns {boolean}\r\n */\r\n get: function () {\r\n return this.__entries__.length;\r\n },\r\n enumerable: true,\r\n configurable: true\r\n });\r\n /**\r\n * @param {*} key\r\n * @returns {*}\r\n */\r\n class_1.prototype.get = function (key) {\r\n var index = getIndex(this.__entries__, key);\r\n var entry = this.__entries__[index];\r\n return entry && entry[1];\r\n };\r\n /**\r\n * @param {*} key\r\n * @param {*} value\r\n * @returns {void}\r\n */\r\n class_1.prototype.set = function (key, value) {\r\n var index = getIndex(this.__entries__, key);\r\n if (~index) {\r\n this.__entries__[index][1] = value;\r\n }\r\n else {\r\n this.__entries__.push([key, value]);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.delete = function (key) {\r\n var entries = this.__entries__;\r\n var index = getIndex(entries, key);\r\n if (~index) {\r\n entries.splice(index, 1);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.has = function (key) {\r\n return !!~getIndex(this.__entries__, key);\r\n };\r\n /**\r\n * @returns {void}\r\n */\r\n class_1.prototype.clear = function () {\r\n this.__entries__.splice(0);\r\n };\r\n /**\r\n * @param {Function} callback\r\n * @param {*} [ctx=null]\r\n * @returns {void}\r\n */\r\n class_1.prototype.forEach = function (callback, ctx) {\r\n if (ctx === void 0) { ctx = null; }\r\n for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {\r\n var entry = _a[_i];\r\n callback.call(ctx, entry[1], entry[0]);\r\n }\r\n };\r\n return class_1;\r\n }());\r\n})();\n\n/**\r\n * Detects whether window and document objects are available in current environment.\r\n */\r\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && window.document === document;\n\n// Returns global object of a current environment.\r\nvar global$1 = (function () {\r\n if (typeof global !== 'undefined' && global.Math === Math) {\r\n return global;\r\n }\r\n if (typeof self !== 'undefined' && self.Math === Math) {\r\n return self;\r\n }\r\n if (typeof window !== 'undefined' && window.Math === Math) {\r\n return window;\r\n }\r\n // eslint-disable-next-line no-new-func\r\n return Function('return this')();\r\n})();\n\n/**\r\n * A shim for the requestAnimationFrame which falls back to the setTimeout if\r\n * first one is not supported.\r\n *\r\n * @returns {number} Requests' identifier.\r\n */\r\nvar requestAnimationFrame$1 = (function () {\r\n if (typeof requestAnimationFrame === 'function') {\r\n // It's required to use a bounded function because IE sometimes throws\r\n // an \"Invalid calling object\" error if rAF is invoked without the global\r\n // object on the left hand side.\r\n return requestAnimationFrame.bind(global$1);\r\n }\r\n return function (callback) { return setTimeout(function () { return callback(Date.now()); }, 1000 / 60); };\r\n})();\n\n// Defines minimum timeout before adding a trailing call.\r\nvar trailingTimeout = 2;\r\n/**\r\n * Creates a wrapper function which ensures that provided callback will be\r\n * invoked only once during the specified delay period.\r\n *\r\n * @param {Function} callback - Function to be invoked after the delay period.\r\n * @param {number} delay - Delay after which to invoke callback.\r\n * @returns {Function}\r\n */\r\nfunction throttle (callback, delay) {\r\n var leadingCall = false, trailingCall = false, lastCallTime = 0;\r\n /**\r\n * Invokes the original callback function and schedules new invocation if\r\n * the \"proxy\" was called during current request.\r\n *\r\n * @returns {void}\r\n */\r\n function resolvePending() {\r\n if (leadingCall) {\r\n leadingCall = false;\r\n callback();\r\n }\r\n if (trailingCall) {\r\n proxy();\r\n }\r\n }\r\n /**\r\n * Callback invoked after the specified delay. It will further postpone\r\n * invocation of the original function delegating it to the\r\n * requestAnimationFrame.\r\n *\r\n * @returns {void}\r\n */\r\n function timeoutCallback() {\r\n requestAnimationFrame$1(resolvePending);\r\n }\r\n /**\r\n * Schedules invocation of the original function.\r\n *\r\n * @returns {void}\r\n */\r\n function proxy() {\r\n var timeStamp = Date.now();\r\n if (leadingCall) {\r\n // Reject immediately following calls.\r\n if (timeStamp - lastCallTime < trailingTimeout) {\r\n return;\r\n }\r\n // Schedule new call to be in invoked when the pending one is resolved.\r\n // This is important for \"transitions\" which never actually start\r\n // immediately so there is a chance that we might miss one if change\r\n // happens amids the pending invocation.\r\n trailingCall = true;\r\n }\r\n else {\r\n leadingCall = true;\r\n trailingCall = false;\r\n setTimeout(timeoutCallback, delay);\r\n }\r\n lastCallTime = timeStamp;\r\n }\r\n return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserverController.\r\n *\r\n * @private\r\n */\r\n function ResizeObserverController() {\r\n /**\r\n * Indicates whether DOM listeners have been added.\r\n *\r\n * @private {boolean}\r\n */\r\n this.connected_ = false;\r\n /**\r\n * Tells that controller has subscribed for Mutation Events.\r\n *\r\n * @private {boolean}\r\n */\r\n this.mutationEventsAdded_ = false;\r\n /**\r\n * Keeps reference to the instance of MutationObserver.\r\n *\r\n * @private {MutationObserver}\r\n */\r\n this.mutationsObserver_ = null;\r\n /**\r\n * A list of connected observers.\r\n *\r\n * @private {Array}\r\n */\r\n this.observers_ = [];\r\n this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n }\r\n /**\r\n * Adds observer to observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be added.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.addObserver = function (observer) {\r\n if (!~this.observers_.indexOf(observer)) {\r\n this.observers_.push(observer);\r\n }\r\n // Add listeners if they haven't been added yet.\r\n if (!this.connected_) {\r\n this.connect_();\r\n }\r\n };\r\n /**\r\n * Removes observer from observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.removeObserver = function (observer) {\r\n var observers = this.observers_;\r\n var index = observers.indexOf(observer);\r\n // Remove observer if it's present in registry.\r\n if (~index) {\r\n observers.splice(index, 1);\r\n }\r\n // Remove listeners if controller has no connected observers.\r\n if (!observers.length && this.connected_) {\r\n this.disconnect_();\r\n }\r\n };\r\n /**\r\n * Invokes the update of observers. It will continue running updates insofar\r\n * it detects changes.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.refresh = function () {\r\n var changesDetected = this.updateObservers_();\r\n // Continue running updates if changes have been detected as there might\r\n // be future ones caused by CSS transitions.\r\n if (changesDetected) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Updates every observer from observers list and notifies them of queued\r\n * entries.\r\n *\r\n * @private\r\n * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n * dimensions of it's elements.\r\n */\r\n ResizeObserverController.prototype.updateObservers_ = function () {\r\n // Collect observers that have active observations.\r\n var activeObservers = this.observers_.filter(function (observer) {\r\n return observer.gatherActive(), observer.hasActive();\r\n });\r\n // Deliver notifications in a separate cycle in order to avoid any\r\n // collisions between observers, e.g. when multiple instances of\r\n // ResizeObserver are tracking the same element and the callback of one\r\n // of them changes content dimensions of the observed target. Sometimes\r\n // this may result in notifications being blocked for the rest of observers.\r\n activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n return activeObservers.length > 0;\r\n };\r\n /**\r\n * Initializes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.connect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already added.\r\n if (!isBrowser || this.connected_) {\r\n return;\r\n }\r\n // Subscription to the \"Transitionend\" event is used as a workaround for\r\n // delayed transitions. This way it's possible to capture at least the\r\n // final state of an element.\r\n document.addEventListener('transitionend', this.onTransitionEnd_);\r\n window.addEventListener('resize', this.refresh);\r\n if (mutationObserverSupported) {\r\n this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n this.mutationsObserver_.observe(document, {\r\n attributes: true,\r\n childList: true,\r\n characterData: true,\r\n subtree: true\r\n });\r\n }\r\n else {\r\n document.addEventListener('DOMSubtreeModified', this.refresh);\r\n this.mutationEventsAdded_ = true;\r\n }\r\n this.connected_ = true;\r\n };\r\n /**\r\n * Removes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.disconnect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already removed.\r\n if (!isBrowser || !this.connected_) {\r\n return;\r\n }\r\n document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n window.removeEventListener('resize', this.refresh);\r\n if (this.mutationsObserver_) {\r\n this.mutationsObserver_.disconnect();\r\n }\r\n if (this.mutationEventsAdded_) {\r\n document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n }\r\n this.mutationsObserver_ = null;\r\n this.mutationEventsAdded_ = false;\r\n this.connected_ = false;\r\n };\r\n /**\r\n * \"Transitionend\" event handler.\r\n *\r\n * @private\r\n * @param {TransitionEvent} event\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n // Detect whether transition may affect dimensions of an element.\r\n var isReflowProperty = transitionKeys.some(function (key) {\r\n return !!~propertyName.indexOf(key);\r\n });\r\n if (isReflowProperty) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Returns instance of the ResizeObserverController.\r\n *\r\n * @returns {ResizeObserverController}\r\n */\r\n ResizeObserverController.getInstance = function () {\r\n if (!this.instance_) {\r\n this.instance_ = new ResizeObserverController();\r\n }\r\n return this.instance_;\r\n };\r\n /**\r\n * Holds reference to the controller's instance.\r\n *\r\n * @private {ResizeObserverController}\r\n */\r\n ResizeObserverController.instance_ = null;\r\n return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n var key = _a[_i];\r\n Object.defineProperty(target, key, {\r\n value: props[key],\r\n enumerable: false,\r\n writable: false,\r\n configurable: true\r\n });\r\n }\r\n return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n // Assume that the element is an instance of Node, which means that it\r\n // has the \"ownerDocument\" property from which we can retrieve a\r\n // corresponding global object.\r\n var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n // Return the local global object if it's not possible extract one from\r\n // provided element.\r\n return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n var positions = [];\r\n for (var _i = 1; _i < arguments.length; _i++) {\r\n positions[_i - 1] = arguments[_i];\r\n }\r\n return positions.reduce(function (size, position) {\r\n var value = styles['border-' + position + '-width'];\r\n return size + toFloat(value);\r\n }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n var positions = ['top', 'right', 'bottom', 'left'];\r\n var paddings = {};\r\n for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n var position = positions_1[_i];\r\n var value = styles['padding-' + position];\r\n paddings[position] = toFloat(value);\r\n }\r\n return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n * to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n var bbox = target.getBBox();\r\n return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n // Client width & height properties can't be\r\n // used exclusively as they provide rounded values.\r\n var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n // By this condition we can catch all non-replaced inline, hidden and\r\n // detached elements. Though elements with width & height properties less\r\n // than 0.5 will be discarded as well.\r\n //\r\n // Without it we would need to implement separate methods for each of\r\n // those cases and it's not possible to perform a precise and performance\r\n // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n // gives wrong results for elements with width & height less than 0.5.\r\n if (!clientWidth && !clientHeight) {\r\n return emptyRect;\r\n }\r\n var styles = getWindowOf(target).getComputedStyle(target);\r\n var paddings = getPaddings(styles);\r\n var horizPad = paddings.left + paddings.right;\r\n var vertPad = paddings.top + paddings.bottom;\r\n // Computed styles of width & height are being used because they are the\r\n // only dimensions available to JS that contain non-rounded values. It could\r\n // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n var width = toFloat(styles.width), height = toFloat(styles.height);\r\n // Width & height include paddings and borders when the 'border-box' box\r\n // model is applied (except for IE).\r\n if (styles.boxSizing === 'border-box') {\r\n // Following conditions are required to handle Internet Explorer which\r\n // doesn't include paddings and borders to computed CSS dimensions.\r\n //\r\n // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n // properties then it's either IE, and thus we don't need to subtract\r\n // anything, or an element merely doesn't have paddings/borders styles.\r\n if (Math.round(width + horizPad) !== clientWidth) {\r\n width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n }\r\n if (Math.round(height + vertPad) !== clientHeight) {\r\n height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n }\r\n }\r\n // Following steps can't be applied to the document's root element as its\r\n // client[Width/Height] properties represent viewport area of the window.\r\n // Besides, it's as well not necessary as the itself neither has\r\n // rendered scroll bars nor it can be clipped.\r\n if (!isDocumentElement(target)) {\r\n // In some browsers (only in Firefox, actually) CSS width & height\r\n // include scroll bars size which can be removed at this step as scroll\r\n // bars are the only difference between rounded dimensions + paddings\r\n // and \"client\" properties, though that is not always true in Chrome.\r\n var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n // Chrome has a rather weird rounding of \"client\" properties.\r\n // E.g. for an element with content width of 314.2px it sometimes gives\r\n // the client width of 315px and for the width of 314.7px it may give\r\n // 314px. And it doesn't happen all the time. So just ignore this delta\r\n // as a non-relevant.\r\n if (Math.abs(vertScrollbar) !== 1) {\r\n width -= vertScrollbar;\r\n }\r\n if (Math.abs(horizScrollbar) !== 1) {\r\n height -= horizScrollbar;\r\n }\r\n }\r\n return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n // interface.\r\n if (typeof SVGGraphicsElement !== 'undefined') {\r\n return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n }\r\n // If it's so, then check that element is at least an instance of the\r\n // SVGElement and that it has the \"getBBox\" method.\r\n // eslint-disable-next-line no-extra-parens\r\n return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element ().\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n if (!isBrowser) {\r\n return emptyRect;\r\n }\r\n if (isSVGGraphicsElement(target)) {\r\n return getSVGContentRect(target);\r\n }\r\n return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n var rect = Object.create(Constr.prototype);\r\n // Rectangle's properties are not writable and non-enumerable.\r\n defineConfigurable(rect, {\r\n x: x, y: y, width: width, height: height,\r\n top: y,\r\n right: x + width,\r\n bottom: height + y,\r\n left: x\r\n });\r\n return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObservation.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n */\r\n function ResizeObservation(target) {\r\n /**\r\n * Broadcasted width of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastWidth = 0;\r\n /**\r\n * Broadcasted height of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastHeight = 0;\r\n /**\r\n * Reference to the last observed content rectangle.\r\n *\r\n * @private {DOMRectInit}\r\n */\r\n this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n this.target = target;\r\n }\r\n /**\r\n * Updates content rectangle and tells whether it's width or height properties\r\n * have changed since the last broadcast.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObservation.prototype.isActive = function () {\r\n var rect = getContentRect(this.target);\r\n this.contentRect_ = rect;\r\n return (rect.width !== this.broadcastWidth ||\r\n rect.height !== this.broadcastHeight);\r\n };\r\n /**\r\n * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n * from the corresponding properties of the last observed content rectangle.\r\n *\r\n * @returns {DOMRectInit} Last observed content rectangle.\r\n */\r\n ResizeObservation.prototype.broadcastRect = function () {\r\n var rect = this.contentRect_;\r\n this.broadcastWidth = rect.width;\r\n this.broadcastHeight = rect.height;\r\n return rect;\r\n };\r\n return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObserverEntry.\r\n *\r\n * @param {Element} target - Element that is being observed.\r\n * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n */\r\n function ResizeObserverEntry(target, rectInit) {\r\n var contentRect = createReadOnlyRect(rectInit);\r\n // According to the specification following properties are not writable\r\n // and are also not enumerable in the native implementation.\r\n //\r\n // Property accessors are not being used as they'd require to define a\r\n // private WeakMap storage which may cause memory leaks in browsers that\r\n // don't support this type of collections.\r\n defineConfigurable(this, { target: target, contentRect: contentRect });\r\n }\r\n return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n * when one of the observed elements changes it's content dimensions.\r\n * @param {ResizeObserverController} controller - Controller instance which\r\n * is responsible for the updates of observer.\r\n * @param {ResizeObserver} callbackCtx - Reference to the public\r\n * ResizeObserver instance which will be passed to callback function.\r\n */\r\n function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n /**\r\n * Collection of resize observations that have detected changes in dimensions\r\n * of elements.\r\n *\r\n * @private {Array}\r\n */\r\n this.activeObservations_ = [];\r\n /**\r\n * Registry of the ResizeObservation instances.\r\n *\r\n * @private {Map}\r\n */\r\n this.observations_ = new MapShim();\r\n if (typeof callback !== 'function') {\r\n throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n }\r\n this.callback_ = callback;\r\n this.controller_ = controller;\r\n this.callbackCtx_ = callbackCtx;\r\n }\r\n /**\r\n * Starts observing provided element.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.observe = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is already being observed.\r\n if (observations.has(target)) {\r\n return;\r\n }\r\n observations.set(target, new ResizeObservation(target));\r\n this.controller_.addObserver(this);\r\n // Force the update of observations.\r\n this.controller_.refresh();\r\n };\r\n /**\r\n * Stops observing provided element.\r\n *\r\n * @param {Element} target - Element to stop observing.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.unobserve = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is not being observed.\r\n if (!observations.has(target)) {\r\n return;\r\n }\r\n observations.delete(target);\r\n if (!observations.size) {\r\n this.controller_.removeObserver(this);\r\n }\r\n };\r\n /**\r\n * Stops observing all elements.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.disconnect = function () {\r\n this.clearActive();\r\n this.observations_.clear();\r\n this.controller_.removeObserver(this);\r\n };\r\n /**\r\n * Collects observation instances the associated element of which has changed\r\n * it's content rectangle.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.gatherActive = function () {\r\n var _this = this;\r\n this.clearActive();\r\n this.observations_.forEach(function (observation) {\r\n if (observation.isActive()) {\r\n _this.activeObservations_.push(observation);\r\n }\r\n });\r\n };\r\n /**\r\n * Invokes initial callback function with a list of ResizeObserverEntry\r\n * instances collected from active resize observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.broadcastActive = function () {\r\n // Do nothing if observer doesn't have active observations.\r\n if (!this.hasActive()) {\r\n return;\r\n }\r\n var ctx = this.callbackCtx_;\r\n // Create ResizeObserverEntry instance for every active observation.\r\n var entries = this.activeObservations_.map(function (observation) {\r\n return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n });\r\n this.callback_.call(ctx, entries, ctx);\r\n this.clearActive();\r\n };\r\n /**\r\n * Clears the collection of active observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.clearActive = function () {\r\n this.activeObservations_.splice(0);\r\n };\r\n /**\r\n * Tells whether observer has active observations.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObserverSPI.prototype.hasActive = function () {\r\n return this.activeObservations_.length > 0;\r\n };\r\n return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n * dimensions of the observed elements change.\r\n */\r\n function ResizeObserver(callback) {\r\n if (!(this instanceof ResizeObserver)) {\r\n throw new TypeError('Cannot call a class as a function.');\r\n }\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n var controller = ResizeObserverController.getInstance();\r\n var observer = new ResizeObserverSPI(callback, controller, this);\r\n observers.set(this, observer);\r\n }\r\n return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n 'observe',\r\n 'unobserve',\r\n 'disconnect'\r\n].forEach(function (method) {\r\n ResizeObserver.prototype[method] = function () {\r\n var _a;\r\n return (_a = observers.get(this))[method].apply(_a, arguments);\r\n };\r\n});\n\nvar index = (function () {\r\n // Export existing implementation if available.\r\n if (typeof global$1.ResizeObserver !== 'undefined') {\r\n return global$1.ResizeObserver;\r\n }\r\n return ResizeObserver;\r\n})();\n\nexport default index;\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ResizeObserver from \"resize-observer-polyfill\"\nimport {\n NEVER,\n Observable,\n Subject,\n defer,\n filter,\n finalize,\n map,\n merge,\n of,\n shareReplay,\n startWith,\n switchMap,\n tap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n width: number /* Element width */\n height: number /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Resize observer entry subject\n */\nconst entry$ = new Subject()\n\n/**\n * Resize observer observable\n *\n * This observable will create a `ResizeObserver` on the first subscription\n * and will automatically terminate it when there are no more subscribers.\n * It's quite important to centralize observation in a single `ResizeObserver`,\n * as the performance difference can be quite dramatic, as the link shows.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n new ResizeObserver(entries => {\n for (const entry of entries)\n entry$.next(entry)\n })\n))\n .pipe(\n switchMap(observer => merge(NEVER, of(observer))\n .pipe(\n finalize(() => observer.disconnect())\n )\n ),\n shareReplay(1)\n )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementSize(\n el: HTMLElement\n): ElementSize {\n return {\n width: el.offsetWidth,\n height: el.offsetHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * This function returns an observable that subscribes to a single internal\n * instance of `ResizeObserver` upon subscription, and emit resize events until\n * termination. Note that this function should not be called with the same\n * element twice, as the first unsubscription will terminate observation.\n *\n * Sadly, we can't use the `DOMRect` objects returned by the observer, because\n * we need the emitted values to be consistent with `getElementSize`, which will\n * return the used values (rounded) and not actual values (unrounded). Thus, we\n * use the `offset*` properties. See the linked GitHub issue.\n *\n * @see https://bit.ly/3m0k3he - GitHub issue\n *\n * @param el - Element\n *\n * @returns Element size observable\n */\nexport function watchElementSize(\n el: HTMLElement\n): Observable {\n return observer$\n .pipe(\n tap(observer => observer.observe(el)),\n switchMap(observer => entry$\n .pipe(\n filter(({ target }) => target === el),\n finalize(() => observer.unobserve(el)),\n map(() => getElementSize(el))\n )\n ),\n startWith(getElementSize(el))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ElementSize } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content size (= scroll width and height)\n *\n * @param el - Element\n *\n * @returns Element content size\n */\nexport function getElementContentSize(\n el: HTMLElement\n): ElementSize {\n return {\n width: el.scrollWidth,\n height: el.scrollHeight\n }\n}\n\n/**\n * Retrieve the overflowing container of an element, if any\n *\n * @param el - Element\n *\n * @returns Overflowing container or nothing\n */\nexport function getElementContainer(\n el: HTMLElement\n): HTMLElement | undefined {\n let parent = el.parentElement\n while (parent)\n if (\n el.scrollWidth <= parent.scrollWidth &&\n el.scrollHeight <= parent.scrollHeight\n )\n parent = (el = parent).parentElement\n else\n break\n\n /* Return overflowing container */\n return parent ? el : undefined\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n NEVER,\n Observable,\n Subject,\n defer,\n distinctUntilChanged,\n filter,\n finalize,\n map,\n merge,\n of,\n shareReplay,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport {\n getElementContentSize,\n getElementSize,\n watchElementContentOffset\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Intersection observer entry subject\n */\nconst entry$ = new Subject()\n\n/**\n * Intersection observer observable\n *\n * This observable will create an `IntersectionObserver` on first subscription\n * and will automatically terminate it when there are no more subscribers.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n new IntersectionObserver(entries => {\n for (const entry of entries)\n entry$.next(entry)\n }, {\n threshold: 0\n })\n))\n .pipe(\n switchMap(observer => merge(NEVER, of(observer))\n .pipe(\n finalize(() => observer.disconnect())\n )\n ),\n shareReplay(1)\n )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element visibility\n *\n * @param el - Element\n *\n * @returns Element visibility observable\n */\nexport function watchElementVisibility(\n el: HTMLElement\n): Observable {\n return observer$\n .pipe(\n tap(observer => observer.observe(el)),\n switchMap(observer => entry$\n .pipe(\n filter(({ target }) => target === el),\n finalize(() => observer.unobserve(el)),\n map(({ isIntersecting }) => isIntersecting)\n )\n )\n )\n}\n\n/**\n * Watch element boundary\n *\n * This function returns an observable which emits whether the bottom content\n * boundary (= scroll offset) of an element is within a certain threshold.\n *\n * @param el - Element\n * @param threshold - Threshold\n *\n * @returns Element boundary observable\n */\nexport function watchElementBoundary(\n el: HTMLElement, threshold = 16\n): Observable {\n return watchElementContentOffset(el)\n .pipe(\n map(({ y }) => {\n const visible = getElementSize(el)\n const content = getElementContentSize(el)\n return y >= (\n content.height - visible.height - threshold\n )\n }),\n distinctUntilChanged()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n startWith\n} from \"rxjs\"\n\nimport { getElement } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n | \"drawer\" /* Toggle for drawer */\n | \"search\" /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record = {\n drawer: getElement(\"[data-md-toggle=drawer]\"),\n search: getElement(\"[data-md-toggle=search]\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n if (toggles[name].checked !== value)\n toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable {\n const el = toggles[name]\n return fromEvent(el, \"change\")\n .pipe(\n map(() => el.checked),\n startWith(el.checked)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n filter,\n fromEvent,\n map,\n share\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../element\"\nimport { getToggle } from \"../toggle\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n | \"global\" /* Global */\n | \"search\" /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard {\n mode: KeyboardMode /* Keyboard mode */\n type: string /* Key type */\n claim(): void /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n * @param type - Key type\n *\n * @returns Test result\n */\nfunction isSusceptibleToKeyboard(\n el: HTMLElement, type: string\n): boolean {\n switch (el.constructor) {\n\n /* Input elements */\n case HTMLInputElement:\n /* @ts-expect-error - omit unnecessary type cast */\n if (el.type === \"radio\")\n return /^Arrow/.test(type)\n else\n return true\n\n /* Select element and textarea */\n case HTMLSelectElement:\n case HTMLTextAreaElement:\n return true\n\n /* Everything else */\n default:\n return el.isContentEditable\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch keyboard\n *\n * @returns Keyboard observable\n */\nexport function watchKeyboard(): Observable {\n return fromEvent(window, \"keydown\")\n .pipe(\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\n map(ev => ({\n mode: getToggle(\"search\") ? \"search\" : \"global\",\n type: ev.key,\n claim() {\n ev.preventDefault()\n ev.stopPropagation()\n }\n } as Keyboard)),\n filter(({ mode, type }) => {\n if (mode === \"global\") {\n const active = getActiveElement()\n if (typeof active !== \"undefined\")\n return !isSusceptibleToKeyboard(active, type)\n }\n return true\n }),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function returns a `URL` object (and not `Location`) to normalize the\n * typings across the application. Furthermore, locations need to be tracked\n * without setting them and `Location` is a singleton which represents the\n * current location.\n *\n * @returns URL\n */\nexport function getLocation(): URL {\n return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * @param url - URL to change to\n */\nexport function setLocation(url: URL): void {\n location.href = url.href\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @returns Location subject\n */\nexport function watchLocation(): Subject {\n return new Subject()\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child =\n | HTMLElement\n | Text\n | string\n | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(el: HTMLElement, child: Child | Child[]): void {\n\n /* Handle primitive types (including raw HTML) */\n if (typeof child === \"string\" || typeof child === \"number\") {\n el.innerHTML += child.toString()\n\n /* Handle nodes */\n } else if (child instanceof Node) {\n el.appendChild(child)\n\n /* Handle nested children */\n } else if (Array.isArray(child)) {\n for (const node of child)\n appendChild(el, node)\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @template T - Element type\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @returns Element\n */\nexport function h(\n tag: T, attributes?: Attributes | null, ...children: Child[]\n): HTMLElementTagNameMap[T]\n\nexport function h(\n tag: string, attributes?: Attributes | null, ...children: Child[]\n): T\n\nexport function h(\n tag: string, attributes?: Attributes | null, ...children: Child[]\n): T {\n const el = document.createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of Object.keys(attributes)) {\n if (typeof attributes[attr] === \"undefined\")\n continue\n\n /* Set default attribute or boolean */\n if (typeof attributes[attr] !== \"boolean\")\n el.setAttribute(attr, attributes[attr])\n else\n el.setAttribute(attr, \"\")\n }\n\n /* Append child nodes */\n for (const child of children)\n appendChild(el, child)\n\n /* Return element */\n return el as T\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n namespace JSX {\n type Element = HTMLElement\n type IntrinsicElements = JSXInternal.IntrinsicElements\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Truncate a string after the given number of characters\n *\n * This is not a very reasonable approach, since the summaries kind of suck.\n * It would be better to create something more intelligent, highlighting the\n * search occurrences and making a better summary out of it, but this note was\n * written three years ago, so who knows if we'll ever fix it.\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @returns Truncated value\n */\nexport function truncate(value: string, n: number): string {\n let i = n\n if (value.length > i) {\n while (value[i] !== \" \" && --i > 0) { /* keep eating */ }\n return `${value.substring(0, i)}...`\n }\n return value\n}\n\n/**\n * Round a number for display with repository facts\n *\n * This is a reverse-engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @returns Rounded value\n */\nexport function round(value: number): string {\n if (value > 999) {\n const digits = +((value - 950) % 1000 > 99)\n return `${((value + 0.000001) / 1000).toFixed(digits)}k`\n } else {\n return value.toString()\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n filter,\n fromEvent,\n map,\n shareReplay,\n startWith\n} from \"rxjs\"\n\nimport { getOptionalElement } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @returns Location hash\n */\nexport function getLocationHash(): string {\n return location.hash.substring(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n const el = h(\"a\", { href: hash })\n el.addEventListener(\"click\", ev => ev.stopPropagation())\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @returns Location hash observable\n */\nexport function watchLocationHash(): Observable {\n return fromEvent(window, \"hashchange\")\n .pipe(\n map(getLocationHash),\n startWith(getLocationHash()),\n filter(hash => hash.length > 0),\n shareReplay(1)\n )\n}\n\n/**\n * Watch location target\n *\n * @returns Location target observable\n */\nexport function watchLocationTarget(): Observable {\n return watchLocationHash()\n .pipe(\n map(id => getOptionalElement(`[id=\"${id}\"]`)!),\n filter(el => typeof el !== \"undefined\")\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n fromEvent,\n fromEventPattern,\n map,\n merge,\n startWith,\n switchMap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * Note that although `MediaQueryList.addListener` is deprecated we have to\n * use it, because it's the only way to ensure proper downward compatibility.\n *\n * @see https://bit.ly/3dUBH2m - GitHub issue\n *\n * @param query - Media query\n *\n * @returns Media observable\n */\nexport function watchMedia(query: string): Observable {\n const media = matchMedia(query)\n return fromEventPattern(next => (\n media.addListener(() => next(media.matches))\n ))\n .pipe(\n startWith(media.matches)\n )\n}\n\n/**\n * Watch print mode\n *\n * @returns Print observable\n */\nexport function watchPrint(): Observable {\n const media = matchMedia(\"print\")\n return merge(\n fromEvent(window, \"beforeprint\").pipe(map(() => true)),\n fromEvent(window, \"afterprint\").pipe(map(() => false))\n )\n .pipe(\n startWith(media.matches)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Toggle an observable with a media observable\n *\n * @template T - Data type\n *\n * @param query$ - Media observable\n * @param factory - Observable factory\n *\n * @returns Toggled observable\n */\nexport function at(\n query$: Observable, factory: () => Observable\n): Observable {\n return query$\n .pipe(\n switchMap(active => active ? factory() : EMPTY)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n catchError,\n from,\n map,\n of,\n shareReplay,\n switchMap,\n throwError\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the given URL\n *\n * If the request fails (e.g. when dispatched from `file://` locations), the\n * observable will complete without emitting a value.\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Response observable\n */\nexport function request(\n url: URL | string, options: RequestInit = { credentials: \"same-origin\" }\n): Observable {\n return from(fetch(`${url}`, options))\n .pipe(\n catchError(() => EMPTY),\n switchMap(res => res.status !== 200\n ? throwError(() => new Error(res.statusText))\n : of(res)\n )\n )\n}\n\n/**\n * Fetch JSON from the given URL\n *\n * @template T - Data type\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestJSON(\n url: URL | string, options?: RequestInit\n): Observable {\n return request(url, options)\n .pipe(\n switchMap(res => res.json()),\n shareReplay(1)\n )\n}\n\n/**\n * Fetch XML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestXML(\n url: URL | string, options?: RequestInit\n): Observable {\n const dom = new DOMParser()\n return request(url, options)\n .pipe(\n switchMap(res => res.text()),\n map(res => dom.parseFromString(res, \"text/xml\")),\n shareReplay(1)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n defer,\n finalize,\n fromEvent,\n map,\n merge,\n switchMap,\n take,\n throwError\n} from \"rxjs\"\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create and load a `script` element\n *\n * This function returns an observable that will emit when the script was\n * successfully loaded, or throw an error if it didn't.\n *\n * @param src - Script URL\n *\n * @returns Script observable\n */\nexport function watchScript(src: string): Observable {\n const script = h(\"script\", { src })\n return defer(() => {\n document.head.appendChild(script)\n return merge(\n fromEvent(script, \"load\"),\n fromEvent(script, \"error\")\n .pipe(\n switchMap(() => (\n throwError(() => new ReferenceError(`Invalid script: ${src}`))\n ))\n )\n )\n .pipe(\n map(() => undefined),\n finalize(() => document.head.removeChild(script)),\n take(1)\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n merge,\n startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @returns Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n return {\n x: Math.max(0, scrollX),\n y: Math.max(0, scrollY)\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @returns Viewport offset observable\n */\nexport function watchViewportOffset(): Observable {\n return merge(\n fromEvent(window, \"scroll\", { passive: true }),\n fromEvent(window, \"resize\", { passive: true })\n )\n .pipe(\n map(getViewportOffset),\n startWith(getViewportOffset())\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n width: number /* Viewport width */\n height: number /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @returns Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n return {\n width: innerWidth,\n height: innerHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @returns Viewport size observable\n */\nexport function watchViewportSize(): Observable {\n return fromEvent(window, \"resize\", { passive: true })\n .pipe(\n map(getViewportSize),\n startWith(getViewportSize())\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n map,\n shareReplay\n} from \"rxjs\"\n\nimport {\n ViewportOffset,\n watchViewportOffset\n} from \"../offset\"\nimport {\n ViewportSize,\n watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n offset: ViewportOffset /* Viewport offset */\n size: ViewportSize /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @returns Viewport observable\n */\nexport function watchViewport(): Observable {\n return combineLatest([\n watchViewportOffset(),\n watchViewportSize()\n ])\n .pipe(\n map(([offset, size]) => ({ offset, size })),\n shareReplay(1)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n distinctUntilKeyChanged,\n map\n} from \"rxjs\"\n\nimport { Header } from \"~/components\"\n\nimport { getElementOffset } from \"../../element\"\nimport { Viewport } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @returns Viewport observable\n */\nexport function watchViewportAt(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n const size$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\")\n )\n\n /* Compute element offset */\n const offset$ = combineLatest([size$, header$])\n .pipe(\n map(() => getElementOffset(el))\n )\n\n /* Compute relative viewport, return hot observable */\n return combineLatest([header$, viewport$, offset$])\n .pipe(\n map(([{ height }, { offset, size }, { x, y }]) => ({\n offset: {\n x: offset.x - x,\n y: offset.y - y + height\n },\n size\n }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n fromEvent,\n map,\n share,\n switchMap,\n tap,\n throttle\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n type: unknown /* Message type */\n data?: unknown /* Message data */\n}\n\n/**\n * Worker handler\n *\n * @template T - Message type\n */\nexport interface WorkerHandler<\n T extends WorkerMessage\n> {\n tx$: Subject /* Message transmission subject */\n rx$: Observable /* Message receive observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n *\n * @template T - Worker message type\n */\ninterface WatchOptions {\n tx$: Observable /* Message transmission observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that sends all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n * @param options - Options\n *\n * @returns Worker message observable\n */\nexport function watchWorker(\n worker: Worker, { tx$ }: WatchOptions\n): Observable {\n\n /* Intercept messages from worker-like objects */\n const rx$ = fromEvent(worker, \"message\")\n .pipe(\n map(({ data }) => data as T)\n )\n\n /* Send and receive messages, return hot observable */\n return tx$\n .pipe(\n throttle(() => rx$, { leading: true, trailing: true }),\n tap(message => worker.postMessage(message)),\n switchMap(() => rx$),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getLocation } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flag\n */\nexport type Flag =\n | \"announce.dismiss\" /* Dismissable announcement bar */\n | \"content.code.annotate\" /* Code annotations */\n | \"content.lazy\" /* Lazy content elements */\n | \"content.tabs.link\" /* Link content tabs */\n | \"header.autohide\" /* Hide header */\n | \"navigation.expand\" /* Automatic expansion */\n | \"navigation.indexes\" /* Section pages */\n | \"navigation.instant\" /* Instant loading */\n | \"navigation.sections\" /* Section navigation */\n | \"navigation.tabs\" /* Tabs navigation */\n | \"navigation.tabs.sticky\" /* Tabs navigation (sticky) */\n | \"navigation.top\" /* Back-to-top button */\n | \"navigation.tracking\" /* Anchor tracking */\n | \"search.highlight\" /* Search highlighting */\n | \"search.share\" /* Search sharing */\n | \"search.suggest\" /* Search suggestions */\n | \"toc.follow\" /* Following table of contents */\n | \"toc.integrate\" /* Integrated table of contents */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Translation\n */\nexport type Translation =\n | \"clipboard.copy\" /* Copy to clipboard */\n | \"clipboard.copied\" /* Copied to clipboard */\n | \"search.config.lang\" /* Search language */\n | \"search.config.pipeline\" /* Search pipeline */\n | \"search.config.separator\" /* Search separator */\n | \"search.placeholder\" /* Search */\n | \"search.result.placeholder\" /* Type to start searching */\n | \"search.result.none\" /* No matching documents */\n | \"search.result.one\" /* 1 matching document */\n | \"search.result.other\" /* # matching documents */\n | \"search.result.more.one\" /* 1 more on this page */\n | \"search.result.more.other\" /* # more on this page */\n | \"search.result.term.missing\" /* Missing */\n | \"select.version.title\" /* Version selector */\n\n/**\n * Translations\n */\nexport type Translations = Record\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Versioning\n */\nexport interface Versioning {\n provider: \"mike\" /* Version provider */\n default?: string /* Default version */\n}\n\n/**\n * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n features: Flag[] /* Feature flags */\n translations: Translations /* Translations */\n search: string /* Search worker URL */\n tags?: Record /* Tags mapping */\n version?: Versioning /* Versioning */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration and make base URL absolute\n */\nconst script = getElement(\"#__config\")\nconst config: Config = JSON.parse(script.textContent!)\nconfig.base = `${new URL(config.base, getLocation())}`\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration\n *\n * @returns Global configuration\n */\nexport function configuration(): Config {\n return config\n}\n\n/**\n * Check whether a feature flag is enabled\n *\n * @param flag - Feature flag\n *\n * @returns Test result\n */\nexport function feature(flag: Flag): boolean {\n return config.features.includes(flag)\n}\n\n/**\n * Retrieve the translation for the given key\n *\n * @param key - Key to be translated\n * @param value - Positional value, if any\n *\n * @returns Translation\n */\nexport function translation(\n key: Translation, value?: string | number\n): string {\n return typeof value !== \"undefined\"\n ? config.translations[key].replace(\"#\", value.toString())\n : config.translations[key]\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type\n */\nexport type ComponentType =\n | \"announce\" /* Announcement bar */\n | \"container\" /* Container */\n | \"consent\" /* Consent */\n | \"content\" /* Content */\n | \"dialog\" /* Dialog */\n | \"header\" /* Header */\n | \"header-title\" /* Header title */\n | \"header-topic\" /* Header topic */\n | \"main\" /* Main area */\n | \"outdated\" /* Version warning */\n | \"palette\" /* Color palette */\n | \"search\" /* Search */\n | \"search-query\" /* Search input */\n | \"search-result\" /* Search results */\n | \"search-share\" /* Search sharing */\n | \"search-suggest\" /* Search suggestions */\n | \"sidebar\" /* Sidebar */\n | \"skip\" /* Skip link */\n | \"source\" /* Repository information */\n | \"tabs\" /* Navigation tabs */\n | \"toc\" /* Table of contents */\n | \"top\" /* Back-to-top button */\n\n/**\n * Component\n *\n * @template T - Component type\n * @template U - Reference type\n */\nexport type Component<\n T extends {} = {},\n U extends HTMLElement = HTMLElement\n> =\n T & {\n ref: U /* Component reference */\n }\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type map\n */\ninterface ComponentTypeMap {\n \"announce\": HTMLElement /* Announcement bar */\n \"container\": HTMLElement /* Container */\n \"consent\": HTMLElement /* Consent */\n \"content\": HTMLElement /* Content */\n \"dialog\": HTMLElement /* Dialog */\n \"header\": HTMLElement /* Header */\n \"header-title\": HTMLElement /* Header title */\n \"header-topic\": HTMLElement /* Header topic */\n \"main\": HTMLElement /* Main area */\n \"outdated\": HTMLElement /* Version warning */\n \"palette\": HTMLElement /* Color palette */\n \"search\": HTMLElement /* Search */\n \"search-query\": HTMLInputElement /* Search input */\n \"search-result\": HTMLElement /* Search results */\n \"search-share\": HTMLAnchorElement /* Search sharing */\n \"search-suggest\": HTMLElement /* Search suggestions */\n \"sidebar\": HTMLElement /* Sidebar */\n \"skip\": HTMLAnchorElement /* Skip link */\n \"source\": HTMLAnchorElement /* Repository information */\n \"tabs\": HTMLElement /* Navigation tabs */\n \"toc\": HTMLElement /* Table of contents */\n \"top\": HTMLAnchorElement /* Back-to-top button */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the element for a given component or throw a reference error\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getComponentElement(\n type: T, node: ParentNode = document\n): ComponentTypeMap[T] {\n return getElement(`[data-md-component=${type}]`, node)\n}\n\n/**\n * Retrieve all elements for a given component\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getComponentElements(\n type: T, node: ParentNode = document\n): ComponentTypeMap[T][] {\n return getElements(`[data-md-component=${type}]`, node)\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n finalize,\n fromEvent,\n map,\n startWith,\n tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Announcement bar\n */\nexport interface Announce {\n hash: number /* Content hash */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar observable\n */\nexport function watchAnnounce(\n el: HTMLElement\n): Observable {\n const button = getElement(\".md-typeset > :first-child\", el)\n return fromEvent(button, \"click\", { once: true })\n .pipe(\n map(() => getElement(\".md-typeset\", el)),\n map(content => ({ hash: __md_hash(content.innerHTML) }))\n )\n}\n\n/**\n * Mount announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar component observable\n */\nexport function mountAnnounce(\n el: HTMLElement\n): Observable> {\n if (!feature(\"announce.dismiss\") || !el.childElementCount)\n return EMPTY\n\n /* Mount component on subscription */\n return defer(() => {\n const push$ = new Subject()\n push$\n .pipe(\n startWith({ hash: __md_get(\"__announce\") })\n )\n .subscribe(({ hash }) => {\n if (hash && hash === (__md_get(\"__announce\") ?? hash)) {\n el.hidden = true\n\n /* Persist preference in local storage */\n __md_set(\"__announce\", hash)\n }\n })\n\n /* Create and return component */\n return watchAnnounce(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n finalize,\n map,\n tap\n} from \"rxjs\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Consent\n */\nexport interface Consent {\n hidden: boolean /* Consent is hidden */\n}\n\n/**\n * Consent defaults\n */\nexport interface ConsentDefaults {\n analytics?: boolean /* Consent for Analytics */\n github?: boolean /* Consent for GitHub */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n target$: Observable /* Target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent observable\n */\nexport function watchConsent(\n el: HTMLElement, { target$ }: WatchOptions\n): Observable {\n return target$\n .pipe(\n map(target => ({ hidden: target !== el }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent component observable\n */\nexport function mountConsent(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$.subscribe(({ hidden }) => {\n el.hidden = hidden\n })\n\n /* Create and return component */\n return watchConsent(el, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n finalize,\n map,\n mergeWith,\n switchMap,\n take,\n tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n getElementContentSize,\n watchElementSize,\n watchElementVisibility\n} from \"~/browser\"\nimport { renderClipboardButton } from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n Annotation,\n mountAnnotationList\n} from \"../../annotation\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Code block\n */\nexport interface CodeBlock {\n scrollable: boolean /* Code block overflows */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for code blocks\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find candidate list element directly following a code block\n *\n * @param el - Code block element\n *\n * @returns List element or nothing\n */\nfunction findCandidateList(el: HTMLElement): HTMLElement | undefined {\n if (el.nextElementSibling) {\n const sibling = el.nextElementSibling as HTMLElement\n if (sibling.tagName === \"OL\")\n return sibling\n\n /* Skip empty paragraphs - see https://bit.ly/3r4ZJ2O */\n else if (sibling.tagName === \"P\" && !sibling.children.length)\n return findCandidateList(sibling)\n }\n\n /* Everything else */\n return undefined\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch code block\n *\n * This function monitors size changes of the viewport, as well as switches of\n * content tabs with embedded code blocks, as both may trigger overflow.\n *\n * @param el - Code block element\n *\n * @returns Code block observable\n */\nexport function watchCodeBlock(\n el: HTMLElement\n): Observable {\n return watchElementSize(el)\n .pipe(\n map(({ width }) => {\n const content = getElementContentSize(el)\n return {\n scrollable: content.width > width\n }\n }),\n distinctUntilKeyChanged(\"scrollable\")\n )\n}\n\n/**\n * Mount code block\n *\n * This function ensures that an overflowing code block is focusable through\n * keyboard, so it can be scrolled without a mouse to improve on accessibility.\n * Furthermore, if code annotations are enabled, they are mounted if and only\n * if the code block is currently visible, e.g., not in a hidden content tab.\n *\n * Note that code blocks may be mounted eagerly or lazily. If they're mounted\n * lazily (on first visibility), code annotation anchor links will not work,\n * as they are evaluated on initial page load, and code annotations in general\n * might feel a little bumpier.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block and annotation component observable\n */\nexport function mountCodeBlock(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const { matches: hover } = matchMedia(\"(hover)\")\n\n /* Defer mounting of code block - see https://bit.ly/3vHVoVD */\n const factory$ = defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ scrollable }) => {\n if (scrollable && hover)\n el.setAttribute(\"tabindex\", \"0\")\n else\n el.removeAttribute(\"tabindex\")\n })\n\n /* Render button for Clipboard.js integration */\n if (ClipboardJS.isSupported()) {\n const parent = el.closest(\"pre\")!\n parent.id = `__code_${++sequence}`\n parent.insertBefore(\n renderClipboardButton(parent.id),\n el\n )\n }\n\n /* Handle code annotations */\n const container = el.closest(\".highlight\")\n if (container instanceof HTMLElement) {\n const list = findCandidateList(container)\n\n /* Mount code annotations, if enabled */\n if (typeof list !== \"undefined\" && (\n container.classList.contains(\"annotate\") ||\n feature(\"content.code.annotate\")\n )) {\n const annotations$ = mountAnnotationList(list, el, options)\n\n /* Create and return component */\n return watchCodeBlock(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state })),\n mergeWith(\n watchElementSize(container)\n .pipe(\n map(({ width, height }) => width && height),\n distinctUntilChanged(),\n switchMap(active => active ? annotations$ : EMPTY)\n )\n )\n )\n }\n }\n\n /* Create and return component */\n return watchCodeBlock(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n\n /* Mount code block lazily */\n if (feature(\"content.lazy\"))\n return watchElementVisibility(el)\n .pipe(\n filter(visible => visible),\n take(1),\n switchMap(() => factory$)\n )\n\n /* Mount code block */\n return factory$\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a tooltip\n *\n * @param id - Tooltip identifier\n *\n * @returns Element\n */\nexport function renderTooltip(id?: string): HTMLElement {\n return (\n
    \n
    \n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\nimport { renderTooltip } from \"../tooltip\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render an annotation\n *\n * @param id - Annotation identifier\n * @param prefix - Tooltip identifier prefix\n *\n * @returns Element\n */\nexport function renderAnnotation(\n id: string | number, prefix?: string\n): HTMLElement {\n prefix = prefix ? `${prefix}_annotation_${id}` : undefined\n\n /* Render tooltip with anchor, if given */\n if (prefix) {\n const anchor = prefix ? `#${prefix}` : undefined\n return (\n \n )\n } else {\n return (\n \n )\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @returns Element\n */\nexport function renderClipboardButton(id: string): HTMLElement {\n return (\n code`}\n >\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ComponentChild } from \"preact\"\n\nimport { configuration, feature, translation } from \"~/_\"\nimport {\n SearchDocument,\n SearchMetadata,\n SearchResultItem\n} from \"~/integrations/search\"\nimport { h, truncate } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Render flag\n */\nconst enum Flag {\n TEASER = 1, /* Render teaser */\n PARENT = 2 /* Render as parent */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper function\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search document\n *\n * @param document - Search document\n * @param flag - Render flags\n *\n * @returns Element\n */\nfunction renderSearchDocument(\n document: SearchDocument & SearchMetadata, flag: Flag\n): HTMLElement {\n const parent = flag & Flag.PARENT\n const teaser = flag & Flag.TEASER\n\n /* Render missing query terms */\n const missing = Object.keys(document.terms)\n .filter(key => !document.terms[key])\n .reduce((list, key) => [\n ...list, {key}, \" \"\n ], [])\n .slice(0, -1)\n\n /* Assemble query string for highlighting */\n const url = new URL(document.location)\n if (feature(\"search.highlight\"))\n url.searchParams.set(\"h\", Object.entries(document.terms)\n .filter(([, match]) => match)\n .reduce((highlight, [value]) => `${highlight} ${value}`.trim(), \"\")\n )\n\n /* Render article or section, depending on flags */\n const { tags } = configuration()\n return (\n \n \n {parent > 0 &&
    }\n

    {document.title}

    \n {teaser > 0 && document.text.length > 0 &&\n

    \n {truncate(document.text, 320)}\n

    \n }\n {document.tags && (\n
    \n {document.tags.map(tag => {\n const id = tag.replace(/<[^>]+>/g, \"\")\n const type = tags\n ? id in tags\n ? `md-tag-icon md-tag-icon--${tags[id]}`\n : \"md-tag-icon\"\n : \"\"\n return (\n {tag}\n )\n })}\n
    \n )}\n {teaser > 0 && missing.length > 0 &&\n

    \n {translation(\"search.result.term.missing\")}: {...missing}\n

    \n }\n \n     \n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @returns Element\n */\nexport function renderSearchResultItem(\n result: SearchResultItem\n): HTMLElement {\n const threshold = result[0].score\n const docs = [...result]\n\n /* Find and extract parent article */\n const parent = docs.findIndex(doc => !doc.location.includes(\"#\"))\n const [article] = docs.splice(parent, 1)\n\n /* Determine last index above threshold */\n let index = docs.findIndex(doc => doc.score < threshold)\n if (index === -1)\n index = docs.length\n\n /* Partition sections */\n const best = docs.slice(0, index)\n const more = docs.slice(index)\n\n /* Render children */\n const children = [\n renderSearchDocument(article, Flag.PARENT | +(!parent && index === 0)),\n ...best.map(section => renderSearchDocument(section, Flag.TEASER)),\n ...more.length ? [\n
    \n \n {more.length > 0 && more.length === 1\n ? translation(\"search.result.more.one\")\n : translation(\"search.result.more.other\", more.length)\n }\n \n {...more.map(section => renderSearchDocument(section, Flag.TEASER))}\n
    \n ] : []\n ]\n\n /* Render search result */\n return (\n
  • \n {children}\n
    • \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"~/components\"\nimport { h, round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render repository facts\n *\n * @param facts - Repository facts\n *\n * @returns Element\n */\nexport function renderSourceFacts(facts: SourceFacts): HTMLElement {\n return (\n
      \n {Object.entries(facts).map(([key, value]) => (\n
    • \n {typeof value === \"number\" ? round(value) : value}\n
      • \n ))}\n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabbed control type\n */\ntype TabbedControlType =\n | \"prev\"\n | \"next\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render control for content tabs\n *\n * @param type - Control type\n *\n * @returns Element\n */\nexport function renderTabbedControl(\n type: TabbedControlType\n): HTMLElement {\n const classes = `tabbed-control tabbed-control--${type}`\n return (\n \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @returns Element\n */\nexport function renderTable(table: HTMLElement): HTMLElement {\n return (\n
    \n
    \n {table}\n
    \n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration, translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Version\n */\nexport interface Version {\n version: string /* Version identifier */\n title: string /* Version title */\n aliases: string[] /* Version aliases */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version\n *\n * @param version - Version\n *\n * @returns Element\n */\nfunction renderVersion(version: Version): HTMLElement {\n const config = configuration()\n\n /* Ensure trailing slash - see https://bit.ly/3rL5u3f */\n const url = new URL(`../${version.version}/`, config.base)\n return (\n
  • \n \n {version.title}\n \n
    • \n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version selector\n *\n * @param versions - Versions\n * @param active - Active version\n *\n * @returns Element\n */\nexport function renderVersionSelector(\n versions: Version[], active: Version\n): HTMLElement {\n return (\n
    \n \n {active.title}\n \n
      \n {versions.map(renderVersion)}\n
    \n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n auditTime,\n combineLatest,\n debounceTime,\n defer,\n delay,\n filter,\n finalize,\n fromEvent,\n map,\n merge,\n switchMap,\n take,\n takeLast,\n takeUntil,\n tap,\n throttleTime,\n withLatestFrom\n} from \"rxjs\"\n\nimport {\n ElementOffset,\n getActiveElement,\n getElementSize,\n watchElementContentOffset,\n watchElementFocus,\n watchElementOffset,\n watchElementVisibility\n} from \"~/browser\"\n\nimport { Component } from \"../../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Annotation\n */\nexport interface Annotation {\n active: boolean /* Annotation is active */\n offset: ElementOffset /* Annotation offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n *\n * @returns Annotation observable\n */\nexport function watchAnnotation(\n el: HTMLElement, container: HTMLElement\n): Observable {\n const offset$ = defer(() => combineLatest([\n watchElementOffset(el),\n watchElementContentOffset(container)\n ]))\n .pipe(\n map(([{ x, y }, scroll]): ElementOffset => {\n const { width, height } = getElementSize(el)\n return ({\n x: x - scroll.x + width / 2,\n y: y - scroll.y + height / 2\n })\n })\n )\n\n /* Actively watch annotation on focus */\n return watchElementFocus(el)\n .pipe(\n switchMap(active => offset$\n .pipe(\n map(offset => ({ active, offset })),\n take(+!active || Infinity)\n )\n )\n )\n}\n\n/**\n * Mount annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotation(\n el: HTMLElement, container: HTMLElement, { target$ }: MountOptions\n): Observable> {\n const [tooltip, index] = Array.from(el.children)\n\n /* Mount component on subscription */\n return defer(() => {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n push$.subscribe({\n\n /* Handle emission */\n next({ offset }) {\n el.style.setProperty(\"--md-tooltip-x\", `${offset.x}px`)\n el.style.setProperty(\"--md-tooltip-y\", `${offset.y}px`)\n },\n\n /* Handle complete */\n complete() {\n el.style.removeProperty(\"--md-tooltip-x\")\n el.style.removeProperty(\"--md-tooltip-y\")\n }\n })\n\n /* Start animation only when annotation is visible */\n watchElementVisibility(el)\n .pipe(\n takeUntil(done$)\n )\n .subscribe(visible => {\n el.toggleAttribute(\"data-md-visible\", visible)\n })\n\n /* Toggle tooltip presence to mitigate empty lines when copying */\n merge(\n push$.pipe(filter(({ active }) => active)),\n push$.pipe(debounceTime(250), filter(({ active }) => !active))\n )\n .subscribe({\n\n /* Handle emission */\n next({ active }) {\n if (active)\n el.prepend(tooltip)\n else\n tooltip.remove()\n },\n\n /* Handle complete */\n complete() {\n el.prepend(tooltip)\n }\n })\n\n /* Toggle tooltip visibility */\n push$\n .pipe(\n auditTime(16, animationFrameScheduler)\n )\n .subscribe(({ active }) => {\n tooltip.classList.toggle(\"md-tooltip--active\", active)\n })\n\n /* Track relative origin of tooltip */\n push$\n .pipe(\n throttleTime(125, animationFrameScheduler),\n filter(() => !!el.offsetParent),\n map(() => el.offsetParent!.getBoundingClientRect()),\n map(({ x }) => x)\n )\n .subscribe({\n\n /* Handle emission */\n next(origin) {\n if (origin)\n el.style.setProperty(\"--md-tooltip-0\", `${-origin}px`)\n else\n el.style.removeProperty(\"--md-tooltip-0\")\n },\n\n /* Handle complete */\n complete() {\n el.style.removeProperty(\"--md-tooltip-0\")\n }\n })\n\n /* Allow to copy link without scrolling to anchor */\n fromEvent(index, \"click\")\n .pipe(\n takeUntil(done$),\n filter(ev => !(ev.metaKey || ev.ctrlKey))\n )\n .subscribe(ev => ev.preventDefault())\n\n /* Allow to open link in new tab or blur on close */\n fromEvent(index, \"mousedown\")\n .pipe(\n takeUntil(done$),\n withLatestFrom(push$)\n )\n .subscribe(([ev, { active }]) => {\n\n /* Open in new tab */\n if (ev.button !== 0 || ev.metaKey || ev.ctrlKey) {\n ev.preventDefault()\n\n /* Close annotation */\n } else if (active) {\n ev.preventDefault()\n\n /* Focus parent annotation, if any */\n const parent = el.parentElement!.closest(\".md-annotation\")\n if (parent instanceof HTMLElement)\n parent.focus()\n else\n getActiveElement()?.blur()\n }\n })\n\n /* Open and focus annotation on location target */\n target$\n .pipe(\n takeUntil(done$),\n filter(target => target === tooltip),\n delay(125)\n )\n .subscribe(() => el.focus())\n\n /* Create and return component */\n return watchAnnotation(el, container)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n finalize,\n merge,\n share,\n takeLast,\n takeUntil\n} from \"rxjs\"\n\nimport {\n getElement,\n getElements,\n getOptionalElement\n} from \"~/browser\"\nimport { renderAnnotation } from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n Annotation,\n mountAnnotation\n} from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find all annotation markers in the given code block\n *\n * @param container - Containing element\n *\n * @returns Annotation markers\n */\nfunction findAnnotationMarkers(container: HTMLElement): Text[] {\n const markers: Text[] = []\n for (const el of getElements(\".c, .c1, .cm\", container)) {\n const nodes: Text[] = []\n\n /* Find all text nodes in current element */\n const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n for (let node = it.nextNode(); node; node = it.nextNode())\n nodes.push(node as Text)\n\n /* Find all markers in each text node */\n for (let text of nodes) {\n let match: RegExpExecArray | null\n\n /* Split text at marker and add to list */\n while ((match = /(\\(\\d+\\))(!)?/.exec(text.textContent!))) {\n const [, id, force] = match\n if (typeof force === \"undefined\") {\n const marker = text.splitText(match.index)\n text = marker.splitText(id.length)\n markers.push(marker)\n\n /* Replace entire text with marker */\n } else {\n text.textContent = id\n markers.push(text)\n break\n }\n }\n }\n }\n return markers\n}\n\n/**\n * Swap the child nodes of two elements\n *\n * @param source - Source element\n * @param target - Target element\n */\nfunction swap(source: HTMLElement, target: HTMLElement): void {\n target.append(...Array.from(source.childNodes))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount annotation list\n *\n * This function analyzes the containing code block and checks for markers\n * referring to elements in the given annotation list. If no markers are found,\n * the list is left untouched. Otherwise, list elements are rendered as\n * annotations inside the code block.\n *\n * @param el - Annotation list element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotationList(\n el: HTMLElement, container: HTMLElement, { target$, print$ }: MountOptions\n): Observable> {\n\n /* Compute prefix for tooltip anchors */\n const parent = container.closest(\"[id]\")\n const prefix = parent?.id\n\n /* Find and replace all markers with empty annotations */\n const annotations = new Map()\n for (const marker of findAnnotationMarkers(container)) {\n const [, id] = marker.textContent!.match(/\\((\\d+)\\)/)!\n if (getOptionalElement(`li:nth-child(${id})`, el)) {\n annotations.set(id, renderAnnotation(id, prefix))\n marker.replaceWith(annotations.get(id)!)\n }\n }\n\n /* Keep list if there are no annotations to render */\n if (annotations.size === 0)\n return EMPTY\n\n /* Mount component on subscription */\n return defer(() => {\n const done$ = new Subject()\n\n /* Retrieve container pairs for swapping */\n const pairs: [HTMLElement, HTMLElement][] = []\n for (const [id, annotation] of annotations)\n pairs.push([\n getElement(\".md-typeset\", annotation),\n getElement(`li:nth-child(${id})`, el)\n ])\n\n /* Handle print mode - see https://bit.ly/3rgPdpt */\n print$\n .pipe(\n takeUntil(done$.pipe(takeLast(1)))\n )\n .subscribe(active => {\n el.hidden = !active\n\n /* Show annotations in code block or list (print) */\n for (const [inner, child] of pairs)\n if (!active)\n swap(child, inner)\n else\n swap(inner, child)\n })\n\n /* Create and return component */\n return merge(...[...annotations]\n .map(([, annotation]) => (\n mountAnnotation(annotation, container, { target$ })\n ))\n )\n .pipe(\n finalize(() => done$.complete()),\n share()\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n map,\n of,\n shareReplay,\n tap\n} from \"rxjs\"\n\nimport { watchScript } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../../_\"\n\nimport themeCSS from \"./index.css\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid diagram\n */\nexport interface Mermaid {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid instance observable\n */\nlet mermaid$: Observable\n\n/**\n * Global sequence number for diagrams\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch Mermaid script\n *\n * @returns Mermaid scripts observable\n */\nfunction fetchScripts(): Observable {\n return typeof mermaid === \"undefined\" || mermaid instanceof Element\n ? watchScript(\"https://unpkg.com/mermaid@9.1.7/dist/mermaid.min.js\")\n : of(undefined)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount Mermaid diagram\n *\n * @param el - Code block element\n *\n * @returns Mermaid diagram component observable\n */\nexport function mountMermaid(\n el: HTMLElement\n): Observable> {\n el.classList.remove(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n mermaid$ ||= fetchScripts()\n .pipe(\n tap(() => mermaid.initialize({\n startOnLoad: false,\n themeCSS,\n sequence: {\n actorFontSize: \"16px\", // Hack: mitigate https://bit.ly/3y0NEi3\n messageFontSize: \"16px\",\n noteFontSize: \"16px\"\n }\n })),\n map(() => undefined),\n shareReplay(1)\n )\n\n /* Render diagram */\n mermaid$.subscribe(() => {\n el.classList.add(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n const id = `__mermaid_${sequence++}`\n const host = h(\"div\", { class: \"mermaid\" })\n mermaid.mermaidAPI.render(id, el.textContent, (svg: string) => {\n\n /* Create a shadow root and inject diagram */\n const shadow = host.attachShadow({ mode: \"closed\" })\n shadow.innerHTML = svg\n\n /* Replace code block with diagram */\n el.replaceWith(host)\n })\n })\n\n /* Create and return component */\n return mermaid$\n .pipe(\n map(() => ({ ref: el }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n defer,\n filter,\n finalize,\n map,\n merge,\n tap\n} from \"rxjs\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Details\n */\nexport interface Details {\n action: \"open\" | \"close\" /* Details state */\n reveal?: boolean /* Details is revealed */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch details\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details observable\n */\nexport function watchDetails(\n el: HTMLDetailsElement, { target$, print$ }: WatchOptions\n): Observable
    {\n let open = true\n return merge(\n\n /* Open and focus details on location target */\n target$\n .pipe(\n map(target => target.closest(\"details:not([open])\")!),\n filter(details => el === details),\n map(() => ({\n action: \"open\", reveal: true\n }) as Details)\n ),\n\n /* Open details on print and close afterwards */\n print$\n .pipe(\n filter(active => active || !open),\n tap(() => open = el.open),\n map(active => ({\n action: active ? \"open\" : \"close\"\n }) as Details)\n )\n )\n}\n\n/**\n * Mount details\n *\n * This function ensures that `details` tags are opened on anchor jumps and\n * prior to printing, so the whole content of the page is visible.\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details component observable\n */\nexport function mountDetails(\n el: HTMLDetailsElement, options: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject
    ()\n push$.subscribe(({ action, reveal }) => {\n el.toggleAttribute(\"open\", action === \"open\")\n if (reveal)\n el.scrollIntoView()\n })\n\n /* Create and return component */\n return watchDetails(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, of } from \"rxjs\"\n\nimport { renderTable } from \"~/templates\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Data table\n */\nexport interface DataTable {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Sentinel for replacement\n */\nconst sentinel = h(\"table\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount data table\n *\n * This function wraps a data table in another scrollable container, so it can\n * be smoothly scrolled on smaller screen sizes and won't break the layout.\n *\n * @param el - Data table element\n *\n * @returns Data table component observable\n */\nexport function mountDataTable(\n el: HTMLElement\n): Observable> {\n el.replaceWith(sentinel)\n sentinel.replaceWith(renderTable(el))\n\n /* Create and return component */\n return of({ ref: el })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n asyncScheduler,\n auditTime,\n combineLatest,\n defer,\n finalize,\n fromEvent,\n map,\n merge,\n skip,\n startWith,\n subscribeOn,\n takeLast,\n takeUntil,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n getElement,\n getElementContentOffset,\n getElementContentSize,\n getElementOffset,\n getElementSize,\n getElements,\n watchElementContentOffset,\n watchElementSize\n} from \"~/browser\"\nimport { renderTabbedControl } from \"~/templates\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content tabs\n */\nexport interface ContentTabs {\n active: HTMLLabelElement /* Active tab label */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch content tabs\n *\n * @param el - Content tabs element\n *\n * @returns Content tabs observable\n */\nexport function watchContentTabs(\n el: HTMLElement\n): Observable {\n const inputs = getElements(\":scope > input\", el)\n const initial = inputs.find(input => input.checked) || inputs[0]\n return merge(...inputs.map(input => fromEvent(input, \"change\")\n .pipe(\n map(() => getElement(`label[for=\"${input.id}\"]`))\n )\n ))\n .pipe(\n startWith(getElement(`label[for=\"${initial.id}\"]`)),\n map(active => ({ active }))\n )\n}\n\n/**\n * Mount content tabs\n *\n * This function scrolls the active tab into view. While this functionality is\n * provided by browsers as part of `scrollInfoView`, browsers will always also\n * scroll the vertical axis, which we do not want. Thus, we decided to provide\n * this functionality ourselves.\n *\n * @param el - Content tabs element\n * @param options - Options\n *\n * @returns Content tabs component observable\n */\nexport function mountContentTabs(\n el: HTMLElement, { viewport$ }: MountOptions\n): Observable> {\n\n /* Render content tab previous button for pagination */\n const prev = renderTabbedControl(\"prev\")\n el.append(prev)\n\n /* Render content tab next button for pagination */\n const next = renderTabbedControl(\"next\")\n el.append(next)\n\n /* Mount component on subscription */\n const container = getElement(\".tabbed-labels\", el)\n return defer(() => {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n combineLatest([push$, watchElementSize(el)])\n .pipe(\n auditTime(1, animationFrameScheduler),\n takeUntil(done$)\n )\n .subscribe({\n\n /* Handle emission */\n next([{ active }, size]) {\n const offset = getElementOffset(active)\n const { width } = getElementSize(active)\n\n /* Set tab indicator offset and width */\n el.style.setProperty(\"--md-indicator-x\", `${offset.x}px`)\n el.style.setProperty(\"--md-indicator-width\", `${width}px`)\n\n /* Scroll container to active content tab */\n const content = getElementContentOffset(container)\n if (\n offset.x < content.x ||\n offset.x + width > content.x + size.width\n )\n container.scrollTo({\n left: Math.max(0, offset.x - 16),\n behavior: \"smooth\"\n })\n },\n\n /* Handle complete */\n complete() {\n el.style.removeProperty(\"--md-indicator-x\")\n el.style.removeProperty(\"--md-indicator-width\")\n }\n })\n\n /* Hide content tab buttons on borders */\n combineLatest([\n watchElementContentOffset(container),\n watchElementSize(container)\n ])\n .pipe(\n takeUntil(done$)\n )\n .subscribe(([offset, size]) => {\n const content = getElementContentSize(container)\n prev.hidden = offset.x < 16\n next.hidden = offset.x > content.width - size.width - 16\n })\n\n /* Paginate content tab container on click */\n merge(\n fromEvent(prev, \"click\").pipe(map(() => -1)),\n fromEvent(next, \"click\").pipe(map(() => +1))\n )\n .pipe(\n takeUntil(done$)\n )\n .subscribe(direction => {\n const { width } = getElementSize(container)\n container.scrollBy({\n left: width * direction,\n behavior: \"smooth\"\n })\n })\n\n /* Set up linking of content tabs, if enabled */\n if (feature(\"content.tabs.link\"))\n push$.pipe(\n skip(1),\n withLatestFrom(viewport$)\n )\n .subscribe(([{ active }, { offset }]) => {\n const tab = active.innerText.trim()\n if (active.hasAttribute(\"data-md-switching\")) {\n active.removeAttribute(\"data-md-switching\")\n\n /* Determine viewport offset of active tab */\n } else {\n const y = el.offsetTop - offset.y\n\n /* Passively activate other tabs */\n for (const set of getElements(\"[data-tabs]\"))\n for (const input of getElements(\n \":scope > input\", set\n )) {\n const label = getElement(`label[for=\"${input.id}\"]`)\n if (\n label !== active &&\n label.innerText.trim() === tab\n ) {\n label.setAttribute(\"data-md-switching\", \"\")\n input.click()\n break\n }\n }\n\n /* Bring active tab into view */\n window.scrollTo({\n top: el.offsetTop - y\n })\n\n /* Persist active tabs in local storage */\n const tabs = __md_get(\"__tabs\") || []\n __md_set(\"__tabs\", [...new Set([tab, ...tabs])])\n }\n })\n\n /* Create and return component */\n return watchContentTabs(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n .pipe(\n subscribeOn(asyncScheduler)\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, merge } from \"rxjs\"\n\nimport { Viewport, getElements } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Annotation } from \"../annotation\"\nimport {\n CodeBlock,\n Mermaid,\n mountCodeBlock,\n mountMermaid\n} from \"../code\"\nimport {\n Details,\n mountDetails\n} from \"../details\"\nimport {\n DataTable,\n mountDataTable\n} from \"../table\"\nimport {\n ContentTabs,\n mountContentTabs\n} from \"../tabs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content\n */\nexport type Content =\n | Annotation\n | ContentTabs\n | CodeBlock\n | Mermaid\n | DataTable\n | Details\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n target$: Observable /* Location target observable */\n print$: Observable /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount content\n *\n * This function mounts all components that are found in the content of the\n * actual article, including code blocks, data tables and details.\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Content component observable\n */\nexport function mountContent(\n el: HTMLElement, { viewport$, target$, print$ }: MountOptions\n): Observable> {\n return merge(\n\n /* Code blocks */\n ...getElements(\"pre:not(.mermaid) > code\", el)\n .map(child => mountCodeBlock(child, { target$, print$ })),\n\n /* Mermaid diagrams */\n ...getElements(\"pre.mermaid\", el)\n .map(child => mountMermaid(child)),\n\n /* Data tables */\n ...getElements(\"table:not([class])\", el)\n .map(child => mountDataTable(child)),\n\n /* Details */\n ...getElements(\"details\", el)\n .map(child => mountDetails(child, { target$, print$ })),\n\n /* Content tabs */\n ...getElements(\"[data-tabs]\", el)\n .map(child => mountContentTabs(child, { viewport$ }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n defer,\n delay,\n finalize,\n map,\n merge,\n of,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dialog\n */\nexport interface Dialog {\n message: string /* Dialog message */\n active: boolean /* Dialog is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n alert$: Subject /* Alert subject */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n alert$: Subject /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch dialog\n *\n * @param _el - Dialog element\n * @param options - Options\n *\n * @returns Dialog observable\n */\nexport function watchDialog(\n _el: HTMLElement, { alert$ }: WatchOptions\n): Observable {\n return alert$\n .pipe(\n switchMap(message => merge(\n of(true),\n of(false).pipe(delay(2000))\n )\n .pipe(\n map(active => ({ message, active }))\n )\n )\n )\n}\n\n/**\n * Mount dialog\n *\n * This function reveals the dialog in the right corner when a new alert is\n * emitted through the subject that is passed as part of the options.\n *\n * @param el - Dialog element\n * @param options - Options\n *\n * @returns Dialog component observable\n */\nexport function mountDialog(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const inner = getElement(\".md-typeset\", el)\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ message, active }) => {\n el.classList.toggle(\"md-dialog--active\", active)\n inner.textContent = message\n })\n\n /* Create and return component */\n return watchDialog(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n combineLatest,\n combineLatestWith,\n defer,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n map,\n of,\n shareReplay,\n startWith,\n switchMap,\n takeLast,\n takeUntil\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n watchElementSize,\n watchToggle\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Main } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n height: number /* Header visible height */\n hidden: boolean /* Header is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute whether the header is hidden\n *\n * If the user scrolls past a certain threshold, the header can be hidden when\n * scrolling down, and shown when scrolling up.\n *\n * @param options - Options\n *\n * @returns Toggle observable\n */\nfunction isHidden({ viewport$ }: WatchOptions): Observable {\n if (!feature(\"header.autohide\"))\n return of(false)\n\n /* Compute direction and turning point */\n const direction$ = viewport$\n .pipe(\n map(({ offset: { y } }) => y),\n bufferCount(2, 1),\n map(([a, b]) => [a < b, b] as const),\n distinctUntilKeyChanged(0)\n )\n\n /* Compute whether header should be hidden */\n const hidden$ = combineLatest([viewport$, direction$])\n .pipe(\n filter(([{ offset }, [, y]]) => Math.abs(y - offset.y) > 100),\n map(([, [direction]]) => direction),\n distinctUntilChanged()\n )\n\n /* Compute threshold for hiding */\n const search$ = watchToggle(\"search\")\n return combineLatest([viewport$, search$])\n .pipe(\n map(([{ offset }, search]) => offset.y > 400 && !search),\n distinctUntilChanged(),\n switchMap(active => active ? hidden$ : of(false)),\n startWith(false)\n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header observable\n */\nexport function watchHeader(\n el: HTMLElement, options: WatchOptions\n): Observable
    {\n return defer(() => combineLatest([\n watchElementSize(el),\n isHidden(options)\n ]))\n .pipe(\n map(([{ height }, hidden]) => ({\n height,\n hidden\n })),\n distinctUntilChanged((a, b) => (\n a.height === b.height &&\n a.hidden === b.hidden\n )),\n shareReplay(1)\n )\n}\n\n/**\n * Mount header\n *\n * This function manages the different states of the header, i.e. whether it's\n * hidden or rendered with a shadow. This depends heavily on the main area.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header component observable\n */\nexport function mountHeader(\n el: HTMLElement, { header$, main$ }: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject
    ()\n const done$ = push$.pipe(takeLast(1))\n push$\n .pipe(\n distinctUntilKeyChanged(\"active\"),\n combineLatestWith(header$)\n )\n .subscribe(([{ active }, { hidden }]) => {\n el.classList.toggle(\"md-header--shadow\", active && !hidden)\n el.hidden = hidden\n })\n\n /* Link to main area */\n main$.subscribe(push$)\n\n /* Create and return component */\n return header$\n .pipe(\n takeUntil(done$),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n defer,\n distinctUntilKeyChanged,\n finalize,\n map,\n tap\n} from \"rxjs\"\n\nimport {\n Viewport,\n getElementSize,\n getOptionalElement,\n watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Header } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface HeaderTitle {\n active: boolean /* Header title is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header title\n *\n * @param el - Heading element\n * @param options - Options\n *\n * @returns Header title observable\n */\nexport function watchHeaderTitle(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n return watchViewportAt(el, { viewport$, header$ })\n .pipe(\n map(({ offset: { y } }) => {\n const { height } = getElementSize(el)\n return {\n active: y >= height\n }\n }),\n distinctUntilKeyChanged(\"active\")\n )\n}\n\n/**\n * Mount header title\n *\n * This function swaps the header title from the site title to the title of the\n * current page when the user scrolls past the first headline.\n *\n * @param el - Header title element\n * @param options - Options\n *\n * @returns Header title component observable\n */\nexport function mountHeaderTitle(\n el: HTMLElement, options: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ active }) => {\n el.classList.toggle(\"md-header__title--active\", active)\n })\n\n /* Obtain headline, if any */\n const heading = getOptionalElement(\"article h1\")\n if (typeof heading === \"undefined\")\n return EMPTY\n\n /* Create and return component */\n return watchHeaderTitle(heading, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n map,\n switchMap\n} from \"rxjs\"\n\nimport {\n Viewport,\n watchElementSize\n} from \"~/browser\"\n\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n offset: number /* Main area top offset */\n height: number /* Main area visible height */\n active: boolean /* Main area is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @returns Main area observable\n */\nexport function watchMain(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable
    {\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n map(({ height }) => height),\n distinctUntilChanged()\n )\n\n /* Compute the main area's top and bottom borders */\n const border$ = adjust$\n .pipe(\n switchMap(() => watchElementSize(el)\n .pipe(\n map(({ height }) => ({\n top: el.offsetTop,\n bottom: el.offsetTop + height\n })),\n distinctUntilKeyChanged(\"bottom\")\n )\n )\n )\n\n /* Compute the main area's offset, visible height and if we scrolled past */\n return combineLatest([adjust$, border$, viewport$])\n .pipe(\n map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n height = Math.max(0, height\n - Math.max(0, top - y, header)\n - Math.max(0, height + y - bottom)\n )\n return {\n offset: top - header,\n height,\n active: top - header <= y\n }\n }),\n distinctUntilChanged((a, b) => (\n a.offset === b.offset &&\n a.height === b.height &&\n a.active === b.active\n ))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n asyncScheduler,\n defer,\n finalize,\n fromEvent,\n map,\n mergeMap,\n observeOn,\n of,\n shareReplay,\n startWith,\n tap\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Palette colors\n */\nexport interface PaletteColor {\n scheme?: string /* Color scheme */\n primary?: string /* Primary color */\n accent?: string /* Accent color */\n}\n\n/**\n * Palette\n */\nexport interface Palette {\n index: number /* Palette index */\n color: PaletteColor /* Palette colors */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch color palette\n *\n * @param inputs - Color palette element\n *\n * @returns Color palette observable\n */\nexport function watchPalette(\n inputs: HTMLInputElement[]\n): Observable {\n const current = __md_get(\"__palette\") || {\n index: inputs.findIndex(input => matchMedia(\n input.getAttribute(\"data-md-color-media\")!\n ).matches)\n }\n\n /* Emit changes in color palette */\n return of(...inputs)\n .pipe(\n mergeMap(input => fromEvent(input, \"change\")\n .pipe(\n map(() => input)\n )\n ),\n startWith(inputs[Math.max(0, current.index)]),\n map(input => ({\n index: inputs.indexOf(input),\n color: {\n scheme: input.getAttribute(\"data-md-color-scheme\"),\n primary: input.getAttribute(\"data-md-color-primary\"),\n accent: input.getAttribute(\"data-md-color-accent\")\n }\n } as Palette)),\n shareReplay(1)\n )\n}\n\n/**\n * Mount color palette\n *\n * @param el - Color palette element\n *\n * @returns Color palette component observable\n */\nexport function mountPalette(\n el: HTMLElement\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(palette => {\n document.body.setAttribute(\"data-md-color-switching\", \"\")\n\n /* Set color palette */\n for (const [key, value] of Object.entries(palette.color))\n document.body.setAttribute(`data-md-color-${key}`, value)\n\n /* Toggle visibility */\n for (let index = 0; index < inputs.length; index++) {\n const label = inputs[index].nextElementSibling\n if (label instanceof HTMLElement)\n label.hidden = palette.index !== index\n }\n\n /* Persist preference in local storage */\n __md_set(\"__palette\", palette)\n })\n\n /* Revert transition durations after color switch */\n push$.pipe(observeOn(asyncScheduler))\n .subscribe(() => {\n document.body.removeAttribute(\"data-md-color-switching\")\n })\n\n /* Create and return component */\n const inputs = getElements(\"input\", el)\n return watchPalette(inputs)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n Observable,\n Subject,\n map,\n tap\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n alert$: Subject /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Extract text to copy\n *\n * @param el - HTML element\n *\n * @returns Extracted text\n */\nfunction extract(el: HTMLElement): string {\n el.setAttribute(\"data-md-copying\", \"\")\n const text = el.innerText\n el.removeAttribute(\"data-md-copying\")\n return text\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up Clipboard.js integration\n *\n * @param options - Options\n */\nexport function setupClipboardJS(\n { alert$ }: SetupOptions\n): void {\n if (ClipboardJS.isSupported()) {\n new Observable(subscriber => {\n new ClipboardJS(\"[data-clipboard-target], [data-clipboard-text]\", {\n text: el => (\n el.getAttribute(\"data-clipboard-text\")! ||\n extract(getElement(\n el.getAttribute(\"data-clipboard-target\")!\n ))\n )\n })\n .on(\"success\", ev => subscriber.next(ev))\n })\n .pipe(\n tap(ev => {\n const trigger = ev.trigger as HTMLElement\n trigger.focus()\n }),\n map(() => translation(\"clipboard.copied\"))\n )\n .subscribe(alert$)\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n catchError,\n defaultIfEmpty,\n map,\n of,\n tap\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport { getElements, requestXML } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sitemap, i.e. a list of URLs\n */\nexport type Sitemap = string[]\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Preprocess a list of URLs\n *\n * This function replaces the `site_url` in the sitemap with the actual base\n * URL, to allow instant loading to work in occasions like Netlify previews.\n *\n * @param urls - URLs\n *\n * @returns URL path parts\n */\nfunction preprocess(urls: Sitemap): Sitemap {\n if (urls.length < 2)\n return [\"\"]\n\n /* Take the first two URLs and remove everything after the last slash */\n const [root, next] = [...urls]\n .sort((a, b) => a.length - b.length)\n .map(url => url.replace(/[^/]+$/, \"\"))\n\n /* Compute common prefix */\n let index = 0\n if (root === next)\n index = root.length\n else\n while (root.charCodeAt(index) === next.charCodeAt(index))\n index++\n\n /* Remove common prefix and return in original order */\n return urls.map(url => url.replace(root.slice(0, index), \"\"))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the sitemap for the given base URL\n *\n * @param base - Base URL\n *\n * @returns Sitemap observable\n */\nexport function fetchSitemap(base?: URL): Observable {\n const cached = __md_get(\"__sitemap\", sessionStorage, base)\n if (cached) {\n return of(cached)\n } else {\n const config = configuration()\n return requestXML(new URL(\"sitemap.xml\", base || config.base))\n .pipe(\n map(sitemap => preprocess(getElements(\"loc\", sitemap)\n .map(node => node.textContent!)\n )),\n catchError(() => EMPTY), // @todo refactor instant loading\n defaultIfEmpty([]),\n tap(sitemap => __md_set(\"__sitemap\", sitemap, sessionStorage, base))\n )\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n bufferCount,\n catchError,\n concatMap,\n debounceTime,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n fromEvent,\n map,\n merge,\n of,\n sample,\n share,\n skip,\n skipUntil,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"~/_\"\nimport {\n Viewport,\n ViewportOffset,\n getElements,\n getOptionalElement,\n request,\n setLocation,\n setLocationHash\n} from \"~/browser\"\nimport { getComponentElement } from \"~/components\"\nimport { h } from \"~/utilities\"\n\nimport { fetchSitemap } from \"../sitemap\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * History state\n */\nexport interface HistoryState {\n url: URL /* State URL */\n offset?: ViewportOffset /* State viewport offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n document$: Subject /* Document subject */\n location$: Subject /* Location subject */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant loading\n *\n * When fetching, theoretically, we could use `responseType: \"document\"`, but\n * since all MkDocs links are relative, we need to make sure that the current\n * location matches the document we just loaded. Otherwise any relative links\n * in the document could use the old location.\n *\n * This is the reason why we need to synchronize history events and the process\n * of fetching the document for navigation changes (except `popstate` events):\n *\n * 1. Fetch document via `XMLHTTPRequest`\n * 2. Set new location via `history.pushState`\n * 3. Parse and emit fetched document\n *\n * For `popstate` events, we must not use `history.pushState`, or the forward\n * history will be irreversibly overwritten. In case the request fails, the\n * location change is dispatched regularly.\n *\n * @param options - Options\n */\nexport function setupInstantLoading(\n { document$, location$, viewport$ }: SetupOptions\n): void {\n const config = configuration()\n if (location.protocol === \"file:\")\n return\n\n /* Disable automatic scroll restoration */\n if (\"scrollRestoration\" in history) {\n history.scrollRestoration = \"manual\"\n\n /* Hack: ensure that reloads restore viewport offset */\n fromEvent(window, \"beforeunload\")\n .subscribe(() => {\n history.scrollRestoration = \"auto\"\n })\n }\n\n /* Hack: ensure absolute favicon link to omit 404s when switching */\n const favicon = getOptionalElement(\"link[rel=icon]\")\n if (typeof favicon !== \"undefined\")\n favicon.href = favicon.href\n\n /* Intercept internal navigation */\n const push$ = fetchSitemap()\n .pipe(\n map(paths => paths.map(path => `${new URL(path, config.base)}`)),\n switchMap(urls => fromEvent(document.body, \"click\")\n .pipe(\n filter(ev => !ev.metaKey && !ev.ctrlKey),\n switchMap(ev => {\n if (ev.target instanceof Element) {\n const el = ev.target.closest(\"a\")\n if (el && !el.target) {\n const url = new URL(el.href)\n\n /* Canonicalize URL */\n url.search = \"\"\n url.hash = \"\"\n\n /* Check if URL should be intercepted */\n if (\n url.pathname !== location.pathname &&\n urls.includes(url.toString())\n ) {\n ev.preventDefault()\n return of({\n url: new URL(el.href)\n })\n }\n }\n }\n return NEVER\n })\n )\n ),\n share()\n )\n\n /* Intercept history back and forward */\n const pop$ = fromEvent(window, \"popstate\")\n .pipe(\n filter(ev => ev.state !== null),\n map(ev => ({\n url: new URL(location.href),\n offset: ev.state\n })),\n share()\n )\n\n /* Emit location change */\n merge(push$, pop$)\n .pipe(\n distinctUntilChanged((a, b) => a.url.href === b.url.href),\n map(({ url }) => url)\n )\n .subscribe(location$)\n\n /* Fetch document via `XMLHTTPRequest` */\n const response$ = location$\n .pipe(\n distinctUntilKeyChanged(\"pathname\"),\n switchMap(url => request(url.href)\n .pipe(\n catchError(() => {\n setLocation(url)\n return NEVER\n })\n )\n ),\n share()\n )\n\n /* Set new location via `history.pushState` */\n push$\n .pipe(\n sample(response$)\n )\n .subscribe(({ url }) => {\n history.pushState({}, \"\", `${url}`)\n })\n\n /* Parse and emit fetched document */\n const dom = new DOMParser()\n response$\n .pipe(\n switchMap(res => res.text()),\n map(res => dom.parseFromString(res, \"text/html\"))\n )\n .subscribe(document$)\n\n /* Replace meta tags and components */\n document$\n .pipe(\n skip(1)\n )\n .subscribe(replacement => {\n for (const selector of [\n\n /* Meta tags */\n \"title\",\n \"link[rel=canonical]\",\n \"meta[name=author]\",\n \"meta[name=description]\",\n\n /* Components */\n \"[data-md-component=announce]\",\n \"[data-md-component=container]\",\n \"[data-md-component=header-topic]\",\n \"[data-md-component=outdated]\",\n \"[data-md-component=logo]\",\n \"[data-md-component=skip]\",\n ...feature(\"navigation.tabs.sticky\")\n ? [\"[data-md-component=tabs]\"]\n : []\n ]) {\n const source = getOptionalElement(selector)\n const target = getOptionalElement(selector, replacement)\n if (\n typeof source !== \"undefined\" &&\n typeof target !== \"undefined\"\n ) {\n source.replaceWith(target)\n }\n }\n })\n\n /* Re-evaluate scripts */\n document$\n .pipe(\n skip(1),\n map(() => getComponentElement(\"container\")),\n switchMap(el => getElements(\"script\", el)),\n concatMap(el => {\n const script = h(\"script\")\n if (el.src) {\n for (const name of el.getAttributeNames())\n script.setAttribute(name, el.getAttribute(name)!)\n el.replaceWith(script)\n\n /* Complete when script is loaded */\n return new Observable(observer => {\n script.onload = () => observer.complete()\n })\n\n /* Complete immediately */\n } else {\n script.textContent = el.textContent\n el.replaceWith(script)\n return EMPTY\n }\n })\n )\n .subscribe()\n\n /* Emit history state change */\n merge(push$, pop$)\n .pipe(\n sample(document$)\n )\n .subscribe(({ url, offset }) => {\n if (url.hash && !offset) {\n setLocationHash(url.hash)\n } else {\n window.scrollTo(0, offset?.y || 0)\n }\n })\n\n /* Debounce update of viewport offset */\n viewport$\n .pipe(\n skipUntil(push$),\n debounceTime(250),\n distinctUntilKeyChanged(\"offset\")\n )\n .subscribe(({ offset }) => {\n history.replaceState(offset, \"\")\n })\n\n /* Set viewport offset from history */\n merge(push$, pop$)\n .pipe(\n bufferCount(2, 1),\n filter(([a, b]) => a.url.pathname === b.url.pathname),\n map(([, state]) => state)\n )\n .subscribe(({ offset }) => {\n window.scrollTo(0, offset?.y || 0)\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n parent?: SearchIndexDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n const parents = new Set()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location, title and tags */\n const location = doc.location\n const title = doc.title\n const tags = doc.tags\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path)!\n\n /* Ignore first section, override article */\n if (!parents.has(parent)) {\n parent.title = doc.title\n parent.text = text\n\n /* Remember that we processed the article */\n parents.add(parent)\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n ...tags && { tags }\n })\n }\n }\n return documents\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexConfig } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n * @param escape - Whether to escape HTML\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig, escape: boolean\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (query: string) => {\n query = query\n .replace(/[\\s*+\\-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n query\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight string value */\n return value => (\n escape\n ? escapeHTML(value)\n : value\n )\n .replace(match, highlight)\n .replace(/<\\/mark>(\\s+)]*>/img, \"$1\")\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search transformation function\n *\n * @param value - Query value\n *\n * @returns Transformed query value\n */\nexport type SearchTransformFn = (value: string) => string\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * 1. Search for terms in quotation marks and prepend a `+` modifier to denote\n * that the resulting document must contain all terms, converting the query\n * to an `AND` query (as opposed to the default `OR` behavior). While users\n * may expect terms enclosed in quotation marks to map to span queries, i.e.\n * for which order is important, Lunr.js doesn't support them, so the best\n * we can do is to convert the terms to an `AND` query.\n *\n * 2. Replace control characters which are not located at the beginning of the\n * query or preceded by white space, or are not followed by a non-whitespace\n * character or are at the end of the query string. Furthermore, filter\n * unmatched quotation marks.\n *\n * 3. Trim excess whitespace from left and right.\n *\n * @param query - Query value\n *\n * @returns Transformed query value\n */\nexport function defaultTransform(query: string): string {\n return query\n .split(/\"([^\"]+)\"/g) /* => 1 */\n .map((terms, index) => index & 1\n ? terms.replace(/^\\b|^(?![^\\x00-\\x7F]|$)|\\s+/g, \" +\")\n : terms\n )\n .join(\"\")\n .replace(/\"|(?:^|\\s+)[*+\\-:^~]+(?=\\s+|$)/g, \"\") /* => 2 */\n .trim() /* => 3 */\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n READY, /* Search index ready */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndex /* Message data */\n}\n\n/**\n * Message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n type: SearchMessageType.READY /* Message type */\n}\n\n/**\n * Message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * Message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchReadyMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n message: SearchMessage\n): message is SearchReadyMessage {\n return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n ObservableInput,\n Subject,\n from,\n map,\n share\n} from \"rxjs\"\n\nimport { configuration, feature, translation } from \"~/_\"\nimport { WorkerHandler, watchWorker } from \"~/browser\"\n\nimport { SearchIndex } from \"../../_\"\nimport {\n SearchOptions,\n SearchPipeline\n} from \"../../options\"\nimport {\n SearchMessage,\n SearchMessageType,\n SearchSetupMessage,\n isSearchResultMessage\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search worker\n */\nexport type SearchWorker = WorkerHandler\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search index\n *\n * @param data - Search index\n *\n * @returns Search index\n */\nfunction setupSearchIndex({ config, docs }: SearchIndex): SearchIndex {\n\n /* Override default language with value from translation */\n if (config.lang.length === 1 && config.lang[0] === \"en\")\n config.lang = [\n translation(\"search.config.lang\")\n ]\n\n /* Override default separator with value from translation */\n if (config.separator === \"[\\\\s\\\\-]+\")\n config.separator = translation(\"search.config.separator\")\n\n /* Set pipeline from translation */\n const pipeline = translation(\"search.config.pipeline\")\n .split(/\\s*,\\s*/)\n .filter(Boolean) as SearchPipeline\n\n /* Determine search options */\n const options: SearchOptions = {\n pipeline,\n suggestions: feature(\"search.suggest\")\n }\n\n /* Return search index after defaulting */\n return { config, docs, options }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search worker\n *\n * This function creates a web worker to set up and query the search index,\n * which is done using Lunr.js. The index must be passed as an observable to\n * enable hacks like _localsearch_ via search index embedding as JSON.\n *\n * @param url - Worker URL\n * @param index - Search index observable input\n *\n * @returns Search worker\n */\nexport function setupSearchWorker(\n url: string, index: ObservableInput\n): SearchWorker {\n const config = configuration()\n const worker = new Worker(url)\n\n /* Create communication channels and resolve relative links */\n const tx$ = new Subject()\n const rx$ = watchWorker(worker, { tx$ })\n .pipe(\n map(message => {\n if (isSearchResultMessage(message)) {\n for (const result of message.data.items)\n for (const document of result)\n document.location = `${new URL(document.location, config.base)}`\n }\n return message\n }),\n share()\n )\n\n /* Set up search index */\n from(index)\n .pipe(\n map(data => ({\n type: SearchMessageType.SETUP,\n data: setupSearchIndex(data)\n } as SearchSetupMessage))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Return search worker */\n return { tx$, rx$ }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Subject,\n catchError,\n combineLatest,\n filter,\n fromEvent,\n map,\n of,\n switchMap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n getElement,\n getLocation,\n requestJSON,\n setLocation\n} from \"~/browser\"\nimport { getComponentElements } from \"~/components\"\nimport {\n Version,\n renderVersionSelector\n} from \"~/templates\"\n\nimport { fetchSitemap } from \"../sitemap\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n document$: Subject /* Document subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up version selector\n *\n * @param options - Options\n */\nexport function setupVersionSelector(\n { document$ }: SetupOptions\n): void {\n const config = configuration()\n const versions$ = requestJSON(\n new URL(\"../versions.json\", config.base)\n )\n .pipe(\n catchError(() => EMPTY) // @todo refactor instant loading\n )\n\n /* Determine current version */\n const current$ = versions$\n .pipe(\n map(versions => {\n const [, current] = config.base.match(/([^/]+)\\/?$/)!\n return versions.find(({ version, aliases }) => (\n version === current || aliases.includes(current)\n )) || versions[0]\n })\n )\n\n /* Intercept inter-version navigation */\n versions$\n .pipe(\n map(versions => new Map(versions.map(version => [\n `${new URL(`../${version.version}/`, config.base)}`,\n version\n ]))),\n switchMap(urls => fromEvent(document.body, \"click\")\n .pipe(\n filter(ev => !ev.metaKey && !ev.ctrlKey),\n withLatestFrom(current$),\n switchMap(([ev, current]) => {\n if (ev.target instanceof Element) {\n const el = ev.target.closest(\"a\")\n if (el && !el.target && urls.has(el.href)) {\n const url = el.href\n // This is a temporary hack to detect if a version inside the\n // version selector or on another part of the site was clicked.\n // If we're inside the version selector, we definitely want to\n // find the same page, as we might have different deployments\n // due to aliases. However, if we're outside the version\n // selector, we must abort here, because we might otherwise\n // interfere with instant loading. We need to refactor this\n // at some point together with instant loading.\n //\n // See https://github.com/squidfunk/mkdocs-material/issues/4012\n if (!ev.target.closest(\".md-version\")) {\n const version = urls.get(url)!\n if (version === current)\n return EMPTY\n }\n ev.preventDefault()\n return of(url)\n }\n }\n return EMPTY\n }),\n switchMap(url => {\n const { version } = urls.get(url)!\n return fetchSitemap(new URL(url))\n .pipe(\n map(sitemap => {\n const location = getLocation()\n const path = location.href.replace(config.base, \"\")\n return sitemap.includes(path.split(\"#\")[0])\n ? new URL(`../${version}/${path}`, config.base)\n : new URL(url)\n })\n )\n })\n )\n )\n )\n .subscribe(url => setLocation(url))\n\n /* Render version selector and warning */\n combineLatest([versions$, current$])\n .subscribe(([versions, current]) => {\n const topic = getElement(\".md-header__topic\")\n topic.appendChild(renderVersionSelector(versions, current))\n })\n\n /* Integrate outdated version banner with instant loading */\n document$.pipe(switchMap(() => current$))\n .subscribe(current => {\n\n /* Check if version state was already determined */\n let outdated = __md_get(\"__outdated\", sessionStorage)\n if (outdated === null) {\n const latest = config.version?.default || \"latest\"\n outdated = !current.aliases.includes(latest)\n\n /* Persist version state in session storage */\n __md_set(\"__outdated\", outdated, sessionStorage)\n }\n\n /* Unhide outdated version banner */\n if (outdated)\n for (const warning of getComponentElements(\"outdated\"))\n warning.hidden = false\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n combineLatest,\n delay,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n finalize,\n fromEvent,\n map,\n merge,\n share,\n shareReplay,\n startWith,\n take,\n takeLast,\n takeUntil,\n tap\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport {\n getLocation,\n setToggle,\n watchElementFocus,\n watchToggle\n} from \"~/browser\"\nimport {\n SearchMessageType,\n SearchQueryMessage,\n SearchWorker,\n defaultTransform,\n isSearchReadyMessage\n} from \"~/integrations\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n value: string /* Query value */\n focus: boolean /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { rx$ }: SearchWorker\n): Observable {\n const fn = __search?.transform || defaultTransform\n\n /* Immediately show search dialog */\n const { searchParams } = getLocation()\n if (searchParams.has(\"q\"))\n setToggle(\"search\", true)\n\n /* Intercept query parameter (deep link) */\n const param$ = rx$\n .pipe(\n filter(isSearchReadyMessage),\n take(1),\n map(() => searchParams.get(\"q\") || \"\")\n )\n\n /* Remove query parameter when search is closed */\n watchToggle(\"search\")\n .pipe(\n filter(active => !active),\n take(1)\n )\n .subscribe(() => {\n const url = new URL(location.href)\n url.searchParams.delete(\"q\")\n history.replaceState({}, \"\", `${url}`)\n })\n\n /* Set query from parameter */\n param$.subscribe(value => { // TODO: not ideal - find a better way\n if (value) {\n el.value = value\n el.focus()\n }\n })\n\n /* Intercept focus and input events */\n const focus$ = watchElementFocus(el)\n const value$ = merge(\n fromEvent(el, \"keyup\"),\n fromEvent(el, \"focus\").pipe(delay(1)),\n param$\n )\n .pipe(\n map(() => fn(el.value)),\n startWith(\"\"),\n distinctUntilChanged(),\n )\n\n /* Combine into single observable */\n return combineLatest([value$, focus$])\n .pipe(\n map(([value, focus]) => ({ value, focus })),\n shareReplay(1)\n )\n}\n\n/**\n * Mount search query\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query component observable\n */\nexport function mountSearchQuery(\n el: HTMLInputElement, { tx$, rx$ }: SearchWorker\n): Observable> {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n\n /* Handle value changes */\n push$\n .pipe(\n distinctUntilKeyChanged(\"value\"),\n map(({ value }): SearchQueryMessage => ({\n type: SearchMessageType.QUERY,\n data: value\n }))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Handle focus changes */\n push$\n .pipe(\n distinctUntilKeyChanged(\"focus\")\n )\n .subscribe(({ focus }) => {\n if (focus) {\n setToggle(\"search\", focus)\n el.placeholder = \"\"\n } else {\n el.placeholder = translation(\"search.placeholder\")\n }\n })\n\n /* Handle reset */\n fromEvent(el.form!, \"reset\")\n .pipe(\n takeUntil(done$)\n )\n .subscribe(() => el.focus())\n\n /* Create and return component */\n return watchSearchQuery(el, { tx$, rx$ })\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state })),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n filter,\n finalize,\n map,\n merge,\n of,\n skipUntil,\n switchMap,\n take,\n tap,\n withLatestFrom,\n zipWith\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport {\n getElement,\n watchElementBoundary\n} from \"~/browser\"\nimport {\n SearchResult,\n SearchWorker,\n isSearchReadyMessage,\n isSearchResultMessage\n} from \"~/integrations\"\nimport { renderSearchResultItem } from \"~/templates\"\nimport { round } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result list\n *\n * This function performs a lazy rendering of the search results, depending on\n * the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchResult(\n el: HTMLElement, { rx$ }: SearchWorker, { query$ }: MountOptions\n): Observable> {\n const push$ = new Subject()\n const boundary$ = watchElementBoundary(el.parentElement!)\n .pipe(\n filter(Boolean)\n )\n\n /* Retrieve nested components */\n const meta = getElement(\":scope > :first-child\", el)\n const list = getElement(\":scope > :last-child\", el)\n\n /* Wait until search is ready */\n const ready$ = rx$\n .pipe(\n filter(isSearchReadyMessage),\n take(1)\n )\n\n /* Update search result metadata */\n push$\n .pipe(\n withLatestFrom(query$),\n skipUntil(ready$)\n )\n .subscribe(([{ items }, { value }]) => {\n if (value) {\n switch (items.length) {\n\n /* No results */\n case 0:\n meta.textContent = translation(\"search.result.none\")\n break\n\n /* One result */\n case 1:\n meta.textContent = translation(\"search.result.one\")\n break\n\n /* Multiple result */\n default:\n meta.textContent = translation(\n \"search.result.other\",\n round(items.length)\n )\n }\n } else {\n meta.textContent = translation(\"search.result.placeholder\")\n }\n })\n\n /* Update search result list */\n push$\n .pipe(\n tap(() => list.innerHTML = \"\"),\n switchMap(({ items }) => merge(\n of(...items.slice(0, 10)),\n of(...items.slice(10))\n .pipe(\n bufferCount(4),\n zipWith(boundary$),\n switchMap(([chunk]) => chunk)\n )\n ))\n )\n .subscribe(result => list.appendChild(\n renderSearchResultItem(result)\n ))\n\n /* Filter search result message */\n const result$ = rx$\n .pipe(\n filter(isSearchResultMessage),\n map(({ data }) => data)\n )\n\n /* Create and return component */\n return result$\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n finalize,\n fromEvent,\n map,\n tap\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search sharing\n */\nexport interface SearchShare {\n url: URL /* Deep link for sharing */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n query$: Observable /* Search query observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search sharing\n *\n * @param _el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing observable\n */\nexport function watchSearchShare(\n _el: HTMLElement, { query$ }: WatchOptions\n): Observable {\n return query$\n .pipe(\n map(({ value }) => {\n const url = getLocation()\n url.hash = \"\"\n url.searchParams.delete(\"h\")\n url.searchParams.set(\"q\", value)\n return { url }\n })\n )\n}\n\n/**\n * Mount search sharing\n *\n * @param el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing component observable\n */\nexport function mountSearchShare(\n el: HTMLAnchorElement, options: MountOptions\n): Observable> {\n const push$ = new Subject()\n push$.subscribe(({ url }) => {\n el.setAttribute(\"data-clipboard-text\", el.href)\n el.href = `${url}`\n })\n\n /* Prevent following of link */\n fromEvent(el, \"click\")\n .subscribe(ev => ev.preventDefault())\n\n /* Create and return component */\n return watchSearchShare(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n asyncScheduler,\n combineLatestWith,\n distinctUntilChanged,\n filter,\n finalize,\n fromEvent,\n map,\n merge,\n observeOn,\n tap\n} from \"rxjs\"\n\nimport { Keyboard } from \"~/browser\"\nimport {\n SearchResult,\n SearchWorker,\n isSearchResultMessage\n} from \"~/integrations\"\n\nimport { Component, getComponentElement } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search suggestions\n */\nexport interface SearchSuggest {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n keyboard$: Observable /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search suggestions\n *\n * This function will perform a lazy rendering of the search results, depending\n * on the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchSuggest(\n el: HTMLElement, { rx$ }: SearchWorker, { keyboard$ }: MountOptions\n): Observable> {\n const push$ = new Subject()\n\n /* Retrieve query component and track all changes */\n const query = getComponentElement(\"search-query\")\n const query$ = merge(\n fromEvent(query, \"keydown\"),\n fromEvent(query, \"focus\")\n )\n .pipe(\n observeOn(asyncScheduler),\n map(() => query.value),\n distinctUntilChanged(),\n )\n\n /* Update search suggestions */\n push$\n .pipe(\n combineLatestWith(query$),\n map(([{ suggestions }, value]) => {\n const words = value.split(/([\\s-]+)/)\n if (suggestions?.length && words[words.length - 1]) {\n const last = suggestions[suggestions.length - 1]\n if (last.startsWith(words[words.length - 1]))\n words[words.length - 1] = last\n } else {\n words.length = 0\n }\n return words\n })\n )\n .subscribe(words => el.innerHTML = words\n .join(\"\")\n .replace(/\\s/g, \" \")\n )\n\n /* Set up search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Right arrow: accept current suggestion */\n case \"ArrowRight\":\n if (\n el.innerText.length &&\n query.selectionStart === query.value.length\n )\n query.value = el.innerText\n break\n }\n })\n\n /* Filter search result message */\n const result$ = rx$\n .pipe(\n filter(isSearchResultMessage),\n map(({ data }) => data)\n )\n\n /* Create and return component */\n return result$\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(() => ({ ref: el }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n NEVER,\n Observable,\n ObservableInput,\n filter,\n merge,\n mergeWith,\n sample,\n take\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n Keyboard,\n getActiveElement,\n getElements,\n setToggle\n} from \"~/browser\"\nimport {\n SearchIndex,\n SearchResult,\n isSearchQueryMessage,\n isSearchReadyMessage,\n setupSearchWorker\n} from \"~/integrations\"\n\nimport {\n Component,\n getComponentElement,\n getComponentElements\n} from \"../../_\"\nimport {\n SearchQuery,\n mountSearchQuery\n} from \"../query\"\nimport { mountSearchResult } from \"../result\"\nimport {\n SearchShare,\n mountSearchShare\n} from \"../share\"\nimport {\n SearchSuggest,\n mountSearchSuggest\n} from \"../suggest\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport type Search =\n | SearchQuery\n | SearchResult\n | SearchShare\n | SearchSuggest\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n index$: ObservableInput /* Search index observable */\n keyboard$: Observable /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search\n *\n * This function sets up the search functionality, including the underlying\n * web worker and all keyboard bindings.\n *\n * @param el - Search element\n * @param options - Options\n *\n * @returns Search component observable\n */\nexport function mountSearch(\n el: HTMLElement, { index$, keyboard$ }: MountOptions\n): Observable> {\n const config = configuration()\n try {\n const url = __search?.worker || config.search\n const worker = setupSearchWorker(url, index$)\n\n /* Retrieve query and result components */\n const query = getComponentElement(\"search-query\", el)\n const result = getComponentElement(\"search-result\", el)\n\n /* Re-emit query when search is ready */\n const { tx$, rx$ } = worker\n tx$\n .pipe(\n filter(isSearchQueryMessage),\n sample(rx$.pipe(filter(isSearchReadyMessage))),\n take(1)\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Set up search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\")\n )\n .subscribe(key => {\n const active = getActiveElement()\n switch (key.type) {\n\n /* Enter: go to first (best) result */\n case \"Enter\":\n if (active === query) {\n const anchors = new Map()\n for (const anchor of getElements(\n \":first-child [href]\", result\n )) {\n const article = anchor.firstElementChild!\n anchors.set(anchor, parseFloat(\n article.getAttribute(\"data-md-score\")!\n ))\n }\n\n /* Go to result with highest score, if any */\n if (anchors.size) {\n const [[best]] = [...anchors].sort(([, a], [, b]) => b - a)\n best.click()\n }\n\n /* Otherwise omit form submission */\n key.claim()\n }\n break\n\n /* Escape or Tab: close search */\n case \"Escape\":\n case \"Tab\":\n setToggle(\"search\", false)\n query.blur()\n break\n\n /* Vertical arrows: select previous or next search result */\n case \"ArrowUp\":\n case \"ArrowDown\":\n if (typeof active === \"undefined\") {\n query.focus()\n } else {\n const els = [query, ...getElements(\n \":not(details) > [href], summary, details[open] [href]\",\n result\n )]\n const i = Math.max(0, (\n Math.max(0, els.indexOf(active)) + els.length + (\n key.type === \"ArrowUp\" ? -1 : +1\n )\n ) % els.length)\n els[i].focus()\n }\n\n /* Prevent scrolling of page */\n key.claim()\n break\n\n /* All other keys: hand to search query */\n default:\n if (query !== getActiveElement())\n query.focus()\n }\n })\n\n /* Set up global keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\"),\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Open search and select query */\n case \"f\":\n case \"s\":\n case \"/\":\n query.focus()\n query.select()\n\n /* Prevent scrolling of page */\n key.claim()\n break\n }\n })\n\n /* Create and return component */\n const query$ = mountSearchQuery(query, worker)\n const result$ = mountSearchResult(result, worker, { query$ })\n return merge(query$, result$)\n .pipe(\n mergeWith(\n\n /* Search sharing */\n ...getComponentElements(\"search-share\", el)\n .map(child => mountSearchShare(child, { query$ })),\n\n /* Search suggestions */\n ...getComponentElements(\"search-suggest\", el)\n .map(child => mountSearchSuggest(child, worker, { keyboard$ }))\n )\n )\n\n /* Gracefully handle broken search */\n } catch (err) {\n el.hidden = true\n return NEVER\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n ObservableInput,\n combineLatest,\n filter,\n map,\n startWith\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\nimport {\n SearchIndex,\n setupSearchHighlighter\n} from \"~/integrations\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlighting\n */\nexport interface SearchHighlight {\n nodes: Map /* Map of replacements */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n index$: ObservableInput /* Search index observable */\n location$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search highlighting\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Search highlighting component observable\n */\nexport function mountSearchHiglight(\n el: HTMLElement, { index$, location$ }: MountOptions\n): Observable> {\n return combineLatest([\n index$,\n location$\n .pipe(\n startWith(getLocation()),\n filter(url => !!url.searchParams.get(\"h\"))\n )\n ])\n .pipe(\n map(([index, url]) => setupSearchHighlighter(index.config, true)(\n url.searchParams.get(\"h\")!\n )),\n map(fn => {\n const nodes = new Map()\n\n /* Traverse text nodes and collect matches */\n const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n for (let node = it.nextNode(); node; node = it.nextNode()) {\n if (node.parentElement?.offsetHeight) {\n const original = node.textContent!\n const replaced = fn(original)\n if (replaced.length > original.length)\n nodes.set(node as ChildNode, replaced)\n }\n }\n\n /* Replace original nodes with matches */\n for (const [node, text] of nodes) {\n const { childNodes } = h(\"span\", null, text)\n node.replaceWith(...Array.from(childNodes))\n }\n\n /* Return component */\n return { ref: el, nodes }\n })\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n auditTime,\n combineLatest,\n defer,\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n take,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport {\n Viewport,\n getElement,\n getElementContainer,\n getElementOffset,\n getElementSize,\n getElements\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n height: number /* Sidebar height */\n locked: boolean /* Sidebar is locked */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n main$: Observable
    /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar observable\n */\nexport function watchSidebar(\n el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable {\n const parent = el.parentElement!\n const adjust =\n parent.offsetTop -\n parent.parentElement!.offsetTop\n\n /* Compute the sidebar's available height and if it should be locked */\n return combineLatest([main$, viewport$])\n .pipe(\n map(([{ offset, height }, { offset: { y } }]) => {\n height = height\n + Math.min(adjust, Math.max(0, y - offset))\n - adjust\n return {\n height,\n locked: y >= offset + adjust\n }\n }),\n distinctUntilChanged((a, b) => (\n a.height === b.height &&\n a.locked === b.locked\n ))\n )\n}\n\n/**\n * Mount sidebar\n *\n * This function doesn't set the height of the actual sidebar, but of its first\n * child \u2013 the `.md-sidebar__scrollwrap` element in order to mitigiate jittery\n * sidebars when the footer is scrolled into view. At some point we switched\n * from `absolute` / `fixed` positioning to `sticky` positioning, significantly\n * reducing jitter in some browsers (respectively Firefox and Safari) when\n * scrolling from the top. However, top-aligned sticky positioning means that\n * the sidebar snaps to the bottom when the end of the container is reached.\n * This is what leads to the mentioned jitter, as the sidebar's height may be\n * updated too slowly.\n *\n * This behaviour can be mitigiated by setting the height of the sidebar to `0`\n * while preserving the padding, and the height on its first element.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar component observable\n */\nexport function mountSidebar(\n el: HTMLElement, { header$, ...options }: MountOptions\n): Observable> {\n const inner = getElement(\".md-sidebar__scrollwrap\", el)\n const { y } = getElementOffset(inner)\n return defer(() => {\n const push$ = new Subject()\n push$\n .pipe(\n auditTime(0, animationFrameScheduler),\n withLatestFrom(header$)\n )\n .subscribe({\n\n /* Handle emission */\n next([{ height }, { height: offset }]) {\n inner.style.height = `${height - 2 * y}px`\n el.style.top = `${offset}px`\n },\n\n /* Handle complete */\n complete() {\n inner.style.height = \"\"\n el.style.top = \"\"\n }\n })\n\n /* Bring active item into view on initial load */\n push$\n .pipe(\n observeOn(animationFrameScheduler),\n take(1)\n )\n .subscribe(() => {\n for (const item of getElements(\".md-nav__link--active[href]\", el)) {\n const container = getElementContainer(item)\n if (typeof container !== \"undefined\") {\n const offset = item.offsetTop - container.offsetTop\n const { height } = getElementSize(container)\n container.scrollTo({\n top: offset - height / 2\n })\n }\n }\n })\n\n /* Create and return component */\n return watchSidebar(el, options)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport {\n EMPTY,\n Observable,\n catchError,\n defaultIfEmpty,\n map,\n zip\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitHub release (partial)\n */\ninterface Release {\n tag_name: string /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub repository facts\n *\n * @param user - GitHub user or organization\n * @param repo - GitHub repository\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n user: string, repo?: string\n): Observable {\n if (typeof repo !== \"undefined\") {\n const url = `https://api.github.com/repos/${user}/${repo}`\n return zip(\n\n /* Fetch version */\n requestJSON(`${url}/releases/latest`)\n .pipe(\n catchError(() => EMPTY), // @todo refactor instant loading\n map(release => ({\n version: release.tag_name\n })),\n defaultIfEmpty({})\n ),\n\n /* Fetch stars and forks */\n requestJSON(url)\n .pipe(\n catchError(() => EMPTY), // @todo refactor instant loading\n map(info => ({\n stars: info.stargazers_count,\n forks: info.forks_count\n })),\n defaultIfEmpty({})\n )\n )\n .pipe(\n map(([release, info]) => ({ ...release, ...info }))\n )\n\n /* User or organization */\n } else {\n const url = `https://api.github.com/users/${user}`\n return requestJSON(url)\n .pipe(\n map(info => ({\n repositories: info.public_repos\n })),\n defaultIfEmpty({})\n )\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport {\n EMPTY,\n Observable,\n catchError,\n defaultIfEmpty,\n map\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab repository facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n base: string, project: string\n): Observable {\n const url = `https://${base}/api/v4/projects/${encodeURIComponent(project)}`\n return requestJSON(url)\n .pipe(\n catchError(() => EMPTY), // @todo refactor instant loading\n map(({ star_count, forks_count }) => ({\n stars: star_count,\n forks: forks_count\n })),\n defaultIfEmpty({})\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable } from \"rxjs\"\n\nimport { fetchSourceFactsFromGitHub } from \"../github\"\nimport { fetchSourceFactsFromGitLab } from \"../gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository facts for repositories\n */\nexport interface RepositoryFacts {\n stars?: number /* Number of stars */\n forks?: number /* Number of forks */\n version?: string /* Latest version */\n}\n\n/**\n * Repository facts for organizations\n */\nexport interface OrganizationFacts {\n repositories?: number /* Number of repositories */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Repository facts\n */\nexport type SourceFacts =\n | RepositoryFacts\n | OrganizationFacts\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch repository facts\n *\n * @param url - Repository URL\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFacts(\n url: string\n): Observable {\n\n /* Try to match GitHub repository */\n let match = url.match(/^.+github\\.com\\/([^/]+)\\/?([^/]+)?/i)\n if (match) {\n const [, user, repo] = match\n return fetchSourceFactsFromGitHub(user, repo)\n }\n\n /* Try to match GitLab repository */\n match = url.match(/^.+?([^/]*gitlab[^/]+)\\/(.+?)\\/?$/i)\n if (match) {\n const [, base, slug] = match\n return fetchSourceFactsFromGitLab(base, slug)\n }\n\n /* Fallback */\n return EMPTY\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n Subject,\n catchError,\n defer,\n filter,\n finalize,\n map,\n of,\n shareReplay,\n tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\nimport { ConsentDefaults } from \"~/components/consent\"\nimport { renderSourceFacts } from \"~/templates\"\n\nimport {\n Component,\n getComponentElements\n} from \"../../_\"\nimport {\n SourceFacts,\n fetchSourceFacts\n} from \"../facts\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information\n */\nexport interface Source {\n facts: SourceFacts /* Repository facts */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information observable\n */\nlet fetch$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch repository information\n *\n * This function tries to read the repository facts from session storage, and\n * if unsuccessful, fetches them from the underlying provider.\n *\n * @param el - Repository information element\n *\n * @returns Repository information observable\n */\nexport function watchSource(\n el: HTMLAnchorElement\n): Observable {\n return fetch$ ||= defer(() => {\n const cached = __md_get(\"__source\", sessionStorage)\n if (cached) {\n return of(cached)\n } else {\n\n /* Check if consent is configured and was given */\n const els = getComponentElements(\"consent\")\n if (els.length) {\n const consent = __md_get(\"__consent\")\n if (!(consent && consent.github))\n return EMPTY\n }\n\n /* Fetch repository facts */\n return fetchSourceFacts(el.href)\n .pipe(\n tap(facts => __md_set(\"__source\", facts, sessionStorage))\n )\n }\n })\n .pipe(\n catchError(() => EMPTY),\n filter(facts => Object.keys(facts).length > 0),\n map(facts => ({ facts })),\n shareReplay(1)\n )\n}\n\n/**\n * Mount repository information\n *\n * @param el - Repository information element\n *\n * @returns Repository information component observable\n */\nexport function mountSource(\n el: HTMLAnchorElement\n): Observable> {\n const inner = getElement(\":scope > :last-child\", el)\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe(({ facts }) => {\n inner.appendChild(renderSourceFacts(facts))\n inner.classList.add(\"md-source__repository--active\")\n })\n\n /* Create and return component */\n return watchSource(el)\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n defer,\n distinctUntilKeyChanged,\n finalize,\n map,\n of,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n watchElementSize,\n watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation tabs\n */\nexport interface Tabs {\n hidden: boolean /* Navigation tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation tabs\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs observable\n */\nexport function watchTabs(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n return watchElementSize(document.body)\n .pipe(\n switchMap(() => watchViewportAt(el, { header$, viewport$ })),\n map(({ offset: { y } }) => {\n return {\n hidden: y >= 10\n }\n }),\n distinctUntilKeyChanged(\"hidden\")\n )\n}\n\n/**\n * Mount navigation tabs\n *\n * This function hides the navigation tabs when scrolling past the threshold\n * and makes them reappear in a nice CSS animation when scrolling back up.\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs component observable\n */\nexport function mountTabs(\n el: HTMLElement, options: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n push$.subscribe({\n\n /* Handle emission */\n next({ hidden }) {\n el.hidden = hidden\n },\n\n /* Handle complete */\n complete() {\n el.hidden = false\n }\n })\n\n /* Create and return component */\n return (\n feature(\"navigation.tabs.sticky\")\n ? of({ hidden: false })\n : watchTabs(el, options)\n )\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n combineLatestWith,\n debounceTime,\n defer,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n finalize,\n map,\n merge,\n of,\n repeat,\n scan,\n share,\n skip,\n startWith,\n switchMap,\n takeLast,\n takeUntil,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n Viewport,\n getElement,\n getElementContainer,\n getElementSize,\n getElements,\n getLocation,\n getOptionalElement,\n watchElementSize\n} from \"~/browser\"\n\nimport {\n Component,\n getComponentElement\n} from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport interface TableOfContents {\n prev: HTMLAnchorElement[][] /* Anchors (previous) */\n next: HTMLAnchorElement[][] /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n target$: Observable /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * This is effectively a scroll spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the table of contents\n * needs to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents observable\n */\nexport function watchTableOfContents(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n const table = new Map()\n\n /* Compute anchor-to-target mapping */\n const anchors = getElements(\"[href^=\\\\#]\", el)\n for (const anchor of anchors) {\n const id = decodeURIComponent(anchor.hash.substring(1))\n const target = getOptionalElement(`[id=\"${id}\"]`)\n if (typeof target !== \"undefined\")\n table.set(anchor, target)\n }\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n distinctUntilKeyChanged(\"height\"),\n map(({ height }) => {\n const main = getComponentElement(\"main\")\n const grid = getElement(\":scope > :first-child\", main)\n return height + 0.8 * (\n grid.offsetTop -\n main.offsetTop\n )\n }),\n share()\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = watchElementSize(document.body)\n .pipe(\n distinctUntilKeyChanged(\"height\"),\n\n /* Build index to map anchor paths to vertical offsets */\n switchMap(body => defer(() => {\n let path: HTMLAnchorElement[] = []\n return of([...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n\n /* If the current anchor is hidden, continue with its parent */\n let offset = target.offsetTop\n while (!offset && target.parentElement) {\n target = target.parentElement\n offset = target.offsetTop\n }\n\n /* Map reversed anchor path to vertical offset */\n return index.set(\n [...path = [...path, anchor]].reverse(),\n offset\n )\n }, new Map()))\n })\n .pipe(\n\n /* Sort index by vertical offset (see https://bit.ly/30z6QSO) */\n map(index => new Map([...index].sort(([, a], [, b]) => a - b))),\n combineLatestWith(adjust$),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(([index, adjust]) => viewport$\n .pipe(\n scan(([prev, next], { offset: { y }, size }) => {\n const last = y + size.height >= Math.floor(body.height)\n\n /* Look forward */\n while (next.length) {\n const [, offset] = next[0]\n if (offset - adjust < y || last) {\n prev = [...prev, next.shift()!]\n } else {\n break\n }\n }\n\n /* Look backward */\n while (prev.length) {\n const [, offset] = prev[prev.length - 1]\n if (offset - adjust >= y && !last) {\n next = [prev.pop()!, ...next]\n } else {\n break\n }\n }\n\n /* Return partition */\n return [prev, next]\n }, [[], [...index]]),\n distinctUntilChanged((a, b) => (\n a[0] === b[0] &&\n a[1] === b[1]\n ))\n )\n )\n )\n )\n )\n\n /* Compute and return anchor list migrations */\n return partition$\n .pipe(\n map(([prev, next]) => ({\n prev: prev.map(([path]) => path),\n next: next.map(([path]) => path)\n })),\n\n /* Extract anchor list migrations */\n startWith({ prev: [], next: [] }),\n bufferCount(2, 1),\n map(([a, b]) => {\n\n /* Moving down */\n if (a.prev.length < b.prev.length) {\n return {\n prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n next: []\n }\n\n /* Moving up */\n } else {\n return {\n prev: b.prev.slice(-1),\n next: b.next.slice(0, b.next.length - a.next.length)\n }\n }\n })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents component observable\n */\nexport function mountTableOfContents(\n el: HTMLElement, { viewport$, header$, target$ }: MountOptions\n): Observable> {\n return defer(() => {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n push$.subscribe(({ prev, next }) => {\n\n /* Look forward */\n for (const [anchor] of next) {\n anchor.classList.remove(\"md-nav__link--passed\")\n anchor.classList.remove(\"md-nav__link--active\")\n }\n\n /* Look backward */\n for (const [index, [anchor]] of prev.entries()) {\n anchor.classList.add(\"md-nav__link--passed\")\n anchor.classList.toggle(\n \"md-nav__link--active\",\n index === prev.length - 1\n )\n }\n })\n\n /* Set up following, if enabled */\n if (feature(\"toc.follow\")) {\n\n /* Toggle smooth scrolling only for anchor clicks */\n const smooth$ = merge(\n viewport$.pipe(debounceTime(1), map(() => undefined)),\n viewport$.pipe(debounceTime(250), map(() => \"smooth\" as const))\n )\n\n /* Bring active anchor into view */\n push$\n .pipe(\n filter(({ prev }) => prev.length > 0),\n withLatestFrom(smooth$)\n )\n .subscribe(([{ prev }, behavior]) => {\n const [anchor] = prev[prev.length - 1]\n if (anchor.offsetHeight) {\n\n /* Retrieve overflowing container and scroll */\n const container = getElementContainer(anchor)\n if (typeof container !== \"undefined\") {\n const offset = anchor.offsetTop - container.offsetTop\n const { height } = getElementSize(container)\n container.scrollTo({\n top: offset - height / 2,\n behavior\n })\n }\n }\n })\n }\n\n /* Set up anchor tracking, if enabled */\n if (feature(\"navigation.tracking\"))\n viewport$\n .pipe(\n takeUntil(done$),\n distinctUntilKeyChanged(\"offset\"),\n debounceTime(250),\n skip(1),\n takeUntil(target$.pipe(skip(1))),\n repeat({ delay: 250 }),\n withLatestFrom(push$)\n )\n .subscribe(([, { prev }]) => {\n const url = getLocation()\n\n /* Set hash fragment to active anchor */\n const anchor = prev[prev.length - 1]\n if (anchor && anchor.length) {\n const [active] = anchor\n const { hash } = new URL(active.href)\n if (url.hash !== hash) {\n url.hash = hash\n history.replaceState({}, \"\", `${url}`)\n }\n\n /* Reset anchor when at the top */\n } else {\n url.hash = \"\"\n history.replaceState({}, \"\", `${url}`)\n }\n })\n\n /* Create and return component */\n return watchTableOfContents(el, { viewport$, header$ })\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n bufferCount,\n combineLatest,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n endWith,\n finalize,\n map,\n repeat,\n skip,\n takeLast,\n takeUntil,\n tap\n} from \"rxjs\"\n\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Back-to-top button\n */\nexport interface BackToTop {\n hidden: boolean /* Back-to-top button is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n main$: Observable
    /* Main area observable */\n target$: Observable /* Location target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n target$: Observable /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch back-to-top\n *\n * @param _el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top observable\n */\nexport function watchBackToTop(\n _el: HTMLElement, { viewport$, main$, target$ }: WatchOptions\n): Observable {\n\n /* Compute direction */\n const direction$ = viewport$\n .pipe(\n map(({ offset: { y } }) => y),\n bufferCount(2, 1),\n map(([a, b]) => a > b && b > 0),\n distinctUntilChanged()\n )\n\n /* Compute whether main area is active */\n const active$ = main$\n .pipe(\n map(({ active }) => active)\n )\n\n /* Compute threshold for hiding */\n return combineLatest([active$, direction$])\n .pipe(\n map(([active, direction]) => !(active && direction)),\n distinctUntilChanged(),\n takeUntil(target$.pipe(skip(1))),\n endWith(true),\n repeat({ delay: 250 }),\n map(hidden => ({ hidden }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount back-to-top\n *\n * @param el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top component observable\n */\nexport function mountBackToTop(\n el: HTMLElement, { viewport$, header$, main$, target$ }: MountOptions\n): Observable> {\n const push$ = new Subject()\n const done$ = push$.pipe(takeLast(1))\n push$.subscribe({\n\n /* Handle emission */\n next({ hidden }) {\n el.hidden = hidden\n if (hidden) {\n el.setAttribute(\"tabindex\", \"-1\")\n el.blur()\n } else {\n el.removeAttribute(\"tabindex\")\n }\n },\n\n /* Handle complete */\n complete() {\n el.style.top = \"\"\n el.hidden = true\n el.removeAttribute(\"tabindex\")\n }\n })\n\n /* Watch header height */\n header$\n .pipe(\n takeUntil(done$),\n distinctUntilKeyChanged(\"height\")\n )\n .subscribe(({ height }) => {\n el.style.top = `${height + 16}px`\n })\n\n /* Create and return component */\n return watchBackToTop(el, { viewport$, main$, target$ })\n .pipe(\n tap(state => push$.next(state)),\n finalize(() => push$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n fromEvent,\n map,\n mergeMap,\n switchMap,\n takeWhile,\n tap,\n withLatestFrom\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n tablet$: Observable /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch indeterminate checkboxes\n *\n * This function replaces the indeterminate \"pseudo state\" with the actual\n * indeterminate state, which is used to keep navigation always expanded.\n *\n * @param options - Options\n */\nexport function patchIndeterminate(\n { document$, tablet$ }: PatchOptions\n): void {\n document$\n .pipe(\n switchMap(() => getElements(\n // @todo `data-md-state` is deprecated and removed in v9\n \".md-toggle--indeterminate, [data-md-state=indeterminate]\"\n )),\n tap(el => {\n el.indeterminate = true\n el.checked = false\n }),\n mergeMap(el => fromEvent(el, \"change\")\n .pipe(\n takeWhile(() => el.classList.contains(\"md-toggle--indeterminate\")),\n map(() => el)\n )\n ),\n withLatestFrom(tablet$)\n )\n .subscribe(([el, tablet]) => {\n el.classList.remove(\"md-toggle--indeterminate\")\n if (tablet)\n el.checked = false\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n filter,\n fromEvent,\n map,\n mergeMap,\n switchMap,\n tap\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @returns Test result\n */\nfunction isAppleDevice(): boolean {\n return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n { document$ }: PatchOptions\n): void {\n document$\n .pipe(\n switchMap(() => getElements(\"[data-md-scrollfix]\")),\n tap(el => el.removeAttribute(\"data-md-scrollfix\")),\n filter(isAppleDevice),\n mergeMap(el => fromEvent(el, \"touchstart\")\n .pipe(\n map(() => el)\n )\n )\n )\n .subscribe(el => {\n const top = el.scrollTop\n\n /* We're at the top of the container */\n if (top === 0) {\n el.scrollTop = 1\n\n /* We're at the bottom of the container */\n } else if (top + el.offsetHeight === el.scrollHeight) {\n el.scrollTop = top - 1\n }\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest,\n delay,\n map,\n of,\n switchMap,\n withLatestFrom\n} from \"rxjs\"\n\nimport {\n Viewport,\n watchToggle\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n viewport$: Observable /* Viewport observable */\n tablet$: Observable /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch the document body to lock when search is open\n *\n * For mobile and tablet viewports, the search is rendered full screen, which\n * leads to scroll leaking when at the top or bottom of the search result. This\n * function locks the body when the search is in full screen mode, and restores\n * the scroll position when leaving.\n *\n * @param options - Options\n */\nexport function patchScrolllock(\n { viewport$, tablet$ }: PatchOptions\n): void {\n combineLatest([watchToggle(\"search\"), tablet$])\n .pipe(\n map(([active, tablet]) => active && !tablet),\n switchMap(active => of(active)\n .pipe(\n delay(active ? 400 : 100)\n )\n ),\n withLatestFrom(viewport$)\n )\n .subscribe(([active, { offset: { y }}]) => {\n if (active) {\n document.body.setAttribute(\"data-md-scrolllock\", \"\")\n document.body.style.top = `-${y}px`\n } else {\n const value = -1 * parseInt(document.body.style.top, 10)\n document.body.removeAttribute(\"data-md-scrolllock\")\n document.body.style.top = \"\"\n if (value)\n window.scrollTo(0, value)\n }\n })\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n Object.entries = function (obj: object) {\n const data: [string, string][] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n data.push([key, obj[key]])\n\n /* Return entries */\n return data\n }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n Object.values = function (obj: object) {\n const data: string[] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n 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nu når og også om op os over på selv sig sin sine sit skal skulle som sådan thi til ud under var vi vil ville vor være været".split(" ")),e.Pipeline.registerFunction(e.da.stopWordFilter,"stopWordFilter-da")}}); \ No newline at end of file diff --git a/assets/javascripts/lunr/min/lunr.de.min.js b/assets/javascripts/lunr/min/lunr.de.min.js new file mode 100644 index 000000000..f3b5c108c --- /dev/null +++ b/assets/javascripts/lunr/min/lunr.de.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `German` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 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andere anderem anderen anderer anderes anderm andern anderr anders auch auf aus bei bin bis bist da damit dann das dasselbe dazu daß dein deine deinem deinen deiner deines dem demselben den denn denselben der derer derselbe derselben des desselben dessen dich die dies diese dieselbe dieselben diesem diesen dieser dieses dir doch dort du durch ein eine einem einen einer eines einig einige einigem einigen einiger einiges einmal er es etwas euch euer eure eurem euren eurer eures für gegen gewesen hab habe haben hat hatte hatten hier hin hinter ich ihm ihn ihnen ihr ihre ihrem ihren ihrer ihres im in indem ins ist jede jedem jeden jeder jedes jene jenem jenen jener jenes jetzt kann kein keine keinem keinen keiner keines können könnte machen man manche manchem manchen mancher manches mein meine meinem meinen meiner meines mich mir mit muss musste nach nicht nichts noch nun nur ob oder ohne sehr sein seine seinem seinen seiner seines selbst sich sie sind so solche solchem solchen solcher solches soll sollte sondern sonst um und uns unse unsem unsen unser unses unter viel vom von vor war waren warst was weg weil weiter welche welchem welchen welcher welches wenn werde werden wie wieder will wir wird wirst wo wollen wollte während würde würden zu zum zur zwar zwischen über".split(" ")),e.Pipeline.registerFunction(e.de.stopWordFilter,"stopWordFilter-de")}}); \ No newline at end of file diff --git a/assets/javascripts/lunr/min/lunr.du.min.js b/assets/javascripts/lunr/min/lunr.du.min.js new file mode 100644 index 000000000..49a0f3f0a --- /dev/null +++ b/assets/javascripts/lunr/min/lunr.du.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `Dutch` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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Lunr languages, `Italian` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.it=function(){this.pipeline.reset(),this.pipeline.add(e.it.trimmer,e.it.stopWordFilter,e.it.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.it.stemmer))},e.it.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤff-stＡ-Ｚａ-ｚ",e.it.trimmer=e.trimmerSupport.generateTrimmer(e.it.wordCharacters),e.Pipeline.registerFunction(e.it.trimmer,"trimmer-it"),e.it.stemmer=function(){var r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,i=new function(){function e(e,r,n){return!(!x.eq_s(1,e)||(x.ket=x.cursor,!x.in_grouping(L,97,249)))&&(x.slice_from(r),x.cursor=n,!0)}function i(){for(var r,n,i,o,t=x.cursor;;){if(x.bra=x.cursor,r=x.find_among(h,7))switch(x.ket=x.cursor,r){case 1:x.slice_from("à");continue;case 2:x.slice_from("è");continue;case 3:x.slice_from("ì");continue;case 4:x.slice_from("ò");continue;case 5:x.slice_from("ù");continue;case 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a(){for(;!x.in_grouping(L,97,249);){if(x.cursor>=x.limit)return!1;x.cursor++}for(;!x.out_grouping(L,97,249);){if(x.cursor>=x.limit)return!1;x.cursor++}return!0}function u(){var e=x.cursor;k=x.limit,p=k,g=k,s(),x.cursor=e,a()&&(p=x.cursor,a()&&(g=x.cursor))}function c(){for(var e;;){if(x.bra=x.cursor,!(e=x.find_among(q,3)))break;switch(x.ket=x.cursor,e){case 1:x.slice_from("i");break;case 2:x.slice_from("u");break;case 3:if(x.cursor>=x.limit)return;x.cursor++}}}function w(){return k<=x.cursor}function l(){return p<=x.cursor}function m(){return g<=x.cursor}function f(){var e;if(x.ket=x.cursor,x.find_among_b(C,37)&&(x.bra=x.cursor,(e=x.find_among_b(z,5))&&w()))switch(e){case 1:x.slice_del();break;case 2:x.slice_from("e")}}function v(){var e;if(x.ket=x.cursor,!(e=x.find_among_b(S,51)))return!1;switch(x.bra=x.cursor,e){case 1:if(!m())return!1;x.slice_del();break;case 2:if(!m())return!1;x.slice_del(),x.ket=x.cursor,x.eq_s_b(2,"ic")&&(x.bra=x.cursor,m()&&x.slice_del());break;case 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r("irai",-1,1),new r("isci",-1,1),new r("endi",-1,1),new r("erei",-1,1),new r("irei",-1,1),new r("assi",-1,1),new r("ati",-1,1),new r("iti",-1,1),new r("eresti",-1,1),new r("iresti",-1,1),new r("uti",-1,1),new r("avi",-1,1),new r("evi",-1,1),new r("ivi",-1,1),new r("isco",-1,1),new r("ando",-1,1),new r("endo",-1,1),new r("Yamo",-1,1),new r("iamo",-1,1),new r("avamo",-1,1),new r("evamo",-1,1),new r("ivamo",-1,1),new r("eremo",-1,1),new r("iremo",-1,1),new r("assimo",-1,1),new r("ammo",-1,1),new r("emmo",-1,1),new r("eremmo",54,1),new r("iremmo",54,1),new r("immo",-1,1),new r("ano",-1,1),new r("iscano",58,1),new r("avano",58,1),new r("evano",58,1),new r("ivano",58,1),new r("eranno",-1,1),new r("iranno",-1,1),new r("ono",-1,1),new r("iscono",65,1),new r("arono",65,1),new r("erono",65,1),new r("irono",65,1),new r("erebbero",-1,1),new r("irebbero",-1,1),new r("assero",-1,1),new r("essero",-1,1),new r("issero",-1,1),new r("ato",-1,1),new r("ito",-1,1),new r("uto",-1,1),new r("avo",-1,1),new r("evo",-1,1),new r("ivo",-1,1),new r("ar",-1,1),new r("ir",-1,1),new r("erà",-1,1),new r("irà",-1,1),new r("erò",-1,1),new r("irò",-1,1)],L=[17,65,16,0,0,0,0,0,0,0,0,0,0,0,0,128,128,8,2,1],y=[17,65,0,0,0,0,0,0,0,0,0,0,0,0,0,128,128,8,2],U=[17],x=new n;this.setCurrent=function(e){x.setCurrent(e)},this.getCurrent=function(){return x.getCurrent()},this.stem=function(){var e=x.cursor;return i(),x.cursor=e,u(),x.limit_backward=e,x.cursor=x.limit,f(),x.cursor=x.limit,v()||(x.cursor=x.limit,b()),x.cursor=x.limit,_(),x.cursor=x.limit_backward,c(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return i.setCurrent(e),i.stem(),i.getCurrent()}):(i.setCurrent(e),i.stem(),i.getCurrent())}}(),e.Pipeline.registerFunction(e.it.stemmer,"stemmer-it"),e.it.stopWordFilter=e.generateStopWordFilter("a abbia abbiamo abbiano abbiate ad agl agli ai al all alla alle allo anche avemmo avendo avesse avessero avessi avessimo aveste avesti avete aveva avevamo avevano avevate avevi avevo avrai avranno avrebbe avrebbero avrei avremmo avremo avreste avresti avrete avrà avrò avuta avute avuti avuto c che chi ci coi col come con contro cui da dagl dagli dai dal dall dalla dalle dallo degl degli dei del dell della delle dello di dov dove e ebbe ebbero ebbi ed era erano eravamo eravate eri ero essendo faccia facciamo facciano facciate faccio facemmo facendo facesse facessero facessi facessimo faceste facesti faceva facevamo facevano facevate facevi facevo fai fanno farai faranno farebbe farebbero farei faremmo faremo fareste faresti farete farà farò fece fecero feci fosse fossero fossi fossimo foste fosti fu fui fummo furono gli ha hai hanno ho i il in io l la le lei li lo loro lui ma mi mia mie miei mio ne negl negli nei nel nell nella nelle nello noi non nostra nostre nostri nostro o per perché più quale quanta quante quanti quanto quella quelle quelli quello questa queste questi questo sarai saranno sarebbe sarebbero sarei saremmo saremo sareste saresti sarete sarà sarò se sei si sia siamo siano siate siete sono sta stai stando stanno starai staranno starebbe starebbero starei staremmo staremo stareste staresti starete starà starò stava stavamo stavano stavate stavi stavo stemmo stesse stessero stessi stessimo steste stesti stette stettero stetti stia stiamo stiano stiate sto su sua sue sugl sugli sui sul sull sulla sulle sullo suo suoi ti tra tu tua tue tuo tuoi tutti tutto un una uno vi voi vostra vostre vostri vostro è".split(" ")),e.Pipeline.registerFunction(e.it.stopWordFilter,"stopWordFilter-it")}}); \ No newline at end of file diff --git a/assets/javascripts/lunr/min/lunr.ja.min.js b/assets/javascripts/lunr/min/lunr.ja.min.js new file mode 100644 index 000000000..5f254ebe9 --- /dev/null +++ b/assets/javascripts/lunr/min/lunr.ja.min.js @@ -0,0 +1 @@ +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var r="2"==e.version[0];e.ja=function(){this.pipeline.reset(),this.pipeline.add(e.ja.trimmer,e.ja.stopWordFilter,e.ja.stemmer),r?this.tokenizer=e.ja.tokenizer:(e.tokenizer&&(e.tokenizer=e.ja.tokenizer),this.tokenizerFn&&(this.tokenizerFn=e.ja.tokenizer))};var t=new e.TinySegmenter;e.ja.tokenizer=function(i){var n,o,s,p,a,u,m,l,c,f;if(!arguments.length||null==i||void 0==i)return[];if(Array.isArray(i))return i.map(function(t){return r?new e.Token(t.toLowerCase()):t.toLowerCase()});for(o=i.toString().toLowerCase().replace(/^\s+/,""),n=o.length-1;n>=0;n--)if(/\S/.test(o.charAt(n))){o=o.substring(0,n+1);break}for(a=[],s=o.length,c=0,l=0;c<=s;c++)if(u=o.charAt(c),m=c-l,u.match(/\s/)||c==s){if(m>0)for(p=t.segment(o.slice(l,c)).filter(function(e){return!!e}),f=l,n=0;n=C.limit)break;C.cursor++;continue}break}for(C.cursor=o,C.bra=o,C.eq_s(1,"y")?(C.ket=C.cursor,C.slice_from("Y")):C.cursor=o;;)if(e=C.cursor,C.in_grouping(q,97,232)){if(i=C.cursor,C.bra=i,C.eq_s(1,"i"))C.ket=C.cursor,C.in_grouping(q,97,232)&&(C.slice_from("I"),C.cursor=e);else if(C.cursor=i,C.eq_s(1,"y"))C.ket=C.cursor,C.slice_from("Y"),C.cursor=e;else if(n(e))break}else if(n(e))break}function n(r){return C.cursor=r,r>=C.limit||(C.cursor++,!1)}function o(){_=C.limit,d=_,t()||(_=C.cursor,_<3&&(_=3),t()||(d=C.cursor))}function t(){for(;!C.in_grouping(q,97,232);){if(C.cursor>=C.limit)return!0;C.cursor++}for(;!C.out_grouping(q,97,232);){if(C.cursor>=C.limit)return!0;C.cursor++}return!1}function s(){for(var r;;)if(C.bra=C.cursor,r=C.find_among(p,3))switch(C.ket=C.cursor,r){case 1:C.slice_from("y");break;case 2:C.slice_from("i");break;case 3:if(C.cursor>=C.limit)return;C.cursor++}}function u(){return _<=C.cursor}function c(){return d<=C.cursor}function a(){var r=C.limit-C.cursor;C.find_among_b(g,3)&&(C.cursor=C.limit-r,C.ket=C.cursor,C.cursor>C.limit_backward&&(C.cursor--,C.bra=C.cursor,C.slice_del()))}function l(){var r;w=!1,C.ket=C.cursor,C.eq_s_b(1,"e")&&(C.bra=C.cursor,u()&&(r=C.limit-C.cursor,C.out_grouping_b(q,97,232)&&(C.cursor=C.limit-r,C.slice_del(),w=!0,a())))}function m(){var r;u()&&(r=C.limit-C.cursor,C.out_grouping_b(q,97,232)&&(C.cursor=C.limit-r,C.eq_s_b(3,"gem")||(C.cursor=C.limit-r,C.slice_del(),a())))}function f(){var r,e,i,n,o,t,s=C.limit-C.cursor;if(C.ket=C.cursor,r=C.find_among_b(h,5))switch(C.bra=C.cursor,r){case 1:u()&&C.slice_from("heid");break;case 2:m();break;case 3:u()&&C.out_grouping_b(j,97,232)&&C.slice_del()}if(C.cursor=C.limit-s,l(),C.cursor=C.limit-s,C.ket=C.cursor,C.eq_s_b(4,"heid")&&(C.bra=C.cursor,c()&&(e=C.limit-C.cursor,C.eq_s_b(1,"c")||(C.cursor=C.limit-e,C.slice_del(),C.ket=C.cursor,C.eq_s_b(2,"en")&&(C.bra=C.cursor,m())))),C.cursor=C.limit-s,C.ket=C.cursor,r=C.find_among_b(k,6))switch(C.bra=C.cursor,r){case 1:if(c()){if(C.slice_del(),i=C.limit-C.cursor,C.ket=C.cursor,C.eq_s_b(2,"ig")&&(C.bra=C.cursor,c()&&(n=C.limit-C.cursor,!C.eq_s_b(1,"e")))){C.cursor=C.limit-n,C.slice_del();break}C.cursor=C.limit-i,a()}break;case 2:c()&&(o=C.limit-C.cursor,C.eq_s_b(1,"e")||(C.cursor=C.limit-o,C.slice_del()));break;case 3:c()&&(C.slice_del(),l());break;case 4:c()&&C.slice_del();break;case 5:c()&&w&&C.slice_del()}C.cursor=C.limit-s,C.out_grouping_b(z,73,232)&&(t=C.limit-C.cursor,C.find_among_b(v,4)&&C.out_grouping_b(q,97,232)&&(C.cursor=C.limit-t,C.ket=C.cursor,C.cursor>C.limit_backward&&(C.cursor--,C.bra=C.cursor,C.slice_del())))}var d,_,w,b=[new e("",-1,6),new e("á",0,1),new e("ä",0,1),new e("é",0,2),new e("ë",0,2),new e("í",0,3),new e("ï",0,3),new e("ó",0,4),new e("ö",0,4),new e("ú",0,5),new e("ü",0,5)],p=[new e("",-1,3),new e("I",0,2),new e("Y",0,1)],g=[new e("dd",-1,-1),new e("kk",-1,-1),new e("tt",-1,-1)],h=[new e("ene",-1,2),new e("se",-1,3),new e("en",-1,2),new e("heden",2,1),new e("s",-1,3)],k=[new e("end",-1,1),new e("ig",-1,2),new e("ing",-1,1),new e("lijk",-1,3),new e("baar",-1,4),new e("bar",-1,5)],v=[new e("aa",-1,-1),new e("ee",-1,-1),new e("oo",-1,-1),new e("uu",-1,-1)],q=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,128],z=[1,0,0,17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,128],j=[17,67,16,1,0,0,0,0,0,0,0,0,0,0,0,0,128],C=new i;this.setCurrent=function(r){C.setCurrent(r)},this.getCurrent=function(){return C.getCurrent()},this.stem=function(){var e=C.cursor;return r(),C.cursor=e,o(),C.limit_backward=e,C.cursor=C.limit,f(),C.cursor=C.limit_backward,s(),!0}};return function(r){return"function"==typeof r.update?r.update(function(r){return n.setCurrent(r),n.stem(),n.getCurrent()}):(n.setCurrent(r),n.stem(),n.getCurrent())}}(),r.Pipeline.registerFunction(r.nl.stemmer,"stemmer-nl"),r.nl.stopWordFilter=r.generateStopWordFilter(" aan al alles als altijd andere ben bij daar dan dat de der deze die dit doch doen door dus een eens en er ge geen geweest haar had heb hebben heeft hem het hier hij hoe hun iemand iets ik in is ja je kan kon kunnen maar me meer men met mij mijn moet na naar niet niets nog nu of om omdat onder ons ook op over reeds te tegen toch toen tot u uit uw van veel voor want waren was wat werd wezen wie wil worden wordt zal ze zelf zich zij zijn zo zonder zou".split(" 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dă ea ei el ele eram este eu eşti face fata fi fie fiecare fii fim fiu fiţi frumos fără graţie halbă iar ieri la le li lor lui lângă lîngă mai mea mei mele mereu meu mi mie mine mult multă mulţi mulţumesc mâine mîine mă ne nevoie nici nicăieri nimeni nimeri nimic nişte noastre noastră noi noroc nostru nouă noştri nu opt ori oricare orice oricine oricum oricând oricât oricînd oricît oriunde patra patru patrulea pe pentru peste pic poate pot prea prima primul prin puţin puţina puţină până pînă rog sa sale sau se spate spre sub sunt suntem sunteţi sută sînt sîntem sînteţi să săi său ta tale te timp tine toate toată tot totuşi toţi trei treia treilea tu tăi tău un una unde undeva unei uneia unele uneori unii unor unora unu unui unuia unul vi voastre voastră voi vostru vouă voştri vreme vreo vreun vă zece zero zi zice îi îl îmi împotriva în înainte înaintea încotro încât încît între întrucât întrucît îţi ăla ălea ăsta ăstea ăştia şapte şase şi ştiu ţi ţie".split(" ")),e.Pipeline.registerFunction(e.ro.stopWordFilter,"stopWordFilter-ro")}}); \ No newline at end of file diff --git a/assets/javascripts/lunr/min/lunr.ru.min.js b/assets/javascripts/lunr/min/lunr.ru.min.js new file mode 100644 index 000000000..186cc485c --- /dev/null +++ b/assets/javascripts/lunr/min/lunr.ru.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `Russian` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,n){"function"==typeof define&&define.amd?define(n):"object"==typeof exports?module.exports=n():n()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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i=Dr.limit-Dr.cursor;if(d())Dr.bra=Dr.cursor,Dr.slice_del();else if(Dr.cursor=Dr.limit-i,m())Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,W()&&(Dr.bra=Dr.cursor,Dr.slice_del(),K());else if(Dr.cursor=Dr.limit-i,!K())return!1;return!0}function N(r){if(Dr.ket=Dr.cursor,!z()&&(Dr.cursor=Dr.limit-r,!b()))return!1;var i=Dr.limit-Dr.cursor;return!(!m()&&(Dr.cursor=Dr.limit-i,!d()))&&(Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,W()&&(Dr.bra=Dr.cursor,Dr.slice_del(),K()),!0)}function O(){var r,i=Dr.limit-Dr.cursor;return Dr.ket=Dr.cursor,!(!w()&&(Dr.cursor=Dr.limit-i,!v()))&&(Dr.bra=Dr.cursor,Dr.slice_del(),r=Dr.limit-Dr.cursor,Dr.ket=Dr.cursor,!(!W()||(Dr.bra=Dr.cursor,Dr.slice_del(),!K()))||(Dr.cursor=Dr.limit-r,Dr.ket=Dr.cursor,!(a()||(Dr.cursor=Dr.limit-r,m()||(Dr.cursor=Dr.limit-r,K())))||(Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,W()&&(Dr.bra=Dr.cursor,Dr.slice_del(),K()),!0)))}function Q(){var r,i,e=Dr.limit-Dr.cursor;if(Dr.ket=Dr.cursor,!p()&&(Dr.cursor=Dr.limit-e,!f()&&(Dr.cursor=Dr.limit-e,!_())))return!1;if(Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,r=Dr.limit-Dr.cursor,a())Dr.bra=Dr.cursor,Dr.slice_del(),i=Dr.limit-Dr.cursor,Dr.ket=Dr.cursor,W()||(Dr.cursor=Dr.limit-i);else if(Dr.cursor=Dr.limit-r,!W())return!0;return Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,K(),!0}function R(){var r,i,e=Dr.limit-Dr.cursor;if(Dr.ket=Dr.cursor,W())return Dr.bra=Dr.cursor,Dr.slice_del(),void K();if(Dr.cursor=Dr.limit-e,Dr.ket=Dr.cursor,q())if(Dr.bra=Dr.cursor,Dr.slice_del(),r=Dr.limit-Dr.cursor,Dr.ket=Dr.cursor,d())Dr.bra=Dr.cursor,Dr.slice_del();else{if(Dr.cursor=Dr.limit-r,Dr.ket=Dr.cursor,!a()&&(Dr.cursor=Dr.limit-r,!m())){if(Dr.cursor=Dr.limit-r,Dr.ket=Dr.cursor,!W())return;if(Dr.bra=Dr.cursor,Dr.slice_del(),!K())return}Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,W()&&(Dr.bra=Dr.cursor,Dr.slice_del(),K())}else if(Dr.cursor=Dr.limit-e,!M(e)&&(Dr.cursor=Dr.limit-e,!N(e))){if(Dr.cursor=Dr.limit-e,Dr.ket=Dr.cursor,y())return Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,i=Dr.limit-Dr.cursor,void(a()?(Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,W()&&(Dr.bra=Dr.cursor,Dr.slice_del(),K())):(Dr.cursor=Dr.limit-i,W()?(Dr.bra=Dr.cursor,Dr.slice_del(),K()):(Dr.cursor=Dr.limit-i,K())));if(Dr.cursor=Dr.limit-e,!O()){if(Dr.cursor=Dr.limit-e,d())return Dr.bra=Dr.cursor,void Dr.slice_del();Dr.cursor=Dr.limit-e,K()||(Dr.cursor=Dr.limit-e,Q()||(Dr.cursor=Dr.limit-e,Dr.ket=Dr.cursor,(a()||(Dr.cursor=Dr.limit-e,m()))&&(Dr.bra=Dr.cursor,Dr.slice_del(),Dr.ket=Dr.cursor,W()&&(Dr.bra=Dr.cursor,Dr.slice_del(),K()))))}}}function U(){var r;if(Dr.ket=Dr.cursor,r=Dr.find_among_b(Sr,4))switch(Dr.bra=Dr.cursor,r){case 1:Dr.slice_from("p");break;case 2:Dr.slice_from("ç");break;case 3:Dr.slice_from("t");break;case 4:Dr.slice_from("k")}}function V(){for(;;){var r=Dr.limit-Dr.cursor;if(Dr.in_grouping_b(Wr,97,305)){Dr.cursor=Dr.limit-r;break}if(Dr.cursor=Dr.limit-r,Dr.cursor<=Dr.limit_backward)return!1;Dr.cursor--}return!0}function X(r,i,e){if(Dr.cursor=Dr.limit-r,V()){var n=Dr.limit-Dr.cursor;if(!Dr.eq_s_b(1,i)&&(Dr.cursor=Dr.limit-n,!Dr.eq_s_b(1,e)))return!0;Dr.cursor=Dr.limit-r;var t=Dr.cursor;return Dr.insert(Dr.cursor,Dr.cursor,e),Dr.cursor=t,!1}return!0}function Y(){var r=Dr.limit-Dr.cursor;(Dr.eq_s_b(1,"d")||(Dr.cursor=Dr.limit-r,Dr.eq_s_b(1,"g")))&&X(r,"a","ı")&&X(r,"e","i")&&X(r,"o","u")&&X(r,"ö","ü")}function $(){for(var r,i=Dr.cursor,e=2;;){for(r=Dr.cursor;!Dr.in_grouping(Wr,97,305);){if(Dr.cursor>=Dr.limit)return Dr.cursor=r,!(e>0)&&(Dr.cursor=i,!0);Dr.cursor++}e--}}function rr(r,i,e){for(;!Dr.eq_s(i,e);){if(Dr.cursor>=Dr.limit)return!0;Dr.cursor++}return(tr=i)!=Dr.limit||(Dr.cursor=r,!1)}function ir(){var r=Dr.cursor;return!rr(r,2,"ad")||(Dr.cursor=r,!rr(r,5,"soyad"))}function er(){var r=Dr.cursor;return!ir()&&(Dr.limit_backward=r,Dr.cursor=Dr.limit,Y(),Dr.cursor=Dr.limit,U(),!0)}var nr,tr,ur=[new i("m",-1,-1),new i("n",-1,-1),new i("miz",-1,-1),new i("niz",-1,-1),new i("muz",-1,-1),new i("nuz",-1,-1),new i("müz",-1,-1),new i("nüz",-1,-1),new i("mız",-1,-1),new i("nız",-1,-1)],or=[new i("leri",-1,-1),new i("ları",-1,-1)],sr=[new i("ni",-1,-1),new i("nu",-1,-1),new i("nü",-1,-1),new i("nı",-1,-1)],cr=[new i("in",-1,-1),new i("un",-1,-1),new i("ün",-1,-1),new i("ın",-1,-1)],lr=[new i("a",-1,-1),new i("e",-1,-1)],ar=[new i("na",-1,-1),new i("ne",-1,-1)],mr=[new i("da",-1,-1),new i("ta",-1,-1),new i("de",-1,-1),new i("te",-1,-1)],dr=[new i("nda",-1,-1),new i("nde",-1,-1)],fr=[new i("dan",-1,-1),new i("tan",-1,-1),new i("den",-1,-1),new i("ten",-1,-1)],br=[new i("ndan",-1,-1),new i("nden",-1,-1)],wr=[new i("la",-1,-1),new i("le",-1,-1)],_r=[new i("ca",-1,-1),new i("ce",-1,-1)],kr=[new i("im",-1,-1),new i("um",-1,-1),new i("üm",-1,-1),new i("ım",-1,-1)],pr=[new i("sin",-1,-1),new i("sun",-1,-1),new i("sün",-1,-1),new i("sın",-1,-1)],gr=[new i("iz",-1,-1),new i("uz",-1,-1),new i("üz",-1,-1),new i("ız",-1,-1)],yr=[new i("siniz",-1,-1),new i("sunuz",-1,-1),new i("sünüz",-1,-1),new i("sınız",-1,-1)],zr=[new i("lar",-1,-1),new i("ler",-1,-1)],vr=[new i("niz",-1,-1),new i("nuz",-1,-1),new i("nüz",-1,-1),new i("nız",-1,-1)],hr=[new i("dir",-1,-1),new i("tir",-1,-1),new i("dur",-1,-1),new i("tur",-1,-1),new i("dür",-1,-1),new i("tür",-1,-1),new i("dır",-1,-1),new i("tır",-1,-1)],qr=[new i("casına",-1,-1),new i("cesine",-1,-1)],Cr=[new i("di",-1,-1),new i("ti",-1,-1),new i("dik",-1,-1),new i("tik",-1,-1),new i("duk",-1,-1),new i("tuk",-1,-1),new i("dük",-1,-1),new i("tük",-1,-1),new i("dık",-1,-1),new i("tık",-1,-1),new i("dim",-1,-1),new i("tim",-1,-1),new i("dum",-1,-1),new i("tum",-1,-1),new i("düm",-1,-1),new i("tüm",-1,-1),new i("dım",-1,-1),new i("tım",-1,-1),new i("din",-1,-1),new i("tin",-1,-1),new i("dun",-1,-1),new i("tun",-1,-1),new i("dün",-1,-1),new i("tün",-1,-1),new i("dın",-1,-1),new i("tın",-1,-1),new i("du",-1,-1),new i("tu",-1,-1),new i("dü",-1,-1),new i("tü",-1,-1),new i("dı",-1,-1),new i("tı",-1,-1)],Pr=[new i("sa",-1,-1),new i("se",-1,-1),new i("sak",-1,-1),new i("sek",-1,-1),new i("sam",-1,-1),new i("sem",-1,-1),new i("san",-1,-1),new i("sen",-1,-1)],Fr=[new i("miş",-1,-1),new i("muş",-1,-1),new i("müş",-1,-1),new i("mış",-1,-1)],Sr=[new i("b",-1,1),new i("c",-1,2),new i("d",-1,3),new i("ğ",-1,4)],Wr=[17,65,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,32,8,0,0,0,0,0,0,1],Lr=[1,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,1],xr=[1,64,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1],Ar=[17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,130],Er=[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1],jr=[17],Tr=[65],Zr=[65],Br=[["a",xr,97,305],["e",Ar,101,252],["ı",Er,97,305],["i",jr,101,105],["o",Tr,111,117],["ö",Zr,246,252],["u",Tr,111,117]],Dr=new e;this.setCurrent=function(r){Dr.setCurrent(r)},this.getCurrent=function(){return Dr.getCurrent()},this.stem=function(){return!!($()&&(Dr.limit_backward=Dr.cursor,Dr.cursor=Dr.limit,J(),Dr.cursor=Dr.limit,nr&&(R(),Dr.cursor=Dr.limit_backward,er())))}};return function(r){return"function"==typeof r.update?r.update(function(r){return n.setCurrent(r),n.stem(),n.getCurrent()}):(n.setCurrent(r),n.stem(),n.getCurrent())}}(),r.Pipeline.registerFunction(r.tr.stemmer,"stemmer-tr"),r.tr.stopWordFilter=r.generateStopWordFilter("acaba altmış altı ama ancak arada aslında ayrıca bana bazı belki ben benden beni benim beri beş bile bin bir biri birkaç birkez birçok birşey birşeyi biz bizden bize bizi bizim bu buna bunda bundan bunlar bunları bunların bunu bunun burada böyle böylece da daha dahi de defa değil diye diğer doksan dokuz dolayı dolayısıyla dört edecek eden ederek edilecek ediliyor edilmesi ediyor elli en etmesi etti ettiği ettiğini eğer gibi göre halen hangi hatta hem henüz hep hepsi her herhangi herkesin hiç hiçbir iki ile ilgili ise itibaren itibariyle için işte kadar karşın katrilyon kendi kendilerine kendini kendisi kendisine kendisini kez ki kim kimden kime kimi kimse kırk milyar milyon mu mü mı nasıl ne neden nedenle nerde nerede nereye niye niçin o olan olarak oldu olduklarını olduğu olduğunu olmadı olmadığı olmak olması olmayan olmaz olsa olsun olup olur olursa oluyor on ona ondan onlar onlardan onları onların onu onun otuz oysa pek rağmen sadece sanki sekiz seksen sen senden seni senin siz sizden sizi sizin tarafından trilyon tüm var vardı ve veya ya yani yapacak yapmak yaptı yaptıkları yaptığı yaptığını yapılan yapılması yapıyor yedi yerine yetmiş yine yirmi yoksa yüz zaten çok çünkü öyle üzere üç şey şeyden şeyi şeyler şu şuna şunda şundan şunları şunu şöyle".split(" ")),r.Pipeline.registerFunction(r.tr.stopWordFilter,"stopWordFilter-tr")}}); \ No newline at end of file diff --git a/assets/javascripts/lunr/min/lunr.vi.min.js b/assets/javascripts/lunr/min/lunr.vi.min.js new file mode 100644 index 000000000..22aed28c4 --- /dev/null +++ b/assets/javascripts/lunr/min/lunr.vi.min.js @@ -0,0 +1 @@ +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.vi=function(){this.pipeline.reset(),this.pipeline.add(e.vi.stopWordFilter,e.vi.trimmer)},e.vi.wordCharacters="[A-Za-ẓ̀͐́͑̉̃̓ÂâÊêÔôĂ-ăĐ-đƠ-ơƯ-ư]",e.vi.trimmer=e.trimmerSupport.generateTrimmer(e.vi.wordCharacters),e.Pipeline.registerFunction(e.vi.trimmer,"trimmer-vi"),e.vi.stopWordFilter=e.generateStopWordFilter("là cái nhưng mà".split(" "))}}); \ No newline at end of file diff --git a/assets/javascripts/lunr/min/lunr.zh.min.js b/assets/javascripts/lunr/min/lunr.zh.min.js new file mode 100644 index 000000000..9838ef96d --- /dev/null +++ b/assets/javascripts/lunr/min/lunr.zh.min.js @@ -0,0 +1 @@ +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r(require("@node-rs/jieba")):r()(e.lunr)}(this,function(e){return function(r,t){if(void 0===r)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===r.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var i="2"==r.version[0];r.zh=function(){this.pipeline.reset(),this.pipeline.add(r.zh.trimmer,r.zh.stopWordFilter,r.zh.stemmer),i?this.tokenizer=r.zh.tokenizer:(r.tokenizer&&(r.tokenizer=r.zh.tokenizer),this.tokenizerFn&&(this.tokenizerFn=r.zh.tokenizer))},r.zh.tokenizer=function(n){if(!arguments.length||null==n||void 0==n)return[];if(Array.isArray(n))return n.map(function(e){return i?new r.Token(e.toLowerCase()):e.toLowerCase()});t&&e.load(t);var o=n.toString().trim().toLowerCase(),s=[];e.cut(o,!0).forEach(function(e){s=s.concat(e.split(" "))}),s=s.filter(function(e){return!!e});var u=0;return s.map(function(e,t){if(i){var n=o.indexOf(e,u),s={};return s.position=[n,e.length],s.index=t,u=n,new r.Token(e,s)}return e})},r.zh.wordCharacters="\\w一-龥",r.zh.trimmer=r.trimmerSupport.generateTrimmer(r.zh.wordCharacters),r.Pipeline.registerFunction(r.zh.trimmer,"trimmer-zh"),r.zh.stemmer=function(){return function(e){return e}}(),r.Pipeline.registerFunction(r.zh.stemmer,"stemmer-zh"),r.zh.stopWordFilter=r.generateStopWordFilter("的 一 不 在 人 有 是 为 以 于 上 他 而 后 之 来 及 了 因 下 可 到 由 这 与 也 此 但 并 个 其 已 无 小 我 们 起 最 再 今 去 好 只 又 或 很 亦 某 把 那 你 乃 它 吧 被 比 别 趁 当 从 到 得 打 凡 儿 尔 该 各 给 跟 和 何 还 即 几 既 看 据 距 靠 啦 了 另 么 每 们 嘛 拿 哪 那 您 凭 且 却 让 仍 啥 如 若 使 谁 虽 随 同 所 她 哇 嗡 往 哪 些 向 沿 哟 用 于 咱 则 怎 曾 至 致 着 诸 自".split(" ")),r.Pipeline.registerFunction(r.zh.stopWordFilter,"stopWordFilter-zh")}}); \ No newline at end of file diff --git a/assets/javascripts/lunr/tinyseg.js b/assets/javascripts/lunr/tinyseg.js new file mode 100644 index 000000000..167fa6dd6 --- /dev/null +++ b/assets/javascripts/lunr/tinyseg.js @@ -0,0 +1,206 @@ +/** + * export the module via AMD, CommonJS or as a browser global + * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js + */ +;(function (root, factory) { + if (typeof define === 'function' && define.amd) { + // AMD. Register as an anonymous module. + define(factory) + } else if (typeof exports === 'object') { + /** + * Node. Does not work with strict CommonJS, but + * only CommonJS-like environments that support module.exports, + * like Node. + */ + module.exports = factory() + } else { + // Browser globals (root is window) + factory()(root.lunr); + } +}(this, function () { + /** + * Just return a value to define the module export. + * This example returns an object, but the module + * can return a function as the exported value. + */ + + return function(lunr) { + // TinySegmenter 0.1 -- Super compact Japanese tokenizer in Javascript + // (c) 2008 Taku Kudo + // TinySegmenter is freely distributable under the terms of a new BSD licence. + // For details, see http://chasen.org/~taku/software/TinySegmenter/LICENCE.txt + + function TinySegmenter() { + var patterns = { + "[一二三四五六七八九十百千万億兆]":"M", + "[一-龠々〆ヵヶ]":"H", + "[ぁ-ん]":"I", + "[ァ-ヴーｱ-ﾝﾞｰ]":"K", + "[a-zA-Zａ-ｚＡ-Ｚ]":"A", + "[0-9０-９]":"N" + } + this.chartype_ = []; + for (var i in patterns) { + var regexp = new RegExp(i); + this.chartype_.push([regexp, patterns[i]]); + } + + this.BIAS__ = -332 + this.BC1__ = {"HH":6,"II":2461,"KH":406,"OH":-1378}; + this.BC2__ = {"AA":-3267,"AI":2744,"AN":-878,"HH":-4070,"HM":-1711,"HN":4012,"HO":3761,"IA":1327,"IH":-1184,"II":-1332,"IK":1721,"IO":5492,"KI":3831,"KK":-8741,"MH":-3132,"MK":3334,"OO":-2920}; + this.BC3__ = {"HH":996,"HI":626,"HK":-721,"HN":-1307,"HO":-836,"IH":-301,"KK":2762,"MK":1079,"MM":4034,"OA":-1652,"OH":266}; + this.BP1__ = {"BB":295,"OB":304,"OO":-125,"UB":352}; + this.BP2__ = {"BO":60,"OO":-1762}; + this.BQ1__ = {"BHH":1150,"BHM":1521,"BII":-1158,"BIM":886,"BMH":1208,"BNH":449,"BOH":-91,"BOO":-2597,"OHI":451,"OIH":-296,"OKA":1851,"OKH":-1020,"OKK":904,"OOO":2965}; + this.BQ2__ = {"BHH":118,"BHI":-1159,"BHM":466,"BIH":-919,"BKK":-1720,"BKO":864,"OHH":-1139,"OHM":-181,"OIH":153,"UHI":-1146}; + this.BQ3__ = {"BHH":-792,"BHI":2664,"BII":-299,"BKI":419,"BMH":937,"BMM":8335,"BNN":998,"BOH":775,"OHH":2174,"OHM":439,"OII":280,"OKH":1798,"OKI":-793,"OKO":-2242,"OMH":-2402,"OOO":11699}; + this.BQ4__ = {"BHH":-3895,"BIH":3761,"BII":-4654,"BIK":1348,"BKK":-1806,"BMI":-3385,"BOO":-12396,"OAH":926,"OHH":266,"OHK":-2036,"ONN":-973}; 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+ + return this; + } + TinySegmenter.prototype.ctype_ = function(str) { + for (var i in this.chartype_) { + if (str.match(this.chartype_[i][0])) { + return this.chartype_[i][1]; + } + } + return "O"; + } + + TinySegmenter.prototype.ts_ = function(v) { + if (v) { return v; } + return 0; + } + + TinySegmenter.prototype.segment = function(input) { + if (input == null || input == undefined || input == "") { + return []; + } + var result = []; + var seg = ["B3","B2","B1"]; + var ctype = ["O","O","O"]; + var o = input.split(""); + for (i = 0; i < o.length; ++i) { + seg.push(o[i]); + ctype.push(this.ctype_(o[i])) + } + seg.push("E1"); + seg.push("E2"); + seg.push("E3"); + ctype.push("O"); + ctype.push("O"); + ctype.push("O"); + var word = seg[3]; + var p1 = "U"; + var p2 = "U"; + var p3 = "U"; + for (var i = 4; i < seg.length - 3; ++i) { + var score = this.BIAS__; + var w1 = seg[i-3]; + var w2 = seg[i-2]; + var w3 = seg[i-1]; + var w4 = seg[i]; + var w5 = seg[i+1]; + var w6 = seg[i+2]; + var c1 = ctype[i-3]; + var c2 = ctype[i-2]; + var c3 = ctype[i-1]; + var c4 = ctype[i]; + var c5 = ctype[i+1]; + var c6 = ctype[i+2]; + score += this.ts_(this.UP1__[p1]); + score += this.ts_(this.UP2__[p2]); + score += this.ts_(this.UP3__[p3]); + score += this.ts_(this.BP1__[p1 + p2]); + score += this.ts_(this.BP2__[p2 + p3]); + score += this.ts_(this.UW1__[w1]); + score += this.ts_(this.UW2__[w2]); + score += this.ts_(this.UW3__[w3]); + score += this.ts_(this.UW4__[w4]); + score += this.ts_(this.UW5__[w5]); + score += this.ts_(this.UW6__[w6]); + score += this.ts_(this.BW1__[w2 + w3]); + score += this.ts_(this.BW2__[w3 + w4]); + score += this.ts_(this.BW3__[w4 + w5]); + score += this.ts_(this.TW1__[w1 + w2 + w3]); + score += this.ts_(this.TW2__[w2 + w3 + w4]); + score += this.ts_(this.TW3__[w3 + w4 + w5]); + score += this.ts_(this.TW4__[w4 + w5 + w6]); + score += this.ts_(this.UC1__[c1]); + score += this.ts_(this.UC2__[c2]); + score += this.ts_(this.UC3__[c3]); + score += this.ts_(this.UC4__[c4]); + score += this.ts_(this.UC5__[c5]); + score += this.ts_(this.UC6__[c6]); + score += this.ts_(this.BC1__[c2 + c3]); + score += this.ts_(this.BC2__[c3 + c4]); + score += this.ts_(this.BC3__[c4 + c5]); + score += this.ts_(this.TC1__[c1 + c2 + c3]); + score += this.ts_(this.TC2__[c2 + c3 + c4]); + score += this.ts_(this.TC3__[c3 + c4 + c5]); + score += this.ts_(this.TC4__[c4 + c5 + c6]); + // score += this.ts_(this.TC5__[c4 + c5 + c6]); + score += this.ts_(this.UQ1__[p1 + c1]); + score += this.ts_(this.UQ2__[p2 + c2]); + score += this.ts_(this.UQ3__[p3 + c3]); + score += this.ts_(this.BQ1__[p2 + c2 + c3]); + score += this.ts_(this.BQ2__[p2 + c3 + c4]); + score += this.ts_(this.BQ3__[p3 + c2 + c3]); + score += this.ts_(this.BQ4__[p3 + c3 + c4]); + score += this.ts_(this.TQ1__[p2 + c1 + c2 + c3]); + score += this.ts_(this.TQ2__[p2 + c2 + c3 + c4]); + score += this.ts_(this.TQ3__[p3 + c1 + c2 + c3]); + score += this.ts_(this.TQ4__[p3 + c2 + c3 + c4]); + var p = "O"; + if (score > 0) { + result.push(word); + word = ""; + p = "B"; + } + p1 = p2; + p2 = p3; + p3 = p; + word += seg[i]; + } + result.push(word); + + return result; + } + + lunr.TinySegmenter = TinySegmenter; + }; + +})); \ No newline at end of file diff --git a/assets/javascripts/lunr/wordcut.js b/assets/javascripts/lunr/wordcut.js new file mode 100644 index 000000000..146f4b44b --- /dev/null +++ b/assets/javascripts/lunr/wordcut.js @@ -0,0 +1,6708 @@ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}(g.lunr || (g.lunr = {})).wordcut = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 1; + }) + this.addWords(words, false) + } + if(finalize){ + this.finalizeDict(); + } + }, + + dictSeek: function (l, r, ch, strOffset, pos) { + var ans = null; + while (l <= r) { + var m = Math.floor((l + r) / 2), + dict_item = this.dict[m], + len = dict_item.length; + if (len <= strOffset) { + l = m + 1; + } else { + var ch_ = dict_item[strOffset]; + if (ch_ < ch) { + l = m + 1; + } else if (ch_ > ch) { + r = m - 1; + } else { + ans = m; + if (pos == LEFT) { + r = m - 1; + } else { + l = m + 1; + } + } + } + } + return ans; + }, + + isFinal: function (acceptor) { + return this.dict[acceptor.l].length == acceptor.strOffset; + }, + + createAcceptor: function () { + return { + l: 0, + r: this.dict.length - 1, + strOffset: 0, + isFinal: false, + dict: this, + transit: function (ch) { + return this.dict.transit(this, ch); + }, + isError: false, + tag: "DICT", + w: 1, + type: "DICT" + }; + }, + + transit: function (acceptor, ch) { + var l = this.dictSeek(acceptor.l, + acceptor.r, + ch, + acceptor.strOffset, + LEFT); + if (l !== null) { + var r = this.dictSeek(l, + acceptor.r, + ch, + acceptor.strOffset, + RIGHT); + acceptor.l = l; + acceptor.r = r; + acceptor.strOffset++; + acceptor.isFinal = this.isFinal(acceptor); + } else { + acceptor.isError = true; + } + return acceptor; + }, + + sortuniq: function(a){ + return a.sort().filter(function(item, pos, arr){ + return !pos || item != arr[pos - 1]; + }) + }, + + flatten: function(a){ + //[[1,2],[3]] -> [1,2,3] + return [].concat.apply([], a); + } +}; +module.exports = WordcutDict; + +}).call(this,"/dist/tmp") +},{"glob":16,"path":22}],3:[function(require,module,exports){ +var WordRule = { + createAcceptor: function(tag) { + if (tag["WORD_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + var lch = ch.toLowerCase(); + if (lch >= "a" && lch <= "z") { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "WORD_RULE", + type: "WORD_RULE", + w: 1}; + } +}; + +var NumberRule = { + createAcceptor: function(tag) { + if (tag["NUMBER_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (ch >= "0" && ch <= "9") { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "NUMBER_RULE", + type: "NUMBER_RULE", + w: 1}; + } +}; + +var SpaceRule = { + tag: "SPACE_RULE", + createAcceptor: function(tag) { + + if (tag["SPACE_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (ch == " " || ch == "\t" || ch == "\r" || ch == "\n" || + ch == "\u00A0" || ch=="\u2003"//nbsp and emsp + ) { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: SpaceRule.tag, + w: 1, + type: "SPACE_RULE"}; + } +} + +var SingleSymbolRule = { + tag: "SINSYM", + createAcceptor: function(tag) { + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (this.strOffset == 0 && ch.match(/^[\@\(\)\/\,\-\."`]$/)) { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "SINSYM", + w: 1, + type: "SINSYM"}; + } +} + + +var LatinRules = [WordRule, SpaceRule, SingleSymbolRule, NumberRule]; + +module.exports = LatinRules; + +},{}],4:[function(require,module,exports){ +var _ = require("underscore") + , WordcutCore = require("./wordcut_core"); +var PathInfoBuilder = { + + /* + buildByPartAcceptors: function(path, acceptors, i) { + var + var genInfos = partAcceptors.reduce(function(genInfos, acceptor) { + + }, []); + + return genInfos; + } + */ + + buildByAcceptors: function(path, finalAcceptors, i) { + var self = this; + var infos = finalAcceptors.map(function(acceptor) { + var p = i - acceptor.strOffset + 1 + , _info = path[p]; + + var info = {p: p, + mw: _info.mw + (acceptor.mw === undefined ? 0 : acceptor.mw), + w: acceptor.w + _info.w, + unk: (acceptor.unk ? acceptor.unk : 0) + _info.unk, + type: acceptor.type}; + + if (acceptor.type == "PART") { + for(var j = p + 1; j <= i; j++) { + path[j].merge = p; + } + info.merge = p; + } + + return info; + }); + return infos.filter(function(info) { return info; }); + }, + + fallback: function(path, leftBoundary, text, i) { + var _info = path[leftBoundary]; + if (text[i].match(/[\u0E48-\u0E4E]/)) { + if (leftBoundary != 0) + leftBoundary = path[leftBoundary].p; + return {p: leftBoundary, + mw: 0, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; +/* } else if(leftBoundary > 0 && path[leftBoundary].type !== "UNK") { + leftBoundary = path[leftBoundary].p; + return {p: leftBoundary, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; */ + } else { + return {p: leftBoundary, + mw: _info.mw, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; + } + }, + + build: function(path, finalAcceptors, i, leftBoundary, text) { + var basicPathInfos = this.buildByAcceptors(path, finalAcceptors, i); + if (basicPathInfos.length > 0) { + return basicPathInfos; + } else { + return [this.fallback(path, leftBoundary, text, i)]; + } + } +}; + +module.exports = function() { + return _.clone(PathInfoBuilder); +} + +},{"./wordcut_core":8,"underscore":25}],5:[function(require,module,exports){ +var _ = require("underscore"); + + +var PathSelector = { + selectPath: function(paths) { + var path = paths.reduce(function(selectedPath, path) { + if (selectedPath == null) { + return path; + } else { + if (path.unk < selectedPath.unk) + return path; + if (path.unk == selectedPath.unk) { + if (path.mw < selectedPath.mw) + return path + if (path.mw == selectedPath.mw) { + if (path.w < selectedPath.w) + return path; + } + } + return selectedPath; + } + }, null); + return path; + }, + + createPath: function() { + return [{p:null, w:0, unk:0, type: "INIT", mw:0}]; + } +}; + +module.exports = function() { + return _.clone(PathSelector); +}; + +},{"underscore":25}],6:[function(require,module,exports){ +function isMatch(pat, offset, ch) { + if (pat.length <= offset) + return false; + var _ch = pat[offset]; + return _ch == ch || + (_ch.match(/[กข]/) && ch.match(/[ก-ฮ]/)) || + (_ch.match(/[มบ]/) && ch.match(/[ก-ฮ]/)) || + (_ch.match(/\u0E49/) && ch.match(/[\u0E48-\u0E4B]/)); +} + +var Rule0 = { + pat: "เหก็ม", + createAcceptor: function(tag) { + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (isMatch(Rule0.pat, this.strOffset,ch)) { + this.isFinal = (this.strOffset + 1 == Rule0.pat.length); + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "THAI_RULE", + type: "THAI_RULE", + w: 1}; + } +}; + +var PartRule = { + createAcceptor: function(tag) { + return {strOffset: 0, + patterns: [ + "แก", "เก", "ก้", "กก์", "กา", "กี", "กิ", "กืก" + ], + isFinal: false, + transit: function(ch) { + var offset = this.strOffset; + this.patterns = this.patterns.filter(function(pat) { + return isMatch(pat, offset, ch); + }); + + if (this.patterns.length > 0) { + var len = 1 + offset; + this.isFinal = this.patterns.some(function(pat) { + return pat.length == len; + }); + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "PART", + type: "PART", + unk: 1, + w: 1}; + } +}; + +var ThaiRules = [Rule0, PartRule]; + +module.exports = ThaiRules; + +},{}],7:[function(require,module,exports){ +var sys = require("sys") + , WordcutDict = require("./dict") + , WordcutCore = require("./wordcut_core") + , PathInfoBuilder = require("./path_info_builder") + , PathSelector = require("./path_selector") + , Acceptors = require("./acceptors") + , latinRules = require("./latin_rules") + , thaiRules = require("./thai_rules") + , _ = require("underscore"); + + +var Wordcut = Object.create(WordcutCore); +Wordcut.defaultPathInfoBuilder = PathInfoBuilder; +Wordcut.defaultPathSelector = PathSelector; +Wordcut.defaultAcceptors = Acceptors; +Wordcut.defaultLatinRules = latinRules; +Wordcut.defaultThaiRules = thaiRules; +Wordcut.defaultDict = WordcutDict; + + +Wordcut.initNoDict = function(dict_path) { + var self = this; + self.pathInfoBuilder = new self.defaultPathInfoBuilder; + self.pathSelector = new self.defaultPathSelector; + self.acceptors = new self.defaultAcceptors; + self.defaultLatinRules.forEach(function(rule) { + self.acceptors.creators.push(rule); + }); + self.defaultThaiRules.forEach(function(rule) { + self.acceptors.creators.push(rule); + }); +}; + +Wordcut.init = function(dict_path, withDefault, additionalWords) { + withDefault = withDefault || false; + this.initNoDict(); + var dict = _.clone(this.defaultDict); + dict.init(dict_path, withDefault, additionalWords); + this.acceptors.creators.push(dict); +}; + +module.exports = Wordcut; + +},{"./acceptors":1,"./dict":2,"./latin_rules":3,"./path_info_builder":4,"./path_selector":5,"./thai_rules":6,"./wordcut_core":8,"sys":28,"underscore":25}],8:[function(require,module,exports){ +var WordcutCore = { + + buildPath: function(text) { + var self = this + , path = self.pathSelector.createPath() + , leftBoundary = 0; + self.acceptors.reset(); + for (var i = 0; i < text.length; i++) { + var ch = text[i]; + self.acceptors.transit(ch); + + var possiblePathInfos = self + .pathInfoBuilder + .build(path, + self.acceptors.getFinalAcceptors(), + i, + leftBoundary, + text); + var selectedPath = self.pathSelector.selectPath(possiblePathInfos) + + path.push(selectedPath); + if (selectedPath.type !== "UNK") { + leftBoundary = i; + } + } + return path; + }, + + pathToRanges: function(path) { + var e = path.length - 1 + , ranges = []; + + while (e > 0) { + var info = path[e] + , s = info.p; + + if (info.merge !== undefined && ranges.length > 0) { + var r = ranges[ranges.length - 1]; + r.s = info.merge; + s = r.s; + } else { + ranges.push({s:s, e:e}); + } + e = s; + } + return ranges.reverse(); + }, + + rangesToText: function(text, ranges, delimiter) { + return ranges.map(function(r) { + return text.substring(r.s, r.e); + }).join(delimiter); + }, + + cut: function(text, delimiter) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + return this + .rangesToText(text, ranges, + (delimiter === undefined ? "|" : delimiter)); + }, + + cutIntoRanges: function(text, noText) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + + if (!noText) { + ranges.forEach(function(r) { + r.text = text.substring(r.s, r.e); + }); + } + return ranges; + }, + + cutIntoArray: function(text) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + + return ranges.map(function(r) { + return text.substring(r.s, r.e) + }); + } +}; + +module.exports = WordcutCore; + +},{}],9:[function(require,module,exports){ +// http://wiki.commonjs.org/wiki/Unit_Testing/1.0 +// +// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8! +// +// Originally from narwhal.js (http://narwhaljs.org) +// Copyright (c) 2009 Thomas Robinson <280north.com> +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the 'Software'), to +// deal in the Software without restriction, including without limitation the +// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +// sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +// when used in node, this will actually load the util module we depend on +// versus loading the builtin util module as happens otherwise +// this is a bug in node module loading as far as I am concerned +var util = require('util/'); + +var pSlice = Array.prototype.slice; +var hasOwn = Object.prototype.hasOwnProperty; + +// 1. The assert module provides functions that throw +// AssertionError's when particular conditions are not met. The +// assert module must conform to the following interface. + +var assert = module.exports = ok; + +// 2. The AssertionError is defined in assert. +// new assert.AssertionError({ message: message, +// actual: actual, +// expected: expected }) + +assert.AssertionError = function AssertionError(options) { + this.name = 'AssertionError'; + this.actual = options.actual; + this.expected = options.expected; + this.operator = options.operator; + if (options.message) { + this.message = options.message; + this.generatedMessage = false; + } else { + this.message = getMessage(this); + this.generatedMessage = true; + } + var stackStartFunction = options.stackStartFunction || fail; + + if (Error.captureStackTrace) { + Error.captureStackTrace(this, stackStartFunction); + } + else { + // non v8 browsers so we can have a stacktrace + var err = new Error(); + if (err.stack) { + var out = err.stack; + + // try to strip useless frames + var fn_name = stackStartFunction.name; + var idx = out.indexOf('\n' + fn_name); + if (idx >= 0) { + // once we have located the function frame + // we need to strip out everything before it (and its line) + var next_line = out.indexOf('\n', idx + 1); + out = out.substring(next_line + 1); + } + + this.stack = out; + } + } +}; + +// assert.AssertionError instanceof Error +util.inherits(assert.AssertionError, Error); + +function replacer(key, value) { + if (util.isUndefined(value)) { + return '' + value; + } + if (util.isNumber(value) && !isFinite(value)) { + return value.toString(); + } + if (util.isFunction(value) || util.isRegExp(value)) { + return value.toString(); + } + return value; +} + +function truncate(s, n) { + if (util.isString(s)) { + return s.length < n ? s : s.slice(0, n); + } else { + return s; + } +} + +function getMessage(self) { + return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' + + self.operator + ' ' + + truncate(JSON.stringify(self.expected, replacer), 128); +} + +// At present only the three keys mentioned above are used and +// understood by the spec. Implementations or sub modules can pass +// other keys to the AssertionError's constructor - they will be +// ignored. + +// 3. All of the following functions must throw an AssertionError +// when a corresponding condition is not met, with a message that +// may be undefined if not provided. All assertion methods provide +// both the actual and expected values to the assertion error for +// display purposes. + +function fail(actual, expected, message, operator, stackStartFunction) { + throw new assert.AssertionError({ + message: message, + actual: actual, + expected: expected, + operator: operator, + stackStartFunction: stackStartFunction + }); +} + +// EXTENSION! allows for well behaved errors defined elsewhere. +assert.fail = fail; + +// 4. Pure assertion tests whether a value is truthy, as determined +// by !!guard. +// assert.ok(guard, message_opt); +// This statement is equivalent to assert.equal(true, !!guard, +// message_opt);. To test strictly for the value true, use +// assert.strictEqual(true, guard, message_opt);. + +function ok(value, message) { + if (!value) fail(value, true, message, '==', assert.ok); +} +assert.ok = ok; + +// 5. The equality assertion tests shallow, coercive equality with +// ==. +// assert.equal(actual, expected, message_opt); + +assert.equal = function equal(actual, expected, message) { + if (actual != expected) fail(actual, expected, message, '==', assert.equal); +}; + +// 6. The non-equality assertion tests for whether two objects are not equal +// with != assert.notEqual(actual, expected, message_opt); + +assert.notEqual = function notEqual(actual, expected, message) { + if (actual == expected) { + fail(actual, expected, message, '!=', assert.notEqual); + } +}; + +// 7. The equivalence assertion tests a deep equality relation. +// assert.deepEqual(actual, expected, message_opt); + +assert.deepEqual = function deepEqual(actual, expected, message) { + if (!_deepEqual(actual, expected)) { + fail(actual, expected, message, 'deepEqual', assert.deepEqual); + } +}; + +function _deepEqual(actual, expected) { + // 7.1. All identical values are equivalent, as determined by ===. + if (actual === expected) { + return true; + + } else if (util.isBuffer(actual) && util.isBuffer(expected)) { + if (actual.length != expected.length) return false; + + for (var i = 0; i < actual.length; i++) { + if (actual[i] !== expected[i]) return false; + } + + return true; + + // 7.2. If the expected value is a Date object, the actual value is + // equivalent if it is also a Date object that refers to the same time. + } else if (util.isDate(actual) && util.isDate(expected)) { + return actual.getTime() === expected.getTime(); + + // 7.3 If the expected value is a RegExp object, the actual value is + // equivalent if it is also a RegExp object with the same source and + // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`). + } else if (util.isRegExp(actual) && util.isRegExp(expected)) { + return actual.source === expected.source && + actual.global === expected.global && + actual.multiline === expected.multiline && + actual.lastIndex === expected.lastIndex && + actual.ignoreCase === expected.ignoreCase; + + // 7.4. Other pairs that do not both pass typeof value == 'object', + // equivalence is determined by ==. + } else if (!util.isObject(actual) && !util.isObject(expected)) { + return actual == expected; + + // 7.5 For all other Object pairs, including Array objects, equivalence is + // determined by having the same number of owned properties (as verified + // with Object.prototype.hasOwnProperty.call), the same set of keys + // (although not necessarily the same order), equivalent values for every + // corresponding key, and an identical 'prototype' property. Note: this + // accounts for both named and indexed properties on Arrays. + } else { + return objEquiv(actual, expected); + } +} + +function isArguments(object) { + return Object.prototype.toString.call(object) == '[object Arguments]'; +} + +function objEquiv(a, b) { + if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b)) + return false; + // an identical 'prototype' property. + if (a.prototype !== b.prototype) return false; + // if one is a primitive, the other must be same + if (util.isPrimitive(a) || util.isPrimitive(b)) { + return a === b; + } + var aIsArgs = isArguments(a), + bIsArgs = isArguments(b); + if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs)) + return false; + if (aIsArgs) { + a = pSlice.call(a); + b = pSlice.call(b); + return _deepEqual(a, b); + } + var ka = objectKeys(a), + kb = objectKeys(b), + key, i; + // having the same number of owned properties (keys incorporates + // hasOwnProperty) + if (ka.length != kb.length) + return false; + //the same set of keys (although not necessarily the same order), + ka.sort(); + kb.sort(); + //~~~cheap key test + for (i = ka.length - 1; i >= 0; i--) { + if (ka[i] != kb[i]) + return false; + } + //equivalent values for every corresponding key, and + //~~~possibly expensive deep test + for (i = ka.length - 1; i >= 0; i--) { + key = ka[i]; + if (!_deepEqual(a[key], b[key])) return false; + } + return true; +} + +// 8. The non-equivalence assertion tests for any deep inequality. +// assert.notDeepEqual(actual, expected, message_opt); + +assert.notDeepEqual = function notDeepEqual(actual, expected, message) { + if (_deepEqual(actual, expected)) { + fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual); + } +}; + +// 9. The strict equality assertion tests strict equality, as determined by ===. +// assert.strictEqual(actual, expected, message_opt); + +assert.strictEqual = function strictEqual(actual, expected, message) { + if (actual !== expected) { + fail(actual, expected, message, '===', assert.strictEqual); + } +}; + +// 10. The strict non-equality assertion tests for strict inequality, as +// determined by !==. assert.notStrictEqual(actual, expected, message_opt); + +assert.notStrictEqual = function notStrictEqual(actual, expected, message) { + if (actual === expected) { + fail(actual, expected, message, '!==', assert.notStrictEqual); + } +}; + +function expectedException(actual, expected) { + if (!actual || !expected) { + return false; + } + + if (Object.prototype.toString.call(expected) == '[object RegExp]') { + return expected.test(actual); + } else if (actual instanceof expected) { + return true; + } else if (expected.call({}, actual) === true) { + return true; + } + + return false; +} + +function _throws(shouldThrow, block, expected, message) { + var actual; + + if (util.isString(expected)) { + message = expected; + expected = null; + } + + try { + block(); + } catch (e) { + actual = e; + } + + message = (expected && expected.name ? ' (' + expected.name + ').' : '.') + + (message ? ' ' + message : '.'); + + if (shouldThrow && !actual) { + fail(actual, expected, 'Missing expected exception' + message); + } + + if (!shouldThrow && expectedException(actual, expected)) { + fail(actual, expected, 'Got unwanted exception' + message); + } + + if ((shouldThrow && actual && expected && + !expectedException(actual, expected)) || (!shouldThrow && actual)) { + throw actual; + } +} + +// 11. Expected to throw an error: +// assert.throws(block, Error_opt, message_opt); + +assert.throws = function(block, /*optional*/error, /*optional*/message) { + _throws.apply(this, [true].concat(pSlice.call(arguments))); +}; + +// EXTENSION! This is annoying to write outside this module. +assert.doesNotThrow = function(block, /*optional*/message) { + _throws.apply(this, [false].concat(pSlice.call(arguments))); +}; + +assert.ifError = function(err) { if (err) {throw err;}}; + +var objectKeys = Object.keys || function (obj) { + var keys = []; + for (var key in obj) { + if (hasOwn.call(obj, key)) keys.push(key); + } + return keys; +}; + +},{"util/":28}],10:[function(require,module,exports){ +'use strict'; +module.exports = balanced; +function balanced(a, b, str) { + if (a instanceof RegExp) a = maybeMatch(a, str); + if (b instanceof RegExp) b = maybeMatch(b, str); + + var r = range(a, b, str); + + return r && { + start: r[0], + end: r[1], + pre: str.slice(0, r[0]), + body: str.slice(r[0] + a.length, r[1]), + post: str.slice(r[1] + b.length) + }; +} + +function maybeMatch(reg, str) { + var m = str.match(reg); + return m ? m[0] : null; +} + +balanced.range = range; +function range(a, b, str) { + var begs, beg, left, right, result; + var ai = str.indexOf(a); + var bi = str.indexOf(b, ai + 1); + var i = ai; + + if (ai >= 0 && bi > 0) { + begs = []; + left = str.length; + + while (i >= 0 && !result) { + if (i == ai) { + begs.push(i); + ai = str.indexOf(a, i + 1); + } else if (begs.length == 1) { + result = [ begs.pop(), bi ]; + } else { + beg = begs.pop(); + if (beg < left) { + left = beg; + right = bi; + } + + bi = str.indexOf(b, i + 1); + } + + i = ai < bi && ai >= 0 ? ai : bi; + } + + if (begs.length) { + result = [ left, right ]; + } + } + + return result; +} + +},{}],11:[function(require,module,exports){ +var concatMap = require('concat-map'); +var balanced = require('balanced-match'); + +module.exports = expandTop; + +var escSlash = '\0SLASH'+Math.random()+'\0'; +var escOpen = '\0OPEN'+Math.random()+'\0'; +var escClose = '\0CLOSE'+Math.random()+'\0'; +var escComma = '\0COMMA'+Math.random()+'\0'; +var escPeriod = '\0PERIOD'+Math.random()+'\0'; + +function numeric(str) { + return parseInt(str, 10) == str + ? parseInt(str, 10) + : str.charCodeAt(0); +} + +function escapeBraces(str) { + return str.split('\\\\').join(escSlash) + .split('\\{').join(escOpen) + .split('\\}').join(escClose) + .split('\\,').join(escComma) + .split('\\.').join(escPeriod); +} + +function unescapeBraces(str) { + return str.split(escSlash).join('\\') + .split(escOpen).join('{') + .split(escClose).join('}') + .split(escComma).join(',') + .split(escPeriod).join('.'); +} + + +// Basically just str.split(","), but handling cases +// where we have nested braced sections, which should be +// treated as individual members, like {a,{b,c},d} +function parseCommaParts(str) { + if (!str) + return ['']; + + var parts = []; + var m = balanced('{', '}', str); + + if (!m) + return str.split(','); + + var pre = m.pre; + var body = m.body; + var post = m.post; + var p = pre.split(','); + + p[p.length-1] += '{' + body + '}'; + var postParts = parseCommaParts(post); + if (post.length) { + p[p.length-1] += postParts.shift(); + p.push.apply(p, postParts); + } + + parts.push.apply(parts, p); + + return parts; +} + +function expandTop(str) { + if (!str) + return []; + + // I don't know why Bash 4.3 does this, but it does. + // Anything starting with {} will have the first two bytes preserved + // but *only* at the top level, so {},a}b will not expand to anything, + // but a{},b}c will be expanded to [a}c,abc]. + // One could argue that this is a bug in Bash, but since the goal of + // this module is to match Bash's rules, we escape a leading {} + if (str.substr(0, 2) === '{}') { + str = '\\{\\}' + str.substr(2); + } + + return expand(escapeBraces(str), true).map(unescapeBraces); +} + +function identity(e) { + return e; +} + +function embrace(str) { + return '{' + str + '}'; +} +function isPadded(el) { + return /^-?0\d/.test(el); +} + +function lte(i, y) { + return i <= y; +} +function gte(i, y) { + return i >= y; +} + +function expand(str, isTop) { + var expansions = []; + + var m = balanced('{', '}', str); + if (!m || /\$$/.test(m.pre)) return [str]; + + var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body); + var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body); + var isSequence = isNumericSequence || isAlphaSequence; + var isOptions = m.body.indexOf(',') >= 0; + if (!isSequence && !isOptions) { + // {a},b} + if (m.post.match(/,.*\}/)) { + str = m.pre + '{' + m.body + escClose + m.post; + return expand(str); + } + return [str]; + } + + var n; + if (isSequence) { + n = m.body.split(/\.\./); + } else { + n = parseCommaParts(m.body); + if (n.length === 1) { + // x{{a,b}}y ==> x{a}y x{b}y + n = expand(n[0], false).map(embrace); + if (n.length === 1) { + var post = m.post.length + ? expand(m.post, false) + : ['']; + return post.map(function(p) { + return m.pre + n[0] + p; + }); + } + } + } + + // at this point, n is the parts, and we know it's not a comma set + // with a single entry. + + // no need to expand pre, since it is guaranteed to be free of brace-sets + var pre = m.pre; + var post = m.post.length + ? expand(m.post, false) + : ['']; + + var N; + + if (isSequence) { + var x = numeric(n[0]); + var y = numeric(n[1]); + var width = Math.max(n[0].length, n[1].length) + var incr = n.length == 3 + ? Math.abs(numeric(n[2])) + : 1; + var test = lte; + var reverse = y < x; + if (reverse) { + incr *= -1; + test = gte; + } + var pad = n.some(isPadded); + + N = []; + + for (var i = x; test(i, y); i += incr) { + var c; + if (isAlphaSequence) { + c = String.fromCharCode(i); + if (c === '\\') + c = ''; + } else { + c = String(i); + if (pad) { + var need = width - c.length; + if (need > 0) { + var z = new Array(need + 1).join('0'); + if (i < 0) + c = '-' + z + c.slice(1); + else + c = z + c; + } + } + } + N.push(c); + } + } else { + N = concatMap(n, function(el) { return expand(el, false) }); + } + + for (var j = 0; j < N.length; j++) { + for (var k = 0; k < post.length; k++) { + var expansion = pre + N[j] + post[k]; + if (!isTop || isSequence || expansion) + expansions.push(expansion); + } + } + + return expansions; +} + + +},{"balanced-match":10,"concat-map":13}],12:[function(require,module,exports){ + +},{}],13:[function(require,module,exports){ +module.exports = function (xs, fn) { + var res = []; + for (var i = 0; i < xs.length; i++) { + var x = fn(xs[i], i); + if (isArray(x)) res.push.apply(res, x); + else res.push(x); + } + return res; +}; + +var isArray = Array.isArray || function (xs) { + return Object.prototype.toString.call(xs) === '[object Array]'; +}; + +},{}],14:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +function EventEmitter() { + this._events = this._events || {}; + this._maxListeners = this._maxListeners || undefined; +} +module.exports = EventEmitter; + +// Backwards-compat with node 0.10.x +EventEmitter.EventEmitter = EventEmitter; + +EventEmitter.prototype._events = undefined; +EventEmitter.prototype._maxListeners = undefined; + +// By default EventEmitters will print a warning if more than 10 listeners are +// added to it. This is a useful default which helps finding memory leaks. +EventEmitter.defaultMaxListeners = 10; + +// Obviously not all Emitters should be limited to 10. This function allows +// that to be increased. Set to zero for unlimited. +EventEmitter.prototype.setMaxListeners = function(n) { + if (!isNumber(n) || n < 0 || isNaN(n)) + throw TypeError('n must be a positive number'); + this._maxListeners = n; + return this; +}; + +EventEmitter.prototype.emit = function(type) { + var er, handler, len, args, i, listeners; + + if (!this._events) + this._events = {}; + + // If there is no 'error' event listener then throw. + if (type === 'error') { + if (!this._events.error || + (isObject(this._events.error) && !this._events.error.length)) { + er = arguments[1]; + if (er instanceof Error) { + throw er; // Unhandled 'error' event + } + throw TypeError('Uncaught, unspecified "error" event.'); + } + } + + handler = this._events[type]; + + if (isUndefined(handler)) + return false; + + if (isFunction(handler)) { + switch (arguments.length) { + // fast cases + case 1: + handler.call(this); + break; + case 2: + handler.call(this, arguments[1]); + break; + case 3: + handler.call(this, arguments[1], arguments[2]); + break; + // slower + default: + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + handler.apply(this, args); + } + } else if (isObject(handler)) { + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + + listeners = handler.slice(); + len = listeners.length; + for (i = 0; i < len; i++) + listeners[i].apply(this, args); + } + + return true; +}; + +EventEmitter.prototype.addListener = function(type, listener) { + var m; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events) + this._events = {}; + + // To avoid recursion in the case that type === "newListener"! Before + // adding it to the listeners, first emit "newListener". + if (this._events.newListener) + this.emit('newListener', type, + isFunction(listener.listener) ? + listener.listener : listener); + + if (!this._events[type]) + // Optimize the case of one listener. Don't need the extra array object. + this._events[type] = listener; + else if (isObject(this._events[type])) + // If we've already got an array, just append. + this._events[type].push(listener); + else + // Adding the second element, need to change to array. + this._events[type] = [this._events[type], listener]; + + // Check for listener leak + if (isObject(this._events[type]) && !this._events[type].warned) { + var m; + if (!isUndefined(this._maxListeners)) { + m = this._maxListeners; + } else { + m = EventEmitter.defaultMaxListeners; + } + + if (m && m > 0 && this._events[type].length > m) { + this._events[type].warned = true; + console.error('(node) warning: possible EventEmitter memory ' + + 'leak detected. %d listeners added. ' + + 'Use emitter.setMaxListeners() to increase limit.', + this._events[type].length); + if (typeof console.trace === 'function') { + // not supported in IE 10 + console.trace(); + } + } + } + + return this; +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.once = function(type, listener) { + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + var fired = false; + + function g() { + this.removeListener(type, g); + + if (!fired) { + fired = true; + listener.apply(this, arguments); + } + } + + g.listener = listener; + this.on(type, g); + + return this; +}; + +// emits a 'removeListener' event iff the listener was removed +EventEmitter.prototype.removeListener = function(type, listener) { + var list, position, length, i; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events || !this._events[type]) + return this; + + list = this._events[type]; + length = list.length; + position = -1; + + if (list === listener || + (isFunction(list.listener) && list.listener === listener)) { + delete this._events[type]; + if (this._events.removeListener) + this.emit('removeListener', type, listener); + + } else if (isObject(list)) { + for (i = length; i-- > 0;) { + if (list[i] === listener || + (list[i].listener && list[i].listener === listener)) { + position = i; + break; + } + } + + if (position < 0) + return this; + + if (list.length === 1) { + list.length = 0; + delete this._events[type]; + } else { + list.splice(position, 1); + } + + if (this._events.removeListener) + this.emit('removeListener', type, listener); + } + + return this; +}; + +EventEmitter.prototype.removeAllListeners = function(type) { + var key, listeners; + + if (!this._events) + return this; + + // not listening for removeListener, no need to emit + if (!this._events.removeListener) { + if (arguments.length === 0) + this._events = {}; + else if (this._events[type]) + delete this._events[type]; + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + for (key in this._events) { + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = {}; + return this; + } + + listeners = this._events[type]; + + if (isFunction(listeners)) { + this.removeListener(type, listeners); + } else { + // LIFO order + while (listeners.length) + this.removeListener(type, listeners[listeners.length - 1]); + } + delete this._events[type]; + + return this; +}; + +EventEmitter.prototype.listeners = function(type) { + var ret; + if (!this._events || !this._events[type]) + ret = []; + else if (isFunction(this._events[type])) + ret = [this._events[type]]; + else + ret = this._events[type].slice(); + return ret; +}; + +EventEmitter.listenerCount = function(emitter, type) { + var ret; + if (!emitter._events || !emitter._events[type]) + ret = 0; + else if (isFunction(emitter._events[type])) + ret = 1; + else + ret = emitter._events[type].length; + return ret; +}; + +function isFunction(arg) { + return typeof arg === 'function'; +} + +function isNumber(arg) { + return typeof arg === 'number'; +} + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} + +function isUndefined(arg) { + return arg === void 0; +} + +},{}],15:[function(require,module,exports){ +(function (process){ +exports.alphasort = alphasort +exports.alphasorti = alphasorti +exports.setopts = setopts +exports.ownProp = ownProp +exports.makeAbs = makeAbs +exports.finish = finish +exports.mark = mark +exports.isIgnored = isIgnored +exports.childrenIgnored = childrenIgnored + +function ownProp (obj, field) { + return Object.prototype.hasOwnProperty.call(obj, field) +} + +var path = require("path") +var minimatch = require("minimatch") +var isAbsolute = require("path-is-absolute") +var Minimatch = minimatch.Minimatch + +function alphasorti (a, b) { + return a.toLowerCase().localeCompare(b.toLowerCase()) +} + +function alphasort (a, b) { + return a.localeCompare(b) +} + +function setupIgnores (self, options) { + self.ignore = options.ignore || [] + + if (!Array.isArray(self.ignore)) + self.ignore = [self.ignore] + + if (self.ignore.length) { + self.ignore = self.ignore.map(ignoreMap) + } +} + +function ignoreMap (pattern) { + var gmatcher = null + if (pattern.slice(-3) === '/**') { + var gpattern = pattern.replace(/(\/\*\*)+$/, '') + gmatcher = new Minimatch(gpattern) + } + + return { + matcher: new Minimatch(pattern), + gmatcher: gmatcher + } +} + +function setopts (self, pattern, options) { + if (!options) + options = {} + + // base-matching: just use globstar for that. + if (options.matchBase && -1 === pattern.indexOf("/")) { + if (options.noglobstar) { + throw new Error("base matching requires globstar") + } + pattern = "**/" + pattern + } + + self.silent = !!options.silent + self.pattern = pattern + self.strict = options.strict !== false + self.realpath = !!options.realpath + self.realpathCache = options.realpathCache || Object.create(null) + self.follow = !!options.follow + self.dot = !!options.dot + self.mark = !!options.mark + self.nodir = !!options.nodir + if (self.nodir) + self.mark = true + self.sync = !!options.sync + self.nounique = !!options.nounique + self.nonull = !!options.nonull + self.nosort = !!options.nosort + self.nocase = !!options.nocase + self.stat = !!options.stat + self.noprocess = !!options.noprocess + + self.maxLength = options.maxLength || Infinity + self.cache = options.cache || Object.create(null) + self.statCache = options.statCache || Object.create(null) + self.symlinks = options.symlinks || Object.create(null) + + setupIgnores(self, options) + + self.changedCwd = false + var cwd = process.cwd() + if (!ownProp(options, "cwd")) + self.cwd = cwd + else { + self.cwd = options.cwd + self.changedCwd = path.resolve(options.cwd) !== cwd + } + + self.root = options.root || path.resolve(self.cwd, "/") + self.root = path.resolve(self.root) + if (process.platform === "win32") + self.root = self.root.replace(/\\/g, "/") + + self.nomount = !!options.nomount + + // disable comments and negation unless the user explicitly + // passes in false as the option. + options.nonegate = options.nonegate === false ? false : true + options.nocomment = options.nocomment === false ? false : true + deprecationWarning(options) + + self.minimatch = new Minimatch(pattern, options) + self.options = self.minimatch.options +} + +// TODO(isaacs): remove entirely in v6 +// exported to reset in tests +exports.deprecationWarned +function deprecationWarning(options) { + if (!options.nonegate || !options.nocomment) { + if (process.noDeprecation !== true && !exports.deprecationWarned) { + var msg = 'glob WARNING: comments and negation will be disabled in v6' + if (process.throwDeprecation) + throw new Error(msg) + else if (process.traceDeprecation) + console.trace(msg) + else + console.error(msg) + + exports.deprecationWarned = true + } + } +} + +function finish (self) { + var nou = self.nounique + var all = nou ? [] : Object.create(null) + + for (var i = 0, l = self.matches.length; i < l; i ++) { + var matches = self.matches[i] + if (!matches || Object.keys(matches).length === 0) { + if (self.nonull) { + // do like the shell, and spit out the literal glob + var literal = self.minimatch.globSet[i] + if (nou) + all.push(literal) + else + all[literal] = true + } + } else { + // had matches + var m = Object.keys(matches) + if (nou) + all.push.apply(all, m) + else + m.forEach(function (m) { + all[m] = true + }) + } + } + + if (!nou) + all = Object.keys(all) + + if (!self.nosort) + all = all.sort(self.nocase ? alphasorti : alphasort) + + // at *some* point we statted all of these + if (self.mark) { + for (var i = 0; i < all.length; i++) { + all[i] = self._mark(all[i]) + } + if (self.nodir) { + all = all.filter(function (e) { + return !(/\/$/.test(e)) + }) + } + } + + if (self.ignore.length) + all = all.filter(function(m) { + return !isIgnored(self, m) + }) + + self.found = all +} + +function mark (self, p) { + var abs = makeAbs(self, p) + var c = self.cache[abs] + var m = p + if (c) { + var isDir = c === 'DIR' || Array.isArray(c) + var slash = p.slice(-1) === '/' + + if (isDir && !slash) + m += '/' + else if (!isDir && slash) + m = m.slice(0, -1) + + if (m !== p) { + var mabs = makeAbs(self, m) + self.statCache[mabs] = self.statCache[abs] + self.cache[mabs] = self.cache[abs] + } + } + + return m +} + +// lotta situps... +function makeAbs (self, f) { + var abs = f + if (f.charAt(0) === '/') { + abs = path.join(self.root, f) + } else if (isAbsolute(f) || f === '') { + abs = f + } else if (self.changedCwd) { + abs = path.resolve(self.cwd, f) + } else { + abs = path.resolve(f) + } + return abs +} + + +// Return true, if pattern ends with globstar '**', for the accompanying parent directory. +// Ex:- If node_modules/** is the pattern, add 'node_modules' to ignore list along with it's contents +function isIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return item.matcher.match(path) || !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +function childrenIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +}).call(this,require('_process')) +},{"_process":24,"minimatch":20,"path":22,"path-is-absolute":23}],16:[function(require,module,exports){ +(function (process){ +// Approach: +// +// 1. Get the minimatch set +// 2. For each pattern in the set, PROCESS(pattern, false) +// 3. Store matches per-set, then uniq them +// +// PROCESS(pattern, inGlobStar) +// Get the first [n] items from pattern that are all strings +// Join these together. This is PREFIX. +// If there is no more remaining, then stat(PREFIX) and +// add to matches if it succeeds. END. +// +// If inGlobStar and PREFIX is symlink and points to dir +// set ENTRIES = [] +// else readdir(PREFIX) as ENTRIES +// If fail, END +// +// with ENTRIES +// If pattern[n] is GLOBSTAR +// // handle the case where the globstar match is empty +// // by pruning it out, and testing the resulting pattern +// PROCESS(pattern[0..n] + pattern[n+1 .. $], false) +// // handle other cases. +// for ENTRY in ENTRIES (not dotfiles) +// // attach globstar + tail onto the entry +// // Mark that this entry is a globstar match +// PROCESS(pattern[0..n] + ENTRY + pattern[n .. $], true) +// +// else // not globstar +// for ENTRY in ENTRIES (not dotfiles, unless pattern[n] is dot) +// Test ENTRY against pattern[n] +// If fails, continue +// If passes, PROCESS(pattern[0..n] + item + pattern[n+1 .. $]) +// +// Caveat: +// Cache all stats and readdirs results to minimize syscall. Since all +// we ever care about is existence and directory-ness, we can just keep +// `true` for files, and [children,...] for directories, or `false` for +// things that don't exist. + +module.exports = glob + +var fs = require('fs') +var minimatch = require('minimatch') +var Minimatch = minimatch.Minimatch +var inherits = require('inherits') +var EE = require('events').EventEmitter +var path = require('path') +var assert = require('assert') +var isAbsolute = require('path-is-absolute') +var globSync = require('./sync.js') +var common = require('./common.js') +var alphasort = common.alphasort +var alphasorti = common.alphasorti +var setopts = common.setopts +var ownProp = common.ownProp +var inflight = require('inflight') +var util = require('util') +var childrenIgnored = common.childrenIgnored +var isIgnored = common.isIgnored + +var once = require('once') + +function glob (pattern, options, cb) { + if (typeof options === 'function') cb = options, options = {} + if (!options) options = {} + + if (options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return globSync(pattern, options) + } + + return new Glob(pattern, options, cb) +} + +glob.sync = globSync +var GlobSync = glob.GlobSync = globSync.GlobSync + +// old api surface +glob.glob = glob + +glob.hasMagic = function (pattern, options_) { + var options = util._extend({}, options_) + options.noprocess = true + + var g = new Glob(pattern, options) + var set = g.minimatch.set + if (set.length > 1) + return true + + for (var j = 0; j < set[0].length; j++) { + if (typeof set[0][j] !== 'string') + return true + } + + return false +} + +glob.Glob = Glob +inherits(Glob, EE) +function Glob (pattern, options, cb) { + if (typeof options === 'function') { + cb = options + options = null + } + + if (options && options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return new GlobSync(pattern, options) + } + + if (!(this instanceof Glob)) + return new Glob(pattern, options, cb) + + setopts(this, pattern, options) + this._didRealPath = false + + // process each pattern in the minimatch set + var n = this.minimatch.set.length + + // The matches are stored as {: true,...} so that + // duplicates are automagically pruned. + // Later, we do an Object.keys() on these. + // Keep them as a list so we can fill in when nonull is set. + this.matches = new Array(n) + + if (typeof cb === 'function') { + cb = once(cb) + this.on('error', cb) + this.on('end', function (matches) { + cb(null, matches) + }) + } + + var self = this + var n = this.minimatch.set.length + this._processing = 0 + this.matches = new Array(n) + + this._emitQueue = [] + this._processQueue = [] + this.paused = false + + if (this.noprocess) + return this + + if (n === 0) + return done() + + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false, done) + } + + function done () { + --self._processing + if (self._processing <= 0) + self._finish() + } +} + +Glob.prototype._finish = function () { + assert(this instanceof Glob) + if (this.aborted) + return + + if (this.realpath && !this._didRealpath) + return this._realpath() + + common.finish(this) + this.emit('end', this.found) +} + +Glob.prototype._realpath = function () { + if (this._didRealpath) + return + + this._didRealpath = true + + var n = this.matches.length + if (n === 0) + return this._finish() + + var self = this + for (var i = 0; i < this.matches.length; i++) + this._realpathSet(i, next) + + function next () { + if (--n === 0) + self._finish() + } +} + +Glob.prototype._realpathSet = function (index, cb) { + var matchset = this.matches[index] + if (!matchset) + return cb() + + var found = Object.keys(matchset) + var self = this + var n = found.length + + if (n === 0) + return cb() + + var set = this.matches[index] = Object.create(null) + found.forEach(function (p, i) { + // If there's a problem with the stat, then it means that + // one or more of the links in the realpath couldn't be + // resolved. just return the abs value in that case. + p = self._makeAbs(p) + fs.realpath(p, self.realpathCache, function (er, real) { + if (!er) + set[real] = true + else if (er.syscall === 'stat') + set[p] = true + else + self.emit('error', er) // srsly wtf right here + + if (--n === 0) { + self.matches[index] = set + cb() + } + }) + }) +} + +Glob.prototype._mark = function (p) { + return common.mark(this, p) +} + +Glob.prototype._makeAbs = function (f) { + return common.makeAbs(this, f) +} + +Glob.prototype.abort = function () { + this.aborted = true + this.emit('abort') +} + +Glob.prototype.pause = function () { + if (!this.paused) { + this.paused = true + this.emit('pause') + } +} + +Glob.prototype.resume = function () { + if (this.paused) { + this.emit('resume') + this.paused = false + if (this._emitQueue.length) { + var eq = this._emitQueue.slice(0) + this._emitQueue.length = 0 + for (var i = 0; i < eq.length; i ++) { + var e = eq[i] + this._emitMatch(e[0], e[1]) + } + } + if (this._processQueue.length) { + var pq = this._processQueue.slice(0) + this._processQueue.length = 0 + for (var i = 0; i < pq.length; i ++) { + var p = pq[i] + this._processing-- + this._process(p[0], p[1], p[2], p[3]) + } + } + } +} + +Glob.prototype._process = function (pattern, index, inGlobStar, cb) { + assert(this instanceof Glob) + assert(typeof cb === 'function') + + if (this.aborted) + return + + this._processing++ + if (this.paused) { + this._processQueue.push([pattern, index, inGlobStar, cb]) + return + } + + //console.error('PROCESS %d', this._processing, pattern) + + // Get the first [n] parts of pattern that are all strings. + var n = 0 + while (typeof pattern[n] === 'string') { + n ++ + } + // now n is the index of the first one that is *not* a string. + + // see if there's anything else + var prefix + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index, cb) + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/') + break + } + + var remain = pattern.slice(n) + + // get the list of entries. + var read + if (prefix === null) + read = '.' + else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) { + if (!prefix || !isAbsolute(prefix)) + prefix = '/' + prefix + read = prefix + } else + read = prefix + + var abs = this._makeAbs(read) + + //if ignored, skip _processing + if (childrenIgnored(this, read)) + return cb() + + var isGlobStar = remain[0] === minimatch.GLOBSTAR + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar, cb) + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar, cb) +} + +Glob.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this + this._readdir(abs, inGlobStar, function (er, entries) { + return self._processReaddir2(prefix, read, abs, remain, index, inGlobStar, entries, cb) + }) +} + +Glob.prototype._processReaddir2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return cb() + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0] + var negate = !!this.minimatch.negate + var rawGlob = pn._glob + var dotOk = this.dot || rawGlob.charAt(0) === '.' + + var matchedEntries = [] + for (var i = 0; i < entries.length; i++) { + var e = entries[i] + if (e.charAt(0) !== '.' || dotOk) { + var m + if (negate && !prefix) { + m = !e.match(pn) + } else { + m = e.match(pn) + } + if (m) + matchedEntries.push(e) + } + } + + //console.error('prd2', prefix, entries, remain[0]._glob, matchedEntries) + + var len = matchedEntries.length + // If there are no matched entries, then nothing matches. + if (len === 0) + return cb() + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path.join(this.root, e) + } + this._emitMatch(index, e) + } + // This was the last one, and no stats were needed + return cb() + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift() + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + var newPattern + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + this._process([e].concat(remain), index, inGlobStar, cb) + } + cb() +} + +Glob.prototype._emitMatch = function (index, e) { + if (this.aborted) + return + + if (this.matches[index][e]) + return + + if (isIgnored(this, e)) + return + + if (this.paused) { + this._emitQueue.push([index, e]) + return + } + + var abs = this._makeAbs(e) + + if (this.nodir) { + var c = this.cache[abs] + if (c === 'DIR' || Array.isArray(c)) + return + } + + if (this.mark) + e = this._mark(e) + + this.matches[index][e] = true + + var st = this.statCache[abs] + if (st) + this.emit('stat', e, st) + + this.emit('match', e) +} + +Glob.prototype._readdirInGlobStar = function (abs, cb) { + if (this.aborted) + return + + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false, cb) + + var lstatkey = 'lstat\0' + abs + var self = this + var lstatcb = inflight(lstatkey, lstatcb_) + + if (lstatcb) + fs.lstat(abs, lstatcb) + + function lstatcb_ (er, lstat) { + if (er) + return cb() + + var isSym = lstat.isSymbolicLink() + self.symlinks[abs] = isSym + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && !lstat.isDirectory()) { + self.cache[abs] = 'FILE' + cb() + } else + self._readdir(abs, false, cb) + } +} + +Glob.prototype._readdir = function (abs, inGlobStar, cb) { + if (this.aborted) + return + + cb = inflight('readdir\0'+abs+'\0'+inGlobStar, cb) + if (!cb) + return + + //console.error('RD %j %j', +inGlobStar, abs) + if (inGlobStar && !ownProp(this.symlinks, abs)) + return this._readdirInGlobStar(abs, cb) + + if (ownProp(this.cache, abs)) { + var c = this.cache[abs] + if (!c || c === 'FILE') + return cb() + + if (Array.isArray(c)) + return cb(null, c) + } + + var self = this + fs.readdir(abs, readdirCb(this, abs, cb)) +} + +function readdirCb (self, abs, cb) { + return function (er, entries) { + if (er) + self._readdirError(abs, er, cb) + else + self._readdirEntries(abs, entries, cb) + } +} + +Glob.prototype._readdirEntries = function (abs, entries, cb) { + if (this.aborted) + return + + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i] + if (abs === '/') + e = abs + e + else + e = abs + '/' + e + this.cache[e] = true + } + } + + this.cache[abs] = entries + return cb(null, entries) +} + +Glob.prototype._readdirError = function (f, er, cb) { + if (this.aborted) + return + + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + this.cache[this._makeAbs(f)] = 'FILE' + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false + if (this.strict) { + this.emit('error', er) + // If the error is handled, then we abort + // if not, we threw out of here + this.abort() + } + if (!this.silent) + console.error('glob error', er) + break + } + + return cb() +} + +Glob.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this + this._readdir(abs, inGlobStar, function (er, entries) { + self._processGlobStar2(prefix, read, abs, remain, index, inGlobStar, entries, cb) + }) +} + + +Glob.prototype._processGlobStar2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + //console.error('pgs2', prefix, remain[0], entries) + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return cb() + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1) + var gspref = prefix ? [ prefix ] : [] + var noGlobStar = gspref.concat(remainWithoutGlobStar) + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false, cb) + + var isSym = this.symlinks[abs] + var len = entries.length + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return cb() + + for (var i = 0; i < len; i++) { + var e = entries[i] + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar) + this._process(instead, index, true, cb) + + var below = gspref.concat(entries[i], remain) + this._process(below, index, true, cb) + } + + cb() +} + +Glob.prototype._processSimple = function (prefix, index, cb) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var self = this + this._stat(prefix, function (er, exists) { + self._processSimple2(prefix, index, er, exists, cb) + }) +} +Glob.prototype._processSimple2 = function (prefix, index, er, exists, cb) { + + //console.error('ps2', prefix, exists) + + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return cb() + + if (prefix && isAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix) + if (prefix.charAt(0) === '/') { + prefix = path.join(this.root, prefix) + } else { + prefix = path.resolve(this.root, prefix) + if (trail) + prefix += '/' + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/') + + // Mark this as a match + this._emitMatch(index, prefix) + cb() +} + +// Returns either 'DIR', 'FILE', or false +Glob.prototype._stat = function (f, cb) { + var abs = this._makeAbs(f) + var needDir = f.slice(-1) === '/' + + if (f.length > this.maxLength) + return cb() + + if (!this.stat && ownProp(this.cache, abs)) { + var c = this.cache[abs] + + if (Array.isArray(c)) + c = 'DIR' + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return cb(null, c) + + if (needDir && c === 'FILE') + return cb() + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + + var exists + var stat = this.statCache[abs] + if (stat !== undefined) { + if (stat === false) + return cb(null, stat) + else { + var type = stat.isDirectory() ? 'DIR' : 'FILE' + if (needDir && type === 'FILE') + return cb() + else + return cb(null, type, stat) + } + } + + var self = this + var statcb = inflight('stat\0' + abs, lstatcb_) + if (statcb) + fs.lstat(abs, statcb) + + function lstatcb_ (er, lstat) { + if (lstat && lstat.isSymbolicLink()) { + // If it's a symlink, then treat it as the target, unless + // the target does not exist, then treat it as a file. + return fs.stat(abs, function (er, stat) { + if (er) + self._stat2(f, abs, null, lstat, cb) + else + self._stat2(f, abs, er, stat, cb) + }) + } else { + self._stat2(f, abs, er, lstat, cb) + } + } +} + +Glob.prototype._stat2 = function (f, abs, er, stat, cb) { + if (er) { + this.statCache[abs] = false + return cb() + } + + var needDir = f.slice(-1) === '/' + this.statCache[abs] = stat + + if (abs.slice(-1) === '/' && !stat.isDirectory()) + return cb(null, false, stat) + + var c = stat.isDirectory() ? 'DIR' : 'FILE' + this.cache[abs] = this.cache[abs] || c + + if (needDir && c !== 'DIR') + return cb() + + return cb(null, c, stat) +} + +}).call(this,require('_process')) +},{"./common.js":15,"./sync.js":17,"_process":24,"assert":9,"events":14,"fs":12,"inflight":18,"inherits":19,"minimatch":20,"once":21,"path":22,"path-is-absolute":23,"util":28}],17:[function(require,module,exports){ +(function (process){ +module.exports = globSync +globSync.GlobSync = GlobSync + +var fs = require('fs') +var minimatch = require('minimatch') +var Minimatch = minimatch.Minimatch +var Glob = require('./glob.js').Glob +var util = require('util') +var path = require('path') +var assert = require('assert') +var isAbsolute = require('path-is-absolute') +var common = require('./common.js') +var alphasort = common.alphasort +var alphasorti = common.alphasorti +var setopts = common.setopts +var ownProp = common.ownProp +var childrenIgnored = common.childrenIgnored + +function globSync (pattern, options) { + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + return new GlobSync(pattern, options).found +} + +function GlobSync (pattern, options) { + if (!pattern) + throw new Error('must provide pattern') + + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + if (!(this instanceof GlobSync)) + return new GlobSync(pattern, options) + + setopts(this, pattern, options) + + if (this.noprocess) + return this + + var n = this.minimatch.set.length + this.matches = new Array(n) + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false) + } + this._finish() +} + +GlobSync.prototype._finish = function () { + assert(this instanceof GlobSync) + if (this.realpath) { + var self = this + this.matches.forEach(function (matchset, index) { + var set = self.matches[index] = Object.create(null) + for (var p in matchset) { + try { + p = self._makeAbs(p) + var real = fs.realpathSync(p, self.realpathCache) + set[real] = true + } catch (er) { + if (er.syscall === 'stat') + set[self._makeAbs(p)] = true + else + throw er + } + } + }) + } + common.finish(this) +} + + +GlobSync.prototype._process = function (pattern, index, inGlobStar) { + assert(this instanceof GlobSync) + + // Get the first [n] parts of pattern that are all strings. + var n = 0 + while (typeof pattern[n] === 'string') { + n ++ + } + // now n is the index of the first one that is *not* a string. + + // See if there's anything else + var prefix + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index) + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/') + break + } + + var remain = pattern.slice(n) + + // get the list of entries. + var read + if (prefix === null) + read = '.' + else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) { + if (!prefix || !isAbsolute(prefix)) + prefix = '/' + prefix + read = prefix + } else + read = prefix + + var abs = this._makeAbs(read) + + //if ignored, skip processing + if (childrenIgnored(this, read)) + return + + var isGlobStar = remain[0] === minimatch.GLOBSTAR + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar) + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar) +} + + +GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) { + var entries = this._readdir(abs, inGlobStar) + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0] + var negate = !!this.minimatch.negate + var rawGlob = pn._glob + var dotOk = this.dot || rawGlob.charAt(0) === '.' + + var matchedEntries = [] + for (var i = 0; i < entries.length; i++) { + var e = entries[i] + if (e.charAt(0) !== '.' || dotOk) { + var m + if (negate && !prefix) { + m = !e.match(pn) + } else { + m = e.match(pn) + } + if (m) + matchedEntries.push(e) + } + } + + var len = matchedEntries.length + // If there are no matched entries, then nothing matches. + if (len === 0) + return + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + if (prefix) { + if (prefix.slice(-1) !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path.join(this.root, e) + } + this.matches[index][e] = true + } + // This was the last one, and no stats were needed + return + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift() + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + var newPattern + if (prefix) + newPattern = [prefix, e] + else + newPattern = [e] + this._process(newPattern.concat(remain), index, inGlobStar) + } +} + + +GlobSync.prototype._emitMatch = function (index, e) { + var abs = this._makeAbs(e) + if (this.mark) + e = this._mark(e) + + if (this.matches[index][e]) + return + + if (this.nodir) { + var c = this.cache[this._makeAbs(e)] + if (c === 'DIR' || Array.isArray(c)) + return + } + + this.matches[index][e] = true + if (this.stat) + this._stat(e) +} + + +GlobSync.prototype._readdirInGlobStar = function (abs) { + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false) + + var entries + var lstat + var stat + try { + lstat = fs.lstatSync(abs) + } catch (er) { + // lstat failed, doesn't exist + return null + } + + var isSym = lstat.isSymbolicLink() + this.symlinks[abs] = isSym + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && !lstat.isDirectory()) + this.cache[abs] = 'FILE' + else + entries = this._readdir(abs, false) + + return entries +} + +GlobSync.prototype._readdir = function (abs, inGlobStar) { + var entries + + if (inGlobStar && !ownProp(this.symlinks, abs)) + return this._readdirInGlobStar(abs) + + if (ownProp(this.cache, abs)) { + var c = this.cache[abs] + if (!c || c === 'FILE') + return null + + if (Array.isArray(c)) + return c + } + + try { + return this._readdirEntries(abs, fs.readdirSync(abs)) + } catch (er) { + this._readdirError(abs, er) + return null + } +} + +GlobSync.prototype._readdirEntries = function (abs, entries) { + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i] + if (abs === '/') + e = abs + e + else + e = abs + '/' + e + this.cache[e] = true + } + } + + this.cache[abs] = entries + + // mark and cache dir-ness + return entries +} + +GlobSync.prototype._readdirError = function (f, er) { + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + this.cache[this._makeAbs(f)] = 'FILE' + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false + if (this.strict) + throw er + if (!this.silent) + console.error('glob error', er) + break + } +} + +GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) { + + var entries = this._readdir(abs, inGlobStar) + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1) + var gspref = prefix ? [ prefix ] : [] + var noGlobStar = gspref.concat(remainWithoutGlobStar) + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false) + + var len = entries.length + var isSym = this.symlinks[abs] + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return + + for (var i = 0; i < len; i++) { + var e = entries[i] + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar) + this._process(instead, index, true) + + var below = gspref.concat(entries[i], remain) + this._process(below, index, true) + } +} + +GlobSync.prototype._processSimple = function (prefix, index) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var exists = this._stat(prefix) + + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return + + if (prefix && isAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix) + if (prefix.charAt(0) === '/') { + prefix = path.join(this.root, prefix) + } else { + prefix = path.resolve(this.root, prefix) + if (trail) + prefix += '/' + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/') + + // Mark this as a match + this.matches[index][prefix] = true +} + +// Returns either 'DIR', 'FILE', or false +GlobSync.prototype._stat = function (f) { + var abs = this._makeAbs(f) + var needDir = f.slice(-1) === '/' + + if (f.length > this.maxLength) + return false + + if (!this.stat && ownProp(this.cache, abs)) { + var c = this.cache[abs] + + if (Array.isArray(c)) + c = 'DIR' + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return c + + if (needDir && c === 'FILE') + return false + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + + var exists + var stat = this.statCache[abs] + if (!stat) { + var lstat + try { + lstat = fs.lstatSync(abs) + } catch (er) { + return false + } + + if (lstat.isSymbolicLink()) { + try { + stat = fs.statSync(abs) + } catch (er) { + stat = lstat + } + } else { + stat = lstat + } + } + + this.statCache[abs] = stat + + var c = stat.isDirectory() ? 'DIR' : 'FILE' + this.cache[abs] = this.cache[abs] || c + + if (needDir && c !== 'DIR') + return false + + return c +} + +GlobSync.prototype._mark = function (p) { + return common.mark(this, p) +} + +GlobSync.prototype._makeAbs = function (f) { + return common.makeAbs(this, f) +} + +}).call(this,require('_process')) +},{"./common.js":15,"./glob.js":16,"_process":24,"assert":9,"fs":12,"minimatch":20,"path":22,"path-is-absolute":23,"util":28}],18:[function(require,module,exports){ +(function (process){ +var wrappy = require('wrappy') +var reqs = Object.create(null) +var once = require('once') + +module.exports = wrappy(inflight) + +function inflight (key, cb) { + if (reqs[key]) { + reqs[key].push(cb) + return null + } else { + reqs[key] = [cb] + return makeres(key) + } +} + +function makeres (key) { + return once(function RES () { + var cbs = reqs[key] + var len = cbs.length + var args = slice(arguments) + + // XXX It's somewhat ambiguous whether a new callback added in this + // pass should be queued for later execution if something in the + // list of callbacks throws, or if it should just be discarded. + // However, it's such an edge case that it hardly matters, and either + // choice is likely as surprising as the other. + // As it happens, we do go ahead and schedule it for later execution. + try { + for (var i = 0; i < len; i++) { + cbs[i].apply(null, args) + } + } finally { + if (cbs.length > len) { + // added more in the interim. + // de-zalgo, just in case, but don't call again. + cbs.splice(0, len) + process.nextTick(function () { + RES.apply(null, args) + }) + } else { + delete reqs[key] + } + } + }) +} + +function slice (args) { + var length = args.length + var array = [] + + for (var i = 0; i < length; i++) array[i] = args[i] + return array +} + +}).call(this,require('_process')) +},{"_process":24,"once":21,"wrappy":29}],19:[function(require,module,exports){ +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } +} + +},{}],20:[function(require,module,exports){ +module.exports = minimatch +minimatch.Minimatch = Minimatch + +var path = { sep: '/' } +try { + path = require('path') +} catch (er) {} + +var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {} +var expand = require('brace-expansion') + +var plTypes = { + '!': { open: '(?:(?!(?:', close: '))[^/]*?)'}, + '?': { open: '(?:', close: ')?' }, + '+': { open: '(?:', close: ')+' }, + '*': { open: '(?:', close: ')*' }, + '@': { open: '(?:', close: ')' } +} + +// any single thing other than / +// don't need to escape / when using new RegExp() +var qmark = '[^/]' + +// * => any number of characters +var star = qmark + '*?' + +// ** when dots are allowed. Anything goes, except .. and . +// not (^ or / followed by one or two dots followed by $ or /), +// followed by anything, any number of times. +var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?' + +// not a ^ or / followed by a dot, +// followed by anything, any number of times. +var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?' + +// characters that need to be escaped in RegExp. +var reSpecials = charSet('().*{}+?[]^$\\!') + +// "abc" -> { a:true, b:true, c:true } +function charSet (s) { + return s.split('').reduce(function (set, c) { + set[c] = true + return set + }, {}) +} + +// normalizes slashes. +var slashSplit = /\/+/ + +minimatch.filter = filter +function filter (pattern, options) { + options = options || {} + return function (p, i, list) { + return minimatch(p, pattern, options) + } +} + +function ext (a, b) { + a = a || {} + b = b || {} + var t = {} + Object.keys(b).forEach(function (k) { + t[k] = b[k] + }) + Object.keys(a).forEach(function (k) { + t[k] = a[k] + }) + return t +} + +minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return minimatch + + var orig = minimatch + + var m = function minimatch (p, pattern, options) { + return orig.minimatch(p, pattern, ext(def, options)) + } + + m.Minimatch = function Minimatch (pattern, options) { + return new orig.Minimatch(pattern, ext(def, options)) + } + + return m +} + +Minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return Minimatch + return minimatch.defaults(def).Minimatch +} + +function minimatch (p, pattern, options) { + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {} + + // shortcut: comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + return false + } + + // "" only matches "" + if (pattern.trim() === '') return p === '' + + return new Minimatch(pattern, options).match(p) +} + +function Minimatch (pattern, options) { + if (!(this instanceof Minimatch)) { + return new Minimatch(pattern, options) + } + + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {} + pattern = pattern.trim() + + // windows support: need to use /, not \ + if (path.sep !== '/') { + pattern = pattern.split(path.sep).join('/') + } + + this.options = options + this.set = [] + this.pattern = pattern + this.regexp = null + this.negate = false + this.comment = false + this.empty = false + + // make the set of regexps etc. + this.make() +} + +Minimatch.prototype.debug = function () {} + +Minimatch.prototype.make = make +function make () { + // don't do it more than once. + if (this._made) return + + var pattern = this.pattern + var options = this.options + + // empty patterns and comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + this.comment = true + return + } + if (!pattern) { + this.empty = true + return + } + + // step 1: figure out negation, etc. + this.parseNegate() + + // step 2: expand braces + var set = this.globSet = this.braceExpand() + + if (options.debug) this.debug = console.error + + this.debug(this.pattern, set) + + // step 3: now we have a set, so turn each one into a series of path-portion + // matching patterns. + // These will be regexps, except in the case of "**", which is + // set to the GLOBSTAR object for globstar behavior, + // and will not contain any / characters + set = this.globParts = set.map(function (s) { + return s.split(slashSplit) + }) + + this.debug(this.pattern, set) + + // glob --> regexps + set = set.map(function (s, si, set) { + return s.map(this.parse, this) + }, this) + + this.debug(this.pattern, set) + + // filter out everything that didn't compile properly. + set = set.filter(function (s) { + return s.indexOf(false) === -1 + }) + + this.debug(this.pattern, set) + + this.set = set +} + +Minimatch.prototype.parseNegate = parseNegate +function parseNegate () { + var pattern = this.pattern + var negate = false + var options = this.options + var negateOffset = 0 + + if (options.nonegate) return + + for (var i = 0, l = pattern.length + ; i < l && pattern.charAt(i) === '!' + ; i++) { + negate = !negate + negateOffset++ + } + + if (negateOffset) this.pattern = pattern.substr(negateOffset) + this.negate = negate +} + +// Brace expansion: +// a{b,c}d -> abd acd +// a{b,}c -> abc ac +// a{0..3}d -> a0d a1d a2d a3d +// a{b,c{d,e}f}g -> abg acdfg acefg +// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg +// +// Invalid sets are not expanded. +// a{2..}b -> a{2..}b +// a{b}c -> a{b}c +minimatch.braceExpand = function (pattern, options) { + return braceExpand(pattern, options) +} + +Minimatch.prototype.braceExpand = braceExpand + +function braceExpand (pattern, options) { + if (!options) { + if (this instanceof Minimatch) { + options = this.options + } else { + options = {} + } + } + + pattern = typeof pattern === 'undefined' + ? this.pattern : pattern + + if (typeof pattern === 'undefined') { + throw new TypeError('undefined pattern') + } + + if (options.nobrace || + !pattern.match(/\{.*\}/)) { + // shortcut. no need to expand. + return [pattern] + } + + return expand(pattern) +} + +// parse a component of the expanded set. +// At this point, no pattern may contain "/" in it +// so we're going to return a 2d array, where each entry is the full +// pattern, split on '/', and then turned into a regular expression. +// A regexp is made at the end which joins each array with an +// escaped /, and another full one which joins each regexp with |. +// +// Following the lead of Bash 4.1, note that "**" only has special meaning +// when it is the *only* thing in a path portion. Otherwise, any series +// of * is equivalent to a single *. Globstar behavior is enabled by +// default, and can be disabled by setting options.noglobstar. +Minimatch.prototype.parse = parse +var SUBPARSE = {} +function parse (pattern, isSub) { + if (pattern.length > 1024 * 64) { + throw new TypeError('pattern is too long') + } + + var options = this.options + + // shortcuts + if (!options.noglobstar && pattern === '**') return GLOBSTAR + if (pattern === '') return '' + + var re = '' + var hasMagic = !!options.nocase + var escaping = false + // ? => one single character + var patternListStack = [] + var negativeLists = [] + var stateChar + var inClass = false + var reClassStart = -1 + var classStart = -1 + // . and .. never match anything that doesn't start with ., + // even when options.dot is set. + var patternStart = pattern.charAt(0) === '.' ? '' // anything + // not (start or / followed by . or .. followed by / or end) + : options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))' + : '(?!\\.)' + var self = this + + function clearStateChar () { + if (stateChar) { + // we had some state-tracking character + // that wasn't consumed by this pass. + switch (stateChar) { + case '*': + re += star + hasMagic = true + break + case '?': + re += qmark + hasMagic = true + break + default: + re += '\\' + stateChar + break + } + self.debug('clearStateChar %j %j', stateChar, re) + stateChar = false + } + } + + for (var i = 0, len = pattern.length, c + ; (i < len) && (c = pattern.charAt(i)) + ; i++) { + this.debug('%s\t%s %s %j', pattern, i, re, c) + + // skip over any that are escaped. + if (escaping && reSpecials[c]) { + re += '\\' + c + escaping = false + continue + } + + switch (c) { + case '/': + // completely not allowed, even escaped. + // Should already be path-split by now. + return false + + case '\\': + clearStateChar() + escaping = true + continue + + // the various stateChar values + // for the "extglob" stuff. + case '?': + case '*': + case '+': + case '@': + case '!': + this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c) + + // all of those are literals inside a class, except that + // the glob [!a] means [^a] in regexp + if (inClass) { + this.debug(' in class') + if (c === '!' && i === classStart + 1) c = '^' + re += c + continue + } + + // if we already have a stateChar, then it means + // that there was something like ** or +? in there. + // Handle the stateChar, then proceed with this one. + self.debug('call clearStateChar %j', stateChar) + clearStateChar() + stateChar = c + // if extglob is disabled, then +(asdf|foo) isn't a thing. + // just clear the statechar *now*, rather than even diving into + // the patternList stuff. + if (options.noext) clearStateChar() + continue + + case '(': + if (inClass) { + re += '(' + continue + } + + if (!stateChar) { + re += '\\(' + continue + } + + patternListStack.push({ + type: stateChar, + start: i - 1, + reStart: re.length, + open: plTypes[stateChar].open, + close: plTypes[stateChar].close + }) + // negation is (?:(?!js)[^/]*) + re += stateChar === '!' ? '(?:(?!(?:' : '(?:' + this.debug('plType %j %j', stateChar, re) + stateChar = false + continue + + case ')': + if (inClass || !patternListStack.length) { + re += '\\)' + continue + } + + clearStateChar() + hasMagic = true + var pl = patternListStack.pop() + // negation is (?:(?!js)[^/]*) + // The others are (?:) + re += pl.close + if (pl.type === '!') { + negativeLists.push(pl) + } + pl.reEnd = re.length + continue + + case '|': + if (inClass || !patternListStack.length || escaping) { + re += '\\|' + escaping = false + continue + } + + clearStateChar() + re += '|' + continue + + // these are mostly the same in regexp and glob + case '[': + // swallow any state-tracking char before the [ + clearStateChar() + + if (inClass) { + re += '\\' + c + continue + } + + inClass = true + classStart = i + reClassStart = re.length + re += c + continue + + case ']': + // a right bracket shall lose its special + // meaning and represent itself in + // a bracket expression if it occurs + // first in the list. -- POSIX.2 2.8.3.2 + if (i === classStart + 1 || !inClass) { + re += '\\' + c + escaping = false + continue + } + + // handle the case where we left a class open. + // "[z-a]" is valid, equivalent to "\[z-a\]" + if (inClass) { + // split where the last [ was, make sure we don't have + // an invalid re. if so, re-walk the contents of the + // would-be class to re-translate any characters that + // were passed through as-is + // TODO: It would probably be faster to determine this + // without a try/catch and a new RegExp, but it's tricky + // to do safely. For now, this is safe and works. + var cs = pattern.substring(classStart + 1, i) + try { + RegExp('[' + cs + ']') + } catch (er) { + // not a valid class! + var sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]' + hasMagic = hasMagic || sp[1] + inClass = false + continue + } + } + + // finish up the class. + hasMagic = true + inClass = false + re += c + continue + + default: + // swallow any state char that wasn't consumed + clearStateChar() + + if (escaping) { + // no need + escaping = false + } else if (reSpecials[c] + && !(c === '^' && inClass)) { + re += '\\' + } + + re += c + + } // switch + } // for + + // handle the case where we left a class open. + // "[abc" is valid, equivalent to "\[abc" + if (inClass) { + // split where the last [ was, and escape it + // this is a huge pita. We now have to re-walk + // the contents of the would-be class to re-translate + // any characters that were passed through as-is + cs = pattern.substr(classStart + 1) + sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + hasMagic = hasMagic || sp[1] + } + + // handle the case where we had a +( thing at the *end* + // of the pattern. + // each pattern list stack adds 3 chars, and we need to go through + // and escape any | chars that were passed through as-is for the regexp. + // Go through and escape them, taking care not to double-escape any + // | chars that were already escaped. + for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) { + var tail = re.slice(pl.reStart + pl.open.length) + this.debug('setting tail', re, pl) + // maybe some even number of \, then maybe 1 \, followed by a | + tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) { + if (!$2) { + // the | isn't already escaped, so escape it. + $2 = '\\' + } + + // need to escape all those slashes *again*, without escaping the + // one that we need for escaping the | character. As it works out, + // escaping an even number of slashes can be done by simply repeating + // it exactly after itself. That's why this trick works. + // + // I am sorry that you have to see this. + return $1 + $1 + $2 + '|' + }) + + this.debug('tail=%j\n %s', tail, tail, pl, re) + var t = pl.type === '*' ? star + : pl.type === '?' ? qmark + : '\\' + pl.type + + hasMagic = true + re = re.slice(0, pl.reStart) + t + '\\(' + tail + } + + // handle trailing things that only matter at the very end. + clearStateChar() + if (escaping) { + // trailing \\ + re += '\\\\' + } + + // only need to apply the nodot start if the re starts with + // something that could conceivably capture a dot + var addPatternStart = false + switch (re.charAt(0)) { + case '.': + case '[': + case '(': addPatternStart = true + } + + // Hack to work around lack of negative lookbehind in JS + // A pattern like: *.!(x).!(y|z) needs to ensure that a name + // like 'a.xyz.yz' doesn't match. So, the first negative + // lookahead, has to look ALL the way ahead, to the end of + // the pattern. + for (var n = negativeLists.length - 1; n > -1; n--) { + var nl = negativeLists[n] + + var nlBefore = re.slice(0, nl.reStart) + var nlFirst = re.slice(nl.reStart, nl.reEnd - 8) + var nlLast = re.slice(nl.reEnd - 8, nl.reEnd) + var nlAfter = re.slice(nl.reEnd) + + nlLast += nlAfter + + // Handle nested stuff like *(*.js|!(*.json)), where open parens + // mean that we should *not* include the ) in the bit that is considered + // "after" the negated section. + var openParensBefore = nlBefore.split('(').length - 1 + var cleanAfter = nlAfter + for (i = 0; i < openParensBefore; i++) { + cleanAfter = cleanAfter.replace(/\)[+*?]?/, '') + } + nlAfter = cleanAfter + + var dollar = '' + if (nlAfter === '' && isSub !== SUBPARSE) { + dollar = '$' + } + var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast + re = newRe + } + + // if the re is not "" at this point, then we need to make sure + // it doesn't match against an empty path part. + // Otherwise a/* will match a/, which it should not. + if (re !== '' && hasMagic) { + re = '(?=.)' + re + } + + if (addPatternStart) { + re = patternStart + re + } + + // parsing just a piece of a larger pattern. + if (isSub === SUBPARSE) { + return [re, hasMagic] + } + + // skip the regexp for non-magical patterns + // unescape anything in it, though, so that it'll be + // an exact match against a file etc. + if (!hasMagic) { + return globUnescape(pattern) + } + + var flags = options.nocase ? 'i' : '' + try { + var regExp = new RegExp('^' + re + '$', flags) + } catch (er) { + // If it was an invalid regular expression, then it can't match + // anything. This trick looks for a character after the end of + // the string, which is of course impossible, except in multi-line + // mode, but it's not a /m regex. + return new RegExp('$.') + } + + regExp._glob = pattern + regExp._src = re + + return regExp +} + +minimatch.makeRe = function (pattern, options) { + return new Minimatch(pattern, options || {}).makeRe() +} + +Minimatch.prototype.makeRe = makeRe +function makeRe () { + if (this.regexp || this.regexp === false) return this.regexp + + // at this point, this.set is a 2d array of partial + // pattern strings, or "**". + // + // It's better to use .match(). This function shouldn't + // be used, really, but it's pretty convenient sometimes, + // when you just want to work with a regex. + var set = this.set + + if (!set.length) { + this.regexp = false + return this.regexp + } + var options = this.options + + var twoStar = options.noglobstar ? star + : options.dot ? twoStarDot + : twoStarNoDot + var flags = options.nocase ? 'i' : '' + + var re = set.map(function (pattern) { + return pattern.map(function (p) { + return (p === GLOBSTAR) ? twoStar + : (typeof p === 'string') ? regExpEscape(p) + : p._src + }).join('\\\/') + }).join('|') + + // must match entire pattern + // ending in a * or ** will make it less strict. + re = '^(?:' + re + ')$' + + // can match anything, as long as it's not this. + if (this.negate) re = '^(?!' + re + ').*$' + + try { + this.regexp = new RegExp(re, flags) + } catch (ex) { + this.regexp = false + } + return this.regexp +} + +minimatch.match = function (list, pattern, options) { + options = options || {} + var mm = new Minimatch(pattern, options) + list = list.filter(function (f) { + return mm.match(f) + }) + if (mm.options.nonull && !list.length) { + list.push(pattern) + } + return list +} + +Minimatch.prototype.match = match +function match (f, partial) { + this.debug('match', f, this.pattern) + // short-circuit in the case of busted things. + // comments, etc. + if (this.comment) return false + if (this.empty) return f === '' + + if (f === '/' && partial) return true + + var options = this.options + + // windows: need to use /, not \ + if (path.sep !== '/') { + f = f.split(path.sep).join('/') + } + + // treat the test path as a set of pathparts. + f = f.split(slashSplit) + this.debug(this.pattern, 'split', f) + + // just ONE of the pattern sets in this.set needs to match + // in order for it to be valid. If negating, then just one + // match means that we have failed. + // Either way, return on the first hit. + + var set = this.set + this.debug(this.pattern, 'set', set) + + // Find the basename of the path by looking for the last non-empty segment + var filename + var i + for (i = f.length - 1; i >= 0; i--) { + filename = f[i] + if (filename) break + } + + for (i = 0; i < set.length; i++) { + var pattern = set[i] + var file = f + if (options.matchBase && pattern.length === 1) { + file = [filename] + } + var hit = this.matchOne(file, pattern, partial) + if (hit) { + if (options.flipNegate) return true + return !this.negate + } + } + + // didn't get any hits. this is success if it's a negative + // pattern, failure otherwise. + if (options.flipNegate) return false + return this.negate +} + +// set partial to true to test if, for example, +// "/a/b" matches the start of "/*/b/*/d" +// Partial means, if you run out of file before you run +// out of pattern, then that's fine, as long as all +// the parts match. +Minimatch.prototype.matchOne = function (file, pattern, partial) { + var options = this.options + + this.debug('matchOne', + { 'this': this, file: file, pattern: pattern }) + + this.debug('matchOne', file.length, pattern.length) + + for (var fi = 0, + pi = 0, + fl = file.length, + pl = pattern.length + ; (fi < fl) && (pi < pl) + ; fi++, pi++) { + this.debug('matchOne loop') + var p = pattern[pi] + var f = file[fi] + + this.debug(pattern, p, f) + + // should be impossible. + // some invalid regexp stuff in the set. + if (p === false) return false + + if (p === GLOBSTAR) { + this.debug('GLOBSTAR', [pattern, p, f]) + + // "**" + // a/**/b/**/c would match the following: + // a/b/x/y/z/c + // a/x/y/z/b/c + // a/b/x/b/x/c + // a/b/c + // To do this, take the rest of the pattern after + // the **, and see if it would match the file remainder. + // If so, return success. + // If not, the ** "swallows" a segment, and try again. + // This is recursively awful. + // + // a/**/b/**/c matching a/b/x/y/z/c + // - a matches a + // - doublestar + // - matchOne(b/x/y/z/c, b/**/c) + // - b matches b + // - doublestar + // - matchOne(x/y/z/c, c) -> no + // - matchOne(y/z/c, c) -> no + // - matchOne(z/c, c) -> no + // - matchOne(c, c) yes, hit + var fr = fi + var pr = pi + 1 + if (pr === pl) { + this.debug('** at the end') + // a ** at the end will just swallow the rest. + // We have found a match. + // however, it will not swallow /.x, unless + // options.dot is set. + // . and .. are *never* matched by **, for explosively + // exponential reasons. + for (; fi < fl; fi++) { + if (file[fi] === '.' || file[fi] === '..' || + (!options.dot && file[fi].charAt(0) === '.')) return false + } + return true + } + + // ok, let's see if we can swallow whatever we can. + while (fr < fl) { + var swallowee = file[fr] + + this.debug('\nglobstar while', file, fr, pattern, pr, swallowee) + + // XXX remove this slice. Just pass the start index. + if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) { + this.debug('globstar found match!', fr, fl, swallowee) + // found a match. + return true + } else { + // can't swallow "." or ".." ever. + // can only swallow ".foo" when explicitly asked. + if (swallowee === '.' || swallowee === '..' || + (!options.dot && swallowee.charAt(0) === '.')) { + this.debug('dot detected!', file, fr, pattern, pr) + break + } + + // ** swallows a segment, and continue. + this.debug('globstar swallow a segment, and continue') + fr++ + } + } + + // no match was found. + // However, in partial mode, we can't say this is necessarily over. + // If there's more *pattern* left, then + if (partial) { + // ran out of file + this.debug('\n>>> no match, partial?', file, fr, pattern, pr) + if (fr === fl) return true + } + return false + } + + // something other than ** + // non-magic patterns just have to match exactly + // patterns with magic have been turned into regexps. + var hit + if (typeof p === 'string') { + if (options.nocase) { + hit = f.toLowerCase() === p.toLowerCase() + } else { + hit = f === p + } + this.debug('string match', p, f, hit) + } else { + hit = f.match(p) + this.debug('pattern match', p, f, hit) + } + + if (!hit) return false + } + + // Note: ending in / means that we'll get a final "" + // at the end of the pattern. This can only match a + // corresponding "" at the end of the file. + // If the file ends in /, then it can only match a + // a pattern that ends in /, unless the pattern just + // doesn't have any more for it. But, a/b/ should *not* + // match "a/b/*", even though "" matches against the + // [^/]*? pattern, except in partial mode, where it might + // simply not be reached yet. + // However, a/b/ should still satisfy a/* + + // now either we fell off the end of the pattern, or we're done. + if (fi === fl && pi === pl) { + // ran out of pattern and filename at the same time. + // an exact hit! + return true + } else if (fi === fl) { + // ran out of file, but still had pattern left. + // this is ok if we're doing the match as part of + // a glob fs traversal. + return partial + } else if (pi === pl) { + // ran out of pattern, still have file left. + // this is only acceptable if we're on the very last + // empty segment of a file with a trailing slash. + // a/* should match a/b/ + var emptyFileEnd = (fi === fl - 1) && (file[fi] === '') + return emptyFileEnd + } + + // should be unreachable. + throw new Error('wtf?') +} + +// replace stuff like \* with * +function globUnescape (s) { + return s.replace(/\\(.)/g, '$1') +} + +function regExpEscape (s) { + return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&') +} + +},{"brace-expansion":11,"path":22}],21:[function(require,module,exports){ +var wrappy = require('wrappy') +module.exports = wrappy(once) +module.exports.strict = wrappy(onceStrict) + +once.proto = once(function () { + Object.defineProperty(Function.prototype, 'once', { + value: function () { + return once(this) + }, + configurable: true + }) + + Object.defineProperty(Function.prototype, 'onceStrict', { + value: function () { + return onceStrict(this) + }, + configurable: true + }) +}) + +function once (fn) { + var f = function () { + if (f.called) return f.value + f.called = true + return f.value = fn.apply(this, arguments) + } + f.called = false + return f +} + +function onceStrict (fn) { + var f = function () { + if (f.called) + throw new Error(f.onceError) + f.called = true + return f.value = fn.apply(this, arguments) + } + var name = fn.name || 'Function wrapped with `once`' + f.onceError = name + " shouldn't be called more than once" + f.called = false + return f +} + +},{"wrappy":29}],22:[function(require,module,exports){ +(function (process){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// resolves . and .. elements in a path array with directory names there +// must be no slashes, empty elements, or device names (c:\) in the array +// (so also no leading and trailing slashes - it does not distinguish +// relative and absolute paths) +function normalizeArray(parts, allowAboveRoot) { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up--; up) { + parts.unshift('..'); + } + } + + return parts; +} + +// Split a filename into [root, dir, basename, ext], unix version +// 'root' is just a slash, or nothing. +var splitPathRe = + /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; +var splitPath = function(filename) { + return splitPathRe.exec(filename).slice(1); +}; + +// path.resolve([from ...], to) +// posix version +exports.resolve = function() { + var resolvedPath = '', + resolvedAbsolute = false; + + for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? arguments[i] : process.cwd(); + + // Skip empty and invalid entries + if (typeof path !== 'string') { + throw new TypeError('Arguments to path.resolve must be strings'); + } else if (!path) { + continue; + } + + resolvedPath = path + '/' + resolvedPath; + resolvedAbsolute = path.charAt(0) === '/'; + } + + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when process.cwd() fails) + + // Normalize the path + resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) { + return !!p; + }), !resolvedAbsolute).join('/'); + + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; +}; + +// path.normalize(path) +// posix version +exports.normalize = function(path) { + var isAbsolute = exports.isAbsolute(path), + trailingSlash = substr(path, -1) === '/'; + + // Normalize the path + path = normalizeArray(filter(path.split('/'), function(p) { + return !!p; + }), !isAbsolute).join('/'); + + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + + return (isAbsolute ? '/' : '') + path; +}; + +// posix version +exports.isAbsolute = function(path) { + return path.charAt(0) === '/'; +}; + +// posix version +exports.join = function() { + var paths = Array.prototype.slice.call(arguments, 0); + return exports.normalize(filter(paths, function(p, index) { + if (typeof p !== 'string') { + throw new TypeError('Arguments to path.join must be strings'); + } + return p; + }).join('/')); +}; + + +// path.relative(from, to) +// posix version +exports.relative = function(from, to) { + from = exports.resolve(from).substr(1); + to = exports.resolve(to).substr(1); + + function trim(arr) { + var start = 0; + for (; start < arr.length; start++) { + if (arr[start] !== '') break; + } + + var end = arr.length - 1; + for (; end >= 0; end--) { + if (arr[end] !== '') break; + } + + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + + var fromParts = trim(from.split('/')); + var toParts = trim(to.split('/')); + + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push('..'); + } + + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + + return outputParts.join('/'); +}; + +exports.sep = '/'; +exports.delimiter = ':'; + +exports.dirname = function(path) { + var result = splitPath(path), + root = result[0], + dir = result[1]; + + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + + return root + dir; +}; + + +exports.basename = function(path, ext) { + var f = splitPath(path)[2]; + // TODO: make this comparison case-insensitive on windows? + if (ext && f.substr(-1 * ext.length) === ext) { + f = f.substr(0, f.length - ext.length); + } + return f; +}; + + +exports.extname = function(path) { + return splitPath(path)[3]; +}; + +function filter (xs, f) { + if (xs.filter) return xs.filter(f); + var res = []; + for (var i = 0; i < xs.length; i++) { + if (f(xs[i], i, xs)) res.push(xs[i]); + } + return res; +} + +// String.prototype.substr - negative index don't work in IE8 +var substr = 'ab'.substr(-1) === 'b' + ? function (str, start, len) { return str.substr(start, len) } + : function (str, start, len) { + if (start < 0) start = str.length + start; + return str.substr(start, len); + } +; + +}).call(this,require('_process')) +},{"_process":24}],23:[function(require,module,exports){ +(function (process){ +'use strict'; + +function posix(path) { + return path.charAt(0) === '/'; +} + +function win32(path) { + // https://github.com/nodejs/node/blob/b3fcc245fb25539909ef1d5eaa01dbf92e168633/lib/path.js#L56 + var splitDeviceRe = /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/; + var result = splitDeviceRe.exec(path); + var device = result[1] || ''; + var isUnc = Boolean(device && device.charAt(1) !== ':'); + + // UNC paths are always absolute + return Boolean(result[2] || isUnc); +} + +module.exports = process.platform === 'win32' ? win32 : posix; +module.exports.posix = posix; +module.exports.win32 = win32; + +}).call(this,require('_process')) +},{"_process":24}],24:[function(require,module,exports){ +// shim for using process in browser +var process = module.exports = {}; + +// cached from whatever global is present so that test runners that stub it +// don't break things. But we need to wrap it in a try catch in case it is +// wrapped in strict mode code which doesn't define any globals. It's inside a +// function because try/catches deoptimize in certain engines. + +var cachedSetTimeout; +var cachedClearTimeout; + +function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); +} +function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); +} +(function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } +} ()) +function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + +} +function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + +} +var queue = []; +var draining = false; +var currentQueue; +var queueIndex = -1; + +function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } +} + +function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); +} + +process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; + +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; + +process.listeners = function (name) { return [] } + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; + +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; + +},{}],25:[function(require,module,exports){ +// Underscore.js 1.8.3 +// http://underscorejs.org +// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors +// Underscore may be freely distributed under the MIT license. + +(function() { + + // Baseline setup + // -------------- + + // Establish the root object, `window` in the browser, or `exports` on the server. + var root = this; + + // Save the previous value of the `_` variable. + var previousUnderscore = root._; + + // Save bytes in the minified (but not gzipped) version: + var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; + + // Create quick reference variables for speed access to core prototypes. + var + push = ArrayProto.push, + slice = ArrayProto.slice, + toString = ObjProto.toString, + hasOwnProperty = ObjProto.hasOwnProperty; + + // All **ECMAScript 5** native function implementations that we hope to use + // are declared here. + var + nativeIsArray = Array.isArray, + nativeKeys = Object.keys, + nativeBind = FuncProto.bind, + nativeCreate = Object.create; + + // Naked function reference for surrogate-prototype-swapping. + var Ctor = function(){}; + + // Create a safe reference to the Underscore object for use below. + var _ = function(obj) { + if (obj instanceof _) return obj; + if (!(this instanceof _)) return new _(obj); + this._wrapped = obj; + }; + + // Export the Underscore object for **Node.js**, with + // backwards-compatibility for the old `require()` API. If we're in + // the browser, add `_` as a global object. + if (typeof exports !== 'undefined') { + if (typeof module !== 'undefined' && module.exports) { + exports = module.exports = _; + } + exports._ = _; + } else { + root._ = _; + } + + // Current version. + _.VERSION = '1.8.3'; + + // Internal function that returns an efficient (for current engines) version + // of the passed-in callback, to be repeatedly applied in other Underscore + // functions. + var optimizeCb = function(func, context, argCount) { + if (context === void 0) return func; + switch (argCount == null ? 3 : argCount) { + case 1: return function(value) { + return func.call(context, value); + }; + case 2: return function(value, other) { + return func.call(context, value, other); + }; + case 3: return function(value, index, collection) { + return func.call(context, value, index, collection); + }; + case 4: return function(accumulator, value, index, collection) { + return func.call(context, accumulator, value, index, collection); + }; + } + return function() { + return func.apply(context, arguments); + }; + }; + + // A mostly-internal function to generate callbacks that can be applied + // to each element in a collection, returning the desired result — either + // identity, an arbitrary callback, a property matcher, or a property accessor. + var cb = function(value, context, argCount) { + if (value == null) return _.identity; + if (_.isFunction(value)) return optimizeCb(value, context, argCount); + if (_.isObject(value)) return _.matcher(value); + return _.property(value); + }; + _.iteratee = function(value, context) { + return cb(value, context, Infinity); + }; + + // An internal function for creating assigner functions. + var createAssigner = function(keysFunc, undefinedOnly) { + return function(obj) { + var length = arguments.length; + if (length < 2 || obj == null) return obj; + for (var index = 1; index < length; index++) { + var source = arguments[index], + keys = keysFunc(source), + l = keys.length; + for (var i = 0; i < l; i++) { + var key = keys[i]; + if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key]; + } + } + return obj; + }; + }; + + // An internal function for creating a new object that inherits from another. + var baseCreate = function(prototype) { + if (!_.isObject(prototype)) return {}; + if (nativeCreate) return nativeCreate(prototype); + Ctor.prototype = prototype; + var result = new Ctor; + Ctor.prototype = null; + return result; + }; + + var property = function(key) { + return function(obj) { + return obj == null ? void 0 : obj[key]; + }; + }; + + // Helper for collection methods to determine whether a collection + // should be iterated as an array or as an object + // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength + // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094 + var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1; + var getLength = property('length'); + var isArrayLike = function(collection) { + var length = getLength(collection); + return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX; + }; + + // Collection Functions + // -------------------- + + // The cornerstone, an `each` implementation, aka `forEach`. + // Handles raw objects in addition to array-likes. Treats all + // sparse array-likes as if they were dense. + _.each = _.forEach = function(obj, iteratee, context) { + iteratee = optimizeCb(iteratee, context); + var i, length; + if (isArrayLike(obj)) { + for (i = 0, length = obj.length; i < length; i++) { + iteratee(obj[i], i, obj); + } + } else { + var keys = _.keys(obj); + for (i = 0, length = keys.length; i < length; i++) { + iteratee(obj[keys[i]], keys[i], obj); + } + } + return obj; + }; + + // Return the results of applying the iteratee to each element. + _.map = _.collect = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + results = Array(length); + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + results[index] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Create a reducing function iterating left or right. + function createReduce(dir) { + // Optimized iterator function as using arguments.length + // in the main function will deoptimize the, see #1991. + function iterator(obj, iteratee, memo, keys, index, length) { + for (; index >= 0 && index < length; index += dir) { + var currentKey = keys ? keys[index] : index; + memo = iteratee(memo, obj[currentKey], currentKey, obj); + } + return memo; + } + + return function(obj, iteratee, memo, context) { + iteratee = optimizeCb(iteratee, context, 4); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + index = dir > 0 ? 0 : length - 1; + // Determine the initial value if none is provided. + if (arguments.length < 3) { + memo = obj[keys ? keys[index] : index]; + index += dir; + } + return iterator(obj, iteratee, memo, keys, index, length); + }; + } + + // **Reduce** builds up a single result from a list of values, aka `inject`, + // or `foldl`. + _.reduce = _.foldl = _.inject = createReduce(1); + + // The right-associative version of reduce, also known as `foldr`. + _.reduceRight = _.foldr = createReduce(-1); + + // Return the first value which passes a truth test. Aliased as `detect`. + _.find = _.detect = function(obj, predicate, context) { + var key; + if (isArrayLike(obj)) { + key = _.findIndex(obj, predicate, context); + } else { + key = _.findKey(obj, predicate, context); + } + if (key !== void 0 && key !== -1) return obj[key]; + }; + + // Return all the elements that pass a truth test. + // Aliased as `select`. + _.filter = _.select = function(obj, predicate, context) { + var results = []; + predicate = cb(predicate, context); + _.each(obj, function(value, index, list) { + if (predicate(value, index, list)) results.push(value); + }); + return results; + }; + + // Return all the elements for which a truth test fails. + _.reject = function(obj, predicate, context) { + return _.filter(obj, _.negate(cb(predicate)), context); + }; + + // Determine whether all of the elements match a truth test. + // Aliased as `all`. + _.every = _.all = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (!predicate(obj[currentKey], currentKey, obj)) return false; + } + return true; + }; + + // Determine if at least one element in the object matches a truth test. + // Aliased as `any`. + _.some = _.any = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (predicate(obj[currentKey], currentKey, obj)) return true; + } + return false; + }; + + // Determine if the array or object contains a given item (using `===`). + // Aliased as `includes` and `include`. + _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + if (typeof fromIndex != 'number' || guard) fromIndex = 0; + return _.indexOf(obj, item, fromIndex) >= 0; + }; + + // Invoke a method (with arguments) on every item in a collection. + _.invoke = function(obj, method) { + var args = slice.call(arguments, 2); + var isFunc = _.isFunction(method); + return _.map(obj, function(value) { + var func = isFunc ? method : value[method]; + return func == null ? func : func.apply(value, args); + }); + }; + + // Convenience version of a common use case of `map`: fetching a property. + _.pluck = function(obj, key) { + return _.map(obj, _.property(key)); + }; + + // Convenience version of a common use case of `filter`: selecting only objects + // containing specific `key:value` pairs. + _.where = function(obj, attrs) { + return _.filter(obj, _.matcher(attrs)); + }; + + // Convenience version of a common use case of `find`: getting the first object + // containing specific `key:value` pairs. + _.findWhere = function(obj, attrs) { + return _.find(obj, _.matcher(attrs)); + }; + + // Return the maximum element (or element-based computation). + _.max = function(obj, iteratee, context) { + var result = -Infinity, lastComputed = -Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value > result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed > lastComputed || computed === -Infinity && result === -Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Return the minimum element (or element-based computation). + _.min = function(obj, iteratee, context) { + var result = Infinity, lastComputed = Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value < result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed < lastComputed || computed === Infinity && result === Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Shuffle a collection, using the modern version of the + // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). + _.shuffle = function(obj) { + var set = isArrayLike(obj) ? obj : _.values(obj); + var length = set.length; + var shuffled = Array(length); + for (var index = 0, rand; index < length; index++) { + rand = _.random(0, index); + if (rand !== index) shuffled[index] = shuffled[rand]; + shuffled[rand] = set[index]; + } + return shuffled; + }; + + // Sample **n** random values from a collection. + // If **n** is not specified, returns a single random element. + // The internal `guard` argument allows it to work with `map`. + _.sample = function(obj, n, guard) { + if (n == null || guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + return obj[_.random(obj.length - 1)]; + } + return _.shuffle(obj).slice(0, Math.max(0, n)); + }; + + // Sort the object's values by a criterion produced by an iteratee. + _.sortBy = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + return _.pluck(_.map(obj, function(value, index, list) { + return { + value: value, + index: index, + criteria: iteratee(value, index, list) + }; + }).sort(function(left, right) { + var a = left.criteria; + var b = right.criteria; + if (a !== b) { + if (a > b || a === void 0) return 1; + if (a < b || b === void 0) return -1; + } + return left.index - right.index; + }), 'value'); + }; + + // An internal function used for aggregate "group by" operations. + var group = function(behavior) { + return function(obj, iteratee, context) { + var result = {}; + iteratee = cb(iteratee, context); + _.each(obj, function(value, index) { + var key = iteratee(value, index, obj); + behavior(result, value, key); + }); + return result; + }; + }; + + // Groups the object's values by a criterion. Pass either a string attribute + // to group by, or a function that returns the criterion. + _.groupBy = group(function(result, value, key) { + if (_.has(result, key)) result[key].push(value); else result[key] = [value]; + }); + + // Indexes the object's values by a criterion, similar to `groupBy`, but for + // when you know that your index values will be unique. + _.indexBy = group(function(result, value, key) { + result[key] = value; + }); + + // Counts instances of an object that group by a certain criterion. Pass + // either a string attribute to count by, or a function that returns the + // criterion. + _.countBy = group(function(result, value, key) { + if (_.has(result, key)) result[key]++; else result[key] = 1; + }); + + // Safely create a real, live array from anything iterable. + _.toArray = function(obj) { + if (!obj) return []; + if (_.isArray(obj)) return slice.call(obj); + if (isArrayLike(obj)) return _.map(obj, _.identity); + return _.values(obj); + }; + + // Return the number of elements in an object. + _.size = function(obj) { + if (obj == null) return 0; + return isArrayLike(obj) ? obj.length : _.keys(obj).length; + }; + + // Split a collection into two arrays: one whose elements all satisfy the given + // predicate, and one whose elements all do not satisfy the predicate. + _.partition = function(obj, predicate, context) { + predicate = cb(predicate, context); + var pass = [], fail = []; + _.each(obj, function(value, key, obj) { + (predicate(value, key, obj) ? pass : fail).push(value); + }); + return [pass, fail]; + }; + + // Array Functions + // --------------- + + // Get the first element of an array. Passing **n** will return the first N + // values in the array. Aliased as `head` and `take`. The **guard** check + // allows it to work with `_.map`. + _.first = _.head = _.take = function(array, n, guard) { + if (array == null) return void 0; + if (n == null || guard) return array[0]; + return _.initial(array, array.length - n); + }; + + // Returns everything but the last entry of the array. Especially useful on + // the arguments object. Passing **n** will return all the values in + // the array, excluding the last N. + _.initial = function(array, n, guard) { + return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n))); + }; + + // Get the last element of an array. Passing **n** will return the last N + // values in the array. + _.last = function(array, n, guard) { + if (array == null) return void 0; + if (n == null || guard) return array[array.length - 1]; + return _.rest(array, Math.max(0, array.length - n)); + }; + + // Returns everything but the first entry of the array. Aliased as `tail` and `drop`. + // Especially useful on the arguments object. Passing an **n** will return + // the rest N values in the array. + _.rest = _.tail = _.drop = function(array, n, guard) { + return slice.call(array, n == null || guard ? 1 : n); + }; + + // Trim out all falsy values from an array. + _.compact = function(array) { + return _.filter(array, _.identity); + }; + + // Internal implementation of a recursive `flatten` function. + var flatten = function(input, shallow, strict, startIndex) { + var output = [], idx = 0; + for (var i = startIndex || 0, length = getLength(input); i < length; i++) { + var value = input[i]; + if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) { + //flatten current level of array or arguments object + if (!shallow) value = flatten(value, shallow, strict); + var j = 0, len = value.length; + output.length += len; + while (j < len) { + output[idx++] = value[j++]; + } + } else if (!strict) { + output[idx++] = value; + } + } + return output; + }; + + // Flatten out an array, either recursively (by default), or just one level. + _.flatten = function(array, shallow) { + return flatten(array, shallow, false); + }; + + // Return a version of the array that does not contain the specified value(s). + _.without = function(array) { + return _.difference(array, slice.call(arguments, 1)); + }; + + // Produce a duplicate-free version of the array. If the array has already + // been sorted, you have the option of using a faster algorithm. + // Aliased as `unique`. + _.uniq = _.unique = function(array, isSorted, iteratee, context) { + if (!_.isBoolean(isSorted)) { + context = iteratee; + iteratee = isSorted; + isSorted = false; + } + if (iteratee != null) iteratee = cb(iteratee, context); + var result = []; + var seen = []; + for (var i = 0, length = getLength(array); i < length; i++) { + var value = array[i], + computed = iteratee ? iteratee(value, i, array) : value; + if (isSorted) { + if (!i || seen !== computed) result.push(value); + seen = computed; + } else if (iteratee) { + if (!_.contains(seen, computed)) { + seen.push(computed); + result.push(value); + } + } else if (!_.contains(result, value)) { + result.push(value); + } + } + return result; + }; + + // Produce an array that contains the union: each distinct element from all of + // the passed-in arrays. + _.union = function() { + return _.uniq(flatten(arguments, true, true)); + }; + + // Produce an array that contains every item shared between all the + // passed-in arrays. + _.intersection = function(array) { + var result = []; + var argsLength = arguments.length; + for (var i = 0, length = getLength(array); i < length; i++) { + var item = array[i]; + if (_.contains(result, item)) continue; + for (var j = 1; j < argsLength; j++) { + if (!_.contains(arguments[j], item)) break; + } + if (j === argsLength) result.push(item); + } + return result; + }; + + // Take the difference between one array and a number of other arrays. + // Only the elements present in just the first array will remain. + _.difference = function(array) { + var rest = flatten(arguments, true, true, 1); + return _.filter(array, function(value){ + return !_.contains(rest, value); + }); + }; + + // Zip together multiple lists into a single array -- elements that share + // an index go together. + _.zip = function() { + return _.unzip(arguments); + }; + + // Complement of _.zip. Unzip accepts an array of arrays and groups + // each array's elements on shared indices + _.unzip = function(array) { + var length = array && _.max(array, getLength).length || 0; + var result = Array(length); + + for (var index = 0; index < length; index++) { + result[index] = _.pluck(array, index); + } + return result; + }; + + // Converts lists into objects. Pass either a single array of `[key, value]` + // pairs, or two parallel arrays of the same length -- one of keys, and one of + // the corresponding values. + _.object = function(list, values) { + var result = {}; + for (var i = 0, length = getLength(list); i < length; i++) { + if (values) { + result[list[i]] = values[i]; + } else { + result[list[i][0]] = list[i][1]; + } + } + return result; + }; + + // Generator function to create the findIndex and findLastIndex functions + function createPredicateIndexFinder(dir) { + return function(array, predicate, context) { + predicate = cb(predicate, context); + var length = getLength(array); + var index = dir > 0 ? 0 : length - 1; + for (; index >= 0 && index < length; index += dir) { + if (predicate(array[index], index, array)) return index; + } + return -1; + }; + } + + // Returns the first index on an array-like that passes a predicate test + _.findIndex = createPredicateIndexFinder(1); + _.findLastIndex = createPredicateIndexFinder(-1); + + // Use a comparator function to figure out the smallest index at which + // an object should be inserted so as to maintain order. Uses binary search. + _.sortedIndex = function(array, obj, iteratee, context) { + iteratee = cb(iteratee, context, 1); + var value = iteratee(obj); + var low = 0, high = getLength(array); + while (low < high) { + var mid = Math.floor((low + high) / 2); + if (iteratee(array[mid]) < value) low = mid + 1; else high = mid; + } + return low; + }; + + // Generator function to create the indexOf and lastIndexOf functions + function createIndexFinder(dir, predicateFind, sortedIndex) { + return function(array, item, idx) { + var i = 0, length = getLength(array); + if (typeof idx == 'number') { + if (dir > 0) { + i = idx >= 0 ? idx : Math.max(idx + length, i); + } else { + length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1; + } + } else if (sortedIndex && idx && length) { + idx = sortedIndex(array, item); + return array[idx] === item ? idx : -1; + } + if (item !== item) { + idx = predicateFind(slice.call(array, i, length), _.isNaN); + return idx >= 0 ? idx + i : -1; + } + for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) { + if (array[idx] === item) return idx; + } + return -1; + }; + } + + // Return the position of the first occurrence of an item in an array, + // or -1 if the item is not included in the array. + // If the array is large and already in sort order, pass `true` + // for **isSorted** to use binary search. + _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex); + _.lastIndexOf = createIndexFinder(-1, _.findLastIndex); + + // Generate an integer Array containing an arithmetic progression. A port of + // the native Python `range()` function. See + // [the Python documentation](http://docs.python.org/library/functions.html#range). + _.range = function(start, stop, step) { + if (stop == null) { + stop = start || 0; + start = 0; + } + step = step || 1; + + var length = Math.max(Math.ceil((stop - start) / step), 0); + var range = Array(length); + + for (var idx = 0; idx < length; idx++, start += step) { + range[idx] = start; + } + + return range; + }; + + // Function (ahem) Functions + // ------------------ + + // Determines whether to execute a function as a constructor + // or a normal function with the provided arguments + var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) { + if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args); + var self = baseCreate(sourceFunc.prototype); + var result = sourceFunc.apply(self, args); + if (_.isObject(result)) return result; + return self; + }; + + // Create a function bound to a given object (assigning `this`, and arguments, + // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if + // available. + _.bind = function(func, context) { + if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); + if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function'); + var args = slice.call(arguments, 2); + var bound = function() { + return executeBound(func, bound, context, this, args.concat(slice.call(arguments))); + }; + return bound; + }; + + // Partially apply a function by creating a version that has had some of its + // arguments pre-filled, without changing its dynamic `this` context. _ acts + // as a placeholder, allowing any combination of arguments to be pre-filled. + _.partial = function(func) { + var boundArgs = slice.call(arguments, 1); + var bound = function() { + var position = 0, length = boundArgs.length; + var args = Array(length); + for (var i = 0; i < length; i++) { + args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i]; + } + while (position < arguments.length) args.push(arguments[position++]); + return executeBound(func, bound, this, this, args); + }; + return bound; + }; + + // Bind a number of an object's methods to that object. Remaining arguments + // are the method names to be bound. Useful for ensuring that all callbacks + // defined on an object belong to it. + _.bindAll = function(obj) { + var i, length = arguments.length, key; + if (length <= 1) throw new Error('bindAll must be passed function names'); + for (i = 1; i < length; i++) { + key = arguments[i]; + obj[key] = _.bind(obj[key], obj); + } + return obj; + }; + + // Memoize an expensive function by storing its results. + _.memoize = function(func, hasher) { + var memoize = function(key) { + var cache = memoize.cache; + var address = '' + (hasher ? hasher.apply(this, arguments) : key); + if (!_.has(cache, address)) cache[address] = func.apply(this, arguments); + return cache[address]; + }; + memoize.cache = {}; + return memoize; + }; + + // Delays a function for the given number of milliseconds, and then calls + // it with the arguments supplied. + _.delay = function(func, wait) { + var args = slice.call(arguments, 2); + return setTimeout(function(){ + return func.apply(null, args); + }, wait); + }; + + // Defers a function, scheduling it to run after the current call stack has + // cleared. + _.defer = _.partial(_.delay, _, 1); + + // Returns a function, that, when invoked, will only be triggered at most once + // during a given window of time. Normally, the throttled function will run + // as much as it can, without ever going more than once per `wait` duration; + // but if you'd like to disable the execution on the leading edge, pass + // `{leading: false}`. To disable execution on the trailing edge, ditto. + _.throttle = function(func, wait, options) { + var context, args, result; + var timeout = null; + var previous = 0; + if (!options) options = {}; + var later = function() { + previous = options.leading === false ? 0 : _.now(); + timeout = null; + result = func.apply(context, args); + if (!timeout) context = args = null; + }; + return function() { + var now = _.now(); + if (!previous && options.leading === false) previous = now; + var remaining = wait - (now - previous); + context = this; + args = arguments; + if (remaining <= 0 || remaining > wait) { + if (timeout) { + clearTimeout(timeout); + timeout = null; + } + previous = now; + result = func.apply(context, args); + if (!timeout) context = args = null; + } else if (!timeout && options.trailing !== false) { + timeout = setTimeout(later, remaining); + } + return result; + }; + }; + + // Returns a function, that, as long as it continues to be invoked, will not + // be triggered. The function will be called after it stops being called for + // N milliseconds. If `immediate` is passed, trigger the function on the + // leading edge, instead of the trailing. + _.debounce = function(func, wait, immediate) { + var timeout, args, context, timestamp, result; + + var later = function() { + var last = _.now() - timestamp; + + if (last < wait && last >= 0) { + timeout = setTimeout(later, wait - last); + } else { + timeout = null; + if (!immediate) { + result = func.apply(context, args); + if (!timeout) context = args = null; + } + } + }; + + return function() { + context = this; + args = arguments; + timestamp = _.now(); + var callNow = immediate && !timeout; + if (!timeout) timeout = setTimeout(later, wait); + if (callNow) { + result = func.apply(context, args); + context = args = null; + } + + return result; + }; + }; + + // Returns the first function passed as an argument to the second, + // allowing you to adjust arguments, run code before and after, and + // conditionally execute the original function. + _.wrap = function(func, wrapper) { + return _.partial(wrapper, func); + }; + + // Returns a negated version of the passed-in predicate. + _.negate = function(predicate) { + return function() { + return !predicate.apply(this, arguments); + }; + }; + + // Returns a function that is the composition of a list of functions, each + // consuming the return value of the function that follows. + _.compose = function() { + var args = arguments; + var start = args.length - 1; + return function() { + var i = start; + var result = args[start].apply(this, arguments); + while (i--) result = args[i].call(this, result); + return result; + }; + }; + + // Returns a function that will only be executed on and after the Nth call. + _.after = function(times, func) { + return function() { + if (--times < 1) { + return func.apply(this, arguments); + } + }; + }; + + // Returns a function that will only be executed up to (but not including) the Nth call. + _.before = function(times, func) { + var memo; + return function() { + if (--times > 0) { + memo = func.apply(this, arguments); + } + if (times <= 1) func = null; + return memo; + }; + }; + + // Returns a function that will be executed at most one time, no matter how + // often you call it. Useful for lazy initialization. + _.once = _.partial(_.before, 2); + + // Object Functions + // ---------------- + + // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed. + var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString'); + var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString', + 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; + + function collectNonEnumProps(obj, keys) { + var nonEnumIdx = nonEnumerableProps.length; + var constructor = obj.constructor; + var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto; + + // Constructor is a special case. + var prop = 'constructor'; + if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop); + + while (nonEnumIdx--) { + prop = nonEnumerableProps[nonEnumIdx]; + if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) { + keys.push(prop); + } + } + } + + // Retrieve the names of an object's own properties. + // Delegates to **ECMAScript 5**'s native `Object.keys` + _.keys = function(obj) { + if (!_.isObject(obj)) return []; + if (nativeKeys) return nativeKeys(obj); + var keys = []; + for (var key in obj) if (_.has(obj, key)) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve all the property names of an object. + _.allKeys = function(obj) { + if (!_.isObject(obj)) return []; + var keys = []; + for (var key in obj) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve the values of an object's properties. + _.values = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var values = Array(length); + for (var i = 0; i < length; i++) { + values[i] = obj[keys[i]]; + } + return values; + }; + + // Returns the results of applying the iteratee to each element of the object + // In contrast to _.map it returns an object + _.mapObject = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = _.keys(obj), + length = keys.length, + results = {}, + currentKey; + for (var index = 0; index < length; index++) { + currentKey = keys[index]; + results[currentKey] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Convert an object into a list of `[key, value]` pairs. + _.pairs = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var pairs = Array(length); + for (var i = 0; i < length; i++) { + pairs[i] = [keys[i], obj[keys[i]]]; + } + return pairs; + }; + + // Invert the keys and values of an object. The values must be serializable. + _.invert = function(obj) { + var result = {}; + var keys = _.keys(obj); + for (var i = 0, length = keys.length; i < length; i++) { + result[obj[keys[i]]] = keys[i]; + } + return result; + }; + + // Return a sorted list of the function names available on the object. + // Aliased as `methods` + _.functions = _.methods = function(obj) { + var names = []; + for (var key in obj) { + if (_.isFunction(obj[key])) names.push(key); + } + return names.sort(); + }; + + // Extend a given object with all the properties in passed-in object(s). + _.extend = createAssigner(_.allKeys); + + // Assigns a given object with all the own properties in the passed-in object(s) + // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) + _.extendOwn = _.assign = createAssigner(_.keys); + + // Returns the first key on an object that passes a predicate test + _.findKey = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = _.keys(obj), key; + for (var i = 0, length = keys.length; i < length; i++) { + key = keys[i]; + if (predicate(obj[key], key, obj)) return key; + } + }; + + // Return a copy of the object only containing the whitelisted properties. + _.pick = function(object, oiteratee, context) { + var result = {}, obj = object, iteratee, keys; + if (obj == null) return result; + if (_.isFunction(oiteratee)) { + keys = _.allKeys(obj); + iteratee = optimizeCb(oiteratee, context); + } else { + keys = flatten(arguments, false, false, 1); + iteratee = function(value, key, obj) { return key in obj; }; + obj = Object(obj); + } + for (var i = 0, length = keys.length; i < length; i++) { + var key = keys[i]; + var value = obj[key]; + if (iteratee(value, key, obj)) result[key] = value; + } + return result; + }; + + // Return a copy of the object without the blacklisted properties. + _.omit = function(obj, iteratee, context) { + if (_.isFunction(iteratee)) { + iteratee = _.negate(iteratee); + } else { + var keys = _.map(flatten(arguments, false, false, 1), String); + iteratee = function(value, key) { + return !_.contains(keys, key); + }; + } + return _.pick(obj, iteratee, context); + }; + + // Fill in a given object with default properties. + _.defaults = createAssigner(_.allKeys, true); + + // Creates an object that inherits from the given prototype object. + // If additional properties are provided then they will be added to the + // created object. + _.create = function(prototype, props) { + var result = baseCreate(prototype); + if (props) _.extendOwn(result, props); + return result; + }; + + // Create a (shallow-cloned) duplicate of an object. + _.clone = function(obj) { + if (!_.isObject(obj)) return obj; + return _.isArray(obj) ? obj.slice() : _.extend({}, obj); + }; + + // Invokes interceptor with the obj, and then returns obj. + // The primary purpose of this method is to "tap into" a method chain, in + // order to perform operations on intermediate results within the chain. + _.tap = function(obj, interceptor) { + interceptor(obj); + return obj; + }; + + // Returns whether an object has a given set of `key:value` pairs. + _.isMatch = function(object, attrs) { + var keys = _.keys(attrs), length = keys.length; + if (object == null) return !length; + var obj = Object(object); + for (var i = 0; i < length; i++) { + var key = keys[i]; + if (attrs[key] !== obj[key] || !(key in obj)) return false; + } + return true; + }; + + + // Internal recursive comparison function for `isEqual`. + var eq = function(a, b, aStack, bStack) { + // Identical objects are equal. `0 === -0`, but they aren't identical. + // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal). + if (a === b) return a !== 0 || 1 / a === 1 / b; + // A strict comparison is necessary because `null == undefined`. + if (a == null || b == null) return a === b; + // Unwrap any wrapped objects. + if (a instanceof _) a = a._wrapped; + if (b instanceof _) b = b._wrapped; + // Compare `[[Class]]` names. + var className = toString.call(a); + if (className !== toString.call(b)) return false; + switch (className) { + // Strings, numbers, regular expressions, dates, and booleans are compared by value. + case '[object RegExp]': + // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i') + case '[object String]': + // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is + // equivalent to `new String("5")`. + return '' + a === '' + b; + case '[object Number]': + // `NaN`s are equivalent, but non-reflexive. + // Object(NaN) is equivalent to NaN + if (+a !== +a) return +b !== +b; + // An `egal` comparison is performed for other numeric values. + return +a === 0 ? 1 / +a === 1 / b : +a === +b; + case '[object Date]': + case '[object Boolean]': + // Coerce dates and booleans to numeric primitive values. Dates are compared by their + // millisecond representations. Note that invalid dates with millisecond representations + // of `NaN` are not equivalent. + return +a === +b; + } + + var areArrays = className === '[object Array]'; + if (!areArrays) { + if (typeof a != 'object' || typeof b != 'object') return false; + + // Objects with different constructors are not equivalent, but `Object`s or `Array`s + // from different frames are. + var aCtor = a.constructor, bCtor = b.constructor; + if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor && + _.isFunction(bCtor) && bCtor instanceof bCtor) + && ('constructor' in a && 'constructor' in b)) { + return false; + } + } + // Assume equality for cyclic structures. The algorithm for detecting cyclic + // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`. + + // Initializing stack of traversed objects. + // It's done here since we only need them for objects and arrays comparison. + aStack = aStack || []; + bStack = bStack || []; + var length = aStack.length; + while (length--) { + // Linear search. Performance is inversely proportional to the number of + // unique nested structures. + if (aStack[length] === a) return bStack[length] === b; + } + + // Add the first object to the stack of traversed objects. + aStack.push(a); + bStack.push(b); + + // Recursively compare objects and arrays. + if (areArrays) { + // Compare array lengths to determine if a deep comparison is necessary. + length = a.length; + if (length !== b.length) return false; + // Deep compare the contents, ignoring non-numeric properties. + while (length--) { + if (!eq(a[length], b[length], aStack, bStack)) return false; + } + } else { + // Deep compare objects. + var keys = _.keys(a), key; + length = keys.length; + // Ensure that both objects contain the same number of properties before comparing deep equality. + if (_.keys(b).length !== length) return false; + while (length--) { + // Deep compare each member + key = keys[length]; + if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false; + } + } + // Remove the first object from the stack of traversed objects. + aStack.pop(); + bStack.pop(); + return true; + }; + + // Perform a deep comparison to check if two objects are equal. + _.isEqual = function(a, b) { + return eq(a, b); + }; + + // Is a given array, string, or object empty? + // An "empty" object has no enumerable own-properties. + _.isEmpty = function(obj) { + if (obj == null) return true; + if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0; + return _.keys(obj).length === 0; + }; + + // Is a given value a DOM element? + _.isElement = function(obj) { + return !!(obj && obj.nodeType === 1); + }; + + // Is a given value an array? + // Delegates to ECMA5's native Array.isArray + _.isArray = nativeIsArray || function(obj) { + return toString.call(obj) === '[object Array]'; + }; + + // Is a given variable an object? + _.isObject = function(obj) { + var type = typeof obj; + return type === 'function' || type === 'object' && !!obj; + }; + + // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError. + _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) { + _['is' + name] = function(obj) { + return toString.call(obj) === '[object ' + name + ']'; + }; + }); + + // Define a fallback version of the method in browsers (ahem, IE < 9), where + // there isn't any inspectable "Arguments" type. + if (!_.isArguments(arguments)) { + _.isArguments = function(obj) { + return _.has(obj, 'callee'); + }; + } + + // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8, + // IE 11 (#1621), and in Safari 8 (#1929). + if (typeof /./ != 'function' && typeof Int8Array != 'object') { + _.isFunction = function(obj) { + return typeof obj == 'function' || false; + }; + } + + // Is a given object a finite number? + _.isFinite = function(obj) { + return isFinite(obj) && !isNaN(parseFloat(obj)); + }; + + // Is the given value `NaN`? (NaN is the only number which does not equal itself). + _.isNaN = function(obj) { + return _.isNumber(obj) && obj !== +obj; + }; + + // Is a given value a boolean? + _.isBoolean = function(obj) { + return obj === true || obj === false || toString.call(obj) === '[object Boolean]'; + }; + + // Is a given value equal to null? + _.isNull = function(obj) { + return obj === null; + }; + + // Is a given variable undefined? + _.isUndefined = function(obj) { + return obj === void 0; + }; + + // Shortcut function for checking if an object has a given property directly + // on itself (in other words, not on a prototype). + _.has = function(obj, key) { + return obj != null && hasOwnProperty.call(obj, key); + }; + + // Utility Functions + // ----------------- + + // Run Underscore.js in *noConflict* mode, returning the `_` variable to its + // previous owner. Returns a reference to the Underscore object. + _.noConflict = function() { + root._ = previousUnderscore; + return this; + }; + + // Keep the identity function around for default iteratees. + _.identity = function(value) { + return value; + }; + + // Predicate-generating functions. Often useful outside of Underscore. + _.constant = function(value) { + return function() { + return value; + }; + }; + + _.noop = function(){}; + + _.property = property; + + // Generates a function for a given object that returns a given property. + _.propertyOf = function(obj) { + return obj == null ? function(){} : function(key) { + return obj[key]; + }; + }; + + // Returns a predicate for checking whether an object has a given set of + // `key:value` pairs. + _.matcher = _.matches = function(attrs) { + attrs = _.extendOwn({}, attrs); + return function(obj) { + return _.isMatch(obj, attrs); + }; + }; + + // Run a function **n** times. + _.times = function(n, iteratee, context) { + var accum = Array(Math.max(0, n)); + iteratee = optimizeCb(iteratee, context, 1); + for (var i = 0; i < n; i++) accum[i] = iteratee(i); + return accum; + }; + + // Return a random integer between min and max (inclusive). + _.random = function(min, max) { + if (max == null) { + max = min; + min = 0; + } + return min + Math.floor(Math.random() * (max - min + 1)); + }; + + // A (possibly faster) way to get the current timestamp as an integer. + _.now = Date.now || function() { + return new Date().getTime(); + }; + + // List of HTML entities for escaping. + var escapeMap = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''', + '`': '`' + }; + var unescapeMap = _.invert(escapeMap); + + // Functions for escaping and unescaping strings to/from HTML interpolation. + var createEscaper = function(map) { + var escaper = function(match) { + return map[match]; + }; + // Regexes for identifying a key that needs to be escaped + var source = '(?:' + _.keys(map).join('|') + ')'; + var testRegexp = RegExp(source); + var replaceRegexp = RegExp(source, 'g'); + return function(string) { + string = string == null ? '' : '' + string; + return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string; + }; + }; + _.escape = createEscaper(escapeMap); + _.unescape = createEscaper(unescapeMap); + + // If the value of the named `property` is a function then invoke it with the + // `object` as context; otherwise, return it. + _.result = function(object, property, fallback) { + var value = object == null ? void 0 : object[property]; + if (value === void 0) { + value = fallback; + } + return _.isFunction(value) ? value.call(object) : value; + }; + + // Generate a unique integer id (unique within the entire client session). + // Useful for temporary DOM ids. + var idCounter = 0; + _.uniqueId = function(prefix) { + var id = ++idCounter + ''; + return prefix ? prefix + id : id; + }; + + // By default, Underscore uses ERB-style template delimiters, change the + // following template settings to use alternative delimiters. + _.templateSettings = { + evaluate : /<%([\s\S]+?)%>/g, + interpolate : /<%=([\s\S]+?)%>/g, + escape : /<%-([\s\S]+?)%>/g + }; + + // When customizing `templateSettings`, if you don't want to define an + // interpolation, evaluation or escaping regex, we need one that is + // guaranteed not to match. + var noMatch = /(.)^/; + + // Certain characters need to be escaped so that they can be put into a + // string literal. + var escapes = { + "'": "'", + '\\': '\\', + '\r': 'r', + '\n': 'n', + '\u2028': 'u2028', + '\u2029': 'u2029' + }; + + var escaper = /\\|'|\r|\n|\u2028|\u2029/g; + + var escapeChar = function(match) { + return '\\' + escapes[match]; + }; + + // JavaScript micro-templating, similar to John Resig's implementation. + // Underscore templating handles arbitrary delimiters, preserves whitespace, + // and correctly escapes quotes within interpolated code. + // NB: `oldSettings` only exists for backwards compatibility. + _.template = function(text, settings, oldSettings) { + if (!settings && oldSettings) settings = oldSettings; + settings = _.defaults({}, settings, _.templateSettings); + + // Combine delimiters into one regular expression via alternation. + var matcher = RegExp([ + (settings.escape || noMatch).source, + (settings.interpolate || noMatch).source, + (settings.evaluate || noMatch).source + ].join('|') + '|$', 'g'); + + // Compile the template source, escaping string literals appropriately. + var index = 0; + var source = "__p+='"; + text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { + source += text.slice(index, offset).replace(escaper, escapeChar); + index = offset + match.length; + + if (escape) { + source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; + } else if (interpolate) { + source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; + } else if (evaluate) { + source += "';\n" + evaluate + "\n__p+='"; + } + + // Adobe VMs need the match returned to produce the correct offest. + return match; + }); + source += "';\n"; + + // If a variable is not specified, place data values in local scope. + if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n'; + + source = "var __t,__p='',__j=Array.prototype.join," + + "print=function(){__p+=__j.call(arguments,'');};\n" + + source + 'return __p;\n'; + + try { + var render = new Function(settings.variable || 'obj', '_', source); + } catch (e) { + e.source = source; + throw e; + } + + var template = function(data) { + return render.call(this, data, _); + }; + + // Provide the compiled source as a convenience for precompilation. + var argument = settings.variable || 'obj'; + template.source = 'function(' + argument + '){\n' + source + '}'; + + return template; + }; + + // Add a "chain" function. Start chaining a wrapped Underscore object. + _.chain = function(obj) { + var instance = _(obj); + instance._chain = true; + return instance; + }; + + // OOP + // --------------- + // If Underscore is called as a function, it returns a wrapped object that + // can be used OO-style. This wrapper holds altered versions of all the + // underscore functions. Wrapped objects may be chained. + + // Helper function to continue chaining intermediate results. + var result = function(instance, obj) { + return instance._chain ? _(obj).chain() : obj; + }; + + // Add your own custom functions to the Underscore object. + _.mixin = function(obj) { + _.each(_.functions(obj), function(name) { + var func = _[name] = obj[name]; + _.prototype[name] = function() { + var args = [this._wrapped]; + push.apply(args, arguments); + return result(this, func.apply(_, args)); + }; + }); + }; + + // Add all of the Underscore functions to the wrapper object. + _.mixin(_); + + // Add all mutator Array functions to the wrapper. + _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + var obj = this._wrapped; + method.apply(obj, arguments); + if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0]; + return result(this, obj); + }; + }); + + // Add all accessor Array functions to the wrapper. + _.each(['concat', 'join', 'slice'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + return result(this, method.apply(this._wrapped, arguments)); + }; + }); + + // Extracts the result from a wrapped and chained object. + _.prototype.value = function() { + return this._wrapped; + }; + + // Provide unwrapping proxy for some methods used in engine operations + // such as arithmetic and JSON stringification. + _.prototype.valueOf = _.prototype.toJSON = _.prototype.value; + + _.prototype.toString = function() { + return '' + this._wrapped; + }; + + // AMD registration happens at the end for compatibility with AMD loaders + // that may not enforce next-turn semantics on modules. Even though general + // practice for AMD registration is to be anonymous, underscore registers + // as a named module because, like jQuery, it is a base library that is + // popular enough to be bundled in a third party lib, but not be part of + // an AMD load request. Those cases could generate an error when an + // anonymous define() is called outside of a loader request. + if (typeof define === 'function' && define.amd) { + define('underscore', [], function() { + return _; + }); + } +}.call(this)); + +},{}],26:[function(require,module,exports){ +arguments[4][19][0].apply(exports,arguments) +},{"dup":19}],27:[function(require,module,exports){ +module.exports = function isBuffer(arg) { + return arg && typeof arg === 'object' + && typeof arg.copy === 'function' + && typeof arg.fill === 'function' + && typeof arg.readUInt8 === 'function'; +} +},{}],28:[function(require,module,exports){ +(function (process,global){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + // Allow for deprecating things in the process of starting up. + if (isUndefined(global.process)) { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + if (process.noDeprecation === true) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnviron; +exports.debuglog = function(set) { + if (isUndefined(debugEnviron)) + debugEnviron = process.env.NODE_DEBUG || ''; + set = set.toUpperCase(); + if (!debugs[set]) { + if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./support/isBuffer":27,"_process":24,"inherits":26}],29:[function(require,module,exports){ +// Returns a wrapper function that returns a wrapped callback +// The wrapper function should do some stuff, and return a +// presumably different callback function. +// This makes sure that own properties are retained, so that +// decorations and such are not lost along the way. +module.exports = wrappy +function wrappy (fn, cb) { + if (fn && cb) return wrappy(fn)(cb) + + if (typeof fn !== 'function') + throw new TypeError('need wrapper function') + + Object.keys(fn).forEach(function (k) { + wrapper[k] = fn[k] + }) + + return wrapper + + function wrapper() { + var args = new Array(arguments.length) + for (var i = 0; i < args.length; i++) { + args[i] = arguments[i] + } + var ret = fn.apply(this, args) + var cb = args[args.length-1] + if (typeof ret === 'function' && ret !== cb) { + Object.keys(cb).forEach(function (k) { + ret[k] = cb[k] + }) + } + return ret + } +} + +},{}]},{},[7])(7) +}); \ No newline at end of file diff --git a/assets/javascripts/workers/search.16e2a7d4.min.js b/assets/javascripts/workers/search.16e2a7d4.min.js new file mode 100644 index 000000000..e0dc159e8 --- /dev/null +++ b/assets/javascripts/workers/search.16e2a7d4.min.js @@ -0,0 +1,48 @@ +"use strict";(()=>{var ge=Object.create;var W=Object.defineProperty,ye=Object.defineProperties,me=Object.getOwnPropertyDescriptor,ve=Object.getOwnPropertyDescriptors,xe=Object.getOwnPropertyNames,G=Object.getOwnPropertySymbols,Se=Object.getPrototypeOf,X=Object.prototype.hasOwnProperty,Qe=Object.prototype.propertyIsEnumerable;var J=(t,e,r)=>e in t?W(t,e,{enumerable:!0,configurable:!0,writable:!0,value:r}):t[e]=r,M=(t,e)=>{for(var r in e||(e={}))X.call(e,r)&&J(t,r,e[r]);if(G)for(var r of G(e))Qe.call(e,r)&&J(t,r,e[r]);return t},Z=(t,e)=>ye(t,ve(e));var K=(t,e)=>()=>(e||t((e={exports:{}}).exports,e),e.exports);var be=(t,e,r,n)=>{if(e&&typeof e=="object"||typeof e=="function")for(let i of xe(e))!X.call(t,i)&&i!==r&&W(t,i,{get:()=>e[i],enumerable:!(n=me(e,i))||n.enumerable});return t};var H=(t,e,r)=>(r=t!=null?ge(Se(t)):{},be(e||!t||!t.__esModule?W(r,"default",{value:t,enumerable:!0}):r,t));var z=(t,e,r)=>new Promise((n,i)=>{var s=u=>{try{a(r.next(u))}catch(c){i(c)}},o=u=>{try{a(r.throw(u))}catch(c){i(c)}},a=u=>u.done?n(u.value):Promise.resolve(u.value).then(s,o);a((r=r.apply(t,e)).next())});var re=K((ee,te)=>{/** + * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9 + * Copyright (C) 2020 Oliver Nightingale + * @license MIT + */(function(){var t=function(e){var r=new t.Builder;return r.pipeline.add(t.trimmer,t.stopWordFilter,t.stemmer),r.searchPipeline.add(t.stemmer),e.call(r,r),r.build()};t.version="2.3.9";/*! + * lunr.utils + * Copyright (C) 2020 Oliver Nightingale + */t.utils={},t.utils.warn=function(e){return function(r){e.console&&console.warn&&console.warn(r)}}(this),t.utils.asString=function(e){return e==null?"":e.toString()},t.utils.clone=function(e){if(e==null)return e;for(var r=Object.create(null),n=Object.keys(e),i=0;i0){var h=t.utils.clone(r)||{};h.position=[a,c],h.index=s.length,s.push(new t.Token(n.slice(a,o),h))}a=o+1}}return s},t.tokenizer.separator=/[\s\-]+/;/*! + * lunr.Pipeline + * Copyright (C) 2020 Oliver Nightingale + */t.Pipeline=function(){this._stack=[]},t.Pipeline.registeredFunctions=Object.create(null),t.Pipeline.registerFunction=function(e,r){r in this.registeredFunctions&&t.utils.warn("Overwriting existing registered function: "+r),e.label=r,t.Pipeline.registeredFunctions[e.label]=e},t.Pipeline.warnIfFunctionNotRegistered=function(e){var r=e.label&&e.label in this.registeredFunctions;r||t.utils.warn(`Function is not registered with pipeline. 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this.pos1&&(e.backup(),e.emit(t.QueryLexer.TERM)),e.ignore(),e.more())return t.QueryLexer.lexText},t.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.EDIT_DISTANCE),t.QueryLexer.lexText},t.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.BOOST),t.QueryLexer.lexText},t.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(t.QueryLexer.TERM)},t.QueryLexer.termSeparator=t.tokenizer.separator,t.QueryLexer.lexText=function(e){for(;;){var r=e.next();if(r==t.QueryLexer.EOS)return t.QueryLexer.lexEOS;if(r.charCodeAt(0)==92){e.escapeCharacter();continue}if(r==":")return t.QueryLexer.lexField;if(r=="~")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexEditDistance;if(r=="^")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexBoost;if(r=="+"&&e.width()===1||r=="-"&&e.width()===1)return e.emit(t.QueryLexer.PRESENCE),t.QueryLexer.lexText;if(r.match(t.QueryLexer.termSeparator))return t.QueryLexer.lexTerm}},t.QueryParser=function(e,r){this.lexer=new t.QueryLexer(e),this.query=r,this.currentClause={},this.lexemeIdx=0},t.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=t.QueryParser.parseClause;e;)e=e(this);return this.query},t.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},t.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},t.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},t.QueryParser.parseClause=function(e){var r=e.peekLexeme();if(r!=null)switch(r.type){case t.QueryLexer.PRESENCE:return t.QueryParser.parsePresence;case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(n+=" with value '"+r.str+"'"),new t.QueryParseError(n,r.start,r.end)}},t.QueryParser.parsePresence=function(e){var r=e.consumeLexeme();if(r!=null){switch(r.str){case"-":e.currentClause.presence=t.Query.presence.PROHIBITED;break;case"+":e.currentClause.presence=t.Query.presence.REQUIRED;break;default:var n="unrecognised presence operator'"+r.str+"'";throw new t.QueryParseError(n,r.start,r.end)}var i=e.peekLexeme();if(i==null){var n="expecting term or field, found nothing";throw new t.QueryParseError(n,r.start,r.end)}switch(i.type){case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expecting term or field, found '"+i.type+"'";throw new t.QueryParseError(n,i.start,i.end)}}},t.QueryParser.parseField=function(e){var r=e.consumeLexeme();if(r!=null){if(e.query.allFields.indexOf(r.str)==-1){var n=e.query.allFields.map(function(o){return"'"+o+"'"}).join(", "),i="unrecognised field '"+r.str+"', possible fields: "+n;throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.fields=[r.str];var s=e.peekLexeme();if(s==null){var i="expecting term, found nothing";throw new t.QueryParseError(i,r.start,r.end)}switch(s.type){case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var i="expecting term, found '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseTerm=function(e){var r=e.consumeLexeme();if(r!=null){e.currentClause.term=r.str.toLowerCase(),r.str.indexOf("*")!=-1&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(n==null){e.nextClause();return}switch(n.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+n.type+"'";throw new t.QueryParseError(i,n.start,n.end)}}},t.QueryParser.parseEditDistance=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="edit distance must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.editDistance=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseBoost=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="boost must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.boost=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},function(e,r){typeof define=="function"&&define.amd?define(r):typeof ee=="object"?te.exports=r():e.lunr=r()}(this,function(){return t})})()});var q=K((Re,ne)=>{"use strict";/*! + * escape-html + * Copyright(c) 2012-2013 TJ Holowaychuk + * Copyright(c) 2015 Andreas Lubbe + * Copyright(c) 2015 Tiancheng "Timothy" Gu + * MIT Licensed + */var Le=/["'&<>]/;ne.exports=we;function we(t){var e=""+t,r=Le.exec(e);if(!r)return e;var n,i="",s=0,o=0;for(s=r.index;s=0;r--){let n=t[r];typeof n=="string"?n=document.createTextNode(n):n.parentNode&&n.parentNode.removeChild(n),r?e.insertBefore(this.previousSibling,n):e.replaceChild(n,this)}}}));var ie=H(q());function se(t){let e=new Map,r=new Set;for(let n of t){let[i,s]=n.location.split("#"),o=n.location,a=n.title,u=n.tags,c=(0,ie.default)(n.text).replace(/\s+(?=[,.:;!?])/g,"").replace(/\s+/g," ");if(s){let h=e.get(i);r.has(h)?e.set(o,{location:o,title:a,text:c,parent:h}):(h.title=n.title,h.text=c,r.add(h))}else e.set(o,M({location:o,title:a,text:c},u&&{tags:u}))}return e}var oe=H(q());function ae(t,e){let r=new RegExp(t.separator,"img"),n=(i,s,o)=>`${s}${o}`;return i=>{i=i.replace(/[\s*+\-:~^]+/g," ").trim();let s=new RegExp(`(^|${t.separator})(${i.replace(/[|\\{}()[\]^$+*?.-]/g,"\\$&").replace(r,"|")})`,"img");return o=>(e?(0,oe.default)(o):o).replace(s,n).replace(/<\/mark>(\s+)]*>/img,"$1")}}function ue(t){let e=new lunr.Query(["title","text"]);return new lunr.QueryParser(t,e).parse(),e.clauses}function ce(t,e){var i;let r=new Set(t),n={};for(let s=0;s!n.has(i)))]}var U=class{constructor({config:e,docs:r,options:n}){this.options=n,this.documents=se(r),this.highlight=ae(e,!1),lunr.tokenizer.separator=new RegExp(e.separator),this.index=lunr(function(){e.lang.length===1&&e.lang[0]!=="en"?this.use(lunr[e.lang[0]]):e.lang.length>1&&this.use(lunr.multiLanguage(...e.lang));let i=Ee(["trimmer","stopWordFilter","stemmer"],n.pipeline);for(let s of e.lang.map(o=>o==="en"?lunr:lunr[o]))for(let o of i)this.pipeline.remove(s[o]),this.searchPipeline.remove(s[o]);this.ref("location"),this.field("title",{boost:1e3}),this.field("text"),this.field("tags",{boost:1e6,extractor:s=>{let{tags:o=[]}=s;return o.reduce((a,u)=>[...a,...lunr.tokenizer(u)],[])}});for(let s of r)this.add(s,{boost:s.boost})})}search(e){if(e)try{let r=this.highlight(e),n=ue(e).filter(o=>o.presence!==lunr.Query.presence.PROHIBITED),i=this.index.search(`${e}*`).reduce((o,{ref:a,score:u,matchData:c})=>{let h=this.documents.get(a);if(typeof h!="undefined"){let{location:y,title:g,text:b,tags:m,parent:Q}=h,p=ce(n,Object.keys(c.metadata)),d=+!Q+ +Object.values(p).every(w=>w);o.push(Z(M({location:y,title:r(g),text:r(b)},m&&{tags:m.map(r)}),{score:u*(1+d),terms:p}))}return o},[]).sort((o,a)=>a.score-o.score).reduce((o,a)=>{let u=this.documents.get(a.location);if(typeof u!="undefined"){let c="parent"in u?u.parent.location:u.location;o.set(c,[...o.get(c)||[],a])}return o},new Map),s;if(this.options.suggestions){let o=this.index.query(a=>{for(let u of n)a.term(u.term,{fields:["title"],presence:lunr.Query.presence.REQUIRED,wildcard:lunr.Query.wildcard.TRAILING})});s=o.length?Object.keys(o[0].matchData.metadata):[]}return M({items:[...i.values()]},typeof s!="undefined"&&{suggestions:s})}catch(r){console.warn(`Invalid query: ${e} \u2013 see https://bit.ly/2s3ChXG`)}return{items:[]}}};var Y;function ke(t){return z(this,null,function*(){let e="../lunr";if(typeof parent!="undefined"&&"IFrameWorker"in parent){let n=document.querySelector("script[src]"),[i]=n.src.split("/worker");e=e.replace("..",i)}let r=[];for(let n of t.lang){switch(n){case"ja":r.push(`${e}/tinyseg.js`);break;case"hi":case"th":r.push(`${e}/wordcut.js`);break}n!=="en"&&r.push(`${e}/min/lunr.${n}.min.js`)}t.lang.length>1&&r.push(`${e}/min/lunr.multi.min.js`),r.length&&(yield importScripts(`${e}/min/lunr.stemmer.support.min.js`,...r))})}function Te(t){return z(this,null,function*(){switch(t.type){case 0:return yield ke(t.data.config),Y=new U(t.data),{type:1};case 2:return{type:3,data:Y?Y.search(t.data):{items:[]}};default:throw new TypeError("Invalid message type")}})}self.lunr=le.default;addEventListener("message",t=>z(void 0,null,function*(){postMessage(yield Te(t.data))}));})(); +//# sourceMappingURL=search.16e2a7d4.min.js.map + diff --git a/assets/javascripts/workers/search.16e2a7d4.min.js.map b/assets/javascripts/workers/search.16e2a7d4.min.js.map new file mode 100644 index 000000000..fa01f3742 --- /dev/null +++ b/assets/javascripts/workers/search.16e2a7d4.min.js.map @@ -0,0 +1,8 @@ +{ + "version": 3, + "sources": ["node_modules/lunr/lunr.js", "node_modules/escape-html/index.js", "src/assets/javascripts/integrations/search/worker/main/index.ts", "src/assets/javascripts/polyfills/index.ts", "src/assets/javascripts/integrations/search/document/index.ts", "src/assets/javascripts/integrations/search/highlighter/index.ts", "src/assets/javascripts/integrations/search/query/_/index.ts", "src/assets/javascripts/integrations/search/_/index.ts"], + "sourceRoot": "../../../..", + "sourcesContent": ["/**\n * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9\n * Copyright (C) 2020 Oliver Nightingale\n * @license MIT\n */\n\n;(function(){\n\n/**\n * A convenience function for configuring and constructing\n * a new lunr Index.\n *\n * A lunr.Builder instance is created and the pipeline setup\n * with a trimmer, stop word filter and stemmer.\n *\n * This builder object is yielded to the configuration function\n * that is passed as a parameter, allowing the list of fields\n * and other builder parameters to be customised.\n *\n * All documents _must_ be added within the passed config function.\n *\n * @example\n * var idx = lunr(function () {\n * this.field('title')\n * this.field('body')\n * this.ref('id')\n *\n * documents.forEach(function (doc) {\n * this.add(doc)\n * }, this)\n * })\n *\n * @see {@link lunr.Builder}\n * @see {@link lunr.Pipeline}\n * @see {@link lunr.trimmer}\n * @see {@link lunr.stopWordFilter}\n * @see {@link lunr.stemmer}\n * @namespace {function} lunr\n */\nvar lunr = function (config) {\n var builder = new lunr.Builder\n\n builder.pipeline.add(\n lunr.trimmer,\n lunr.stopWordFilter,\n lunr.stemmer\n )\n\n builder.searchPipeline.add(\n lunr.stemmer\n )\n\n config.call(builder, builder)\n return builder.build()\n}\n\nlunr.version = \"2.3.9\"\n/*!\n * lunr.utils\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A namespace containing utils for the rest of the lunr library\n * @namespace lunr.utils\n */\nlunr.utils = {}\n\n/**\n * Print a warning message to the console.\n *\n * @param {String} message The message to be printed.\n * @memberOf lunr.utils\n * @function\n */\nlunr.utils.warn = (function (global) {\n /* eslint-disable no-console */\n return function (message) {\n if (global.console && console.warn) {\n console.warn(message)\n }\n }\n /* eslint-enable no-console */\n})(this)\n\n/**\n * Convert an object to a string.\n *\n * In the case of `null` and `undefined` the function returns\n * the empty string, in all other cases the result of calling\n * `toString` on the passed object is returned.\n *\n * @param {Any} obj The object to convert to a string.\n * @return {String} string representation of the passed object.\n * @memberOf lunr.utils\n */\nlunr.utils.asString = function (obj) {\n if (obj === void 0 || obj === null) {\n return \"\"\n } else {\n return obj.toString()\n }\n}\n\n/**\n * Clones an object.\n *\n * Will create a copy of an existing object such that any mutations\n * on the copy cannot affect the original.\n *\n * Only shallow objects are supported, passing a nested object to this\n * function will cause a TypeError.\n *\n * Objects with primitives, and arrays of primitives are supported.\n *\n * @param {Object} obj The object to clone.\n * @return {Object} a clone of the passed object.\n * @throws {TypeError} when a nested object is passed.\n * @memberOf Utils\n */\nlunr.utils.clone = function (obj) {\n if (obj === null || obj === undefined) {\n return obj\n }\n\n var clone = Object.create(null),\n keys = Object.keys(obj)\n\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i],\n val = obj[key]\n\n if (Array.isArray(val)) {\n clone[key] = val.slice()\n continue\n }\n\n if (typeof val === 'string' ||\n typeof val === 'number' ||\n typeof val === 'boolean') {\n clone[key] = val\n continue\n }\n\n throw new TypeError(\"clone is not deep and does not support nested objects\")\n }\n\n return clone\n}\nlunr.FieldRef = function (docRef, fieldName, stringValue) {\n this.docRef = docRef\n this.fieldName = fieldName\n this._stringValue = stringValue\n}\n\nlunr.FieldRef.joiner = \"/\"\n\nlunr.FieldRef.fromString = function (s) {\n var n = s.indexOf(lunr.FieldRef.joiner)\n\n if (n === -1) {\n throw \"malformed field ref string\"\n }\n\n var fieldRef = s.slice(0, n),\n docRef = s.slice(n + 1)\n\n return new lunr.FieldRef (docRef, fieldRef, s)\n}\n\nlunr.FieldRef.prototype.toString = function () {\n if (this._stringValue == undefined) {\n this._stringValue = this.fieldName + lunr.FieldRef.joiner + this.docRef\n }\n\n return this._stringValue\n}\n/*!\n * lunr.Set\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A lunr set.\n *\n * @constructor\n */\nlunr.Set = function (elements) {\n this.elements = Object.create(null)\n\n if (elements) {\n this.length = elements.length\n\n for (var i = 0; i < this.length; i++) {\n this.elements[elements[i]] = true\n }\n } else {\n this.length = 0\n }\n}\n\n/**\n * A complete set that contains all elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.complete = {\n intersect: function (other) {\n return other\n },\n\n union: function () {\n return this\n },\n\n contains: function () {\n return true\n }\n}\n\n/**\n * An empty set that contains no elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.empty = {\n intersect: function () {\n return this\n },\n\n union: function (other) {\n return other\n },\n\n contains: function () {\n return false\n }\n}\n\n/**\n * Returns true if this set contains the specified object.\n *\n * @param {object} object - Object whose presence in this set is to be tested.\n * @returns {boolean} - True if this set contains the specified object.\n */\nlunr.Set.prototype.contains = function (object) {\n return !!this.elements[object]\n}\n\n/**\n * Returns a new set containing only the elements that are present in both\n * this set and the specified set.\n *\n * @param {lunr.Set} other - set to intersect with this set.\n * @returns {lunr.Set} a new set that is the intersection of this and the specified set.\n */\n\nlunr.Set.prototype.intersect = function (other) {\n var a, b, elements, intersection = []\n\n if (other === lunr.Set.complete) {\n return this\n }\n\n if (other === lunr.Set.empty) {\n return other\n }\n\n if (this.length < other.length) {\n a = this\n b = other\n } else {\n a = other\n b = this\n }\n\n elements = Object.keys(a.elements)\n\n for (var i = 0; i < elements.length; i++) {\n var element = elements[i]\n if (element in b.elements) {\n intersection.push(element)\n }\n }\n\n return new lunr.Set (intersection)\n}\n\n/**\n * Returns a new set combining the elements of this and the specified set.\n *\n * @param {lunr.Set} other - set to union with this set.\n * @return {lunr.Set} a new set that is the union of this and the specified set.\n */\n\nlunr.Set.prototype.union = function (other) {\n if (other === lunr.Set.complete) {\n return lunr.Set.complete\n }\n\n if (other === lunr.Set.empty) {\n return this\n }\n\n return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))\n}\n/**\n * A function to calculate the inverse document frequency for\n * a posting. This is shared between the builder and the index\n *\n * @private\n * @param {object} posting - The posting for a given term\n * @param {number} documentCount - The total number of documents.\n */\nlunr.idf = function (posting, documentCount) {\n var documentsWithTerm = 0\n\n for (var fieldName in posting) {\n if (fieldName == '_index') continue // Ignore the term index, its not a field\n documentsWithTerm += Object.keys(posting[fieldName]).length\n }\n\n var x = (documentCount - documentsWithTerm + 0.5) / (documentsWithTerm + 0.5)\n\n return Math.log(1 + Math.abs(x))\n}\n\n/**\n * A token wraps a string representation of a token\n * as it is passed through the text processing pipeline.\n *\n * @constructor\n * @param {string} [str=''] - The string token being wrapped.\n * @param {object} [metadata={}] - Metadata associated with this token.\n */\nlunr.Token = function (str, metadata) {\n this.str = str || \"\"\n this.metadata = metadata || {}\n}\n\n/**\n * Returns the token string that is being wrapped by this object.\n *\n * @returns {string}\n */\nlunr.Token.prototype.toString = function () {\n return this.str\n}\n\n/**\n * A token update function is used when updating or optionally\n * when cloning a token.\n *\n * @callback lunr.Token~updateFunction\n * @param {string} str - The string representation of the token.\n * @param {Object} metadata - All metadata associated with this token.\n */\n\n/**\n * Applies the given function to the wrapped string token.\n *\n * @example\n * token.update(function (str, metadata) {\n * return str.toUpperCase()\n * })\n *\n * @param {lunr.Token~updateFunction} fn - A function to apply to the token string.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.update = function (fn) {\n this.str = fn(this.str, this.metadata)\n return this\n}\n\n/**\n * Creates a clone of this token. Optionally a function can be\n * applied to the cloned token.\n *\n * @param {lunr.Token~updateFunction} [fn] - An optional function to apply to the cloned token.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.clone = function (fn) {\n fn = fn || function (s) { return s }\n return new lunr.Token (fn(this.str, this.metadata), this.metadata)\n}\n/*!\n * lunr.tokenizer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A function for splitting a string into tokens ready to be inserted into\n * the search index. Uses `lunr.tokenizer.separator` to split strings, change\n * the value of this property to change how strings are split into tokens.\n *\n * This tokenizer will convert its parameter to a string by calling `toString` and\n * then will split this string on the character in `lunr.tokenizer.separator`.\n * Arrays will have their elements converted to strings and wrapped in a lunr.Token.\n *\n * Optional metadata can be passed to the tokenizer, this metadata will be cloned and\n * added as metadata to every token that is created from the object to be tokenized.\n *\n * @static\n * @param {?(string|object|object[])} obj - The object to convert into tokens\n * @param {?object} metadata - Optional metadata to associate with every token\n * @returns {lunr.Token[]}\n * @see {@link lunr.Pipeline}\n */\nlunr.tokenizer = function (obj, metadata) {\n if (obj == null || obj == undefined) {\n return []\n }\n\n if (Array.isArray(obj)) {\n return obj.map(function (t) {\n return new lunr.Token(\n lunr.utils.asString(t).toLowerCase(),\n lunr.utils.clone(metadata)\n )\n })\n }\n\n var str = obj.toString().toLowerCase(),\n len = str.length,\n tokens = []\n\n for (var sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {\n var char = str.charAt(sliceEnd),\n sliceLength = sliceEnd - sliceStart\n\n if ((char.match(lunr.tokenizer.separator) || sliceEnd == len)) {\n\n if (sliceLength > 0) {\n var tokenMetadata = lunr.utils.clone(metadata) || {}\n tokenMetadata[\"position\"] = [sliceStart, sliceLength]\n tokenMetadata[\"index\"] = tokens.length\n\n tokens.push(\n new lunr.Token (\n str.slice(sliceStart, sliceEnd),\n tokenMetadata\n )\n )\n }\n\n sliceStart = sliceEnd + 1\n }\n\n }\n\n return tokens\n}\n\n/**\n * The separator used to split a string into tokens. Override this property to change the behaviour of\n * `lunr.tokenizer` behaviour when tokenizing strings. By default this splits on whitespace and hyphens.\n *\n * @static\n * @see lunr.tokenizer\n */\nlunr.tokenizer.separator = /[\\s\\-]+/\n/*!\n * lunr.Pipeline\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Pipelines maintain an ordered list of functions to be applied to all\n * tokens in documents entering the search index and queries being ran against\n * the index.\n *\n * An instance of lunr.Index created with the lunr shortcut will contain a\n * pipeline with a stop word filter and an English language stemmer. Extra\n * functions can be added before or after either of these functions or these\n * default functions can be removed.\n *\n * When run the pipeline will call each function in turn, passing a token, the\n * index of that token in the original list of all tokens and finally a list of\n * all the original tokens.\n *\n * The output of functions in the pipeline will be passed to the next function\n * in the pipeline. To exclude a token from entering the index the function\n * should return undefined, the rest of the pipeline will not be called with\n * this token.\n *\n * For serialisation of pipelines to work, all functions used in an instance of\n * a pipeline should be registered with lunr.Pipeline. Registered functions can\n * then be loaded. If trying to load a serialised pipeline that uses functions\n * that are not registered an error will be thrown.\n *\n * If not planning on serialising the pipeline then registering pipeline functions\n * is not necessary.\n *\n * @constructor\n */\nlunr.Pipeline = function () {\n this._stack = []\n}\n\nlunr.Pipeline.registeredFunctions = Object.create(null)\n\n/**\n * A pipeline function maps lunr.Token to lunr.Token. A lunr.Token contains the token\n * string as well as all known metadata. A pipeline function can mutate the token string\n * or mutate (or add) metadata for a given token.\n *\n * A pipeline function can indicate that the passed token should be discarded by returning\n * null, undefined or an empty string. This token will not be passed to any downstream pipeline\n * functions and will not be added to the index.\n *\n * Multiple tokens can be returned by returning an array of tokens. Each token will be passed\n * to any downstream pipeline functions and all will returned tokens will be added to the index.\n *\n * Any number of pipeline functions may be chained together using a lunr.Pipeline.\n *\n * @interface lunr.PipelineFunction\n * @param {lunr.Token} token - A token from the document being processed.\n * @param {number} i - The index of this token in the complete list of tokens for this document/field.\n * @param {lunr.Token[]} tokens - All tokens for this document/field.\n * @returns {(?lunr.Token|lunr.Token[])}\n */\n\n/**\n * Register a function with the pipeline.\n *\n * Functions that are used in the pipeline should be registered if the pipeline\n * needs to be serialised, or a serialised pipeline needs to be loaded.\n *\n * Registering a function does not add it to a pipeline, functions must still be\n * added to instances of the pipeline for them to be used when running a pipeline.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @param {String} label - The label to register this function with\n */\nlunr.Pipeline.registerFunction = function (fn, label) {\n if (label in this.registeredFunctions) {\n lunr.utils.warn('Overwriting existing registered function: ' + label)\n }\n\n fn.label = label\n lunr.Pipeline.registeredFunctions[fn.label] = fn\n}\n\n/**\n * Warns if the function is not registered as a Pipeline function.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @private\n */\nlunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {\n var isRegistered = fn.label && (fn.label in this.registeredFunctions)\n\n if (!isRegistered) {\n lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\\n', fn)\n }\n}\n\n/**\n * Loads a previously serialised pipeline.\n *\n * All functions to be loaded must already be registered with lunr.Pipeline.\n * If any function from the serialised data has not been registered then an\n * error will be thrown.\n *\n * @param {Object} serialised - The serialised pipeline to load.\n * @returns {lunr.Pipeline}\n */\nlunr.Pipeline.load = function (serialised) {\n var pipeline = new lunr.Pipeline\n\n serialised.forEach(function (fnName) {\n var fn = lunr.Pipeline.registeredFunctions[fnName]\n\n if (fn) {\n pipeline.add(fn)\n } else {\n throw new Error('Cannot load unregistered function: ' + fnName)\n }\n })\n\n return pipeline\n}\n\n/**\n * Adds new functions to the end of the pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction[]} functions - Any number of functions to add to the pipeline.\n */\nlunr.Pipeline.prototype.add = function () {\n var fns = Array.prototype.slice.call(arguments)\n\n fns.forEach(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n this._stack.push(fn)\n }, this)\n}\n\n/**\n * Adds a single function after a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.after = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n pos = pos + 1\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Adds a single function before a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.before = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Removes a function from the pipeline.\n *\n * @param {lunr.PipelineFunction} fn The function to remove from the pipeline.\n */\nlunr.Pipeline.prototype.remove = function (fn) {\n var pos = this._stack.indexOf(fn)\n if (pos == -1) {\n return\n }\n\n this._stack.splice(pos, 1)\n}\n\n/**\n * Runs the current list of functions that make up the pipeline against the\n * passed tokens.\n *\n * @param {Array} tokens The tokens to run through the pipeline.\n * @returns {Array}\n */\nlunr.Pipeline.prototype.run = function (tokens) {\n var stackLength = this._stack.length\n\n for (var i = 0; i < stackLength; i++) {\n var fn = this._stack[i]\n var memo = []\n\n for (var j = 0; j < tokens.length; j++) {\n var result = fn(tokens[j], j, tokens)\n\n if (result === null || result === void 0 || result === '') continue\n\n if (Array.isArray(result)) {\n for (var k = 0; k < result.length; k++) {\n memo.push(result[k])\n }\n } else {\n memo.push(result)\n }\n }\n\n tokens = memo\n }\n\n return tokens\n}\n\n/**\n * Convenience method for passing a string through a pipeline and getting\n * strings out. This method takes care of wrapping the passed string in a\n * token and mapping the resulting tokens back to strings.\n *\n * @param {string} str - The string to pass through the pipeline.\n * @param {?object} metadata - Optional metadata to associate with the token\n * passed to the pipeline.\n * @returns {string[]}\n */\nlunr.Pipeline.prototype.runString = function (str, metadata) {\n var token = new lunr.Token (str, metadata)\n\n return this.run([token]).map(function (t) {\n return t.toString()\n })\n}\n\n/**\n * Resets the pipeline by removing any existing processors.\n *\n */\nlunr.Pipeline.prototype.reset = function () {\n this._stack = []\n}\n\n/**\n * Returns a representation of the pipeline ready for serialisation.\n *\n * Logs a warning if the function has not been registered.\n *\n * @returns {Array}\n */\nlunr.Pipeline.prototype.toJSON = function () {\n return this._stack.map(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n\n return fn.label\n })\n}\n/*!\n * lunr.Vector\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A vector is used to construct the vector space of documents and queries. These\n * vectors support operations to determine the similarity between two documents or\n * a document and a query.\n *\n * Normally no parameters are required for initializing a vector, but in the case of\n * loading a previously dumped vector the raw elements can be provided to the constructor.\n *\n * For performance reasons vectors are implemented with a flat array, where an elements\n * index is immediately followed by its value. E.g. [index, value, index, value]. This\n * allows the underlying array to be as sparse as possible and still offer decent\n * performance when being used for vector calculations.\n *\n * @constructor\n * @param {Number[]} [elements] - The flat list of element index and element value pairs.\n */\nlunr.Vector = function (elements) {\n this._magnitude = 0\n this.elements = elements || []\n}\n\n\n/**\n * Calculates the position within the vector to insert a given index.\n *\n * This is used internally by insert and upsert. If there are duplicate indexes then\n * the position is returned as if the value for that index were to be updated, but it\n * is the callers responsibility to check whether there is a duplicate at that index\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @returns {Number}\n */\nlunr.Vector.prototype.positionForIndex = function (index) {\n // For an empty vector the tuple can be inserted at the beginning\n if (this.elements.length == 0) {\n return 0\n }\n\n var start = 0,\n end = this.elements.length / 2,\n sliceLength = end - start,\n pivotPoint = Math.floor(sliceLength / 2),\n pivotIndex = this.elements[pivotPoint * 2]\n\n while (sliceLength > 1) {\n if (pivotIndex < index) {\n start = pivotPoint\n }\n\n if (pivotIndex > index) {\n end = pivotPoint\n }\n\n if (pivotIndex == index) {\n break\n }\n\n sliceLength = end - start\n pivotPoint = start + Math.floor(sliceLength / 2)\n pivotIndex = this.elements[pivotPoint * 2]\n }\n\n if (pivotIndex == index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex > index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex < index) {\n return (pivotPoint + 1) * 2\n }\n}\n\n/**\n * Inserts an element at an index within the vector.\n *\n * Does not allow duplicates, will throw an error if there is already an entry\n * for this index.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n */\nlunr.Vector.prototype.insert = function (insertIdx, val) {\n this.upsert(insertIdx, val, function () {\n throw \"duplicate index\"\n })\n}\n\n/**\n * Inserts or updates an existing index within the vector.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n * @param {function} fn - A function that is called for updates, the existing value and the\n * requested value are passed as arguments\n */\nlunr.Vector.prototype.upsert = function (insertIdx, val, fn) {\n this._magnitude = 0\n var position = this.positionForIndex(insertIdx)\n\n if (this.elements[position] == insertIdx) {\n this.elements[position + 1] = fn(this.elements[position + 1], val)\n } else {\n this.elements.splice(position, 0, insertIdx, val)\n }\n}\n\n/**\n * Calculates the magnitude of this vector.\n *\n * @returns {Number}\n */\nlunr.Vector.prototype.magnitude = function () {\n if (this._magnitude) return this._magnitude\n\n var sumOfSquares = 0,\n elementsLength = this.elements.length\n\n for (var i = 1; i < elementsLength; i += 2) {\n var val = this.elements[i]\n sumOfSquares += val * val\n }\n\n return this._magnitude = Math.sqrt(sumOfSquares)\n}\n\n/**\n * Calculates the dot product of this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The vector to compute the dot product with.\n * @returns {Number}\n */\nlunr.Vector.prototype.dot = function (otherVector) {\n var dotProduct = 0,\n a = this.elements, b = otherVector.elements,\n aLen = a.length, bLen = b.length,\n aVal = 0, bVal = 0,\n i = 0, j = 0\n\n while (i < aLen && j < bLen) {\n aVal = a[i], bVal = b[j]\n if (aVal < bVal) {\n i += 2\n } else if (aVal > bVal) {\n j += 2\n } else if (aVal == bVal) {\n dotProduct += a[i + 1] * b[j + 1]\n i += 2\n j += 2\n }\n }\n\n return dotProduct\n}\n\n/**\n * Calculates the similarity between this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The other vector to calculate the\n * similarity with.\n * @returns {Number}\n */\nlunr.Vector.prototype.similarity = function (otherVector) {\n return this.dot(otherVector) / this.magnitude() || 0\n}\n\n/**\n * Converts the vector to an array of the elements within the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toArray = function () {\n var output = new Array (this.elements.length / 2)\n\n for (var i = 1, j = 0; i < this.elements.length; i += 2, j++) {\n output[j] = this.elements[i]\n }\n\n return output\n}\n\n/**\n * A JSON serializable representation of the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toJSON = function () {\n return this.elements\n}\n/* eslint-disable */\n/*!\n * lunr.stemmer\n * Copyright (C) 2020 Oliver Nightingale\n * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt\n */\n\n/**\n * lunr.stemmer is an english language stemmer, this is a JavaScript\n * implementation of the PorterStemmer taken from http://tartarus.org/~martin\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token - The string to stem\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n * @function\n */\nlunr.stemmer = (function(){\n var step2list = {\n \"ational\" : \"ate\",\n \"tional\" : \"tion\",\n \"enci\" : \"ence\",\n \"anci\" : \"ance\",\n \"izer\" : \"ize\",\n \"bli\" : \"ble\",\n \"alli\" : \"al\",\n \"entli\" : \"ent\",\n \"eli\" : \"e\",\n \"ousli\" : \"ous\",\n \"ization\" : \"ize\",\n \"ation\" : \"ate\",\n \"ator\" : \"ate\",\n \"alism\" : \"al\",\n \"iveness\" : \"ive\",\n \"fulness\" : \"ful\",\n \"ousness\" : \"ous\",\n \"aliti\" : \"al\",\n \"iviti\" : \"ive\",\n \"biliti\" : \"ble\",\n \"logi\" : \"log\"\n },\n\n step3list = {\n \"icate\" : \"ic\",\n \"ative\" : \"\",\n \"alize\" : \"al\",\n \"iciti\" : \"ic\",\n \"ical\" : \"ic\",\n \"ful\" : \"\",\n \"ness\" : \"\"\n },\n\n c = \"[^aeiou]\", // consonant\n v = \"[aeiouy]\", // vowel\n C = c + \"[^aeiouy]*\", // consonant sequence\n V = v + \"[aeiou]*\", // vowel sequence\n\n mgr0 = \"^(\" + C + \")?\" + V + C, // [C]VC... is m>0\n meq1 = \"^(\" + C + \")?\" + V + C + \"(\" + V + \")?$\", // [C]VC[V] is m=1\n mgr1 = \"^(\" + C + \")?\" + V + C + V + C, // [C]VCVC... is m>1\n s_v = \"^(\" + C + \")?\" + v; // vowel in stem\n\n var re_mgr0 = new RegExp(mgr0);\n var re_mgr1 = new RegExp(mgr1);\n var re_meq1 = new RegExp(meq1);\n var re_s_v = new RegExp(s_v);\n\n var re_1a = /^(.+?)(ss|i)es$/;\n var re2_1a = /^(.+?)([^s])s$/;\n var re_1b = /^(.+?)eed$/;\n var re2_1b = /^(.+?)(ed|ing)$/;\n var re_1b_2 = /.$/;\n var re2_1b_2 = /(at|bl|iz)$/;\n var re3_1b_2 = new RegExp(\"([^aeiouylsz])\\\\1$\");\n var re4_1b_2 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var re_1c = /^(.+?[^aeiou])y$/;\n var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;\n\n var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;\n\n var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;\n var re2_4 = /^(.+?)(s|t)(ion)$/;\n\n var re_5 = /^(.+?)e$/;\n var re_5_1 = /ll$/;\n var re3_5 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var porterStemmer = function porterStemmer(w) {\n var stem,\n suffix,\n firstch,\n re,\n re2,\n re3,\n re4;\n\n if (w.length < 3) { return w; }\n\n firstch = w.substr(0,1);\n if (firstch == \"y\") {\n w = firstch.toUpperCase() + w.substr(1);\n }\n\n // Step 1a\n re = re_1a\n re2 = re2_1a;\n\n if (re.test(w)) { w = w.replace(re,\"$1$2\"); }\n else if (re2.test(w)) { w = w.replace(re2,\"$1$2\"); }\n\n // Step 1b\n re = re_1b;\n re2 = re2_1b;\n if (re.test(w)) {\n var fp = re.exec(w);\n re = re_mgr0;\n if (re.test(fp[1])) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1];\n re2 = re_s_v;\n if (re2.test(stem)) {\n w = stem;\n re2 = re2_1b_2;\n re3 = re3_1b_2;\n re4 = re4_1b_2;\n if (re2.test(w)) { w = w + \"e\"; }\n else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,\"\"); }\n else if (re4.test(w)) { w = w + \"e\"; }\n }\n }\n\n // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)\n re = re_1c;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n w = stem + \"i\";\n }\n\n // Step 2\n re = re_2;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step2list[suffix];\n }\n }\n\n // Step 3\n re = re_3;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step3list[suffix];\n }\n }\n\n // Step 4\n re = re_4;\n re2 = re2_4;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n if (re.test(stem)) {\n w = stem;\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1] + fp[2];\n re2 = re_mgr1;\n if (re2.test(stem)) {\n w = stem;\n }\n }\n\n // Step 5\n re = re_5;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n re2 = re_meq1;\n re3 = re3_5;\n if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {\n w = stem;\n }\n }\n\n re = re_5_1;\n re2 = re_mgr1;\n if (re.test(w) && re2.test(w)) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n\n // and turn initial Y back to y\n\n if (firstch == \"y\") {\n w = firstch.toLowerCase() + w.substr(1);\n }\n\n return w;\n };\n\n return function (token) {\n return token.update(porterStemmer);\n }\n})();\n\nlunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')\n/*!\n * lunr.stopWordFilter\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.generateStopWordFilter builds a stopWordFilter function from the provided\n * list of stop words.\n *\n * The built in lunr.stopWordFilter is built using this generator and can be used\n * to generate custom stopWordFilters for applications or non English languages.\n *\n * @function\n * @param {Array} token The token to pass through the filter\n * @returns {lunr.PipelineFunction}\n * @see lunr.Pipeline\n * @see lunr.stopWordFilter\n */\nlunr.generateStopWordFilter = function (stopWords) {\n var words = stopWords.reduce(function (memo, stopWord) {\n memo[stopWord] = stopWord\n return memo\n }, {})\n\n return function (token) {\n if (token && words[token.toString()] !== token.toString()) return token\n }\n}\n\n/**\n * lunr.stopWordFilter is an English language stop word list filter, any words\n * contained in the list will not be passed through the filter.\n *\n * This is intended to be used in the Pipeline. If the token does not pass the\n * filter then undefined will be returned.\n *\n * @function\n * @implements {lunr.PipelineFunction}\n * @params {lunr.Token} token - A token to check for being a stop word.\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n */\nlunr.stopWordFilter = lunr.generateStopWordFilter([\n 'a',\n 'able',\n 'about',\n 'across',\n 'after',\n 'all',\n 'almost',\n 'also',\n 'am',\n 'among',\n 'an',\n 'and',\n 'any',\n 'are',\n 'as',\n 'at',\n 'be',\n 'because',\n 'been',\n 'but',\n 'by',\n 'can',\n 'cannot',\n 'could',\n 'dear',\n 'did',\n 'do',\n 'does',\n 'either',\n 'else',\n 'ever',\n 'every',\n 'for',\n 'from',\n 'get',\n 'got',\n 'had',\n 'has',\n 'have',\n 'he',\n 'her',\n 'hers',\n 'him',\n 'his',\n 'how',\n 'however',\n 'i',\n 'if',\n 'in',\n 'into',\n 'is',\n 'it',\n 'its',\n 'just',\n 'least',\n 'let',\n 'like',\n 'likely',\n 'may',\n 'me',\n 'might',\n 'most',\n 'must',\n 'my',\n 'neither',\n 'no',\n 'nor',\n 'not',\n 'of',\n 'off',\n 'often',\n 'on',\n 'only',\n 'or',\n 'other',\n 'our',\n 'own',\n 'rather',\n 'said',\n 'say',\n 'says',\n 'she',\n 'should',\n 'since',\n 'so',\n 'some',\n 'than',\n 'that',\n 'the',\n 'their',\n 'them',\n 'then',\n 'there',\n 'these',\n 'they',\n 'this',\n 'tis',\n 'to',\n 'too',\n 'twas',\n 'us',\n 'wants',\n 'was',\n 'we',\n 'were',\n 'what',\n 'when',\n 'where',\n 'which',\n 'while',\n 'who',\n 'whom',\n 'why',\n 'will',\n 'with',\n 'would',\n 'yet',\n 'you',\n 'your'\n])\n\nlunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')\n/*!\n * lunr.trimmer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.trimmer is a pipeline function for trimming non word\n * characters from the beginning and end of tokens before they\n * enter the index.\n *\n * This implementation may not work correctly for non latin\n * characters and should either be removed or adapted for use\n * with languages with non-latin characters.\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token The token to pass through the filter\n * @returns {lunr.Token}\n * @see lunr.Pipeline\n */\nlunr.trimmer = function (token) {\n return token.update(function (s) {\n return s.replace(/^\\W+/, '').replace(/\\W+$/, '')\n })\n}\n\nlunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')\n/*!\n * lunr.TokenSet\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A token set is used to store the unique list of all tokens\n * within an index. Token sets are also used to represent an\n * incoming query to the index, this query token set and index\n * token set are then intersected to find which tokens to look\n * up in the inverted index.\n *\n * A token set can hold multiple tokens, as in the case of the\n * index token set, or it can hold a single token as in the\n * case of a simple query token set.\n *\n * Additionally token sets are used to perform wildcard matching.\n * Leading, contained and trailing wildcards are supported, and\n * from this edit distance matching can also be provided.\n *\n * Token sets are implemented as a minimal finite state automata,\n * where both common prefixes and suffixes are shared between tokens.\n * This helps to reduce the space used for storing the token set.\n *\n * @constructor\n */\nlunr.TokenSet = function () {\n this.final = false\n this.edges = {}\n this.id = lunr.TokenSet._nextId\n lunr.TokenSet._nextId += 1\n}\n\n/**\n * Keeps track of the next, auto increment, identifier to assign\n * to a new tokenSet.\n *\n * TokenSets require a unique identifier to be correctly minimised.\n *\n * @private\n */\nlunr.TokenSet._nextId = 1\n\n/**\n * Creates a TokenSet instance from the given sorted array of words.\n *\n * @param {String[]} arr - A sorted array of strings to create the set from.\n * @returns {lunr.TokenSet}\n * @throws Will throw an error if the input array is not sorted.\n */\nlunr.TokenSet.fromArray = function (arr) {\n var builder = new lunr.TokenSet.Builder\n\n for (var i = 0, len = arr.length; i < len; i++) {\n builder.insert(arr[i])\n }\n\n builder.finish()\n return builder.root\n}\n\n/**\n * Creates a token set from a query clause.\n *\n * @private\n * @param {Object} clause - A single clause from lunr.Query.\n * @param {string} clause.term - The query clause term.\n * @param {number} [clause.editDistance] - The optional edit distance for the term.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromClause = function (clause) {\n if ('editDistance' in clause) {\n return lunr.TokenSet.fromFuzzyString(clause.term, clause.editDistance)\n } else {\n return lunr.TokenSet.fromString(clause.term)\n }\n}\n\n/**\n * Creates a token set representing a single string with a specified\n * edit distance.\n *\n * Insertions, deletions, substitutions and transpositions are each\n * treated as an edit distance of 1.\n *\n * Increasing the allowed edit distance will have a dramatic impact\n * on the performance of both creating and intersecting these TokenSets.\n * It is advised to keep the edit distance less than 3.\n *\n * @param {string} str - The string to create the token set from.\n * @param {number} editDistance - The allowed edit distance to match.\n * @returns {lunr.Vector}\n */\nlunr.TokenSet.fromFuzzyString = function (str, editDistance) {\n var root = new lunr.TokenSet\n\n var stack = [{\n node: root,\n editsRemaining: editDistance,\n str: str\n }]\n\n while (stack.length) {\n var frame = stack.pop()\n\n // no edit\n if (frame.str.length > 0) {\n var char = frame.str.charAt(0),\n noEditNode\n\n if (char in frame.node.edges) {\n noEditNode = frame.node.edges[char]\n } else {\n noEditNode = new lunr.TokenSet\n frame.node.edges[char] = noEditNode\n }\n\n if (frame.str.length == 1) {\n noEditNode.final = true\n }\n\n stack.push({\n node: noEditNode,\n editsRemaining: frame.editsRemaining,\n str: frame.str.slice(1)\n })\n }\n\n if (frame.editsRemaining == 0) {\n continue\n }\n\n // insertion\n if (\"*\" in frame.node.edges) {\n var insertionNode = frame.node.edges[\"*\"]\n } else {\n var insertionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = insertionNode\n }\n\n if (frame.str.length == 0) {\n insertionNode.final = true\n }\n\n stack.push({\n node: insertionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str\n })\n\n // deletion\n // can only do a deletion if we have enough edits remaining\n // and if there are characters left to delete in the string\n if (frame.str.length > 1) {\n stack.push({\n node: frame.node,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // deletion\n // just removing the last character from the str\n if (frame.str.length == 1) {\n frame.node.final = true\n }\n\n // substitution\n // can only do a substitution if we have enough edits remaining\n // and if there are characters left to substitute\n if (frame.str.length >= 1) {\n if (\"*\" in frame.node.edges) {\n var substitutionNode = frame.node.edges[\"*\"]\n } else {\n var substitutionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = substitutionNode\n }\n\n if (frame.str.length == 1) {\n substitutionNode.final = true\n }\n\n stack.push({\n node: substitutionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // transposition\n // can only do a transposition if there are edits remaining\n // and there are enough characters to transpose\n if (frame.str.length > 1) {\n var charA = frame.str.charAt(0),\n charB = frame.str.charAt(1),\n transposeNode\n\n if (charB in frame.node.edges) {\n transposeNode = frame.node.edges[charB]\n } else {\n transposeNode = new lunr.TokenSet\n frame.node.edges[charB] = transposeNode\n }\n\n if (frame.str.length == 1) {\n transposeNode.final = true\n }\n\n stack.push({\n node: transposeNode,\n editsRemaining: frame.editsRemaining - 1,\n str: charA + frame.str.slice(2)\n })\n }\n }\n\n return root\n}\n\n/**\n * Creates a TokenSet from a string.\n *\n * The string may contain one or more wildcard characters (*)\n * that will allow wildcard matching when intersecting with\n * another TokenSet.\n *\n * @param {string} str - The string to create a TokenSet from.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromString = function (str) {\n var node = new lunr.TokenSet,\n root = node\n\n /*\n * Iterates through all characters within the passed string\n * appending a node for each character.\n *\n * When a wildcard character is found then a self\n * referencing edge is introduced to continually match\n * any number of any characters.\n */\n for (var i = 0, len = str.length; i < len; i++) {\n var char = str[i],\n final = (i == len - 1)\n\n if (char == \"*\") {\n node.edges[char] = node\n node.final = final\n\n } else {\n var next = new lunr.TokenSet\n next.final = final\n\n node.edges[char] = next\n node = next\n }\n }\n\n return root\n}\n\n/**\n * Converts this TokenSet into an array of strings\n * contained within the TokenSet.\n *\n * This is not intended to be used on a TokenSet that\n * contains wildcards, in these cases the results are\n * undefined and are likely to cause an infinite loop.\n *\n * @returns {string[]}\n */\nlunr.TokenSet.prototype.toArray = function () {\n var words = []\n\n var stack = [{\n prefix: \"\",\n node: this\n }]\n\n while (stack.length) {\n var frame = stack.pop(),\n edges = Object.keys(frame.node.edges),\n len = edges.length\n\n if (frame.node.final) {\n /* In Safari, at this point the prefix is sometimes corrupted, see:\n * https://github.com/olivernn/lunr.js/issues/279 Calling any\n * String.prototype method forces Safari to \"cast\" this string to what\n * it's supposed to be, fixing the bug. */\n frame.prefix.charAt(0)\n words.push(frame.prefix)\n }\n\n for (var i = 0; i < len; i++) {\n var edge = edges[i]\n\n stack.push({\n prefix: frame.prefix.concat(edge),\n node: frame.node.edges[edge]\n })\n }\n }\n\n return words\n}\n\n/**\n * Generates a string representation of a TokenSet.\n *\n * This is intended to allow TokenSets to be used as keys\n * in objects, largely to aid the construction and minimisation\n * of a TokenSet. As such it is not designed to be a human\n * friendly representation of the TokenSet.\n *\n * @returns {string}\n */\nlunr.TokenSet.prototype.toString = function () {\n // NOTE: Using Object.keys here as this.edges is very likely\n // to enter 'hash-mode' with many keys being added\n //\n // avoiding a for-in loop here as it leads to the function\n // being de-optimised (at least in V8). From some simple\n // benchmarks the performance is comparable, but allowing\n // V8 to optimize may mean easy performance wins in the future.\n\n if (this._str) {\n return this._str\n }\n\n var str = this.final ? '1' : '0',\n labels = Object.keys(this.edges).sort(),\n len = labels.length\n\n for (var i = 0; i < len; i++) {\n var label = labels[i],\n node = this.edges[label]\n\n str = str + label + node.id\n }\n\n return str\n}\n\n/**\n * Returns a new TokenSet that is the intersection of\n * this TokenSet and the passed TokenSet.\n *\n * This intersection will take into account any wildcards\n * contained within the TokenSet.\n *\n * @param {lunr.TokenSet} b - An other TokenSet to intersect with.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.prototype.intersect = function (b) {\n var output = new lunr.TokenSet,\n frame = undefined\n\n var stack = [{\n qNode: b,\n output: output,\n node: this\n }]\n\n while (stack.length) {\n frame = stack.pop()\n\n // NOTE: As with the #toString method, we are using\n // Object.keys and a for loop instead of a for-in loop\n // as both of these objects enter 'hash' mode, causing\n // the function to be de-optimised in V8\n var qEdges = Object.keys(frame.qNode.edges),\n qLen = qEdges.length,\n nEdges = Object.keys(frame.node.edges),\n nLen = nEdges.length\n\n for (var q = 0; q < qLen; q++) {\n var qEdge = qEdges[q]\n\n for (var n = 0; n < nLen; n++) {\n var nEdge = nEdges[n]\n\n if (nEdge == qEdge || qEdge == '*') {\n var node = frame.node.edges[nEdge],\n qNode = frame.qNode.edges[qEdge],\n final = node.final && qNode.final,\n next = undefined\n\n if (nEdge in frame.output.edges) {\n // an edge already exists for this character\n // no need to create a new node, just set the finality\n // bit unless this node is already final\n next = frame.output.edges[nEdge]\n next.final = next.final || final\n\n } else {\n // no edge exists yet, must create one\n // set the finality bit and insert it\n // into the output\n next = new lunr.TokenSet\n next.final = final\n frame.output.edges[nEdge] = next\n }\n\n stack.push({\n qNode: qNode,\n output: next,\n node: node\n })\n }\n }\n }\n }\n\n return output\n}\nlunr.TokenSet.Builder = function () {\n this.previousWord = \"\"\n this.root = new lunr.TokenSet\n this.uncheckedNodes = []\n this.minimizedNodes = {}\n}\n\nlunr.TokenSet.Builder.prototype.insert = function (word) {\n var node,\n commonPrefix = 0\n\n if (word < this.previousWord) {\n throw new Error (\"Out of order word insertion\")\n }\n\n for (var i = 0; i < word.length && i < this.previousWord.length; i++) {\n if (word[i] != this.previousWord[i]) break\n commonPrefix++\n }\n\n this.minimize(commonPrefix)\n\n if (this.uncheckedNodes.length == 0) {\n node = this.root\n } else {\n node = this.uncheckedNodes[this.uncheckedNodes.length - 1].child\n }\n\n for (var i = commonPrefix; i < word.length; i++) {\n var nextNode = new lunr.TokenSet,\n char = word[i]\n\n node.edges[char] = nextNode\n\n this.uncheckedNodes.push({\n parent: node,\n char: char,\n child: nextNode\n })\n\n node = nextNode\n }\n\n node.final = true\n this.previousWord = word\n}\n\nlunr.TokenSet.Builder.prototype.finish = function () {\n this.minimize(0)\n}\n\nlunr.TokenSet.Builder.prototype.minimize = function (downTo) {\n for (var i = this.uncheckedNodes.length - 1; i >= downTo; i--) {\n var node = this.uncheckedNodes[i],\n childKey = node.child.toString()\n\n if (childKey in this.minimizedNodes) {\n node.parent.edges[node.char] = this.minimizedNodes[childKey]\n } else {\n // Cache the key for this node since\n // we know it can't change anymore\n node.child._str = childKey\n\n this.minimizedNodes[childKey] = node.child\n }\n\n this.uncheckedNodes.pop()\n }\n}\n/*!\n * lunr.Index\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * An index contains the built index of all documents and provides a query interface\n * to the index.\n *\n * Usually instances of lunr.Index will not be created using this constructor, instead\n * lunr.Builder should be used to construct new indexes, or lunr.Index.load should be\n * used to load previously built and serialized indexes.\n *\n * @constructor\n * @param {Object} attrs - The attributes of the built search index.\n * @param {Object} attrs.invertedIndex - An index of term/field to document reference.\n * @param {Object} attrs.fieldVectors - Field vectors\n * @param {lunr.TokenSet} attrs.tokenSet - An set of all corpus tokens.\n * @param {string[]} attrs.fields - The names of indexed document fields.\n * @param {lunr.Pipeline} attrs.pipeline - The pipeline to use for search terms.\n */\nlunr.Index = function (attrs) {\n this.invertedIndex = attrs.invertedIndex\n this.fieldVectors = attrs.fieldVectors\n this.tokenSet = attrs.tokenSet\n this.fields = attrs.fields\n this.pipeline = attrs.pipeline\n}\n\n/**\n * A result contains details of a document matching a search query.\n * @typedef {Object} lunr.Index~Result\n * @property {string} ref - The reference of the document this result represents.\n * @property {number} score - A number between 0 and 1 representing how similar this document is to the query.\n * @property {lunr.MatchData} matchData - Contains metadata about this match including which term(s) caused the match.\n */\n\n/**\n * Although lunr provides the ability to create queries using lunr.Query, it also provides a simple\n * query language which itself is parsed into an instance of lunr.Query.\n *\n * For programmatically building queries it is advised to directly use lunr.Query, the query language\n * is best used for human entered text rather than program generated text.\n *\n * At its simplest queries can just be a single term, e.g. `hello`, multiple terms are also supported\n * and will be combined with OR, e.g `hello world` will match documents that contain either 'hello'\n * or 'world', though those that contain both will rank higher in the results.\n *\n * Wildcards can be included in terms to match one or more unspecified characters, these wildcards can\n * be inserted anywhere within the term, and more than one wildcard can exist in a single term. Adding\n * wildcards will increase the number of documents that will be found but can also have a negative\n * impact on query performance, especially with wildcards at the beginning of a term.\n *\n * Terms can be restricted to specific fields, e.g. `title:hello`, only documents with the term\n * hello in the title field will match this query. Using a field not present in the index will lead\n * to an error being thrown.\n *\n * Modifiers can also be added to terms, lunr supports edit distance and boost modifiers on terms. A term\n * boost will make documents matching that term score higher, e.g. `foo^5`. Edit distance is also supported\n * to provide fuzzy matching, e.g. 'hello~2' will match documents with hello with an edit distance of 2.\n * Avoid large values for edit distance to improve query performance.\n *\n * Each term also supports a presence modifier. By default a term's presence in document is optional, however\n * this can be changed to either required or prohibited. For a term's presence to be required in a document the\n * term should be prefixed with a '+', e.g. `+foo bar` is a search for documents that must contain 'foo' and\n * optionally contain 'bar'. Conversely a leading '-' sets the terms presence to prohibited, i.e. it must not\n * appear in a document, e.g. `-foo bar` is a search for documents that do not contain 'foo' but may contain 'bar'.\n *\n * To escape special characters the backslash character '\\' can be used, this allows searches to include\n * characters that would normally be considered modifiers, e.g. `foo\\~2` will search for a term \"foo~2\" instead\n * of attempting to apply a boost of 2 to the search term \"foo\".\n *\n * @typedef {string} lunr.Index~QueryString\n * @example Simple single term query\n * hello\n * @example Multiple term query\n * hello world\n * @example term scoped to a field\n * title:hello\n * @example term with a boost of 10\n * hello^10\n * @example term with an edit distance of 2\n * hello~2\n * @example terms with presence modifiers\n * -foo +bar baz\n */\n\n/**\n * Performs a search against the index using lunr query syntax.\n *\n * Results will be returned sorted by their score, the most relevant results\n * will be returned first. For details on how the score is calculated, please see\n * the {@link https://lunrjs.com/guides/searching.html#scoring|guide}.\n *\n * For more programmatic querying use lunr.Index#query.\n *\n * @param {lunr.Index~QueryString} queryString - A string containing a lunr query.\n * @throws {lunr.QueryParseError} If the passed query string cannot be parsed.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.search = function (queryString) {\n return this.query(function (query) {\n var parser = new lunr.QueryParser(queryString, query)\n parser.parse()\n })\n}\n\n/**\n * A query builder callback provides a query object to be used to express\n * the query to perform on the index.\n *\n * @callback lunr.Index~queryBuilder\n * @param {lunr.Query} query - The query object to build up.\n * @this lunr.Query\n */\n\n/**\n * Performs a query against the index using the yielded lunr.Query object.\n *\n * If performing programmatic queries against the index, this method is preferred\n * over lunr.Index#search so as to avoid the additional query parsing overhead.\n *\n * A query object is yielded to the supplied function which should be used to\n * express the query to be run against the index.\n *\n * Note that although this function takes a callback parameter it is _not_ an\n * asynchronous operation, the callback is just yielded a query object to be\n * customized.\n *\n * @param {lunr.Index~queryBuilder} fn - A function that is used to build the query.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.query = function (fn) {\n // for each query clause\n // * process terms\n // * expand terms from token set\n // * find matching documents and metadata\n // * get document vectors\n // * score documents\n\n var query = new lunr.Query(this.fields),\n matchingFields = Object.create(null),\n queryVectors = Object.create(null),\n termFieldCache = Object.create(null),\n requiredMatches = Object.create(null),\n prohibitedMatches = Object.create(null)\n\n /*\n * To support field level boosts a query vector is created per\n * field. An empty vector is eagerly created to support negated\n * queries.\n */\n for (var i = 0; i < this.fields.length; i++) {\n queryVectors[this.fields[i]] = new lunr.Vector\n }\n\n fn.call(query, query)\n\n for (var i = 0; i < query.clauses.length; i++) {\n /*\n * Unless the pipeline has been disabled for this term, which is\n * the case for terms with wildcards, we need to pass the clause\n * term through the search pipeline. A pipeline returns an array\n * of processed terms. Pipeline functions may expand the passed\n * term, which means we may end up performing multiple index lookups\n * for a single query term.\n */\n var clause = query.clauses[i],\n terms = null,\n clauseMatches = lunr.Set.empty\n\n if (clause.usePipeline) {\n terms = this.pipeline.runString(clause.term, {\n fields: clause.fields\n })\n } else {\n terms = [clause.term]\n }\n\n for (var m = 0; m < terms.length; m++) {\n var term = terms[m]\n\n /*\n * Each term returned from the pipeline needs to use the same query\n * clause object, e.g. the same boost and or edit distance. The\n * simplest way to do this is to re-use the clause object but mutate\n * its term property.\n */\n clause.term = term\n\n /*\n * From the term in the clause we create a token set which will then\n * be used to intersect the indexes token set to get a list of terms\n * to lookup in the inverted index\n */\n var termTokenSet = lunr.TokenSet.fromClause(clause),\n expandedTerms = this.tokenSet.intersect(termTokenSet).toArray()\n\n /*\n * If a term marked as required does not exist in the tokenSet it is\n * impossible for the search to return any matches. We set all the field\n * scoped required matches set to empty and stop examining any further\n * clauses.\n */\n if (expandedTerms.length === 0 && clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = lunr.Set.empty\n }\n\n break\n }\n\n for (var j = 0; j < expandedTerms.length; j++) {\n /*\n * For each term get the posting and termIndex, this is required for\n * building the query vector.\n */\n var expandedTerm = expandedTerms[j],\n posting = this.invertedIndex[expandedTerm],\n termIndex = posting._index\n\n for (var k = 0; k < clause.fields.length; k++) {\n /*\n * For each field that this query term is scoped by (by default\n * all fields are in scope) we need to get all the document refs\n * that have this term in that field.\n *\n * The posting is the entry in the invertedIndex for the matching\n * term from above.\n */\n var field = clause.fields[k],\n fieldPosting = posting[field],\n matchingDocumentRefs = Object.keys(fieldPosting),\n termField = expandedTerm + \"/\" + field,\n matchingDocumentsSet = new lunr.Set(matchingDocumentRefs)\n\n /*\n * if the presence of this term is required ensure that the matching\n * documents are added to the set of required matches for this clause.\n *\n */\n if (clause.presence == lunr.Query.presence.REQUIRED) {\n clauseMatches = clauseMatches.union(matchingDocumentsSet)\n\n if (requiredMatches[field] === undefined) {\n requiredMatches[field] = lunr.Set.complete\n }\n }\n\n /*\n * if the presence of this term is prohibited ensure that the matching\n * documents are added to the set of prohibited matches for this field,\n * creating that set if it does not yet exist.\n */\n if (clause.presence == lunr.Query.presence.PROHIBITED) {\n if (prohibitedMatches[field] === undefined) {\n prohibitedMatches[field] = lunr.Set.empty\n }\n\n prohibitedMatches[field] = prohibitedMatches[field].union(matchingDocumentsSet)\n\n /*\n * Prohibited matches should not be part of the query vector used for\n * similarity scoring and no metadata should be extracted so we continue\n * to the next field\n */\n continue\n }\n\n /*\n * The query field vector is populated using the termIndex found for\n * the term and a unit value with the appropriate boost applied.\n * Using upsert because there could already be an entry in the vector\n * for the term we are working with. In that case we just add the scores\n * together.\n */\n queryVectors[field].upsert(termIndex, clause.boost, function (a, b) { return a + b })\n\n /**\n * If we've already seen this term, field combo then we've already collected\n * the matching documents and metadata, no need to go through all that again\n */\n if (termFieldCache[termField]) {\n continue\n }\n\n for (var l = 0; l < matchingDocumentRefs.length; l++) {\n /*\n * All metadata for this term/field/document triple\n * are then extracted and collected into an instance\n * of lunr.MatchData ready to be returned in the query\n * results\n */\n var matchingDocumentRef = matchingDocumentRefs[l],\n matchingFieldRef = new lunr.FieldRef (matchingDocumentRef, field),\n metadata = fieldPosting[matchingDocumentRef],\n fieldMatch\n\n if ((fieldMatch = matchingFields[matchingFieldRef]) === undefined) {\n matchingFields[matchingFieldRef] = new lunr.MatchData (expandedTerm, field, metadata)\n } else {\n fieldMatch.add(expandedTerm, field, metadata)\n }\n\n }\n\n termFieldCache[termField] = true\n }\n }\n }\n\n /**\n * If the presence was required we need to update the requiredMatches field sets.\n * We do this after all fields for the term have collected their matches because\n * the clause terms presence is required in _any_ of the fields not _all_ of the\n * fields.\n */\n if (clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = requiredMatches[field].intersect(clauseMatches)\n }\n }\n }\n\n /**\n * Need to combine the field scoped required and prohibited\n * matching documents into a global set of required and prohibited\n * matches\n */\n var allRequiredMatches = lunr.Set.complete,\n allProhibitedMatches = lunr.Set.empty\n\n for (var i = 0; i < this.fields.length; i++) {\n var field = this.fields[i]\n\n if (requiredMatches[field]) {\n allRequiredMatches = allRequiredMatches.intersect(requiredMatches[field])\n }\n\n if (prohibitedMatches[field]) {\n allProhibitedMatches = allProhibitedMatches.union(prohibitedMatches[field])\n }\n }\n\n var matchingFieldRefs = Object.keys(matchingFields),\n results = [],\n matches = Object.create(null)\n\n /*\n * If the query is negated (contains only prohibited terms)\n * we need to get _all_ fieldRefs currently existing in the\n * index. This is only done when we know that the query is\n * entirely prohibited terms to avoid any cost of getting all\n * fieldRefs unnecessarily.\n *\n * Additionally, blank MatchData must be created to correctly\n * populate the results.\n */\n if (query.isNegated()) {\n matchingFieldRefs = Object.keys(this.fieldVectors)\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n var matchingFieldRef = matchingFieldRefs[i]\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRef)\n matchingFields[matchingFieldRef] = new lunr.MatchData\n }\n }\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n /*\n * Currently we have document fields that match the query, but we\n * need to return documents. The matchData and scores are combined\n * from multiple fields belonging to the same document.\n *\n * Scores are calculated by field, using the query vectors created\n * above, and combined into a final document score using addition.\n */\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRefs[i]),\n docRef = fieldRef.docRef\n\n if (!allRequiredMatches.contains(docRef)) {\n continue\n }\n\n if (allProhibitedMatches.contains(docRef)) {\n continue\n }\n\n var fieldVector = this.fieldVectors[fieldRef],\n score = queryVectors[fieldRef.fieldName].similarity(fieldVector),\n docMatch\n\n if ((docMatch = matches[docRef]) !== undefined) {\n docMatch.score += score\n docMatch.matchData.combine(matchingFields[fieldRef])\n } else {\n var match = {\n ref: docRef,\n score: score,\n matchData: matchingFields[fieldRef]\n }\n matches[docRef] = match\n results.push(match)\n }\n }\n\n /*\n * Sort the results objects by score, highest first.\n */\n return results.sort(function (a, b) {\n return b.score - a.score\n })\n}\n\n/**\n * Prepares the index for JSON serialization.\n *\n * The schema for this JSON blob will be described in a\n * separate JSON schema file.\n *\n * @returns {Object}\n */\nlunr.Index.prototype.toJSON = function () {\n var invertedIndex = Object.keys(this.invertedIndex)\n .sort()\n .map(function (term) {\n return [term, this.invertedIndex[term]]\n }, this)\n\n var fieldVectors = Object.keys(this.fieldVectors)\n .map(function (ref) {\n return [ref, this.fieldVectors[ref].toJSON()]\n }, this)\n\n return {\n version: lunr.version,\n fields: this.fields,\n fieldVectors: fieldVectors,\n invertedIndex: invertedIndex,\n pipeline: this.pipeline.toJSON()\n }\n}\n\n/**\n * Loads a previously serialized lunr.Index\n *\n * @param {Object} serializedIndex - A previously serialized lunr.Index\n * @returns {lunr.Index}\n */\nlunr.Index.load = function (serializedIndex) {\n var attrs = {},\n fieldVectors = {},\n serializedVectors = serializedIndex.fieldVectors,\n invertedIndex = Object.create(null),\n serializedInvertedIndex = serializedIndex.invertedIndex,\n tokenSetBuilder = new lunr.TokenSet.Builder,\n pipeline = lunr.Pipeline.load(serializedIndex.pipeline)\n\n if (serializedIndex.version != lunr.version) {\n lunr.utils.warn(\"Version mismatch when loading serialised index. Current version of lunr '\" + lunr.version + \"' does not match serialized index '\" + serializedIndex.version + \"'\")\n }\n\n for (var i = 0; i < serializedVectors.length; i++) {\n var tuple = serializedVectors[i],\n ref = tuple[0],\n elements = tuple[1]\n\n fieldVectors[ref] = new lunr.Vector(elements)\n }\n\n for (var i = 0; i < serializedInvertedIndex.length; i++) {\n var tuple = serializedInvertedIndex[i],\n term = tuple[0],\n posting = tuple[1]\n\n tokenSetBuilder.insert(term)\n invertedIndex[term] = posting\n }\n\n tokenSetBuilder.finish()\n\n attrs.fields = serializedIndex.fields\n\n attrs.fieldVectors = fieldVectors\n attrs.invertedIndex = invertedIndex\n attrs.tokenSet = tokenSetBuilder.root\n attrs.pipeline = pipeline\n\n return new lunr.Index(attrs)\n}\n/*!\n * lunr.Builder\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Builder performs indexing on a set of documents and\n * returns instances of lunr.Index ready for querying.\n *\n * All configuration of the index is done via the builder, the\n * fields to index, the document reference, the text processing\n * pipeline and document scoring parameters are all set on the\n * builder before indexing.\n *\n * @constructor\n * @property {string} _ref - Internal reference to the document reference field.\n * @property {string[]} _fields - Internal reference to the document fields to index.\n * @property {object} invertedIndex - The inverted index maps terms to document fields.\n * @property {object} documentTermFrequencies - Keeps track of document term frequencies.\n * @property {object} documentLengths - Keeps track of the length of documents added to the index.\n * @property {lunr.tokenizer} tokenizer - Function for splitting strings into tokens for indexing.\n * @property {lunr.Pipeline} pipeline - The pipeline performs text processing on tokens before indexing.\n * @property {lunr.Pipeline} searchPipeline - A pipeline for processing search terms before querying the index.\n * @property {number} documentCount - Keeps track of the total number of documents indexed.\n * @property {number} _b - A parameter to control field length normalization, setting this to 0 disabled normalization, 1 fully normalizes field lengths, the default value is 0.75.\n * @property {number} _k1 - A parameter to control how quickly an increase in term frequency results in term frequency saturation, the default value is 1.2.\n * @property {number} termIndex - A counter incremented for each unique term, used to identify a terms position in the vector space.\n * @property {array} metadataWhitelist - A list of metadata keys that have been whitelisted for entry in the index.\n */\nlunr.Builder = function () {\n this._ref = \"id\"\n this._fields = Object.create(null)\n this._documents = Object.create(null)\n this.invertedIndex = Object.create(null)\n this.fieldTermFrequencies = {}\n this.fieldLengths = {}\n this.tokenizer = lunr.tokenizer\n this.pipeline = new lunr.Pipeline\n this.searchPipeline = new lunr.Pipeline\n this.documentCount = 0\n this._b = 0.75\n this._k1 = 1.2\n this.termIndex = 0\n this.metadataWhitelist = []\n}\n\n/**\n * Sets the document field used as the document reference. Every document must have this field.\n * The type of this field in the document should be a string, if it is not a string it will be\n * coerced into a string by calling toString.\n *\n * The default ref is 'id'.\n *\n * The ref should _not_ be changed during indexing, it should be set before any documents are\n * added to the index. Changing it during indexing can lead to inconsistent results.\n *\n * @param {string} ref - The name of the reference field in the document.\n */\nlunr.Builder.prototype.ref = function (ref) {\n this._ref = ref\n}\n\n/**\n * A function that is used to extract a field from a document.\n *\n * Lunr expects a field to be at the top level of a document, if however the field\n * is deeply nested within a document an extractor function can be used to extract\n * the right field for indexing.\n *\n * @callback fieldExtractor\n * @param {object} doc - The document being added to the index.\n * @returns {?(string|object|object[])} obj - The object that will be indexed for this field.\n * @example Extracting a nested field\n * function (doc) { return doc.nested.field }\n */\n\n/**\n * Adds a field to the list of document fields that will be indexed. Every document being\n * indexed should have this field. Null values for this field in indexed documents will\n * not cause errors but will limit the chance of that document being retrieved by searches.\n *\n * All fields should be added before adding documents to the index. Adding fields after\n * a document has been indexed will have no effect on already indexed documents.\n *\n * Fields can be boosted at build time. This allows terms within that field to have more\n * importance when ranking search results. Use a field boost to specify that matches within\n * one field are more important than other fields.\n *\n * @param {string} fieldName - The name of a field to index in all documents.\n * @param {object} attributes - Optional attributes associated with this field.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this field.\n * @param {fieldExtractor} [attributes.extractor] - Function to extract a field from a document.\n * @throws {RangeError} fieldName cannot contain unsupported characters '/'\n */\nlunr.Builder.prototype.field = function (fieldName, attributes) {\n if (/\\//.test(fieldName)) {\n throw new RangeError (\"Field '\" + fieldName + \"' contains illegal character '/'\")\n }\n\n this._fields[fieldName] = attributes || {}\n}\n\n/**\n * A parameter to tune the amount of field length normalisation that is applied when\n * calculating relevance scores. A value of 0 will completely disable any normalisation\n * and a value of 1 will fully normalise field lengths. The default is 0.75. Values of b\n * will be clamped to the range 0 - 1.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.b = function (number) {\n if (number < 0) {\n this._b = 0\n } else if (number > 1) {\n this._b = 1\n } else {\n this._b = number\n }\n}\n\n/**\n * A parameter that controls the speed at which a rise in term frequency results in term\n * frequency saturation. The default value is 1.2. Setting this to a higher value will give\n * slower saturation levels, a lower value will result in quicker saturation.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.k1 = function (number) {\n this._k1 = number\n}\n\n/**\n * Adds a document to the index.\n *\n * Before adding fields to the index the index should have been fully setup, with the document\n * ref and all fields to index already having been specified.\n *\n * The document must have a field name as specified by the ref (by default this is 'id') and\n * it should have all fields defined for indexing, though null or undefined values will not\n * cause errors.\n *\n * Entire documents can be boosted at build time. Applying a boost to a document indicates that\n * this document should rank higher in search results than other documents.\n *\n * @param {object} doc - The document to add to the index.\n * @param {object} attributes - Optional attributes associated with this document.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this document.\n */\nlunr.Builder.prototype.add = function (doc, attributes) {\n var docRef = doc[this._ref],\n fields = Object.keys(this._fields)\n\n this._documents[docRef] = attributes || {}\n this.documentCount += 1\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i],\n extractor = this._fields[fieldName].extractor,\n field = extractor ? extractor(doc) : doc[fieldName],\n tokens = this.tokenizer(field, {\n fields: [fieldName]\n }),\n terms = this.pipeline.run(tokens),\n fieldRef = new lunr.FieldRef (docRef, fieldName),\n fieldTerms = Object.create(null)\n\n this.fieldTermFrequencies[fieldRef] = fieldTerms\n this.fieldLengths[fieldRef] = 0\n\n // store the length of this field for this document\n this.fieldLengths[fieldRef] += terms.length\n\n // calculate term frequencies for this field\n for (var j = 0; j < terms.length; j++) {\n var term = terms[j]\n\n if (fieldTerms[term] == undefined) {\n fieldTerms[term] = 0\n }\n\n fieldTerms[term] += 1\n\n // add to inverted index\n // create an initial posting if one doesn't exist\n if (this.invertedIndex[term] == undefined) {\n var posting = Object.create(null)\n posting[\"_index\"] = this.termIndex\n this.termIndex += 1\n\n for (var k = 0; k < fields.length; k++) {\n posting[fields[k]] = Object.create(null)\n }\n\n this.invertedIndex[term] = posting\n }\n\n // add an entry for this term/fieldName/docRef to the invertedIndex\n if (this.invertedIndex[term][fieldName][docRef] == undefined) {\n this.invertedIndex[term][fieldName][docRef] = Object.create(null)\n }\n\n // store all whitelisted metadata about this token in the\n // inverted index\n for (var l = 0; l < this.metadataWhitelist.length; l++) {\n var metadataKey = this.metadataWhitelist[l],\n metadata = term.metadata[metadataKey]\n\n if (this.invertedIndex[term][fieldName][docRef][metadataKey] == undefined) {\n this.invertedIndex[term][fieldName][docRef][metadataKey] = []\n }\n\n this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)\n }\n }\n\n }\n}\n\n/**\n * Calculates the average document length for this index\n *\n * @private\n */\nlunr.Builder.prototype.calculateAverageFieldLengths = function () {\n\n var fieldRefs = Object.keys(this.fieldLengths),\n numberOfFields = fieldRefs.length,\n accumulator = {},\n documentsWithField = {}\n\n for (var i = 0; i < numberOfFields; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n field = fieldRef.fieldName\n\n documentsWithField[field] || (documentsWithField[field] = 0)\n documentsWithField[field] += 1\n\n accumulator[field] || (accumulator[field] = 0)\n accumulator[field] += this.fieldLengths[fieldRef]\n }\n\n var fields = Object.keys(this._fields)\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i]\n accumulator[fieldName] = accumulator[fieldName] / documentsWithField[fieldName]\n }\n\n this.averageFieldLength = accumulator\n}\n\n/**\n * Builds a vector space model of every document using lunr.Vector\n *\n * @private\n */\nlunr.Builder.prototype.createFieldVectors = function () {\n var fieldVectors = {},\n fieldRefs = Object.keys(this.fieldTermFrequencies),\n fieldRefsLength = fieldRefs.length,\n termIdfCache = Object.create(null)\n\n for (var i = 0; i < fieldRefsLength; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n fieldName = fieldRef.fieldName,\n fieldLength = this.fieldLengths[fieldRef],\n fieldVector = new lunr.Vector,\n termFrequencies = this.fieldTermFrequencies[fieldRef],\n terms = Object.keys(termFrequencies),\n termsLength = terms.length\n\n\n var fieldBoost = this._fields[fieldName].boost || 1,\n docBoost = this._documents[fieldRef.docRef].boost || 1\n\n for (var j = 0; j < termsLength; j++) {\n var term = terms[j],\n tf = termFrequencies[term],\n termIndex = this.invertedIndex[term]._index,\n idf, score, scoreWithPrecision\n\n if (termIdfCache[term] === undefined) {\n idf = lunr.idf(this.invertedIndex[term], this.documentCount)\n termIdfCache[term] = idf\n } else {\n idf = termIdfCache[term]\n }\n\n score = idf * ((this._k1 + 1) * tf) / (this._k1 * (1 - this._b + this._b * (fieldLength / this.averageFieldLength[fieldName])) + tf)\n score *= fieldBoost\n score *= docBoost\n scoreWithPrecision = Math.round(score * 1000) / 1000\n // Converts 1.23456789 to 1.234.\n // Reducing the precision so that the vectors take up less\n // space when serialised. Doing it now so that they behave\n // the same before and after serialisation. Also, this is\n // the fastest approach to reducing a number's precision in\n // JavaScript.\n\n fieldVector.insert(termIndex, scoreWithPrecision)\n }\n\n fieldVectors[fieldRef] = fieldVector\n }\n\n this.fieldVectors = fieldVectors\n}\n\n/**\n * Creates a token set of all tokens in the index using lunr.TokenSet\n *\n * @private\n */\nlunr.Builder.prototype.createTokenSet = function () {\n this.tokenSet = lunr.TokenSet.fromArray(\n Object.keys(this.invertedIndex).sort()\n )\n}\n\n/**\n * Builds the index, creating an instance of lunr.Index.\n *\n * This completes the indexing process and should only be called\n * once all documents have been added to the index.\n *\n * @returns {lunr.Index}\n */\nlunr.Builder.prototype.build = function () {\n this.calculateAverageFieldLengths()\n this.createFieldVectors()\n this.createTokenSet()\n\n return new lunr.Index({\n invertedIndex: this.invertedIndex,\n fieldVectors: this.fieldVectors,\n tokenSet: this.tokenSet,\n fields: Object.keys(this._fields),\n pipeline: this.searchPipeline\n })\n}\n\n/**\n * Applies a plugin to the index builder.\n *\n * A plugin is a function that is called with the index builder as its context.\n * Plugins can be used to customise or extend the behaviour of the index\n * in some way. A plugin is just a function, that encapsulated the custom\n * behaviour that should be applied when building the index.\n *\n * The plugin function will be called with the index builder as its argument, additional\n * arguments can also be passed when calling use. The function will be called\n * with the index builder as its context.\n *\n * @param {Function} plugin The plugin to apply.\n */\nlunr.Builder.prototype.use = function (fn) {\n var args = Array.prototype.slice.call(arguments, 1)\n args.unshift(this)\n fn.apply(this, args)\n}\n/**\n * Contains and collects metadata about a matching document.\n * A single instance of lunr.MatchData is returned as part of every\n * lunr.Index~Result.\n *\n * @constructor\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n * @property {object} metadata - A cloned collection of metadata associated with this document.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData = function (term, field, metadata) {\n var clonedMetadata = Object.create(null),\n metadataKeys = Object.keys(metadata || {})\n\n // Cloning the metadata to prevent the original\n // being mutated during match data combination.\n // Metadata is kept in an array within the inverted\n // index so cloning the data can be done with\n // Array#slice\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n clonedMetadata[key] = metadata[key].slice()\n }\n\n this.metadata = Object.create(null)\n\n if (term !== undefined) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = clonedMetadata\n }\n}\n\n/**\n * An instance of lunr.MatchData will be created for every term that matches a\n * document. However only one instance is required in a lunr.Index~Result. This\n * method combines metadata from another instance of lunr.MatchData with this\n * objects metadata.\n *\n * @param {lunr.MatchData} otherMatchData - Another instance of match data to merge with this one.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData.prototype.combine = function (otherMatchData) {\n var terms = Object.keys(otherMatchData.metadata)\n\n for (var i = 0; i < terms.length; i++) {\n var term = terms[i],\n fields = Object.keys(otherMatchData.metadata[term])\n\n if (this.metadata[term] == undefined) {\n this.metadata[term] = Object.create(null)\n }\n\n for (var j = 0; j < fields.length; j++) {\n var field = fields[j],\n keys = Object.keys(otherMatchData.metadata[term][field])\n\n if (this.metadata[term][field] == undefined) {\n this.metadata[term][field] = Object.create(null)\n }\n\n for (var k = 0; k < keys.length; k++) {\n var key = keys[k]\n\n if (this.metadata[term][field][key] == undefined) {\n this.metadata[term][field][key] = otherMatchData.metadata[term][field][key]\n } else {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])\n }\n\n }\n }\n }\n}\n\n/**\n * Add metadata for a term/field pair to this instance of match data.\n *\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n */\nlunr.MatchData.prototype.add = function (term, field, metadata) {\n if (!(term in this.metadata)) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = metadata\n return\n }\n\n if (!(field in this.metadata[term])) {\n this.metadata[term][field] = metadata\n return\n }\n\n var metadataKeys = Object.keys(metadata)\n\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n\n if (key in this.metadata[term][field]) {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(metadata[key])\n } else {\n this.metadata[term][field][key] = metadata[key]\n }\n }\n}\n/**\n * A lunr.Query provides a programmatic way of defining queries to be performed\n * against a {@link lunr.Index}.\n *\n * Prefer constructing a lunr.Query using the {@link lunr.Index#query} method\n * so the query object is pre-initialized with the right index fields.\n *\n * @constructor\n * @property {lunr.Query~Clause[]} clauses - An array of query clauses.\n * @property {string[]} allFields - An array of all available fields in a lunr.Index.\n */\nlunr.Query = function (allFields) {\n this.clauses = []\n this.allFields = allFields\n}\n\n/**\n * Constants for indicating what kind of automatic wildcard insertion will be used when constructing a query clause.\n *\n * This allows wildcards to be added to the beginning and end of a term without having to manually do any string\n * concatenation.\n *\n * The wildcard constants can be bitwise combined to select both leading and trailing wildcards.\n *\n * @constant\n * @default\n * @property {number} wildcard.NONE - The term will have no wildcards inserted, this is the default behaviour\n * @property {number} wildcard.LEADING - Prepend the term with a wildcard, unless a leading wildcard already exists\n * @property {number} wildcard.TRAILING - Append a wildcard to the term, unless a trailing wildcard already exists\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with trailing wildcard\n * query.term('foo', { wildcard: lunr.Query.wildcard.TRAILING })\n * @example query term with leading and trailing wildcard\n * query.term('foo', {\n * wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING\n * })\n */\n\nlunr.Query.wildcard = new String (\"*\")\nlunr.Query.wildcard.NONE = 0\nlunr.Query.wildcard.LEADING = 1\nlunr.Query.wildcard.TRAILING = 2\n\n/**\n * Constants for indicating what kind of presence a term must have in matching documents.\n *\n * @constant\n * @enum {number}\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with required presence\n * query.term('foo', { presence: lunr.Query.presence.REQUIRED })\n */\nlunr.Query.presence = {\n /**\n * Term's presence in a document is optional, this is the default value.\n */\n OPTIONAL: 1,\n\n /**\n * Term's presence in a document is required, documents that do not contain\n * this term will not be returned.\n */\n REQUIRED: 2,\n\n /**\n * Term's presence in a document is prohibited, documents that do contain\n * this term will not be returned.\n */\n PROHIBITED: 3\n}\n\n/**\n * A single clause in a {@link lunr.Query} contains a term and details on how to\n * match that term against a {@link lunr.Index}.\n *\n * @typedef {Object} lunr.Query~Clause\n * @property {string[]} fields - The fields in an index this clause should be matched against.\n * @property {number} [boost=1] - Any boost that should be applied when matching this clause.\n * @property {number} [editDistance] - Whether the term should have fuzzy matching applied, and how fuzzy the match should be.\n * @property {boolean} [usePipeline] - Whether the term should be passed through the search pipeline.\n * @property {number} [wildcard=lunr.Query.wildcard.NONE] - Whether the term should have wildcards appended or prepended.\n * @property {number} [presence=lunr.Query.presence.OPTIONAL] - The terms presence in any matching documents.\n */\n\n/**\n * Adds a {@link lunr.Query~Clause} to this query.\n *\n * Unless the clause contains the fields to be matched all fields will be matched. In addition\n * a default boost of 1 is applied to the clause.\n *\n * @param {lunr.Query~Clause} clause - The clause to add to this query.\n * @see lunr.Query~Clause\n * @returns {lunr.Query}\n */\nlunr.Query.prototype.clause = function (clause) {\n if (!('fields' in clause)) {\n clause.fields = this.allFields\n }\n\n if (!('boost' in clause)) {\n clause.boost = 1\n }\n\n if (!('usePipeline' in clause)) {\n clause.usePipeline = true\n }\n\n if (!('wildcard' in clause)) {\n clause.wildcard = lunr.Query.wildcard.NONE\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.LEADING) && (clause.term.charAt(0) != lunr.Query.wildcard)) {\n clause.term = \"*\" + clause.term\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.TRAILING) && (clause.term.slice(-1) != lunr.Query.wildcard)) {\n clause.term = \"\" + clause.term + \"*\"\n }\n\n if (!('presence' in clause)) {\n clause.presence = lunr.Query.presence.OPTIONAL\n }\n\n this.clauses.push(clause)\n\n return this\n}\n\n/**\n * A negated query is one in which every clause has a presence of\n * prohibited. These queries require some special processing to return\n * the expected results.\n *\n * @returns boolean\n */\nlunr.Query.prototype.isNegated = function () {\n for (var i = 0; i < this.clauses.length; i++) {\n if (this.clauses[i].presence != lunr.Query.presence.PROHIBITED) {\n return false\n }\n }\n\n return true\n}\n\n/**\n * Adds a term to the current query, under the covers this will create a {@link lunr.Query~Clause}\n * to the list of clauses that make up this query.\n *\n * The term is used as is, i.e. no tokenization will be performed by this method. Instead conversion\n * to a token or token-like string should be done before calling this method.\n *\n * The term will be converted to a string by calling `toString`. Multiple terms can be passed as an\n * array, each term in the array will share the same options.\n *\n * @param {object|object[]} term - The term(s) to add to the query.\n * @param {object} [options] - Any additional properties to add to the query clause.\n * @returns {lunr.Query}\n * @see lunr.Query#clause\n * @see lunr.Query~Clause\n * @example adding a single term to a query\n * query.term(\"foo\")\n * @example adding a single term to a query and specifying search fields, term boost and automatic trailing wildcard\n * query.term(\"foo\", {\n * fields: [\"title\"],\n * boost: 10,\n * wildcard: lunr.Query.wildcard.TRAILING\n * })\n * @example using lunr.tokenizer to convert a string to tokens before using them as terms\n * query.term(lunr.tokenizer(\"foo bar\"))\n */\nlunr.Query.prototype.term = function (term, options) {\n if (Array.isArray(term)) {\n term.forEach(function (t) { this.term(t, lunr.utils.clone(options)) }, this)\n return this\n }\n\n var clause = options || {}\n clause.term = term.toString()\n\n this.clause(clause)\n\n return this\n}\nlunr.QueryParseError = function (message, start, end) {\n this.name = \"QueryParseError\"\n this.message = message\n this.start = start\n this.end = end\n}\n\nlunr.QueryParseError.prototype = new Error\nlunr.QueryLexer = function (str) {\n this.lexemes = []\n this.str = str\n this.length = str.length\n this.pos = 0\n this.start = 0\n this.escapeCharPositions = []\n}\n\nlunr.QueryLexer.prototype.run = function () {\n var state = lunr.QueryLexer.lexText\n\n while (state) {\n state = state(this)\n }\n}\n\nlunr.QueryLexer.prototype.sliceString = function () {\n var subSlices = [],\n sliceStart = this.start,\n sliceEnd = this.pos\n\n for (var i = 0; i < this.escapeCharPositions.length; i++) {\n sliceEnd = this.escapeCharPositions[i]\n subSlices.push(this.str.slice(sliceStart, sliceEnd))\n sliceStart = sliceEnd + 1\n }\n\n subSlices.push(this.str.slice(sliceStart, this.pos))\n this.escapeCharPositions.length = 0\n\n return subSlices.join('')\n}\n\nlunr.QueryLexer.prototype.emit = function (type) {\n this.lexemes.push({\n type: type,\n str: this.sliceString(),\n start: this.start,\n end: this.pos\n })\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.escapeCharacter = function () {\n this.escapeCharPositions.push(this.pos - 1)\n this.pos += 1\n}\n\nlunr.QueryLexer.prototype.next = function () {\n if (this.pos >= this.length) {\n return lunr.QueryLexer.EOS\n }\n\n var char = this.str.charAt(this.pos)\n this.pos += 1\n return char\n}\n\nlunr.QueryLexer.prototype.width = function () {\n return this.pos - this.start\n}\n\nlunr.QueryLexer.prototype.ignore = function () {\n if (this.start == this.pos) {\n this.pos += 1\n }\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.backup = function () {\n this.pos -= 1\n}\n\nlunr.QueryLexer.prototype.acceptDigitRun = function () {\n var char, charCode\n\n do {\n char = this.next()\n charCode = char.charCodeAt(0)\n } while (charCode > 47 && charCode < 58)\n\n if (char != lunr.QueryLexer.EOS) {\n this.backup()\n }\n}\n\nlunr.QueryLexer.prototype.more = function () {\n return this.pos < this.length\n}\n\nlunr.QueryLexer.EOS = 'EOS'\nlunr.QueryLexer.FIELD = 'FIELD'\nlunr.QueryLexer.TERM = 'TERM'\nlunr.QueryLexer.EDIT_DISTANCE = 'EDIT_DISTANCE'\nlunr.QueryLexer.BOOST = 'BOOST'\nlunr.QueryLexer.PRESENCE = 'PRESENCE'\n\nlunr.QueryLexer.lexField = function (lexer) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.FIELD)\n lexer.ignore()\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexTerm = function (lexer) {\n if (lexer.width() > 1) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.TERM)\n }\n\n lexer.ignore()\n\n if (lexer.more()) {\n return lunr.QueryLexer.lexText\n }\n}\n\nlunr.QueryLexer.lexEditDistance = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexBoost = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.BOOST)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexEOS = function (lexer) {\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n}\n\n// This matches the separator used when tokenising fields\n// within a document. These should match otherwise it is\n// not possible to search for some tokens within a document.\n//\n// It is possible for the user to change the separator on the\n// tokenizer so it _might_ clash with any other of the special\n// characters already used within the search string, e.g. :.\n//\n// This means that it is possible to change the separator in\n// such a way that makes some words unsearchable using a search\n// string.\nlunr.QueryLexer.termSeparator = lunr.tokenizer.separator\n\nlunr.QueryLexer.lexText = function (lexer) {\n while (true) {\n var char = lexer.next()\n\n if (char == lunr.QueryLexer.EOS) {\n return lunr.QueryLexer.lexEOS\n }\n\n // Escape character is '\\'\n if (char.charCodeAt(0) == 92) {\n lexer.escapeCharacter()\n continue\n }\n\n if (char == \":\") {\n return lunr.QueryLexer.lexField\n }\n\n if (char == \"~\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexEditDistance\n }\n\n if (char == \"^\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexBoost\n }\n\n // \"+\" indicates term presence is required\n // checking for length to ensure that only\n // leading \"+\" are considered\n if (char == \"+\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n // \"-\" indicates term presence is prohibited\n // checking for length to ensure that only\n // leading \"-\" are considered\n if (char == \"-\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n if (char.match(lunr.QueryLexer.termSeparator)) {\n return lunr.QueryLexer.lexTerm\n }\n }\n}\n\nlunr.QueryParser = function (str, query) {\n this.lexer = new lunr.QueryLexer (str)\n this.query = query\n this.currentClause = {}\n this.lexemeIdx = 0\n}\n\nlunr.QueryParser.prototype.parse = function () {\n this.lexer.run()\n this.lexemes = this.lexer.lexemes\n\n var state = lunr.QueryParser.parseClause\n\n while (state) {\n state = state(this)\n }\n\n return this.query\n}\n\nlunr.QueryParser.prototype.peekLexeme = function () {\n return this.lexemes[this.lexemeIdx]\n}\n\nlunr.QueryParser.prototype.consumeLexeme = function () {\n var lexeme = this.peekLexeme()\n this.lexemeIdx += 1\n return lexeme\n}\n\nlunr.QueryParser.prototype.nextClause = function () {\n var completedClause = this.currentClause\n this.query.clause(completedClause)\n this.currentClause = {}\n}\n\nlunr.QueryParser.parseClause = function (parser) {\n var lexeme = parser.peekLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.type) {\n case lunr.QueryLexer.PRESENCE:\n return lunr.QueryParser.parsePresence\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expected either a field or a term, found \" + lexeme.type\n\n if (lexeme.str.length >= 1) {\n errorMessage += \" with value '\" + lexeme.str + \"'\"\n }\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n}\n\nlunr.QueryParser.parsePresence = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.str) {\n case \"-\":\n parser.currentClause.presence = lunr.Query.presence.PROHIBITED\n break\n case \"+\":\n parser.currentClause.presence = lunr.Query.presence.REQUIRED\n break\n default:\n var errorMessage = \"unrecognised presence operator'\" + lexeme.str + \"'\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term or field, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term or field, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseField = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n if (parser.query.allFields.indexOf(lexeme.str) == -1) {\n var possibleFields = parser.query.allFields.map(function (f) { return \"'\" + f + \"'\" }).join(', '),\n errorMessage = \"unrecognised field '\" + lexeme.str + \"', possible fields: \" + possibleFields\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.fields = [lexeme.str]\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseTerm = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n parser.currentClause.term = lexeme.str.toLowerCase()\n\n if (lexeme.str.indexOf(\"*\") != -1) {\n parser.currentClause.usePipeline = false\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseEditDistance = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var editDistance = parseInt(lexeme.str, 10)\n\n if (isNaN(editDistance)) {\n var errorMessage = \"edit distance must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.editDistance = editDistance\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseBoost = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var boost = parseInt(lexeme.str, 10)\n\n if (isNaN(boost)) {\n var errorMessage = \"boost must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.boost = boost\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\n /**\n * export the module via AMD, CommonJS or as a browser global\n * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js\n */\n ;(function (root, factory) {\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory)\n } else if (typeof exports === 'object') {\n /**\n * Node. Does not work with strict CommonJS, but\n * only CommonJS-like enviroments that support module.exports,\n * like Node.\n */\n module.exports = factory()\n } else {\n // Browser globals (root is window)\n root.lunr = factory()\n }\n }(this, function () {\n /**\n * Just return a value to define the module export.\n * This example returns an object, but the module\n * can return a function as the exported value.\n */\n return lunr\n }))\n})();\n", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport lunr from \"lunr\"\n\nimport \"~/polyfills\"\n\nimport { Search, SearchIndexConfig } from \"../../_\"\nimport {\n SearchMessage,\n SearchMessageType\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Add support for usage with `iframe-worker` polyfill\n *\n * While `importScripts` is synchronous when executed inside of a web worker,\n * it's not possible to provide a synchronous polyfilled implementation. The\n * cool thing is that awaiting a non-Promise is a noop, so extending the type\n * definition to return a `Promise` shouldn't break anything.\n *\n * @see https://bit.ly/2PjDnXi - GitHub comment\n */\ndeclare global {\n function importScripts(...urls: string[]): Promise | void\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nlet index: Search\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch (= import) multi-language support through `lunr-languages`\n *\n * This function automatically imports the stemmers necessary to process the\n * languages, which are defined through the search index configuration.\n *\n * If the worker runs inside of an `iframe` (when using `iframe-worker` as\n * a shim), the base URL for the stemmers to be loaded must be determined by\n * searching for the first `script` element with a `src` attribute, which will\n * contain the contents of this script.\n *\n * @param config - Search index configuration\n *\n * @returns Promise resolving with no result\n */\nasync function setupSearchLanguages(\n config: SearchIndexConfig\n): Promise {\n let base = \"../lunr\"\n\n /* Detect `iframe-worker` and fix base URL */\n if (typeof parent !== \"undefined\" && \"IFrameWorker\" in parent) {\n const worker = document.querySelector(\"script[src]\")!\n const [path] = worker.src.split(\"/worker\")\n\n /* Prefix base with path */\n base = base.replace(\"..\", path)\n }\n\n /* Add scripts for languages */\n const scripts = []\n for (const lang of config.lang) {\n switch (lang) {\n\n /* Add segmenter for Japanese */\n case \"ja\":\n scripts.push(`${base}/tinyseg.js`)\n break\n\n /* Add segmenter for Hindi and Thai */\n case \"hi\":\n case \"th\":\n scripts.push(`${base}/wordcut.js`)\n break\n }\n\n /* Add language support */\n if (lang !== \"en\")\n scripts.push(`${base}/min/lunr.${lang}.min.js`)\n }\n\n /* Add multi-language support */\n if (config.lang.length > 1)\n scripts.push(`${base}/min/lunr.multi.min.js`)\n\n /* Load scripts synchronously */\n if (scripts.length)\n await importScripts(\n `${base}/min/lunr.stemmer.support.min.js`,\n ...scripts\n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Message handler\n *\n * @param message - Source message\n *\n * @returns Target message\n */\nexport async function handler(\n message: SearchMessage\n): Promise {\n switch (message.type) {\n\n /* Search setup message */\n case SearchMessageType.SETUP:\n await setupSearchLanguages(message.data.config)\n index = new Search(message.data)\n return {\n type: SearchMessageType.READY\n }\n\n /* Search query message */\n case SearchMessageType.QUERY:\n return {\n type: SearchMessageType.RESULT,\n data: index ? index.search(message.data) : { items: [] }\n }\n\n /* All other messages */\n default:\n throw new TypeError(\"Invalid message type\")\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Worker\n * ------------------------------------------------------------------------- */\n\n/* @ts-expect-error - expose Lunr.js in global scope, or stemmers won't work */\nself.lunr = lunr\n\n/* Handle messages */\naddEventListener(\"message\", async ev => {\n postMessage(await handler(ev.data))\n})\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n Object.entries = function (obj: object) {\n const data: [string, string][] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n data.push([key, obj[key]])\n\n /* Return entries */\n return data\n }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n Object.values = function (obj: object) {\n const data: string[] = []\n for (const key of Object.keys(obj))\n // @ts-expect-error - ignore property access warning\n data.push(obj[key])\n\n /* Return values */\n return data\n }\n\n/* ------------------------------------------------------------------------- */\n\n/* Polyfills for `Element` */\nif (typeof Element !== \"undefined\") {\n\n /* Polyfill `Element.scrollTo` */\n if (!Element.prototype.scrollTo)\n Element.prototype.scrollTo = function (\n x?: ScrollToOptions | number, y?: number\n ): void {\n if (typeof x === \"object\") {\n this.scrollLeft = x.left!\n this.scrollTop = x.top!\n } else {\n this.scrollLeft = x!\n this.scrollTop = y!\n }\n }\n\n /* Polyfill `Element.replaceWith` */\n if (!Element.prototype.replaceWith)\n Element.prototype.replaceWith = function (\n ...nodes: Array\n ): void {\n const parent = this.parentNode\n if (parent) {\n if (nodes.length === 0)\n parent.removeChild(this)\n\n /* Replace children and create text nodes */\n for (let i = nodes.length - 1; i >= 0; i--) {\n let node = nodes[i]\n if (typeof node === \"string\")\n node = document.createTextNode(node)\n else if (node.parentNode)\n node.parentNode.removeChild(node)\n\n /* Replace child or insert before previous sibling */\n if (!i)\n parent.replaceChild(node, this)\n else\n parent.insertBefore(this.previousSibling!, node)\n }\n }\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n parent?: SearchIndexDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n const parents = new Set()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location, title and tags */\n const location = doc.location\n const title = doc.title\n const tags = doc.tags\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path)!\n\n /* Ignore first section, override article */\n if (!parents.has(parent)) {\n parent.title = doc.title\n parent.text = text\n\n /* Remember that we processed the article */\n parents.add(parent)\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n ...tags && { tags }\n })\n }\n }\n return documents\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexConfig } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n * @param escape - Whether to escape HTML\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig, escape: boolean\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (query: string) => {\n query = query\n .replace(/[\\s*+\\-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n query\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight string value */\n return value => (\n escape\n ? escapeHTML(value)\n : value\n )\n .replace(match, highlight)\n .replace(/<\\/mark>(\\s+)]*>/img, \"$1\")\n }\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query clause\n */\nexport interface SearchQueryClause {\n presence: lunr.Query.presence /* Clause presence */\n term: string /* Clause term */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search query terms\n */\nexport type SearchQueryTerms = Record\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Parse a search query for analysis\n *\n * @param value - Query value\n *\n * @returns Search query clauses\n */\nexport function parseSearchQuery(\n value: string\n): SearchQueryClause[] {\n const query = new (lunr as any).Query([\"title\", \"text\"])\n const parser = new (lunr as any).QueryParser(value, query)\n\n /* Parse and return query clauses */\n parser.parse()\n return query.clauses\n}\n\n/**\n * Analyze the search query clauses in regard to the search terms found\n *\n * @param query - Search query clauses\n * @param terms - Search terms\n *\n * @returns Search query terms\n */\nexport function getSearchQueryTerms(\n query: SearchQueryClause[], terms: string[]\n): SearchQueryTerms {\n const clauses = new Set(query)\n\n /* Match query clauses against terms */\n const result: SearchQueryTerms = {}\n for (let t = 0; t < terms.length; t++)\n for (const clause of clauses)\n if (terms[t].startsWith(clause.term)) {\n result[clause.term] = true\n clauses.delete(clause)\n }\n\n /* Annotate unmatched non-stopword query clauses */\n for (const clause of clauses)\n if (lunr.stopWordFilter?.(clause.term as any))\n result[clause.term] = false\n\n /* Return query terms */\n return result\n}\n", "/*\n * Copyright (c) 2016-2022 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n SearchDocument,\n SearchDocumentMap,\n setupSearchDocumentMap\n} from \"../document\"\nimport {\n SearchHighlightFactoryFn,\n setupSearchHighlighter\n} from \"../highlighter\"\nimport { SearchOptions } from \"../options\"\nimport {\n SearchQueryTerms,\n getSearchQueryTerms,\n parseSearchQuery\n} from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index configuration\n */\nexport interface SearchIndexConfig {\n lang: string[] /* Search languages */\n separator: string /* Search separator */\n}\n\n/**\n * Search index document\n */\nexport interface SearchIndexDocument {\n location: string /* Document location */\n title: string /* Document title */\n text: string /* Document text */\n tags?: string[] /* Document tags */\n boost?: number /* Document boost */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index\n *\n * This interfaces describes the format of the `search_index.json` file which\n * is automatically built by the MkDocs search plugin.\n */\nexport interface SearchIndex {\n config: SearchIndexConfig /* Search index configuration */\n docs: SearchIndexDocument[] /* Search index documents */\n options: SearchOptions /* Search options */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search metadata\n */\nexport interface SearchMetadata {\n score: number /* Score (relevance) */\n terms: SearchQueryTerms /* Search query terms */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result document\n */\nexport type SearchResultDocument = SearchDocument & SearchMetadata\n\n/**\n * Search result item\n */\nexport type SearchResultItem = SearchResultDocument[]\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result\n */\nexport interface SearchResult {\n items: SearchResultItem[] /* Search result items */\n suggestions?: string[] /* Search suggestions */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute the difference of two lists of strings\n *\n * @param a - 1st list of strings\n * @param b - 2nd list of strings\n *\n * @returns Difference\n */\nfunction difference(a: string[], b: string[]): string[] {\n const [x, y] = [new Set(a), new Set(b)]\n return [\n ...new Set([...x].filter(value => !y.has(value)))\n ]\n}\n\n/* ----------------------------------------------------------------------------\n * Class\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nexport class Search {\n\n /**\n * Search document mapping\n *\n * A mapping of URLs (including hash fragments) to the actual articles and\n * sections of the documentation. The search document mapping must be created\n * regardless of whether the index was prebuilt or not, as Lunr.js itself\n * only stores the actual index.\n */\n protected documents: SearchDocumentMap\n\n /**\n * Search highlight factory function\n */\n protected highlight: SearchHighlightFactoryFn\n\n /**\n * The underlying Lunr.js search index\n */\n protected index: lunr.Index\n\n /**\n * Search options\n */\n protected options: SearchOptions\n\n /**\n * Create the search integration\n *\n * @param data - Search index\n */\n public constructor({ config, docs, options }: SearchIndex) {\n this.options = options\n\n /* Set up document map and highlighter factory */\n this.documents = setupSearchDocumentMap(docs)\n this.highlight = setupSearchHighlighter(config, false)\n\n /* Set separator for tokenizer */\n lunr.tokenizer.separator = new RegExp(config.separator)\n\n /* Create search index */\n this.index = lunr(function () {\n\n /* Set up multi-language support */\n if (config.lang.length === 1 && config.lang[0] !== \"en\") {\n this.use((lunr as any)[config.lang[0]])\n } else if (config.lang.length > 1) {\n this.use((lunr as any).multiLanguage(...config.lang))\n }\n\n /* Compute functions to be removed from the pipeline */\n const fns = difference([\n \"trimmer\", \"stopWordFilter\", \"stemmer\"\n ], options.pipeline)\n\n /* Remove functions from the pipeline for registered languages */\n for (const lang of config.lang.map(language => (\n language === \"en\" ? lunr : (lunr as any)[language]\n ))) {\n for (const fn of fns) {\n this.pipeline.remove(lang[fn])\n this.searchPipeline.remove(lang[fn])\n }\n }\n\n /* Set up reference */\n this.ref(\"location\")\n\n /* Set up fields */\n this.field(\"title\", { boost: 1e3 })\n this.field(\"text\")\n this.field(\"tags\", { boost: 1e6, extractor: doc => {\n const { tags = [] } = doc as SearchDocument\n return tags.reduce((list, tag) => [\n ...list,\n ...lunr.tokenizer(tag)\n ], [] as lunr.Token[])\n } })\n\n /* Index documents */\n for (const doc of docs)\n this.add(doc, { boost: doc.boost })\n })\n }\n\n /**\n * Search for matching documents\n *\n * The search index which MkDocs provides is divided up into articles, which\n * contain the whole content of the individual pages, and sections, which only\n * contain the contents of the subsections obtained by breaking the individual\n * pages up at `h1` ... `h6`. As there may be many sections on different pages\n * with identical titles (for example within this very project, e.g. \"Usage\"\n * or \"Installation\"), they need to be put into the context of the containing\n * page. For this reason, section results are grouped within their respective\n * articles which are the top-level results that are returned.\n *\n * @param query - Query value\n *\n * @returns Search results\n */\n public search(query: string): SearchResult {\n if (query) {\n try {\n const highlight = this.highlight(query)\n\n /* Parse query to extract clauses for analysis */\n const clauses = parseSearchQuery(query)\n .filter(clause => (\n clause.presence !== lunr.Query.presence.PROHIBITED\n ))\n\n /* Perform search and post-process results */\n const groups = this.index.search(`${query}*`)\n\n /* Apply post-query boosts based on title and search query terms */\n .reduce((item, { ref, score, matchData }) => {\n const document = this.documents.get(ref)\n if (typeof document !== \"undefined\") {\n const { location, title, text, tags, parent } = document\n\n /* Compute and analyze search query terms */\n const terms = getSearchQueryTerms(\n clauses,\n Object.keys(matchData.metadata)\n )\n\n /* Highlight title and text and apply post-query boosts */\n const boost = +!parent + +Object.values(terms).every(t => t)\n item.push({\n location,\n title: highlight(title),\n text: highlight(text),\n ...tags && { tags: tags.map(highlight) },\n score: score * (1 + boost),\n terms\n })\n }\n return item\n }, [])\n\n /* Sort search results again after applying boosts */\n .sort((a, b) => b.score - a.score)\n\n /* Group search results by page */\n .reduce((items, result) => {\n const document = this.documents.get(result.location)\n if (typeof document !== \"undefined\") {\n const ref = \"parent\" in document\n ? document.parent!.location\n : document.location\n items.set(ref, [...items.get(ref) || [], result])\n }\n return items\n }, new Map())\n\n /* Generate search suggestions, if desired */\n let suggestions: string[] | undefined\n if (this.options.suggestions) {\n const titles = this.index.query(builder => {\n for (const clause of clauses)\n builder.term(clause.term, {\n fields: [\"title\"],\n presence: lunr.Query.presence.REQUIRED,\n wildcard: lunr.Query.wildcard.TRAILING\n })\n })\n\n /* Retrieve suggestions for best match */\n suggestions = titles.length\n ? Object.keys(titles[0].matchData.metadata)\n : []\n }\n\n /* Return items and suggestions */\n return {\n items: [...groups.values()],\n ...typeof suggestions !== \"undefined\" && { suggestions }\n }\n\n /* Log errors to console (for now) */\n } catch {\n console.warn(`Invalid query: ${query} \u2013 see https://bit.ly/2s3ChXG`)\n }\n }\n\n /* Return nothing in case of error or empty query */\n return { items: [] }\n }\n}\n"], + "mappings": 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\ No newline at end of file diff --git a/hall-of-fame/index.html b/hall-of-fame/index.html new file mode 100644 index 000000000..c3585f327 --- /dev/null +++ b/hall-of-fame/index.html @@ -0,0 +1,875 @@ + + + + + + + + + + + + + + + + Hall of Fame - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Hall of Fame

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    A list of student groups with links to their merged PRs in open source projects.

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    2022 Fall

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    Group NameTeam MembersProjectMerged PRs
    allnightersFatima Alsafar, Mariam Al Thani, Danagul AzimzhanovaOpen Library#7149
    Team QueensAnastasia Cheypesh, Shaikha Al Emadi, Fangjiao Xu, Noor AltamimiCompanionship Care#153
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    2023 Fall

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    Group NameTeam MembersProjectMerged PRs
    6 bitsAl Maha Al Jabor, Ali Al-Quradaghi, Fatima Johar, Shahad Adnan Astanehactivist.org#586, #593
    Inshallah ALujain Al Mansoori, Zainab Ahmed, Saada Al-Ghasel, Mohammad AnnanDiary Vault#161
    Just RelaxAisha Al-Subaie, Aboud Abdalla, Huda Joad, Maria Aidarus, Rama SulaimanLearnDB#76
    Generation ZMaryam Rahmatullah, Ruban Faisal, Steve Ndayambaje, Ghalya Johar, Abdulraouf AbdelzaherTenantee#504
    NirvanaAl Dana Al-Naemi, Alanoud Al Thani, Anushka Satpute, Ulan Seitkaliyev, Abdulla Al-SulaitiNoisekun#627
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    2024 Fall

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    TBD

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    + + + + + + + + + \ No newline at end of file diff --git a/index.html b/index.html new file mode 100644 index 000000000..fe1ebcc99 --- /dev/null +++ b/index.html @@ -0,0 +1,3072 @@ + + + + + + + + + + + + + + + + CMU 17-313: Foundations of Software Engineering - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    17-313 Foundations of Software Engineering

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    This Week

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    + Lectures & Readings +
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    + + +
    + Intro +
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    + calendar_month + Sun Aug 25 +
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    + + +
    + Software Archeology and Anthropology +
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    + calendar_month + Tue Aug 27 +
    + + + + + + link + Software Archaeology + + + + + +
    + +
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    + Recitation +
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    + + None! + +
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    + Office Hours +
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    + Held on the ARC. See class calendar below for exact times! +
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    + Projects +
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    + + None! + +
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    Class Calendar

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    Weekly Schedule

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    DateLectureReadingRecitationProject Deadline
    Sun Aug 25 + + Intro + + + + + Project 1 +
    + Due Sun Sep 1 @ 11:59pm +
    + + + + descriptionHandout + + +
    Mon Aug 26 + + + +
    Tue Aug 27 + + Software Archeology and Anthropology + + + + + Software Archaeology + + +
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    Thu Sep 26 + + Sprint#1 Presentations + + + +
    Sun Sep 29 + + + +
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    Tue Oct 01 + + + +
    Wed Oct 02 + + + +
    Thu Oct 03 + + + + + Recitation 5: Midterm Review +
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    Sun Oct 06 + + Midterm 1 + + + +
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    Wed Oct 09 + + + +
    Thu Oct 10 + + + + + Recitation 6 +
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    Sun Oct 13 + + NO CLASS (Fall Break) + + + +
    Mon Oct 14 + + + +
    Tue Oct 15 + + NO CLASS (Fall Break) + + + +
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    Thu Nov 14 + + NO CLASS (Day for Community Engagement) + + + +
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    Staff

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    Instructor

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    + Eduardo Feo-Flushing +

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    + + mail + + + + public + + +
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    Teaching Assistant

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    + + + +
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    + +
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    + Nour Ali +

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    + + mail + + +
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    + + +
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    Course Assistants

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    + + + +
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    + +
    +

    + Maryam Rahmatullah +

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    + + mail + + +
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    +
    + + +
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    + +
    +

    + Steve Ndayambaje +

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    + + mail + + +
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    + + +
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    + +
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    + Boushra Bendou +

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    + + mail + + +
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    + + + + + + + + + \ No newline at end of file diff --git a/overview/index.html b/overview/index.html new file mode 100644 index 000000000..aa087e307 --- /dev/null +++ b/overview/index.html @@ -0,0 +1,872 @@ + + + + + + + + + + + + + + + + Course Overview - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Course Overview

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    Questions

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    • When is a program good enough to ship? Have you built what the customer wanted?
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    • Why (and how) does Netflix deliberately and randomly take down its own servers?
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    • What can we learn from the Boeing 737 disaster?
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    • How did Twitter eradicate the Fail Whale? And what does it have to do with Ruby?
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    • How do you get a patch accepted into an open-source project?
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    • You can write code. Can you build software?
      • +
    +

    Overview

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    Successful software projects require more than just technical expertise. Figuring out what the client wants, collaborating in a team, managing complexity, mitigating risks, staying on time and budget, and determining under various constraints when a product is good enough to be shipped are at least equally important topics that often have a significant human component. 17-313 explores these issues while broadly covering the fundamentals of modern software engineering.

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    Assuming reasonably solid programming skills (including unit testing and code-level design), we will explore the following topics:

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    • Process consideration for software development + (How do avoid problems early? When and how much to design? When and how much to test? When and how to involve the customers? Agile methods...)
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    • Requirements elicitation, documentation, and evaluation + (How to figure out what the customer really wants? Who else has an interest? How can we measure success objectively? How can we reliably document expectations? ...)
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    • Design for quality attributes + (How can we design a system to be able to scale to millions of users? How can we design security into a system? ...)
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    • Strategies for quality assurance, including measurement, inspection, and static and dynamic analysis + (What quality assurance strategy is best for a given system? What can we automate and when should we keep humans in the loop? How much testing and what kind of testing should we do? What qualities are important to assure beyond functional correctness? Can we evaluate usability, scalability, reliability, performance? How can we statically guarantee the absence of certain security issues? ...)
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    • Empirical methods in software engineering + (How can we measure quality attributes such as performance, security, and reliability? How can we measure how users interact with the system? How can we know whether the difference matters? ...)
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    • Time and team management + (How to estimate the duration and costs of a project? How to monitor progress and risks to recognize issues early? How to coordinate developers in a team? How to form and develop teams? How to select and motivate team members? How to deal with team dynamics such as social loafing? ...)
      • +
    • Economics of software development + (Business models, outsourcing, open source, ...)
      • +
    +

    This course has a strong technical focus, and includes assignments with and without programming. Many assignments will also have written components. Students will get experience with team management and modern software-engineering tools. The course puts students on a fast track toward project management positions.

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    Assignments (mostly done in groups) include:

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    • An introduction assignment where individual students will learn to engage with an existing code base.
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    • A requirements assignment in which each team will interview stakeholders to elicit and document requirements for a software system.
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    • An architecture assignment in which teams will train and deploy an ML model using microservices.
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    • A project in which each team contributes to an open source project of their choice. This involves identifying an issue in the existing project, understanding the development process of that project and how to contribute, and actually making a contribution such as fixing a bug or adding a feature. Extra credit will be awarded if the contribution is merged into the project.
      • +
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    Previous Course Iterations

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    Qatar

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    Fall 2022 | Fall 2023

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    Pittsburgh

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    Fall 2020 | Fall 2021 | Fall 2022 | Spring 2023

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    Project 1A: Build Checkpoint

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    Deliverables

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    Build Checkpoint – 5 points – due Sunday, September 1st, 11:59pm

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    Getting Started

    +

    Repository Setup

    +

    Fork the class-specific repository into your personal GitHub account.

    +
    +

    Warning

    +

    Even though this project is based off of an active open source project, we have made significant changes to ensure its suitability for our class. As such, be sure you are forking off of CMU-17313Q/NodeBB and direct any questions to course staff. Do not contact the maintainers of NodeBB for assistance with your homework questions.

    +
    +

    Ensure that GitHub Actions are enabled (click the green button under the "Actions" tab), then follow the below installation instructions based on your computer's operating system:

    + +

    Once you have run NodeBB successfully, you should be able to navigate to http://localhost:4567 and see the main forum page. By default, NodeBB will be deployed to port 4567 on your machine. You may change this port number (e.g. to avoid conflict with another process running on your machine).

    +

    NodeBB Main Page

    +
    +

    Warning

    +

    In this class, we do expect students to first try debugging errors on their own; this includes following stack traces, searching up error strings and unfamiliar outputs, etc. If you do get stuck, or if the process of installing and running NodeBB is taking you more than a few hours, stop and ask for help on Slack!

    +
    +

    Take some time to click through the pages and explore the different features that NodeBB has to offer.

    +

    Lint and Test

    +

    When working on an existing codebase, especially in a collaborative setting, we want to ensure that none of our changes introduce unexpected bugs or issues for other developers. To fulfill these goals, we often use different tools to help us evaluate our code. Luckily, NodeBB is already packaged with a number of neat tools!

    +

    First, make sure all dependencies are installed:

    +
    npm install
+
    +

    You can run the linter and test suite using the following two commands: +

    npm run lint
+npm run test
+

    +

    After the test suite finishes running, NodeBB will also generate a code coverage report. This report gives you measurements with regards to what percentage of the codebase is covered by the test suite. Open the index.html file in the coverage folder to see the full report.

    +
    +

    Coverage Report

    +

    As this is an existing codebase with a decently-sized test suite, you should expect to see a relatively high percentage of coverage, i.e. the majority of the bars/cells displayed should be green.

    +

    If you are seeing a lot of red bars, it may mean that the test suite was not run properly. Double-check that all of the tests passed and that there were no failures.

    +
    +
    +More on Analysis Tools +

    A linter is a tool that directly analyzes your source code for common errors. A test suite is a set of test cases that you write for a software program to show that it has some specified set of behaviors; our testing tool provides a framework to structure our test cases, runs the test suite, and generates a report of which tests pass/fail.

    +

    We will do a more in-depth exploration of analysis tools later in the course. For now, just know that these tools exist for you to use in evaluating your code.

    +
    +

    Build Checkpoint (5 pts)

    +

    Upon completing the above steps, take screenshots of

    +
      +
    • the home page of NodeBB, and
      • +
    • the coverage report generated by the coverage tool
      • +
    +

    opened in your browser. Be sure the URL is clearly visible in both screenshots (i.e. localhost:4567 and the file path to your coverage file), so we can confirm that you have everything running locally.

    +

    Submit the two screenshots to Gradescope.

    +

    Grading

    +

    To receive full credit for this checkpoint, we expect:

    +
      +
    • A Gradescope submission of two screenshots showing a local running build of NodeBB and the coverage report within a browser
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    Project 1B: Starter Task

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    Deliverables

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    Starter Task - 95 points - due Thursday, September 5th, 11:59PM

    + +

    Onboarding

    +

    Now that you have explored the repository, the development team would like to give you an onboarding assignment.

    +

    The team has noticed an accumulation of warnings in SonarCloud, a continuous code quality inspection tool. Your task is to remove SonarCloud warnings by refactoring code and validating that your change takes effect within the NodeBB codebase.

    +

    Prerequisites

    +

    Onboarding Materials

    +

    Before jumping into the codebase, please review the course syllabus and be sure you have access to each of the following:

    +
      +
    • Course Slack - check your email for an invite link
      • +
    • Gradescope
      • +
    +

    If you run into any trouble accessing the above or have any questions, reach out to the instructors.

    +

    Git & GitHub

    +

    In this project and throughout the rest of this course, you will be expected to work extensively with Git and GitHub. Specifically for this project, you should be familiar with:

    +
      +
    • Forking/cloning GitHub repositories
      • +
    • Understanding general Git flow - pulling, branching, adding, committing, pushing, merging
      • +
    • Creating GitHub Issues and using related features (labels, assignees, milestones)
      • +
    • Creating GitHub Pull Requests and using related features (linking to issues)
      • +
    • Creating GitHub Project Boards
      • +
    +

    If you are not familiar with any of these steps, you are highly recommended to first complete Recitation 2 - Git, GitHub, as it will cover the standards we are expecting in this class (which you will be graded upon). Refer to the Resources & Documentation section if needed.

    +

    GitHub Issue (20 pts)

    +

    First, choose a single file that has SonarCloud warning(s) and open a github issue in the class repository to declare which file and SonarCloud warning(s) that you will be working on.

    +

    For the task, the file must

    +
      +
    • Be a Javascript file.
      • +
    • Be in the src/ folder.
      • +
    • Be a file that no one else in the class has picked and created an issue for. We expect you to look through existing issues, if any, to avoid such duplication (thus, there is an incentive for you to start early!)
      • +
    +

    The SonarCloud warning must be categorized under the Adaptability section and contain the "Refactor" key word. The goal of this task is to refactor code in the NodeBB codebase based on the specifications of the SonarCloud warning.

    +

    Title the task appropriately, such as Refactoring code in <file name>, and mention the file name in the description. To prevent ambiguities between similarly-named files, be sure to use the full file path (src/../xx.js) in the title and description. Additionally, within the issue description, be sure to include an explanation of the SonarCloud warnings that you are working on.

    +
    +Issue Guidelines +

    Issues titles should provide a high-level overview of what the problem is (e.g. "Navbar button UI bugs", "Unexpected registration validation errors"). Sometimes, issues are used to propose new features (e.g. "Add CSV export feature").

    +

    Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files.

    +
    +

    Then, assign yourself to the Issue by leaving a comment that says "I would like to work on this please!"

    +

    You should soon see another comment by the github-actions bot informing you that you have been successfully assigned to this issue.

    +

    Bot Issue Assignment

    +
    +Why Bot Assignment? +

    You might be curious as to why we are using a GitHub bot instead of directly assigning yourself to the issue. As you aren’t officially recognized as a collaborator of CMU-313/NodeBB, GitHub adds some restrictions to your permissions for security purposes, including not being able to assign yourself to an issue. Hence, we are using a bot to work around these restrictions. This is similar to how you would request issues on an Open Source project!

    +

    For future projects, you will have full control over these GitHub features such as managing assignees, adding labels, creating milestones, and more.

    +
    +

    Task (10 pts)

    +

    For this task, you will focus on refactoring the code and removing all the corresponding SonarCloud warning(s) from your chosen file. As part of the task, you would also need to validate your changes for one SonarCloud warning utilizing code coverage and running a NodeBB instance.

    +

    Back in your own fork, create a feature branch and implement the changes needed to address the SonarCloud warnings. You should start with the following steps:

    +
      +
    • Review the SonarCloud warnings for the file.
      • +
    • Identify the necessary code changes to address each warning.
      • +
    • Implement the changes and ensure that they do not introduce new warnings or issues.
      • +
    • Run the linter and test suite to ensure your changes pass all checks.
      • +
    +

    You can check that your refactored code removes the warning by following the SonarCloud links automatically generated in the PR after the checks are run. You could also go to SonarCloud's Pull Request list and search for your PR there.

    +

    For the validation part of the task, you only need to validate the refactored code you have worked on for one SonarCloud warning in the file you chose. You should examine the code coverage report (either the local HTML report or the online one generated by CoverAlls when you make a pull request) to ensure that the refactored code are included in the test coverage. If not, continue with the following steps:

    +
      +
    • Locate the tests that are currently covering that file.
      • +
    • Write tests that will add coverage to the refactored code you've written.
      • +
    • All new tests added by you must pass.
      • +
    • The tests that you write should be similar to the existing tests (e.g., do not introduce a new testing framework).
      • +
    +

    We also want you to manually test your changes in a running NodeBB instance. The purpose is to trigger the refactored code's execution from the user interface (UI) with the following steps:

    +
      +
    • Within your implementation, add a print statement (e.g. console.log(YOUR_NAME)) immediately before, after, or in the middle of your refactored code.
      • +
    • Restart the NodeBB instance and watch its logs via ./nodebb log.
      • +
    • Perform any necessary UI operations that execute the refactored code (e.g. clicking buttons for an action)
      • +
    • Take a screenshot of these logs to include within your report with an explanation of the steps taken to trigger the code.
      • +
    +

    GitHub Pull Request (25 pts)

    +

    As you work, be sure to periodically commit your changes. Your commit message(s) must clearly describe what is changing. If you’d like, you can also make use of branching and pull requests in your own repository to practice working with GitHub.

    +
    +Branch and Commit Guidelines +

    Branch names should be short and provide a description of what you will be doing on that branch (e.g. "fix-header-sizing-issue", "fix-multiple-dialog-bug", "add-sorting-feature"). When working with others, you can also append your username to signal which branches are yours (e.g. "313ta/add-sorting-feature").

    +

    Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. "Remove faulty condition from getCustomerDetails", "Fix failing CompositeTestCase", "Fix issue #21" ).

    +
    +

    Once you are satisfied, open a pull request from your personal branch back to the class repository. Similar to the Issue, your PR title should mention the full path of the file you’ve changed. The PR body should summarize the changes you made and use one of the linking keywords to link the issue that you previously opened (e.g. adding resolves #313 will signal to GitHub that this PR resolves issue number 313).

    +
    +Pull Request Guidelines +

    Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages.

    +

    Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested.

    +
    +

    There will be automated checks that run on your pull request to ensure you meet the requirements of this assignment. Some of them take a while to run, so be sure to check on your pull request periodically to ensure that all these actions pass and everything is working properly!

    +
    +

    Test Suite Failures

    +

    If the tests are failing on GitHub but work locally, it may be caused by server overload. Re-running the failing GitHub Action 1-2 times will resolve this.

    +
    +

    You should ensure that all checks including SonarCloud Quality Gate as well as Lint & Test are green. If all of the actions have passed, you will see a green checkmark next to your pull request. This signals that you have completed the implementation aspect of this assignment! ✅

    +

    Written Assignment (40 pts)

    +

    After you have completed all of the above tasks, we will ask you some questions relevant to the NodeBB project and the course syllabus. Fill out and submit the HW1 Written Assignment available on Gradescope.

    +

    Grading

    +

    To receive full credit for this project, we expect:

    +
      +
    • A GitHub Issue with:
        +
      • A selected JavaScript file that follows our requirements above
        • +
      • A meaningful title and description that includes the full path of the file
        • +
      • A successful self-assignment as an assignee
        • +
      +
      • +
    • A GitHub Pull Request with:
        +
      • A meaningful title that includes the full path of the file
        • +
      • A description body that describes the changes made and links the pull request to the issue
        • +
      • Meaningful commit messages
        • +
      • Appropriate usage of the eslint-ignore comment
        • +
      • A green checkmark signaling that all checks have passed
        • +
      +
      • +
    • Answers to the Gradescope Written Assignment that demonstrate successful completion of the project and understanding of the benefits and limitations of software metrics in the context of NodeBB
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    Resources & Documentation

    +

    Below are some common resources to assist you with your completion of this project. If you get stuck, start by consulting the following materials; if you have any additional questions, the course staff will be available to answer questions via Slack and Office Hours.

    +

    Git & GitHub Documentation

    +

    Documentation for working with Git and GitHub:

    + +

    We also have a simple Git-based exercise that you are highly recommeneded to complete before proceeding with this project.

    +

    NodeBB Documentation

    +

    The official NodeBB documentation is available at https://docs.nodebb.org. The CMU-313 snapshot is a fork of v3.8.4.

    +

    When developing with NodeBB, the following documentation about internal REST API endpoints might be helpful: +- Read API +- Write API

    +

    If you want to run HTTP requests to interact with the REST API of a running NodeBB instance (e.g., on localhost), then you can use the curl tool to issue HTTP requests via the command-line. +- Tutorial on using curl for testing a REST API

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    Frequently Asked Questions

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    This section is meant to contain frequently asked questions about the homework. We will continue to update this throughout the period the assignment is released!

    +

    Installation

    +

    I'm running into errors about missing files when running ./nodebb start!

    +

    Be sure you've compiled a build by running the build command ./nodebb build first, then try running the start command again.

    +

    Analysis Tools

    +

    Running the test suite stops immediately and throws a bunch of errors!

    +

    This usually happens if you don't have a test database configured correctly. Scroll up past the errors and copy over the test database configuration into the local config.json file.

    +

    For redis, you won't have to do any additional setup; for mongodb, you may have to explicitly create another test database. You can reference the installation instructions to get the commands for setting this up. Ask in Slack if you need assistance!

    +

    Other

    +

    How do I reset my NodeBB configurations?

    +

    Delete the config.json file and re-run the ./nodebb setup command.

    +

    How do I reset my NodeBB database?

    +

    Depending on your database setup, you will need to find the commands to delete all data stored in your database. For redis, this involves using the redis-cli to enter the database and using the FLUSHALL command.

    +

    Once you've cleared your database, delete your config.json file and re-run the ./nodebb setup command. You will need to reconfigure an admin account.

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    GitHub Exercise

    +

    Overview

    +

    The purpose of this exercise is to provide support for students who may be less familiar with Git and GitHub. After this exercise, students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the Git workflow and how to collaborate with other developers in their projects.

    +
    +

    Note

    +

    This exercise is optional and is meant to provide a sandbox environment for students who want to practice using Git and GitHub tools. Students should use their own discretion on whether this exercise is helpful or necessary to support their learning.

    +
    +

    Prerequisites

    + +

    Forking a Repository

    +

    Start by forking this repository to your personal account by clicking the Fork button at the top of the page. Then, under the General tab in Settings, check the "Issues" checkbox in the "Features" section to enable the issues pane for your repository.

    +

    GitHub Permissions

    +

    Clone the repository onto your local machine.

    +

    Running a GitHub Action Workflow

    +

    On GitHub, click the Actions tab, enable workflows by clicking the green button, then select the "Python Application" workflow. Click on the "Run workflow" dropdown. Double-check that the selected Branch is main, then click the "Run workflow" button. This manually will run the GitHub workflow that tests the Fibonacci function in fib.py using test_fib.py.

    +

    Once the action has finished running, click into the workflow and select "build". You should notice the action failing, meaning the test cases failed and our main branch is broken! Let's walk through the process to fix these errors.

    +
    +

    Tip

    +

    In practice, you should not merge code into the main branch that could cause it to fail. This way, we can ensure that all the code on the main branch represents our most recent fully-working product.

    +
    +

    Setting up a Project Board

    +

    Project boards are a great way to track development. Although there are many nice external tools such as Trello or Jira, GitHub provides their own project boards for us to use with great integration support of their other features.

    +

    Under the Projects tab, create a new project with the "Board" template. After the board has been created, go back to the Projects tab and link the project board to the repository.

    +

    Creating Issues

    +

    Check back on the build output in the Actions tab and take a look at which test cases are failing. Take note of the names of each test case - they should give you a hint as to what the bugs may be!

    +

    Under the Issues tab, create an issue for each failing test case.

    +
    +

    Issue Guidelines

    +

    Issues titles should provide a high-level overview of what the problem is (e.g. "Navbar button UI bugs", "Unexpected registration validation errors"). Sometimes, issues are used to propose new features (e.g. "Add CSV export feature").

    +

    Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files.

    +
    +

    Assign yourself to one of the issues and add the two issues to the project Kanban board under the "Todo" column.

    +

    You may also want to experiment with adding labels and milestones to your issues. These are all features you will be using in future projects!

    +

    Branching, Committing, and Pushing

    +

    On your local machine, create a new branch with a relevant name to the issue you are addressing.

    +
    +

    Branch Guidelines

    +

    Branch names should be short and provide a description of what you will be doing on that branch (e.g. "fix-header-sizing-issue", "fix-multiple-dialog-bug", "add-sorting-feature"). When working with others, you can also append your username to signal which branches are yours (e.g. "313ta/add-sorting-feature").

    +
    +

    Fix the issue that you were assigned to, then add and commit the changes.

    +
    +

    Commit Guidelines

    +

    Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. "Remove faulty condition from getCustomerDetails", "Fix failing CompositeTestCase", "Fix issue #21" ).

    +
    +

    Push the branch to remote by running: +

    % git push --set-upstream origin <your-branch-name>
+

    +

    Writing Pull Requests

    +

    On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch.

    +
    +

    Warning

    +

    Make sure you are merging to the main of your own forked repository! By default, GitHub will select the original repository (CMU-17313Q/...) instead of your own forked repository (your-username/...).

    +
    +

    Give your pull request an appropriate title and description.

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    Pull Request Guidelines

    +

    Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages.

    +

    Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested.

    +
    +

    Link the issue you created initially to the PR by using the linking keywords in the PR description, then click on the green "Create pull request" button.

    +

    Notice that the GitHub action workflow runs automatically once you create the pull request! You should check that the relevant test case to your fix now passes.

    +

    Check GitHub Actions

    +

    Click on the Actions tab. If you have resolved all the issues correctly, the tests should now pass, and a green check should show.

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    Project 1: Hello, NodeBB!

    +

    Learning Goals

    +
      +
    • Familiarize yourself with an existing software project
      • +
    • Download, install and run an existing software project
      • +
    • Onboard on development tools and technologies
      • +
    • Learn Git Flow and GitHub to support future collaborative development
      • +
    • Run local analysis tools and use the output to evaluate a codebase
      • +
    +

    Project Context

    +

    Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product.

    +

    This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website.

    +

    For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB.

    +

    Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project.

    +

    Deliverables and Deadlines

    +

    This is an individual assignment. There are four (4) deliverables and two (2) deadlines for this homework.

    +

    A) Build Checkpoint - 5 points - due Sunday, September 1st, 11:59pm

    +

    B) Starter Task (TBD) - 95 points - due Thursday, September 5th, 11:59pm

    +
      +
    • GitHub Issue (20 pts)
      • +
    • Code Refactoring and Validation (10 pts)
      • +
    • GitHub Pull Request (25 pts)
      • +
    • Gradescope Written Assignment (40 pts)
      • +
    + + + + + + +
    +
    + + +
    + + + +
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    + + + + + + + + + \ No newline at end of file diff --git a/projects/P1/index_all/index.html b/projects/P1/index_all/index.html new file mode 100644 index 000000000..f7b463f59 --- /dev/null +++ b/projects/P1/index_all/index.html @@ -0,0 +1,754 @@ + + + + + + + + + + + + + + + + Project 1: Hello, NodeBB! - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    +
    +
    + + + +
    +
    + + + + +

    Project 1: Hello, NodeBB!

    +

    Learning Goals

    +
      +
    • Familiarize yourself with an existing software project
      • +
    • Download, install and run an existing software project
      • +
    • Onboard on development tools and technologies
      • +
    • Learn Git Flow and GitHub to support future collaborative development
      • +
    • Run local analysis tools and use the output to evaluate a codebase
      • +
    +

    Project Context

    +

    Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product.

    +

    This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website.

    +

    For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB.

    +

    Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project.

    +

    Deliverables and Deadlines

    +

    This is an individual assignment. There are four (4) deliverables and two (2) deadlines for this homework.

    +

    A) Build Checkpoint - 5 points - due Friday, August 30th, 11:59pm

    +

    B) Starter Task - 95 points - due Thursday, September 5th, 11:59PM

    +
      +
    • GitHub Issue (20 pts)
      • +
    • Code Refactoring and Validation (10 pts)
      • +
    • GitHub Pull Request (25 pts)
      • +
    • Gradescope Written Assignment (40 pts)
      • +
    + + + + + + +
    +
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    + + + + + + + + + \ No newline at end of file diff --git a/projects/P1/installation/mac/index.html b/projects/P1/installation/mac/index.html new file mode 100644 index 000000000..3782bda9b --- /dev/null +++ b/projects/P1/installation/mac/index.html @@ -0,0 +1,853 @@ + + + + + + + + + + + + + + + + Mac - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Installing NodeBB on MacOS

    +

    Required Software

    +

    First, install the following programs:

    + +

    Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 10 of npm installed:

    +
    % node -v     # this should output "20.17.0" or similar
+% npm -v      # this should output "10.8.2" or similar
+
    +

    There might be issues later if you are using an older Node version (<20).

    +

    Installing Redis

    +

    Install redis with homebrew:

    +
    % brew install redis
+
    +

    Start the redis server:

    +
    % redis-server
+
    +

    Installing NodeBB

    +

    You should have already forked the class-specific repository. Clone your forked repository onto your local machine.

    +

    Enter the directory where you have cloned the repository:

    +
    % cd NodeBB
+
    +

    Run the interactive installation command:

    +
    % ./nodebb setup
+
    +

    You will then be presented with a series of setup questions.

    +

    For each of the questions — except for "Which database to use (mongo)", which you should answer with "redis" — you may accept the default answer by pressing Enter

    +
    URL used to access this NodeBB (http://127.0.0.1:4567)
+Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861)
+Would you like to submit anonymous plugin usage to nbbpm? (yes)
+Which database to use (mongo) redis
+
+Now configuring redis database:
+Host IP or address of your Redis instance (127.0.0.1)
+Host port of your Redis instance (6379)
+Password of your Redis database
+Which database to use (0..n) (0)
+
    +

    The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. You can choose any admin username and password. Unfortunately (or fortunately), NodeBB won't accept weak passwords like 1234 :) so you need to come up with a slightly stronger password like admin1234!.

    +

    Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database.

    +

    After the installation, start the NodeBB server:

    +
    % ./nodebb start
+
    +

    You can now visit your forum at http://localhost:4567/.

    + + + + + + +
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    + + +
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    +
    + + + + + + + + + \ No newline at end of file diff --git a/projects/P1/installation/ubuntu/index.html b/projects/P1/installation/ubuntu/index.html new file mode 100644 index 000000000..7c8c13ca4 --- /dev/null +++ b/projects/P1/installation/ubuntu/index.html @@ -0,0 +1,881 @@ + + + + + + + + + + + + + + + + Linux (Ubuntu) - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Installing on Ubuntu

    +

    Required Software

    +

    Installing Node.js

    +

    Node.js is available from the NodeSource Ubuntu binary distributions repository. Start by adding this repository to the apt index:

    +
    % curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
+
    +

    Then, update the apt packages and install nodejs: +

    % sudo apt-get update
+% sudo apt-get install -y nodejs
+

    +

    Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 10 of npm installed:

    +
    % node -v     # this should output "20.17.0" or similar
+% npm -v      # this should output "10.8.2" or similar
+
    +

    There might be issues later if you are using an older Node version (<20).

    +

    Installing Redis

    +

    The original NodeBB installation guide suggests the use of MongoDB database, but for simplicity and consistency across the installation guides, we will be using Redis as our database.

    +

    Here is an abbreviated version of the installation instructions provided by Redis:

    +
    % sudo apt-get update
+% sudo apt-get install redis
+
    +

    Start the redis server:

    +
    % redis-server
+
    +

    Installing NodeBB

    +

    You should have already forked the class-specific repository. Clone your forked repository onto your local machine.

    +
    +

    Windows WSL2 Warning

    +

    For Windows WSL2 users, you should store your project files on the same operating system as the tools you plan to use. When it comes to cloning the NodeBB repository, it means that you should clone it in:

    +
      +
    • the Linux file system root directory: \\wsl$\Ubuntu\home\<user name>\
      • +
    • NOT the Windows file system root directory: /mnt/c/Users/<user name>/$ or C:\Users\<user name>\
      • +
    +

    You can use % cd ~ to access the Linux home directory, then clone the repository there.

    +
    +

    Enter the directory where you have cloned the repository:

    +
    % cd NodeBB
+
    +

    Run the interactive installation command:

    +
    % ./nodebb setup
+
    +

    You will then be presented with a series of setup questions.

    +

    For each of the questions — except for "Which database to use (mongo)", which you should answer with "redis" — you may accept the default answer by pressing Enter

    +
    URL used to access this NodeBB (http://127.0.0.1:4567)
+Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861)
+Would you like to submit anonymous plugin usage to nbbpm? (yes)
+Which database to use (mongo) redis
+
+Now configuring redis database:
+Host IP or address of your Redis instance (127.0.0.1)
+Host port of your Redis instance (6379)
+Password of your Redis database
+Which database to use (0..n) (0)
+
    +

    The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. You can choose any admin username and password. Unfortunately (or fortunately), NodeBB won't accept weak passwords like 1234 :) so you need to come up with a slightly stronger password like admin1234!.

    +

    Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database.

    +

    After the installation, start the NodeBB server:

    +
    % ./nodebb start
+
    +

    You can now visit your forum at http://localhost:4567/.

    + + + + + + +
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    + + + + + + + + + \ No newline at end of file diff --git a/projects/P1/installation/windows/index.html b/projects/P1/installation/windows/index.html new file mode 100644 index 000000000..23621189b --- /dev/null +++ b/projects/P1/installation/windows/index.html @@ -0,0 +1,802 @@ + + + + + + + + + + + + + + + + Windows - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Installing NodeBB on Windows

    +

    17-313 will only be supporting development using Windows Subsystem Linux 2 (WSL2) on Windows (Ubuntu variant). To support the use of WSL2, it is highly recommended that you develop using VSCode.

    +

    To learn more, refer to Microsoft's official WSL Documentation.

    +

    Installing WSL2 on Windows

    +

    Follow the instructions on the official Microsoft Getting Started Guide and complete all the steps up to (and including) the Use Visual Studio Code section.

    +

    By the end of these instructions, you should:

    +
      +
    • Have Ubuntu WSL2 installed
      • +
    • Have a root Linux username and password set up
      • +
    • Have updated and upgraded your packages
      • +
    • Be able to open Ubuntu WSL2 in Windows Terminal
      • +
    • Understand that you should store your project files on the same operating system as the tools you plan to use. For example, in order to successfully run NodeBB in Ubuntu, you should run git clone in your Ubuntu file system, open the cloned directory in Ubuntu, and edit the code files in Ubuntu
      • +
    • Be able to open a directory in Ubuntu in VSCode
      • +
    +
    +

    Note

    +

    In all future projects of this course, we will expect you to develop using WSL2. Thus, it is very important that you set up WSL2 correctly. Please come to office hours or ask on Slack if you need any assistance with the installation.

    +
    +

    Installing NodeBB

    +

    If you do not already have Git installed, follow the Git Installation on Linux for Ubuntu.

    +

    Then, follow the Ubuntu instructions to install required tools and NodeBB itself on WSL2.

    + + + + + + +
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    + + + + + + + + + \ No newline at end of file diff --git a/projects/P2/1_teamprocess/index.html b/projects/P2/1_teamprocess/index.html new file mode 100644 index 000000000..f6ad36bb4 --- /dev/null +++ b/projects/P2/1_teamprocess/index.html @@ -0,0 +1,941 @@ + + + + + + + + + + + + + + + + Project 2A: Collaborative Development - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Project 2A: Collaborative Development

    +

    Deliverables

    +

    Team Process & Planning – 80 points – due Thursday, September 7th, 11:59pm

    + +

    Team Setup

    +

    Slack Channel

    +

    On the 17-313Q Slack workspace, create a new private Slack channel that includes all your team members and the CA who is your team mentor.

    +

    Use this Slack channel to collectively decide on a team name. Your team name should be unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children. Once you have a team name, rename your team Slack channel to #team-<teamname>.

    +

    You can use this Slack channel for subsequent project-team related discussions or specialized Q&A with your TA mentors for the rest of the semester.

    +

    GitHub Repository

    +

    You will be working on your team repository for this project. Once you have decided on a team name, go to the link below to set up your team:

    +

    https://classroom.github.com/a/6U8xuKTF

    +
    +

    Warning

    +

    After you join a team on GitHub, you cannot change teams! Make sure that only one of you creates the team, and make sure that the remaining teammates join the right team.

    +
    +

    Once you enter your team name, Github will automatically create a repository for your team. You should then create a Github Project board for your repository (you can follow the steps from the GitHub Exercise or the first recitation).

    +

    You should use this team repository for all your development, and be sure to use good development practices, including keeping your commits cohesive and your commit messages informative. The same resources mentioned above provide more details on our guidelines.

    +

    We will be grading you on how well you follow the process we used for Project 1 and utilize this Project board:

    +
      +
    • Create issues for feature improvements or bug-fixes
      • +
    • When creating issue, assign team members and tag with appropriate labels
      • +
    • Create a pull request and reference the issue it will be resolving
      • +
    • Provide feedback to pull requests
      • +
    • Use a Kanban board to track your workflow
      • +
    +

    For this project, you will create issues or pull requests directly in your team repository. We will use your commit history and issue/pull request activity on Github to assess both your teamwork process and each member’s individual contributions towards the project. It is not acceptable for one person to commit all the work after synchronizing through other means.

    +

    For each code-based deliverable, we will look at a snapshot of your repository at the deadline. This will often be done by asking you for a screenshot or commit link submitted via Gradescope.

    +

    Teamwork Self-Assessment

    +

    As the course moves into team-based projects, we will be releasing weekly self-assessments on Gradescope, each worth one participation point. These are meant to be short surveys and should not take more than a few minutes. They are intended to help you reflect on your team's process and prompt you to think about how to improve it. The first one will be released on Thursday, August 31st and due the following Thursday, September 7th (both at 11:59pm).

    +

    Main Deliverables

    +

    Teamwork Contract (40 pts)

    +

    When working with a team, it is important to discuss each team member’s background, and establish common expectations of the team. Miscommunication or the general lack of communication are often the most common causes of team conflict.

    +
    +

    Team Conflict Example

    +

    A common conflict in working style is when there are team members who always want to get a headstart on their work, while there are team members who are fine with doing work a few days before the deadline. It causes panic in the former team members, while the latter team members feel frustrated as to why they are being rushed.

    +
    +

    As such, your first process task of the semester will be creating a teamwork contract with your teammates. It is a 1 - 2 page document containing information that all teammates agree to follow. You should work on the contract with all members present. We recommend that you keep it to around 1 page, 2 page is a hard limit.

    +

    Additionally, it is more important that you only include statements that the team will adhere to than it is to fulfill the length requirement (quality over quantity!) You do not need to write full sentences (bullet points are okay), but your decisions must be clearly conveyed in the document.

    +

    You are free to include anything that your team deems necessary, but you should minimally address the following sections:

    +
      +
    1. +

      Expectations
      +How much time is each team member expected to be putting into working on projects? Punctuality? How would your team accommodate when unexpected commitments come up for a team member (e.g. interviews, sickness, competitions)?

      +Do accommodate for the fact that project load can get heavier towards the end of the semester.

      +
      2. +
    2. +

      Communication
      +What platform (s) will your team be using to communicate? What’s the expected time to get a response?

      +For any communication platforms you decide on, please test that everyone can receive notifications. We highly recommend using apps (Slack, Discord) over browser-based sites.

      +
      3. +
    3. +

      Meeting Schedule
      +When and how will your team meet? What modality would it be?

      +A strong recommendation would be to set up a recurring 1hr meeting blocked out for the rest of the semester, so that your team does not have to scramble to find a common meeting time each week. Teams that have recurring meetings are generally more successful in the class.

      +
      4. +
    4. +

      Responsibilities
      +How will you divide responsibilities for each project? During meetings, who will be in charge of note taking, organizing & running those meetings?

      +From past courses, we noticed the natural emergence of a project manager in teams, who ensures the project moves towards completion. We highly suggest that you consider how your team would rotate that role amongst team members over the course of the remaining projects. Throughout the semester, we will ask for documentation of your meeting notes, so be sure to keep them organized (we recommend using a shared Drive folder).

      +
      5. +
    5. +

      Equitable Contribution & Conflict Resolution
      +What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? What are the steps to bring up and discuss potential teamwork issues?

      +The first thing the staff will ask the student when they mention that they are facing team issues is if they have followed the steps on their team contract.

      +
      6. +
    +

    Feel free to seek the assistance of TA and instructor in drafting this document.

    +
    +

    Note

    +

    We will ask you to reference, reflect upon, and refine this document throughout this semester, and we will evaluate your team's process strategies and interactions through what you outline in this contract. Please ensure that everyone on your team thoroughly discusses each of the above sections and agree with the final decisions.

    +
    +

    Once you have completed the contract itself, have all members sign and date the document as an indicator that all members have read the document and agreed to uphold all outlined items. Then, save the file as a PDF and upload it to Gradescope. Only one team member needs to make the submission; they can then add the rest of the teammates as group members for a group submission.

    +

    We also highly recommend that you bookmark the teamwork contract in your team’s Slack channel.

    +

    Project Planning (40 pts)

    +

    Before your team jumps into development, you must first determine what features to implement. Schedule and hold an initial project planning meeting with your team to complete the steps outlined below.

    +

    Functional Requirements - User Stories

    +

    During this meeting, discuss potential functional requirements of this project. Consider what possible use cases may be for this system and what features it should have to fulfill those needs.

    +

    Then, document these functional requirements in the form of user stories that follow the guidelines discussed in lecture. All of your user stories should be in the format of "As a [role], I want [function], so that [value]".

    +

    You should come up with at least two user stories per student in your group.

    +
    +

    Formulating User Stories

    +

    Consider what are the different types of users that will be interacting with your system (your stakeholders) and what features they would want to have that the current NodeBB does not provide. You may want to reference features in existing Q&A systems (e.g. Piazza, Diderot) that may be desirable, or conduct interviews with your peers who could be a potential users of this system.

    +
    +

    As a team, you should then come up with a prioritization ranking for each user story. The prioritization should be based on two factors

    +
      +
    • Impact: how essential is this user story to the overall functionality of the application to your stakeholders, how beneficial it would be to your stakeholders, and
      • +
    • Effort: how much time/effort is required to implement this user story
      • +
    +

    Once you have your list of user stories, create a new GitHub Project board (click into Projects on your team repository). Then create two new columns to the left called "User Stories" and "Backlog". At this point in time, you should have "User Stories", "Backlog", "To-Do", "In Progress" and "Done", in that order from left to right. Feel free to add more columns if your teams decide that you need them during your development process

    +

    Add your user stories into the "User Stories" column using the “+ Add item” button at the bottom, create draft issues for each of your user stories.In the body of each of these draft issues, provide a brief but concrete justification of its prioritization ranking that your team decided on. You should order all the user stories in this column from highest to lowest priority.

    +

    Technical Requirements - Issues

    +

    Now that you have your prioritized list, consider the technical requirements of the various user stories and collectively decide on which one(s) you will be focusing on over the next two sprints. In this project (as like most projects), your team is aiming to maximize the amount of value you are delivering to your stakeholders given your constraints.

    +

    Your selected user stories should have relatively high priority based on your team's ranking, and you should actively take factors into consideration that may impact your development.

    +
    +

    Selecting Appropriate User Stories

    +

    Given the amount of variations in each team's user stories, it's hard to give concrete guideline on the number of user stories that a team needs to tackle. Teams could tackle 1 user story that requires major effort, or a few user stories that each requires lesser effort.

    +

    In general, we are expecting that user stories be selected given:

    +
      +
    • 2 sprints of 2 weeks each
      • +
    • number of team members on your team
      • +
    • assumption of 8 hours/week available per individual
      • +
    +

    The course staff is happy to discuss this with your team during OH and we highly recommend you do so if your team is unsure. We will also be providing you with feedback during your first sprint's checkpoint presentation.

    +
    +

    The feature(s) you plan to implement should not be purely cosmetic or arbitrary. We expect this to be a non-issue as most high priority features to make NodeBB usable in a course environment would require changes that span across the development stack.

    +
    +

    Note

    +

    An example of what would not be accepted is a cosmetic feature that only modifies a frontend UI component (i.e. changing the color of the navbar), or just the renaming of a field in the database.

    +

    You may want to look ahead into parts 2B and 2C to check our specific requirements for your implementation.

    +
    +

    Convert the feature(s) you decide to implement into technical requirements (i.e. what needs to be developed for this feature to work). Then, break these requirements down into manageable, assignable issues and document them on your Project board by adding them to “Backlog” column. At minimum, these issues should make use of GitHub features like milestones/labels/descriptions to denote:

    +
      +
    • Estimated effort for each task
      • +
    • Dependencies among tasks (if any)
      • +
    • Initial assignments for team members
      • +
    • Milestones to indicate which sprint the issue should be completed in (Sprint 1, Sprint 2, Stretch)
      • +
    • Acceptance criteria that describes how you know this task is done - think about how you will test this feature
      • +
    +

    You should actively assign and move these issues across your Kanban board as your team makes progress.

    +
    +

    A Note on Grading

    +

    We will not assess how accurately you predicted your development process, nor will we be giving points based on the complexity or quality of your changes. The focus of our evaluations will be on how you decompose the problem, how you respond to unexpected circumstances, and how you analyze and reflect on your experience later on.

    +

    We will check your development progress at the end of each sprint. Please be proactive in your planning to ensure that you make notable progress in both of your sprints. We highly recommend reading ahead on what our expectations are for the end of each sprint as you plan your milestone goals.

    +
    +

    Include a link to your GitHub board in your Gradescope submission. If you are unsure about your planned changes, you can ask for feedback from a member of the course staff!

    +

    Extra Credit (8 pts)

    +

    Getting to know your colleagues in a friendly context can often lead to more effective collaboration; for example, healthy teams often get lunch together. To incentivize this, we will give your team extra credit for this assignment if you meet for a team bonding experience outside of a working session.

    +

    You might want to eat together, go out for boba, or hold a board game session. If someone on your team is not feeling well, you may also do a virtual activity such as an online gaming session (Drawphone, Skribbl.io, etc.) or social "Zoom lunch".

    +

    To receive extra credit, share the photo or screenshot of your team activity with your CA mentor by sending it in your team Slack channel before the deadline. We encourage you to do these types of meetings often throughout the semester!

    +

    Grading

    +

    To receive full credit for the teamwork contract, we expect:

    +
      +
    • All sections listed above are addressed in a roughly 1-2 page PDF document submitted to Gradescope
      • +
    • Document demonstrates a clear process outline that was discussed between and agreed upon by the teammates
      • +
    • All group members’ signatures at the end of the document
      • +
    +

    To receive full credit for the project planning, we expect:

    +
      +
    • A GitHub project board linked to your team repository with:
        +
      • A User Story column containing at least two user stories per group member that satisfy the guidelines outlined in the sections above and in lecture
        • +
      • A Backlog column containing a series of GitHub issues describing the feature(s) that the team will tackle. Each issue makes use of GitHub features to denote all of the required information listed above
        • +
      +
      • +
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    Project 2B: Collaborative Development

    +

    Deliverables

    +

    First Sprint – 100 points – due Tuesday, September 19th, 11:59pm

    + +

    Process & Implementation Interim (50 pts)

    +

    Start by cloning the team repository and merging your individual changes from Project 1 into your team repository using proper git flow. You may also delete the hw1.yaml workflow found in .github/workflows. Once everyone has properly set up the repository on their local machines and committed their changes, you can now start development.

    +
    +

    What if I did not successfully translate my file in Project 1?

    +

    If you do not need to modify that file in order to implement your team's feature, then you do not need to merge your file into your repository. You will not be penalized for not merging in your Project 1 file.

    +
    +

    You should follow best practices for collaborative development such as using feature branches, pull requests, and code review. Individual changes should be committed to properly named branches for each core feature being implemented and make use of pull requests to merge changes together.

    +

    Be sure to review each other’s code - both from a quality assurance standpoint, but also so you have a better understanding of the codebase. Although code reviews can be done asynchronously, we encourage the first few to be done synchronously so you can discuss the changes with your teammates and learn more about the codebase.

    +

    To fit with the translation efforts described in Project 1, any new code introduced to the codebase should be in TypeScript. This does mean that you may need to translate existing files to fulfill this requirement.

    +
    +

    Using Translations from Project 1

    +

    Most of the existing files should have been translated by your classmates in Project 1! Feel free to reference their translations for your own uses - for citation purposes, include a short comment at the top of your file that cites the original translator and a link to where you found the translation, for example:

    +
    // Referenced @student’s TypeScript translation from P1: [PR link]
+
    +
    +

    Every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade.

    +

    You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository.

    +

    Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.

    +

    Checkpoint Presentation (50 pts)

    +

    During the Week 5 recitation slot (Thursday September 21st), your group will give a 7-minute presentation describing your current progress, followed by a short 1-2 minute Q&A session where you can get feedback from the CAs and your peers.

    +

    Your slides should include the following information (the recommended slides amount is in parentheses):

    +
      +
    1. +

      Title Slide (1 slide)
      +Include your team name & the names of each team member

      +
      2. +
    2. +

      Project Planning (~1-2 slides)
      +What user stories did your team choose to focus on? What feature(s) did you plan on implementing to fulfill them?

      +
      3. +
    3. +

      Development Progress (~1-2 slides per person)
      +What have you changed so far? How did you test your changes? What have you learned about the codebase? How does this compare with your original milestone goals? If your team did not meet your goals, why?

      +Each team member should describe the contributions they made. In this section, you must include a video demo of your current progress; if you were not able to make a working build, include screenshots that show your current progress and clearly explain what factors impeded your progress.

      +
      4. +
    4. +

      Process Overview (~1-2 slides)
      +What process strategies (i.e. meeting frequency, code reviews) did your team use for the first sprint? Was it effective? Did you encounter any difficulties or have to make any changes?

      +
      5. +
    5. +

      Looking Ahead (~2-4 slides)
      +What are some current risks and/or questions that your team has after completing the first sprint? Has your experience with the first sprint affected your planning of the second sprint? Do you need to rescope? Do you need to reevaluate your process?

      +If you did not meet your development goals, you should outline what you plan to proactively change for this upcoming sprint.

      +
      6. +
    +
    +

    A Note on Participation

    +

    Participation from all team members during the presentation is required. If you are unable to attend in-person, send a Slack message to the course staff with justifications at least 24 hours before the start of the recitation. You will then be permitted to present by submitting a recording of your segment of the presentation, which your teammate will play during the presentation.

    +
    +

    The presentation slides should be exported into a PDF and submitted to Gradescope by the Thursday deadline.

    +

    Grading

    +

    To receive full credit for the implementation, we expect:

    +
      +
    • Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through
      • +
    • An updated Project Board for the current progress
      • +
    • Reasonable code structure and style, including documentation where appropriate
      • +
    • Coherent commits of reasonable size with meaningful commit messages by all team members
      • +
    • High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits
      • +
    +

    To receive full credit for the presentation, we expect:

    +
      +
    • All team members to be present for the presentation (or have contacted the instructor ahead of time to request an absence) and to contribute towards presenting their team’s progress
      • +
    • All of the material described above covered in the presentation
      • +
    • PDF Slides uploaded to Gradescope for grading & feedback
      • +
    +

    Resources & Documentation

    +

    NodeBB Development

    +

    We highly recommend that, before starting development, you take the time to analyze the codebase with your team using the code archaeology techniques you have learned. One good place to start is determining where the MVC (or frontend/middleware/backend) split is and trying to make a small change in each section.

    +

    You will find some resources to help you with development in the README of the NodeBB repository. Here are a few specific links to get you started:

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    Project 2C: Collaborative Development

    +

    Deliverables

    +

    Second Sprint – 140 points – due Thursday, October 5th, 11:59pm

    + +

    Process & Implementation Final (60 pts)

    +

    Continue working on the implementation of your feature(s). Be sure to continue following best practices for collaborative development similar to the previous sprint.

    +

    As you become more familiar with the codebase, we have higher expectations for the final deliverables of this sprint. Specifically, along with your feature changes, we expect to see:

    +
      +
    • +

      Automated Tests

      +
        +
      • Add tests to the test suite that demonstrate the functionalities you implemented
        • +
      • These should follow the acceptance criteria you set from the initial planning
        • +
      +
      • +
    • +

      User Documentation

      +
        +
      • Create a new file UserGuide.md in the root directory of your repository
        • +
      • In this file, provide a detailed outline of how to use and user test your new feature(s)
        • +
      • You should also provide a link/description of where your added automated tests can be found, along with a description of what is being tested and why you believe the tests are sufficient for covering the changes that you have made
        • +
      +
      • +
    +
    +

    GitHub Actions

    +

    GitHub Actions should be enabled. It is reasonable to have failures in feature branches, but you should do your best to make your main branch build consistently pass.

    +
    +

    As with the first sprint, every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade.

    +

    You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository.

    +

    Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.

    +

    Process & Team Reflection (50 pts)

    +

    After coding is complete, reflect on your experience as a team. Again, we look for honest reflection, which will likely include reflection on failures. We will not grade whether you predicted the effort correctly, but rather what you have learned.

    +

    You will see the following groups of questions on Gradescope. We recommend that your team use collaborative text editing tools like Google Docs to draft your answers, then submit your final answers to Gradescope.

    +
      +
    1. +

      Actual Schedule: Document the actual schedule of your development process into either an organized list or table. You should include all of the tasks that each team member actually performed and the approximate amount of time each took. Your commit history and other documentation should help you with this.

      +
      2. +
    2. +

      Schedule Deviations: Reflect on the differences between your planned and actual schedule, and answer the following questions:

      +
        +
      • Which milestones were predicted correctly and what was re-planned?
        • +
      • Was there anything you did not plan for initially or that you had to drop in the end?
        • +
      • What were the reasons for the above changes and could they have been foreseen with better planning?
        • +
      +
      3. +
    3. +

      Development Process: Reflect on the process (specifically, the steps each team member took to contribute to the codebase) you followed during the project, and answer the following questions:

      +
        +
      • What was the process you initially planned to follow? What was the process you actually followed?
        • +
      • Was the process effective? Why or why not?
        • +
      • Did you skip steps or adopt additional techniques during the project? What were they and why did you do so?
        • +
      +
      4. +
    4. +

      Meeting Minutes: Attach all meeting minutes kept throughout the project, which should include information about the agenda/topics discussed, decisions made, and work assignments.

      +
      5. +
    5. +

      Team Experience: Reflect on your experience working as a team. You should discuss as a team on the aspects of communication, scheduling, responsibilities and equitable contributions. Answer the following points by providing at least three actions that your team will take to improve in the future (feel free to have more than one in category and zero in another, they should just add up to three):

      +
        +
      • What should your team keep doing? What worked well, and why?
        • +
      • What should your team start doing? What didn't work so well, and why? What will you do differently?
        • +
      • What should your team stop doing? What are some bad habits that your team should avoid in the future and why?
        • +
      +
      +

      Support your claims

      +

      You should reference your meeting minutes to support your claims and provide examples. A weakly supported statement would be as follows:

      +
      +

      “We will communicate better, because miscommunication caused issues"

      +
      +

      You should support your statements with examples from the development experience. For example:

      +
      +

      "In the future, we will try to use [such-and-such a process] for clearly documenting and communicating such design decisions, rather than [the process we did follow/failed to follow]. One of our [main challenges/development slowdown/quality problems] was the integration of components A and B, because the API for A was not well-understood by the developer of B. "

      +
      +
      +
      6. +
    6. +

      Teamwork Contract: Based on the process and team reflection above, update your teamwork contract. Did you encounter any issues or unexpected experiences that your original contract did not foresee? Feel free to add in any other clauses if necessary to your team contract. Upload your new teamwork contract (be sure to sign and date it), and highlight the changes you made in yellow.

      +
      7. +
    +

    Being able to communicate effectively is an important software engineering skill. As such, your reflection should be well-written and easy to read. Be sure to leave time after writing for revision and proofreading.

    +
    +

    Reflection Grading

    +

    One of the main purposes of this project is to encourage in-depth analysis of the reasons for good or bad time estimation, scheduling, and teamwork coordination. Doing poorly in these is not unusual (as numerous reports from real-life projects show).

    +

    We will not evaluate how well (or badly) the project went, but instead how well you understood the reasons why the project went as it did, and what lessons you drew from your experience to inform your future work. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support the claims.

    +
    +

    Individual Reflection (30 pts)

    +

    In addition to the team reflection, you will also be submitting an individual reflection on Gradescope.

    +

    We want you to connect this project's experience with your previous experience with collaborative development. Your previous experience may be from an academic or non-academic setting, such as internships, hackathons, or personal projects.

    +

    Your reflection should address the following questions (and sub-questions):

    +
      +
    1. What previous collaborative projects have you done before?
        +
      • How does this project experience compare with your previous experience? What was similar and what was different?
        • +
      +
      2. +
    2. What did you personally learn from this project’s development process? Process here refers to the steps you took to contribute to the codebase.
        +
      • What did you think worked well? What did you think did not work well?
        • +
      • Was there anything unexpected?
        • +
      +
      3. +
    3. What did you learn about working in a team?
        +
      • What did you learn about yourself?
        • +
      • What did you learn about working with others?
        • +
      +
      4. +
    4. What are you planning to do differently or improve upon in your future projects? What would you like to keep doing? Provide at least one concrete action that you plan on acting upon in the next project.
      5. +
    +

    Similar to the team reflection task, we will grade the quality and depth of your reflection.

    +

    Grading

    +

    To receive full credit for the implementation, we expect:

    +
      +
    • Progress from Interim Snapshot
        +
      • Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through
        • +
      • An updated Project Board for the final progress
        • +
      • Reasonable code structure and style, including documentation where appropriate
        • +
      • Coherent commits of reasonable size with meaningful commit messages by all team members
        • +
      • High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits
        • +
      +
      • +
    • Additional Requirements for Final Submission
        +
      • Automated test cases for the implemented functionalities
        • +
      • GitHub Actions running on the repository and passing on the main branch
        • +
      • Created UserGuide.md file containing user documentation of the new feature that fulfills the guidelines given above
        • +
      • A functional new feature that works when following the steps in UserGuide.md. Note that we aren't expecting the feature to be bug free, but it should work under general expected usage.
        • +
      +
      • +
    +

    To receive full credit for the process and team reflections, we expect:

    +
      +
    • A detailed, well written, and well structured reflection on each of the provided guiding questions
      • +
    • A comparison between the planned and the actual schedule
      • +
    • An analysis beyond mere descriptions and superficial statements, including supporting evidence for claims, that reflects on the causes of deviations, conflicts, and so forth, or your own experience
      • +
    • Inclusion of meeting minutes(s) that adequately demonstrate your team’s meeting process
      • +
    • At least three concrete actions with that your team will either start, stop, or keep doing in the future, with proper justification and supporting evidence
      • +
    +

    To receive full credit for the individual reflection, we expect:

    +
      +
    • A detailed, well written, and well structured reflection on each of the provided guiding questions
      • +
    • A comparison between current and previous experience
      • +
    • A reflection on the development process, including what worked well and what did not work well
      • +
    • A reflection on working in a team, with learnings about self and working with others
      • +
    • At least one concrete action that you will act upon in the future, with proper justification and supporting evidence
      • +
    +

    Resources & Documentation

    +

    NodeBB Development

    +

    By now, you should be familiar enough with the codebase to finish making the remainder of your changes. The additional focus of this second sprint is on testing your code; hence, documentation related to the testing framework will be very helpful.

    +

    As with before, you will find some resources to help you with development in the README of the NodeBB repository. You will now want to check the testing section for resources on the Mocha test framework:

    +
      +
    • Mocha Documentation
        +
      • Everything from the "Getting Started" section and below is documentation on how the framework works. You can also reference existing tests!
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    Project 2: Collaborative Development

    +

    Learning Goals

    +
      +
    • Translating requirements into actionable user stories
      • +
    • Practice getting to know a pre-existing code base and developing new features for it using previously unfamiliar technology
      • +
    • Practice version control and development best practices within the context of a group assignment
      • +
    • Plan and schedule projects in terms of tasks, milestones, and time estimations, and re-plan as required
      • +
    • Make initial decisions on a team process, and reflect on your experience with the process
      • +
    • Effectively coordinate among team members and conduct team meetings
      • +
    • Meaningfully reflect on the experience of working in teams
      • +
    +

    Project Context

    +

    CMU has over 14,000 students and hundreds of courses every semester. Many of these courses use a combination of educational platforms to distribute course materials (handouts, lecture notes, etc), manage student information, assess student learning, and provide a means of communication between the students and course staff. Examples of such platforms include Canvas, Piazza, and Gradescope.

    +

    However, the distributed nature of this system makes it difficult for instructors to synchronize information across each of the different platforms, and the lack of standardization across the university forces students to remember a different set of links for each class.

    +

    Your manager has assigned you to a team and has tasked you with building a new course management system over the course of the semester to be used university-wide. To help manage the scope of this project, they have specifically requested you to focus on implementing the Q&A portion of this overarching system, i.e. the component that enables communication between the faculty and students.

    +

    Rather than creating a new Q&A system from scratch, management has decided that you and your team will repurpose and adapt the existing forum system provided by NodeBB. Beyond being a pretty decent forum platform, NodeBB provides complex features that you expect will be useful like user registration, permission settings, post creation, sorting and filtering capabilities, and more.

    +

    Despite its considerable functionality, NodeBB is still missing many of the basic features that you would expect to find in a course-based Q&A system and needs changes to better fit this new purpose. You and your team will be responsible for coming up with an initial development plan and beginning implementation.

    +

    Deliverables and Deadlines

    +

    This will be the first assignment with your group. There are three (3) deadlines for this project. Each of the core deliverables are described below. This project is worth a total of 320 points.

    +

    Detailed information for each of the deadlines has been split into its own subpage on the left.

    +
    +

    Tip

    +

    This is a large assignment spanning from now until Fall Break. We estimate that this project will take each student on the team on average 8 hours/week over the next 5 weeks, for a total of 40 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables.

    +

    To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team.

    +
    +

    A) Team Process & Planning – 80 points – due Thursday, September 7th, 11:59pm

    +
      +
    • Prerequisite: Team Setup
      • +
    • Teamwork Contract (40 pts)
      • +
    • Project Planning (40 pts)
      • +
    • Extra Credit (8 pts)
      • +
    +

    B) First Sprint – 100 points – due Tuesday, September 19th, 11:59pm

    +
      +
    • Process & Implementation Interim Snapshot (50 pts)
      • +
    • Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st
      • +
    +

    C) Second Sprint – 140 points – due Thursday, October 5th, 11:59pm

    +
      +
    • Process & Implementation Final Snapshot (60 pts)
      • +
    • Team Reflection (50 pts)
      • +
    • Individual Reflection (30 pts)
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    + + + + +

    Serverless NodeBB Deployment on GCP

    +

    This document will provide instructions to create a serverless deployment of NodeBB on GCP.

    +

    Setup Redis Database on upstash

    +

    We'll be using a database-as-a-service called upstash to host the Redis database associated with our NodeBB deployment.

    +
      +
    1. Visit upstash and create an account.
      2. +
    2. Make sure Redis and selected, and click "Create Database"
      3. +
    3. Name your database, select an appropriate region and hit "Create"
      4. +
    +

    You should see a page that contains the endpoint, port, password, and other details associated with the redis instance you just created.

    +

    Update your Dockerfile

    +

    To have all the packages we need to build NodeBB, we need to change our Dockerfile. Make the following change and push your changes to your repository.

    +
    - RUN npm install --only=prod && \
++ RUN npm install && \
+
    +

    Redeem your GCP Credits

    +

    First, you need to redeem your GCP credits using the following instructions.

    +
      +
    1. Fill out the this form link with your first/last name, and Andrew ID
      2. +
    2. Go to your school email and click the link in an email from "Google Cloud Notifications" to verify your email address
      3. +
    3. Go back to your email, click on the link ("click here to redeem") within a second email from "Google Cloud Notifications," and copy the provided code into the field within the new link
      4. +
    +

    Once you submit, a $50 credit should be applied to your GCP billing account.

    +
    +

    Do not misuse!

    +

    We've been awarded enough credits such that each student in 17-313 can redeem one coupon. We'll be closely monitoring coupon redemption. Any and all misuse including sharing redemption instructions, redeeming multiple times, etc. will be punished.

    +
    +

    Deploy on GCP Cloud Run

    +

    Make sure you're logged into the Google account you used to redeem your GCP credits.

    +

    Once you're logged into the right credit-bearing Google account, use the following instructions to deploy on GCP Cloud Run.

    +
      +
    1. Create a project called "NodeBB" using the GCP Cloud Console (you can set the location to "Students")
      2. +
    2. Visit the Cloud Run console and select the project you just created using the project selector drop down(top-left)
      3. +
    3. Click on "Create Service"
      4. +
    4. Select "Continuously deploy new revisions from a source repository" and click "Set up with Cloud Build"
      5. +
    5. Set the Source repository to be your team's NodeBB repository - you may need to click on "Manage connected repositories" and authenticate with GitHub if you don't see the repository.
      6. +
    6. Set the Build Type to the "Dockerfile" option
      7. +
    7. In the "Autoscaling" section, set the minimum number of instances to 1
      8. +
    8. In the "Authentication" section select "Allow unauthenticated invocations"
      9. +
    9. Click on the "Container, Networking, and Security" dropdown and set the "Container Port" to 4567 +10.Click "Create"
      10. +
    10. Once the deployment is complete, click on the URL of the form *.run.app at the top of the page to view the deployment.
      11. +
    +

    You should see a form that says "NodeBB Web Installer". Keep this URL handy because you'll need it later :)

    +

    Create Config Script

    +

    At this point, we could use the web installer to generate the config.json file in our container and setup NodeBB. However, since this a serverless deployment, we're not guaranteed any persistence of data generated at runtime.

    +

    Therefore, we need to change our Dockerfile to generate the config.json file at build time of the container.

    +

    To do so, first create a template file called config_template.json that looks exactly like the following, and push your changes to your repository.

    +
    {
+  "url": "",
+  "secret": "c5502d62-84a5-41f1-87eb-ee33a76fb7bc",
+  "database": "redis",
+  "redis": {
+    "host": "",
+    "port": "",
+    "password": "",
+    "database": "0"
+  },
+  "port": "4567"
+}
+
    +
    +

    Why can't we just push a pre-populated config.json file?

    +

    This would solve the persistence problem and deploy NodeBB correctly. However, as a result, we expose secrets like the upstash redis connection details on a public GitHub repository. Injecting these secrets as environment variables at runtime gives our deployment access to them, while ensuring that the secrets remain secret.

    +
    +

    Configure the following environment variables by visiting the Cloud Run dashboard for your deployment, clicking on "Edit and deploy new revision" and then clicking on "Add Variable" in the "Environment Variables" section.

    +
      +
    • DEPLOYMENT_URL: URL of the form *.run.app that your Cloud Run deployment is live at.
      • +
    • REDIS_HOST: Endpoint value from your upstash redis database dashboard.
      • +
    • REDIS_PORT: Port value from your upstash redis database dashboard.
      • +
    • REDIS_PASSWORD: Password value from your upstash redis database dashboard.
      • +
    +

    We'll now add a bash script that will populate this template with environment variables defined at build time of our Docker container. Create a file called create_config.sh in your NodeBB repo, and populate the file with the following bash script.

    +
    #!/bin/bash
+
+# Check that environment variables have been defined
+if [[ -z "${REDIS_HOST+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_HOST is not defined!"
+  exit 1
+fi
+
+if [[ -z "${REDIS_PORT+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_PORT is not defined!"
+  exit 1
+fi
+
+if [[ -z "${REDIS_PASSWORD+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_PASSWORD is not defined!"
+  exit 1
+fi
+
+if [[ -z "${DEPLOYMENT_URL+x}" ]]; then
+  # var is not defined
+  echo "Error: DEPLOYMENT_URL is not defined!"
+  exit 1
+fi
+
+# Read the JSON file
+json_data=$(cat "/usr/src/app/config_template.json")
+
+# Update the JSON file with the environment variables
+json_data=$(jq --arg deployment_url "$DEPLOYMENT_URL" '.url = $deployment_url' <<< "$json_data")
+json_data=$(jq --arg host "$REDIS_HOST" '.redis.host = $host' <<< "$json_data")
+json_data=$(jq --arg port "$REDIS_PORT" '.redis.port = $port' <<< "$json_data")
+json_data=$(jq --arg password "$REDIS_PASSWORD" '.redis.password = $password' <<< "$json_data")
+
+# Write the updated JSON file to config.json
+echo "$json_data" > "/usr/src/app/config.json"
+
+cat /usr/src/app/config.json
+
    +

    Now, update your Dockerfile so that it looks like the following.

    +
    FROM node:lts
+
+RUN mkdir -p /usr/src/app && \
+    chown -R node:node /usr/src/app
+WORKDIR /usr/src/app
+
+RUN apt-get update && apt-get install -y jq
+
+ARG NODE_ENV
+ENV NODE_ENV $NODE_ENV
+
+COPY --chown=node:node install/package.json /usr/src/app/package.json
+
+USER node
+
+RUN npm install && \
+    npm cache clean --force
+
+COPY --chown=node:node . /usr/src/app
+
+ENV NODE_ENV=production \
+    daemon=false \
+    silent=false
+
+EXPOSE 4567
+RUN chmod +x create_config.sh
+CMD  ./create_config.sh -n "${SETUP}" && ./nodebb setup || node ./nodebb build; node ./nodebb start
+
    +

    We're making two changes here: (1) installing the jq package to read/edit json files from our bash script, and (2) running the create_config.sh script on container startup.

    +

    Once you push your changes, a new deployment should get triggered and it should be good to go once complete. Congratulations! You've now setup a continuous deployment of NodeBB on GCP.

    +

    Be sure to share the application link with your teammates to ensure they can also access the application and test that all your added features from Project 2 have been successfully applied.

    + + + + + + +
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    + + +
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    +
    +
    + + + + + + + + + \ No newline at end of file diff --git a/projects/P3/index.html b/projects/P3/index.html new file mode 100644 index 000000000..456b6a4c9 --- /dev/null +++ b/projects/P3/index.html @@ -0,0 +1,1042 @@ + + + + + + + + + + + + + + + + Project 3: Continuous Integration + Deployment - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    + + + +
    +
    + + + + +

    Project 3: Continuous Integration + Deployment

    +

    Learning Goals

    +
      +
    • Learn how to deploy a full-stack application
      • +
    • Gain hands-on experience with analysis tools, including setting up, customizing, and using them
      • +
    • Practically assess and compare the costs and benefits of existing static and dynamic bug-finding tools
      • +
    • Integrate CI/CD tools into development practice
      • +
    +

    Project Context

    +

    Adding continuous integration for quality assurance is a critical part of software development. Although you have been testing your new system this whole time, you are now setting out to establish sustained practices that can be used moving forward as you iterate over and continue to improve your system.

    +

    Your manager has assigned you two major tasks. Firstly, establishing a deployment pipeline to create a test version of the website that can be sent to beta testers who have little to no experience with code development (and therefore can not set up the developer environment by themselves).

    +

    Secondly, evaluating existing tools and practices beyond simple linting or unit testing, then producing a report on the cost/benefit tradeoffs and risks of them. You will also select and integrate one (or more!) of these tools into your development process.

    +

    Deliverables and Deadlines

    +

    There are two (2) deadlines for this project. This project is worth a total of 120 points.

    +

    Checkpoint Deliverables – 35 points – due Sunday, October 22, 11:59pm

    + +

    Final Deliverables – 65 points – due Sunday, October 29, 11:59pm

    + +

    Extra Credit (Individual) - 6 points - due Sunday, October 29, 11:59pm

    + +
    +

    Work Distribution

    +

    There are two main focuses in this project: deployment and static/dynamic analysis. For the purposes of equitable distribution of labor, we recommend that you nominate one of your members to act as the SRE for this assignment who will be primarily responsible for deployment, and have all other teammates focus on tool research and integration.

    +
    +

    Checkpoint Deliverables

    +

    Deployed Application (25 pts)

    +

    Your team will be using Google Cloud Platform for the deployment of the NodeBB application. Further instructions on how to deploy can be found here.

    +

    Once you have successfully deployed your website, make sure to test within your team to ensure that your added feature(s) from Project 2 are properly integrated.

    +

    By the checkpoint deadline you should

    +
      +
    • Submit a link to the deployed site onto Gradescope
      • +
    • Add your deployed site to this public spreadsheet, alongside your team name & UserGuide.md (as a link to the file on GitHub) that your team submitted for Project 2. This will be used in Feature Review for extra credit.
      • +
    +

    Tools Checkpoint (10 pts)

    +

    Before jumping into tool integration, your manager would like you to research what existing analysis tools are out there that can be used with NodeBB. You will evaluate the tools, and eventually document your findings in a design document for your final deliverable.

    +

    First, identify and experiment with at least N-1 potential static and dynamic analysis tools that are applicable to your system, where N is the number of people in your team. We provide a starter list of tools in the resources section below to help you get started, but you are not limited to these tools.

    +

    In your selection of tools, you should

    +
      +
    • have at least one static analysis tool
      • +
    • have at least one dynamic analysis tool
      • +
    • have at least one tool that is not from our starter list
      • +
    • not use any of the existing tools within NodeBB as part of your analysis (mocha/ESLint/TSLint)
      • +
    +

    For each tool that you assess

    +
      +
    1. Create a separate testing branch in your repository (named appropriately for the tool you’re testing) to integrate the tool into your project and test out its capabilities
      2. +
    2. +

      Create a pull request to the main branch from each of these testing branches. The PR should have

      +
        +
      • Concrete evidence that you had successfully installed the tool through trackable file changes demonstrating that extra files/NPM packages were installed.
        • +
      • Artifacts that demonstrate that you have successfully run the tool on your repository. Acceptable artifacts include output files generated by the tool, or a text file containing the terminal output from the tool; you may also attach screenshots as additional pieces of evidence. They can be attached to the Pull Request in either the description or follow-up comments.
        • +
      +
      3. +
    +
    +

    Grading Note

    +

    We will not be grading the quality or quantity of any code you put into these testing branches/PRs, just the evidence that you have successfully installed and run the tool.

    +
    +

    In your evaluations, consider & experiment with the types of customization that are appropriate or necessary for this tool, both a priori (before they can be used in your project) and over time. Assess the strengths and weaknesses of each tool/technique, both quantitatively and qualitatively.

    +

    Consider some of the following questions:

    +
      +
    • What types of problems are you hoping your tooling will catch? What types of problems does this particular tool catch?
      • +
    • What types of customization are possible or necessary?
      • +
    • How can/should this tool be integrated into a development process?
      • +
    • Are there many false positives? False negatives? True positive reports about things you don’t care about?
      • +
    +
    +

    Tool Evaluation

    +

    There are a lot of different factors to consider when evaluating a tool. We recommend discussing with your teammates and deciding on a group of metrics to focus on when performing evaluations.

    +
    +
    +

    Time Management

    +

    Don’t spend too long for this checkpoint. Set deadlines within your team to ensure that you have enough time for both the design document and integration deliverables described below for the final deadline.

    +
    +

    By the checkpoint deadline, your team will submit

    +
      +
    • your initial list of the N-1 tools that your team plans on exploring, and
      • +
    • links to the PRs that demonstrate that you have successfully installed and run each of these tools
      • +
    +

    Final Deliverables

    +

    Tool Analysis Design Doc (50 pts)

    +

    Create a Design Document/RFC that includes:

    +
      +
    • A tools evaluations section detailing your team’s analysis on each of the tools you experimented with
      • +
    • A justification section explaining which tool(s) you think the project should use moving forward
      • +
    • An integration section describing how the selected tool(s) shall be integrated into your process
      • +
    • A conclusion section summarizing your work
      • +
    +

    Below, we provide more detailed instructions and page limit recommendations for each of the sections.

    +

    Tool Evaluations (~N pages)

    +

    For each of the N-1 tools explored by your team, you must provide:

    +
      +
    • Name and high-level description of what the tool does and a link to its documentation/source
      • +
    • Whether the tool is used for static or dynamic analysis
      • +
    • A link to the pull request made from the testing branch for this tool
      • +
    • A pro/con analysis of the tool and appropriate evidence in the form of screenshots to support your claims. You can use the questions provided in the research you did for the checkpoint to shape your analysis.
      • +
    +

    Each of these sections should take up approximately 1 page (including screenshots) and no more than 2 pages.

    +

    Justification (~Half a page)

    +

    After going through each of the tools, you should explicitly state the tool(s) you are choosing to integrate for this project and provide a justification for why you are selecting this tool. You should refer to the pro/con analysis done in the prior sections and how they align with the goals of your team and the project overall.

    +

    You must recommend at least one tool, even if it’s with reservations.

    +

    Integration (<1 page)

    +

    This section should address the different factors to take into consideration when integrating a new tool. At minimum, you should address the following:

    +
      +
    • Technical Questions
        +
      • How are you integrating the tool (high-level)? At what point in the development/deployment process shall it be integrated? What sorts of customization or configuration will you be using?
        • +
      • If you added any specific configuration to allow the main branch of your repository to pass its status checks, add the justification for those decisions in this section.
        • +
      +
      • +
    • Social Integration Questions
        +
      • How do you foresee the team using the tool during their development process? Consider the incentives & deterrents to the developers when it comes to using the tool, and their personal motivation to use it.
        • +
      +
      • +
    +

    Your answers should be based on your experiences running the tools on your team repository and be grounded in data from your research on different factors such as tool usability, output, and customizability.

    +

    Keep this section updated as you work on implementing the integration.

    +

    Conclusion (<1 page)

    +

    In this section, provide a brief summary of your findings along with items that were not addressed in the previous sections.

    +
      +
    • Are there any open questions?
      • +
    • Are there any issues you consider to be out of scope?
      • +
    • What drawbacks of the proposed process/tooling are you accepting for some (good) reason?
      • +
    +

    This section should be used to wrap everything up and ensure you have a good/complete design document!

    +

    Submit the Design Document as a single PDF to Gradescope.

    +

    Tool Integration (15 pts)

    +

    Once you have a tool selected along with a general integration plan, you should fully integrate one of the tools into your project’s workflow. For your checkpoint research, you should have successfully run this tool locally; you should then create a new workflow within the project to run it as part of the development cycle.

    +

    Your team should discuss:

    +
      +
    • How often should this new integration be run (on each pull request? on commits to main?)
      • +
    • What level of customization is needed for this tool?
      • +
    • How should the integration of this tool be enforced?
      • +
    +

    This configuration must have been justified in your design document under the Integration section.

    +

    To be considered successfully integrated, the tool must:

    +
      +
    • Be merged into your main branch
      • +
    • Have been run at least once in the Git flow cycle (i.e. either during the pull request, merge, or commit stage).
      • +
    • Pass when run on your codebase. This is indicated by having a green checkmark.
      • +
    +
    +

    Ensuring Passing Checks

    +

    In order to ensure your checks pass successfully, you may have to make additional changes to your repository, such as fixing reported issues or tweaking tool configuration.

    +

    These changes should be documented and addressed in your design document. Continually failing builds show you have not completely integrated the tool into your workflow.

    +
    +

    On Gradescope, submit a link to your repository and a link to one of the successful GitHub Action runs.

    +

    Extra Credit

    +

    Now that you and your classmates have deployed your applications, you will be able to test out each other’s features and provide constructive feedback on your experience and how to improve them! Take this as an opportunity to learn about what your classmates have been working on for the past few weeks.

    +

    Note that this is an individual task, unlike the rest of project.

    +

    Feature Review (6 pts)

    +

    For extra credit, you will conduct reviews of features developed by three other teams' project. Pick three teams's deployment from the public spreadsheet to review.

    +

    For each team, you will submit a review of their feature(s). You will need to test the feature(s) as described in their UserGuide and provide feedback on the following:

    +
      +
    1. How was the experience of using the feature(s), would this be something you think would help enable better communication between faculty and students and why?
      2. +
    2. How do you think the feature can be improved? and/or What do you think the feature did well in?
      3. +
    3. Did you discover any bugs using the feature(s)?
      4. +
    +

    To qualify for extra credit, you will have to submit your review:

    +
      +
    • on Gradescope
      • +
    • in the appropriate sheet in the public spreadsheet. There should be one sheet per team, and you should add your review to the sheet for the team you are reviewing.
      • +
    +

    Grading

    +

    To receive full credit for the checkpoint, we expect:

    +
      +
    • A link to your successfully deployed web application for your team repository
      • +
    • A list of N-1 different static and dynamic analysis tools, where N is the number of members on your team. This list must satisfy all the following criteria:
        +
      • Contain at least one static analysis tool
        • +
      • Contain at least one dynamic analysis tool
        • +
      • Contain at least one tool not on our starter list of tools
        • +
      +
      • +
    • Links to N-1 pull requests for each of the selected tools containing evidence of the tool being run at least once on your repository
      • +
    +

    To receive full credit for the final deadline, we expect:

    +
      +
    • A design document describing your research into each of the potential tools, justification for your selection of integrated tool(s), and your final integration plan
      • +
    • A link to a successful run of a GitHub Action that demonstrates your integration of your selected tool(s) into your team workflow
      • +
    +

    To receive full credit for the extra credit, we expect:

    +
      +
    • Your review of three different teams' features on Gradescope and on the public spreadsheet, addressing the three questions described.
      • +
    +

    Resources & Documentation

    +

    Starter List of Tools

    +

    NodeBB is built in Javascript/Typescript using Node.js and uses Benchpress for its frontend templating. Below are non-exhaustive lists of analysis tools that are available.

    +

    For other resources, Awesome Static Analysis page and Awesome Dynamic Analysis page have extensive listings of available static and dynamic analysis tools for a pretty hefty list of programming languages.

    +

    Some of the tools already have existing GitHub Actions workflows on GitHub Marketplace; use your Googling skills, and see what you find!

    +

    Static Tools

    +
      +
    • flow: Static type checker for JavaScript
      • +
    • JScent: Program analyzer for detecting “code smells”
      • +
    • JSHint: Used to flag suspicious usage in JavaScript programs
      • +
    • StandardJS/ts-standard: Static analysis tool for code quality within JavaScript/TypeScript projects
      • +
    • Retire.js: Finds library/node module vulnerabilities within your project
      • +
    +

    Dynamic Tools

    +
      +
    • Iroh: Runtime code tracking and visualization
      • +
    • Jalangi: Framework for dynamic analyses in JavaScript
      • +
    • Fast-Fuzz: Fuzzing framework for TypeScript
      • +
    • Stryker Mutator: Mutation testing tool for JavaScript
      • +
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    Project 4: Software Architecture + ML Evaluation

    +

    Learning Goals

    +
      +
    • Design a software architecture for software system that incorporates machine learning
      • +
    • Decide the appropriate architecture for a given problem
      • +
    • Assess and describe the tradeoffs of different architectures
      • +
    • Integration of machine learning into a software system and reason about their implications
      • +
    • Evaluate the performance and fairness of machine learning models
      • +
    • Engage meaningfully with engineering ethics
      • +
    +

    Project Context

    +

    As you and your team continue developing the new system, your CMU contact suddenly bursts into the room shouting, “Careers! Hiring! Machine learning!”

    +

    Your manager follows closely behind and provides an explanation: a significant number of job recruiters have taken interest in your project and would like to use the platform as a means to reach out to students for career opportunities. However, the population of students is too large, and increasing annually. They are concerned by the sheer number of students to review for job applications, and recruiters want a simpler way to narrow the applicant pool.

    +

    While your team had been working on deployment, your buzzword-enamored clients had hired another engineer to work on an extra ML-based feature to take in student performance data and provide a prediction of which applicants are more likely to succeed in industry. Specifically, the new career feature would:

    +
      +
    • adds a new recruiter user type
      • +
    • adds a new career tab on NodeBB, that leads to a new career page
      • +
    • the new career page will
        +
      • allow students to submit relevant information about themselves for recruiters to see
        • +
      • allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry
        • +
      +
      • +
    +

    However, the engineer left shortly after and the project was abandoned. They have left an unfinished draft pull request on the repository, and you have been tasked with completing the project.

    +

    Your manager wants you to:

    +
      +
    1. Assess the current architecture, and decide what would be the best way to incorporate the work done by the previous engineer
      2. +
    2. Reason about, document and select an appropriate architecture for the project
      3. +
    3. Finish integrating the feature made by the previous engineer based on your team's new design
      4. +
    +

    Along with architectural issues, as the feature will be evaluating student information, you are also concerned about the fairness of the model. You have been tasked with:

    +
      +
    1. Evaluating the pre-trained model's performance and fairness
      2. +
    2. Writing a report on the evaluation of the model
      3. +
    3. Provide a decision on whether the model should be used in production
      4. +
    +

    Deliverables and Deadlines

    +

    There are two (2) deadlines for this project. This project is worth a total of 180 points.

    +

    Checkpoint Deliverables – 80 points - due Monday, November 5th, 11:59pm

    + +

    Final Deliverables – 100 points - due Monday, November 12th, 11:59pm

    + +

    Checkpoint Deliverables

    +

    Architectural Design Document (60 points)

    +

    To start off, your manager has requested a concrete design document on how you plan on integrating the new ML-based career feature into the existing codebase. One of your manager's requirements is that the career feature should work on a deployed site.

    +

    You will later follow this design document in order to fully integrate this feature into NodeBB.

    +

    Your team should start by evaluating what components of the feature have been implemented for you by the previous engineer as detailed in their draft pull request, then consider potential architectural solutions. It is highly recommended that at least one team member does a fresh clone and run the draft pull request locally to get a better understanding of the feature before proceeding. (Note: You can clone template repositories without forking them.)

    +

    Some initial solutions to consider include:

    +
      +
    1. Rewriting the all aspects of the feature in Typescript and incorporating it into the monolith
      2. +
    2. Implementing a Python-based microservice and deploying it as a separate service; then, integrating the service with your existing monolith via a REST API
      3. +
    3. Refactoring part or all of the existing monolith into a microservices-based architecture
      4. +
    +
    +

    Implementation Efforts

    +

    Keep in mind that your team will have to integrate the feature as part of the final deliverable. This should be a factor that affects your final decision on which architecture to pursue.

    +
    +

    Once you have finished evaluating the codebase, create the design document highlighting your findings and decisions. Below is a sample outline for your design document along with recommended page lengths.

    +
      +
    1. +

      Feature Overview (<1 pages) + Describe concisely how the career feature works and how it will be used by the relevant stakeholders, with screenshots if necessary.

      +
      2. +
    2. +

      Current Architecture (<1 page) + Provide a brief description of the current NodeBB architecture and the current state of the new career feature (i.e. unintegrated with the rest of the codebase).

      +

      Include an architectural diagram to support your description.

      +
      3. +
    3. +

      Quality Requirements (<1 page) + Provide a concise, prioritized list of the overall quality requirements you considered in arguing for the integration of the feature into the system and a short justification for each. Your team should decide on at least three requirements to focus on.

      +

      Rank your requirements in decreasing order of importance. This allows readers to quickly understand what you were designing for.

      +
      4. +
    4. +

      Potential Solutions (~1 page each) + Your team should consider at least two different potential solutions for integrating the new feature. For each, provide at least one architectural diagram, a brief description of the solution's architectural design, and a discussion of the design's tradeoffs.

      +

      Tradeoffs must involve (but are not limited to) the quality attributes described in the previous section. Justify such arguments with reference to appropriate diagrams and concrete examples, as appropriate.

      +
      5. +
    5. +

      Selected Architecture + Justification (<1 page) + Describe which design your team decided to proceed with in architecturally integrating the feature into existing codebase. Justify your design decisions, including why your design is adequate for the quality attributes important to this system, and what assumptions you made in your design (if any).

      +

      Within your justification, you should explicitly include a timeline demonstrating how you plan on dividing development work within your team to ensure you finish implementation before the final deadline..

      +
      6. +
    +
    +

    On Diagrams

    +

    Diagrams should involve suitable architectural views; must include a legend; and should involve appropriate levels of abstraction for the components in the diagram. If necessary, use color/shape/text to differentiate between types of components and connectors.

    +

    You may find it appropriate to merge more than one view into a single diagram. If you do this, you must be explicit about what views you are merging, and why. Otherwise, diagrams should clearly represent legitimate architectural views. Make sure that multiple views of the architecture are consistent with each other and the links are clear; if necessary provide a mapping in additional text.

    +
    +
    +

    Drawing Diagrams

    +

    Drawing diagrams is much easier with the right software. Consider tools like draw.io (free, online, and collaborative), Dia, OmniGraffle, MS Visio, or even just the drawing editor of Google Docs. Google Slides will also likely work for this purpose.

    +

    Pictures of whiteboard drawings are also acceptable, if clearly readable.

    +
    +

    More resources to assist you with creating your design document can be found in the Resources & Documentation section below.

    +

    By the checkpoint deadline, your team will submit your design document to Gradescope as a PDF.

    +

    Jupyter Notebook Setup (20 points)

    +

    As the previous engineer left in a hurry, the model that was provided to you is pre-trained and you do not have any information on how it was trained. You are tasked with evaluating the model's performance and fairness.

    +

    When it comes to training the model itself, the ML engineer who worked on the project before you had the following assumptions:

    +
      +
    • The model is used to predict whether a student will be a good candidate for a software engineering job. It is a binary classifier, where 1 means the student is a good candidate, and 0 means the student is not a good candidate.
      • +
    • The model is trained on a dataset of students who have graduated from CMU, and have been working in the industry for at least 1 year.
      • +
    • In order to prevent bias, they assumed that removing Gender (M, F) and Student ID from the dataset would be sufficient when it comes to training the model. They claimed that it is now Group Unaware, thus the model would be fair.
      • +
    +

    The model specification is as follows: +

    X variable (input parameters)
+- Age (18 - 25)
+- Major (Computer Science, Information Systems, Business, Math,
+         Electrical and Computer Engineering, Statistics and Machine Learning)
+- GPA (0 - 4.0)
+- Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government,
+    Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball,
+    American Football, Men's Golf, Fraternity)
+- Number of Programming Languages (1, 2, 3, 4, 5)
+- Number of Past Internships (0, 1, 2, 3, 4)
+
+Y variable (output)
+- Good Candidate (0, 1)
+
    +The previous engineer has provided some examples on the usage of the model in the draft pull request.

    +

    You are provided with a test dataset, which contains a similar set of features and output (whether the student is a good candidate or not). This test dataset is a different set of students from the training dataset, and the evaluation of whether the student is a good candidate is done by a fair panel of recruiters, so it can be considered to be unbiased. Additionally, the panel of recruiters have provided you with additional context on the extracurricular activities in comments (marked with #).

    +

    Your test dataset is provided to you in the following format: +

    X variable
+- Student ID
+- Gender (M, F)
+- Age (18 - 25)
+- Major (Computer Science, Information Systems, Business, Math,
+         Electrical and Computer Engineering, Statistics and Machine Learning)
+- GPA (0 - 4.0)
+- Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government,
+    Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball,
+    American Football, Men's Golf, Fraternity)
+  # Likely Co-Ed (Student Theatre, Buggy, Teaching Assistant, Student Government)
+  # Likely Majority Female (Society of Women Engineers, Women in CS, Volleyball, Sorority)
+  # Likely Majority Male (Men's Basketball, American Football, Men's Golf, Fraternity)
+- Number of Programming Languages (1, 2, 3, 4, 5)
+- Number of Past Internships (0, 1, 2, 3, 4)
+
+Y variable
+- Good Candidate (0, 1)
+

    +

    Before doing a thorough evaluation of the fairness of the model, you will start by doing preliminary analysis on the test dataset, and run the model on the test dataset to get the accuracy of the model. To do so, you will need to set up a Jupyter notebook to do this, you can either:

    +
      +
    • Use Google Colab to run the notebook in the cloud. (Recommended if you do not have experience with Jupyter notebooks)
      • +
    • Alternatively, set up a JupyterLab on your local machine. Additionally, you can use VSCode to run the notebook as well. (Recommended if you are experienced)
      • +
    +

    It is recommended that you use Python 3.9 or above when setting up the notebook.

    +

    After you have set up the notebook, you should:

    +
      +
    1. Load the model and test dataset
      2. +
    2. Plot the distribution of the test dataset across all features (except Student ID) using any visualization library of your choice (e.g. pandas, matplotlib, seaborn, plotly, etc.). You should choose the appropriate visualization for each feature.
      3. +
    3. Predict the output of the test dataset using the model
      4. +
    4. Report the accuracy of the model, and the confusion matrix
      5. +
    +

    Refer to the Resources & Documentation section if you need help with any of the above steps.

    +

    By the checkpoint deadline, your team will commit the Jupyter notebook to your repository, and submit a link to the Jupyter notebook with the basic analysis and usage of the model done.

    +

    Final Deliverables

    +

    Feature Integration Implementation (60 points)

    +

    Complete the integration of the ML-based candidate recommendation feature into your team repository for NodeBB. Your implementation should follow your selected design from your checkpoint design document.

    +

    Revisiting the project context, the feature:

    +
    +
      +
    • adds a new recruiter user type
      • +
    • adds a new career tab on NodeBB, that leads to a new career page
      • +
    • the new career page will
        +
      • allow students to submit relevant information about themselves for recruiters to see
        • +
      • allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry
        • +
      +
      • +
    +
    +

    You may freely use any and/or all of the development progress made available in the draft pull request in your implementation. In fact, if the draft pull request matches your proposed design, you are highly encouraged to directly integrate all code from the draft pull request as a starting point for your implementation.

    +

    On Gradescope, you should:

    +
      +
    • Submit a link to your deployed site that has the career features successfully integrated
      • +
    • Answer the discussion questions regarding your implementation and any additional design decisions made by your team
      • +
    +
    +Partial Credit +

    For partial credit, you may instead submit your repository with a locally working integration of the career feature. You should then answer the presented questions on Gradescope for how to get your feature working locally.

    +
    +
    +

    A Note on CD

    +

    While we encourage CD workflows, your deployment does not have to be automated for this assignment. In other words, it is acceptable to manually deploy your site without modifying your workflow from the previous project.

    +
    +

    Evaluation Report (40 points)

    +

    Now you have to decide whether the model should be used in production. You will need to evaluate the performance and the fairness of the model. You should do all your work in the Jupyter notebook that you set up in the checkpoint deliverables.

    +

    Performance Evaluation

    +

    You should have already evaluated the performance of the model in the checkpoint deliverables. You should now do a more thorough evaluation of the model's performance. You should:

    +
      +
    • Evaluate the model's performance on the test dataset, and report the accuracy and confusion matrix
      • +
    +

    Fairness Evaluation

    +

    When evaluating the fairness of the model, you should

    +
      +
    • Revisit the assumptions made by the previous engineer
      • +
    • Revisit the fairness discussion we had in class, and also in ML Discrimination
      • +
    • Consider the fairness strategies and corresponding metrics that can be used to evaluate the fairness of the model
      • +
    +

    Report

    +

    After evaluating the performance and fairness of the model, you should now write a report on your findings. You will also need to provide a decision on whether the model should be used in production.

    +

    Your report should include the following sections with clear headings:

    +
      +
    1. Introduction (< 0.5 page) + Provide a brief introduction to the model that you are evaluating, and the test dataset that you are using, and the context of use of the model.
      2. +
    2. Description of the test data (< 1 page) + Provide descriptive statistics of the test dataset (e.g. mean, median, mode, standard deviation, etc.) for each feature, preferably in a table. You should also provide a brief discussion on the distribution of the features.
      3. +
    3. Model Performance (< 0.5 page) + Provide the accuracy and confusion matrix of the model on the test dataset and a brief discussion on the performance of the model.
      4. +
    4. Feature Exploration (< 1 page) + Identify features that you think are important when it comes to evaluating the fairness of the model, and explain why.
      5. +
    5. +

      Fairness Evaluation (~ 1.5 page) + Consider three fairness strategies that were discussed in class and then:

      +
        +
      1. Provide the corresponding fairness metrics for the model (if applicable) based on the features you selected in step 4.
        2. +
      2. Determine whether the model is fair under each fairness strategy, and provide a brief discussion on why.
        3. +
      3. Determine which fairness strategy is the most appropriate for the model, given the context of what the model is used for. Provide a brief discussion on why.
        4. +
      +
      6. +
    6. +

      Recommendation (< 0.5 page) + Make a recommendation on whether the model should be used in production, and provide a brief discussion on why.

      +
      7. +
    +

    On Gradescope submit the following:

    +
      +
    • A link to your Jupyter notebook that contains your code and analysis that is committed to your GitHub repository.
      • +
    • A PDF of your report
      • +
    +

    Grading

    +

    To receive full credit for the checkpoint, we expect:

    +
      +
    • A design document outlining your research into the existing codebase architecture, the quality requirements considered by your team, alternative solutions, and a final justification & timeline for your selected integration plan
      • +
    • A link to a Jupyter notebook completing all of the setup steps outlined by the previous section
      • +
    +

    To receive full credit for the final deadline, we expect:

    +
      +
    • A link to your successfully deployed web application for your team repository which demonstrates the integration of the ML-based career feature
      • +
    • A link to a Jupyter notebook containing all research/data gathered during your evaluation of the ML model
      • +
    • An uploaded PDF report discussing the fairness of the model addressing all the sections outlined above
      • +
    • Everyone in the team has contributed to a pull request to the team repository (Note: Either for the Jupyter notebook or the career feature integration)
      • +
    +

    Resource & Documentation

    +

    Design Documents

    +

    The design document task is easy to underestimate both in terms of time needed and in terms of difficulty designing meaningful and useful descriptions. While it is easy to create a superficial solution, a good solution will likely require significant thinking, discussion, and iteration.

    +

    Feel free to seek feedback from the course staff on your solution before submission!

    +

    We recommend that you appoint someone in your team to track the accuracy and completeness of architectural representations throughout this assignment. Do not just divide up the views among your team members and assume they show everything needed. You only need to submit the final designs/documents, not intermediate steps on the process of getting there.

    +

    There are a few additional reference materials available in the CMU library that your team may want to consult. We do not recommend reading through all of it; instead, skip around to sections that are relevant to you.

    + +

    Integration

    + +

    Model Analysis

    +

    Jupyter Notebooks

    + +

    Pandas

    + +

    Data Analysis

    + +

    Visualization

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    Project 5A: Project and Task Selection

    +

    Deliverables

    +

    Project & Task Selection – 80 points – due Tuesday, November 21st, 11:59pm

    +
      +
    • Check-In Presentation Slides – due Tuesday, November 21st, 11:59pm
      • +
    • Presentation Date – Tuesday, November 21st, during the lecture time
      • +
    +

    Open Source Project Selection

    +

    You may select any active open source project in any language, as long as it's not already being selected on by another team. You can find a list of open source projects selected by other teams on the Public Project Selection Spreadsheet.

    +

    Here are some helpful resources for finding open source projects:

    + +

    You may want to consider any open-source projects you have used before, or are interested in using in the future!

    +

    The open source project you pick should be active and have multiple contributors. Generally you want to pick projects that are quick at reviewing and accepting PRs from external contributors for a better chance of getting your bonus. Previous students have lamented choosing dead or maintenance projects without sufficient community support. Do not make this mistake.

    +

    If you have questions on if we would consider a project active, contact the course staff.

    +

    Once you have selected a project, add it to the Public Project Selection Spreadsheet.

    +

    Task Selection

    +

    For the rest of this assignment, we will refer to bug fixes and feature extensions as tasks.

    +

    You are free to chose any task(s) to complete for this assignment, as long as they:

    +
      +
    • Are taken from a bug report or feature request in a public database or message board. Do not invent a task. Address a documented project need.
      • +
    • Make changes to the project’s source code. Pure documentation or design tasks are not appropriate
      • +
    • Benefit from teamwork and are appropriate for your team size (i.e. do not select one small independent task per team member). You may choose one large task or several smaller, related tasks. The tasks should be scoped such that each team member spends one week of development effort
      • +
    +

    We expect students to actively communicate with the project owners the task you are trying to do via the owners' preferred methods of communication (GitHub comments, Discord server, etc) and follow the repository's issue assignment process(es). This will also ensure that they are more likely to accept your pull request(s) in the future.

    +

    If you have questions on these criteria, contact the course staff.

    +

    Task Planning

    +

    Once you have selected a project and task(s), break them down into subtasks, consider their priority and assign them to each team member. Identify a set of tasks as your core goal for this project, and another set of tasks as stretch goals.

    +

    You are expected to achieve your core goal for this project, and stretch goals as much as possible. We will work with you to adjust your goals during the check-in presentation to ensure that they are appropriate your team size and timeframe.

    +

    As per previous project, plan before you start coding. You should identify risks and requirements, and develop a collaboration plan and schedule.

    +

    Check-In Presentation (80 pts)

    +

    The lecture slot of Tuesday, November 21st will be dedicated to an in-person group presentation about your project and task selection.

    +
      +
    • Presentations are 7 minutes long, with 3 minutes of feedback and Q&A
      • +
    • The order of presentations will be randomly determined
      • +
    • Participation from all team members during the presentation is required
      • +
    +
    +

    Presentation Attendance

    +

    For full credit, you would have to be on time for the presentation session. If you are unable to attend in-person, you must

    +
      +
    • Send an email to the instructor with justifications at least 24 hours before the presentation, else you will receive no credit for this part of the assignment, and
      • +
    • Pre-record your segment of the presentation, which your teammate will play during the presentation
      • +
    +
    +

    Your group presentation will serve as a check-in to determine if the open source project and task(s) chosen were reasonable

    +

    Your 7-minute check-in presentation should include (the recommended slides amount is in parenthesis):

    +
      +
    1. +

      Overview and Justification (~1 slide) + An overview on the project you selected, summarizing the relevant characteristics you considered when making your selection. Beyond whatever additional information you collect in your research, include at least a name, a website link, and a brief description of the project (what it does, who uses it, etc). +

      +
      2. +
    2. +

      Successful Build (~1 slide) + Evidence that you can build and run the software (e.g., a screenshot or text output from a successful build, a screenshot of the running program). Getting an open-source project to build/run can be a huge effort, and we want to mitigate this risk. +

      +
      3. +
    3. +

      Task(s) Description (~2-3 slides)

      +
        +
      • A brief textual description of your proposed change(s). In addition to your core task(s), you may choose to include a stretch task, depending on how difficult the changes end up being, you may not need to implement it. Note that if your actual changes deviate from the plan, we expect a short explanation with the final submission.
        • +
      • A justification as to why the task(s) benefit(s) from teamwork and are appropriate for your team size. +
        • +
      +
      4. +
    4. +

      Task Requests(s) (~1 slide)

      +
        +
      • Evidence that the task(s) is/are requested by the community (links suffices).
        • +
      • Evidence of communication with the project owners (e.g., a link to a discussion thread, a screenshot of a chat, etc). +
        • +
      +
      5. +
    5. +

      Subtasks & Assignments (~1 slide) + A table to summarize for each subtask:

      +
        +
      • A description of each subtask
        • +
      • The priorities & justification of priorities of the subtasks (and if it's part of core goals or stretch goals)
        • +
      • An initial assignment of subtasks to team members. +
        • +
      +
      6. +
    6. +

      Schedule (~1 slide) + A table to summarize the schedule for each team member, including:

      +
        +
      • The start and end date of each subtask
        • +
      • The number of hours each team member will spend on each subtask
        • +
      • The number of hours each team member will spend on the project in total +
        • +
      +
      7. +
    7. +

      Risk & Mitigation Strategies (~1 slide) + A list of at least two relevant risks when it comes to working on the tasks in your selected open source project and corresponding mitigation strategies.

      +
        +
      • We expect you to identify risks that are specific to your project and team. For example, if you are working on a project that is written in a language that none of your team members have used before, you should identify this as a risk and discuss how you will mitigate it.
        • +
      • We will not accept risks that are generic to all open source projects (e.g., "the project may be abandoned"), or risks that are generic to all software development projects (e.g., "the project may have bugs").
        • +
      +
      8. +
    +

    Submit the presentation deck listed above as a single PDF file per team to Gradescope.

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    Project 5B & C: Project Presentations, Final Report, and Reflections

    +

    Deliverables

    +

    Project Report and Presentation – due Wednesday, December 6th, 11:59pm

    + +

    Presentation Date – Thursday, December 7th, 8:30am - 11:30am, during exam timeslot

    +

    Reflection – due Thursday, December 7th, 11:59pm

    + +

    Contributing to Open Source

    +

    You should perform adequate quality assurance activities when writing code.

    +
      +
    1. +

      Take further steps to understand the project’s code +You might find it useful to engage in intra-team discussions using static or dynamic diagrams. You might also find it useful to elicit feedback on your ideas by communicating with members of the open-source community.

      +
      2. +
    2. +

      Submit your changes to the project +Create any necessary documentation to enable acceptance of your code. Common contribution mechanisms include pull requests, emails to a project lead, or discussion board posts. You may also need to update the bug database. The project owners will review and evaluate your pull request, and you might need more work to get it approved. +You are required to submit your work to the open-source project

      +
      3. +
    3. +

      BONUS: Get your changes accepted +You will get a bonus 20 (6%) bonus points upon acceptance. If your code is accepted after the homework deadline but before final grades are released, inform the course staff.

      +
      4. +
    +

    Report, Presentation and Reflection

    +

    You will report on your project and task selection, work, and experience in several ways (see below). This will include a group presentation to the class.

    +

    Project Presentations (100 pts)

    +

    The Final Exam time is dedicated to group presentations (in-person) about your open source contributions.

    +
      +
    • Presentations are 7 minutes long, with 3 minutes Q&A.
      • +
    • The order of presentations is randomly determined.
      • +
    • Participation from all team members during the presentation is required.
      • +
    • Every individual will be asked to provide constructive feedback for other presentations in class via an paper form (which we will provide day-of).
      • +
    +
    +

    Presentation Attendance

    +

    For full credit, you would have to be on time for the presentation session (within 10 minutes of start time). If you are unable to attend in-person, you have to send an email with justification to the instructors at least a week before your final exam timeslot so that appropriate arrangements can be made. Exceptions to notification deadline will only be made for unforseeable circumstances.

    +
    +

    The goal of the presentation is primarily to share with the class the project to which you contributed, and your experiences. Your presentation should cover the following topics (the recommended slides amount is in parenthesis):

    +
      +
    1. +

      High-level Project Overview (~1 slide)

      +
        +
      • Describe the project in terms of its high-level goals and the context in which it operates. This may include a brief history and the business context. E.g. it may be interesting to note that a project was spawned from a closed-source operation, or that it competes primarily with a closed-source counterpart.
        • +
      +
      2. +
    2. +

      Brief Task Description(s) (~2 slides)

      +
        +
      • Brief description of the task(s) you performed, such that the audience has sufficient context to understand your explanation of your experiences.
        • +
      • A table that briefly summarizes the contribution(s) each team member made towards completing the task(s).
        • +
      • We do not expect you to include, for example, any code or diagrams from your report, unless they’re helpful for supporting a point about your interactions with the project.
        • +
      • Include a demo of your contribution(s), if applicable. Please do a screen recording of your demo instead of a live demo.
        • +
      +
      3. +
    3. +

      Project Processes and Communication (~2 slides) + Describe the processes and tools the project uses to coordinate among contributors. For example: Are these processes formal or informal? Provide an explicit description (possibly with a diagram) of the acceptance process used for efforts like the task you completed.
      If applicable, include standards or expectations regarding software engineering activities including requirements, architecture, and quality assurance; alternatively mention that no such standards exist.

      +
      4. +
    4. +

      Your Experiences (~2 slides) + Summarize your experiences (and what you learned!) interacting with this community of open source developers, focusing on any surprising or unusual aspects of the process or interaction. For example

      +
        +
      • Did you run into any trouble understanding, changing, or contributing to a large, pre-existing project?
        • +
      • Were there unanticipated challenges in either implementing your change, or in getting the change submitted to and accepted by the project maintainers?
        • +
      • Did the project collaboration process or culture help or hinder your effort in any way? Characterize any interaction you had with the team leadership and community, highlighting especially any useful/useless input you received. You may (but are not required to) also relate the experience from this homework assignment with relevant experience from internships or other projects.
        • +
      +

      Your summary of your experiences can be at whatever level of detail you think is interesting or informative. Given the time limit, selecting and highlighting the two or three most important or interesting observations is likely more useful than trying to be complete.

      +
      5. +
    +

    You must upload your slides as a single PDF document to Gradescope by Wednesday, December 6th at 11:59pm.

    +

    Project Report (120 pts)

    +

    After completing and submitting the modification, write a report about the tasks you have performed.

    +

    Your report should include:

    +
      +
    1. +

      Selected Project (1 paragraph) +A brief description of the open source system to which you contributed. You may reuse text from Part A.

      +
      2. +
    2. +

      Project Context and Business Model (<0.5 page) +An analysis of the open-source project’s context and business model. This may include a short history of the project, competing open- and closed-source projects, or a discussion of the developers’ motivations to build this system. Essentially, we want to know why this project exists and why it is important.

      +
      3. +
    3. +

      Task Description (per task) (<0.5 page) +A description of the tasks you have implemented and a high-level description of how you implemented them.

      +
      4. +
    4. +

      Submitted Artifacts (per task) +Evidence of the code, documentation, or other artifacts you produced for the task, and evidence that you submitted them to the project. This would likely be links to publicly available resources (repository, email, pull request, etc).

      +
      5. +
    5. +

      QA Strategy (<1 page) +Describe which QA activities you performed and justify why you selected these QA activities over others. Describe metrics if appropriate. The justification will likely refer to relevant requirements as well as to the project’s practices.

      +
      6. +
    6. +

      QA Evidence +Evidence of your quality assurance activities described above. For example, provide source code or links to source code of tests, provide test protocols, comments or protocols from code reviews, reports from static analysis tools, links to or screenshots from a continuous integration platform, and so forth.

      +
      7. +
    7. +

      Plan Updates (<1 page) +A description and justification of deviations between your initial plans and your performed activities (as in Homework 2). Changes are expected, but they should be tracked and explained. Describe changes in scope (e.g., fewer tasks) and in the schedule and work allocation. Provide an updated schedule and note differences. Explain the causes of the changes, such as unanticipated risks.

      +
      8. +
    8. +

      Extra Credit +Evidence that your changes have been accepted into the code base of the open source project in forms of links or screenshots. Note: You can also send the merged PR link via Slack to the instructor by December 10th 1pm to claim this bonus as well

      +
      9. +
    +

    Page limits are provided for guidance; we will not enforce them. Collect all parts in a single PDF document with clear subsections and the names of all team members and submit that file to Gradescope.

    +

    Individual Reflection & Peer Evaluations (20 pts)

    +
    +

    Contributions

    +

    We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of this project will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit.

    +
    +

    Your individual reflection should include:

    +
      +
    1. +

      Self Evaluation +Describe the work you have done in this project (e.g. code artifacts, documentation) as well as efforts towards helping your team towards completing this project (e.g. research, organizing meetings, running meetings).

      +
      2. +
    2. +

      Peer Evaluations +Describe the specific work each of your team members have contributed towards this project. Describe both tangible (e.g. code artifacts, report & slides making, documentation) and intangible (e.g. organizing & running meetings, communicating expectations) contributions. Do point out teammates that you think are exceptional to work with in this project as well.

      +
      3. +
    3. +

      Teamwork + You have been in the same team over the course of this semester (Projects 2-5). Look back on the entire semester and reflect on your team experiences. The following questions may guide you:

      +
        +
      • What has worked, what hasn’t?
        • +
      • If you could start 313 or another course over with the same team, what would you change?
        • +
      • What have you learned about teamwork and your role in teamwork?
        • +
      • (Optional) Do you have any feedback on what we can do next year to help students work more effectively in teams? Bear in mind that the instructor-assigned heterogeneous teams of 3-5 students is non-negotiable. We anticipate problems as part of the learning experience, but would like to avoid unduly frustrating situations.
        • +
      +
      4. +
    +

    A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support them. Submit your reflection on Gradescope.

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    Project 5: Open Source Excursion

    +

    Learning Goals

    +
      +
    • Holistically apply software engineering methods in the context of a real-world problem, including process, requirements, architecture, measurement, and quality assurance
      • +
    • Gain broad and deep exposure to the culture and practices of open-source communities
      • +
    • Understand commonly used infrastructure used in open-source, and how to choose infrastructure when starting a new open-source project
      • +
    • Engage with an open-source community
      • +
    • Identify process issues and suggest improvements in real-world projects, including communication, collaboration, tooling, quality assurance, formal and informal rules and policies
      • +
    • Coordinate within a team and adopt practices for efficient teams
      • +
    • Understand a project’s architecture and design and make a decision about the feasibility of a proposed task
      • +
    • Divide and schedule work within a project
      • +
    • Discuss how agile practices affect development
      • +
    • Discuss business concerns and business models of software development
      • +
    +

    Project Description

    +

    Your high-level goal is to produce and submit a non-trivial modification or extension to an open-source project in a way that maximizes the chances that the project maintainers accept it.

    +

    If you demonstrate to us that your change has been accepted and integrated into the project’s code base, you will get 20 bonus points. Your team will select an open source project, select a change to implement, actually contribute to the project, and present your insights to the class. You will individually reflect on your teamwork and open source experience.

    +

    Deliverables and Deadlines

    +

    This will is your final project with your group. There are 3 deadlines for this project. The project is worth a total of 320 points (~18% of your final grade).

    +

    A) Project & Task Selection – 80 points – due Tuesday, November 21st, 11:59pm

    +
      +
    • Check-In Presentation (80 pts) - Held on Tuesday, November 21st
      • +
    +

    B) Project Final Report & Presentations – 220 points – due Wednesday, December 6th, 11:59pm

    +
      +
    • Project Report (120 pts)
      • +
    • Extra Credit (20 pts)
      • +
    • Project Presentation (100 points) - Held during exam timeslot on Thursday, December 7th, 8:30am - 11:30am
      • +
    +

    C) Individual Reflections – 20 points – due Thursday, December 7th, 11:59pm

    +
      +
    • Reflections & Peer Review (20 pts)
      • +
    +
    +

    Tip

    +

    This is a large assignment spanning from now until your final exam timeslot. We estimate that this project will take each student on the team on average 8-10 hours/week over the next 3 weeks, for a total of 30 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables.

    +

    To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team.

    +
    +
    +

    Contributions

    +

    We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of P5 will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit.

    +

    If severe teamwork issues arise please contact the course staff.

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    Homework

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    Coming soon!

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    + + + + + + + + + \ No newline at end of file diff --git a/readings/10132-001-Universal-credit-exerpts.pdf b/readings/10132-001-Universal-credit-exerpts.pdf new file mode 100644 index 000000000..5f92cfbf3 Binary files /dev/null and b/readings/10132-001-Universal-credit-exerpts.pdf differ diff --git a/readings/R1/index.html b/readings/R1/index.html new file mode 100644 index 000000000..26fedffe2 --- /dev/null +++ b/readings/R1/index.html @@ -0,0 +1,721 @@ + + + + + + + + + + + + + + + + Pre-lecture Reading 1: Software Archeology - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Recitation 2: Crash Course in Angular.js

    +

    Overview

    +

    This recitation aims to highlight the basics of Angular.js by walking students through the implementation of a basic To-Do list app. Students will be expected to use this knowledge to make changes to the Angular.js components of the Teedy project in a future assignment.

    +

    Pre-requisites

    + +

    Task 0: Fork the repl

    +
      +
    • Create an account on repl.it
      • +
    • Fork this repl - you’ll be using this to work through this exercise and see your changes
      • +
    • When you run the app you should see something like the below screenshot. At this point, all the static HTML for the todo list has been set up. You’ll be working on making the todo list app function properly using Angular.js + Static Todo List
      • +
    +

    Task 1: Setup Angular.js

    +

    Goal: Convert the basic HTML skeleton in the repl to an Angular.js app

    +

    Steps:

    +
      +
    • Import the Angular.js library by adding the following script tag to the head component of index.html
      • +
    +
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>
+
    +
      +
    • Add the ng-app directive to the main <html> tag to specify the root of your app
      • +
    • This involves changing the <html> tag at the top of index.html to <html ng-app>
      • +
    +

    Task 2: Data Binding Basics

    +

    Goal: Display a dynamic title based on user input

    +

    Steps:

    +
      +
    • Use the ng-model directive to tie the value in the name text input field to a variable in the Angular.js app’s model.
      • +
    • Add ng-model="varName" to the name text input tag
      • +
    • Include {{varName}} in the Hello here's your todo liststring to bind the data in the model to the title in the view
      • +
    • Changing the value in the name text field should now change the title in real-time
      • +
    +

    Task 3: Setting up the controller

    +

    Goal: A boiler-plate controller called TodoListController has been set up in app.js. We want to connect our app with this controller so we can get more control over our todo list

    +

    Steps:

    +
      +
    • Import app.js by adding the following script tag to the head component of index.html
      • +
    +
    <script src="app.js"></script>
+
    +
      +
    • Change the ng-app directive to bind to todoApp
      • +
    • Change <html ng-app> at the top of index.html to <html ng-app="todoApp">
      • +
    • Add the ng-controller directive to bind the TodoListController
      • +
    • Change the opening <body> tag to <body ng-controller="TodoListController as todoList">
      • +
    • Now we can access the controller within the body tag using the todoList alias
      • +
    +

    Task 4: Rendering the list of todo items

    +

    Goal: There’s a list called todos in our controller that we’ll use to store our todo list items. We want to replace the static todo list item with the todo items in this list

    +

    Steps:

    +
      +
    • Use the ng-repeat directive to render items in the list
      • +
    • Change the <li> tag that renders a list item to <li ng-repeat="todo in todoList.todos">
      • +
    • Add the ng-model="todo.done" directive to the checkbox input tag so the checkbox reflects the value in the done field of a given todo list item
      • +
    • Replace the static todo list item text with {{todo.text}} to render the text associated with a given todo item in the list
      • +
    • Changing the data in the todos list in app.js should now change the contents of the todo list rendered
      • +
    +

    Task 5: Adding new todo items

    +

    Goal: Allow users to add new todos to the list using the form in the app

    +

    Steps:

    +
      +
    • Use the ng-model directive to tie the value in the new todo text input field to a variable in the angular.js app’s model
      • +
    • Add ng-model="todoList.todoText" to the add new todo here text input tag
      • +
    • Implement the todoList.addTodo function in app.js
      • +
    • Add a new todo item to the list using the data in todoList.todoText
      • +
    • Clear the text input field by setting todoList.todoText to the empty string
      • +
    • Add the ng-submit directive to the form to call this addTodo function on submit by changing the opening <form> tag to <form ng-submit="todoList.addTodo()">
      • +
    +

    Task 6: Special styling for completed todo items

    +

    Goal: We want to apply custom styling for completed todo items, so they appear crossed out

    +

    Steps:

    +
      +
    • A CSS class called done-true for completed todo items has been implemented in style.css. Make any changes you’d like to this CSS class
      • +
    • Apply this class to the todo text item
      • +
    • Change the <span> tag used to render {{todo.text}} to <span class="done-{{todo.done}}"> + Checking a given todo item should lead to the custom css class being applied to that item
      • +
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    + + + + + + + + + \ No newline at end of file diff --git a/recitations/deployment-workshop/index.html b/recitations/deployment-workshop/index.html new file mode 100644 index 000000000..a0fe0d857 --- /dev/null +++ b/recitations/deployment-workshop/index.html @@ -0,0 +1,862 @@ + + + + + + + + + + + + + + + + Cloud Deployment Workshop - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Cloud Deployment Workshop

    +

    Overview

    +

    Throughout this workshop, students will:

    +
      +
    • +

      Understand the fundamental steps involved in deployment

      +
      • +
    • +

      Learn about CI/CD and the basics of how to set it up in a Github repo

      +
      • +
    • +

      Get hands on experience deploying with cloud providers - Render.

      +
      • +
    • +

      Set up and get familiarized with the Extreme Startup web app for use in Thursday's (October 5th) recitation.

      +
      • +
    +

    Definitions

    +

    Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment.

    +

    Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality.

    +

    Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production.

    +

    Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime.

    +

    There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!

    +

    Task 0: Setting up your repository

    +

    For this workshop, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Thursday during the Extreme Startup game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game.

    +

    The steps to do this are as follows:

    +
      +
    1. +

      Fork this repo: https://github.com/CMU-17313Q/basic-web-app.

      +
      2. +
    2. +

      Follow the instructions in the readme to run and test the development server locally.

      +
      3. +
    3. +

      Once you have it running locally visit http://localhost:3000 and try different queries like "Who was Shakespeare?" and "What is your Andrew ID?"

      +
      4. +
    4. +

      Also visit http://localhost:3000/api?q=shakespeare - this is the API endpoint that our game server will use at next week's lecture.

      +
      5. +
    +

    Task 1: Continuous Deployment

    +

    To start off, you'll be deploying the app you just forked on one cloud platform - Render. The goal here is to make your app accessible over the internet. You'll also be setting up continuous deployment such that this deployment is updated with the latest version of the app, whenever you push code to the main branch of your repository.

    +
      +
    1. Create an account on Render
      2. +
    2. Create a new Web Service
      3. +
    3. Choose "Build and deploy from a Git repository"
      4. +
    4. Click on Configure account under GitHub, to give Render access to your GitHub repositories - this is necessary to setup continuous deployment.
      5. +
    5. Connect your basic-web-app fork to the Web Service you just created
      6. +
    6. Name your web server <andrewID>-313
      7. +
    7. Set the Runtime to "Node", Build Command to npm install; npm run build and Start Command to npm start
      8. +
    8. Select "Singapore (Southeast Asia)" as the region
      9. +
    9. Make sure that the "Free" Instance Type is selected, and click "Create Web Service"
      10. +
    10. When the build completes, click on the link of the form *.onrender.com at the top of the page to view the deployment.
      11. +
    +

    Task 2: Implement "What is your Andrew ID?"

    +

    To test that the continuous deployments are working as expected, and familiarize yourself with the basic web app codebase, let's implement support for the query "What is your Andrew ID?"

    +
      +
    1. Extend the QueryProcessor function to support this question in utils/QueryProcessor.tsx - this is where all the Query Processing logic exists
      2. +
    2. Verify that the implementation is correct by running the app locally and testing manually.
      3. +
    3. Write a test for the query you just implemented in __tests__/utils/QueryProcess.test.ts
      4. +
    4. Verify that the tests function correctly by running npm run test.
      5. +
    5. Commit and push your changes
      6. +
    6. Once pushed, verify that CD is functioning correctly by checking that a new deployment is triggered on Render dashboard.
      7. +
    7. Once the deployments are complete manually verify that both support the query you just implemented.
      8. +
    +

    Bonus Task: Continuous Integration

    +

    While the steps above are all that is required for the Extreme Startup game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo.

    +

    The process will be similar to above.

    +
      +
    1. +

      Create a new .github/workflows/test.yml

      +
      2. +
    2. +

      Copy the following into the files and fill in the blanks appropriately!

      +
      3. +
    +
    name: __BLANK 1__
+
+on:
+
+push:
+
+branches:
+
+- main
+
+jobs:
+
+__BLANK 2__:
+
+    runs-on: ubuntu-latest
+
+    name: __BLANK 3__
+
+    steps:
+
+    - uses: actions/checkout@v3
+
+    - uses: bahmutov/npm-install@v1
+
+    - run: npm run __BLANK 4__ (Run ESLint)
+
+    - run: __BLANK 5__ (Run Jest)
+
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    Hint: Look at the readme of the basic-web-app repo!

    +
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    Conditional CD

    +

    In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here!

    +
    +

    With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed on Render. Cool!

    +

    Remember to do Cloud Deployment Workshop Quiz on Gradescope!

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    Recitations

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    Coming soon!

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    Recitation 1: Using Git & Github for Collaborative Development

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    Overview

    +

    After this recitation, the students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the GitFlow workflow and how to collaborate with other developers in their projects.

    +

    Prerequisites

    + +

    You will be doing the activities as pairs, so be sure to find a partner! Unless specified, each step is to be done by both people.

    +

    Activity 1a: Forking a repo and adding a collaborator

    +
      +
    • Have either you or your partner fork this repository, then add the other person as a collaborator on GitHub. You can do so by clicking on Settings, then Collaborators
      • +
    • Under the General tab in Settings, check the "Issues" checkbox in the "Features" section to enable the issues pane for your repository + Github Permissions
      • +
    • Clone the repository onto your local machine
      • +
    +

    Activity 1b: Run a GitHub Action Workflow

    +
      +
    • On Github, click the Actions tab, enable the workflows and select the “Lint and Test” workflow
      • +
    • Click on the "Run workflow" dropdown, then the "Run workflow" button (leave Branch to be main). This runs the GitHub workflow that runs the linter and tests on the project
      • +
    +

    Our GH actions pipeline suggests that the main branch is broken! Let’s walk through the process to fix these errors.

    +
    +

    Merging to main

    +

    In practice, you should not merge a branch into the main branch that could cause main to fail. This way, we can ensure that all the code on main is our most recent working product

    +
    +

    Activity 2: Setting up Kanban board and creating issues

    +
      +
    • Click through the build output and take a look at why eslint is failing. Take note of the names of each file - you should use these when naming your issues!
      • +
    • On GitHub, under the Project tab, have one person create a new project with the "Board" template. Make sure to set the project to public and invite your partner as a collaborator
      • +
    • Go back to the Project tab on the repository page and add the project board
      • +
    • Under the Issues tab, have the other person create an issue for for correctly translating each typescript file that fails the eslint workflow
      • +
    • Assign yourselves to both issues, one for each person
      • +
    • Add the two issues to the project Kanban board under the Todo column
      • +
    +

    Activity 3: Branching, committing, and pushing

    +
      +
    • In your local machine, create a new branch with a relevant name to the issue you are addressing (e.g. "fix-header-sizing-issue", "fix-multiple-dialog-bug", "add-sorting-feature")
      • +
    • Fix the issue that you were assigned to, then add and commit the changes
      • +
    • Commits should start with a verb, and what it does to the codebase (e.g. "Remove faulty condition from getCustomerDetails", "Fix failing CompositeTestCase", "Fix issue #21" )
      • +
    • Push the branch to remote
      • +
    +
    git push --set-upstream origin <your-branch-name>
+
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    Activity 4: Writing pull requests

    +
      +
    • On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch
      • +
    • Make sure it is to the main of your own forked repository! By default, Github selects the original repository instead of your own forked repository.
      • +
    • Name your pull request appropriately
      • +
    • In the description, describe what changes has been made to address the issue, and how has the changes been tested
      • +
    • Notice that the GitHub action workflow runs automatically when you create the pull request! You should check that the file you translated passes the eslint check and that the correctness tests still pass
      • +
    • Assign the issue you created to the pull request
      • +
    • Request your partner for a code review
      • +
    +

    Activity 5a: Doing code reviews and resolving merge conflicts

    +
      +
    • Review your partner’s code (use the review change button). Approve changes if it looks good
      • +
    • Once your PR has been reviewed, merge your changes! Resolve any merge conflicts that arises accordingly
      • +
    • Return to the Kanban board. If everything was set up correctly, the issue should automatically move into the Done column
      • +
    +

    Activity 5b: Check GitHub actions

    +
      +
    • Click on the Actions tab. If you have resolved all the issues correctly, the tests and linter should now pass, and a green check should show
      • +
    +

    Remember to do Recitation Quiz 1 on Gradescope! Please only open it after you have completed all the steps above.

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    Recitation 10: Open Source Projects

    +

    Overview

    +

    This recitation will give you the opportunity to familiarize yourself with various open source projects and help your team with finding a project to work on for Project 5.

    +

    Context

    +

    Open source software refers to software where the code is openly available, allowing contributors to freely run, modify, contribute, and redistribute the code. These projects provide a great learning experience of working with large codebases to beginner programmers, and give you the opportunity to contribute to software that’s used by a large number of community members.

    +

    The general criteria for an open source project: +- Repository must be public & open to outside contributors +- Repository must have an open source license

    +

    Scavenger Hunt (30 min)

    +

    Join the slide deck made by your TA for your class and make a copy of the slide for your team. Then, search for open source projects to fill each square in the Scavenger Hunt table. Each project can only count for one square. The goal is to have as many squares filled as possible!

    +

    While learning about different open source projects, think about what type of projects you would be interested in working on for Project 5.

    +

    Reflection (10 min)

    +

    With your team, discuss the following questions: +- Which attributes make a good open source project? A bad open source project? +- Which projects did you find that you would most like to work on? Which would you least like to work on? Why?

    +

    Pick 3 projects that you are interested in pursing for Project 5.

    +

    Public Project Selection

    +

    Once your team has decided on an open source project, add it to the Public Project Selection Spreadsheet.

    +

    Resources

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    Recitation 2: Team Contract Workshop

    +

    Overview

    +

    After this recitation, students will have met their teams and completed a rough draft of the teamwork contract they'll submit for Project 2. Students will meet their teams and discuss important aspects of team work such as setting expectations, managing communication, and distributing responsibility.

    +

    Prerequisites

    +
      +
    • None!
      • +
    +

    You will be doing the activities in your teams. Sit with them!

    +

    Activity 1: Get to know your team!

    +

    See team assignments. Do some quick intros, then get ready for..

    +

    Activity 1a: Similarities!

    +

    In your group, spend 5 minutes finding things that every group member has in common. If your team has n people, find n such similarities. Try to avoid simple things like: everyone is a CMU student, everyone is enrolled in 313, everyone loves 313, etc…

    +

    Activity 1b: Team Name

    +

    As part of Project 2, you’ll need to come up with a name for your team. Do so now!

    +

    As per the project handout, your name should be “unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children.”

    +

    Activity 2: Team Contract

    +

    In Project 2, we'll ask you to write up and submit a team contract, which will be a written record of how your team will work together.

    +

    In this activity, we'll create a rough outline of the team contract and start the discussions around important team building and teamwork topics.

    +

    First, determine where you'll write your contract and how you'll keep track of the talking points you discuss today. We suggest creating a shared Google Drive folder and doc for easy access and editing.

    +

    Next, you'll work through each of the following sections with your team and as a class. Think about your prior experience working in other teams (work, school, sports, etc) and try to anticipate what might come up over the course of the semester.

    +

    After each section, we'll discuss as a class and see what you came up with!

    +

    Activity 2a: Expectations

    +

    Here are some of the important questions to consider regarding setting expectations:

    +
      +
    • How much time is each team member expected to be putting into working on projects?
      • +
    • How will you deal with unforeseen circumstances affecting team members (sickness, interviews, competitions)?
      • +
    +

    Activity 2b: Communication and Scheduling

    +

    Here are some important questions to consider regarding team communication:

    +
      +
    • When will your team meet? Setting aside a day and time to have recurring meetings is an important marker of team success.
      • +
    • What platform (s) will your team be using to communicate? How quickly should team members respond?
      • +
    • Will you meet in person or through Zoom? What will / will you not accommodate?
      • +
    • If a deadline is approaching and there is still work to be done, how will you meet / communicate?
      • +
    +

    Activity 2c: Responsibilities and Conflict Resolution

    +

    Here are some important questions to consider regarding distributing responsibilities and what your team might do in the case of any conflict:

    +
      +
    • How will you divide responsibilities and tasks between team members?
      • +
    • Who will be in charge of organizing, running, and taking notes during meetings ? How will you rotate this responsibility?
      • +
    • How will you address any teamwork issues that may come up?
      • +
    • What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors?
      • +
    +

    Remember to do Recitation Quiz 2 on Gradescope! Please only open it after you have completed all the steps above.

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    Recitation 3: Software Archaeology

    +

    Overview

    +

    In today’s recitation, we will practice getting to know an unknown codebase specifically in the context of a bug in a python-clone of Instagram, Albumy.

    +

    Let's fix some bugs!

    +

    Check out this issue of the bug. Currently, comments can’t be deleted. Even if we click on the delete button, it does not work.

    +

    Task 0: Clone the repo

    +
      +
    • Fork this repository and clone it. Follow the README to install the necessary modules and run Albumy.
      • +
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    Task 1: Reproduce the bug

    +
      +
    • After you've successfully ran the program, go through it to reproduce the bug.
      • +
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    Task 2: Diving into the code and fixing the bug

    +

    Let’s learn more about this bug! Your high-level goal is to identify the code producing the bug and remember more about the bug en route to fix it. We’d like you to dive into the codebase and “excavate” the buggy code.

    +

    Try some or all of the following tasks:

    +
      +
    • Explore the albumy directory
      • +
    • Can you find functions that look like the same buggy code you’ve found?
      • +
    • Use your IDE to jump to a definition implicated in the code you’re debugging
      • +
    • Try making a change! It will reflect in the UI. Can you fix the bug?
      • +
    +

    Task 3: Making a Pull Request

    +

    If you’ve finished all that,

    +
      +
    • Add and commit your changes
      • +
    • Push the code to your forked repository.
      • +
    • Create a pull request that links the issue.
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    Recitation 4: Team Dysfunction

    +

    Overview

    +

    This recitation will give you the opportunity to practice and reflect on the roles you play within a team. We'll be going over common team dysfunction issues and discuss mitigation strategies.

    +

    Context

    +

    All teams are inherently dysfunctional in some sense. This is inevitable as they are made up of fallible, imperfect human beings, each with different goals and intentions. Thankfully, the causes of dysfunction are both identifiable and curable, but definitely not easy to resolve. Making a team functional and cohesive requires courage, good communication, and a strong resolve to making the team better.

    +

    Part 0: Preparation

    +

    We have pre-assigned each team to a set of roles. Have each member of the team choose a role from the options we give you.

    +

    Keep your role secret from the other groups! We will have the audience guess your roles when your team presents to the class.

    +

    Part 1: Task Planning Meeting Rehearsal (5 min)

    +

    Congratulations! Your team has been hired as software developers to work on CMU's graduate school application system. +We have assigned each team to a specifc task. Each group's tasks are below. You only have to roleplay your assigned task.

    +

    As a team, research and find tools that can be used to improve your assigned system. Compare the strengths and weaknesses of the tools. At the end of this activity, your group should have agreed on a tool to use.

    +

    Be sure to also assign each member a task in order to integrate the tool into your assigned system.

    +

    Team 1

    +

    For your first assignment, you've been asked to develop a better system for handling online payments made by graduate students for their applications.

    +

    Team 2

    +

    For your first assignment, you've been asked to develop a better system for sending acceptances to accepted students.

    +

    Team 3

    +

    For your first assignment, you've been asked to develop a better system for students to log in to their application portal.

    +

    Team 4

    +

    For your first assignment, you've been asked to develop a better system for students to upload documents to their application.

    +

    Activity Notes: Each member should act as their role during the meeting. Try to fix the dysfunction presented in this meeting and reflect on how you would fix similar issues if they come up in Project 2.

    +

    Part 2: Presentations! (15 min)

    +

    Each group will present their meeting to the class (~2 minutes per presentation). The audience will then guess the roles of each of the members of the presenting group. Best group will win a prize!

    +

    Part 3: Class Discussion (15 min)

    +

    As a class, discuss the following questions:

    +
      +
    1. Were you able to identify the roles played by the other groups? What problems were caused by their behavior?
      2. +
    2. How would you handle these dysfunctional characteristics in future situations?
      3. +
    3. Can you think of mitigation strategies and solutions to avoid these problems?
      4. +
    +

    Appendix A: Role Descriptions

    +

    Below a description of the roles for each number 1-7 and the behavior of each one:

    +
      +
    1. +

      The Contributor: You are aiming for general team success. Ask for your team members' opinions often, actively discuss solutions with your team, and demonstrate engagement throughout the activity.

      +
      2. +
    2. +

      The Know-It-All: You think you are extremely experienced and know how to solve all problems on your own. Act like you don't need any help and just tell your team to watch while you search for the tool. Be pushy in telling other members how to search for information about the tool and shoot other members' ideas down.

      +
      3. +
    3. +

      The Silent One: You assume your team members know everything and don’t feel you need to say much. Pay attention to the meeting, but simply do not suggest anything. Remain passive but friendly.

      +
      4. +
    4. +

      The Agreer: You are afraid of raising conflicts and hence decided to just go along with whatever your team decides. Agree with everything during the activity and do not question the decisions of your team.

      +
      5. +
    5. +

      The Hitchhiker: Your goal is to do as little work as possible. Be friendly but not productive. Try to end the meeting as quickly as possible so you can slack off. Get other people to step in for you and take over your tasks. Make fake attempts to make it look like you tried to figure out the task, then pass off the work to someone else.

      +
      6. +
    6. +

      The Flaker: You're interested in the project, but don't want to contribute more time than necessary. Actively contribute to group discussions until tasks are being assigned, then begin giving reasons why you can't contribute more (i.e. busy with interview prep, midterm, or other assignments). If asked to do something else, continue finding other excuses on why you can’t contribute.

      +
      7. +
    7. +

      The Perfectionist: You want this project to be absolutely perfect in even the most minor details. To you, it's most important that the tool’s source code is fully readable, perfectly documented, has a large test suite, and is aesthetically pleasing, and you will argue for or against the tool based on these minor details.

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    Recitation 5: Midterm Review

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    Overview

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    As we have our midterm scheduled for Tuesday, October 3rd, this recitation slot will be used for a midterm review. Complete the exams from past years listed below and come to recitation with any questions!

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    Note: As we have not yet covered software engineering for ML this semester, please ignore those questions. The SE4ML material will not appear on the exam.

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    Exams

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    Recitation 6: Deployment

    +

    Overview

    +

    Throughout this recitation, students will:

    +
      +
    • +

      Understand the fundamental steps involved in deployment

      +
      • +
    • +

      Learn about CI/CD and the basics of how to set it up in a Github repo

      +
      • +
    • +

      Get hands on experience deploying with Fly.io (or Vercel as a backup)

      +
      • +
    • +

      Set up the Extreme Startup web app for use in Tuesday's (3/14) lecture

      +
      • +
    +

    Definitions

    +

    Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment.

    +

    Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality.

    +

    Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production.

    +

    Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime.

    +

    There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!

    +

    Task 0: Prep

    +

    For this recitation, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Tuesday during the ~Extreme Startup~ game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game.

    +

    The steps to do this are as follows:

    +
    +

    Warning

    +

    Do not use codespaces for this task, and the rest of the recitation. Everything must be done locally.

    +
    +
      +
    1. +

      Fork this repo: https://github.com/CMU-313/basic-web-app.

      +
      2. +
    2. +

      Follow the instructions in the readme to run the development server locally.

      +
      3. +
    3. +

      Install the Fly.io CLI and set up the Fly.io account that you'll use to host your app. Complete steps 1-3 of the instructions here.

      +
      4. +
    4. +

      In your local basic-web-app repo, run fly launch followed by fly open

      +
      5. +
    +

    Now check your fly.io dashboard to monitor your app deployment.

    +

    This has already been a lot of instructions, so good job for getting this far!!!

    +

    Note: Fly.io offers a free tier and you should not be required to enter any credit card info for the purposes of this recitation. If you get a message saying that a credit card is required, you can complete the recitation using Vercel instead. See the backup instructions below.

    +

    Task 1: Continuous Deployment

    +

    Next, we'll setup CD. Our goal is to set up a GitHub action that links to our Fly.io account and automatically redeploys a new version of our app whenever a new change is pushed into the main branch.

    +

    The steps to do this are as follows:

    +
      +
    1. +

      Get a Fly API token with flyctl auth token.

      +
      2. +
    2. +

      Go to your fork on GitHub and click Settings.

      +
      3. +
    3. +

      Go to Secrets and Variables > Actions and create a repository secret called FLY_API_TOKEN with the value of the token from the previous step. This is how GitHub will link to your Fly.io account.

      +
      4. +
    4. +

      Double check that fly.toml (the config file fly.io uses for deployment) is not listed in your .gitignore.

      +
      5. +
    5. +

      Create a new file .github/workflows/fly.yml.This is the file that will outline instructions for the GitHub action.

      +
      6. +
    6. +

      Fill the file with the contents listed under step 8 here.

      +
      7. +
    7. +

      Commit and push your changes!

      +
      8. +
    +

    Now let's take a step back and understand what we've done. First, we generated an authorization token and used it to connect Fly.io to our GitHub repo. Then, we created a fly.yml file setting up a GitHub action that automatically runs the deployment commands whenever a push is made to the main branch. See if you can figure out which lines do what in the code above!

    +

    Now, look through the codebase and try to change the header on your app's frontend while testing with the local development server. Once you have made your changes, commit and push them. Back on GitHub, you should see the Action trigger and your app will redeploy!

    +

    With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed. Cool!

    +

    Bonus Task: Continuous Integration

    +

    While the steps above are all that is required for the ~Extreme Startup~ game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo.

    +

    The process will be similar to above.

    +
      +
    1. +

      Create a new .github/workflows/test.yml

      +
      2. +
    2. +

      Copy the following into the files and fill in the blanks appropriately!

      +
      3. +
    +
    name: __BLANK 1__
+
+on:
+
+push:
+
+branches:
+
+- main
+
+jobs:
+
+__BLANK 2__:
+
+runs-on: ubuntu-latest
+
+name: __BLANK 3__
+
+steps:
+
+- uses: actions/checkout@v3
+
+- uses: bahmutov/npm-install@v1
+
+- run: npm run __BLANK 4__ (Run ESLint)
+
+- run: __BLANK 5__ (Run Jest)
+
    +

    Hint: Look at the readme of the basic-web-app repo!

    +

    Note: In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here!

    +

    Once this is complete, you will be ready for the game tomorrow. Good job and good luck!

    +

    Remember to do Recitation 6 Quiz on Gradescope!

    +

    Vercel Backup Instructions

    +

    Task 0

    +

    See the instructions here to setup a Vercel deployment.

    +

    Task 1

    +

    To learn how to setup a deployment GitHub action for Vercel, see here.

    +

    Task 2

    +

    Same as above!

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    + + + + + + + + + \ No newline at end of file diff --git a/recitations/reci7-docker/index.html b/recitations/reci7-docker/index.html new file mode 100644 index 000000000..d0e3bb629 --- /dev/null +++ b/recitations/reci7-docker/index.html @@ -0,0 +1,803 @@ + + + + + + + + + + + + + + + + Recitation 7: Microservices and Docker - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Recitation 7: Microservices and Docker

    +

    Prerequisites

    +

    You should have downloaded Docker. If you haven't follow the installation instructions here

    +

    Setup Instructions (10 min):

    +

    Fork this repo and clone it.

    +

    Overview

    +

    During this recitation, students will create a simple FastAPI app, containerize it and deploy it.

    +

    Context

    +

    Whos-my-ta is a microservice that provides information about recitation sections. By using the section_id endpoint, you can enter the section id (for example: a) to get the names of the TAs that are in charge of that section.

    +

    Try it out using this link: https://whos-my-ta.fly.dev/section_id/a

    +

    Sadly, you still are unsure when your recitation time is.

    +

    All you have to do is build a new service that builds on top of this microservice by including the time of the recitation as well. You will do this by implementing the section_info endpoint.

    +

    The endpoint has to return a JSON object in the following form:

    +
    {
+  "section": "section_name",
+  "start_time": "HH:MM",
+  "end_time": "HH:MM",
+  "ta": ["taName1", "taName2"]
+}
+
    +

    Activity

    +
      +
    1. Implement the section_info endpoint according to the specifications. You can edit app/main.py to do so.
      2. +
    2. Test it by running the app locally. + To install necessary files:
      3. +
    +
    pip install -r requirements.txt
+
    +
      +
    1. To run the app locally use the following command. Change the port number if you need to:
      2. +
    +
    uvicorn app.main:app --host 0.0.0.0 --port 8080
+
    +
      +
    1. Implement ./Dockerfile. You can use the slides and this link as resources.
      2. +
    2. Create the docker image using the command below, and check that the image has been created.
      3. +
    +
    docker build -t YOUR_IMAGE_NAME  .
+
    +
      +
    1. Implement ./docker-compose.yml. You can use the slides for reference.
      2. +
    2. Create a container using the docker image using the command below.
      3. +
    +
    docker-compose up -d
+
    +
      +
    1. Check that your container is running correctly by locally invoking the endpoint. + You can try http://localhost:8080/section_id/a. + Change the port number (8080) according to your docker-compose.yml.
      2. +
    +

    Bonus

    +

    Try deploying your container using instructions from here.

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    + + + + + + + + + \ No newline at end of file diff --git a/recitations/reci8-team-feedback/index.html b/recitations/reci8-team-feedback/index.html new file mode 100644 index 000000000..5923a34d2 --- /dev/null +++ b/recitations/reci8-team-feedback/index.html @@ -0,0 +1,708 @@ + + + + + + + + + + + + + + + + Recitation 8 - Team Feedback - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Recitation 8: Team Feedback

    +

    Review the feedback provided by your teammates, and work with your team to identify and address issues on your team.

    +

    Do so by following the instructions on the handout provided during recitation. You can also access the handout here.

    +
    +Turn in your action plan +

    Make sure to submit your completed action plan on gradescope to receive participation credit for this recitation.

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    Recitation 9: Action Plan

    +

    Overview

    +

    This recitation will give you the opportunity to get feedback from your teammates, as well as work together to create an action plan for your future.

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    + + + + + + + + + \ No newline at end of file diff --git a/recitations/reci9-ml/index.html b/recitations/reci9-ml/index.html new file mode 100644 index 000000000..7852f3935 --- /dev/null +++ b/recitations/reci9-ml/index.html @@ -0,0 +1,793 @@ + + + + + + + + + + + + + + + + Recitation 9 - Machine Learning - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Recitation 9: Machine Learning

    +

    Setup Instructions:

    +
      +
    1. Go to this repo and clone it
      2. +
    2. Make sure you can run the jupyter notebooks
        +
      1. Google Colab is one option to do this (NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook)
          +
        1. Make sure to connect to google drive and upload the titanic data set folder, double check the file paths in the notebook to make sure they match
          2. +
        +
        2. +
      2. You can also run it locally if you have jupyter setup
        3. +
      +
      3. +
    +

    Overview

    +

    During this recitation, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!

    +

    Context

    +

    You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency.

    +

    Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right?

    +

    We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You’ll be working with the starter code in model_testing.ipynb.

    +

    Activity 1: Examine the Titanic Dataset (10 mins)

    +
      +
    1. The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook.
      2. +
    2. Then choose one feature and plot its distribution.
      3. +
    3. Is the distribution what you expected it to be? Was there anything surprising about it?
      4. +
    +

    Activity 2: Import and Analyze Models (5 min)

    +

    We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.

    +

    Activity 3: Fairness Metrics Evaluation (15 mins)

    +

    An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. +1. Fill in the notebook to compute the demographic parity metric +2. Fill in the notebook to compute the equal opportunity metric +3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.

    +

    Activity 4: Recommendation (10 mins)

    +

    Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company?

    +

    Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.

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    + + + + + + + + + \ No newline at end of file diff --git a/search/search_index.json b/search/search_index.json new file mode 100644 index 000000000..87c4348cf --- /dev/null +++ b/search/search_index.json @@ -0,0 +1 @@ +{"config":{"indexing":"full","lang":["en"],"min_search_length":3,"prebuild_index":false,"separator":"[\\s\\-]+"},"docs":[{"location":"","text":"17-313 Foundations of Software Engineering \u00b6 This Week \u00b6 Lectures & Readings Intro calendar_month Sun Aug 25 Software Archeology and Anthropology calendar_month Tue Aug 27 link Software Archaeology Recitation None! Office Hours Held on the ARC. See class calendar below for exact times! Projects None! 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Students will get experience with team management and modern software-engineering tools. The course puts students on a fast track toward project management positions. Assignments (mostly done in groups) include: An introduction assignment where individual students will learn to engage with an existing code base. A requirements assignment in which each team will interview stakeholders to elicit and document requirements for a software system. An architecture assignment in which teams will train and deploy an ML model using microservices. A project in which each team contributes to an open source project of their choice. This involves identifying an issue in the existing project, understanding the development process of that project and how to contribute, and actually making a contribution such as fixing a bug or adding a feature. Extra credit will be awarded if the contribution is merged into the project. Previous Course Iterations \u00b6 Qatar \u00b6 Fall 2022 | Fall 2023 Pittsburgh \u00b6 Fall 2020 | Fall 2021 | Fall 2022 | Spring 2023","title":"Course Overview"},{"location":"overview/#questions","text":"When is a program good enough to ship? Have you built what the customer wanted? Why (and how) does Netflix deliberately and randomly take down its own servers? What can we learn from the Boeing 737 disaster? How did Twitter eradicate the Fail Whale? And what does it have to do with Ruby? How do you get a patch accepted into an open-source project? You can write code. Can you build software?","title":"Questions"},{"location":"overview/#overview","text":"Successful software projects require more than just technical expertise. Figuring out what the client wants, collaborating in a team, managing complexity, mitigating risks, staying on time and budget, and determining under various constraints when a product is good enough to be shipped are at least equally important topics that often have a significant human component. 17-313 explores these issues while broadly covering the fundamentals of modern software engineering. Assuming reasonably solid programming skills (including unit testing and code-level design), we will explore the following topics: Process consideration for software development (How do avoid problems early? When and how much to design? When and how much to test? When and how to involve the customers? Agile methods...) Requirements elicitation, documentation, and evaluation (How to figure out what the customer really wants? Who else has an interest? How can we measure success objectively? How can we reliably document expectations? ...) Design for quality attributes (How can we design a system to be able to scale to millions of users? How can we design security into a system? ...) Strategies for quality assurance, including measurement, inspection, and static and dynamic analysis (What quality assurance strategy is best for a given system? What can we automate and when should we keep humans in the loop? How much testing and what kind of testing should we do? What qualities are important to assure beyond functional correctness? Can we evaluate usability, scalability, reliability, performance? How can we statically guarantee the absence of certain security issues? ...) Empirical methods in software engineering (How can we measure quality attributes such as performance, security, and reliability? How can we measure how users interact with the system? How can we know whether the difference matters? ...) Time and team management (How to estimate the duration and costs of a project? How to monitor progress and risks to recognize issues early? How to coordinate developers in a team? How to form and develop teams? How to select and motivate team members? How to deal with team dynamics such as social loafing? ...) Economics of software development (Business models, outsourcing, open source, ...) This course has a strong technical focus, and includes assignments with and without programming. Many assignments will also have written components. Students will get experience with team management and modern software-engineering tools. The course puts students on a fast track toward project management positions. Assignments (mostly done in groups) include: An introduction assignment where individual students will learn to engage with an existing code base. A requirements assignment in which each team will interview stakeholders to elicit and document requirements for a software system. An architecture assignment in which teams will train and deploy an ML model using microservices. A project in which each team contributes to an open source project of their choice. This involves identifying an issue in the existing project, understanding the development process of that project and how to contribute, and actually making a contribution such as fixing a bug or adding a feature. Extra credit will be awarded if the contribution is merged into the project.","title":"Overview"},{"location":"overview/#previous-course-iterations","text":"","title":"Previous Course Iterations"},{"location":"overview/#qatar","text":"Fall 2022 | Fall 2023","title":"Qatar"},{"location":"overview/#pittsburgh","text":"Fall 2020 | Fall 2021 | Fall 2022 | Spring 2023","title":"Pittsburgh"},{"location":"syllabus/","text":"Course Syllabus and Policies \u00b6 The course is currently planned to be entirely in person for lectures and recitations. Most office hours will be in person, but some may be held over Zoom as well. The course uses Gradescope for homework submission, grading; slides and handouts are posted here on the course website; GitHub is used to coordinate group work. We also use Slack for communication and group work: check your email during the first week of classes for the Slack sign up link. Prerequisites \u00b6 This class has a pre-requisite of 15-122 or 15-121. If you have not taken those classes, but you think you have similar experiences, please reach out to the instructors. Communication \u00b6 The primary form of communication within this course is through Slack. We will make announcements through a dedicated channel in Slack, and also provide channels for homework clarifications and team-based communication. As such, we highly recommend that students install Slack on their phones / desktop with notifications enabled. The instructor, TA, and CAs will also hold weekly office hours to provide support with course materials and projects. You can find the office hours schedule updated weekly here on the course website. You can contact the course staff via both Slack and email. Your team will also have assigned CAs as your primary point of contact for additional support with assignment or recitation-related questions. When contacting instructors or your designated CAs, please email/message the instructor, TA, and designated CA at the same time. Teamwork \u00b6 Teamwork is an essential part of this course. Most projects are done in teams of 3-5 students. Teams will be assigned by the instructors and stay together for multiple projects. Most projects have a component that is graded for the entire group and a component that is graded individually. Being able to address team issues in software projects is one of the core learning objectives of this class. Guidance on teamwork, reflection, and conflict resolution will be provided throughout the semester and are an essential component of the class. We expect significant efforts in attempting to address the team issues before asking instructors and teaching/course assistants to step in. However, we will always be available to provide advice on how to navigate these issues. Textbook \u00b6 Various readings throughout the semester are available online or through the library; we do not have a single textbook but rather assemble readings from different sources. As optional supplementary reading consider the (freely available) Software Engineering at Google, Lessons Learned from Programming Over Time . Devices in Lecture and Recitation \u00b6 Research shows that using devices on non-class related activities harms both the device user's learning, and other students' learning as well. Therefore, in general, we do not allow the use of devices during lecture. If you genuinely use your laptop for class-related activities (note-taking, etc), tell us, and we will make an exception. However, we ask that if you do so, you are careful to keep your devices in note-taking mode (and don\u2019t stray to Facebook, homework, etc). In addition, you will be required to sit in the back row of the lecture to minimize the impact your screen has on others. Note that recitation activities will often involve devices, so please do bring your laptop! Assessment \u00b6 Evaluation will be based on the following distribution: 60% projects, 20% midterm, 20% participation (including lecture exercises, pre-lecture reading quizzes, and recitation exercises). Project Points Breakdown (tentative) Project # Days Given Points % of HW grade % of total grade 1 11 100 10% 6% 2 35 275 27.5% 16.5% 3 11 100 10% 6% 4 14 125 12.5% 7.5% 5 27 400 40% 24% TOTAL 1000 100% 60% Regrades \u00b6 Regrade requests can be submitted via Gradescope. The regrade period is open for one week after grades have been released for a particular assignment. Late Work Policy \u00b6 Participation \u00b6 Participation points in this class are earned through a series of pre-lecture reading assignments, lecture activities, and recitations. To accommodate for life's uncertainties (e.g. health issues, scheduling conflicts), you will automatically get full points for up to four missed participation activities to account for any absences. You do not need to email instructors individually for one-off absences of this sort. There will be no make-ups for participation points, but you are strongly encouraged to come to office hours to learn or review the materials that you may have missed. If you find yourself in a situation that calls for an extended absence, please have your academic advisor reach out to the instructors, and they will work to find a solution on a case by case basis. Projects \u00b6 Late work will receive feedback but no credit. Due to heavy emphasis on planning & teamwork in this course there are no late days; we expect that you anticipate unexpected events in your planning , and coordinate with your teammates when they arise. Exceptions to this policy will be made only in extraordinary circumstances, almost always involving a family or medical emergency, with your academic advisor or the Dean of Student Affairs requesting the exception on your behalf. Time Management \u00b6 This is a 12-unit course, and it is our intention to manage it so that you spend close to 12 hours a week on the course, on average. In general, 4 hours/week will be spent in lectures & recitation and 8 hours on readings and projects. Notice that most projects are done in groups, so please account for the overhead and decreased time flexibility that comes with group work. Throughout the semester, please feel free to give the course staff feedback on how much time the course is taking for you. Writing \u00b6 Describing tradeoffs among decisions and communication with less technical stakeholders are key aspects of this class. Most projects have a component that requires discussing issues in written form or reflecting about experiences. To practice writing skills, the Academic Resource Center (ARC) offers individually-tailored English language support for students, along with workshops. The instructors are also happy to provide additional guidance if requested. Policy on use of Generative AI for Writing \u00b6 You may use generative AI technologies such as ChatGPT or CoPilot for assisting in code development or writing responses to homework questions, unless the question specifically prohibits it . However, any use of AI comes with two caveats: (1) you must clearly indicate the use of such technology (and name the tool) in every homework question or source code file where an AI tool was used as a form of attribution, just as you would if you had taken help from a friend; (2) you are liable for factually inaccurate answers or unspecific rambling produced by AI tools; it is your responsibility to edit AI-produced content before submitting it for class purposes. Professionalism \u00b6 Your classmates are your colleagues. This is particularly true in this course, where we aim to provide you with principles, practices, tools, and paradigms that will enable you to be an effective, real-world Software Engineer. We ask that you treat one another like the professionals you are and that you are preparing to be. To that end, we will not tolerate harassment in this class. We define harassment as unwelcome or hostile behavior of an ad hominem nature, i.e., that focuses not on ideas but on people and identity. This includes offensive verbal or written comments in reference to gender, sexual orientation, disability, physical appearance, race, or religion; sexual images in public spaces; deliberate intimidation, stalking, following, harassing photography or recording, sustained disruption of class meetings, inappropriate physical contact, and unwelcome sexual attention. Harassment is against the law and we have no tolerance for it, and neither does the university. Even when behavior does not rise to the level of harassment (even if you think you're \"just joking!\"), it can still make people very uncomfortable, and harm their educational and professional career by forcing them to devote mental energy to something other than the material they are trying to learn or the professional successes they are trying to achieve. However, we expect that we do not need to threaten you to earn your respect on this matter: we simply ask that you treat one another like professionals, in the most positive sense. This has two implications: If you feel someone is violating these principles (for example, with a joke that could be interpreted as sexist, racist, or exclusionary), and you feel you have the standing to do so, speak up! Do not be a bystander to unprofessional behavior. If you do not feel comfortable doing so, and/or if the behavior persists, send a private email to the course instructors or set up a meeting with us to discuss the matter. We will preserve your anonymity. We, the course staff, are committed to affording you the same respect we ask you to afford one another. If you feel that we are not doing so, we hope you will feel comfortable either telling us so directly, or approaching another one of the course staff with your concerns. (Thank you to Shriram Krishnamurthi and Evan Peck for sharing their own policies, from which we drew inspiration for this one.) Academic Honesty and Collaboration \u00b6 The usual policies apply, especially the University Policy on Academic Integrity . Many of the projects will be done in groups. We expect that group members collaborate with one another, but that groups work independently from one another, not exchanging results with other groups. Within groups, we expect that you are honest about your contribution to the group's work. This implies not taking credit for others' work and not covering for team members that have not contributed to the team. Otherwise, our expectations regarding academic honesty and collaboration for group work are the same as for individual work, substituting elevated to the level of \"group.\" The course includes both individual projects and individual components of group projects . Although your solutions for individual parts will be based on the content produced for the group component (e.g. written reflections on lessons learned), we treat individual components of group projects as equivalent to individual projects overall, and expect you to complete such components independently of your groupmates. The rest of this academic honesty and collaboration content is taken from the policy used in 17-214: \"You may not copy any part of a solution to a problem that was written by another student, or was developed together with another student, or was copied from another unauthorized source such as the Internet. You may not look at another student's solution, even if you have completed your own, nor may you knowingly give your solution to another student or leave your solution where another student can see it. Here are some examples of behavior that are inappropriate: Copying or retyping, or referring to, files or parts of files (such as source code, written text, or unit tests) from another person or source (whether in final or draft form, regardless of the permissions set on the associated files) while producing your own. This is true even if your version includes minor modifications such as style or variable name changes or minor logic modifications. Getting help that you do not fully understand, and from someone whom you do not acknowledge on your solution. Writing, using, or submitting a program that attempts to alter or erase grading information or otherwise compromise security of course resources. Lying to course staff. Giving copies of work to others, or allowing someone else to copy or refer to your code or written assignment to produce their own, either in draft or final form. This includes making your work publicly available in a way that other students (current or future) can access your solutions, even if others' access is accidental or incidental to your goals. Beware the privacy settings on your open source accounts! Coaching others step-by-step without them understanding your help. If any of your work contains any statement that was not written by you, you must put it in quotes and cite the source. If you are paraphrasing an idea you read elsewhere, you must acknowledge the source. Using existing material without proper citation is plagiarism, a form of cheating. If there is any question about whether the material is permitted, you must get permission in advance. We will be using automated systems to detect software plagiarism. It is not considered cheating to clarify vague points in the assignments, lectures, lecture notes; to give help or receive help in using the computer systems, compilers, debuggers, profilers, or other facilities; or to discuss ideas at a very high level, without referring to or producing code. Any violation of this policy is cheating. The minimum penalty for cheating (including plagiarism) will be a zero grade for the whole assignment. Cheating incidents will also be reported through University channels, with possible additional disciplinary action (see the above-linked University Policy on Academic Integrity). If you have any question about how this policy applies in a particular situation, ask the instructors or TAs for clarification.\" Note that the instructors respect honesty in these (and indeed most!) situations. Accommodations \u00b6 Carnegie Mellon University is committed to providing reasonable accommodations for all persons with disabilities. To access accommodation services you are expected to initiate the request and submit a Voluntary Disclosure of Disability Form to the office of Health & Wellness or CaPS-Q. In order to receive services/accommodations, verification of a disability is required as recommended in writing by a doctor, licensed psychologist or psycho-educational specialist. The office of Health & Wellness, CaPS-Q and Office of Disability Resources in Pittsburgh will review the information you provide. All information will be considered confidential and only released to appropriate persons on a need to know basis. Once the accommodations have been approved, you will be issued a Summary of Accommodations Memorandum documenting the disability and describing the accommodation. You are responsible for providing the Memorandum to your professors at the beginning of each semester. For more information on policies and procedures, please visit Assistance for Individuals with Disabilities on Scotty . Policy on Healthcare-Related Absence \u00b6 We don't record our lectures, because they are highly interactive and tricky to record, but we do post slides at the end of the day. Please go over them and come to any of the instructors' office hours to discuss the material. A Note on Self Care \u00b6 We all feel stress at different times and for different reasons, and when we do, it is good to reach out for support. Do your best to maintain a healthy lifestyle by eating well, exercising, getting enough sleep and taking some time to relax. Please know that you are not alone. There are many helpful resources available on campus and an important part of the college experience is learning how to ask for help. Asking for support sooner, rather than later, can often help your situation from getting more complicated. If you or any of your CMUQ peers are experiencing academic stress, difficult life events, or feelings like anxiety or depression, we strongly encourage you to seek support. Our Student Affairs staff are here to help: Dr. Dalia Rehal, Associate Dean for Student Affairs (CMB 1094), mailto:drehal@qatar.cmu.edu , 4454-8545 Amie Rollins, Office of Health and Wellness (CMB 1103), amier@andrew.cmu.edu , 4454-8680 Dr. Atorina Benjamin, Counseling and Psychological Services (CMB 1104), atorinab@qatar.cmu.edu , 4454-8525 You can also visit the Ilona Wyers Student Lounge and connect with anyone on the Student Affairs Team. Consider also reaching out to a friend, faculty, staff, or family member you trust for help. If you would like to speak to a trained professional for mental health support, day or night, call our ProtoCall hotline at 5554 7913, which is staffed by trained mental health care providers. If the situation is life threatening, call 999.","title":"Syllabus"},{"location":"syllabus/#course-syllabus-and-policies","text":"The course is currently planned to be entirely in person for lectures and recitations. Most office hours will be in person, but some may be held over Zoom as well. The course uses Gradescope for homework submission, grading; slides and handouts are posted here on the course website; GitHub is used to coordinate group work. We also use Slack for communication and group work: check your email during the first week of classes for the Slack sign up link.","title":"Course Syllabus and Policies"},{"location":"syllabus/#prerequisites","text":"This class has a pre-requisite of 15-122 or 15-121. If you have not taken those classes, but you think you have similar experiences, please reach out to the instructors.","title":"Prerequisites"},{"location":"syllabus/#communication","text":"The primary form of communication within this course is through Slack. We will make announcements through a dedicated channel in Slack, and also provide channels for homework clarifications and team-based communication. As such, we highly recommend that students install Slack on their phones / desktop with notifications enabled. The instructor, TA, and CAs will also hold weekly office hours to provide support with course materials and projects. You can find the office hours schedule updated weekly here on the course website. You can contact the course staff via both Slack and email. Your team will also have assigned CAs as your primary point of contact for additional support with assignment or recitation-related questions. When contacting instructors or your designated CAs, please email/message the instructor, TA, and designated CA at the same time.","title":"Communication"},{"location":"syllabus/#teamwork","text":"Teamwork is an essential part of this course. Most projects are done in teams of 3-5 students. Teams will be assigned by the instructors and stay together for multiple projects. Most projects have a component that is graded for the entire group and a component that is graded individually. Being able to address team issues in software projects is one of the core learning objectives of this class. Guidance on teamwork, reflection, and conflict resolution will be provided throughout the semester and are an essential component of the class. We expect significant efforts in attempting to address the team issues before asking instructors and teaching/course assistants to step in. However, we will always be available to provide advice on how to navigate these issues.","title":"Teamwork"},{"location":"syllabus/#textbook","text":"Various readings throughout the semester are available online or through the library; we do not have a single textbook but rather assemble readings from different sources. As optional supplementary reading consider the (freely available) Software Engineering at Google, Lessons Learned from Programming Over Time .","title":"Textbook"},{"location":"syllabus/#devices-in-lecture-and-recitation","text":"Research shows that using devices on non-class related activities harms both the device user's learning, and other students' learning as well. Therefore, in general, we do not allow the use of devices during lecture. If you genuinely use your laptop for class-related activities (note-taking, etc), tell us, and we will make an exception. However, we ask that if you do so, you are careful to keep your devices in note-taking mode (and don\u2019t stray to Facebook, homework, etc). In addition, you will be required to sit in the back row of the lecture to minimize the impact your screen has on others. Note that recitation activities will often involve devices, so please do bring your laptop!","title":"Devices in Lecture and Recitation"},{"location":"syllabus/#assessment","text":"Evaluation will be based on the following distribution: 60% projects, 20% midterm, 20% participation (including lecture exercises, pre-lecture reading quizzes, and recitation exercises). Project Points Breakdown (tentative) Project # Days Given Points % of HW grade % of total grade 1 11 100 10% 6% 2 35 275 27.5% 16.5% 3 11 100 10% 6% 4 14 125 12.5% 7.5% 5 27 400 40% 24% TOTAL 1000 100% 60%","title":"Assessment"},{"location":"syllabus/#regrades","text":"Regrade requests can be submitted via Gradescope. The regrade period is open for one week after grades have been released for a particular assignment.","title":"Regrades"},{"location":"syllabus/#late-work-policy","text":"","title":"Late Work Policy"},{"location":"syllabus/#participation","text":"Participation points in this class are earned through a series of pre-lecture reading assignments, lecture activities, and recitations. To accommodate for life's uncertainties (e.g. health issues, scheduling conflicts), you will automatically get full points for up to four missed participation activities to account for any absences. You do not need to email instructors individually for one-off absences of this sort. There will be no make-ups for participation points, but you are strongly encouraged to come to office hours to learn or review the materials that you may have missed. If you find yourself in a situation that calls for an extended absence, please have your academic advisor reach out to the instructors, and they will work to find a solution on a case by case basis.","title":"Participation"},{"location":"syllabus/#projects","text":"Late work will receive feedback but no credit. Due to heavy emphasis on planning & teamwork in this course there are no late days; we expect that you anticipate unexpected events in your planning , and coordinate with your teammates when they arise. Exceptions to this policy will be made only in extraordinary circumstances, almost always involving a family or medical emergency, with your academic advisor or the Dean of Student Affairs requesting the exception on your behalf.","title":"Projects"},{"location":"syllabus/#time-management","text":"This is a 12-unit course, and it is our intention to manage it so that you spend close to 12 hours a week on the course, on average. In general, 4 hours/week will be spent in lectures & recitation and 8 hours on readings and projects. Notice that most projects are done in groups, so please account for the overhead and decreased time flexibility that comes with group work. Throughout the semester, please feel free to give the course staff feedback on how much time the course is taking for you.","title":"Time Management"},{"location":"syllabus/#writing","text":"Describing tradeoffs among decisions and communication with less technical stakeholders are key aspects of this class. Most projects have a component that requires discussing issues in written form or reflecting about experiences. To practice writing skills, the Academic Resource Center (ARC) offers individually-tailored English language support for students, along with workshops. The instructors are also happy to provide additional guidance if requested.","title":"Writing"},{"location":"syllabus/#policy-on-use-of-generative-ai-for-writing","text":"You may use generative AI technologies such as ChatGPT or CoPilot for assisting in code development or writing responses to homework questions, unless the question specifically prohibits it . However, any use of AI comes with two caveats: (1) you must clearly indicate the use of such technology (and name the tool) in every homework question or source code file where an AI tool was used as a form of attribution, just as you would if you had taken help from a friend; (2) you are liable for factually inaccurate answers or unspecific rambling produced by AI tools; it is your responsibility to edit AI-produced content before submitting it for class purposes.","title":"Policy on use of Generative AI for Writing"},{"location":"syllabus/#professionalism","text":"Your classmates are your colleagues. This is particularly true in this course, where we aim to provide you with principles, practices, tools, and paradigms that will enable you to be an effective, real-world Software Engineer. We ask that you treat one another like the professionals you are and that you are preparing to be. To that end, we will not tolerate harassment in this class. We define harassment as unwelcome or hostile behavior of an ad hominem nature, i.e., that focuses not on ideas but on people and identity. This includes offensive verbal or written comments in reference to gender, sexual orientation, disability, physical appearance, race, or religion; sexual images in public spaces; deliberate intimidation, stalking, following, harassing photography or recording, sustained disruption of class meetings, inappropriate physical contact, and unwelcome sexual attention. Harassment is against the law and we have no tolerance for it, and neither does the university. Even when behavior does not rise to the level of harassment (even if you think you're \"just joking!\"), it can still make people very uncomfortable, and harm their educational and professional career by forcing them to devote mental energy to something other than the material they are trying to learn or the professional successes they are trying to achieve. However, we expect that we do not need to threaten you to earn your respect on this matter: we simply ask that you treat one another like professionals, in the most positive sense. This has two implications: If you feel someone is violating these principles (for example, with a joke that could be interpreted as sexist, racist, or exclusionary), and you feel you have the standing to do so, speak up! Do not be a bystander to unprofessional behavior. If you do not feel comfortable doing so, and/or if the behavior persists, send a private email to the course instructors or set up a meeting with us to discuss the matter. We will preserve your anonymity. We, the course staff, are committed to affording you the same respect we ask you to afford one another. If you feel that we are not doing so, we hope you will feel comfortable either telling us so directly, or approaching another one of the course staff with your concerns. (Thank you to Shriram Krishnamurthi and Evan Peck for sharing their own policies, from which we drew inspiration for this one.)","title":"Professionalism"},{"location":"syllabus/#academic-honesty-and-collaboration","text":"The usual policies apply, especially the University Policy on Academic Integrity . Many of the projects will be done in groups. We expect that group members collaborate with one another, but that groups work independently from one another, not exchanging results with other groups. Within groups, we expect that you are honest about your contribution to the group's work. This implies not taking credit for others' work and not covering for team members that have not contributed to the team. Otherwise, our expectations regarding academic honesty and collaboration for group work are the same as for individual work, substituting elevated to the level of \"group.\" The course includes both individual projects and individual components of group projects . Although your solutions for individual parts will be based on the content produced for the group component (e.g. written reflections on lessons learned), we treat individual components of group projects as equivalent to individual projects overall, and expect you to complete such components independently of your groupmates. The rest of this academic honesty and collaboration content is taken from the policy used in 17-214: \"You may not copy any part of a solution to a problem that was written by another student, or was developed together with another student, or was copied from another unauthorized source such as the Internet. You may not look at another student's solution, even if you have completed your own, nor may you knowingly give your solution to another student or leave your solution where another student can see it. Here are some examples of behavior that are inappropriate: Copying or retyping, or referring to, files or parts of files (such as source code, written text, or unit tests) from another person or source (whether in final or draft form, regardless of the permissions set on the associated files) while producing your own. This is true even if your version includes minor modifications such as style or variable name changes or minor logic modifications. Getting help that you do not fully understand, and from someone whom you do not acknowledge on your solution. Writing, using, or submitting a program that attempts to alter or erase grading information or otherwise compromise security of course resources. Lying to course staff. Giving copies of work to others, or allowing someone else to copy or refer to your code or written assignment to produce their own, either in draft or final form. This includes making your work publicly available in a way that other students (current or future) can access your solutions, even if others' access is accidental or incidental to your goals. Beware the privacy settings on your open source accounts! Coaching others step-by-step without them understanding your help. If any of your work contains any statement that was not written by you, you must put it in quotes and cite the source. If you are paraphrasing an idea you read elsewhere, you must acknowledge the source. Using existing material without proper citation is plagiarism, a form of cheating. If there is any question about whether the material is permitted, you must get permission in advance. We will be using automated systems to detect software plagiarism. It is not considered cheating to clarify vague points in the assignments, lectures, lecture notes; to give help or receive help in using the computer systems, compilers, debuggers, profilers, or other facilities; or to discuss ideas at a very high level, without referring to or producing code. Any violation of this policy is cheating. The minimum penalty for cheating (including plagiarism) will be a zero grade for the whole assignment. Cheating incidents will also be reported through University channels, with possible additional disciplinary action (see the above-linked University Policy on Academic Integrity). If you have any question about how this policy applies in a particular situation, ask the instructors or TAs for clarification.\" Note that the instructors respect honesty in these (and indeed most!) situations.","title":"Academic Honesty and Collaboration"},{"location":"syllabus/#accommodations","text":"Carnegie Mellon University is committed to providing reasonable accommodations for all persons with disabilities. To access accommodation services you are expected to initiate the request and submit a Voluntary Disclosure of Disability Form to the office of Health & Wellness or CaPS-Q. In order to receive services/accommodations, verification of a disability is required as recommended in writing by a doctor, licensed psychologist or psycho-educational specialist. The office of Health & Wellness, CaPS-Q and Office of Disability Resources in Pittsburgh will review the information you provide. All information will be considered confidential and only released to appropriate persons on a need to know basis. Once the accommodations have been approved, you will be issued a Summary of Accommodations Memorandum documenting the disability and describing the accommodation. You are responsible for providing the Memorandum to your professors at the beginning of each semester. For more information on policies and procedures, please visit Assistance for Individuals with Disabilities on Scotty .","title":"Accommodations"},{"location":"syllabus/#policy-on-healthcare-related-absence","text":"We don't record our lectures, because they are highly interactive and tricky to record, but we do post slides at the end of the day. Please go over them and come to any of the instructors' office hours to discuss the material.","title":"Policy on Healthcare-Related Absence"},{"location":"syllabus/#a-note-on-self-care","text":"We all feel stress at different times and for different reasons, and when we do, it is good to reach out for support. Do your best to maintain a healthy lifestyle by eating well, exercising, getting enough sleep and taking some time to relax. Please know that you are not alone. There are many helpful resources available on campus and an important part of the college experience is learning how to ask for help. Asking for support sooner, rather than later, can often help your situation from getting more complicated. If you or any of your CMUQ peers are experiencing academic stress, difficult life events, or feelings like anxiety or depression, we strongly encourage you to seek support. Our Student Affairs staff are here to help: Dr. Dalia Rehal, Associate Dean for Student Affairs (CMB 1094), mailto:drehal@qatar.cmu.edu , 4454-8545 Amie Rollins, Office of Health and Wellness (CMB 1103), amier@andrew.cmu.edu , 4454-8680 Dr. Atorina Benjamin, Counseling and Psychological Services (CMB 1104), atorinab@qatar.cmu.edu , 4454-8525 You can also visit the Ilona Wyers Student Lounge and connect with anyone on the Student Affairs Team. Consider also reaching out to a friend, faculty, staff, or family member you trust for help. If you would like to speak to a trained professional for mental health support, day or night, call our ProtoCall hotline at 5554 7913, which is staffed by trained mental health care providers. If the situation is life threatening, call 999.","title":"A Note on Self Care"},{"location":"projects/","text":"Coming soon!","title":"Homework"},{"location":"projects/P1/","text":"Project 1: Hello, NodeBB! \u00b6 Learning Goals \u00b6 Familiarize yourself with an existing software project Download, install and run an existing software project Onboard on development tools and technologies Learn Git Flow and GitHub to support future collaborative development Run local analysis tools and use the output to evaluate a codebase Project Context \u00b6 Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product. This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website . For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB . Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project. Deliverables and Deadlines \u00b6 This is an individual assignment . There are four (4) deliverables and two (2) deadlines for this homework. A) Build Checkpoint - 5 points - due Sunday, September 1st, 11:59pm B) Starter Task (TBD) - 95 points - due Thursday, September 5th, 11:59pm GitHub Issue (20 pts) Code Refactoring and Validation (10 pts) GitHub Pull Request (25 pts) Gradescope Written Assignment (40 pts)","title":"Project 1: Hello, NodeBB!"},{"location":"projects/P1/#project-1-hello-nodebb","text":"","title":"Project 1: Hello, NodeBB!"},{"location":"projects/P1/#learning-goals","text":"Familiarize yourself with an existing software project Download, install and run an existing software project Onboard on development tools and technologies Learn Git Flow and GitHub to support future collaborative development Run local analysis tools and use the output to evaluate a codebase","title":"Learning Goals"},{"location":"projects/P1/#project-context","text":"Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product. This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website . For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB . Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project.","title":"Project Context"},{"location":"projects/P1/#deliverables-and-deadlines","text":"This is an individual assignment . There are four (4) deliverables and two (2) deadlines for this homework. A) Build Checkpoint - 5 points - due Sunday, September 1st, 11:59pm B) Starter Task (TBD) - 95 points - due Thursday, September 5th, 11:59pm GitHub Issue (20 pts) Code Refactoring and Validation (10 pts) GitHub Pull Request (25 pts) Gradescope Written Assignment (40 pts)","title":"Deliverables and Deadlines"},{"location":"projects/P1/1_checkpoint/","text":"Project 1A: Build Checkpoint \u00b6 Deliverables \u00b6 Build Checkpoint \u2013 5 points \u2013 due Sunday, September 1st, 11:59pm Getting Started \u00b6 Repository Setup \u00b6 Fork the class-specific repository into your personal GitHub account. Warning Even though this project is based off of an active open source project, we have made significant changes to ensure its suitability for our class. As such, be sure you are forking off of CMU-17313Q/NodeBB and direct any questions to course staff. Do not contact the maintainers of NodeBB for assistance with your homework questions. Ensure that GitHub Actions are enabled (click the green button under the \"Actions\" tab), then follow the below installation instructions based on your computer's operating system: Mac Windows Ubuntu (Linux) Once you have run NodeBB successfully, you should be able to navigate to http://localhost:4567 and see the main forum page. By default, NodeBB will be deployed to port 4567 on your machine. You may change this port number (e.g. to avoid conflict with another process running on your machine). Warning In this class, we do expect students to first try debugging errors on their own; this includes following stack traces, searching up error strings and unfamiliar outputs, etc. If you do get stuck, or if the process of installing and running NodeBB is taking you more than a few hours, stop and ask for help on Slack! Take some time to click through the pages and explore the different features that NodeBB has to offer. Lint and Test \u00b6 When working on an existing codebase, especially in a collaborative setting, we want to ensure that none of our changes introduce unexpected bugs or issues for other developers. To fulfill these goals, we often use different tools to help us evaluate our code. Luckily, NodeBB is already packaged with a number of neat tools! First, make sure all dependencies are installed: npm install You can run the linter and test suite using the following two commands: npm run lint npm run test After the test suite finishes running, NodeBB will also generate a code coverage report . This report gives you measurements with regards to what percentage of the codebase is covered by the test suite. Open the index.html file in the coverage folder to see the full report. Coverage Report As this is an existing codebase with a decently-sized test suite, you should expect to see a relatively high percentage of coverage , i.e. the majority of the bars/cells displayed should be green. If you are seeing a lot of red bars, it may mean that the test suite was not run properly. Double-check that all of the tests passed and that there were no failures. More on Analysis Tools A linter is a tool that directly analyzes your source code for common errors. A test suite is a set of test cases that you write for a software program to show that it has some specified set of behaviors; our testing tool provides a framework to structure our test cases, runs the test suite, and generates a report of which tests pass/fail. We will do a more in-depth exploration of analysis tools later in the course. For now, just know that these tools exist for you to use in evaluating your code. Build Checkpoint (5 pts) \u00b6 Upon completing the above steps, take screenshots of the home page of NodeBB, and the coverage report generated by the coverage tool opened in your browser. Be sure the URL is clearly visible in both screenshots (i.e. localhost:4567 and the file path to your coverage file), so we can confirm that you have everything running locally. Submit the two screenshots to Gradescope . Grading \u00b6 To receive full credit for this checkpoint, we expect: A Gradescope submission of two screenshots showing a local running build of NodeBB and the coverage report within a browser","title":"Project 1A Build Checkpoint"},{"location":"projects/P1/1_checkpoint/#project-1a-build-checkpoint","text":"","title":"Project 1A: Build Checkpoint"},{"location":"projects/P1/1_checkpoint/#deliverables","text":"Build Checkpoint \u2013 5 points \u2013 due Sunday, September 1st, 11:59pm","title":"Deliverables"},{"location":"projects/P1/1_checkpoint/#getting-started","text":"","title":"Getting Started"},{"location":"projects/P1/1_checkpoint/#repository-setup","text":"Fork the class-specific repository into your personal GitHub account. Warning Even though this project is based off of an active open source project, we have made significant changes to ensure its suitability for our class. As such, be sure you are forking off of CMU-17313Q/NodeBB and direct any questions to course staff. Do not contact the maintainers of NodeBB for assistance with your homework questions. Ensure that GitHub Actions are enabled (click the green button under the \"Actions\" tab), then follow the below installation instructions based on your computer's operating system: Mac Windows Ubuntu (Linux) Once you have run NodeBB successfully, you should be able to navigate to http://localhost:4567 and see the main forum page. By default, NodeBB will be deployed to port 4567 on your machine. You may change this port number (e.g. to avoid conflict with another process running on your machine). Warning In this class, we do expect students to first try debugging errors on their own; this includes following stack traces, searching up error strings and unfamiliar outputs, etc. If you do get stuck, or if the process of installing and running NodeBB is taking you more than a few hours, stop and ask for help on Slack! Take some time to click through the pages and explore the different features that NodeBB has to offer.","title":"Repository Setup"},{"location":"projects/P1/1_checkpoint/#lint-and-test","text":"When working on an existing codebase, especially in a collaborative setting, we want to ensure that none of our changes introduce unexpected bugs or issues for other developers. To fulfill these goals, we often use different tools to help us evaluate our code. Luckily, NodeBB is already packaged with a number of neat tools! First, make sure all dependencies are installed: npm install You can run the linter and test suite using the following two commands: npm run lint npm run test After the test suite finishes running, NodeBB will also generate a code coverage report . This report gives you measurements with regards to what percentage of the codebase is covered by the test suite. Open the index.html file in the coverage folder to see the full report. Coverage Report As this is an existing codebase with a decently-sized test suite, you should expect to see a relatively high percentage of coverage , i.e. the majority of the bars/cells displayed should be green. If you are seeing a lot of red bars, it may mean that the test suite was not run properly. Double-check that all of the tests passed and that there were no failures. More on Analysis Tools A linter is a tool that directly analyzes your source code for common errors. A test suite is a set of test cases that you write for a software program to show that it has some specified set of behaviors; our testing tool provides a framework to structure our test cases, runs the test suite, and generates a report of which tests pass/fail. We will do a more in-depth exploration of analysis tools later in the course. For now, just know that these tools exist for you to use in evaluating your code.","title":"Lint and Test"},{"location":"projects/P1/1_checkpoint/#build-checkpoint-5-pts","text":"Upon completing the above steps, take screenshots of the home page of NodeBB, and the coverage report generated by the coverage tool opened in your browser. Be sure the URL is clearly visible in both screenshots (i.e. localhost:4567 and the file path to your coverage file), so we can confirm that you have everything running locally. Submit the two screenshots to Gradescope .","title":"Build Checkpoint (5 pts)"},{"location":"projects/P1/1_checkpoint/#grading","text":"To receive full credit for this checkpoint, we expect: A Gradescope submission of two screenshots showing a local running build of NodeBB and the coverage report within a browser","title":"Grading"},{"location":"projects/P1/2_refactoring/","text":"Project 1B: Starter Task \u00b6 Deliverables \u00b6 Starter Task - 95 points - due Thursday, September 5th, 11:59PM GitHub Issue (20 pts) Code Refactoring and Validation (10 pts) GitHub Pull Request (25 pts) Gradescope Written Assignment (40 pts) Onboarding \u00b6 Now that you have explored the repository, the development team would like to give you an onboarding assignment. The team has noticed an accumulation of warnings in SonarCloud , a continuous code quality inspection tool. Your task is to remove SonarCloud warnings by refactoring code and validating that your change takes effect within the NodeBB codebase. Prerequisites \u00b6 Onboarding Materials \u00b6 Before jumping into the codebase, please review the course syllabus and be sure you have access to each of the following: Course Slack - check your email for an invite link Gradescope If you run into any trouble accessing the above or have any questions, reach out to the instructors. Git & GitHub \u00b6 In this project and throughout the rest of this course, you will be expected to work extensively with Git and GitHub. Specifically for this project, you should be familiar with: Forking/cloning GitHub repositories Understanding general Git flow - pulling, branching, adding, committing, pushing, merging Creating GitHub Issues and using related features (labels, assignees, milestones) Creating GitHub Pull Requests and using related features (linking to issues) Creating GitHub Project Boards If you are not familiar with any of these steps, you are highly recommended to first complete Recitation 2 - Git, GitHub, as it will cover the standards we are expecting in this class (which you will be graded upon). Refer to the Resources & Documentation section if needed. GitHub Issue (20 pts) \u00b6 First, choose a single file that has SonarCloud warning(s) and open a github issue in the class repository to declare which file and SonarCloud warning(s) that you will be working on. For the task, the file must Be a Javascript file. Be in the src/ folder. Be a file that no one else in the class has picked and created an issue for. We expect you to look through existing issues, if any, to avoid such duplication (thus, there is an incentive for you to start early!) The SonarCloud warning must be categorized under the Adaptability section and contain the \"Refactor\" key word. The goal of this task is to refactor code in the NodeBB codebase based on the specifications of the SonarCloud warning. Title the task appropriately, such as Refactoring code in , and mention the file name in the description. To prevent ambiguities between similarly-named files, be sure to use the full file path ( src/../xx.js ) in the title and description. Additionally, within the issue description, be sure to include an explanation of the SonarCloud warnings that you are working on. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Then, assign yourself to the Issue by leaving a comment that says \"I would like to work on this please!\" You should soon see another comment by the github-actions bot informing you that you have been successfully assigned to this issue. Why Bot Assignment? You might be curious as to why we are using a GitHub bot instead of directly assigning yourself to the issue. As you aren\u2019t officially recognized as a collaborator of CMU-313/NodeBB, GitHub adds some restrictions to your permissions for security purposes, including not being able to assign yourself to an issue. Hence, we are using a bot to work around these restrictions. This is similar to how you would request issues on an Open Source project! For future projects, you will have full control over these GitHub features such as managing assignees, adding labels, creating milestones, and more. Task (10 pts) \u00b6 For this task, you will focus on refactoring the code and removing all the corresponding SonarCloud warning(s) from your chosen file. As part of the task, you would also need to validate your changes for one SonarCloud warning utilizing code coverage and running a NodeBB instance. Back in your own fork, create a feature branch and implement the changes needed to address the SonarCloud warnings. You should start with the following steps: Review the SonarCloud warnings for the file. Identify the necessary code changes to address each warning. Implement the changes and ensure that they do not introduce new warnings or issues. Run the linter and test suite to ensure your changes pass all checks. You can check that your refactored code removes the warning by following the SonarCloud links automatically generated in the PR after the checks are run. You could also go to SonarCloud's Pull Request list and search for your PR there. For the validation part of the task, you only need to validate the refactored code you have worked on for one SonarCloud warning in the file you chose. You should examine the code coverage report (either the local HTML report or the online one generated by CoverAlls when you make a pull request) to ensure that the refactored code are included in the test coverage. If not, continue with the following steps: Locate the tests that are currently covering that file. Write tests that will add coverage to the refactored code you've written. All new tests added by you must pass. The tests that you write should be similar to the existing tests (e.g., do not introduce a new testing framework). We also want you to manually test your changes in a running NodeBB instance. The purpose is to trigger the refactored code's execution from the user interface (UI) with the following steps: Within your implementation, add a print statement (e.g. console.log(YOUR_NAME)) immediately before, after, or in the middle of your refactored code. Restart the NodeBB instance and watch its logs via ./nodebb log . Perform any necessary UI operations that execute the refactored code (e.g. clicking buttons for an action) Take a screenshot of these logs to include within your report with an explanation of the steps taken to trigger the code. GitHub Pull Request (25 pts) \u00b6 As you work, be sure to periodically commit your changes. Your commit message(s) must clearly describe what is changing. If you\u2019d like, you can also make use of branching and pull requests in your own repository to practice working with GitHub. Branch and Commit Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Once you are satisfied, open a pull request from your personal branch back to the class repository. Similar to the Issue, your PR title should mention the full path of the file you\u2019ve changed. The PR body should summarize the changes you made and use one of the linking keywords to link the issue that you previously opened (e.g. adding resolves #313 will signal to GitHub that this PR resolves issue number 313). Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. There will be automated checks that run on your pull request to ensure you meet the requirements of this assignment. Some of them take a while to run, so be sure to check on your pull request periodically to ensure that all these actions pass and everything is working properly! Test Suite Failures If the tests are failing on GitHub but work locally, it may be caused by server overload. Re-running the failing GitHub Action 1-2 times will resolve this. You should ensure that all checks including SonarCloud Quality Gate as well as Lint & Test are green. If all of the actions have passed, you will see a green checkmark next to your pull request. This signals that you have completed the implementation aspect of this assignment! \u2705 Written Assignment (40 pts) \u00b6 After you have completed all of the above tasks, we will ask you some questions relevant to the NodeBB project and the course syllabus . Fill out and submit the HW1 Written Assignment available on Gradescope. Grading \u00b6 To receive full credit for this project, we expect: A GitHub Issue with: A selected JavaScript file that follows our requirements above A meaningful title and description that includes the full path of the file A successful self-assignment as an assignee A GitHub Pull Request with: A meaningful title that includes the full path of the file A description body that describes the changes made and links the pull request to the issue Meaningful commit messages Appropriate usage of the eslint-ignore comment A green checkmark signaling that all checks have passed Answers to the Gradescope Written Assignment that demonstrate successful completion of the project and understanding of the benefits and limitations of software metrics in the context of NodeBB","title":"Project 1B: Starter Task"},{"location":"projects/P1/2_refactoring/#project-1b-starter-task","text":"","title":"Project 1B: Starter Task"},{"location":"projects/P1/2_refactoring/#deliverables","text":"Starter Task - 95 points - due Thursday, September 5th, 11:59PM GitHub Issue (20 pts) Code Refactoring and Validation (10 pts) GitHub Pull Request (25 pts) Gradescope Written Assignment (40 pts)","title":"Deliverables"},{"location":"projects/P1/2_refactoring/#onboarding","text":"Now that you have explored the repository, the development team would like to give you an onboarding assignment. The team has noticed an accumulation of warnings in SonarCloud , a continuous code quality inspection tool. Your task is to remove SonarCloud warnings by refactoring code and validating that your change takes effect within the NodeBB codebase.","title":"Onboarding"},{"location":"projects/P1/2_refactoring/#prerequisites","text":"","title":"Prerequisites"},{"location":"projects/P1/2_refactoring/#onboarding-materials","text":"Before jumping into the codebase, please review the course syllabus and be sure you have access to each of the following: Course Slack - check your email for an invite link Gradescope If you run into any trouble accessing the above or have any questions, reach out to the instructors.","title":"Onboarding Materials"},{"location":"projects/P1/2_refactoring/#git-github","text":"In this project and throughout the rest of this course, you will be expected to work extensively with Git and GitHub. Specifically for this project, you should be familiar with: Forking/cloning GitHub repositories Understanding general Git flow - pulling, branching, adding, committing, pushing, merging Creating GitHub Issues and using related features (labels, assignees, milestones) Creating GitHub Pull Requests and using related features (linking to issues) Creating GitHub Project Boards If you are not familiar with any of these steps, you are highly recommended to first complete Recitation 2 - Git, GitHub, as it will cover the standards we are expecting in this class (which you will be graded upon). Refer to the Resources & Documentation section if needed.","title":"Git & GitHub"},{"location":"projects/P1/2_refactoring/#github-issue-20-pts","text":"First, choose a single file that has SonarCloud warning(s) and open a github issue in the class repository to declare which file and SonarCloud warning(s) that you will be working on. For the task, the file must Be a Javascript file. Be in the src/ folder. Be a file that no one else in the class has picked and created an issue for. We expect you to look through existing issues, if any, to avoid such duplication (thus, there is an incentive for you to start early!) The SonarCloud warning must be categorized under the Adaptability section and contain the \"Refactor\" key word. The goal of this task is to refactor code in the NodeBB codebase based on the specifications of the SonarCloud warning. Title the task appropriately, such as Refactoring code in , and mention the file name in the description. To prevent ambiguities between similarly-named files, be sure to use the full file path ( src/../xx.js ) in the title and description. Additionally, within the issue description, be sure to include an explanation of the SonarCloud warnings that you are working on. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Then, assign yourself to the Issue by leaving a comment that says \"I would like to work on this please!\" You should soon see another comment by the github-actions bot informing you that you have been successfully assigned to this issue. Why Bot Assignment? You might be curious as to why we are using a GitHub bot instead of directly assigning yourself to the issue. As you aren\u2019t officially recognized as a collaborator of CMU-313/NodeBB, GitHub adds some restrictions to your permissions for security purposes, including not being able to assign yourself to an issue. Hence, we are using a bot to work around these restrictions. This is similar to how you would request issues on an Open Source project! For future projects, you will have full control over these GitHub features such as managing assignees, adding labels, creating milestones, and more.","title":"GitHub Issue (20 pts)"},{"location":"projects/P1/2_refactoring/#task-10-pts","text":"For this task, you will focus on refactoring the code and removing all the corresponding SonarCloud warning(s) from your chosen file. As part of the task, you would also need to validate your changes for one SonarCloud warning utilizing code coverage and running a NodeBB instance. Back in your own fork, create a feature branch and implement the changes needed to address the SonarCloud warnings. You should start with the following steps: Review the SonarCloud warnings for the file. Identify the necessary code changes to address each warning. Implement the changes and ensure that they do not introduce new warnings or issues. Run the linter and test suite to ensure your changes pass all checks. You can check that your refactored code removes the warning by following the SonarCloud links automatically generated in the PR after the checks are run. You could also go to SonarCloud's Pull Request list and search for your PR there. For the validation part of the task, you only need to validate the refactored code you have worked on for one SonarCloud warning in the file you chose. You should examine the code coverage report (either the local HTML report or the online one generated by CoverAlls when you make a pull request) to ensure that the refactored code are included in the test coverage. If not, continue with the following steps: Locate the tests that are currently covering that file. Write tests that will add coverage to the refactored code you've written. All new tests added by you must pass. The tests that you write should be similar to the existing tests (e.g., do not introduce a new testing framework). We also want you to manually test your changes in a running NodeBB instance. The purpose is to trigger the refactored code's execution from the user interface (UI) with the following steps: Within your implementation, add a print statement (e.g. console.log(YOUR_NAME)) immediately before, after, or in the middle of your refactored code. Restart the NodeBB instance and watch its logs via ./nodebb log . Perform any necessary UI operations that execute the refactored code (e.g. clicking buttons for an action) Take a screenshot of these logs to include within your report with an explanation of the steps taken to trigger the code.","title":"Task (10 pts)"},{"location":"projects/P1/2_refactoring/#github-pull-request-25-pts","text":"As you work, be sure to periodically commit your changes. Your commit message(s) must clearly describe what is changing. If you\u2019d like, you can also make use of branching and pull requests in your own repository to practice working with GitHub. Branch and Commit Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Once you are satisfied, open a pull request from your personal branch back to the class repository. Similar to the Issue, your PR title should mention the full path of the file you\u2019ve changed. The PR body should summarize the changes you made and use one of the linking keywords to link the issue that you previously opened (e.g. adding resolves #313 will signal to GitHub that this PR resolves issue number 313). Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. There will be automated checks that run on your pull request to ensure you meet the requirements of this assignment. Some of them take a while to run, so be sure to check on your pull request periodically to ensure that all these actions pass and everything is working properly! Test Suite Failures If the tests are failing on GitHub but work locally, it may be caused by server overload. Re-running the failing GitHub Action 1-2 times will resolve this. You should ensure that all checks including SonarCloud Quality Gate as well as Lint & Test are green. If all of the actions have passed, you will see a green checkmark next to your pull request. This signals that you have completed the implementation aspect of this assignment! \u2705","title":"GitHub Pull Request (25 pts)"},{"location":"projects/P1/2_refactoring/#written-assignment-40-pts","text":"After you have completed all of the above tasks, we will ask you some questions relevant to the NodeBB project and the course syllabus . Fill out and submit the HW1 Written Assignment available on Gradescope.","title":"Written Assignment (40 pts)"},{"location":"projects/P1/2_refactoring/#grading","text":"To receive full credit for this project, we expect: A GitHub Issue with: A selected JavaScript file that follows our requirements above A meaningful title and description that includes the full path of the file A successful self-assignment as an assignee A GitHub Pull Request with: A meaningful title that includes the full path of the file A description body that describes the changes made and links the pull request to the issue Meaningful commit messages Appropriate usage of the eslint-ignore comment A green checkmark signaling that all checks have passed Answers to the Gradescope Written Assignment that demonstrate successful completion of the project and understanding of the benefits and limitations of software metrics in the context of NodeBB","title":"Grading"},{"location":"projects/P1/documentation/","text":"Resources & Documentation \u00b6 Below are some common resources to assist you with your completion of this project. If you get stuck, start by consulting the following materials; if you have any additional questions, the course staff will be available to answer questions via Slack and Office Hours. Git & GitHub Documentation \u00b6 Documentation for working with Git and GitHub: Git Documentation Git Flow GitHub Basics GitHub's Flow GitHub Cross-Referencing We also have a simple Git-based exercise that you are highly recommeneded to complete before proceeding with this project. NodeBB Documentation \u00b6 The official NodeBB documentation is available at https://docs.nodebb.org. The CMU-313 snapshot is a fork of v3.8.4. When developing with NodeBB, the following documentation about internal REST API endpoints might be helpful: - Read API - Write API If you want to run HTTP requests to interact with the REST API of a running NodeBB instance (e.g., on localhost ), then you can use the curl tool to issue HTTP requests via the command-line. - Tutorial on using curl for testing a REST API","title":"Resources & Documentation"},{"location":"projects/P1/documentation/#resources-documentation","text":"Below are some common resources to assist you with your completion of this project. If you get stuck, start by consulting the following materials; if you have any additional questions, the course staff will be available to answer questions via Slack and Office Hours.","title":"Resources & Documentation"},{"location":"projects/P1/documentation/#git-github-documentation","text":"Documentation for working with Git and GitHub: Git Documentation Git Flow GitHub Basics GitHub's Flow GitHub Cross-Referencing We also have a simple Git-based exercise that you are highly recommeneded to complete before proceeding with this project.","title":"Git & GitHub Documentation"},{"location":"projects/P1/documentation/#nodebb-documentation","text":"The official NodeBB documentation is available at https://docs.nodebb.org. The CMU-313 snapshot is a fork of v3.8.4. When developing with NodeBB, the following documentation about internal REST API endpoints might be helpful: - Read API - Write API If you want to run HTTP requests to interact with the REST API of a running NodeBB instance (e.g., on localhost ), then you can use the curl tool to issue HTTP requests via the command-line. - Tutorial on using curl for testing a REST API","title":"NodeBB Documentation"},{"location":"projects/P1/faq/","text":"Frequently Asked Questions \u00b6 This section is meant to contain frequently asked questions about the homework. We will continue to update this throughout the period the assignment is released! Installation \u00b6 I'm running into errors about missing files when running ./nodebb start ! \u00b6 Be sure you've compiled a build by running the build command ./nodebb build first, then try running the start command again. Analysis Tools \u00b6 Running the test suite stops immediately and throws a bunch of errors! \u00b6 This usually happens if you don't have a test database configured correctly. Scroll up past the errors and copy over the test database configuration into the local config.json file. For redis, you won't have to do any additional setup; for mongodb, you may have to explicitly create another test database. You can reference the installation instructions to get the commands for setting this up. Ask in Slack if you need assistance! Other \u00b6 How do I reset my NodeBB configurations? \u00b6 Delete the config.json file and re-run the ./nodebb setup command. How do I reset my NodeBB database? \u00b6 Depending on your database setup, you will need to find the commands to delete all data stored in your database. For redis, this involves using the redis-cli to enter the database and using the FLUSHALL command. Once you've cleared your database, delete your config.json file and re-run the ./nodebb setup command. You will need to reconfigure an admin account.","title":"FAQ"},{"location":"projects/P1/faq/#frequently-asked-questions","text":"This section is meant to contain frequently asked questions about the homework. We will continue to update this throughout the period the assignment is released!","title":"Frequently Asked Questions"},{"location":"projects/P1/faq/#installation","text":"","title":"Installation"},{"location":"projects/P1/faq/#im-running-into-errors-about-missing-files-when-running-nodebb-start","text":"Be sure you've compiled a build by running the build command ./nodebb build first, then try running the start command again.","title":"I'm running into errors about missing files when running ./nodebb start!"},{"location":"projects/P1/faq/#analysis-tools","text":"","title":"Analysis Tools"},{"location":"projects/P1/faq/#running-the-test-suite-stops-immediately-and-throws-a-bunch-of-errors","text":"This usually happens if you don't have a test database configured correctly. Scroll up past the errors and copy over the test database configuration into the local config.json file. For redis, you won't have to do any additional setup; for mongodb, you may have to explicitly create another test database. You can reference the installation instructions to get the commands for setting this up. Ask in Slack if you need assistance!","title":"Running the test suite stops immediately and throws a bunch of errors!"},{"location":"projects/P1/faq/#other","text":"","title":"Other"},{"location":"projects/P1/faq/#how-do-i-reset-my-nodebb-configurations","text":"Delete the config.json file and re-run the ./nodebb setup command.","title":"How do I reset my NodeBB configurations?"},{"location":"projects/P1/faq/#how-do-i-reset-my-nodebb-database","text":"Depending on your database setup, you will need to find the commands to delete all data stored in your database. For redis, this involves using the redis-cli to enter the database and using the FLUSHALL command. Once you've cleared your database, delete your config.json file and re-run the ./nodebb setup command. You will need to reconfigure an admin account.","title":"How do I reset my NodeBB database?"},{"location":"projects/P1/github/","text":"GitHub Exercise \u00b6 Overview \u00b6 The purpose of this exercise is to provide support for students who may be less familiar with Git and GitHub. After this exercise, students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the Git workflow and how to collaborate with other developers in their projects. Note This exercise is optional and is meant to provide a sandbox environment for students who want to practice using Git and GitHub tools. Students should use their own discretion on whether this exercise is helpful or necessary to support their learning. Prerequisites \u00b6 You have a GitHub account You have Git installed You have Python 3 installed You know Git Basics Forking a Repository \u00b6 Start by forking this repository to your personal account by clicking the Fork button at the top of the page. Then, under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository. Clone the repository onto your local machine. Running a GitHub Action Workflow \u00b6 On GitHub, click the Actions tab, enable workflows by clicking the green button, then select the \"Python Application\" workflow. Click on the \"Run workflow\" dropdown. Double-check that the selected Branch is main , then click the \"Run workflow\" button. This manually will run the GitHub workflow that tests the Fibonacci function in fib.py using test_fib.py . Once the action has finished running, click into the workflow and select \"build\". You should notice the action failing, meaning the test cases failed and our main branch is broken! Let's walk through the process to fix these errors. Tip In practice, you should not merge code into the main branch that could cause it to fail. This way, we can ensure that all the code on the main branch represents our most recent fully-working product. Setting up a Project Board \u00b6 Project boards are a great way to track development. Although there are many nice external tools such as Trello or Jira, GitHub provides their own project boards for us to use with great integration support of their other features. Under the Projects tab, create a new project with the \"Board\" template. After the board has been created, go back to the Projects tab and link the project board to the repository. Creating Issues \u00b6 Check back on the build output in the Actions tab and take a look at which test cases are failing. Take note of the names of each test case - they should give you a hint as to what the bugs may be! Under the Issues tab, create an issue for each failing test case. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Assign yourself to one of the issues and add the two issues to the project Kanban board under the \"Todo\" column. You may also want to experiment with adding labels and milestones to your issues. These are all features you will be using in future projects! Branching, Committing, and Pushing \u00b6 On your local machine, create a new branch with a relevant name to the issue you are addressing. Branch Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Fix the issue that you were assigned to, then add and commit the changes. Commit Guidelines Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Push the branch to remote by running: % git push --set-upstream origin Writing Pull Requests \u00b6 On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch. Warning Make sure you are merging to the main of your own forked repository! By default, GitHub will select the original repository (CMU-17313Q/...) instead of your own forked repository (your-username/...). Give your pull request an appropriate title and description. Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. Link the issue you created initially to the PR by using the linking keywords in the PR description, then click on the green \"Create pull request\" button. Notice that the GitHub action workflow runs automatically once you create the pull request! You should check that the relevant test case to your fix now passes. Check GitHub Actions \u00b6 Click on the Actions tab. If you have resolved all the issues correctly, the tests should now pass, and a green check should show.","title":"Github Exercise"},{"location":"projects/P1/github/#github-exercise","text":"","title":"GitHub Exercise"},{"location":"projects/P1/github/#overview","text":"The purpose of this exercise is to provide support for students who may be less familiar with Git and GitHub. After this exercise, students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the Git workflow and how to collaborate with other developers in their projects. Note This exercise is optional and is meant to provide a sandbox environment for students who want to practice using Git and GitHub tools. Students should use their own discretion on whether this exercise is helpful or necessary to support their learning.","title":"Overview"},{"location":"projects/P1/github/#prerequisites","text":"You have a GitHub account You have Git installed You have Python 3 installed You know Git Basics","title":"Prerequisites"},{"location":"projects/P1/github/#forking-a-repository","text":"Start by forking this repository to your personal account by clicking the Fork button at the top of the page. Then, under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository. Clone the repository onto your local machine.","title":"Forking a Repository"},{"location":"projects/P1/github/#running-a-github-action-workflow","text":"On GitHub, click the Actions tab, enable workflows by clicking the green button, then select the \"Python Application\" workflow. Click on the \"Run workflow\" dropdown. Double-check that the selected Branch is main , then click the \"Run workflow\" button. This manually will run the GitHub workflow that tests the Fibonacci function in fib.py using test_fib.py . Once the action has finished running, click into the workflow and select \"build\". You should notice the action failing, meaning the test cases failed and our main branch is broken! Let's walk through the process to fix these errors. Tip In practice, you should not merge code into the main branch that could cause it to fail. This way, we can ensure that all the code on the main branch represents our most recent fully-working product.","title":"Running a GitHub Action Workflow"},{"location":"projects/P1/github/#setting-up-a-project-board","text":"Project boards are a great way to track development. Although there are many nice external tools such as Trello or Jira, GitHub provides their own project boards for us to use with great integration support of their other features. Under the Projects tab, create a new project with the \"Board\" template. After the board has been created, go back to the Projects tab and link the project board to the repository.","title":"Setting up a Project Board"},{"location":"projects/P1/github/#creating-issues","text":"Check back on the build output in the Actions tab and take a look at which test cases are failing. Take note of the names of each test case - they should give you a hint as to what the bugs may be! Under the Issues tab, create an issue for each failing test case. Issue Guidelines Issues titles should provide a high-level overview of what the problem is (e.g. \"Navbar button UI bugs\" , \"Unexpected registration validation errors\" ). Sometimes, issues are used to propose new features (e.g. \"Add CSV export feature\" ). Issue descriptions should then elaborate on the title. For feature-level bugs, this may include providing information about how to reproduce the bug; for codebase-level changes, you can name specific files. Assign yourself to one of the issues and add the two issues to the project Kanban board under the \"Todo\" column. You may also want to experiment with adding labels and milestones to your issues. These are all features you will be using in future projects!","title":"Creating Issues"},{"location":"projects/P1/github/#branching-committing-and-pushing","text":"On your local machine, create a new branch with a relevant name to the issue you are addressing. Branch Guidelines Branch names should be short and provide a description of what you will be doing on that branch (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ). When working with others, you can also append your username to signal which branches are yours (e.g. \"313ta/add-sorting-feature\" ). Fix the issue that you were assigned to, then add and commit the changes. Commit Guidelines Commits should start with a verb and provide a description of what they are doing to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ). Push the branch to remote by running: % git push --set-upstream origin ","title":"Branching, Committing, and Pushing"},{"location":"projects/P1/github/#writing-pull-requests","text":"On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch. Warning Make sure you are merging to the main of your own forked repository! By default, GitHub will select the original repository (CMU-17313Q/...) instead of your own forked repository (your-username/...). Give your pull request an appropriate title and description. Pull Request Guidelines Pull request titles should describe what high-level changes were made to the codebase. Generally, they give a concise summary of all the commit messages. Pull request descriptions should describe what changes have been made in more detail and how the changes have been tested. Link the issue you created initially to the PR by using the linking keywords in the PR description, then click on the green \"Create pull request\" button. Notice that the GitHub action workflow runs automatically once you create the pull request! You should check that the relevant test case to your fix now passes.","title":"Writing Pull Requests"},{"location":"projects/P1/github/#check-github-actions","text":"Click on the Actions tab. If you have resolved all the issues correctly, the tests should now pass, and a green check should show.","title":"Check GitHub Actions"},{"location":"projects/P1/index_all/","text":"Project 1: Hello, NodeBB! \u00b6 Learning Goals \u00b6 Familiarize yourself with an existing software project Download, install and run an existing software project Onboard on development tools and technologies Learn Git Flow and GitHub to support future collaborative development Run local analysis tools and use the output to evaluate a codebase Project Context \u00b6 Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product. This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website . For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB . Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project. Deliverables and Deadlines \u00b6 This is an individual assignment . There are four (4) deliverables and two (2) deadlines for this homework. A) Build Checkpoint - 5 points - due Friday, August 30th, 11:59pm B) Starter Task - 95 points - due Thursday, September 5th, 11:59PM GitHub Issue (20 pts) Code Refactoring and Validation (10 pts) GitHub Pull Request (25 pts) Gradescope Written Assignment (40 pts)","title":"Project 1: Hello, NodeBB!"},{"location":"projects/P1/index_all/#project-1-hello-nodebb","text":"","title":"Project 1: Hello, NodeBB!"},{"location":"projects/P1/index_all/#learning-goals","text":"Familiarize yourself with an existing software project Download, install and run an existing software project Onboard on development tools and technologies Learn Git Flow and GitHub to support future collaborative development Run local analysis tools and use the output to evaluate a codebase","title":"Learning Goals"},{"location":"projects/P1/index_all/#project-context","text":"Welcome to the 17-313 development team! To get started, you will be going through our onboarding process to familiarize yourself with both the course and the project you will be working on. Eventually, you will be tasked with designing and developing new features, but the first step is to download, run, explore, and evaluate the existing software product. This semester, we will be building upon NodeBB, an open-source community forum software project that was started in 2014. You can learn more about this project from the original development team's website . For your own development, you will be forking your own repository off of a class-specific fork of NodeBB, which you can find at https://github.com/CMU-17313Q/NodeBB . Our fork contains some tweaks to make the project easier to modify and debug. This will also allow you to create issues and pull requests that are visible to the instructors, which will be the primary way of submitting code deliverables for this project.","title":"Project Context"},{"location":"projects/P1/index_all/#deliverables-and-deadlines","text":"This is an individual assignment . There are four (4) deliverables and two (2) deadlines for this homework. A) Build Checkpoint - 5 points - due Friday, August 30th, 11:59pm B) Starter Task - 95 points - due Thursday, September 5th, 11:59PM GitHub Issue (20 pts) Code Refactoring and Validation (10 pts) GitHub Pull Request (25 pts) Gradescope Written Assignment (40 pts)","title":"Deliverables and Deadlines"},{"location":"projects/P1/installation/mac/","text":"Installing NodeBB on MacOS \u00b6 Required Software \u00b6 First, install the following programs: http://nodejs.org/ http://brew.sh/ Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 10 of npm installed: % node -v # this should output \"20.17.0\" or similar % npm -v # this should output \"10.8.2\" or similar There might be issues later if you are using an older Node version (<20). Installing Redis \u00b6 Install redis with homebrew: % brew install redis Start the redis server: % redis-server Installing NodeBB \u00b6 You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. You can choose any admin username and password. Unfortunately (or fortunately), NodeBB won't accept weak passwords like 1234 :) so you need to come up with a slightly stronger password like admin1234! . Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Mac"},{"location":"projects/P1/installation/mac/#installing-nodebb-on-macos","text":"","title":"Installing NodeBB on MacOS"},{"location":"projects/P1/installation/mac/#required-software","text":"First, install the following programs: http://nodejs.org/ http://brew.sh/ Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 10 of npm installed: % node -v # this should output \"20.17.0\" or similar % npm -v # this should output \"10.8.2\" or similar There might be issues later if you are using an older Node version (<20).","title":"Required Software"},{"location":"projects/P1/installation/mac/#installing-redis","text":"Install redis with homebrew: % brew install redis Start the redis server: % redis-server","title":"Installing Redis"},{"location":"projects/P1/installation/mac/#installing-nodebb","text":"You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. You can choose any admin username and password. Unfortunately (or fortunately), NodeBB won't accept weak passwords like 1234 :) so you need to come up with a slightly stronger password like admin1234! . Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Installing NodeBB"},{"location":"projects/P1/installation/ubuntu/","text":"Installing on Ubuntu \u00b6 Required Software \u00b6 Installing Node.js \u00b6 Node.js is available from the NodeSource Ubuntu binary distributions repository. Start by adding this repository to the apt index: % curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash - Then, update the apt packages and install nodejs: % sudo apt-get update % sudo apt-get install -y nodejs Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 10 of npm installed: % node -v # this should output \"20.17.0\" or similar % npm -v # this should output \"10.8.2\" or similar There might be issues later if you are using an older Node version (<20). Installing Redis \u00b6 The original NodeBB installation guide suggests the use of MongoDB database, but for simplicity and consistency across the installation guides, we will be using Redis as our database. Here is an abbreviated version of the installation instructions provided by Redis : % sudo apt-get update % sudo apt-get install redis Start the redis server: % redis-server Installing NodeBB \u00b6 You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Windows WSL2 Warning For Windows WSL2 users, you should store your project files on the same operating system as the tools you plan to use . When it comes to cloning the NodeBB repository, it means that you should clone it in: the Linux file system root directory: \\\\wsl$\\Ubuntu\\home\\\\ NOT the Windows file system root directory: /mnt/c/Users//$ or C:\\Users\\\\ You can use % cd ~ to access the Linux home directory, then clone the repository there. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. You can choose any admin username and password. Unfortunately (or fortunately), NodeBB won't accept weak passwords like 1234 :) so you need to come up with a slightly stronger password like admin1234! . Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Linux (Ubuntu)"},{"location":"projects/P1/installation/ubuntu/#installing-on-ubuntu","text":"","title":"Installing on Ubuntu"},{"location":"projects/P1/installation/ubuntu/#required-software","text":"","title":"Required Software"},{"location":"projects/P1/installation/ubuntu/#installing-nodejs","text":"Node.js is available from the NodeSource Ubuntu binary distributions repository. Start by adding this repository to the apt index: % curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash - Then, update the apt packages and install nodejs: % sudo apt-get update % sudo apt-get install -y nodejs Verify installation of Node.js and npm. You should have version LTS of Node.js installed, and version 10 of npm installed: % node -v # this should output \"20.17.0\" or similar % npm -v # this should output \"10.8.2\" or similar There might be issues later if you are using an older Node version (<20).","title":"Installing Node.js"},{"location":"projects/P1/installation/ubuntu/#installing-redis","text":"The original NodeBB installation guide suggests the use of MongoDB database, but for simplicity and consistency across the installation guides, we will be using Redis as our database. Here is an abbreviated version of the installation instructions provided by Redis : % sudo apt-get update % sudo apt-get install redis Start the redis server: % redis-server","title":"Installing Redis"},{"location":"projects/P1/installation/ubuntu/#installing-nodebb","text":"You should have already forked the class-specific repository . Clone your forked repository onto your local machine. Windows WSL2 Warning For Windows WSL2 users, you should store your project files on the same operating system as the tools you plan to use . When it comes to cloning the NodeBB repository, it means that you should clone it in: the Linux file system root directory: \\\\wsl$\\Ubuntu\\home\\\\ NOT the Windows file system root directory: /mnt/c/Users//$ or C:\\Users\\\\ You can use % cd ~ to access the Linux home directory, then clone the repository there. Enter the directory where you have cloned the repository: % cd NodeBB Run the interactive installation command: % ./nodebb setup You will then be presented with a series of setup questions. For each of the questions \u2014 except for \"Which database to use (mongo)\" , which you should answer with \"redis\" \u2014 you may accept the default answer by pressing Enter URL used to access this NodeBB (http://127.0.0.1:4567) Please enter a NodeBB secret (ee18b7c3-1d23-41c9-800f-78d74acc0861) Would you like to submit anonymous plugin usage to nbbpm? (yes) Which database to use (mongo) redis Now configuring redis database: Host IP or address of your Redis instance (127.0.0.1) Host port of your Redis instance (6379) Password of your Redis database Which database to use (0..n) (0) The first time you run the setup command, you will also be asked to configure a forum administrator. When prompted, enter the desired information for the admin account. You can choose any admin username and password. Unfortunately (or fortunately), NodeBB won't accept weak passwords like 1234 :) so you need to come up with a slightly stronger password like admin1234! . Once everything has finished installing, a configuration file config.json will be created. This file can be modified if you need to make changes to the above settings, such as the database location or credentials used to access the database. After the installation, start the NodeBB server: % ./nodebb start You can now visit your forum at http://localhost:4567/ .","title":"Installing NodeBB"},{"location":"projects/P1/installation/windows/","text":"Installing NodeBB on Windows \u00b6 17-313 will only be supporting development using Windows Subsystem Linux 2 (WSL2) on Windows (Ubuntu variant). To support the use of WSL2, it is highly recommended that you develop using VSCode . To learn more, refer to Microsoft's official WSL Documentation . Installing WSL2 on Windows \u00b6 Follow the instructions on the official Microsoft Getting Started Guide and complete all the steps up to (and including) the Use Visual Studio Code section. By the end of these instructions, you should: Have Ubuntu WSL2 installed Have a root Linux username and password set up Have updated and upgraded your packages Be able to open Ubuntu WSL2 in Windows Terminal Understand that you should store your project files on the same operating system as the tools you plan to use . For example, in order to successfully run NodeBB in Ubuntu, you should run git clone in your Ubuntu file system, open the cloned directory in Ubuntu, and edit the code files in Ubuntu Be able to open a directory in Ubuntu in VSCode Note In all future projects of this course, we will expect you to develop using WSL2. Thus, it is very important that you set up WSL2 correctly. Please come to office hours or ask on Slack if you need any assistance with the installation. Installing NodeBB \u00b6 If you do not already have Git installed, follow the Git Installation on Linux for Ubuntu. Then, follow the Ubuntu instructions to install required tools and NodeBB itself on WSL2.","title":"Windows"},{"location":"projects/P1/installation/windows/#installing-nodebb-on-windows","text":"17-313 will only be supporting development using Windows Subsystem Linux 2 (WSL2) on Windows (Ubuntu variant). To support the use of WSL2, it is highly recommended that you develop using VSCode . To learn more, refer to Microsoft's official WSL Documentation .","title":"Installing NodeBB on Windows"},{"location":"projects/P1/installation/windows/#installing-wsl2-on-windows","text":"Follow the instructions on the official Microsoft Getting Started Guide and complete all the steps up to (and including) the Use Visual Studio Code section. By the end of these instructions, you should: Have Ubuntu WSL2 installed Have a root Linux username and password set up Have updated and upgraded your packages Be able to open Ubuntu WSL2 in Windows Terminal Understand that you should store your project files on the same operating system as the tools you plan to use . For example, in order to successfully run NodeBB in Ubuntu, you should run git clone in your Ubuntu file system, open the cloned directory in Ubuntu, and edit the code files in Ubuntu Be able to open a directory in Ubuntu in VSCode Note In all future projects of this course, we will expect you to develop using WSL2. Thus, it is very important that you set up WSL2 correctly. Please come to office hours or ask on Slack if you need any assistance with the installation.","title":"Installing WSL2 on Windows"},{"location":"projects/P1/installation/windows/#installing-nodebb","text":"If you do not already have Git installed, follow the Git Installation on Linux for Ubuntu. Then, follow the Ubuntu instructions to install required tools and NodeBB itself on WSL2.","title":"Installing NodeBB"},{"location":"projects/P2/","text":"Project 2: Collaborative Development \u00b6 Learning Goals \u00b6 Translating requirements into actionable user stories Practice getting to know a pre-existing code base and developing new features for it using previously unfamiliar technology Practice version control and development best practices within the context of a group assignment Plan and schedule projects in terms of tasks, milestones, and time estimations, and re-plan as required Make initial decisions on a team process, and reflect on your experience with the process Effectively coordinate among team members and conduct team meetings Meaningfully reflect on the experience of working in teams Project Context \u00b6 CMU has over 14,000 students and hundreds of courses every semester. Many of these courses use a combination of educational platforms to distribute course materials (handouts, lecture notes, etc), manage student information, assess student learning, and provide a means of communication between the students and course staff. Examples of such platforms include Canvas, Piazza, and Gradescope. However, the distributed nature of this system makes it difficult for instructors to synchronize information across each of the different platforms, and the lack of standardization across the university forces students to remember a different set of links for each class. Your manager has assigned you to a team and has tasked you with building a new course management system over the course of the semester to be used university-wide. To help manage the scope of this project, they have specifically requested you to focus on implementing the Q&A portion of this overarching system , i.e. the component that enables communication between the faculty and students. Rather than creating a new Q&A system from scratch, management has decided that you and your team will repurpose and adapt the existing forum system provided by NodeBB . Beyond being a pretty decent forum platform, NodeBB provides complex features that you expect will be useful like user registration, permission settings, post creation, sorting and filtering capabilities, and more. Despite its considerable functionality, NodeBB is still missing many of the basic features that you would expect to find in a course-based Q&A system and needs changes to better fit this new purpose. You and your team will be responsible for coming up with an initial development plan and beginning implementation. Deliverables and Deadlines \u00b6 This will be the first assignment with your group. There are three (3) deadlines for this project. Each of the core deliverables are described below. This project is worth a total of 320 points. Detailed information for each of the deadlines has been split into its own subpage on the left. Tip This is a large assignment spanning from now until Fall Break. We estimate that this project will take each student on the team on average 8 hours/week over the next 5 weeks, for a total of 40 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. A) Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts) B) First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st C) Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Team Reflection (50 pts) Individual Reflection (30 pts)","title":"Project 2: Collaborative Development"},{"location":"projects/P2/#project-2-collaborative-development","text":"","title":"Project 2: Collaborative Development"},{"location":"projects/P2/#learning-goals","text":"Translating requirements into actionable user stories Practice getting to know a pre-existing code base and developing new features for it using previously unfamiliar technology Practice version control and development best practices within the context of a group assignment Plan and schedule projects in terms of tasks, milestones, and time estimations, and re-plan as required Make initial decisions on a team process, and reflect on your experience with the process Effectively coordinate among team members and conduct team meetings Meaningfully reflect on the experience of working in teams","title":"Learning Goals"},{"location":"projects/P2/#project-context","text":"CMU has over 14,000 students and hundreds of courses every semester. Many of these courses use a combination of educational platforms to distribute course materials (handouts, lecture notes, etc), manage student information, assess student learning, and provide a means of communication between the students and course staff. Examples of such platforms include Canvas, Piazza, and Gradescope. However, the distributed nature of this system makes it difficult for instructors to synchronize information across each of the different platforms, and the lack of standardization across the university forces students to remember a different set of links for each class. Your manager has assigned you to a team and has tasked you with building a new course management system over the course of the semester to be used university-wide. To help manage the scope of this project, they have specifically requested you to focus on implementing the Q&A portion of this overarching system , i.e. the component that enables communication between the faculty and students. Rather than creating a new Q&A system from scratch, management has decided that you and your team will repurpose and adapt the existing forum system provided by NodeBB . Beyond being a pretty decent forum platform, NodeBB provides complex features that you expect will be useful like user registration, permission settings, post creation, sorting and filtering capabilities, and more. Despite its considerable functionality, NodeBB is still missing many of the basic features that you would expect to find in a course-based Q&A system and needs changes to better fit this new purpose. You and your team will be responsible for coming up with an initial development plan and beginning implementation.","title":"Project Context"},{"location":"projects/P2/#deliverables-and-deadlines","text":"This will be the first assignment with your group. There are three (3) deadlines for this project. Each of the core deliverables are described below. This project is worth a total of 320 points. Detailed information for each of the deadlines has been split into its own subpage on the left. Tip This is a large assignment spanning from now until Fall Break. We estimate that this project will take each student on the team on average 8 hours/week over the next 5 weeks, for a total of 40 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. A) Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts) B) First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st C) Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Team Reflection (50 pts) Individual Reflection (30 pts)","title":"Deliverables and Deadlines"},{"location":"projects/P2/1_teamprocess/","text":"Project 2A: Collaborative Development \u00b6 Deliverables \u00b6 Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts) Team Setup \u00b6 Slack Channel \u00b6 On the 17-313Q Slack workspace, create a new private Slack channel that includes all your team members and the CA who is your team mentor. Use this Slack channel to collectively decide on a team name . Your team name should be unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children. Once you have a team name, rename your team Slack channel to #team- . You can use this Slack channel for subsequent project-team related discussions or specialized Q&A with your TA mentors for the rest of the semester. GitHub Repository \u00b6 You will be working on your team repository for this project. Once you have decided on a team name, go to the link below to set up your team: https://classroom.github.com/a/6U8xuKTF Warning After you join a team on GitHub, you cannot change teams! Make sure that only one of you creates the team, and make sure that the remaining teammates join the right team. Once you enter your team name, Github will automatically create a repository for your team. You should then create a Github Project board for your repository (you can follow the steps from the GitHub Exercise or the first recitation). You should use this team repository for all your development, and be sure to use good development practices, including keeping your commits cohesive and your commit messages informative. The same resources mentioned above provide more details on our guidelines. We will be grading you on how well you follow the process we used for Project 1 and utilize this Project board: Create issues for feature improvements or bug-fixes When creating issue, assign team members and tag with appropriate labels Create a pull request and reference the issue it will be resolving Provide feedback to pull requests Use a Kanban board to track your workflow For this project, you will create issues or pull requests directly in your team repository . We will use your commit history and issue/pull request activity on Github to assess both your teamwork process and each member\u2019s individual contributions towards the project. It is not acceptable for one person to commit all the work after synchronizing through other means. For each code-based deliverable, we will look at a snapshot of your repository at the deadline. This will often be done by asking you for a screenshot or commit link submitted via Gradescope. Teamwork Self-Assessment \u00b6 As the course moves into team-based projects, we will be releasing weekly self-assessments on Gradescope, each worth one participation point. These are meant to be short surveys and should not take more than a few minutes. They are intended to help you reflect on your team's process and prompt you to think about how to improve it. The first one will be released on Thursday, August 31st and due the following Thursday, September 7th (both at 11:59pm). Main Deliverables \u00b6 Teamwork Contract (40 pts) \u00b6 When working with a team, it is important to discuss each team member\u2019s background, and establish common expectations of the team. Miscommunication or the general lack of communication are often the most common causes of team conflict. Team Conflict Example A common conflict in working style is when there are team members who always want to get a headstart on their work, while there are team members who are fine with doing work a few days before the deadline. It causes panic in the former team members, while the latter team members feel frustrated as to why they are being rushed. As such, your first process task of the semester will be creating a teamwork contract with your teammates. It is a 1 - 2 page document containing information that all teammates agree to follow. You should work on the contract with all members present . We recommend that you keep it to around 1 page, 2 page is a hard limit. Additionally, it is more important that you only include statements that the team will adhere to than it is to fulfill the length requirement (quality over quantity!) You do not need to write full sentences (bullet points are okay), but your decisions must be clearly conveyed in the document. You are free to include anything that your team deems necessary, but you should minimally address the following sections: Expectations How much time is each team member expected to be putting into working on projects? Punctuality? How would your team accommodate when unexpected commitments come up for a team member (e.g. interviews, sickness, competitions)? Do accommodate for the fact that project load can get heavier towards the end of the semester. Communication What platform (s) will your team be using to communicate? What\u2019s the expected time to get a response? For any communication platforms you decide on, please test that everyone can receive notifications. We highly recommend using apps (Slack, Discord) over browser-based sites. Meeting Schedule When and how will your team meet? What modality would it be? A strong recommendation would be to set up a recurring 1hr meeting blocked out for the rest of the semester, so that your team does not have to scramble to find a common meeting time each week. Teams that have recurring meetings are generally more successful in the class. Responsibilities How will you divide responsibilities for each project? During meetings, who will be in charge of note taking, organizing & running those meetings? From past courses, we noticed the natural emergence of a project manager in teams, who ensures the project moves towards completion. We highly suggest that you consider how your team would rotate that role amongst team members over the course of the remaining projects. Throughout the semester, we will ask for documentation of your meeting notes, so be sure to keep them organized (we recommend using a shared Drive folder). Equitable Contribution & Conflict Resolution What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? What are the steps to bring up and discuss potential teamwork issues? The first thing the staff will ask the student when they mention that they are facing team issues is if they have followed the steps on their team contract. Feel free to seek the assistance of TA and instructor in drafting this document. Note We will ask you to reference, reflect upon, and refine this document throughout this semester, and we will evaluate your team's process strategies and interactions through what you outline in this contract. Please ensure that everyone on your team thoroughly discusses each of the above sections and agree with the final decisions. Once you have completed the contract itself, have all members sign and date the document as an indicator that all members have read the document and agreed to uphold all outlined items. Then, save the file as a PDF and upload it to Gradescope. Only one team member needs to make the submission; they can then add the rest of the teammates as group members for a group submission. We also highly recommend that you bookmark the teamwork contract in your team\u2019s Slack channel. Project Planning (40 pts) \u00b6 Before your team jumps into development, you must first determine what features to implement. Schedule and hold an initial project planning meeting with your team to complete the steps outlined below. Functional Requirements - User Stories \u00b6 During this meeting, discuss potential functional requirements of this project. Consider what possible use cases may be for this system and what features it should have to fulfill those needs. Then, document these functional requirements in the form of user stories that follow the guidelines discussed in lecture. All of your user stories should be in the format of \"As a [role], I want [function], so that [value]\". You should come up with at least two user stories per student in your group. Formulating User Stories Consider what are the different types of users that will be interacting with your system (your stakeholders) and what features they would want to have that the current NodeBB does not provide. You may want to reference features in existing Q&A systems (e.g. Piazza, Diderot) that may be desirable, or conduct interviews with your peers who could be a potential users of this system. As a team, you should then come up with a prioritization ranking for each user story. The prioritization should be based on two factors Impact : how essential is this user story to the overall functionality of the application to your stakeholders, how beneficial it would be to your stakeholders, and Effort : how much time/effort is required to implement this user story Once you have your list of user stories, create a new GitHub Project board (click into Projects on your team repository). Then create two new columns to the left called \"User Stories\" and \"Backlog\" . At this point in time, you should have \"User Stories\", \"Backlog\", \"To-Do\", \"In Progress\" and \"Done\" , in that order from left to right. Feel free to add more columns if your teams decide that you need them during your development process Add your user stories into the \"User Stories\" column using the \u201c+ Add item\u201d button at the bottom, create draft issues for each of your user stories.In the body of each of these draft issues, provide a brief but concrete justification of its prioritization ranking that your team decided on. You should order all the user stories in this column from highest to lowest priority. Technical Requirements - Issues \u00b6 Now that you have your prioritized list, consider the technical requirements of the various user stories and collectively decide on which one(s) you will be focusing on over the next two sprints. In this project (as like most projects), your team is aiming to maximize the amount of value you are delivering to your stakeholders given your constraints. Your selected user stories should have relatively high priority based on your team's ranking, and you should actively take factors into consideration that may impact your development. Selecting Appropriate User Stories Given the amount of variations in each team's user stories, it's hard to give concrete guideline on the number of user stories that a team needs to tackle. Teams could tackle 1 user story that requires major effort, or a few user stories that each requires lesser effort. In general, we are expecting that user stories be selected given: 2 sprints of 2 weeks each number of team members on your team assumption of 8 hours/week available per individual The course staff is happy to discuss this with your team during OH and we highly recommend you do so if your team is unsure. We will also be providing you with feedback during your first sprint's checkpoint presentation . The feature(s) you plan to implement should not be purely cosmetic or arbitrary. We expect this to be a non-issue as most high priority features to make NodeBB usable in a course environment would require changes that span across the development stack. Note An example of what would not be accepted is a cosmetic feature that only modifies a frontend UI component (i.e. changing the color of the navbar), or just the renaming of a field in the database. You may want to look ahead into parts 2B and 2C to check our specific requirements for your implementation. Convert the feature(s) you decide to implement into technical requirements (i.e. what needs to be developed for this feature to work). Then, break these requirements down into manageable, assignable issues and document them on your Project board by adding them to \u201cBacklog\u201d column. At minimum, these issues should make use of GitHub features like milestones/labels/descriptions to denote: Estimated effort for each task Dependencies among tasks (if any) Initial assignments for team members Milestones to indicate which sprint the issue should be completed in (Sprint 1, Sprint 2, Stretch) Acceptance criteria that describes how you know this task is done - think about how you will test this feature You should actively assign and move these issues across your Kanban board as your team makes progress. A Note on Grading We will not assess how accurately you predicted your development process, nor will we be giving points based on the complexity or quality of your changes. The focus of our evaluations will be on how you decompose the problem, how you respond to unexpected circumstances, and how you analyze and reflect on your experience later on. We will check your development progress at the end of each sprint. Please be proactive in your planning to ensure that you make notable progress in both of your sprints. We highly recommend reading ahead on what our expectations are for the end of each sprint as you plan your milestone goals. Include a link to your GitHub board in your Gradescope submission. If you are unsure about your planned changes, you can ask for feedback from a member of the course staff! Extra Credit (8 pts) \u00b6 Getting to know your colleagues in a friendly context can often lead to more effective collaboration; for example, healthy teams often get lunch together. To incentivize this, we will give your team extra credit for this assignment if you meet for a team bonding experience outside of a working session. You might want to eat together, go out for boba, or hold a board game session. If someone on your team is not feeling well, you may also do a virtual activity such as an online gaming session (Drawphone, Skribbl.io, etc.) or social \"Zoom lunch\". To receive extra credit, share the photo or screenshot of your team activity with your CA mentor by sending it in your team Slack channel before the deadline. We encourage you to do these types of meetings often throughout the semester! Grading \u00b6 To receive full credit for the teamwork contract, we expect: All sections listed above are addressed in a roughly 1-2 page PDF document submitted to Gradescope Document demonstrates a clear process outline that was discussed between and agreed upon by the teammates All group members\u2019 signatures at the end of the document To receive full credit for the project planning, we expect: A GitHub project board linked to your team repository with: A User Story column containing at least two user stories per group member that satisfy the guidelines outlined in the sections above and in lecture A Backlog column containing a series of GitHub issues describing the feature(s) that the team will tackle. Each issue makes use of GitHub features to denote all of the required information listed above","title":"Project 2A: Collaborative Development"},{"location":"projects/P2/1_teamprocess/#project-2a-collaborative-development","text":"","title":"Project 2A: Collaborative Development"},{"location":"projects/P2/1_teamprocess/#deliverables","text":"Team Process & Planning \u2013 80 points \u2013 due Thursday, September 7th, 11:59pm Prerequisite: Team Setup Teamwork Contract (40 pts) Project Planning (40 pts) Extra Credit (8 pts)","title":"Deliverables"},{"location":"projects/P2/1_teamprocess/#team-setup","text":"","title":"Team Setup"},{"location":"projects/P2/1_teamprocess/#slack-channel","text":"On the 17-313Q Slack workspace, create a new private Slack channel that includes all your team members and the CA who is your team mentor. Use this Slack channel to collectively decide on a team name . Your team name should be unique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children. Once you have a team name, rename your team Slack channel to #team- . You can use this Slack channel for subsequent project-team related discussions or specialized Q&A with your TA mentors for the rest of the semester.","title":"Slack Channel"},{"location":"projects/P2/1_teamprocess/#github-repository","text":"You will be working on your team repository for this project. Once you have decided on a team name, go to the link below to set up your team: https://classroom.github.com/a/6U8xuKTF Warning After you join a team on GitHub, you cannot change teams! Make sure that only one of you creates the team, and make sure that the remaining teammates join the right team. Once you enter your team name, Github will automatically create a repository for your team. You should then create a Github Project board for your repository (you can follow the steps from the GitHub Exercise or the first recitation). You should use this team repository for all your development, and be sure to use good development practices, including keeping your commits cohesive and your commit messages informative. The same resources mentioned above provide more details on our guidelines. We will be grading you on how well you follow the process we used for Project 1 and utilize this Project board: Create issues for feature improvements or bug-fixes When creating issue, assign team members and tag with appropriate labels Create a pull request and reference the issue it will be resolving Provide feedback to pull requests Use a Kanban board to track your workflow For this project, you will create issues or pull requests directly in your team repository . We will use your commit history and issue/pull request activity on Github to assess both your teamwork process and each member\u2019s individual contributions towards the project. It is not acceptable for one person to commit all the work after synchronizing through other means. For each code-based deliverable, we will look at a snapshot of your repository at the deadline. This will often be done by asking you for a screenshot or commit link submitted via Gradescope.","title":"GitHub Repository"},{"location":"projects/P2/1_teamprocess/#teamwork-self-assessment","text":"As the course moves into team-based projects, we will be releasing weekly self-assessments on Gradescope, each worth one participation point. These are meant to be short surveys and should not take more than a few minutes. They are intended to help you reflect on your team's process and prompt you to think about how to improve it. The first one will be released on Thursday, August 31st and due the following Thursday, September 7th (both at 11:59pm).","title":"Teamwork Self-Assessment"},{"location":"projects/P2/1_teamprocess/#main-deliverables","text":"","title":"Main Deliverables"},{"location":"projects/P2/1_teamprocess/#teamwork-contract-40-pts","text":"When working with a team, it is important to discuss each team member\u2019s background, and establish common expectations of the team. Miscommunication or the general lack of communication are often the most common causes of team conflict. Team Conflict Example A common conflict in working style is when there are team members who always want to get a headstart on their work, while there are team members who are fine with doing work a few days before the deadline. It causes panic in the former team members, while the latter team members feel frustrated as to why they are being rushed. As such, your first process task of the semester will be creating a teamwork contract with your teammates. It is a 1 - 2 page document containing information that all teammates agree to follow. You should work on the contract with all members present . We recommend that you keep it to around 1 page, 2 page is a hard limit. Additionally, it is more important that you only include statements that the team will adhere to than it is to fulfill the length requirement (quality over quantity!) You do not need to write full sentences (bullet points are okay), but your decisions must be clearly conveyed in the document. You are free to include anything that your team deems necessary, but you should minimally address the following sections: Expectations How much time is each team member expected to be putting into working on projects? Punctuality? How would your team accommodate when unexpected commitments come up for a team member (e.g. interviews, sickness, competitions)? Do accommodate for the fact that project load can get heavier towards the end of the semester. Communication What platform (s) will your team be using to communicate? What\u2019s the expected time to get a response? For any communication platforms you decide on, please test that everyone can receive notifications. We highly recommend using apps (Slack, Discord) over browser-based sites. Meeting Schedule When and how will your team meet? What modality would it be? A strong recommendation would be to set up a recurring 1hr meeting blocked out for the rest of the semester, so that your team does not have to scramble to find a common meeting time each week. Teams that have recurring meetings are generally more successful in the class. Responsibilities How will you divide responsibilities for each project? During meetings, who will be in charge of note taking, organizing & running those meetings? From past courses, we noticed the natural emergence of a project manager in teams, who ensures the project moves towards completion. We highly suggest that you consider how your team would rotate that role amongst team members over the course of the remaining projects. Throughout the semester, we will ask for documentation of your meeting notes, so be sure to keep them organized (we recommend using a shared Drive folder). Equitable Contribution & Conflict Resolution What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? What are the steps to bring up and discuss potential teamwork issues? The first thing the staff will ask the student when they mention that they are facing team issues is if they have followed the steps on their team contract. Feel free to seek the assistance of TA and instructor in drafting this document. Note We will ask you to reference, reflect upon, and refine this document throughout this semester, and we will evaluate your team's process strategies and interactions through what you outline in this contract. Please ensure that everyone on your team thoroughly discusses each of the above sections and agree with the final decisions. Once you have completed the contract itself, have all members sign and date the document as an indicator that all members have read the document and agreed to uphold all outlined items. Then, save the file as a PDF and upload it to Gradescope. Only one team member needs to make the submission; they can then add the rest of the teammates as group members for a group submission. We also highly recommend that you bookmark the teamwork contract in your team\u2019s Slack channel.","title":"Teamwork Contract (40 pts)"},{"location":"projects/P2/1_teamprocess/#project-planning-40-pts","text":"Before your team jumps into development, you must first determine what features to implement. Schedule and hold an initial project planning meeting with your team to complete the steps outlined below.","title":"Project Planning (40 pts)"},{"location":"projects/P2/1_teamprocess/#extra-credit-8-pts","text":"Getting to know your colleagues in a friendly context can often lead to more effective collaboration; for example, healthy teams often get lunch together. To incentivize this, we will give your team extra credit for this assignment if you meet for a team bonding experience outside of a working session. You might want to eat together, go out for boba, or hold a board game session. If someone on your team is not feeling well, you may also do a virtual activity such as an online gaming session (Drawphone, Skribbl.io, etc.) or social \"Zoom lunch\". To receive extra credit, share the photo or screenshot of your team activity with your CA mentor by sending it in your team Slack channel before the deadline. We encourage you to do these types of meetings often throughout the semester!","title":"Extra Credit (8 pts)"},{"location":"projects/P2/1_teamprocess/#grading","text":"To receive full credit for the teamwork contract, we expect: All sections listed above are addressed in a roughly 1-2 page PDF document submitted to Gradescope Document demonstrates a clear process outline that was discussed between and agreed upon by the teammates All group members\u2019 signatures at the end of the document To receive full credit for the project planning, we expect: A GitHub project board linked to your team repository with: A User Story column containing at least two user stories per group member that satisfy the guidelines outlined in the sections above and in lecture A Backlog column containing a series of GitHub issues describing the feature(s) that the team will tackle. Each issue makes use of GitHub features to denote all of the required information listed above","title":"Grading"},{"location":"projects/P2/2_firstsprint/","text":"Project 2B: Collaborative Development \u00b6 Deliverables \u00b6 First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st Process & Implementation Interim (50 pts) \u00b6 Start by cloning the team repository and merging your individual changes from Project 1 into your team repository using proper git flow. You may also delete the hw1.yaml workflow found in .github/workflows . Once everyone has properly set up the repository on their local machines and committed their changes, you can now start development. What if I did not successfully translate my file in Project 1? If you do not need to modify that file in order to implement your team's feature, then you do not need to merge your file into your repository. You will not be penalized for not merging in your Project 1 file. You should follow best practices for collaborative development such as using feature branches, pull requests, and code review. Individual changes should be committed to properly named branches for each core feature being implemented and make use of pull requests to merge changes together. Be sure to review each other\u2019s code - both from a quality assurance standpoint, but also so you have a better understanding of the codebase. Although code reviews can be done asynchronously, we encourage the first few to be done synchronously so you can discuss the changes with your teammates and learn more about the codebase. To fit with the translation efforts described in Project 1, any new code introduced to the codebase should be in TypeScript . This does mean that you may need to translate existing files to fulfill this requirement. Using Translations from Project 1 Most of the existing files should have been translated by your classmates in Project 1! Feel free to reference their translations for your own uses - for citation purposes, include a short comment at the top of your file that cites the original translator and a link to where you found the translation, for example: // Referenced @student\u2019s TypeScript translation from P1: [PR link] Every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there. Checkpoint Presentation (50 pts) \u00b6 During the Week 5 recitation slot ( Thursday September 21st ), your group will give a 7-minute presentation describing your current progress, followed by a short 1-2 minute Q&A session where you can get feedback from the CAs and your peers. Your slides should include the following information (the recommended slides amount is in parentheses): Title Slide (1 slide) Include your team name & the names of each team member Project Planning (~1-2 slides) What user stories did your team choose to focus on? What feature(s) did you plan on implementing to fulfill them? Development Progress (~1-2 slides per person) What have you changed so far? How did you test your changes? What have you learned about the codebase? How does this compare with your original milestone goals? If your team did not meet your goals, why? Each team member should describe the contributions they made. In this section, you must include a video demo of your current progress; if you were not able to make a working build, include screenshots that show your current progress and clearly explain what factors impeded your progress. Process Overview (~1-2 slides) What process strategies (i.e. meeting frequency, code reviews) did your team use for the first sprint? Was it effective? Did you encounter any difficulties or have to make any changes? Looking Ahead (~2-4 slides) What are some current risks and/or questions that your team has after completing the first sprint? Has your experience with the first sprint affected your planning of the second sprint? Do you need to rescope? Do you need to reevaluate your process? If you did not meet your development goals, you should outline what you plan to proactively change for this upcoming sprint. A Note on Participation Participation from all team members during the presentation is required. If you are unable to attend in-person, send a Slack message to the course staff with justifications at least 24 hours before the start of the recitation . You will then be permitted to present by submitting a recording of your segment of the presentation, which your teammate will play during the presentation. The presentation slides should be exported into a PDF and submitted to Gradescope by the Thursday deadline. Grading \u00b6 To receive full credit for the implementation, we expect: Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the current progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits To receive full credit for the presentation, we expect: All team members to be present for the presentation (or have contacted the instructor ahead of time to request an absence) and to contribute towards presenting their team\u2019s progress All of the material described above covered in the presentation PDF Slides uploaded to Gradescope for grading & feedback Resources & Documentation \u00b6 NodeBB Development \u00b6 We highly recommend that, before starting development, you take the time to analyze the codebase with your team using the code archaeology techniques you have learned. One good place to start is determining where the MVC (or frontend/middleware/backend) split is and trying to make a small change in each section. You will find some resources to help you with development in the README of the NodeBB repository. Here are a few specific links to get you started: NodeBB Documentation Frontend Development: Benchpress Documentation Bootstrap 3 Documentation Server Development: Node.js Documentation Database/Backend: Redis Documentation Redis CLI","title":"Project 2B: Collaborative Development"},{"location":"projects/P2/2_firstsprint/#project-2b-collaborative-development","text":"","title":"Project 2B: Collaborative Development"},{"location":"projects/P2/2_firstsprint/#deliverables","text":"First Sprint \u2013 100 points \u2013 due Tuesday, September 19th, 11:59pm Process & Implementation Interim Snapshot (50 pts) Checkpoint Presentation (50 pts) - Held in Recitation on Thursday, September 21st","title":"Deliverables"},{"location":"projects/P2/2_firstsprint/#process-implementation-interim-50-pts","text":"Start by cloning the team repository and merging your individual changes from Project 1 into your team repository using proper git flow. You may also delete the hw1.yaml workflow found in .github/workflows . Once everyone has properly set up the repository on their local machines and committed their changes, you can now start development. What if I did not successfully translate my file in Project 1? If you do not need to modify that file in order to implement your team's feature, then you do not need to merge your file into your repository. You will not be penalized for not merging in your Project 1 file. You should follow best practices for collaborative development such as using feature branches, pull requests, and code review. Individual changes should be committed to properly named branches for each core feature being implemented and make use of pull requests to merge changes together. Be sure to review each other\u2019s code - both from a quality assurance standpoint, but also so you have a better understanding of the codebase. Although code reviews can be done asynchronously, we encourage the first few to be done synchronously so you can discuss the changes with your teammates and learn more about the codebase. To fit with the translation efforts described in Project 1, any new code introduced to the codebase should be in TypeScript . This does mean that you may need to translate existing files to fulfill this requirement. Using Translations from Project 1 Most of the existing files should have been translated by your classmates in Project 1! Feel free to reference their translations for your own uses - for citation purposes, include a short comment at the top of your file that cites the original translator and a link to where you found the translation, for example: // Referenced @student\u2019s TypeScript translation from P1: [PR link] Every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.","title":"Process & Implementation Interim (50 pts)"},{"location":"projects/P2/2_firstsprint/#checkpoint-presentation-50-pts","text":"During the Week 5 recitation slot ( Thursday September 21st ), your group will give a 7-minute presentation describing your current progress, followed by a short 1-2 minute Q&A session where you can get feedback from the CAs and your peers. Your slides should include the following information (the recommended slides amount is in parentheses): Title Slide (1 slide) Include your team name & the names of each team member Project Planning (~1-2 slides) What user stories did your team choose to focus on? What feature(s) did you plan on implementing to fulfill them? Development Progress (~1-2 slides per person) What have you changed so far? How did you test your changes? What have you learned about the codebase? How does this compare with your original milestone goals? If your team did not meet your goals, why? Each team member should describe the contributions they made. In this section, you must include a video demo of your current progress; if you were not able to make a working build, include screenshots that show your current progress and clearly explain what factors impeded your progress. Process Overview (~1-2 slides) What process strategies (i.e. meeting frequency, code reviews) did your team use for the first sprint? Was it effective? Did you encounter any difficulties or have to make any changes? Looking Ahead (~2-4 slides) What are some current risks and/or questions that your team has after completing the first sprint? Has your experience with the first sprint affected your planning of the second sprint? Do you need to rescope? Do you need to reevaluate your process? If you did not meet your development goals, you should outline what you plan to proactively change for this upcoming sprint. A Note on Participation Participation from all team members during the presentation is required. If you are unable to attend in-person, send a Slack message to the course staff with justifications at least 24 hours before the start of the recitation . You will then be permitted to present by submitting a recording of your segment of the presentation, which your teammate will play during the presentation. The presentation slides should be exported into a PDF and submitted to Gradescope by the Thursday deadline.","title":"Checkpoint Presentation (50 pts)"},{"location":"projects/P2/2_firstsprint/#grading","text":"To receive full credit for the implementation, we expect: Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the current progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits To receive full credit for the presentation, we expect: All team members to be present for the presentation (or have contacted the instructor ahead of time to request an absence) and to contribute towards presenting their team\u2019s progress All of the material described above covered in the presentation PDF Slides uploaded to Gradescope for grading & feedback","title":"Grading"},{"location":"projects/P2/2_firstsprint/#resources-documentation","text":"","title":"Resources & Documentation"},{"location":"projects/P2/2_firstsprint/#nodebb-development","text":"We highly recommend that, before starting development, you take the time to analyze the codebase with your team using the code archaeology techniques you have learned. One good place to start is determining where the MVC (or frontend/middleware/backend) split is and trying to make a small change in each section. You will find some resources to help you with development in the README of the NodeBB repository. Here are a few specific links to get you started: NodeBB Documentation Frontend Development: Benchpress Documentation Bootstrap 3 Documentation Server Development: Node.js Documentation Database/Backend: Redis Documentation Redis CLI","title":"NodeBB Development"},{"location":"projects/P2/3_secondsprint/","text":"Project 2C: Collaborative Development \u00b6 Deliverables \u00b6 Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Process & Team Reflection (50 pts) Individual Reflection (30 pts) Process & Implementation Final (60 pts) \u00b6 Continue working on the implementation of your feature(s). Be sure to continue following best practices for collaborative development similar to the previous sprint. As you become more familiar with the codebase, we have higher expectations for the final deliverables of this sprint. Specifically, along with your feature changes, we expect to see: Automated Tests Add tests to the test suite that demonstrate the functionalities you implemented These should follow the acceptance criteria you set from the initial planning User Documentation Create a new file UserGuide.md in the root directory of your repository In this file, provide a detailed outline of how to use and user test your new feature(s) You should also provide a link/description of where your added automated tests can be found, along with a description of what is being tested and why you believe the tests are sufficient for covering the changes that you have made GitHub Actions GitHub Actions should be enabled. It is reasonable to have failures in feature branches, but you should do your best to make your main branch build consistently pass. As with the first sprint, every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there. Process & Team Reflection (50 pts) \u00b6 After coding is complete, reflect on your experience as a team. Again, we look for honest reflection, which will likely include reflection on failures. We will not grade whether you predicted the effort correctly, but rather what you have learned . You will see the following groups of questions on Gradescope. We recommend that your team use collaborative text editing tools like Google Docs to draft your answers, then submit your final answers to Gradescope. Actual Schedule: Document the actual schedule of your development process into either an organized list or table. You should include all of the tasks that each team member actually performed and the approximate amount of time each took. Your commit history and other documentation should help you with this. Schedule Deviations: Reflect on the differences between your planned and actual schedule, and answer the following questions: Which milestones were predicted correctly and what was re-planned? Was there anything you did not plan for initially or that you had to drop in the end? What were the reasons for the above changes and could they have been foreseen with better planning? Development Process: Reflect on the process (specifically, the steps each team member took to contribute to the codebase) you followed during the project, and answer the following questions: What was the process you initially planned to follow? What was the process you actually followed? Was the process effective? Why or why not? Did you skip steps or adopt additional techniques during the project? What were they and why did you do so? Meeting Minutes: Attach all meeting minutes kept throughout the project, which should include information about the agenda/topics discussed, decisions made, and work assignments. Team Experience: Reflect on your experience working as a team. You should discuss as a team on the aspects of communication, scheduling, responsibilities and equitable contributions. Answer the following points by providing at least three actions that your team will take to improve in the future (feel free to have more than one in category and zero in another, they should just add up to three): What should your team keep doing? What worked well, and why? What should your team start doing? What didn't work so well, and why? What will you do differently? What should your team stop doing? What are some bad habits that your team should avoid in the future and why? Support your claims You should reference your meeting minutes to support your claims and provide examples. A weakly supported statement would be as follows: \u201cWe will communicate better, because miscommunication caused issues\" You should support your statements with examples from the development experience. For example: \"In the future, we will try to use [such-and-such a process] for clearly documenting and communicating such design decisions, rather than [the process we did follow/failed to follow]. One of our [main challenges/development slowdown/quality problems] was the integration of components A and B, because the API for A was not well-understood by the developer of B. \" Teamwork Contract: Based on the process and team reflection above, update your teamwork contract. Did you encounter any issues or unexpected experiences that your original contract did not foresee? Feel free to add in any other clauses if necessary to your team contract. Upload your new teamwork contract (be sure to sign and date it), and highlight the changes you made in yellow. Being able to communicate effectively is an important software engineering skill. As such, your reflection should be well-written and easy to read. Be sure to leave time after writing for revision and proofreading. Reflection Grading One of the main purposes of this project is to encourage in-depth analysis of the reasons for good or bad time estimation, scheduling, and teamwork coordination. Doing poorly in these is not unusual (as numerous reports from real-life projects show). We will not evaluate how well (or badly) the project went, but instead how well you understood the reasons why the project went as it did, and what lessons you drew from your experience to inform your future work. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support the claims. Individual Reflection (30 pts) \u00b6 In addition to the team reflection, you will also be submitting an individual reflection on Gradescope. We want you to connect this project's experience with your previous experience with collaborative development. Your previous experience may be from an academic or non-academic setting, such as internships, hackathons, or personal projects. Your reflection should address the following questions (and sub-questions): What previous collaborative projects have you done before? How does this project experience compare with your previous experience? What was similar and what was different? What did you personally learn from this project\u2019s development process? Process here refers to the steps you took to contribute to the codebase. What did you think worked well? What did you think did not work well? Was there anything unexpected? What did you learn about working in a team? What did you learn about yourself? What did you learn about working with others? What are you planning to do differently or improve upon in your future projects? What would you like to keep doing? Provide at least one concrete action that you plan on acting upon in the next project. Similar to the team reflection task, we will grade the quality and depth of your reflection. Grading \u00b6 To receive full credit for the implementation, we expect: Progress from Interim Snapshot Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the final progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits Additional Requirements for Final Submission Automated test cases for the implemented functionalities GitHub Actions running on the repository and passing on the main branch Created UserGuide.md file containing user documentation of the new feature that fulfills the guidelines given above A functional new feature that works when following the steps in UserGuide.md . Note that we aren't expecting the feature to be bug free, but it should work under general expected usage. To receive full credit for the process and team reflections, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between the planned and the actual schedule An analysis beyond mere descriptions and superficial statements, including supporting evidence for claims, that reflects on the causes of deviations, conflicts, and so forth, or your own experience Inclusion of meeting minutes(s) that adequately demonstrate your team\u2019s meeting process At least three concrete actions with that your team will either start, stop, or keep doing in the future, with proper justification and supporting evidence To receive full credit for the individual reflection, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between current and previous experience A reflection on the development process, including what worked well and what did not work well A reflection on working in a team, with learnings about self and working with others At least one concrete action that you will act upon in the future, with proper justification and supporting evidence Resources & Documentation \u00b6 NodeBB Development \u00b6 By now, you should be familiar enough with the codebase to finish making the remainder of your changes. The additional focus of this second sprint is on testing your code; hence, documentation related to the testing framework will be very helpful. As with before, you will find some resources to help you with development in the README of the NodeBB repository. You will now want to check the testing section for resources on the Mocha test framework: Mocha Documentation Everything from the \"Getting Started\" section and below is documentation on how the framework works. You can also reference existing tests!","title":"Project 2C: Collaborative Development"},{"location":"projects/P2/3_secondsprint/#project-2c-collaborative-development","text":"","title":"Project 2C: Collaborative Development"},{"location":"projects/P2/3_secondsprint/#deliverables","text":"Second Sprint \u2013 140 points \u2013 due Thursday, October 5th, 11:59pm Process & Implementation Final Snapshot (60 pts) Process & Team Reflection (50 pts) Individual Reflection (30 pts)","title":"Deliverables"},{"location":"projects/P2/3_secondsprint/#process-implementation-final-60-pts","text":"Continue working on the implementation of your feature(s). Be sure to continue following best practices for collaborative development similar to the previous sprint. As you become more familiar with the codebase, we have higher expectations for the final deliverables of this sprint. Specifically, along with your feature changes, we expect to see: Automated Tests Add tests to the test suite that demonstrate the functionalities you implemented These should follow the acceptance criteria you set from the initial planning User Documentation Create a new file UserGuide.md in the root directory of your repository In this file, provide a detailed outline of how to use and user test your new feature(s) You should also provide a link/description of where your added automated tests can be found, along with a description of what is being tested and why you believe the tests are sufficient for covering the changes that you have made GitHub Actions GitHub Actions should be enabled. It is reasonable to have failures in feature branches, but you should do your best to make your main branch build consistently pass. As with the first sprint, every member of your team must contribute to the implementation. One way we will evaluate this is that each team member must have at least one commit as a part of the solution. Failure to do so will result in a significant penalty to your grade. You must commit all of your changes to the main branch of your team repository before the homework deadline. Unlike the previous assignment, you should not submit your changes to the parent NodeBB repository. Submit a link to your repository and your Github Project board onto Gradescope. For grading, we will take a snapshot of your repository and board right at the deadline and grade based on your progress there.","title":"Process & Implementation Final (60 pts)"},{"location":"projects/P2/3_secondsprint/#process-team-reflection-50-pts","text":"After coding is complete, reflect on your experience as a team. Again, we look for honest reflection, which will likely include reflection on failures. We will not grade whether you predicted the effort correctly, but rather what you have learned . You will see the following groups of questions on Gradescope. We recommend that your team use collaborative text editing tools like Google Docs to draft your answers, then submit your final answers to Gradescope. Actual Schedule: Document the actual schedule of your development process into either an organized list or table. You should include all of the tasks that each team member actually performed and the approximate amount of time each took. Your commit history and other documentation should help you with this. Schedule Deviations: Reflect on the differences between your planned and actual schedule, and answer the following questions: Which milestones were predicted correctly and what was re-planned? Was there anything you did not plan for initially or that you had to drop in the end? What were the reasons for the above changes and could they have been foreseen with better planning? Development Process: Reflect on the process (specifically, the steps each team member took to contribute to the codebase) you followed during the project, and answer the following questions: What was the process you initially planned to follow? What was the process you actually followed? Was the process effective? Why or why not? Did you skip steps or adopt additional techniques during the project? What were they and why did you do so? Meeting Minutes: Attach all meeting minutes kept throughout the project, which should include information about the agenda/topics discussed, decisions made, and work assignments. Team Experience: Reflect on your experience working as a team. You should discuss as a team on the aspects of communication, scheduling, responsibilities and equitable contributions. Answer the following points by providing at least three actions that your team will take to improve in the future (feel free to have more than one in category and zero in another, they should just add up to three): What should your team keep doing? What worked well, and why? What should your team start doing? What didn't work so well, and why? What will you do differently? What should your team stop doing? What are some bad habits that your team should avoid in the future and why? Support your claims You should reference your meeting minutes to support your claims and provide examples. A weakly supported statement would be as follows: \u201cWe will communicate better, because miscommunication caused issues\" You should support your statements with examples from the development experience. For example: \"In the future, we will try to use [such-and-such a process] for clearly documenting and communicating such design decisions, rather than [the process we did follow/failed to follow]. One of our [main challenges/development slowdown/quality problems] was the integration of components A and B, because the API for A was not well-understood by the developer of B. \" Teamwork Contract: Based on the process and team reflection above, update your teamwork contract. Did you encounter any issues or unexpected experiences that your original contract did not foresee? Feel free to add in any other clauses if necessary to your team contract. Upload your new teamwork contract (be sure to sign and date it), and highlight the changes you made in yellow. Being able to communicate effectively is an important software engineering skill. As such, your reflection should be well-written and easy to read. Be sure to leave time after writing for revision and proofreading. Reflection Grading One of the main purposes of this project is to encourage in-depth analysis of the reasons for good or bad time estimation, scheduling, and teamwork coordination. Doing poorly in these is not unusual (as numerous reports from real-life projects show). We will not evaluate how well (or badly) the project went, but instead how well you understood the reasons why the project went as it did, and what lessons you drew from your experience to inform your future work. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support the claims.","title":"Process & Team Reflection (50 pts)"},{"location":"projects/P2/3_secondsprint/#individual-reflection-30-pts","text":"In addition to the team reflection, you will also be submitting an individual reflection on Gradescope. We want you to connect this project's experience with your previous experience with collaborative development. Your previous experience may be from an academic or non-academic setting, such as internships, hackathons, or personal projects. Your reflection should address the following questions (and sub-questions): What previous collaborative projects have you done before? How does this project experience compare with your previous experience? What was similar and what was different? What did you personally learn from this project\u2019s development process? Process here refers to the steps you took to contribute to the codebase. What did you think worked well? What did you think did not work well? Was there anything unexpected? What did you learn about working in a team? What did you learn about yourself? What did you learn about working with others? What are you planning to do differently or improve upon in your future projects? What would you like to keep doing? Provide at least one concrete action that you plan on acting upon in the next project. Similar to the team reflection task, we will grade the quality and depth of your reflection.","title":"Individual Reflection (30 pts)"},{"location":"projects/P2/3_secondsprint/#grading","text":"To receive full credit for the implementation, we expect: Progress from Interim Snapshot Fulfillment of implementation goals as outlined by the planned milestones, or a clearly written justification in the milestone description of why elements fell through An updated Project Board for the final progress Reasonable code structure and style, including documentation where appropriate Coherent commits of reasonable size with meaningful commit messages by all team members High quality usage of Git/GitHub tools, such as issues, milestones, pull requests, and commits Additional Requirements for Final Submission Automated test cases for the implemented functionalities GitHub Actions running on the repository and passing on the main branch Created UserGuide.md file containing user documentation of the new feature that fulfills the guidelines given above A functional new feature that works when following the steps in UserGuide.md . Note that we aren't expecting the feature to be bug free, but it should work under general expected usage. To receive full credit for the process and team reflections, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between the planned and the actual schedule An analysis beyond mere descriptions and superficial statements, including supporting evidence for claims, that reflects on the causes of deviations, conflicts, and so forth, or your own experience Inclusion of meeting minutes(s) that adequately demonstrate your team\u2019s meeting process At least three concrete actions with that your team will either start, stop, or keep doing in the future, with proper justification and supporting evidence To receive full credit for the individual reflection, we expect: A detailed, well written, and well structured reflection on each of the provided guiding questions A comparison between current and previous experience A reflection on the development process, including what worked well and what did not work well A reflection on working in a team, with learnings about self and working with others At least one concrete action that you will act upon in the future, with proper justification and supporting evidence","title":"Grading"},{"location":"projects/P2/3_secondsprint/#resources-documentation","text":"","title":"Resources & Documentation"},{"location":"projects/P2/3_secondsprint/#nodebb-development","text":"By now, you should be familiar enough with the codebase to finish making the remainder of your changes. The additional focus of this second sprint is on testing your code; hence, documentation related to the testing framework will be very helpful. As with before, you will find some resources to help you with development in the README of the NodeBB repository. You will now want to check the testing section for resources on the Mocha test framework: Mocha Documentation Everything from the \"Getting Started\" section and below is documentation on how the framework works. You can also reference existing tests!","title":"NodeBB Development"},{"location":"projects/P3/","text":"Project 3: Continuous Integration + Deployment \u00b6 Learning Goals \u00b6 Learn how to deploy a full-stack application Gain hands-on experience with analysis tools, including setting up, customizing, and using them Practically assess and compare the costs and benefits of existing static and dynamic bug-finding tools Integrate CI/CD tools into development practice Project Context \u00b6 Adding continuous integration for quality assurance is a critical part of software development. Although you have been testing your new system this whole time, you are now setting out to establish sustained practices that can be used moving forward as you iterate over and continue to improve your system. Your manager has assigned you two major tasks. Firstly, establishing a deployment pipeline to create a test version of the website that can be sent to beta testers who have little to no experience with code development (and therefore can not set up the developer environment by themselves). Secondly, evaluating existing tools and practices beyond simple linting or unit testing, then producing a report on the cost/benefit tradeoffs and risks of them. You will also select and integrate one (or more!) of these tools into your development process. Deliverables and Deadlines \u00b6 There are two (2) deadlines for this project. This project is worth a total of 120 points. Checkpoint Deliverables \u2013 35 points \u2013 due Sunday, October 22, 11:59pm Deployed Application (25 pts) Tools Checkpoint (10 pts) Final Deliverables \u2013 65 points \u2013 due Sunday, October 29, 11:59pm Tool Analysis Design Doc (50 pts) Tool Integration (15 pts) Extra Credit (Individual) - 6 points - due Sunday, October 29, 11:59pm Feature Review (6 pts) Work Distribution There are two main focuses in this project: deployment and static/dynamic analysis. For the purposes of equitable distribution of labor, we recommend that you nominate one of your members to act as the SRE for this assignment who will be primarily responsible for deployment, and have all other teammates focus on tool research and integration. Checkpoint Deliverables \u00b6 Deployed Application (25 pts) \u00b6 Your team will be using Google Cloud Platform for the deployment of the NodeBB application. Further instructions on how to deploy can be found here . Once you have successfully deployed your website, make sure to test within your team to ensure that your added feature(s) from Project 2 are properly integrated. By the checkpoint deadline you should Submit a link to the deployed site onto Gradescope Add your deployed site to this public spreadsheet , alongside your team name & UserGuide.md (as a link to the file on GitHub) that your team submitted for Project 2. This will be used in Feature Review for extra credit. Tools Checkpoint (10 pts) \u00b6 Before jumping into tool integration, your manager would like you to research what existing analysis tools are out there that can be used with NodeBB. You will evaluate the tools, and eventually document your findings in a design document for your final deliverable. First, identify and experiment with at least N-1 potential static and dynamic analysis tools that are applicable to your system, where N is the number of people in your team. We provide a starter list of tools in the resources section below to help you get started, but you are not limited to these tools. In your selection of tools, you should have at least one static analysis tool have at least one dynamic analysis tool have at least one tool that is not from our starter list not use any of the existing tools within NodeBB as part of your analysis (mocha/ESLint/TSLint) For each tool that you assess Create a separate testing branch in your repository (named appropriately for the tool you\u2019re testing) to integrate the tool into your project and test out its capabilities Create a pull request to the main branch from each of these testing branches. The PR should have Concrete evidence that you had successfully installed the tool through trackable file changes demonstrating that extra files/NPM packages were installed. Artifacts that demonstrate that you have successfully run the tool on your repository. Acceptable artifacts include output files generated by the tool, or a text file containing the terminal output from the tool; you may also attach screenshots as additional pieces of evidence. They can be attached to the Pull Request in either the description or follow-up comments. Grading Note We will not be grading the quality or quantity of any code you put into these testing branches/PRs, just the evidence that you have successfully installed and run the tool. In your evaluations, consider & experiment with the types of customization that are appropriate or necessary for this tool, both a priori (before they can be used in your project) and over time. Assess the strengths and weaknesses of each tool/technique, both quantitatively and qualitatively. Consider some of the following questions: What types of problems are you hoping your tooling will catch? What types of problems does this particular tool catch? What types of customization are possible or necessary? How can/should this tool be integrated into a development process? Are there many false positives? False negatives? True positive reports about things you don\u2019t care about? Tool Evaluation There are a lot of different factors to consider when evaluating a tool. We recommend discussing with your teammates and deciding on a group of metrics to focus on when performing evaluations. Time Management Don\u2019t spend too long for this checkpoint. Set deadlines within your team to ensure that you have enough time for both the design document and integration deliverables described below for the final deadline. By the checkpoint deadline, your team will submit your initial list of the N-1 tools that your team plans on exploring, and links to the PRs that demonstrate that you have successfully installed and run each of these tools Final Deliverables \u00b6 Tool Analysis Design Doc (50 pts) \u00b6 Create a Design Document/RFC that includes: A tools evaluations section detailing your team\u2019s analysis on each of the tools you experimented with A justification section explaining which tool(s) you think the project should use moving forward An integration section describing how the selected tool(s) shall be integrated into your process A conclusion section summarizing your work Below, we provide more detailed instructions and page limit recommendations for each of the sections. Tool Evaluations (~N pages) \u00b6 For each of the N-1 tools explored by your team, you must provide: Name and high-level description of what the tool does and a link to its documentation/source Whether the tool is used for static or dynamic analysis A link to the pull request made from the testing branch for this tool A pro/con analysis of the tool and appropriate evidence in the form of screenshots to support your claims. You can use the questions provided in the research you did for the checkpoint to shape your analysis. Each of these sections should take up approximately 1 page (including screenshots) and no more than 2 pages. Justification (~Half a page) \u00b6 After going through each of the tools, you should explicitly state the tool(s) you are choosing to integrate for this project and provide a justification for why you are selecting this tool. You should refer to the pro/con analysis done in the prior sections and how they align with the goals of your team and the project overall. You must recommend at least one tool , even if it\u2019s with reservations. Integration (<1 page) \u00b6 This section should address the different factors to take into consideration when integrating a new tool. At minimum, you should address the following: Technical Questions How are you integrating the tool (high-level)? At what point in the development/deployment process shall it be integrated? What sorts of customization or configuration will you be using? If you added any specific configuration to allow the main branch of your repository to pass its status checks, add the justification for those decisions in this section. Social Integration Questions How do you foresee the team using the tool during their development process? Consider the incentives & deterrents to the developers when it comes to using the tool, and their personal motivation to use it. Your answers should be based on your experiences running the tools on your team repository and be grounded in data from your research on different factors such as tool usability, output, and customizability. Keep this section updated as you work on implementing the integration. Conclusion (<1 page) \u00b6 In this section, provide a brief summary of your findings along with items that were not addressed in the previous sections. Are there any open questions? Are there any issues you consider to be out of scope? What drawbacks of the proposed process/tooling are you accepting for some (good) reason? This section should be used to wrap everything up and ensure you have a good/complete design document! Submit the Design Document as a single PDF to Gradescope. Tool Integration (15 pts) \u00b6 Once you have a tool selected along with a general integration plan, you should fully integrate one of the tools into your project\u2019s workflow. For your checkpoint research, you should have successfully run this tool locally; you should then create a new workflow within the project to run it as part of the development cycle. Your team should discuss: How often should this new integration be run (on each pull request? on commits to main?) What level of customization is needed for this tool? How should the integration of this tool be enforced? This configuration must have been justified in your design document under the Integration section. To be considered successfully integrated, the tool must: Be merged into your main branch Have been run at least once in the Git flow cycle (i.e. either during the pull request, merge, or commit stage). Pass when run on your codebase. This is indicated by having a green checkmark. Ensuring Passing Checks In order to ensure your checks pass successfully, you may have to make additional changes to your repository, such as fixing reported issues or tweaking tool configuration. These changes should be documented and addressed in your design document. Continually failing builds show you have not completely integrated the tool into your workflow. On Gradescope, submit a link to your repository and a link to one of the successful GitHub Action runs. Extra Credit \u00b6 Now that you and your classmates have deployed your applications, you will be able to test out each other\u2019s features and provide constructive feedback on your experience and how to improve them! Take this as an opportunity to learn about what your classmates have been working on for the past few weeks. Note that this is an individual task, unlike the rest of project. Feature Review (6 pts) \u00b6 For extra credit, you will conduct reviews of features developed by three other teams' project. Pick three teams's deployment from the public spreadsheet to review. For each team, you will submit a review of their feature(s). You will need to test the feature(s) as described in their UserGuide and provide feedback on the following: How was the experience of using the feature(s), would this be something you think would help enable better communication between faculty and students and why? How do you think the feature can be improved? and/or What do you think the feature did well in? Did you discover any bugs using the feature(s)? To qualify for extra credit, you will have to submit your review: on Gradescope in the appropriate sheet in the public spreadsheet . There should be one sheet per team, and you should add your review to the sheet for the team you are reviewing. Grading \u00b6 To receive full credit for the checkpoint, we expect: A link to your successfully deployed web application for your team repository A list of N-1 different static and dynamic analysis tools, where N is the number of members on your team. This list must satisfy all the following criteria: Contain at least one static analysis tool Contain at least one dynamic analysis tool Contain at least one tool not on our starter list of tools Links to N-1 pull requests for each of the selected tools containing evidence of the tool being run at least once on your repository To receive full credit for the final deadline, we expect: A design document describing your research into each of the potential tools, justification for your selection of integrated tool(s), and your final integration plan A link to a successful run of a GitHub Action that demonstrates your integration of your selected tool(s) into your team workflow To receive full credit for the extra credit, we expect: Your review of three different teams' features on Gradescope and on the public spreadsheet , addressing the three questions described. Resources & Documentation \u00b6 Starter List of Tools \u00b6 NodeBB is built in Javascript/Typescript using Node.js and uses Benchpress for its frontend templating. Below are non-exhaustive lists of analysis tools that are available. For other resources, Awesome Static Analysis page and Awesome Dynamic Analysis page have extensive listings of available static and dynamic analysis tools for a pretty hefty list of programming languages. Some of the tools already have existing GitHub Actions workflows on GitHub Marketplace; use your Googling skills, and see what you find! Static Tools \u00b6 flow : Static type checker for JavaScript JScent : Program analyzer for detecting \u201ccode smells\u201d JSHint : Used to flag suspicious usage in JavaScript programs StandardJS / ts-standard : Static analysis tool for code quality within JavaScript/TypeScript projects Retire.js : Finds library/node module vulnerabilities within your project Dynamic Tools \u00b6 Iroh : Runtime code tracking and visualization Jalangi : Framework for dynamic analyses in JavaScript Fast-Fuzz : Fuzzing framework for TypeScript Stryker Mutator : Mutation testing tool for JavaScript","title":"Project 3: Continuous Integration + Deployment"},{"location":"projects/P3/#project-3-continuous-integration-deployment","text":"","title":"Project 3: Continuous Integration + Deployment"},{"location":"projects/P3/#learning-goals","text":"Learn how to deploy a full-stack application Gain hands-on experience with analysis tools, including setting up, customizing, and using them Practically assess and compare the costs and benefits of existing static and dynamic bug-finding tools Integrate CI/CD tools into development practice","title":"Learning Goals"},{"location":"projects/P3/#project-context","text":"Adding continuous integration for quality assurance is a critical part of software development. Although you have been testing your new system this whole time, you are now setting out to establish sustained practices that can be used moving forward as you iterate over and continue to improve your system. Your manager has assigned you two major tasks. Firstly, establishing a deployment pipeline to create a test version of the website that can be sent to beta testers who have little to no experience with code development (and therefore can not set up the developer environment by themselves). Secondly, evaluating existing tools and practices beyond simple linting or unit testing, then producing a report on the cost/benefit tradeoffs and risks of them. You will also select and integrate one (or more!) of these tools into your development process.","title":"Project Context"},{"location":"projects/P3/#deliverables-and-deadlines","text":"There are two (2) deadlines for this project. This project is worth a total of 120 points. Checkpoint Deliverables \u2013 35 points \u2013 due Sunday, October 22, 11:59pm Deployed Application (25 pts) Tools Checkpoint (10 pts) Final Deliverables \u2013 65 points \u2013 due Sunday, October 29, 11:59pm Tool Analysis Design Doc (50 pts) Tool Integration (15 pts) Extra Credit (Individual) - 6 points - due Sunday, October 29, 11:59pm Feature Review (6 pts) Work Distribution There are two main focuses in this project: deployment and static/dynamic analysis. For the purposes of equitable distribution of labor, we recommend that you nominate one of your members to act as the SRE for this assignment who will be primarily responsible for deployment, and have all other teammates focus on tool research and integration.","title":"Deliverables and Deadlines"},{"location":"projects/P3/#checkpoint-deliverables","text":"","title":"Checkpoint Deliverables"},{"location":"projects/P3/#deployed-application-25-pts","text":"Your team will be using Google Cloud Platform for the deployment of the NodeBB application. Further instructions on how to deploy can be found here . Once you have successfully deployed your website, make sure to test within your team to ensure that your added feature(s) from Project 2 are properly integrated. By the checkpoint deadline you should Submit a link to the deployed site onto Gradescope Add your deployed site to this public spreadsheet , alongside your team name & UserGuide.md (as a link to the file on GitHub) that your team submitted for Project 2. This will be used in Feature Review for extra credit.","title":"Deployed Application (25 pts)"},{"location":"projects/P3/#tools-checkpoint-10-pts","text":"Before jumping into tool integration, your manager would like you to research what existing analysis tools are out there that can be used with NodeBB. You will evaluate the tools, and eventually document your findings in a design document for your final deliverable. First, identify and experiment with at least N-1 potential static and dynamic analysis tools that are applicable to your system, where N is the number of people in your team. We provide a starter list of tools in the resources section below to help you get started, but you are not limited to these tools. In your selection of tools, you should have at least one static analysis tool have at least one dynamic analysis tool have at least one tool that is not from our starter list not use any of the existing tools within NodeBB as part of your analysis (mocha/ESLint/TSLint) For each tool that you assess Create a separate testing branch in your repository (named appropriately for the tool you\u2019re testing) to integrate the tool into your project and test out its capabilities Create a pull request to the main branch from each of these testing branches. The PR should have Concrete evidence that you had successfully installed the tool through trackable file changes demonstrating that extra files/NPM packages were installed. Artifacts that demonstrate that you have successfully run the tool on your repository. Acceptable artifacts include output files generated by the tool, or a text file containing the terminal output from the tool; you may also attach screenshots as additional pieces of evidence. They can be attached to the Pull Request in either the description or follow-up comments. Grading Note We will not be grading the quality or quantity of any code you put into these testing branches/PRs, just the evidence that you have successfully installed and run the tool. In your evaluations, consider & experiment with the types of customization that are appropriate or necessary for this tool, both a priori (before they can be used in your project) and over time. Assess the strengths and weaknesses of each tool/technique, both quantitatively and qualitatively. Consider some of the following questions: What types of problems are you hoping your tooling will catch? What types of problems does this particular tool catch? What types of customization are possible or necessary? How can/should this tool be integrated into a development process? Are there many false positives? False negatives? True positive reports about things you don\u2019t care about? Tool Evaluation There are a lot of different factors to consider when evaluating a tool. We recommend discussing with your teammates and deciding on a group of metrics to focus on when performing evaluations. Time Management Don\u2019t spend too long for this checkpoint. Set deadlines within your team to ensure that you have enough time for both the design document and integration deliverables described below for the final deadline. By the checkpoint deadline, your team will submit your initial list of the N-1 tools that your team plans on exploring, and links to the PRs that demonstrate that you have successfully installed and run each of these tools","title":"Tools Checkpoint (10 pts)"},{"location":"projects/P3/#final-deliverables","text":"","title":"Final Deliverables"},{"location":"projects/P3/#tool-analysis-design-doc-50-pts","text":"Create a Design Document/RFC that includes: A tools evaluations section detailing your team\u2019s analysis on each of the tools you experimented with A justification section explaining which tool(s) you think the project should use moving forward An integration section describing how the selected tool(s) shall be integrated into your process A conclusion section summarizing your work Below, we provide more detailed instructions and page limit recommendations for each of the sections.","title":"Tool Analysis Design Doc (50 pts)"},{"location":"projects/P3/#tool-integration-15-pts","text":"Once you have a tool selected along with a general integration plan, you should fully integrate one of the tools into your project\u2019s workflow. For your checkpoint research, you should have successfully run this tool locally; you should then create a new workflow within the project to run it as part of the development cycle. Your team should discuss: How often should this new integration be run (on each pull request? on commits to main?) What level of customization is needed for this tool? How should the integration of this tool be enforced? This configuration must have been justified in your design document under the Integration section. To be considered successfully integrated, the tool must: Be merged into your main branch Have been run at least once in the Git flow cycle (i.e. either during the pull request, merge, or commit stage). Pass when run on your codebase. This is indicated by having a green checkmark. Ensuring Passing Checks In order to ensure your checks pass successfully, you may have to make additional changes to your repository, such as fixing reported issues or tweaking tool configuration. These changes should be documented and addressed in your design document. Continually failing builds show you have not completely integrated the tool into your workflow. On Gradescope, submit a link to your repository and a link to one of the successful GitHub Action runs.","title":"Tool Integration (15 pts)"},{"location":"projects/P3/#extra-credit","text":"Now that you and your classmates have deployed your applications, you will be able to test out each other\u2019s features and provide constructive feedback on your experience and how to improve them! Take this as an opportunity to learn about what your classmates have been working on for the past few weeks. Note that this is an individual task, unlike the rest of project.","title":"Extra Credit"},{"location":"projects/P3/#feature-review-6-pts","text":"For extra credit, you will conduct reviews of features developed by three other teams' project. Pick three teams's deployment from the public spreadsheet to review. For each team, you will submit a review of their feature(s). You will need to test the feature(s) as described in their UserGuide and provide feedback on the following: How was the experience of using the feature(s), would this be something you think would help enable better communication between faculty and students and why? How do you think the feature can be improved? and/or What do you think the feature did well in? Did you discover any bugs using the feature(s)? To qualify for extra credit, you will have to submit your review: on Gradescope in the appropriate sheet in the public spreadsheet . There should be one sheet per team, and you should add your review to the sheet for the team you are reviewing.","title":"Feature Review (6 pts)"},{"location":"projects/P3/#grading","text":"To receive full credit for the checkpoint, we expect: A link to your successfully deployed web application for your team repository A list of N-1 different static and dynamic analysis tools, where N is the number of members on your team. This list must satisfy all the following criteria: Contain at least one static analysis tool Contain at least one dynamic analysis tool Contain at least one tool not on our starter list of tools Links to N-1 pull requests for each of the selected tools containing evidence of the tool being run at least once on your repository To receive full credit for the final deadline, we expect: A design document describing your research into each of the potential tools, justification for your selection of integrated tool(s), and your final integration plan A link to a successful run of a GitHub Action that demonstrates your integration of your selected tool(s) into your team workflow To receive full credit for the extra credit, we expect: Your review of three different teams' features on Gradescope and on the public spreadsheet , addressing the three questions described.","title":"Grading"},{"location":"projects/P3/#resources-documentation","text":"","title":"Resources & Documentation"},{"location":"projects/P3/#starter-list-of-tools","text":"NodeBB is built in Javascript/Typescript using Node.js and uses Benchpress for its frontend templating. Below are non-exhaustive lists of analysis tools that are available. For other resources, Awesome Static Analysis page and Awesome Dynamic Analysis page have extensive listings of available static and dynamic analysis tools for a pretty hefty list of programming languages. Some of the tools already have existing GitHub Actions workflows on GitHub Marketplace; use your Googling skills, and see what you find!","title":"Starter List of Tools"},{"location":"projects/P3/deployment/","text":"Serverless NodeBB Deployment on GCP \u00b6 This document will provide instructions to create a serverless deployment of NodeBB on GCP. Setup Redis Database on upstash \u00b6 We'll be using a database-as-a-service called upstash to host the Redis database associated with our NodeBB deployment. Visit upstash and create an account. Make sure Redis and selected, and click \"Create Database\" Name your database, select an appropriate region and hit \"Create\" You should see a page that contains the endpoint, port, password, and other details associated with the redis instance you just created. Update your Dockerfile \u00b6 To have all the packages we need to build NodeBB, we need to change our Dockerfile. Make the following change and push your changes to your repository. - RUN npm install --only=prod && \\ + RUN npm install && \\ Redeem your GCP Credits \u00b6 First, you need to redeem your GCP credits using the following instructions. Fill out the this form link with your first/last name, and Andrew ID Go to your school email and click the link in an email from \"Google Cloud Notifications\" to verify your email address Go back to your email, click on the link (\"click here to redeem\") within a second email from \"Google Cloud Notifications,\" and copy the provided code into the field within the new link Once you submit, a $50 credit should be applied to your GCP billing account. Do not misuse! We've been awarded enough credits such that each student in 17-313 can redeem one coupon. We'll be closely monitoring coupon redemption. Any and all misuse including sharing redemption instructions, redeeming multiple times, etc. will be punished. Deploy on GCP Cloud Run \u00b6 Make sure you're logged into the Google account you used to redeem your GCP credits. Once you're logged into the right credit-bearing Google account, use the following instructions to deploy on GCP Cloud Run. Create a project called \"NodeBB\" using the GCP Cloud Console (you can set the location to \"Students\") Visit the Cloud Run console and select the project you just created using the project selector drop down(top-left) Click on \"Create Service\" Select \"Continuously deploy new revisions from a source repository\" and click \"Set up with Cloud Build\" Set the Source repository to be your team's NodeBB repository - you may need to click on \"Manage connected repositories\" and authenticate with GitHub if you don't see the repository. Set the Build Type to the \"Dockerfile\" option In the \"Autoscaling\" section, set the minimum number of instances to 1 In the \"Authentication\" section select \"Allow unauthenticated invocations\" Click on the \"Container, Networking, and Security\" dropdown and set the \"Container Port\" to 4567 10.Click \"Create\" Once the deployment is complete, click on the URL of the form *.run.app at the top of the page to view the deployment. You should see a form that says \"NodeBB Web Installer\". Keep this URL handy because you'll need it later :) Create Config Script \u00b6 At this point, we could use the web installer to generate the config.json file in our container and setup NodeBB. However, since this a serverless deployment, we're not guaranteed any persistence of data generated at runtime. Therefore, we need to change our Dockerfile to generate the config.json file at build time of the container. To do so, first create a template file called config_template.json that looks exactly like the following, and push your changes to your repository. { \"url\": \"\", \"secret\": \"c5502d62-84a5-41f1-87eb-ee33a76fb7bc\", \"database\": \"redis\", \"redis\": { \"host\": \"\", \"port\": \"\", \"password\": \"\", \"database\": \"0\" }, \"port\": \"4567\" } Why can't we just push a pre-populated config.json file? This would solve the persistence problem and deploy NodeBB correctly. However, as a result, we expose secrets like the upstash redis connection details on a public GitHub repository. Injecting these secrets as environment variables at runtime gives our deployment access to them, while ensuring that the secrets remain secret. Configure the following environment variables by visiting the Cloud Run dashboard for your deployment, clicking on \"Edit and deploy new revision\" and then clicking on \"Add Variable\" in the \"Environment Variables\" section. DEPLOYMENT_URL : URL of the form *.run.app that your Cloud Run deployment is live at. REDIS_HOST : Endpoint value from your upstash redis database dashboard. REDIS_PORT : Port value from your upstash redis database dashboard. REDIS_PASSWORD : Password value from your upstash redis database dashboard. We'll now add a bash script that will populate this template with environment variables defined at build time of our Docker container. Create a file called create_config.sh in your NodeBB repo, and populate the file with the following bash script. #!/bin/bash # Check that environment variables have been defined if [[ -z \"${REDIS_HOST+x}\" ]]; then # var is not defined echo \"Error: REDIS_HOST is not defined!\" exit 1 fi if [[ -z \"${REDIS_PORT+x}\" ]]; then # var is not defined echo \"Error: REDIS_PORT is not defined!\" exit 1 fi if [[ -z \"${REDIS_PASSWORD+x}\" ]]; then # var is not defined echo \"Error: REDIS_PASSWORD is not defined!\" exit 1 fi if [[ -z \"${DEPLOYMENT_URL+x}\" ]]; then # var is not defined echo \"Error: DEPLOYMENT_URL is not defined!\" exit 1 fi # Read the JSON file json_data=$(cat \"/usr/src/app/config_template.json\") # Update the JSON file with the environment variables json_data=$(jq --arg deployment_url \"$DEPLOYMENT_URL\" '.url = $deployment_url' <<< \"$json_data\") json_data=$(jq --arg host \"$REDIS_HOST\" '.redis.host = $host' <<< \"$json_data\") json_data=$(jq --arg port \"$REDIS_PORT\" '.redis.port = $port' <<< \"$json_data\") json_data=$(jq --arg password \"$REDIS_PASSWORD\" '.redis.password = $password' <<< \"$json_data\") # Write the updated JSON file to config.json echo \"$json_data\" > \"/usr/src/app/config.json\" cat /usr/src/app/config.json Now, update your Dockerfile so that it looks like the following. FROM node:lts RUN mkdir -p /usr/src/app && \\ chown -R node:node /usr/src/app WORKDIR /usr/src/app RUN apt-get update && apt-get install -y jq ARG NODE_ENV ENV NODE_ENV $NODE_ENV COPY --chown=node:node install/package.json /usr/src/app/package.json USER node RUN npm install && \\ npm cache clean --force COPY --chown=node:node . /usr/src/app ENV NODE_ENV=production \\ daemon=false \\ silent=false EXPOSE 4567 RUN chmod +x create_config.sh CMD ./create_config.sh -n \"${SETUP}\" && ./nodebb setup || node ./nodebb build; node ./nodebb start We're making two changes here: (1) installing the jq package to read/edit json files from our bash script, and (2) running the create_config.sh script on container startup. Once you push your changes, a new deployment should get triggered and it should be good to go once complete. Congratulations! You've now setup a continuous deployment of NodeBB on GCP. Be sure to share the application link with your teammates to ensure they can also access the application and test that all your added features from Project 2 have been successfully applied.","title":"Serverless NodeBB Deployment on GCP"},{"location":"projects/P3/deployment/#serverless-nodebb-deployment-on-gcp","text":"This document will provide instructions to create a serverless deployment of NodeBB on GCP.","title":"Serverless NodeBB Deployment on GCP"},{"location":"projects/P3/deployment/#setup-redis-database-on-upstash","text":"We'll be using a database-as-a-service called upstash to host the Redis database associated with our NodeBB deployment. Visit upstash and create an account. Make sure Redis and selected, and click \"Create Database\" Name your database, select an appropriate region and hit \"Create\" You should see a page that contains the endpoint, port, password, and other details associated with the redis instance you just created.","title":"Setup Redis Database on upstash"},{"location":"projects/P3/deployment/#update-your-dockerfile","text":"To have all the packages we need to build NodeBB, we need to change our Dockerfile. Make the following change and push your changes to your repository. - RUN npm install --only=prod && \\ + RUN npm install && \\","title":"Update your Dockerfile"},{"location":"projects/P3/deployment/#redeem-your-gcp-credits","text":"First, you need to redeem your GCP credits using the following instructions. Fill out the this form link with your first/last name, and Andrew ID Go to your school email and click the link in an email from \"Google Cloud Notifications\" to verify your email address Go back to your email, click on the link (\"click here to redeem\") within a second email from \"Google Cloud Notifications,\" and copy the provided code into the field within the new link Once you submit, a $50 credit should be applied to your GCP billing account. Do not misuse! We've been awarded enough credits such that each student in 17-313 can redeem one coupon. We'll be closely monitoring coupon redemption. Any and all misuse including sharing redemption instructions, redeeming multiple times, etc. will be punished.","title":"Redeem your GCP Credits"},{"location":"projects/P3/deployment/#deploy-on-gcp-cloud-run","text":"Make sure you're logged into the Google account you used to redeem your GCP credits. Once you're logged into the right credit-bearing Google account, use the following instructions to deploy on GCP Cloud Run. Create a project called \"NodeBB\" using the GCP Cloud Console (you can set the location to \"Students\") Visit the Cloud Run console and select the project you just created using the project selector drop down(top-left) Click on \"Create Service\" Select \"Continuously deploy new revisions from a source repository\" and click \"Set up with Cloud Build\" Set the Source repository to be your team's NodeBB repository - you may need to click on \"Manage connected repositories\" and authenticate with GitHub if you don't see the repository. Set the Build Type to the \"Dockerfile\" option In the \"Autoscaling\" section, set the minimum number of instances to 1 In the \"Authentication\" section select \"Allow unauthenticated invocations\" Click on the \"Container, Networking, and Security\" dropdown and set the \"Container Port\" to 4567 10.Click \"Create\" Once the deployment is complete, click on the URL of the form *.run.app at the top of the page to view the deployment. You should see a form that says \"NodeBB Web Installer\". Keep this URL handy because you'll need it later :)","title":"Deploy on GCP Cloud Run"},{"location":"projects/P3/deployment/#create-config-script","text":"At this point, we could use the web installer to generate the config.json file in our container and setup NodeBB. However, since this a serverless deployment, we're not guaranteed any persistence of data generated at runtime. Therefore, we need to change our Dockerfile to generate the config.json file at build time of the container. To do so, first create a template file called config_template.json that looks exactly like the following, and push your changes to your repository. { \"url\": \"\", \"secret\": \"c5502d62-84a5-41f1-87eb-ee33a76fb7bc\", \"database\": \"redis\", \"redis\": { \"host\": \"\", \"port\": \"\", \"password\": \"\", \"database\": \"0\" }, \"port\": \"4567\" } Why can't we just push a pre-populated config.json file? This would solve the persistence problem and deploy NodeBB correctly. However, as a result, we expose secrets like the upstash redis connection details on a public GitHub repository. Injecting these secrets as environment variables at runtime gives our deployment access to them, while ensuring that the secrets remain secret. Configure the following environment variables by visiting the Cloud Run dashboard for your deployment, clicking on \"Edit and deploy new revision\" and then clicking on \"Add Variable\" in the \"Environment Variables\" section. DEPLOYMENT_URL : URL of the form *.run.app that your Cloud Run deployment is live at. REDIS_HOST : Endpoint value from your upstash redis database dashboard. REDIS_PORT : Port value from your upstash redis database dashboard. REDIS_PASSWORD : Password value from your upstash redis database dashboard. We'll now add a bash script that will populate this template with environment variables defined at build time of our Docker container. Create a file called create_config.sh in your NodeBB repo, and populate the file with the following bash script. #!/bin/bash # Check that environment variables have been defined if [[ -z \"${REDIS_HOST+x}\" ]]; then # var is not defined echo \"Error: REDIS_HOST is not defined!\" exit 1 fi if [[ -z \"${REDIS_PORT+x}\" ]]; then # var is not defined echo \"Error: REDIS_PORT is not defined!\" exit 1 fi if [[ -z \"${REDIS_PASSWORD+x}\" ]]; then # var is not defined echo \"Error: REDIS_PASSWORD is not defined!\" exit 1 fi if [[ -z \"${DEPLOYMENT_URL+x}\" ]]; then # var is not defined echo \"Error: DEPLOYMENT_URL is not defined!\" exit 1 fi # Read the JSON file json_data=$(cat \"/usr/src/app/config_template.json\") # Update the JSON file with the environment variables json_data=$(jq --arg deployment_url \"$DEPLOYMENT_URL\" '.url = $deployment_url' <<< \"$json_data\") json_data=$(jq --arg host \"$REDIS_HOST\" '.redis.host = $host' <<< \"$json_data\") json_data=$(jq --arg port \"$REDIS_PORT\" '.redis.port = $port' <<< \"$json_data\") json_data=$(jq --arg password \"$REDIS_PASSWORD\" '.redis.password = $password' <<< \"$json_data\") # Write the updated JSON file to config.json echo \"$json_data\" > \"/usr/src/app/config.json\" cat /usr/src/app/config.json Now, update your Dockerfile so that it looks like the following. FROM node:lts RUN mkdir -p /usr/src/app && \\ chown -R node:node /usr/src/app WORKDIR /usr/src/app RUN apt-get update && apt-get install -y jq ARG NODE_ENV ENV NODE_ENV $NODE_ENV COPY --chown=node:node install/package.json /usr/src/app/package.json USER node RUN npm install && \\ npm cache clean --force COPY --chown=node:node . /usr/src/app ENV NODE_ENV=production \\ daemon=false \\ silent=false EXPOSE 4567 RUN chmod +x create_config.sh CMD ./create_config.sh -n \"${SETUP}\" && ./nodebb setup || node ./nodebb build; node ./nodebb start We're making two changes here: (1) installing the jq package to read/edit json files from our bash script, and (2) running the create_config.sh script on container startup. Once you push your changes, a new deployment should get triggered and it should be good to go once complete. Congratulations! You've now setup a continuous deployment of NodeBB on GCP. Be sure to share the application link with your teammates to ensure they can also access the application and test that all your added features from Project 2 have been successfully applied.","title":"Create Config Script"},{"location":"projects/P4/","text":"Project 4: Software Architecture + ML Evaluation \u00b6 Learning Goals \u00b6 Design a software architecture for software system that incorporates machine learning Decide the appropriate architecture for a given problem Assess and describe the tradeoffs of different architectures Integration of machine learning into a software system and reason about their implications Evaluate the performance and fairness of machine learning models Engage meaningfully with engineering ethics Project Context \u00b6 As you and your team continue developing the new system, your CMU contact suddenly bursts into the room shouting, \u201cCareers! Hiring! Machine learning!\u201d Your manager follows closely behind and provides an explanation: a significant number of job recruiters have taken interest in your project and would like to use the platform as a means to reach out to students for career opportunities. However, the population of students is too large, and increasing annually. They are concerned by the sheer number of students to review for job applications, and recruiters want a simpler way to narrow the applicant pool. While your team had been working on deployment, your buzzword-enamored clients had hired another engineer to work on an extra ML-based feature to take in student performance data and provide a prediction of which applicants are more likely to succeed in industry. Specifically, the new career feature would: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry However, the engineer left shortly after and the project was abandoned. They have left an unfinished draft pull request on the repository, and you have been tasked with completing the project. Your manager wants you to: Assess the current architecture , and decide what would be the best way to incorporate the work done by the previous engineer Reason about, document and select an appropriate architecture for the project Finish integrating the feature made by the previous engineer based on your team's new design Along with architectural issues, as the feature will be evaluating student information, you are also concerned about the fairness of the model. You have been tasked with: Evaluating the pre-trained model's performance and fairness Writing a report on the evaluation of the model Provide a decision on whether the model should be used in production Deliverables and Deadlines \u00b6 There are two (2) deadlines for this project. This project is worth a total of 180 points. Checkpoint Deliverables \u2013 80 points - due Monday, November 5th, 11:59pm Architectural Design Document (60 pts) Jupyter Notebook Setup (20 pts) Final Deliverables \u2013 100 points - due Monday, November 12th, 11:59pm Feature Integration Implementation (60 pts) Evaluation Report (40 pts) Checkpoint Deliverables \u00b6 Architectural Design Document (60 points) \u00b6 To start off, your manager has requested a concrete design document on how you plan on integrating the new ML-based career feature into the existing codebase. One of your manager's requirements is that the career feature should work on a deployed site . You will later follow this design document in order to fully integrate this feature into NodeBB. Your team should start by evaluating what components of the feature have been implemented for you by the previous engineer as detailed in their draft pull request , then consider potential architectural solutions. It is highly recommended that at least one team member does a fresh clone and run the draft pull request locally to get a better understanding of the feature before proceeding. (Note: You can clone template repositories without forking them.) Some initial solutions to consider include: Rewriting the all aspects of the feature in Typescript and incorporating it into the monolith Implementing a Python-based microservice and deploying it as a separate service; then, integrating the service with your existing monolith via a REST API Refactoring part or all of the existing monolith into a microservices-based architecture Implementation Efforts Keep in mind that your team will have to integrate the feature as part of the final deliverable . This should be a factor that affects your final decision on which architecture to pursue. Once you have finished evaluating the codebase, create the design document highlighting your findings and decisions. Below is a sample outline for your design document along with recommended page lengths. Feature Overview (<1 pages) Describe concisely how the career feature works and how it will be used by the relevant stakeholders, with screenshots if necessary. Current Architecture (<1 page) Provide a brief description of the current NodeBB architecture and the current state of the new career feature (i.e. unintegrated with the rest of the codebase). Include an architectural diagram to support your description. Quality Requirements (<1 page) Provide a concise, prioritized list of the overall quality requirements you considered in arguing for the integration of the feature into the system and a short justification for each. Your team should decide on at least three requirements to focus on. Rank your requirements in decreasing order of importance. This allows readers to quickly understand what you were designing for. Potential Solutions (~1 page each) Your team should consider at least two different potential solutions for integrating the new feature. For each, provide at least one architectural diagram, a brief description of the solution's architectural design, and a discussion of the design's tradeoffs. Tradeoffs must involve (but are not limited to) the quality attributes described in the previous section. Justify such arguments with reference to appropriate diagrams and concrete examples, as appropriate. Selected Architecture + Justification (<1 page) Describe which design your team decided to proceed with in architecturally integrating the feature into existing codebase. Justify your design decisions, including why your design is adequate for the quality attributes important to this system, and what assumptions you made in your design (if any). Within your justification, you should explicitly include a timeline demonstrating how you plan on dividing development work within your team to ensure you finish implementation before the final deadline. . On Diagrams Diagrams should involve suitable architectural views ; must include a legend ; and should involve appropriate levels of abstraction for the components in the diagram. If necessary, use color/shape/text to differentiate between types of components and connectors. You may find it appropriate to merge more than one view into a single diagram. If you do this, you must be explicit about what views you are merging , and why. Otherwise, diagrams should clearly represent legitimate architectural views. Make sure that multiple views of the architecture are consistent with each other and the links are clear; if necessary provide a mapping in additional text. Drawing Diagrams Drawing diagrams is much easier with the right software. Consider tools like draw.io (free, online, and collaborative), Dia , OmniGraffle , MS Visio , or even just the drawing editor of Google Docs . Google Slides will also likely work for this purpose. Pictures of whiteboard drawings are also acceptable, if clearly readable. More resources to assist you with creating your design document can be found in the Resources & Documentation section below. By the checkpoint deadline, your team will submit your design document to Gradescope as a PDF. Jupyter Notebook Setup (20 points) \u00b6 As the previous engineer left in a hurry, the model that was provided to you is pre-trained and you do not have any information on how it was trained. You are tasked with evaluating the model's performance and fairness. When it comes to training the model itself, the ML engineer who worked on the project before you had the following assumptions: The model is used to predict whether a student will be a good candidate for a software engineering job. It is a binary classifier, where 1 means the student is a good candidate, and 0 means the student is not a good candidate. The model is trained on a dataset of students who have graduated from CMU, and have been working in the industry for at least 1 year. In order to prevent bias, they assumed that removing Gender (M, F) and Student ID from the dataset would be sufficient when it comes to training the model. They claimed that it is now Group Unaware , thus the model would be fair. The model specification is as follows: X variable (input parameters) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable (output) - Good Candidate (0, 1) The previous engineer has provided some examples on the usage of the model in the draft pull request . You are provided with a test dataset , which contains a similar set of features and output (whether the student is a good candidate or not). This test dataset is a different set of students from the training dataset, and the evaluation of whether the student is a good candidate is done by a fair panel of recruiters, so it can be considered to be unbiased. Additionally, the panel of recruiters have provided you with additional context on the extracurricular activities in comments (marked with #). Your test dataset is provided to you in the following format: X variable - Student ID - Gender (M, F) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) # Likely Co-Ed (Student Theatre, Buggy, Teaching Assistant, Student Government) # Likely Majority Female (Society of Women Engineers, Women in CS, Volleyball, Sorority) # Likely Majority Male (Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable - Good Candidate (0, 1) Before doing a thorough evaluation of the fairness of the model, you will start by doing preliminary analysis on the test dataset , and run the model on the test dataset to get the accuracy of the model. To do so, you will need to set up a Jupyter notebook to do this, you can either: Use Google Colab to run the notebook in the cloud. (Recommended if you do not have experience with Jupyter notebooks) Alternatively, set up a JupyterLab on your local machine. Additionally, you can use VSCode to run the notebook as well. (Recommended if you are experienced) It is recommended that you use Python 3.9 or above when setting up the notebook. After you have set up the notebook, you should: Load the model and test dataset Plot the distribution of the test dataset across all features (except Student ID) using any visualization library of your choice (e.g. pandas, matplotlib, seaborn, plotly, etc.). You should choose the appropriate visualization for each feature. Predict the output of the test dataset using the model Report the accuracy of the model, and the confusion matrix Refer to the Resources & Documentation section if you need help with any of the above steps. By the checkpoint deadline, your team will commit the Jupyter notebook to your repository, and submit a link to the Jupyter notebook with the basic analysis and usage of the model done. Final Deliverables \u00b6 Feature Integration Implementation (60 points) \u00b6 Complete the integration of the ML-based candidate recommendation feature into your team repository for NodeBB. Your implementation should follow your selected design from your checkpoint design document. Revisiting the project context , the feature: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry You may freely use any and/or all of the development progress made available in the draft pull request in your implementation. In fact, if the draft pull request matches your proposed design, you are highly encouraged to directly integrate all code from the draft pull request as a starting point for your implementation. On Gradescope, you should: Submit a link to your deployed site that has the career features successfully integrated Answer the discussion questions regarding your implementation and any additional design decisions made by your team Partial Credit For partial credit, you may instead submit your repository with a locally working integration of the career feature. You should then answer the presented questions on Gradescope for how to get your feature working locally. A Note on CD While we encourage CD workflows, your deployment does not have to be automated for this assignment. In other words, it is acceptable to manually deploy your site without modifying your workflow from the previous project. Evaluation Report (40 points) \u00b6 Now you have to decide whether the model should be used in production. You will need to evaluate the performance and the fairness of the model. You should do all your work in the Jupyter notebook that you set up in the checkpoint deliverables. Performance Evaluation \u00b6 You should have already evaluated the performance of the model in the checkpoint deliverables. You should now do a more thorough evaluation of the model's performance. You should: Evaluate the model's performance on the test dataset, and report the accuracy and confusion matrix Fairness Evaluation \u00b6 When evaluating the fairness of the model, you should Revisit the assumptions made by the previous engineer Revisit the fairness discussion we had in class, and also in ML Discrimination Consider the fairness strategies and corresponding metrics that can be used to evaluate the fairness of the model Report \u00b6 After evaluating the performance and fairness of the model, you should now write a report on your findings. You will also need to provide a decision on whether the model should be used in production. Your report should include the following sections with clear headings: Introduction (< 0.5 page) Provide a brief introduction to the model that you are evaluating, and the test dataset that you are using, and the context of use of the model. Description of the test data (< 1 page) Provide descriptive statistics of the test dataset (e.g. mean, median, mode, standard deviation, etc.) for each feature, preferably in a table. You should also provide a brief discussion on the distribution of the features. Model Performance (< 0.5 page) Provide the accuracy and confusion matrix of the model on the test dataset and a brief discussion on the performance of the model. Feature Exploration (< 1 page) Identify features that you think are important when it comes to evaluating the fairness of the model, and explain why. Fairness Evaluation (~ 1.5 page) Consider three fairness strategies that were discussed in class and then: Provide the corresponding fairness metrics for the model (if applicable) based on the features you selected in step 4. Determine whether the model is fair under each fairness strategy, and provide a brief discussion on why. Determine which fairness strategy is the most appropriate for the model, given the context of what the model is used for. Provide a brief discussion on why. Recommendation (< 0.5 page) Make a recommendation on whether the model should be used in production, and provide a brief discussion on why. On Gradescope submit the following: A link to your Jupyter notebook that contains your code and analysis that is committed to your GitHub repository. A PDF of your report Grading \u00b6 To receive full credit for the checkpoint, we expect: A design document outlining your research into the existing codebase architecture, the quality requirements considered by your team, alternative solutions, and a final justification & timeline for your selected integration plan A link to a Jupyter notebook completing all of the setup steps outlined by the previous section To receive full credit for the final deadline, we expect: A link to your successfully deployed web application for your team repository which demonstrates the integration of the ML-based career feature A link to a Jupyter notebook containing all research/data gathered during your evaluation of the ML model An uploaded PDF report discussing the fairness of the model addressing all the sections outlined above Everyone in the team has contributed to a pull request to the team repository (Note: Either for the Jupyter notebook or the career feature integration) Resource & Documentation \u00b6 Design Documents \u00b6 The design document task is easy to underestimate both in terms of time needed and in terms of difficulty designing meaningful and useful descriptions. While it is easy to create a superficial solution, a good solution will likely require significant thinking, discussion, and iteration. Feel free to seek feedback from the course staff on your solution before submission! We recommend that you appoint someone in your team to track the accuracy and completeness of architectural representations throughout this assignment. Do not just divide up the views among your team members and assume they show everything needed. You only need to submit the final designs/documents, not intermediate steps on the process of getting there. There are a few additional reference materials available in the CMU library that your team may want to consult. We do not recommend reading through all of it; instead, skip around to sections that are relevant to you. Software Architecture in Practice, Third Edition : You may wish to review appropriate sections within Part Two to help find appropriate tactics, techniques you can use in your design to promote particular quality attributes. Documenting Software Architectures: Views and Beyond, Second Edition : useful book to generally reference for creating architecture documentation. Integration \u00b6 Making HTTP Requests FastAPI Deploying with Docker Model Analysis \u00b6 Jupyter Notebooks \u00b6 How to Use Jupyter Notebooks How to Use Jupyter Notebooks on Google Colab Pandas \u00b6 How to Use Pandas Reading CSV Files Dataframe Data Analysis \u00b6 Descriptive Statistics What is Accuracy of a Model? Accuracy What is a Confusion Matrix? Confusion Matrix Visualization \u00b6 Plotting with Pandas Matplotlib Seaborn Plotly","title":"Project 4: Software Architecture + ML Evaluation"},{"location":"projects/P4/#project-4-software-architecture-ml-evaluation","text":"","title":"Project 4: Software Architecture + ML Evaluation"},{"location":"projects/P4/#learning-goals","text":"Design a software architecture for software system that incorporates machine learning Decide the appropriate architecture for a given problem Assess and describe the tradeoffs of different architectures Integration of machine learning into a software system and reason about their implications Evaluate the performance and fairness of machine learning models Engage meaningfully with engineering ethics","title":"Learning Goals"},{"location":"projects/P4/#project-context","text":"As you and your team continue developing the new system, your CMU contact suddenly bursts into the room shouting, \u201cCareers! Hiring! Machine learning!\u201d Your manager follows closely behind and provides an explanation: a significant number of job recruiters have taken interest in your project and would like to use the platform as a means to reach out to students for career opportunities. However, the population of students is too large, and increasing annually. They are concerned by the sheer number of students to review for job applications, and recruiters want a simpler way to narrow the applicant pool. While your team had been working on deployment, your buzzword-enamored clients had hired another engineer to work on an extra ML-based feature to take in student performance data and provide a prediction of which applicants are more likely to succeed in industry. Specifically, the new career feature would: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry However, the engineer left shortly after and the project was abandoned. They have left an unfinished draft pull request on the repository, and you have been tasked with completing the project. Your manager wants you to: Assess the current architecture , and decide what would be the best way to incorporate the work done by the previous engineer Reason about, document and select an appropriate architecture for the project Finish integrating the feature made by the previous engineer based on your team's new design Along with architectural issues, as the feature will be evaluating student information, you are also concerned about the fairness of the model. You have been tasked with: Evaluating the pre-trained model's performance and fairness Writing a report on the evaluation of the model Provide a decision on whether the model should be used in production","title":"Project Context"},{"location":"projects/P4/#deliverables-and-deadlines","text":"There are two (2) deadlines for this project. This project is worth a total of 180 points. Checkpoint Deliverables \u2013 80 points - due Monday, November 5th, 11:59pm Architectural Design Document (60 pts) Jupyter Notebook Setup (20 pts) Final Deliverables \u2013 100 points - due Monday, November 12th, 11:59pm Feature Integration Implementation (60 pts) Evaluation Report (40 pts)","title":"Deliverables and Deadlines"},{"location":"projects/P4/#checkpoint-deliverables","text":"","title":"Checkpoint Deliverables"},{"location":"projects/P4/#architectural-design-document-60-points","text":"To start off, your manager has requested a concrete design document on how you plan on integrating the new ML-based career feature into the existing codebase. One of your manager's requirements is that the career feature should work on a deployed site . You will later follow this design document in order to fully integrate this feature into NodeBB. Your team should start by evaluating what components of the feature have been implemented for you by the previous engineer as detailed in their draft pull request , then consider potential architectural solutions. It is highly recommended that at least one team member does a fresh clone and run the draft pull request locally to get a better understanding of the feature before proceeding. (Note: You can clone template repositories without forking them.) Some initial solutions to consider include: Rewriting the all aspects of the feature in Typescript and incorporating it into the monolith Implementing a Python-based microservice and deploying it as a separate service; then, integrating the service with your existing monolith via a REST API Refactoring part or all of the existing monolith into a microservices-based architecture Implementation Efforts Keep in mind that your team will have to integrate the feature as part of the final deliverable . This should be a factor that affects your final decision on which architecture to pursue. Once you have finished evaluating the codebase, create the design document highlighting your findings and decisions. Below is a sample outline for your design document along with recommended page lengths. Feature Overview (<1 pages) Describe concisely how the career feature works and how it will be used by the relevant stakeholders, with screenshots if necessary. Current Architecture (<1 page) Provide a brief description of the current NodeBB architecture and the current state of the new career feature (i.e. unintegrated with the rest of the codebase). Include an architectural diagram to support your description. Quality Requirements (<1 page) Provide a concise, prioritized list of the overall quality requirements you considered in arguing for the integration of the feature into the system and a short justification for each. Your team should decide on at least three requirements to focus on. Rank your requirements in decreasing order of importance. This allows readers to quickly understand what you were designing for. Potential Solutions (~1 page each) Your team should consider at least two different potential solutions for integrating the new feature. For each, provide at least one architectural diagram, a brief description of the solution's architectural design, and a discussion of the design's tradeoffs. Tradeoffs must involve (but are not limited to) the quality attributes described in the previous section. Justify such arguments with reference to appropriate diagrams and concrete examples, as appropriate. Selected Architecture + Justification (<1 page) Describe which design your team decided to proceed with in architecturally integrating the feature into existing codebase. Justify your design decisions, including why your design is adequate for the quality attributes important to this system, and what assumptions you made in your design (if any). Within your justification, you should explicitly include a timeline demonstrating how you plan on dividing development work within your team to ensure you finish implementation before the final deadline. . On Diagrams Diagrams should involve suitable architectural views ; must include a legend ; and should involve appropriate levels of abstraction for the components in the diagram. If necessary, use color/shape/text to differentiate between types of components and connectors. You may find it appropriate to merge more than one view into a single diagram. If you do this, you must be explicit about what views you are merging , and why. Otherwise, diagrams should clearly represent legitimate architectural views. Make sure that multiple views of the architecture are consistent with each other and the links are clear; if necessary provide a mapping in additional text. Drawing Diagrams Drawing diagrams is much easier with the right software. Consider tools like draw.io (free, online, and collaborative), Dia , OmniGraffle , MS Visio , or even just the drawing editor of Google Docs . Google Slides will also likely work for this purpose. Pictures of whiteboard drawings are also acceptable, if clearly readable. More resources to assist you with creating your design document can be found in the Resources & Documentation section below. By the checkpoint deadline, your team will submit your design document to Gradescope as a PDF.","title":"Architectural Design Document (60 points)"},{"location":"projects/P4/#jupyter-notebook-setup-20-points","text":"As the previous engineer left in a hurry, the model that was provided to you is pre-trained and you do not have any information on how it was trained. You are tasked with evaluating the model's performance and fairness. When it comes to training the model itself, the ML engineer who worked on the project before you had the following assumptions: The model is used to predict whether a student will be a good candidate for a software engineering job. It is a binary classifier, where 1 means the student is a good candidate, and 0 means the student is not a good candidate. The model is trained on a dataset of students who have graduated from CMU, and have been working in the industry for at least 1 year. In order to prevent bias, they assumed that removing Gender (M, F) and Student ID from the dataset would be sufficient when it comes to training the model. They claimed that it is now Group Unaware , thus the model would be fair. The model specification is as follows: X variable (input parameters) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable (output) - Good Candidate (0, 1) The previous engineer has provided some examples on the usage of the model in the draft pull request . You are provided with a test dataset , which contains a similar set of features and output (whether the student is a good candidate or not). This test dataset is a different set of students from the training dataset, and the evaluation of whether the student is a good candidate is done by a fair panel of recruiters, so it can be considered to be unbiased. Additionally, the panel of recruiters have provided you with additional context on the extracurricular activities in comments (marked with #). Your test dataset is provided to you in the following format: X variable - Student ID - Gender (M, F) - Age (18 - 25) - Major (Computer Science, Information Systems, Business, Math, Electrical and Computer Engineering, Statistics and Machine Learning) - GPA (0 - 4.0) - Extra Curricular Activities (Student Theatre, Buggy, Teaching Assistant, Student Government, Society of Women Engineers, Women in CS, Volleyball, Sorority, Men's Basketball, American Football, Men's Golf, Fraternity) # Likely Co-Ed (Student Theatre, Buggy, Teaching Assistant, Student Government) # Likely Majority Female (Society of Women Engineers, Women in CS, Volleyball, Sorority) # Likely Majority Male (Men's Basketball, American Football, Men's Golf, Fraternity) - Number of Programming Languages (1, 2, 3, 4, 5) - Number of Past Internships (0, 1, 2, 3, 4) Y variable - Good Candidate (0, 1) Before doing a thorough evaluation of the fairness of the model, you will start by doing preliminary analysis on the test dataset , and run the model on the test dataset to get the accuracy of the model. To do so, you will need to set up a Jupyter notebook to do this, you can either: Use Google Colab to run the notebook in the cloud. (Recommended if you do not have experience with Jupyter notebooks) Alternatively, set up a JupyterLab on your local machine. Additionally, you can use VSCode to run the notebook as well. (Recommended if you are experienced) It is recommended that you use Python 3.9 or above when setting up the notebook. After you have set up the notebook, you should: Load the model and test dataset Plot the distribution of the test dataset across all features (except Student ID) using any visualization library of your choice (e.g. pandas, matplotlib, seaborn, plotly, etc.). You should choose the appropriate visualization for each feature. Predict the output of the test dataset using the model Report the accuracy of the model, and the confusion matrix Refer to the Resources & Documentation section if you need help with any of the above steps. By the checkpoint deadline, your team will commit the Jupyter notebook to your repository, and submit a link to the Jupyter notebook with the basic analysis and usage of the model done.","title":"Jupyter Notebook Setup (20 points)"},{"location":"projects/P4/#final-deliverables","text":"","title":"Final Deliverables"},{"location":"projects/P4/#feature-integration-implementation-60-points","text":"Complete the integration of the ML-based candidate recommendation feature into your team repository for NodeBB. Your implementation should follow your selected design from your checkpoint design document. Revisiting the project context , the feature: adds a new recruiter user type adds a new career tab on NodeBB, that leads to a new career page the new career page will allow students to submit relevant information about themselves for recruiters to see allow recruiters to see a list of students who have submitted their information, together with the prediction of their success in industry You may freely use any and/or all of the development progress made available in the draft pull request in your implementation. In fact, if the draft pull request matches your proposed design, you are highly encouraged to directly integrate all code from the draft pull request as a starting point for your implementation. On Gradescope, you should: Submit a link to your deployed site that has the career features successfully integrated Answer the discussion questions regarding your implementation and any additional design decisions made by your team Partial Credit For partial credit, you may instead submit your repository with a locally working integration of the career feature. You should then answer the presented questions on Gradescope for how to get your feature working locally. A Note on CD While we encourage CD workflows, your deployment does not have to be automated for this assignment. In other words, it is acceptable to manually deploy your site without modifying your workflow from the previous project.","title":"Feature Integration Implementation (60 points)"},{"location":"projects/P4/#evaluation-report-40-points","text":"Now you have to decide whether the model should be used in production. You will need to evaluate the performance and the fairness of the model. You should do all your work in the Jupyter notebook that you set up in the checkpoint deliverables.","title":"Evaluation Report (40 points)"},{"location":"projects/P4/#grading","text":"To receive full credit for the checkpoint, we expect: A design document outlining your research into the existing codebase architecture, the quality requirements considered by your team, alternative solutions, and a final justification & timeline for your selected integration plan A link to a Jupyter notebook completing all of the setup steps outlined by the previous section To receive full credit for the final deadline, we expect: A link to your successfully deployed web application for your team repository which demonstrates the integration of the ML-based career feature A link to a Jupyter notebook containing all research/data gathered during your evaluation of the ML model An uploaded PDF report discussing the fairness of the model addressing all the sections outlined above Everyone in the team has contributed to a pull request to the team repository (Note: Either for the Jupyter notebook or the career feature integration)","title":"Grading"},{"location":"projects/P4/#resource-documentation","text":"","title":"Resource & Documentation"},{"location":"projects/P4/#design-documents","text":"The design document task is easy to underestimate both in terms of time needed and in terms of difficulty designing meaningful and useful descriptions. While it is easy to create a superficial solution, a good solution will likely require significant thinking, discussion, and iteration. Feel free to seek feedback from the course staff on your solution before submission! We recommend that you appoint someone in your team to track the accuracy and completeness of architectural representations throughout this assignment. Do not just divide up the views among your team members and assume they show everything needed. You only need to submit the final designs/documents, not intermediate steps on the process of getting there. There are a few additional reference materials available in the CMU library that your team may want to consult. We do not recommend reading through all of it; instead, skip around to sections that are relevant to you. Software Architecture in Practice, Third Edition : You may wish to review appropriate sections within Part Two to help find appropriate tactics, techniques you can use in your design to promote particular quality attributes. Documenting Software Architectures: Views and Beyond, Second Edition : useful book to generally reference for creating architecture documentation.","title":"Design Documents"},{"location":"projects/P4/#integration","text":"Making HTTP Requests FastAPI Deploying with Docker","title":"Integration"},{"location":"projects/P4/#model-analysis","text":"","title":"Model Analysis"},{"location":"projects/P5/","text":"Project 5: Open Source Excursion \u00b6 Learning Goals \u00b6 Holistically apply software engineering methods in the context of a real-world problem, including process, requirements, architecture, measurement, and quality assurance Gain broad and deep exposure to the culture and practices of open-source communities Understand commonly used infrastructure used in open-source, and how to choose infrastructure when starting a new open-source project Engage with an open-source community Identify process issues and suggest improvements in real-world projects, including communication, collaboration, tooling, quality assurance, formal and informal rules and policies Coordinate within a team and adopt practices for efficient teams Understand a project\u2019s architecture and design and make a decision about the feasibility of a proposed task Divide and schedule work within a project Discuss how agile practices affect development Discuss business concerns and business models of software development Project Description \u00b6 Your high-level goal is to produce and submit a non-trivial modification or extension to an open-source project in a way that maximizes the chances that the project maintainers accept it. If you demonstrate to us that your change has been accepted and integrated into the project\u2019s code base, you will get 20 bonus points . Your team will select an open source project, select a change to implement, actually contribute to the project, and present your insights to the class. You will individually reflect on your teamwork and open source experience. Deliverables and Deadlines \u00b6 This will is your final project with your group. There are 3 deadlines for this project. The project is worth a total of 320 points (~18% of your final grade). A) Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation (80 pts) - Held on Tuesday, November 21st B) Project Final Report & Presentations \u2013 220 points \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation (100 points) - Held during exam timeslot on Thursday, December 7th, 8:30am - 11:30am C) Individual Reflections \u2013 20 points \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts) Tip This is a large assignment spanning from now until your final exam timeslot. We estimate that this project will take each student on the team on average 8-10 hours/week over the next 3 weeks, for a total of 30 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of P5 will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. If severe teamwork issues arise please contact the course staff.","title":"Project 5: Open Source Excursion"},{"location":"projects/P5/#project-5-open-source-excursion","text":"","title":"Project 5: Open Source Excursion"},{"location":"projects/P5/#learning-goals","text":"Holistically apply software engineering methods in the context of a real-world problem, including process, requirements, architecture, measurement, and quality assurance Gain broad and deep exposure to the culture and practices of open-source communities Understand commonly used infrastructure used in open-source, and how to choose infrastructure when starting a new open-source project Engage with an open-source community Identify process issues and suggest improvements in real-world projects, including communication, collaboration, tooling, quality assurance, formal and informal rules and policies Coordinate within a team and adopt practices for efficient teams Understand a project\u2019s architecture and design and make a decision about the feasibility of a proposed task Divide and schedule work within a project Discuss how agile practices affect development Discuss business concerns and business models of software development","title":"Learning Goals"},{"location":"projects/P5/#project-description","text":"Your high-level goal is to produce and submit a non-trivial modification or extension to an open-source project in a way that maximizes the chances that the project maintainers accept it. If you demonstrate to us that your change has been accepted and integrated into the project\u2019s code base, you will get 20 bonus points . Your team will select an open source project, select a change to implement, actually contribute to the project, and present your insights to the class. You will individually reflect on your teamwork and open source experience.","title":"Project Description"},{"location":"projects/P5/#deliverables-and-deadlines","text":"This will is your final project with your group. There are 3 deadlines for this project. The project is worth a total of 320 points (~18% of your final grade). A) Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation (80 pts) - Held on Tuesday, November 21st B) Project Final Report & Presentations \u2013 220 points \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation (100 points) - Held during exam timeslot on Thursday, December 7th, 8:30am - 11:30am C) Individual Reflections \u2013 20 points \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts) Tip This is a large assignment spanning from now until your final exam timeslot. We estimate that this project will take each student on the team on average 8-10 hours/week over the next 3 weeks, for a total of 30 hours. We highly recommend reading through the entire assignment before starting so you are aware of our expectations for the later deliverables. To manage all of the write-ups, we recommend saving the pages as a PDF to print or annotate on as you work through the assignment with your team. Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of P5 will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. If severe teamwork issues arise please contact the course staff.","title":"Deliverables and Deadlines"},{"location":"projects/P5/1_projectcheck/","text":"Project 5A: Project and Task Selection \u00b6 Deliverables \u00b6 Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation Slides \u2013 due Tuesday, November 21st, 11:59pm Presentation Date \u2013 Tuesday, November 21st, during the lecture time Open Source Project Selection \u00b6 You may select any active open source project in any language, as long as it's not already being selected on by another team. You can find a list of open source projects selected by other teams on the Public Project Selection Spreadsheet . Here are some helpful resources for finding open source projects: Trending on Github Software Quality Awards Issues that are labeled \u201cup-for-grabs\u201d goodfirstissue.dev A list of beginner friendly projects Apache projects Mozilla projects You may want to consider any open-source projects you have used before, or are interested in using in the future! The open source project you pick should be active and have multiple contributors . Generally you want to pick projects that are quick at reviewing and accepting PRs from external contributors for a better chance of getting your bonus. Previous students have lamented choosing dead or maintenance projects without sufficient community support. Do not make this mistake. If you have questions on if we would consider a project active, contact the course staff. Once you have selected a project, add it to the Public Project Selection Spreadsheet . Task Selection \u00b6 For the rest of this assignment, we will refer to bug fixes and feature extensions as tasks. You are free to chose any task(s) to complete for this assignment, as long as they: Are taken from a bug report or feature request in a public database or message board. Do not invent a task. Address a documented project need. Make changes to the project\u2019s source code. Pure documentation or design tasks are not appropriate Benefit from teamwork and are appropriate for your team size (i.e. do not select one small independent task per team member). You may choose one large task or several smaller, related tasks. The tasks should be scoped such that each team member spends one week of development effort We expect students to actively communicate with the project owners the task you are trying to do via the owners' preferred methods of communication (GitHub comments, Discord server, etc) and follow the repository's issue assignment process(es). This will also ensure that they are more likely to accept your pull request(s) in the future. If you have questions on these criteria, contact the course staff. Task Planning \u00b6 Once you have selected a project and task(s), break them down into subtasks, consider their priority and assign them to each team member. Identify a set of tasks as your core goal for this project, and another set of tasks as stretch goals. You are expected to achieve your core goal for this project , and stretch goals as much as possible. We will work with you to adjust your goals during the check-in presentation to ensure that they are appropriate your team size and timeframe. As per previous project, plan before you start coding . You should identify risks and requirements, and develop a collaboration plan and schedule. Check-In Presentation (80 pts) \u00b6 The lecture slot of Tuesday, November 21st will be dedicated to an in-person group presentation about your project and task selection. Presentations are 7 minutes long, with 3 minutes of feedback and Q&A The order of presentations will be randomly determined Participation from all team members during the presentation is required Presentation Attendance For full credit, you would have to be on time for the presentation session. If you are unable to attend in-person, you must Send an email to the instructor with justifications at least 24 hours before the presentation , else you will receive no credit for this part of the assignment, and Pre-record your segment of the presentation, which your teammate will play during the presentation Your group presentation will serve as a check-in to determine if the open source project and task(s) chosen were reasonable Your 7-minute check-in presentation should include (the recommended slides amount is in parenthesis): Overview and Justification (~1 slide) An overview on the project you selected, summarizing the relevant characteristics you considered when making your selection. Beyond whatever additional information you collect in your research, include at least a name, a website link, and a brief description of the project (what it does, who uses it, etc). Successful Build (~1 slide) Evidence that you can build and run the software (e.g., a screenshot or text output from a successful build, a screenshot of the running program). Getting an open-source project to build/run can be a huge effort, and we want to mitigate this risk. Task(s) Description (~2-3 slides) A brief textual description of your proposed change(s). In addition to your core task(s), you may choose to include a stretch task, depending on how difficult the changes end up being, you may not need to implement it. Note that if your actual changes deviate from the plan, we expect a short explanation with the final submission. A justification as to why the task(s) benefit(s) from teamwork and are appropriate for your team size. Task Requests(s) (~1 slide) Evidence that the task(s) is/are requested by the community (links suffices). Evidence of communication with the project owners (e.g., a link to a discussion thread, a screenshot of a chat, etc). Subtasks & Assignments (~1 slide) A table to summarize for each subtask: A description of each subtask The priorities & justification of priorities of the subtasks (and if it's part of core goals or stretch goals) An initial assignment of subtasks to team members. Schedule (~1 slide) A table to summarize the schedule for each team member, including: The start and end date of each subtask The number of hours each team member will spend on each subtask The number of hours each team member will spend on the project in total Risk & Mitigation Strategies (~1 slide) A list of at least two relevant risks when it comes to working on the tasks in your selected open source project and corresponding mitigation strategies. We expect you to identify risks that are specific to your project and team. For example, if you are working on a project that is written in a language that none of your team members have used before, you should identify this as a risk and discuss how you will mitigate it. We will not accept risks that are generic to all open source projects (e.g., \"the project may be abandoned\"), or risks that are generic to all software development projects (e.g., \"the project may have bugs\"). Submit the presentation deck listed above as a single PDF file per team to Gradescope .","title":"Project 5A: Project and Task Selection"},{"location":"projects/P5/1_projectcheck/#project-5a-project-and-task-selection","text":"","title":"Project 5A: Project and Task Selection"},{"location":"projects/P5/1_projectcheck/#deliverables","text":"Project & Task Selection \u2013 80 points \u2013 due Tuesday, November 21st, 11:59pm Check-In Presentation Slides \u2013 due Tuesday, November 21st, 11:59pm Presentation Date \u2013 Tuesday, November 21st, during the lecture time","title":"Deliverables"},{"location":"projects/P5/1_projectcheck/#open-source-project-selection","text":"You may select any active open source project in any language, as long as it's not already being selected on by another team. You can find a list of open source projects selected by other teams on the Public Project Selection Spreadsheet . Here are some helpful resources for finding open source projects: Trending on Github Software Quality Awards Issues that are labeled \u201cup-for-grabs\u201d goodfirstissue.dev A list of beginner friendly projects Apache projects Mozilla projects You may want to consider any open-source projects you have used before, or are interested in using in the future! The open source project you pick should be active and have multiple contributors . Generally you want to pick projects that are quick at reviewing and accepting PRs from external contributors for a better chance of getting your bonus. Previous students have lamented choosing dead or maintenance projects without sufficient community support. Do not make this mistake. If you have questions on if we would consider a project active, contact the course staff. Once you have selected a project, add it to the Public Project Selection Spreadsheet .","title":"Open Source Project Selection"},{"location":"projects/P5/1_projectcheck/#task-selection","text":"For the rest of this assignment, we will refer to bug fixes and feature extensions as tasks. You are free to chose any task(s) to complete for this assignment, as long as they: Are taken from a bug report or feature request in a public database or message board. Do not invent a task. Address a documented project need. Make changes to the project\u2019s source code. Pure documentation or design tasks are not appropriate Benefit from teamwork and are appropriate for your team size (i.e. do not select one small independent task per team member). You may choose one large task or several smaller, related tasks. The tasks should be scoped such that each team member spends one week of development effort We expect students to actively communicate with the project owners the task you are trying to do via the owners' preferred methods of communication (GitHub comments, Discord server, etc) and follow the repository's issue assignment process(es). This will also ensure that they are more likely to accept your pull request(s) in the future. If you have questions on these criteria, contact the course staff.","title":"Task Selection"},{"location":"projects/P5/1_projectcheck/#task-planning","text":"Once you have selected a project and task(s), break them down into subtasks, consider their priority and assign them to each team member. Identify a set of tasks as your core goal for this project, and another set of tasks as stretch goals. You are expected to achieve your core goal for this project , and stretch goals as much as possible. We will work with you to adjust your goals during the check-in presentation to ensure that they are appropriate your team size and timeframe. As per previous project, plan before you start coding . You should identify risks and requirements, and develop a collaboration plan and schedule.","title":"Task Planning"},{"location":"projects/P5/1_projectcheck/#check-in-presentation-80-pts","text":"The lecture slot of Tuesday, November 21st will be dedicated to an in-person group presentation about your project and task selection. Presentations are 7 minutes long, with 3 minutes of feedback and Q&A The order of presentations will be randomly determined Participation from all team members during the presentation is required Presentation Attendance For full credit, you would have to be on time for the presentation session. If you are unable to attend in-person, you must Send an email to the instructor with justifications at least 24 hours before the presentation , else you will receive no credit for this part of the assignment, and Pre-record your segment of the presentation, which your teammate will play during the presentation Your group presentation will serve as a check-in to determine if the open source project and task(s) chosen were reasonable Your 7-minute check-in presentation should include (the recommended slides amount is in parenthesis): Overview and Justification (~1 slide) An overview on the project you selected, summarizing the relevant characteristics you considered when making your selection. Beyond whatever additional information you collect in your research, include at least a name, a website link, and a brief description of the project (what it does, who uses it, etc). Successful Build (~1 slide) Evidence that you can build and run the software (e.g., a screenshot or text output from a successful build, a screenshot of the running program). Getting an open-source project to build/run can be a huge effort, and we want to mitigate this risk. Task(s) Description (~2-3 slides) A brief textual description of your proposed change(s). In addition to your core task(s), you may choose to include a stretch task, depending on how difficult the changes end up being, you may not need to implement it. Note that if your actual changes deviate from the plan, we expect a short explanation with the final submission. A justification as to why the task(s) benefit(s) from teamwork and are appropriate for your team size. Task Requests(s) (~1 slide) Evidence that the task(s) is/are requested by the community (links suffices). Evidence of communication with the project owners (e.g., a link to a discussion thread, a screenshot of a chat, etc). Subtasks & Assignments (~1 slide) A table to summarize for each subtask: A description of each subtask The priorities & justification of priorities of the subtasks (and if it's part of core goals or stretch goals) An initial assignment of subtasks to team members. Schedule (~1 slide) A table to summarize the schedule for each team member, including: The start and end date of each subtask The number of hours each team member will spend on each subtask The number of hours each team member will spend on the project in total Risk & Mitigation Strategies (~1 slide) A list of at least two relevant risks when it comes to working on the tasks in your selected open source project and corresponding mitigation strategies. We expect you to identify risks that are specific to your project and team. For example, if you are working on a project that is written in a language that none of your team members have used before, you should identify this as a risk and discuss how you will mitigate it. We will not accept risks that are generic to all open source projects (e.g., \"the project may be abandoned\"), or risks that are generic to all software development projects (e.g., \"the project may have bugs\"). Submit the presentation deck listed above as a single PDF file per team to Gradescope .","title":"Check-In Presentation (80 pts)"},{"location":"projects/P5/2_projectfinal/","text":"Project 5B & C: Project Presentations, Final Report, and Reflections \u00b6 Deliverables \u00b6 Project Report and Presentation \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation Slides (100 points, graded based on presentation) Presentation Date \u2013 Thursday, December 7th, 8:30am - 11:30am, during exam timeslot Reflection \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts) Contributing to Open Source \u00b6 You should perform adequate quality assurance activities when writing code. Take further steps to understand the project\u2019s code You might find it useful to engage in intra-team discussions using static or dynamic diagrams. You might also find it useful to elicit feedback on your ideas by communicating with members of the open-source community. Submit your changes to the project Create any necessary documentation to enable acceptance of your code. Common contribution mechanisms include pull requests, emails to a project lead, or discussion board posts. You may also need to update the bug database. The project owners will review and evaluate your pull request, and you might need more work to get it approved. You are required to submit your work to the open-source project BONUS: Get your changes accepted You will get a bonus 20 (6%) bonus points upon acceptance. If your code is accepted after the homework deadline but before final grades are released, inform the course staff. Report, Presentation and Reflection \u00b6 You will report on your project and task selection, work, and experience in several ways (see below). This will include a group presentation to the class. Project Presentations (100 pts) \u00b6 The Final Exam time is dedicated to group presentations (in-person) about your open source contributions. Presentations are 7 minutes long, with 3 minutes Q&A . The order of presentations is randomly determined. Participation from all team members during the presentation is required . Every individual will be asked to provide constructive feedback for other presentations in class via an paper form (which we will provide day-of). Presentation Attendance For full credit, you would have to be on time for the presentation session (within 10 minutes of start time). If you are unable to attend in-person, you have to send an email with justification to the instructors at least a week before your final exam timeslot so that appropriate arrangements can be made. Exceptions to notification deadline will only be made for unforseeable circumstances. The goal of the presentation is primarily to share with the class the project to which you contributed, and your experiences. Your presentation should cover the following topics (the recommended slides amount is in parenthesis): High-level Project Overview (~1 slide) Describe the project in terms of its high-level goals and the context in which it operates. This may include a brief history and the business context. E.g. it may be interesting to note that a project was spawned from a closed-source operation, or that it competes primarily with a closed-source counterpart. Brief Task Description(s) (~2 slides) Brief description of the task(s) you performed, such that the audience has sufficient context to understand your explanation of your experiences. A table that briefly summarizes the contribution(s) each team member made towards completing the task(s). We do not expect you to include, for example, any code or diagrams from your report , unless they\u2019re helpful for supporting a point about your interactions with the project. Include a demo of your contribution(s), if applicable. Please do a screen recording of your demo instead of a live demo. Project Processes and Communication (~2 slides) Describe the processes and tools the project uses to coordinate among contributors. For example: Are these processes formal or informal? Provide an explicit description (possibly with a diagram) of the acceptance process used for efforts like the task you completed. If applicable, include standards or expectations regarding software engineering activities including requirements, architecture, and quality assurance; alternatively mention that no such standards exist. Your Experiences (~2 slides) Summarize your experiences (and what you learned!) interacting with this community of open source developers, focusing on any surprising or unusual aspects of the process or interaction. For example Did you run into any trouble understanding, changing, or contributing to a large, pre-existing project? Were there unanticipated challenges in either implementing your change, or in getting the change submitted to and accepted by the project maintainers? Did the project collaboration process or culture help or hinder your effort in any way? Characterize any interaction you had with the team leadership and community, highlighting especially any useful/useless input you received. You may (but are not required to) also relate the experience from this homework assignment with relevant experience from internships or other projects. Your summary of your experiences can be at whatever level of detail you think is interesting or informative. Given the time limit, selecting and highlighting the two or three most important or interesting observations is likely more useful than trying to be complete. You must upload your slides as a single PDF document to Gradescope by Wednesday, December 6th at 11:59pm . Project Report (120 pts) \u00b6 After completing and submitting the modification, write a report about the tasks you have performed. Your report should include: Selected Project (1 paragraph) A brief description of the open source system to which you contributed. You may reuse text from Part A. Project Context and Business Model (<0.5 page) An analysis of the open-source project\u2019s context and business model. This may include a short history of the project, competing open- and closed-source projects, or a discussion of the developers\u2019 motivations to build this system. Essentially, we want to know why this project exists and why it is important. Task Description (per task) (<0.5 page) A description of the tasks you have implemented and a high-level description of how you implemented them. Submitted Artifacts (per task) Evidence of the code, documentation, or other artifacts you produced for the task, and evidence that you submitted them to the project. This would likely be links to publicly available resources (repository, email, pull request, etc). QA Strategy (<1 page) Describe which QA activities you performed and justify why you selected these QA activities over others. Describe metrics if appropriate. The justification will likely refer to relevant requirements as well as to the project\u2019s practices. QA Evidence Evidence of your quality assurance activities described above. For example, provide source code or links to source code of tests, provide test protocols, comments or protocols from code reviews, reports from static analysis tools, links to or screenshots from a continuous integration platform, and so forth. Plan Updates (<1 page) A description and justification of deviations between your initial plans and your performed activities (as in Homework 2). Changes are expected, but they should be tracked and explained. Describe changes in scope (e.g., fewer tasks) and in the schedule and work allocation. Provide an updated schedule and note differences. Explain the causes of the changes, such as unanticipated risks. Extra Credit Evidence that your changes have been accepted into the code base of the open source project in forms of links or screenshots. Note: You can also send the merged PR link via Slack to the instructor by December 10th 1pm to claim this bonus as well Page limits are provided for guidance; we will not enforce them. Collect all parts in a single PDF document with clear subsections and the names of all team members and submit that file to Gradescope . Individual Reflection & Peer Evaluations (20 pts) \u00b6 Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of this project will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. Your individual reflection should include: Self Evaluation Describe the work you have done in this project (e.g. code artifacts, documentation) as well as efforts towards helping your team towards completing this project (e.g. research, organizing meetings, running meetings). Peer Evaluations Describe the specific work each of your team members have contributed towards this project. Describe both tangible (e.g. code artifacts, report & slides making, documentation) and intangible (e.g. organizing & running meetings, communicating expectations) contributions. Do point out teammates that you think are exceptional to work with in this project as well. Teamwork You have been in the same team over the course of this semester (Projects 2-5). Look back on the entire semester and reflect on your team experiences. The following questions may guide you: What has worked, what hasn\u2019t? If you could start 313 or another course over with the same team, what would you change? What have you learned about teamwork and your role in teamwork? (Optional) Do you have any feedback on what we can do next year to help students work more effectively in teams? Bear in mind that the instructor-assigned heterogeneous teams of 3-5 students is non-negotiable. We anticipate problems as part of the learning experience, but would like to avoid unduly frustrating situations. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support them. Submit your reflection on Gradescope .","title":"Project 5B & C: Project Presentations, Final Report, and Reflections"},{"location":"projects/P5/2_projectfinal/#project-5b-c-project-presentations-final-report-and-reflections","text":"","title":"Project 5B & C: Project Presentations, Final Report, and Reflections"},{"location":"projects/P5/2_projectfinal/#deliverables","text":"Project Report and Presentation \u2013 due Wednesday, December 6th, 11:59pm Project Report (120 pts) Extra Credit (20 pts) Project Presentation Slides (100 points, graded based on presentation) Presentation Date \u2013 Thursday, December 7th, 8:30am - 11:30am, during exam timeslot Reflection \u2013 due Thursday, December 7th, 11:59pm Reflections & Peer Review (20 pts)","title":"Deliverables"},{"location":"projects/P5/2_projectfinal/#contributing-to-open-source","text":"You should perform adequate quality assurance activities when writing code. Take further steps to understand the project\u2019s code You might find it useful to engage in intra-team discussions using static or dynamic diagrams. You might also find it useful to elicit feedback on your ideas by communicating with members of the open-source community. Submit your changes to the project Create any necessary documentation to enable acceptance of your code. Common contribution mechanisms include pull requests, emails to a project lead, or discussion board posts. You may also need to update the bug database. The project owners will review and evaluate your pull request, and you might need more work to get it approved. You are required to submit your work to the open-source project BONUS: Get your changes accepted You will get a bonus 20 (6%) bonus points upon acceptance. If your code is accepted after the homework deadline but before final grades are released, inform the course staff.","title":"Contributing to Open Source"},{"location":"projects/P5/2_projectfinal/#report-presentation-and-reflection","text":"You will report on your project and task selection, work, and experience in several ways (see below). This will include a group presentation to the class.","title":"Report, Presentation and Reflection"},{"location":"projects/P5/2_projectfinal/#project-presentations-100-pts","text":"The Final Exam time is dedicated to group presentations (in-person) about your open source contributions. Presentations are 7 minutes long, with 3 minutes Q&A . The order of presentations is randomly determined. Participation from all team members during the presentation is required . Every individual will be asked to provide constructive feedback for other presentations in class via an paper form (which we will provide day-of). Presentation Attendance For full credit, you would have to be on time for the presentation session (within 10 minutes of start time). If you are unable to attend in-person, you have to send an email with justification to the instructors at least a week before your final exam timeslot so that appropriate arrangements can be made. Exceptions to notification deadline will only be made for unforseeable circumstances. The goal of the presentation is primarily to share with the class the project to which you contributed, and your experiences. Your presentation should cover the following topics (the recommended slides amount is in parenthesis): High-level Project Overview (~1 slide) Describe the project in terms of its high-level goals and the context in which it operates. This may include a brief history and the business context. E.g. it may be interesting to note that a project was spawned from a closed-source operation, or that it competes primarily with a closed-source counterpart. Brief Task Description(s) (~2 slides) Brief description of the task(s) you performed, such that the audience has sufficient context to understand your explanation of your experiences. A table that briefly summarizes the contribution(s) each team member made towards completing the task(s). We do not expect you to include, for example, any code or diagrams from your report , unless they\u2019re helpful for supporting a point about your interactions with the project. Include a demo of your contribution(s), if applicable. Please do a screen recording of your demo instead of a live demo. Project Processes and Communication (~2 slides) Describe the processes and tools the project uses to coordinate among contributors. For example: Are these processes formal or informal? Provide an explicit description (possibly with a diagram) of the acceptance process used for efforts like the task you completed. If applicable, include standards or expectations regarding software engineering activities including requirements, architecture, and quality assurance; alternatively mention that no such standards exist. Your Experiences (~2 slides) Summarize your experiences (and what you learned!) interacting with this community of open source developers, focusing on any surprising or unusual aspects of the process or interaction. For example Did you run into any trouble understanding, changing, or contributing to a large, pre-existing project? Were there unanticipated challenges in either implementing your change, or in getting the change submitted to and accepted by the project maintainers? Did the project collaboration process or culture help or hinder your effort in any way? Characterize any interaction you had with the team leadership and community, highlighting especially any useful/useless input you received. You may (but are not required to) also relate the experience from this homework assignment with relevant experience from internships or other projects. Your summary of your experiences can be at whatever level of detail you think is interesting or informative. Given the time limit, selecting and highlighting the two or three most important or interesting observations is likely more useful than trying to be complete. You must upload your slides as a single PDF document to Gradescope by Wednesday, December 6th at 11:59pm .","title":"Project Presentations (100 pts)"},{"location":"projects/P5/2_projectfinal/#project-report-120-pts","text":"After completing and submitting the modification, write a report about the tasks you have performed. Your report should include: Selected Project (1 paragraph) A brief description of the open source system to which you contributed. You may reuse text from Part A. Project Context and Business Model (<0.5 page) An analysis of the open-source project\u2019s context and business model. This may include a short history of the project, competing open- and closed-source projects, or a discussion of the developers\u2019 motivations to build this system. Essentially, we want to know why this project exists and why it is important. Task Description (per task) (<0.5 page) A description of the tasks you have implemented and a high-level description of how you implemented them. Submitted Artifacts (per task) Evidence of the code, documentation, or other artifacts you produced for the task, and evidence that you submitted them to the project. This would likely be links to publicly available resources (repository, email, pull request, etc). QA Strategy (<1 page) Describe which QA activities you performed and justify why you selected these QA activities over others. Describe metrics if appropriate. The justification will likely refer to relevant requirements as well as to the project\u2019s practices. QA Evidence Evidence of your quality assurance activities described above. For example, provide source code or links to source code of tests, provide test protocols, comments or protocols from code reviews, reports from static analysis tools, links to or screenshots from a continuous integration platform, and so forth. Plan Updates (<1 page) A description and justification of deviations between your initial plans and your performed activities (as in Homework 2). Changes are expected, but they should be tracked and explained. Describe changes in scope (e.g., fewer tasks) and in the schedule and work allocation. Provide an updated schedule and note differences. Explain the causes of the changes, such as unanticipated risks. Extra Credit Evidence that your changes have been accepted into the code base of the open source project in forms of links or screenshots. Note: You can also send the merged PR link via Slack to the instructor by December 10th 1pm to claim this bonus as well Page limits are provided for guidance; we will not enforce them. Collect all parts in a single PDF document with clear subsections and the names of all team members and submit that file to Gradescope .","title":"Project Report (120 pts)"},{"location":"projects/P5/2_projectfinal/#individual-reflection-peer-evaluations-20-pts","text":"Contributions We want to ensure that everyone is participating fully in the final project. For this project, we will be assessing participation in a variety of ways, including: artifact evaluation, self & peer evaluation. Credit due for the team components of this project will be awarded based on evidence of full participation in the team. Partial participation will receive partial credit. Your individual reflection should include: Self Evaluation Describe the work you have done in this project (e.g. code artifacts, documentation) as well as efforts towards helping your team towards completing this project (e.g. research, organizing meetings, running meetings). Peer Evaluations Describe the specific work each of your team members have contributed towards this project. Describe both tangible (e.g. code artifacts, report & slides making, documentation) and intangible (e.g. organizing & running meetings, communicating expectations) contributions. Do point out teammates that you think are exceptional to work with in this project as well. Teamwork You have been in the same team over the course of this semester (Projects 2-5). Look back on the entire semester and reflect on your team experiences. The following questions may guide you: What has worked, what hasn\u2019t? If you could start 313 or another course over with the same team, what would you change? What have you learned about teamwork and your role in teamwork? (Optional) Do you have any feedback on what we can do next year to help students work more effectively in teams? Bear in mind that the instructor-assigned heterogeneous teams of 3-5 students is non-negotiable. We anticipate problems as part of the learning experience, but would like to avoid unduly frustrating situations. A good reflection document will include concrete statements about lessons learned, with clear supporting evidence, such as examples, to support them. Submit your reflection on Gradescope .","title":"Individual Reflection & Peer Evaluations (20 pts)"},{"location":"readings/R1/","text":"Pre-lecture Reading 1: Software Archeology \u00b6 Material \u00b6 Read the following article: Andy Hunt and Dave Thomas. 2002. Software Archaeology. IEEE Softw. 19, 2 (March 2002), 20\u201322. \u2026 and then answer the reading questions on Gradescope","title":"Pre-lecture Reading 1: Software Archeology"},{"location":"readings/R1/#pre-lecture-reading-1-software-archeology","text":"","title":"Pre-lecture Reading 1: Software Archeology"},{"location":"readings/R1/#material","text":"Read the following article: Andy Hunt and Dave Thomas. 2002. Software Archaeology. IEEE Softw. 19, 2 (March 2002), 20\u201322. \u2026 and then answer the reading questions on Gradescope","title":"Material"},{"location":"recitations/","text":"Coming soon!","title":"Recitations"},{"location":"recitations/deployment-workshop/","text":"Cloud Deployment Workshop \u00b6 Overview \u00b6 Throughout this workshop, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with cloud providers - Render. Set up and get familiarized with the Extreme Startup web app for use in Thursday's (October 5th) recitation. Definitions \u00b6 Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here! Task 0: Setting up your repository \u00b6 For this workshop, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Thursday during the Extreme Startup game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Fork this repo: https://github.com/CMU-17313Q/basic-web-app . Follow the instructions in the readme to run and test the development server locally. Once you have it running locally visit http://localhost:3000 and try different queries like \"Who was Shakespeare?\" and \"What is your Andrew ID?\" Also visit http://localhost:3000/api?q=shakespeare - this is the API endpoint that our game server will use at next week's lecture. Task 1: Continuous Deployment \u00b6 To start off, you'll be deploying the app you just forked on one cloud platform - Render. The goal here is to make your app accessible over the internet. You'll also be setting up continuous deployment such that this deployment is updated with the latest version of the app, whenever you push code to the main branch of your repository. Create an account on Render Create a new Web Service Choose \"Build and deploy from a Git repository\" Click on Configure account under GitHub, to give Render access to your GitHub repositories - this is necessary to setup continuous deployment. Connect your basic-web-app fork to the Web Service you just created Name your web server -313 Set the Runtime to \"Node\", Build Command to npm install; npm run build and Start Command to npm start Select \"Singapore (Southeast Asia)\" as the region Make sure that the \"Free\" Instance Type is selected, and click \"Create Web Service\" When the build completes, click on the link of the form *.onrender.com at the top of the page to view the deployment. Task 2: Implement \"What is your Andrew ID?\" \u00b6 To test that the continuous deployments are working as expected, and familiarize yourself with the basic web app codebase, let's implement support for the query \"What is your Andrew ID?\" Extend the QueryProcessor function to support this question in utils/QueryProcessor.tsx - this is where all the Query Processing logic exists Verify that the implementation is correct by running the app locally and testing manually. Write a test for the query you just implemented in __tests__/utils/QueryProcess.test.ts Verify that the tests function correctly by running npm run test . Commit and push your changes Once pushed, verify that CD is functioning correctly by checking that a new deployment is triggered on Render dashboard. Once the deployments are complete manually verify that both support the query you just implemented. Bonus Task: Continuous Integration \u00b6 While the steps above are all that is required for the Extreme Startup game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Conditional CD In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed on Render. Cool! Remember to do Cloud Deployment Workshop Quiz on Gradescope !","title":"Cloud Deployment Workshop"},{"location":"recitations/deployment-workshop/#cloud-deployment-workshop","text":"","title":"Cloud Deployment Workshop"},{"location":"recitations/deployment-workshop/#overview","text":"Throughout this workshop, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with cloud providers - Render. Set up and get familiarized with the Extreme Startup web app for use in Thursday's (October 5th) recitation.","title":"Overview"},{"location":"recitations/deployment-workshop/#definitions","text":"Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!","title":"Definitions"},{"location":"recitations/deployment-workshop/#task-0-setting-up-your-repository","text":"For this workshop, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Thursday during the Extreme Startup game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Fork this repo: https://github.com/CMU-17313Q/basic-web-app . Follow the instructions in the readme to run and test the development server locally. Once you have it running locally visit http://localhost:3000 and try different queries like \"Who was Shakespeare?\" and \"What is your Andrew ID?\" Also visit http://localhost:3000/api?q=shakespeare - this is the API endpoint that our game server will use at next week's lecture.","title":"Task 0: Setting up your repository"},{"location":"recitations/deployment-workshop/#task-1-continuous-deployment","text":"To start off, you'll be deploying the app you just forked on one cloud platform - Render. The goal here is to make your app accessible over the internet. You'll also be setting up continuous deployment such that this deployment is updated with the latest version of the app, whenever you push code to the main branch of your repository. Create an account on Render Create a new Web Service Choose \"Build and deploy from a Git repository\" Click on Configure account under GitHub, to give Render access to your GitHub repositories - this is necessary to setup continuous deployment. Connect your basic-web-app fork to the Web Service you just created Name your web server -313 Set the Runtime to \"Node\", Build Command to npm install; npm run build and Start Command to npm start Select \"Singapore (Southeast Asia)\" as the region Make sure that the \"Free\" Instance Type is selected, and click \"Create Web Service\" When the build completes, click on the link of the form *.onrender.com at the top of the page to view the deployment.","title":"Task 1: Continuous Deployment"},{"location":"recitations/deployment-workshop/#task-2-implement-what-is-your-andrew-id","text":"To test that the continuous deployments are working as expected, and familiarize yourself with the basic web app codebase, let's implement support for the query \"What is your Andrew ID?\" Extend the QueryProcessor function to support this question in utils/QueryProcessor.tsx - this is where all the Query Processing logic exists Verify that the implementation is correct by running the app locally and testing manually. Write a test for the query you just implemented in __tests__/utils/QueryProcess.test.ts Verify that the tests function correctly by running npm run test . Commit and push your changes Once pushed, verify that CD is functioning correctly by checking that a new deployment is triggered on Render dashboard. Once the deployments are complete manually verify that both support the query you just implemented.","title":"Task 2: Implement \"What is your Andrew ID?\""},{"location":"recitations/deployment-workshop/#bonus-task-continuous-integration","text":"While the steps above are all that is required for the Extreme Startup game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Conditional CD In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed on Render. Cool! Remember to do Cloud Deployment Workshop Quiz on Gradescope !","title":"Bonus Task: Continuous Integration"},{"location":"recitations/reci1-github/","text":"Recitation 1: Using Git & Github for Collaborative Development \u00b6 Overview \u00b6 After this recitation, the students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the GitFlow workflow and how to collaborate with other developers in their projects. Prerequisites \u00b6 You have a GitHub account You have Git installed You have TypeScript installed You know Git Basics You will be doing the activities as pairs, so be sure to find a partner! Unless specified, each step is to be done by both people. Activity 1a: Forking a repo and adding a collaborator \u00b6 Have either you or your partner fork this repository , then add the other person as a collaborator on GitHub. You can do so by clicking on Settings , then Collaborators Under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository Clone the repository onto your local machine Activity 1b: Run a GitHub Action Workflow \u00b6 On Github, click the Actions tab, enable the workflows and select the \u201cLint and Test\u201d workflow Click on the \"Run workflow\" dropdown, then the \"Run workflow\" button (leave Branch to be main ). This runs the GitHub workflow that runs the linter and tests on the project Our GH actions pipeline suggests that the main branch is broken! Let\u2019s walk through the process to fix these errors. Merging to main In practice, you should not merge a branch into the main branch that could cause main to fail. This way, we can ensure that all the code on main is our most recent working product Activity 2: Setting up Kanban board and creating issues \u00b6 Click through the build output and take a look at why eslint is failing. Take note of the names of each file - you should use these when naming your issues! On GitHub, under the Project tab, have one person create a new project with the \"Board\" template. Make sure to set the project to public and invite your partner as a collaborator Go back to the Project tab on the repository page and add the project board Under the Issues tab, have the other person create an issue for for correctly translating each typescript file that fails the eslint workflow Assign yourselves to both issues, one for each person Add the two issues to the project Kanban board under the Todo column Activity 3: Branching, committing, and pushing \u00b6 In your local machine, create a new branch with a relevant name to the issue you are addressing (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ) Fix the issue that you were assigned to, then add and commit the changes Commits should start with a verb, and what it does to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ) Push the branch to remote git push --set-upstream origin Activity 4: Writing pull requests \u00b6 On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch Make sure it is to the main of your own forked repository! By default, Github selects the original repository instead of your own forked repository. Name your pull request appropriately In the description, describe what changes has been made to address the issue, and how has the changes been tested Notice that the GitHub action workflow runs automatically when you create the pull request! You should check that the file you translated passes the eslint check and that the correctness tests still pass Assign the issue you created to the pull request Request your partner for a code review Activity 5a: Doing code reviews and resolving merge conflicts \u00b6 Review your partner\u2019s code (use the review change button). Approve changes if it looks good Once your PR has been reviewed, merge your changes! Resolve any merge conflicts that arises accordingly Return to the Kanban board. If everything was set up correctly, the issue should automatically move into the Done column Activity 5b: Check GitHub actions \u00b6 Click on the Actions tab. If you have resolved all the issues correctly, the tests and linter should now pass, and a green check should show Remember to do Recitation Quiz 1 on Gradescope! Please only open it after you have completed all the steps above.","title":"Recitation 1 - Git Collaboration"},{"location":"recitations/reci1-github/#recitation-1-using-git-github-for-collaborative-development","text":"","title":"Recitation 1: Using Git & Github for Collaborative Development"},{"location":"recitations/reci1-github/#overview","text":"After this recitation, the students should be able to use Git and GitHub for their teamwork in this course and other projects. Students should know about the GitFlow workflow and how to collaborate with other developers in their projects.","title":"Overview"},{"location":"recitations/reci1-github/#prerequisites","text":"You have a GitHub account You have Git installed You have TypeScript installed You know Git Basics You will be doing the activities as pairs, so be sure to find a partner! Unless specified, each step is to be done by both people.","title":"Prerequisites"},{"location":"recitations/reci1-github/#activity-1a-forking-a-repo-and-adding-a-collaborator","text":"Have either you or your partner fork this repository , then add the other person as a collaborator on GitHub. You can do so by clicking on Settings , then Collaborators Under the General tab in Settings , check the \"Issues\" checkbox in the \"Features\" section to enable the issues pane for your repository Clone the repository onto your local machine","title":"Activity 1a: Forking a repo and adding a collaborator"},{"location":"recitations/reci1-github/#activity-1b-run-a-github-action-workflow","text":"On Github, click the Actions tab, enable the workflows and select the \u201cLint and Test\u201d workflow Click on the \"Run workflow\" dropdown, then the \"Run workflow\" button (leave Branch to be main ). This runs the GitHub workflow that runs the linter and tests on the project Our GH actions pipeline suggests that the main branch is broken! Let\u2019s walk through the process to fix these errors. Merging to main In practice, you should not merge a branch into the main branch that could cause main to fail. This way, we can ensure that all the code on main is our most recent working product","title":"Activity 1b: Run a GitHub Action Workflow"},{"location":"recitations/reci1-github/#activity-2-setting-up-kanban-board-and-creating-issues","text":"Click through the build output and take a look at why eslint is failing. Take note of the names of each file - you should use these when naming your issues! On GitHub, under the Project tab, have one person create a new project with the \"Board\" template. Make sure to set the project to public and invite your partner as a collaborator Go back to the Project tab on the repository page and add the project board Under the Issues tab, have the other person create an issue for for correctly translating each typescript file that fails the eslint workflow Assign yourselves to both issues, one for each person Add the two issues to the project Kanban board under the Todo column","title":"Activity 2: Setting up Kanban board and creating issues"},{"location":"recitations/reci1-github/#activity-3-branching-committing-and-pushing","text":"In your local machine, create a new branch with a relevant name to the issue you are addressing (e.g. \"fix-header-sizing-issue\" , \"fix-multiple-dialog-bug\" , \"add-sorting-feature\" ) Fix the issue that you were assigned to, then add and commit the changes Commits should start with a verb, and what it does to the codebase (e.g. \"Remove faulty condition from getCustomerDetails\" , \"Fix failing CompositeTestCase\" , \"Fix issue #21\" ) Push the branch to remote git push --set-upstream origin ","title":"Activity 3: Branching, committing, and pushing"},{"location":"recitations/reci1-github/#activity-4-writing-pull-requests","text":"On GitHub, create a pull request to merge the changes from the branch you have just pushed to the main branch Make sure it is to the main of your own forked repository! By default, Github selects the original repository instead of your own forked repository. Name your pull request appropriately In the description, describe what changes has been made to address the issue, and how has the changes been tested Notice that the GitHub action workflow runs automatically when you create the pull request! You should check that the file you translated passes the eslint check and that the correctness tests still pass Assign the issue you created to the pull request Request your partner for a code review","title":"Activity 4: Writing pull requests"},{"location":"recitations/reci1-github/#activity-5a-doing-code-reviews-and-resolving-merge-conflicts","text":"Review your partner\u2019s code (use the review change button). Approve changes if it looks good Once your PR has been reviewed, merge your changes! Resolve any merge conflicts that arises accordingly Return to the Kanban board. If everything was set up correctly, the issue should automatically move into the Done column","title":"Activity 5a: Doing code reviews and resolving merge conflicts"},{"location":"recitations/reci1-github/#activity-5b-check-github-actions","text":"Click on the Actions tab. If you have resolved all the issues correctly, the tests and linter should now pass, and a green check should show Remember to do Recitation Quiz 1 on Gradescope! Please only open it after you have completed all the steps above.","title":"Activity 5b: Check GitHub actions"},{"location":"recitations/reci10-open-source/","text":"Recitation 10: Open Source Projects \u00b6 Overview \u00b6 This recitation will give you the opportunity to familiarize yourself with various open source projects and help your team with finding a project to work on for Project 5. Context \u00b6 Open source software refers to software where the code is openly available, allowing contributors to freely run, modify, contribute, and redistribute the code. These projects provide a great learning experience of working with large codebases to beginner programmers, and give you the opportunity to contribute to software that\u2019s used by a large number of community members. The general criteria for an open source project: - Repository must be public & open to outside contributors - Repository must have an open source license Scavenger Hunt (30 min) \u00b6 Join the slide deck made by your TA for your class and make a copy of the slide for your team. Then, search for open source projects to fill each square in the Scavenger Hunt table. Each project can only count for one square. The goal is to have as many squares filled as possible! While learning about different open source projects, think about what type of projects you would be interested in working on for Project 5. Reflection (10 min) \u00b6 With your team, discuss the following questions: - Which attributes make a good open source project? A bad open source project? - Which projects did you find that you would most like to work on? Which would you least like to work on? Why? Pick 3 projects that you are interested in pursing for Project 5. Public Project Selection \u00b6 Once your team has decided on an open source project, add it to the Public Project Selection Spreadsheet . Resources \u00b6 A list of beginner friendly projects: https://github.com/MunGell/awesome-for-beginners Github Showcase for new contributors: https://github.com/showcases/great-for-new-contributors Issues that are labeled \u201cup-for-grabs\u201d: https://up-for-grabs.net Apache projects: http://www.apache.org/ Mozilla projects: https://developer.mozilla.org/en-US/docs/MDN/Community/Contributing Mozilla has a number of Open Source projects (including Firefox and Thunderbird) that are actively being developed and they recommend bugs for new contributors","title":"Recitation 10 - Open Source Projects"},{"location":"recitations/reci10-open-source/#recitation-10-open-source-projects","text":"","title":"Recitation 10: Open Source Projects"},{"location":"recitations/reci10-open-source/#overview","text":"This recitation will give you the opportunity to familiarize yourself with various open source projects and help your team with finding a project to work on for Project 5.","title":"Overview"},{"location":"recitations/reci10-open-source/#context","text":"Open source software refers to software where the code is openly available, allowing contributors to freely run, modify, contribute, and redistribute the code. These projects provide a great learning experience of working with large codebases to beginner programmers, and give you the opportunity to contribute to software that\u2019s used by a large number of community members. The general criteria for an open source project: - Repository must be public & open to outside contributors - Repository must have an open source license","title":"Context"},{"location":"recitations/reci10-open-source/#scavenger-hunt-30-min","text":"Join the slide deck made by your TA for your class and make a copy of the slide for your team. Then, search for open source projects to fill each square in the Scavenger Hunt table. Each project can only count for one square. The goal is to have as many squares filled as possible! While learning about different open source projects, think about what type of projects you would be interested in working on for Project 5.","title":"Scavenger Hunt (30 min)"},{"location":"recitations/reci10-open-source/#reflection-10-min","text":"With your team, discuss the following questions: - Which attributes make a good open source project? A bad open source project? - Which projects did you find that you would most like to work on? Which would you least like to work on? Why? Pick 3 projects that you are interested in pursing for Project 5.","title":"Reflection (10 min)"},{"location":"recitations/reci10-open-source/#public-project-selection","text":"Once your team has decided on an open source project, add it to the Public Project Selection Spreadsheet .","title":"Public Project Selection"},{"location":"recitations/reci10-open-source/#resources","text":"A list of beginner friendly projects: https://github.com/MunGell/awesome-for-beginners Github Showcase for new contributors: https://github.com/showcases/great-for-new-contributors Issues that are labeled \u201cup-for-grabs\u201d: https://up-for-grabs.net Apache projects: http://www.apache.org/ Mozilla projects: https://developer.mozilla.org/en-US/docs/MDN/Community/Contributing Mozilla has a number of Open Source projects (including Firefox and Thunderbird) that are actively being developed and they recommend bugs for new contributors","title":"Resources"},{"location":"recitations/reci11-p5-checkin/","text":"Recitation 11: Open Source Project and Task Selection Check In \u00b6 This recitation is dedicated to an in-person group presentation about your project and task selection. See P5A: Project and Task Selection for more details. Make sure to submit your slides on Gradescope before you present. Use this form to provide feedback on all peer presentation. Participation credit will be provided based on the feedback you provide.","title":"Recitation 10 - Open Source Projects"},{"location":"recitations/reci11-p5-checkin/#recitation-11-open-source-project-and-task-selection-check-in","text":"This recitation is dedicated to an in-person group presentation about your project and task selection. See P5A: Project and Task Selection for more details. Make sure to submit your slides on Gradescope before you present. Use this form to provide feedback on all peer presentation. Participation credit will be provided based on the feedback you provide.","title":"Recitation 11: Open Source Project and Task Selection Check In"},{"location":"recitations/reci2-teamcontract/","text":"Recitation 2: Team Contract Workshop \u00b6 Overview \u00b6 After this recitation, students will have met their teams and completed a rough draft of the teamwork contract they'll submit for Project 2. Students will meet their teams and discuss important aspects of team work such as setting expectations, managing communication, and distributing responsibility. Prerequisites \u00b6 None! You will be doing the activities in your teams. Sit with them! Activity 1: Get to know your team! \u00b6 See team assignments. Do some quick intros, then get ready for.. Activity 1a: Similarities! \u00b6 In your group, spend 5 minutes finding things that every group member has in common. If your team has n people, find n such similarities. Try to avoid simple things like: everyone is a CMU student, everyone is enrolled in 313, everyone loves 313, etc\u2026 Activity 1b: Team Name \u00b6 As part of Project 2, you\u2019ll need to come up with a name for your team. Do so now! As per the project handout, your name should be \u201cunique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children.\u201d Activity 2: Team Contract \u00b6 In Project 2, we'll ask you to write up and submit a team contract, which will be a written record of how your team will work together. In this activity, we'll create a rough outline of the team contract and start the discussions around important team building and teamwork topics. First, determine where you'll write your contract and how you'll keep track of the talking points you discuss today. We suggest creating a shared Google Drive folder and doc for easy access and editing. Next, you'll work through each of the following sections with your team and as a class. Think about your prior experience working in other teams (work, school, sports, etc) and try to anticipate what might come up over the course of the semester. After each section, we'll discuss as a class and see what you came up with! Activity 2a: Expectations \u00b6 Here are some of the important questions to consider regarding setting expectations: How much time is each team member expected to be putting into working on projects? How will you deal with unforeseen circumstances affecting team members (sickness, interviews, competitions)? Activity 2b: Communication and Scheduling \u00b6 Here are some important questions to consider regarding team communication: When will your team meet? Setting aside a day and time to have recurring meetings is an important marker of team success. What platform (s) will your team be using to communicate? How quickly should team members respond? Will you meet in person or through Zoom? What will / will you not accommodate? If a deadline is approaching and there is still work to be done, how will you meet / communicate? Activity 2c: Responsibilities and Conflict Resolution \u00b6 Here are some important questions to consider regarding distributing responsibilities and what your team might do in the case of any conflict: How will you divide responsibilities and tasks between team members? Who will be in charge of organizing, running, and taking notes during meetings ? How will you rotate this responsibility? How will you address any teamwork issues that may come up? What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? Remember to do Recitation Quiz 2 on Gradescope! Please only open it after you have completed all the steps above.","title":"Recitation 2 - Team Contract Workshop"},{"location":"recitations/reci2-teamcontract/#recitation-2-team-contract-workshop","text":"","title":"Recitation 2: Team Contract Workshop"},{"location":"recitations/reci2-teamcontract/#overview","text":"After this recitation, students will have met their teams and completed a rough draft of the teamwork contract they'll submit for Project 2. Students will meet their teams and discuss important aspects of team work such as setting expectations, managing communication, and distributing responsibility.","title":"Overview"},{"location":"recitations/reci2-teamcontract/#prerequisites","text":"None! You will be doing the activities in your teams. Sit with them!","title":"Prerequisites"},{"location":"recitations/reci2-teamcontract/#activity-1-get-to-know-your-team","text":"See team assignments. Do some quick intros, then get ready for..","title":"Activity 1: Get to know your team!"},{"location":"recitations/reci2-teamcontract/#activity-1a-similarities","text":"In your group, spend 5 minutes finding things that every group member has in common. If your team has n people, find n such similarities. Try to avoid simple things like: everyone is a CMU student, everyone is enrolled in 313, everyone loves 313, etc\u2026","title":"Activity 1a: Similarities!"},{"location":"recitations/reci2-teamcontract/#activity-1b-team-name","text":"As part of Project 2, you\u2019ll need to come up with a name for your team. Do so now! As per the project handout, your name should be \u201cunique, pronounceable, short, and something you would be proud to shout in your team cheer on the streets of Pittsburgh in the presence of small, impressionable, multilingual children.\u201d","title":"Activity 1b: Team Name"},{"location":"recitations/reci2-teamcontract/#activity-2-team-contract","text":"In Project 2, we'll ask you to write up and submit a team contract, which will be a written record of how your team will work together. In this activity, we'll create a rough outline of the team contract and start the discussions around important team building and teamwork topics. First, determine where you'll write your contract and how you'll keep track of the talking points you discuss today. We suggest creating a shared Google Drive folder and doc for easy access and editing. Next, you'll work through each of the following sections with your team and as a class. Think about your prior experience working in other teams (work, school, sports, etc) and try to anticipate what might come up over the course of the semester. After each section, we'll discuss as a class and see what you came up with!","title":"Activity 2: Team Contract"},{"location":"recitations/reci2-teamcontract/#activity-2a-expectations","text":"Here are some of the important questions to consider regarding setting expectations: How much time is each team member expected to be putting into working on projects? How will you deal with unforeseen circumstances affecting team members (sickness, interviews, competitions)?","title":"Activity 2a: Expectations"},{"location":"recitations/reci2-teamcontract/#activity-2b-communication-and-scheduling","text":"Here are some important questions to consider regarding team communication: When will your team meet? Setting aside a day and time to have recurring meetings is an important marker of team success. What platform (s) will your team be using to communicate? How quickly should team members respond? Will you meet in person or through Zoom? What will / will you not accommodate? If a deadline is approaching and there is still work to be done, how will you meet / communicate?","title":"Activity 2b: Communication and Scheduling"},{"location":"recitations/reci2-teamcontract/#activity-2c-responsibilities-and-conflict-resolution","text":"Here are some important questions to consider regarding distributing responsibilities and what your team might do in the case of any conflict: How will you divide responsibilities and tasks between team members? Who will be in charge of organizing, running, and taking notes during meetings ? How will you rotate this responsibility? How will you address any teamwork issues that may come up? What are the steps the team would take to address teammates who are contributing too little, and when will the team bring this up to the instructors? Remember to do Recitation Quiz 2 on Gradescope! Please only open it after you have completed all the steps above.","title":"Activity 2c: Responsibilities and Conflict Resolution"},{"location":"recitations/reci3-archaeology/","text":"Recitation 3: Software Archaeology \u00b6 Overview \u00b6 In today\u2019s recitation, we will practice getting to know an unknown codebase specifically in the context of a bug in a python-clone of Instagram, Albumy. Let's fix some bugs! Check out this issue of the bug. Currently, comments can\u2019t be deleted. Even if we click on the delete button, it does not work. Task 0: Clone the repo \u00b6 Fork this repository and clone it. Follow the README to install the necessary modules and run Albumy. Task 1: Reproduce the bug \u00b6 After you've successfully ran the program, go through it to reproduce the bug. Task 2: Diving into the code and fixing the bug \u00b6 Let\u2019s learn more about this bug! Your high-level goal is to identify the code producing the bug and remember more about the bug en route to fix it. We\u2019d like you to dive into the codebase and \u201cexcavate\u201d the buggy code. Try some or all of the following tasks: Explore the albumy directory Can you find functions that look like the same buggy code you\u2019ve found? Use your IDE to jump to a definition implicated in the code you\u2019re debugging Try making a change! It will reflect in the UI. Can you fix the bug? Task 3: Making a Pull Request \u00b6 If you\u2019ve finished all that, Add and commit your changes Push the code to your forked repository. Create a pull request that links the issue.","title":"Recitation 3 - Software Archaeology"},{"location":"recitations/reci3-archaeology/#recitation-3-software-archaeology","text":"","title":"Recitation 3: Software Archaeology"},{"location":"recitations/reci3-archaeology/#overview","text":"In today\u2019s recitation, we will practice getting to know an unknown codebase specifically in the context of a bug in a python-clone of Instagram, Albumy. Let's fix some bugs! Check out this issue of the bug. Currently, comments can\u2019t be deleted. Even if we click on the delete button, it does not work.","title":"Overview"},{"location":"recitations/reci3-archaeology/#task-0-clone-the-repo","text":"Fork this repository and clone it. Follow the README to install the necessary modules and run Albumy.","title":"Task 0: Clone the repo"},{"location":"recitations/reci3-archaeology/#task-1-reproduce-the-bug","text":"After you've successfully ran the program, go through it to reproduce the bug.","title":"Task 1: Reproduce the bug"},{"location":"recitations/reci3-archaeology/#task-2-diving-into-the-code-and-fixing-the-bug","text":"Let\u2019s learn more about this bug! Your high-level goal is to identify the code producing the bug and remember more about the bug en route to fix it. We\u2019d like you to dive into the codebase and \u201cexcavate\u201d the buggy code. Try some or all of the following tasks: Explore the albumy directory Can you find functions that look like the same buggy code you\u2019ve found? Use your IDE to jump to a definition implicated in the code you\u2019re debugging Try making a change! It will reflect in the UI. Can you fix the bug?","title":"Task 2: Diving into the code and fixing the bug"},{"location":"recitations/reci3-archaeology/#task-3-making-a-pull-request","text":"If you\u2019ve finished all that, Add and commit your changes Push the code to your forked repository. Create a pull request that links the issue.","title":"Task 3: Making a Pull Request"},{"location":"recitations/reci4-dysfunction/","text":"Recitation 4: Team Dysfunction \u00b6 Overview \u00b6 This recitation will give you the opportunity to practice and reflect on the roles you play within a team. We'll be going over common team dysfunction issues and discuss mitigation strategies. Context \u00b6 All teams are inherently dysfunctional in some sense. This is inevitable as they are made up of fallible, imperfect human beings, each with different goals and intentions. Thankfully, the causes of dysfunction are both identifiable and curable, but definitely not easy to resolve. Making a team functional and cohesive requires courage, good communication, and a strong resolve to making the team better. Part 0: Preparation \u00b6 We have pre-assigned each team to a set of roles. Have each member of the team choose a role from the options we give you. Keep your role secret from the other groups! We will have the audience guess your roles when your team presents to the class. Part 1: Task Planning Meeting Rehearsal (5 min) \u00b6 Congratulations! Your team has been hired as software developers to work on CMU's graduate school application system. We have assigned each team to a specifc task. Each group's tasks are below. You only have to roleplay your assigned task. As a team, research and find tools that can be used to improve your assigned system. Compare the strengths and weaknesses of the tools. At the end of this activity, your group should have agreed on a tool to use. Be sure to also assign each member a task in order to integrate the tool into your assigned system. Team 1 \u00b6 For your first assignment, you've been asked to develop a better system for handling online payments made by graduate students for their applications. Team 2 \u00b6 For your first assignment, you've been asked to develop a better system for sending acceptances to accepted students. Team 3 \u00b6 For your first assignment, you've been asked to develop a better system for students to log in to their application portal. Team 4 \u00b6 For your first assignment, you've been asked to develop a better system for students to upload documents to their application. Activity Notes: Each member should act as their role during the meeting. Try to fix the dysfunction presented in this meeting and reflect on how you would fix similar issues if they come up in Project 2. Part 2: Presentations! (15 min) \u00b6 Each group will present their meeting to the class (~2 minutes per presentation). The audience will then guess the roles of each of the members of the presenting group. Best group will win a prize! Part 3: Class Discussion (15 min) \u00b6 As a class, discuss the following questions: Were you able to identify the roles played by the other groups? What problems were caused by their behavior? How would you handle these dysfunctional characteristics in future situations? Can you think of mitigation strategies and solutions to avoid these problems? Appendix A: Role Descriptions \u00b6 Below a description of the roles for each number 1-7 and the behavior of each one: The Contributor: You are aiming for general team success. Ask for your team members' opinions often, actively discuss solutions with your team, and demonstrate engagement throughout the activity. The Know-It-All: You think you are extremely experienced and know how to solve all problems on your own. Act like you don't need any help and just tell your team to watch while you search for the tool. Be pushy in telling other members how to search for information about the tool and shoot other members' ideas down. The Silent One: You assume your team members know everything and don\u2019t feel you need to say much. Pay attention to the meeting, but simply do not suggest anything. Remain passive but friendly. The Agreer: You are afraid of raising conflicts and hence decided to just go along with whatever your team decides. Agree with everything during the activity and do not question the decisions of your team. The Hitchhiker: Your goal is to do as little work as possible. Be friendly but not productive. Try to end the meeting as quickly as possible so you can slack off. Get other people to step in for you and take over your tasks. Make fake attempts to make it look like you tried to figure out the task, then pass off the work to someone else. The Flaker: You're interested in the project, but don't want to contribute more time than necessary. Actively contribute to group discussions until tasks are being assigned, then begin giving reasons why you can't contribute more (i.e. busy with interview prep, midterm, or other assignments). If asked to do something else, continue finding other excuses on why you can\u2019t contribute. The Perfectionist: You want this project to be absolutely perfect in even the most minor details. To you, it's most important that the tool\u2019s source code is fully readable, perfectly documented, has a large test suite, and is aesthetically pleasing , and you will argue for or against the tool based on these minor details.","title":"Recitation 4 - Team Dysfunction"},{"location":"recitations/reci4-dysfunction/#recitation-4-team-dysfunction","text":"","title":"Recitation 4: Team Dysfunction"},{"location":"recitations/reci4-dysfunction/#overview","text":"This recitation will give you the opportunity to practice and reflect on the roles you play within a team. We'll be going over common team dysfunction issues and discuss mitigation strategies.","title":"Overview"},{"location":"recitations/reci4-dysfunction/#context","text":"All teams are inherently dysfunctional in some sense. This is inevitable as they are made up of fallible, imperfect human beings, each with different goals and intentions. Thankfully, the causes of dysfunction are both identifiable and curable, but definitely not easy to resolve. Making a team functional and cohesive requires courage, good communication, and a strong resolve to making the team better.","title":"Context"},{"location":"recitations/reci4-dysfunction/#part-0-preparation","text":"We have pre-assigned each team to a set of roles. Have each member of the team choose a role from the options we give you. Keep your role secret from the other groups! We will have the audience guess your roles when your team presents to the class.","title":"Part 0: Preparation"},{"location":"recitations/reci4-dysfunction/#part-1-task-planning-meeting-rehearsal-5-min","text":"Congratulations! Your team has been hired as software developers to work on CMU's graduate school application system. We have assigned each team to a specifc task. Each group's tasks are below. You only have to roleplay your assigned task. As a team, research and find tools that can be used to improve your assigned system. Compare the strengths and weaknesses of the tools. At the end of this activity, your group should have agreed on a tool to use. Be sure to also assign each member a task in order to integrate the tool into your assigned system.","title":"Part 1: Task Planning Meeting Rehearsal (5 min)"},{"location":"recitations/reci4-dysfunction/#team-1","text":"For your first assignment, you've been asked to develop a better system for handling online payments made by graduate students for their applications.","title":"Team 1"},{"location":"recitations/reci4-dysfunction/#team-2","text":"For your first assignment, you've been asked to develop a better system for sending acceptances to accepted students.","title":"Team 2"},{"location":"recitations/reci4-dysfunction/#team-3","text":"For your first assignment, you've been asked to develop a better system for students to log in to their application portal.","title":"Team 3"},{"location":"recitations/reci4-dysfunction/#team-4","text":"For your first assignment, you've been asked to develop a better system for students to upload documents to their application. Activity Notes: Each member should act as their role during the meeting. Try to fix the dysfunction presented in this meeting and reflect on how you would fix similar issues if they come up in Project 2.","title":"Team 4"},{"location":"recitations/reci4-dysfunction/#part-2-presentations-15-min","text":"Each group will present their meeting to the class (~2 minutes per presentation). The audience will then guess the roles of each of the members of the presenting group. Best group will win a prize!","title":"Part 2: Presentations! (15 min)"},{"location":"recitations/reci4-dysfunction/#part-3-class-discussion-15-min","text":"As a class, discuss the following questions: Were you able to identify the roles played by the other groups? What problems were caused by their behavior? How would you handle these dysfunctional characteristics in future situations? Can you think of mitigation strategies and solutions to avoid these problems?","title":"Part 3: Class Discussion (15 min)"},{"location":"recitations/reci4-dysfunction/#appendix-a-role-descriptions","text":"Below a description of the roles for each number 1-7 and the behavior of each one: The Contributor: You are aiming for general team success. Ask for your team members' opinions often, actively discuss solutions with your team, and demonstrate engagement throughout the activity. The Know-It-All: You think you are extremely experienced and know how to solve all problems on your own. Act like you don't need any help and just tell your team to watch while you search for the tool. Be pushy in telling other members how to search for information about the tool and shoot other members' ideas down. The Silent One: You assume your team members know everything and don\u2019t feel you need to say much. Pay attention to the meeting, but simply do not suggest anything. Remain passive but friendly. The Agreer: You are afraid of raising conflicts and hence decided to just go along with whatever your team decides. Agree with everything during the activity and do not question the decisions of your team. The Hitchhiker: Your goal is to do as little work as possible. Be friendly but not productive. Try to end the meeting as quickly as possible so you can slack off. Get other people to step in for you and take over your tasks. Make fake attempts to make it look like you tried to figure out the task, then pass off the work to someone else. The Flaker: You're interested in the project, but don't want to contribute more time than necessary. Actively contribute to group discussions until tasks are being assigned, then begin giving reasons why you can't contribute more (i.e. busy with interview prep, midterm, or other assignments). If asked to do something else, continue finding other excuses on why you can\u2019t contribute. The Perfectionist: You want this project to be absolutely perfect in even the most minor details. To you, it's most important that the tool\u2019s source code is fully readable, perfectly documented, has a large test suite, and is aesthetically pleasing , and you will argue for or against the tool based on these minor details.","title":"Appendix A: Role Descriptions"},{"location":"recitations/reci5-midterm-review/","text":"Recitation 5: Midterm Review \u00b6 Overview \u00b6 As we have our midterm scheduled for Tuesday, October 3rd, this recitation slot will be used for a midterm review. Complete the exams from past years listed below and come to recitation with any questions! Note: As we have not yet covered software engineering for ML this semester, please ignore those questions. The SE4ML material will not appear on the exam. Exams \u00b6 Fall 2020 Fall 2021 Fall 2022","title":"Recitation 5 - Midterm Review"},{"location":"recitations/reci5-midterm-review/#recitation-5-midterm-review","text":"","title":"Recitation 5: Midterm Review"},{"location":"recitations/reci5-midterm-review/#overview","text":"As we have our midterm scheduled for Tuesday, October 3rd, this recitation slot will be used for a midterm review. Complete the exams from past years listed below and come to recitation with any questions! Note: As we have not yet covered software engineering for ML this semester, please ignore those questions. The SE4ML material will not appear on the exam.","title":"Overview"},{"location":"recitations/reci5-midterm-review/#exams","text":"Fall 2020 Fall 2021 Fall 2022","title":"Exams"},{"location":"recitations/reci6-deployment/","text":"Recitation 6: Deployment \u00b6 Overview \u00b6 Throughout this recitation, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with Fly.io (or Vercel as a backup) Set up the Extreme Startup web app for use in Tuesday's (3/14) lecture Definitions \u00b6 Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here! Task 0: Prep \u00b6 For this recitation, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Tuesday during the ~Extreme Startup~ game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Warning Do not use codespaces for this task, and the rest of the recitation. Everything must be done locally. Fork this repo: https://github.com/CMU-313/basic-web-app . Follow the instructions in the readme to run the development server locally. Install the Fly.io CLI and set up the Fly.io account that you'll use to host your app. Complete steps 1-3 of the instructions here . In your local basic-web-app repo, run fly launch followed by fly open Now check your fly.io dashboard to monitor your app deployment. This has already been a lot of instructions, so good job for getting this far!!! Note: Fly.io offers a free tier and you should not be required to enter any credit card info for the purposes of this recitation. If you get a message saying that a credit card is required, you can complete the recitation using Vercel instead. See the backup instructions below. Task 1: Continuous Deployment \u00b6 Next, we'll setup CD. Our goal is to set up a GitHub action that links to our Fly.io account and automatically redeploys a new version of our app whenever a new change is pushed into the main branch. The steps to do this are as follows: Get a Fly API token with flyctl auth token . Go to your fork on GitHub and click Settings. Go to Secrets and Variables > Actions and create a repository secret called FLY_API_TOKEN with the value of the token from the previous step. This is how GitHub will link to your Fly.io account. Double check that fly.toml (the config file fly.io uses for deployment) is not listed in your .gitignore . Create a new file .github/workflows/fly.yml .This is the file that will outline instructions for the GitHub action. Fill the file with the contents listed under step 8 here . Commit and push your changes! Now let's take a step back and understand what we've done. First, we generated an authorization token and used it to connect Fly.io to our GitHub repo. Then, we created a fly.yml file setting up a GitHub action that automatically runs the deployment commands whenever a push is made to the main branch. See if you can figure out which lines do what in the code above! Now, look through the codebase and try to change the header on your app's frontend while testing with the local development server. Once you have made your changes, commit and push them. Back on GitHub, you should see the Action trigger and your app will redeploy! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed. Cool! Bonus Task: Continuous Integration \u00b6 While the steps above are all that is required for the ~Extreme Startup~ game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Note: In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! Once this is complete, you will be ready for the game tomorrow. Good job and good luck! Remember to do Recitation 6 Quiz on Gradescope! Vercel Backup Instructions \u00b6 Task 0 \u00b6 See the instructions here to setup a Vercel deployment. Task 1 \u00b6 To learn how to setup a deployment GitHub action for Vercel, see here . Task 2 \u00b6 Same as above!","title":"Recitation 6: Deployment"},{"location":"recitations/reci6-deployment/#recitation-6-deployment","text":"","title":"Recitation 6: Deployment"},{"location":"recitations/reci6-deployment/#overview","text":"Throughout this recitation, students will: Understand the fundamental steps involved in deployment Learn about CI/CD and the basics of how to set it up in a Github repo Get hands on experience deploying with Fly.io (or Vercel as a backup) Set up the Extreme Startup web app for use in Tuesday's (3/14) lecture","title":"Overview"},{"location":"recitations/reci6-deployment/#definitions","text":"Before we begin, we have to understand our goals with CI/CD. It is a software development approach that utilizes frequent, automated testing and deployment to ensure that changes to the codebase can be rapidly and safely incorporated into the production environment. Continuous Integration (CI) refers to the practice of automatically building and testing the codebase whenever new changes are introduced. This involves integrating code changes from multiple developers into a shared repository and running automated tests to ensure that the changes do not break the existing functionality. Continuous Deployment/Delivery (CD) refers to the practice of automatically deploying code changes to the production environment after they have been tested and approved. Continuous Deployment involves automatically deploying changes to the production environment as soon as they pass automated tests, while Continuous Delivery involves deploying changes to a staging environment for further testing and approval before being deployed to production. Together, CI/CD enables software teams to rapidly and safely develop, test, and deploy changes to the codebase, improving the speed and quality of software delivery while reducing the risk of errors and downtime. There's quite a lot to learn about CI/CD. If you're interested in learning more, click here!","title":"Definitions"},{"location":"recitations/reci6-deployment/#task-0-prep","text":"For this recitation, we'll be working with a basic web app built on Next.js that responds to HTTP requests. Your job on Tuesday during the ~Extreme Startup~ game will be to parse these requests and figure out what the correct response is. Today we'll focus on setting up the app so that everything is in place for the game. The steps to do this are as follows: Warning Do not use codespaces for this task, and the rest of the recitation. Everything must be done locally. Fork this repo: https://github.com/CMU-313/basic-web-app . Follow the instructions in the readme to run the development server locally. Install the Fly.io CLI and set up the Fly.io account that you'll use to host your app. Complete steps 1-3 of the instructions here . In your local basic-web-app repo, run fly launch followed by fly open Now check your fly.io dashboard to monitor your app deployment. This has already been a lot of instructions, so good job for getting this far!!! Note: Fly.io offers a free tier and you should not be required to enter any credit card info for the purposes of this recitation. If you get a message saying that a credit card is required, you can complete the recitation using Vercel instead. See the backup instructions below.","title":"Task 0: Prep"},{"location":"recitations/reci6-deployment/#task-1-continuous-deployment","text":"Next, we'll setup CD. Our goal is to set up a GitHub action that links to our Fly.io account and automatically redeploys a new version of our app whenever a new change is pushed into the main branch. The steps to do this are as follows: Get a Fly API token with flyctl auth token . Go to your fork on GitHub and click Settings. Go to Secrets and Variables > Actions and create a repository secret called FLY_API_TOKEN with the value of the token from the previous step. This is how GitHub will link to your Fly.io account. Double check that fly.toml (the config file fly.io uses for deployment) is not listed in your .gitignore . Create a new file .github/workflows/fly.yml .This is the file that will outline instructions for the GitHub action. Fill the file with the contents listed under step 8 here . Commit and push your changes! Now let's take a step back and understand what we've done. First, we generated an authorization token and used it to connect Fly.io to our GitHub repo. Then, we created a fly.yml file setting up a GitHub action that automatically runs the deployment commands whenever a push is made to the main branch. See if you can figure out which lines do what in the code above! Now, look through the codebase and try to change the header on your app's frontend while testing with the local development server. Once you have made your changes, commit and push them. Back on GitHub, you should see the Action trigger and your app will redeploy! With this complete, you'll be able to quickly iterate and any changes you make and push to your fork will be automatically deployed. Cool!","title":"Task 1: Continuous Deployment"},{"location":"recitations/reci6-deployment/#bonus-task-continuous-integration","text":"While the steps above are all that is required for the ~Extreme Startup~ game, we'll spend the rest of the recitation setting up CI for our repo as well. For our purposes, we'll set up an action that runs ESLint and our Jest tests whenever we push to the repo. The process will be similar to above. Create a new .github/workflows/test.yml Copy the following into the files and fill in the blanks appropriately! name: __BLANK 1__ on: push: branches: - main jobs: __BLANK 2__: runs-on: ubuntu-latest name: __BLANK 3__ steps: - uses: actions/checkout@v3 - uses: bahmutov/npm-install@v1 - run: npm run __BLANK 4__ (Run ESLint) - run: __BLANK 5__ (Run Jest) Hint: Look at the readme of the basic-web-app repo! Note: In an ideal world, you would condition the deployment action on this action, such that your app is only deployed if the linter and tests pass. Sadly, our world is not ideal :(, but if you want to learn more, click here and here ! Once this is complete, you will be ready for the game tomorrow. Good job and good luck! Remember to do Recitation 6 Quiz on Gradescope!","title":"Bonus Task: Continuous Integration"},{"location":"recitations/reci6-deployment/#vercel-backup-instructions","text":"","title":"Vercel Backup Instructions"},{"location":"recitations/reci6-deployment/#task-0","text":"See the instructions here to setup a Vercel deployment.","title":"Task 0"},{"location":"recitations/reci6-deployment/#task-1","text":"To learn how to setup a deployment GitHub action for Vercel, see here .","title":"Task 1"},{"location":"recitations/reci6-deployment/#task-2","text":"Same as above!","title":"Task 2"},{"location":"recitations/reci7-docker/","text":"Recitation 7: Microservices and Docker \u00b6 Prerequisites \u00b6 You should have downloaded Docker. If you haven't follow the installation instructions here Setup Instructions (10 min): \u00b6 Fork this repo and clone it. Overview \u00b6 During this recitation, students will create a simple FastAPI app, containerize it and deploy it. Context \u00b6 Whos-my-ta is a microservice that provides information about recitation sections. By using the section_id endpoint, you can enter the section id (for example: a) to get the names of the TAs that are in charge of that section. Try it out using this link: https://whos-my-ta.fly.dev/section_id/a Sadly, you still are unsure when your recitation time is. All you have to do is build a new service that builds on top of this microservice by including the time of the recitation as well. You will do this by implementing the section_info endpoint. The endpoint has to return a JSON object in the following form: { \"section\" : \"section_name\" , \"start_time\" : \"HH:MM\" , \"end_time\" : \"HH:MM\" , \"ta\" : [ \"taName1\" , \"taName2\" ] } Activity \u00b6 Implement the section_info endpoint according to the specifications. You can edit app/main.py to do so. Test it by running the app locally. To install necessary files: pip install -r requirements.txt To run the app locally use the following command. Change the port number if you need to: uvicorn app.main:app --host 0.0.0.0 --port 8080 Implement ./Dockerfile . You can use the slides and this link as resources. Create the docker image using the command below, and check that the image has been created. docker build -t YOUR_IMAGE_NAME . Implement ./docker-compose.yml . You can use the slides for reference. Create a container using the docker image using the command below. docker-compose up -d Check that your container is running correctly by locally invoking the endpoint. You can try http://localhost:8080/section_id/a . Change the port number (8080) according to your docker-compose.yml . Bonus \u00b6 Try deploying your container using instructions from here .","title":"Recitation 7: Microservices and Docker"},{"location":"recitations/reci7-docker/#recitation-7-microservices-and-docker","text":"","title":"Recitation 7: Microservices and Docker"},{"location":"recitations/reci7-docker/#prerequisites","text":"You should have downloaded Docker. If you haven't follow the installation instructions here","title":"Prerequisites"},{"location":"recitations/reci7-docker/#setup-instructions-10-min","text":"Fork this repo and clone it.","title":"Setup Instructions (10 min):"},{"location":"recitations/reci7-docker/#overview","text":"During this recitation, students will create a simple FastAPI app, containerize it and deploy it.","title":"Overview"},{"location":"recitations/reci7-docker/#context","text":"Whos-my-ta is a microservice that provides information about recitation sections. By using the section_id endpoint, you can enter the section id (for example: a) to get the names of the TAs that are in charge of that section. Try it out using this link: https://whos-my-ta.fly.dev/section_id/a Sadly, you still are unsure when your recitation time is. All you have to do is build a new service that builds on top of this microservice by including the time of the recitation as well. You will do this by implementing the section_info endpoint. The endpoint has to return a JSON object in the following form: { \"section\" : \"section_name\" , \"start_time\" : \"HH:MM\" , \"end_time\" : \"HH:MM\" , \"ta\" : [ \"taName1\" , \"taName2\" ] }","title":"Context"},{"location":"recitations/reci7-docker/#activity","text":"Implement the section_info endpoint according to the specifications. You can edit app/main.py to do so. Test it by running the app locally. To install necessary files: pip install -r requirements.txt To run the app locally use the following command. Change the port number if you need to: uvicorn app.main:app --host 0.0.0.0 --port 8080 Implement ./Dockerfile . You can use the slides and this link as resources. Create the docker image using the command below, and check that the image has been created. docker build -t YOUR_IMAGE_NAME . Implement ./docker-compose.yml . You can use the slides for reference. Create a container using the docker image using the command below. docker-compose up -d Check that your container is running correctly by locally invoking the endpoint. You can try http://localhost:8080/section_id/a . Change the port number (8080) according to your docker-compose.yml .","title":"Activity"},{"location":"recitations/reci7-docker/#bonus","text":"Try deploying your container using instructions from here .","title":"Bonus"},{"location":"recitations/reci8-team-feedback/","text":"Recitation 8: Team Feedback \u00b6 Review the feedback provided by your teammates, and work with your team to identify and address issues on your team. Do so by following the instructions on the handout provided during recitation. You can also access the handout here. Turn in your action plan Make sure to submit your completed action plan on gradescope to receive participation credit for this recitation.","title":"Recitation 8 - Team Feedback"},{"location":"recitations/reci8-team-feedback/#recitation-8-team-feedback","text":"Review the feedback provided by your teammates, and work with your team to identify and address issues on your team. Do so by following the instructions on the handout provided during recitation. You can also access the handout here. Turn in your action plan Make sure to submit your completed action plan on gradescope to receive participation credit for this recitation.","title":"Recitation 8: Team Feedback"},{"location":"recitations/reci9-actionplan/","text":"Recitation 9: Action Plan \u00b6 Overview \u00b6 This recitation will give you the opportunity to get feedback from your teammates, as well as work together to create an action plan for your future. Individual Relflection Team Discussion Action Plan","title":"Recitation 9 - Action Plan"},{"location":"recitations/reci9-actionplan/#recitation-9-action-plan","text":"","title":"Recitation 9: Action Plan"},{"location":"recitations/reci9-actionplan/#overview","text":"This recitation will give you the opportunity to get feedback from your teammates, as well as work together to create an action plan for your future. Individual Relflection Team Discussion Action Plan","title":"Overview"},{"location":"recitations/reci9-ml/","text":"Recitation 9: Machine Learning \u00b6 Setup Instructions: \u00b6 Go to this repo and clone it Make sure you can run the jupyter notebooks Google Colab is one option to do this (NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook) Make sure to connect to google drive and upload the titanic data set folder, double check the file paths in the notebook to make sure they match You can also run it locally if you have jupyter setup Overview \u00b6 During this recitation, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students! Context \u00b6 You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb. Activity 1: Examine the Titanic Dataset (10 mins) \u00b6 The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it? Activity 2: Import and Analyze Models (5 min) \u00b6 We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section. Activity 3: Fairness Metrics Evaluation (15 mins) \u00b6 An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates. Activity 4: Recommendation (10 mins) \u00b6 Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Recitation 9 - Machine Learning"},{"location":"recitations/reci9-ml/#recitation-9-machine-learning","text":"","title":"Recitation 9: Machine Learning"},{"location":"recitations/reci9-ml/#setup-instructions","text":"Go to this repo and clone it Make sure you can run the jupyter notebooks Google Colab is one option to do this (NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook) Make sure to connect to google drive and upload the titanic data set folder, double check the file paths in the notebook to make sure they match You can also run it locally if you have jupyter setup","title":"Setup Instructions:"},{"location":"recitations/reci9-ml/#overview","text":"During this recitation, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!","title":"Overview"},{"location":"recitations/reci9-ml/#context","text":"You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb.","title":"Context"},{"location":"recitations/reci9-ml/#activity-1-examine-the-titanic-dataset-10-mins","text":"The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it?","title":"Activity 1: Examine the Titanic Dataset (10 mins)"},{"location":"recitations/reci9-ml/#activity-2-import-and-analyze-models-5-min","text":"We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.","title":"Activity 2: Import and Analyze Models (5 min)"},{"location":"recitations/reci9-ml/#activity-3-fairness-metrics-evaluation-15-mins","text":"An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.","title":"Activity 3: Fairness Metrics Evaluation (15 mins)"},{"location":"recitations/reci9-ml/#activity-4-recommendation-10-mins","text":"Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Activity 4: Recommendation (10 mins)"},{"location":"recitations/archive/reci2-angularjs/","text":"Recitation 2: Crash Course in Angular.js \u00b6 Overview \u00b6 This recitation aims to highlight the basics of Angular.js by walking students through the implementation of a basic To-Do list app. Students will be expected to use this knowledge to make changes to the Angular.js components of the Teedy project in a future assignment. Pre-requisites \u00b6 Basic understanding of how the web works Basic HTML/CSS knowledge Basic JavaScript knowledge Task 0: Fork the repl \u00b6 Create an account on repl.it Fork this repl - you\u2019ll be using this to work through this exercise and see your changes When you run the app you should see something like the below screenshot. At this point, all the static HTML for the todo list has been set up. You\u2019ll be working on making the todo list app function properly using Angular.js Task 1: Setup Angular.js \u00b6 Goal: Convert the basic HTML skeleton in the repl to an Angular.js app Steps: Import the Angular.js library by adding the following script tag to the head component of index.html < script src = \"https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js\" > Add the ng-app directive to the main tag to specify the root of your app This involves changing the tag at the top of index.html to Task 2: Data Binding Basics \u00b6 Goal: Display a dynamic title based on user input Steps: Use the ng-model directive to tie the value in the name text input field to a variable in the Angular.js app\u2019s model. Add ng-model=\"varName\" to the name text input tag Include {{varName}} in the Hello here's your todo list string to bind the data in the model to the title in the view Changing the value in the name text field should now change the title in real-time Task 3: Setting up the controller \u00b6 Goal: A boiler-plate controller called TodoListController has been set up in app.js. We want to connect our app with this controller so we can get more control over our todo list Steps: Import app.js by adding the following script tag to the head component of index.html < script src = \"app.js\" > Change the ng-app directive to bind to todoApp Change at the top of index.html to Add the ng-controller directive to bind the TodoListController Change the opening tag to Now we can access the controller within the body tag using the todoList alias Task 4: Rendering the list of todo items \u00b6 Goal: There\u2019s a list called todos in our controller that we\u2019ll use to store our todo list items. We want to replace the static todo list item with the todo items in this list Steps: Use the ng-repeat directive to render items in the list Change the
  • tag that renders a list item to
  • Add the ng-model=\"todo.done\" directive to the checkbox input tag so the checkbox reflects the value in the done field of a given todo list item Replace the static todo list item text with {{todo.text}} to render the text associated with a given todo item in the list Changing the data in the todos list in app.js should now change the contents of the todo list rendered Task 5: Adding new todo items \u00b6 Goal: Allow users to add new todos to the list using the form in the app Steps: Use the ng-model directive to tie the value in the new todo text input field to a variable in the angular.js app\u2019s model Add ng-model=\"todoList.todoText\" to the add new todo here text input tag Implement the todoList.addTodo function in app.js Add a new todo item to the list using the data in todoList.todoText Clear the text input field by setting todoList.todoText to the empty string Add the ng-submit directive to the form to call this addTodo function on submit by changing the opening
    tag to Task 6: Special styling for completed todo items \u00b6 Goal: We want to apply custom styling for completed todo items, so they appear crossed out Steps: A CSS class called done-true for completed todo items has been implemented in style.css . Make any changes you\u2019d like to this CSS class Apply this class to the todo text item Change the tag used to render {{todo.text}} to Checking a given todo item should lead to the custom css class being applied to that item","title":"Recitation 2 - Angular.js and MVC"},{"location":"recitations/archive/reci2-angularjs/#recitation-2-crash-course-in-angularjs","text":"","title":"Recitation 2: Crash Course in Angular.js"},{"location":"recitations/archive/reci2-angularjs/#overview","text":"This recitation aims to highlight the basics of Angular.js by walking students through the implementation of a basic To-Do list app. Students will be expected to use this knowledge to make changes to the Angular.js components of the Teedy project in a future assignment.","title":"Overview"},{"location":"recitations/archive/reci2-angularjs/#pre-requisites","text":"Basic understanding of how the web works Basic HTML/CSS knowledge Basic JavaScript knowledge","title":"Pre-requisites"},{"location":"recitations/archive/reci2-angularjs/#task-0-fork-the-repl","text":"Create an account on repl.it Fork this repl - you\u2019ll be using this to work through this exercise and see your changes When you run the app you should see something like the below screenshot. At this point, all the static HTML for the todo list has been set up. You\u2019ll be working on making the todo list app function properly using Angular.js","title":"Task 0: Fork the repl"},{"location":"recitations/archive/reci2-angularjs/#task-1-setup-angularjs","text":"Goal: Convert the basic HTML skeleton in the repl to an Angular.js app Steps: Import the Angular.js library by adding the following script tag to the head component of index.html < script src = \"https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js\" > Add the ng-app directive to the main tag to specify the root of your app This involves changing the tag at the top of index.html to ","title":"Task 1: Setup Angular.js"},{"location":"recitations/archive/reci2-angularjs/#task-2-data-binding-basics","text":"Goal: Display a dynamic title based on user input Steps: Use the ng-model directive to tie the value in the name text input field to a variable in the Angular.js app\u2019s model. Add ng-model=\"varName\" to the name text input tag Include {{varName}} in the Hello here's your todo list string to bind the data in the model to the title in the view Changing the value in the name text field should now change the title in real-time","title":"Task 2: Data Binding Basics"},{"location":"recitations/archive/reci2-angularjs/#task-3-setting-up-the-controller","text":"Goal: A boiler-plate controller called TodoListController has been set up in app.js. We want to connect our app with this controller so we can get more control over our todo list Steps: Import app.js by adding the following script tag to the head component of index.html < script src = \"app.js\" > Change the ng-app directive to bind to todoApp Change at the top of index.html to Add the ng-controller directive to bind the TodoListController Change the opening tag to Now we can access the controller within the body tag using the todoList alias","title":"Task 3: Setting up the controller"},{"location":"recitations/archive/reci2-angularjs/#task-4-rendering-the-list-of-todo-items","text":"Goal: There\u2019s a list called todos in our controller that we\u2019ll use to store our todo list items. We want to replace the static todo list item with the todo items in this list Steps: Use the ng-repeat directive to render items in the list Change the
  • tag that renders a list item to
  • Add the ng-model=\"todo.done\" directive to the checkbox input tag so the checkbox reflects the value in the done field of a given todo list item Replace the static todo list item text with {{todo.text}} to render the text associated with a given todo item in the list Changing the data in the todos list in app.js should now change the contents of the todo list rendered","title":"Task 4: Rendering the list of todo items"},{"location":"recitations/archive/reci2-angularjs/#task-5-adding-new-todo-items","text":"Goal: Allow users to add new todos to the list using the form in the app Steps: Use the ng-model directive to tie the value in the new todo text input field to a variable in the angular.js app\u2019s model Add ng-model=\"todoList.todoText\" to the add new todo here text input tag Implement the todoList.addTodo function in app.js Add a new todo item to the list using the data in todoList.todoText Clear the text input field by setting todoList.todoText to the empty string Add the ng-submit directive to the form to call this addTodo function on submit by changing the opening tag to ","title":"Task 5: Adding new todo items"},{"location":"recitations/archive/reci2-angularjs/#task-6-special-styling-for-completed-todo-items","text":"Goal: We want to apply custom styling for completed todo items, so they appear crossed out Steps: A CSS class called done-true for completed todo items has been implemented in style.css . Make any changes you\u2019d like to this CSS class Apply this class to the todo text item Change the tag used to render {{todo.text}} to Checking a given todo item should lead to the custom css class being applied to that item","title":"Task 6: Special styling for completed todo items"},{"location":"workshops/ml/","text":"Machine Learning Workshop \u00b6 Setup Instructions: \u00b6 Go to this repo and clone it Make sure you can run the jupyter notebooks The preferred way is to run it locally. You should install Anaconda and install the jupyter and scikit-learn packages: conda install jupyter scikit-learn Alternatively, you can use Google Colab . NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook. Make sure to connect to google drive and upload the titanic data set folder to your drive, double check the file paths in the notebook to make sure they match Overview \u00b6 During this workshop, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students! Context \u00b6 You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb. Activity 1: Examine the Titanic Dataset (10 mins) \u00b6 The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it? Activity 2: Import and Analyze Models (5 min) \u00b6 We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section. Activity 3: Fairness Metrics Evaluation (15 mins) \u00b6 An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates. Activity 4: Recommendation (10 mins) \u00b6 Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Workshop - Machine Learning"},{"location":"workshops/ml/#machine-learning-workshop","text":"","title":"Machine Learning Workshop"},{"location":"workshops/ml/#setup-instructions","text":"Go to this repo and clone it Make sure you can run the jupyter notebooks The preferred way is to run it locally. You should install Anaconda and install the jupyter and scikit-learn packages: conda install jupyter scikit-learn Alternatively, you can use Google Colab . NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook. Make sure to connect to google drive and upload the titanic data set folder to your drive, double check the file paths in the notebook to make sure they match","title":"Setup Instructions:"},{"location":"workshops/ml/#overview","text":"During this workshop, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!","title":"Overview"},{"location":"workshops/ml/#context","text":"You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency. Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right? We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You\u2019ll be working with the starter code in model_testing.ipynb.","title":"Context"},{"location":"workshops/ml/#activity-1-examine-the-titanic-dataset-10-mins","text":"The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook. Then choose one feature and plot its distribution. Is the distribution what you expected it to be? Was there anything surprising about it?","title":"Activity 1: Examine the Titanic Dataset (10 mins)"},{"location":"workshops/ml/#activity-2-import-and-analyze-models-5-min","text":"We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.","title":"Activity 2: Import and Analyze Models (5 min)"},{"location":"workshops/ml/#activity-3-fairness-metrics-evaluation-15-mins","text":"An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. 1. Fill in the notebook to compute the demographic parity metric 2. Fill in the notebook to compute the equal opportunity metric 3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.","title":"Activity 3: Fairness Metrics Evaluation (15 mins)"},{"location":"workshops/ml/#activity-4-recommendation-10-mins","text":"Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company? Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.","title":"Activity 4: Recommendation (10 mins)"}]} \ No newline at end of file diff --git a/sitemap.xml b/sitemap.xml new file mode 100644 index 000000000..906122e51 --- /dev/null +++ b/sitemap.xml @@ -0,0 +1,213 @@ + + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + + None + 2024-08-25 + daily + + \ No newline at end of file diff --git a/sitemap.xml.gz b/sitemap.xml.gz new file mode 100644 index 000000000..95deb1c39 Binary files /dev/null and b/sitemap.xml.gz differ diff --git a/stylesheets/custom.css b/stylesheets/custom.css new file mode 100644 index 000000000..7280eb4c1 --- /dev/null +++ b/stylesheets/custom.css @@ -0,0 +1,266 @@ +.md-grid { + max-width: 66rem; +} + +.md-typeset h1 { + font-weight: bold; + color: var(--md-default-fg-color); +} + +.md-typeset h2 { + font-weight: bold; +} + +.md-sidebar { + width: 11.5rem; +} + +.md-footer { + margin-top: 30px; +} + +.card { + border-radius: 5px; + box-shadow: 0 1px 3px 0 #ddd, 0 0 0 1px #ddd; +} + +a.card { + -webkit-box-shadow: 0 1px 3px 0 #ddd, 0 0 0 1px #ddd; + box-shadow: 0 1px 3px 0 #ddd, 0 0 0 1px #ddd; + transition: 0.25s; +} + +a.card:hover { + -webkit-box-shadow: 0 1px 12px 0 #ccc, 0 0 0 1px #ddd; + box-shadow: 0 1px 12px 0 #ccc, 0 0 0 1px #ddd; + -webkit-transform: translateY(-2px); + transform: translateY(-2px); +} + +.card .container { + padding: 10px 16px; + text-align: center; +} + +#this-week { + display: flex; + flex-wrap: wrap; +} + +#this-week .card { + flex: 1 1 0; + margin: 0.5rem; + min-width: 250px; +} + +#this-week .card .header { + font-size: 14pt; + font-weight: bold; + padding: 15px; + margin-bottom: 2px; + border-bottom: 1px #ccc solid; +} + +#this-week .card .content { + font-size: 11pt; 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+ border-right: 1px solid var(--md-typeset-table-color); + padding: 10px!important; +} + +#schedule table:not([class]) td { + vertical-align: middle; +} + +#schedule table td:first-child, table th:first-child { + border-left: none; +} + +#schedule table td:last-child, table th:last-child { + border-right: none; +} + +#schedule table thead, +#schedule table tbody tr:nth-child(10n+5), +#schedule table tbody tr:nth-child(10n) { + border-bottom: 3px #ccc solid; +} + +#schedule table td:nth-last-child(3) { + border-right: none; +} + +#schedule table:not([class]) tbody tr:hover { + background-color: rgba(0,0,0,0); +} + +a.label, a.label:visited { + color: #fff; +} + +a.label:hover { + color: #fff; + text-decoration: underline; +} + +.label.label-aqua { + background-color: #2E8C8C; + border-color: #2E8C8C; +} + +.label.label-red { + background-color: #D84136; + border-color: #D84136; +} + +.label.label-gold { + background-color: #D99036; + border-color: #D99036; +} + +.label.label-blue { + background-color: #2185d0; + border-color: #2185d0; +} + +.label .material-symbols-outlined { + font-size: 15px; + vertical-align: text-top; + padding-right: 4px; +} + +.left.floating.label { + left: 0; + right: auto; + -webkit-transform: translateX(-50%); + transform: translateX(-50%); +} + +.floating { + position: absolute; + z-index: 100; + top: -1em; + white-space: nowrap; + -webkit-transform: translateX(50%); + transform: translateX(50%); +} + +.label:first-child { + margin-left: 0; +} + +.label { + font-size: 0.65rem; + display: inline-block; + line-height: 1; + vertical-align: baseline; + margin: 0.14em; + background-color: #e8e8e8; + background-image: none; + padding: 0.5833em 0.833em; + color: rgba(0,0,0,.6); + text-transform: none; + font-weight: 700; + border: 0 solid transparent; + border-radius: 0.28571429rem; + -webkit-transition: background .1s ease; + transition: background .1s ease; +} + +#course-instructors .card, +#course-assistants .card { + display: inline-block; + min-width: 275px; + margin: 0.5rem; +} + +.staffer .staffer-image { + border-radius: 50%; + height: 100px; + width: 100px; + object-fit: cover; + margin-top: .50rem; +} + +.staffer .staffer-name { + font-weight: bold; + margin: .25rem !important; +} + +.staffer .staffer-links { + margin: .25rem !important; + line-height: normal; +} + +.staffer-links a { + font-size: 24px; +} + +.staffer-links .material-symbols-outlined { + font-size: 24px; + vertical-align: text-top; + padding: 0px 3px; +} + +.admonition p.admonition-title, +details summary { + font-size: .8rem; +} + +.admonition p, .admonition ul, +details p, details ul { + font-size: .725rem; +} + +.admonition code, +details code { + font-size: .65rem; +} diff --git a/syllabus/index.html b/syllabus/index.html new file mode 100644 index 000000000..8403dd87c --- /dev/null +++ b/syllabus/index.html @@ -0,0 +1,1183 @@ + + + + + + + + + + + + + + + + Syllabus - CMU 17-313: Foundations of Software Engineering (Qatar) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Syllabus

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    Course Syllabus and Policies

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    The course is currently planned to be entirely in person for lectures and recitations. Most office hours will be in person, but some may be held over Zoom as well. The course uses Gradescope for homework submission, grading; slides and handouts are posted here on the course website; GitHub is used to coordinate group work. We also use Slack for communication and group work: check your email during the first week of classes for the Slack sign up link.

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    Prerequisites

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    This class has a pre-requisite of 15-122 or 15-121. If you have not taken those classes, but you think you have similar experiences, please reach out to the instructors.

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    Communication

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    The primary form of communication within this course is through Slack. We will make announcements through a dedicated channel in Slack, and also provide channels for homework clarifications and team-based communication. As such, we highly recommend that students install Slack on their phones / desktop with notifications enabled.

    +

    The instructor, TA, and CAs will also hold weekly office hours to provide support with course materials and projects. You can find the office hours schedule updated weekly here on the course website.

    +

    You can contact the course staff via both Slack and email. Your team will also have assigned CAs as your primary point of contact for additional support with assignment or recitation-related questions. When contacting instructors or your designated CAs, please email/message the instructor, TA, and designated CA at the same time.

    +

    Teamwork

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    Teamwork is an essential part of this course. Most projects are done in teams of 3-5 students. Teams will be assigned by the instructors and stay together for multiple projects. Most projects have a component that is graded for the entire group and a component that is graded individually.

    +

    Being able to address team issues in software projects is one of the core learning objectives of this class. Guidance on teamwork, reflection, and conflict resolution will be provided throughout the semester and are an essential component of the class. We expect significant efforts in attempting to address the team issues before asking instructors and teaching/course assistants to step in. However, we will always be available to provide advice on how to navigate these issues.

    +

    Textbook

    +

    Various readings throughout the semester are available online or through the library; we do not have a single textbook but rather assemble readings from different sources.

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    As optional supplementary reading consider the (freely available) Software Engineering at Google, Lessons Learned from Programming Over Time.

    +

    Devices in Lecture and Recitation

    +

    Research shows that using devices on non-class related activities harms both the device user's learning, and other students' learning as well. Therefore, in general, we do not allow the use of devices during lecture. If you genuinely use your laptop for class-related activities (note-taking, etc), tell us, and we will make an exception. However, we ask that if you do so, you are careful to keep your devices in note-taking mode (and don’t stray to Facebook, homework, etc). In addition, you will be required to sit in the back row of the lecture to minimize the impact your screen has on others.

    +

    Note that recitation activities will often involve devices, so please do bring your laptop!

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    Assessment

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    Evaluation will be based on the following distribution: 60% projects, 20% midterm, 20% participation (including lecture exercises, pre-lecture reading quizzes, and recitation exercises).

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    Project Points Breakdown (tentative)

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    Project# Days GivenPoints% of HW grade% of total grade
    11110010%6%
    23527527.5%16.5%
    31110010%6%
    41412512.5%7.5%
    52740040%24%
    TOTAL1000100%60%
    +

    Regrades

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    Regrade requests can be submitted via Gradescope. The regrade period is open for one week after grades have been released for a particular assignment.

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    Late Work Policy

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    Participation

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    Participation points in this class are earned through a series of pre-lecture reading assignments, lecture activities, and recitations. To accommodate for life's uncertainties (e.g. health issues, scheduling conflicts), you will automatically get full points for up to four missed participation activities to account for any absences. You do not need to email instructors individually for one-off absences of this sort.

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    There will be no make-ups for participation points, but you are strongly encouraged to come to office hours to learn or review the materials that you may have missed.

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    If you find yourself in a situation that calls for an extended absence, please have your academic advisor reach out to the instructors, and they will work to find a solution on a case by case basis.

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    Projects

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    Late work will receive feedback but no credit. Due to heavy emphasis on planning & teamwork in this course there are no late days; we expect that you anticipate unexpected events in your planning, and coordinate with your teammates when they arise. Exceptions to this policy will be made only in extraordinary circumstances, almost always involving a family or medical emergency, with your academic advisor or the Dean of Student Affairs requesting the exception on your behalf.

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    Time Management

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    This is a 12-unit course, and it is our intention to manage it so that you spend close to 12 hours a week on the course, on average. In general, 4 hours/week will be spent in lectures & recitation and 8 hours on readings and projects. Notice that most projects are done in groups, so please account for the overhead and decreased time flexibility that comes with group work. Throughout the semester, please feel free to give the course staff feedback on how much time the course is taking for you.

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    Writing

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    Describing tradeoffs among decisions and communication with less technical stakeholders are key aspects of this class. Most projects have a component that requires discussing issues in written form or reflecting about experiences. To practice writing skills, the Academic Resource Center (ARC) offers individually-tailored English language support for students, along with workshops. The instructors are also happy to provide additional guidance if requested.

    +

    Policy on use of Generative AI for Writing

    +

    You may use generative AI technologies such as ChatGPT or CoPilot for assisting in code development or writing responses to homework questions, unless the question specifically prohibits it. However, any use of AI comes with two caveats: (1) you must clearly indicate the use of such technology (and name the tool) in every homework question or source code file where an AI tool was used as a form of attribution, just as you would if you had taken help from a friend; (2) you are liable for factually inaccurate answers or unspecific rambling produced by AI tools; it is your responsibility to edit AI-produced content before submitting it for class purposes.

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    Professionalism

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    Your classmates are your colleagues. This is particularly true in this course, where we aim to provide you with principles, practices, tools, and paradigms that will enable you to be an effective, real-world Software Engineer. We ask that you treat one another like the professionals you are and that you are preparing to be.

    +

    To that end, we will not tolerate harassment in this class. We define harassment as unwelcome or hostile behavior of an ad hominem nature, i.e., that focuses not on ideas but on people and identity. This includes offensive verbal or written comments in reference to gender, sexual orientation, disability, physical appearance, race, or religion; sexual images in public spaces; deliberate intimidation, stalking, following, harassing photography or recording, sustained disruption of class meetings, inappropriate physical contact, and unwelcome sexual attention.

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    Harassment is against the law and we have no tolerance for it, and neither does the university. Even when behavior does not rise to the level of harassment (even if you think you're "just joking!"), it can still make people very uncomfortable, and harm their educational and professional career by forcing them to devote mental energy to something other than the material they are trying to learn or the professional successes they are trying to achieve. However, we expect that we do not need to threaten you to earn your respect on this matter: we simply ask that you treat one another like professionals, in the most positive sense.

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    This has two implications:

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    • If you feel someone is violating these principles (for example, with a joke that could be interpreted as sexist, racist, or exclusionary), and you feel you have the standing to do so, speak up! Do not be a bystander to unprofessional behavior.
      • +
    • If you do not feel comfortable doing so, and/or if the behavior persists, send a private email to the course instructors or set up a meeting with us to discuss the matter. We will preserve your anonymity. We, the course staff, are committed to affording you the same respect we ask you to afford one another. If you feel that we are not doing so, we hope you will feel comfortable either telling us so directly, or approaching another one of the course staff with your concerns.
      • +
    +

    (Thank you to Shriram Krishnamurthi and Evan Peck for sharing their own policies, from which we drew inspiration for this one.)

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    Academic Honesty and Collaboration

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    The usual policies apply, especially the University Policy on Academic Integrity. Many of the projects will be done in groups. We expect that group members collaborate with one another, but that groups work independently from one another, not exchanging results with other groups. Within groups, we expect that you are honest about your contribution to the group's work. This implies not taking credit for others' work and not covering for team members that have not contributed to the team. Otherwise, our expectations regarding academic honesty and collaboration for group work are the same as for individual work, substituting elevated to the level of "group."

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    The course includes both individual projects and individual components of group projects . Although your solutions for individual parts will be based on the content produced for the group component (e.g. written reflections on lessons learned), we treat individual components of group projects as equivalent to individual projects overall, and expect you to complete such components independently of your groupmates.

    +

    The rest of this academic honesty and collaboration content is taken from the policy used in 17-214:

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    "You may not copy any part of a solution to a problem that was written by another student, or was developed together with another student, or was copied from another unauthorized source such as the Internet. You may not look at another student's solution, even if you have completed your own, nor may you knowingly give your solution to another student or leave your solution where another student can see it.

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    Here are some examples of behavior that are inappropriate:

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    • Copying or retyping, or referring to, files or parts of files (such as source code, written text, or unit tests) from another person or source (whether in final or draft form, regardless of the permissions set on the associated files) while producing your own. This is true even if your version includes minor modifications such as style or variable name changes or minor logic modifications.
      • +
    • Getting help that you do not fully understand, and from someone whom you do not acknowledge on your solution.
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    • Writing, using, or submitting a program that attempts to alter or erase grading information or otherwise compromise security of course resources.
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    • Lying to course staff.
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    • Giving copies of work to others, or allowing someone else to copy or refer to your code or written assignment to produce their own, either in draft or final form. This includes making your work publicly available in a way that other students (current or future) can access your solutions, even if others' access is accidental or incidental to your goals. Beware the privacy settings on your open source accounts!
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    • Coaching others step-by-step without them understanding your help.
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    If any of your work contains any statement that was not written by you, you must put it in quotes and cite the source. If you are paraphrasing an idea you read elsewhere, you must acknowledge the source. Using existing material without proper citation is plagiarism, a form of cheating. If there is any question about whether the material is permitted, you must get permission in advance. We will be using automated systems to detect software plagiarism.

    +

    It is not considered cheating to clarify vague points in the assignments, lectures, lecture notes; to give help or receive help in using the computer systems, compilers, debuggers, profilers, or other facilities; or to discuss ideas at a very high level, without referring to or producing code.

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    Any violation of this policy is cheating. The minimum penalty for cheating (including plagiarism) will be a zero grade for the whole assignment. Cheating incidents will also be reported through University channels, with possible additional disciplinary action (see the above-linked University Policy on Academic Integrity).

    +

    If you have any question about how this policy applies in a particular situation, ask the instructors or TAs for clarification."

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    Note that the instructors respect honesty in these (and indeed most!) situations.

    +

    Accommodations

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    Carnegie Mellon University is committed to providing reasonable accommodations +for all persons with disabilities. To access accommodation services you are +expected to initiate the request and submit a Voluntary Disclosure of Disability +Form to the office of Health & Wellness or CaPS-Q. In order to receive +services/accommodations, verification of a disability is required as recommended +in writing by a doctor, licensed psychologist or psycho-educational specialist. +The office of Health & Wellness, CaPS-Q and Office of Disability Resources in +Pittsburgh will review the information you provide. All information will be +considered confidential and only released to appropriate persons on a need to +know basis.

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    Once the accommodations have been approved, you will be issued a Summary of Accommodations Memorandum documenting the disability and describing the accommodation. You are responsible for providing the Memorandum to your professors at the beginning of each semester.

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    For more information on policies and procedures, please visit Assistance for Individuals with Disabilities on Scotty.

    + +

    We don't record our lectures, because they are highly interactive and tricky to record, but we do post slides at the end of the day. Please go over them and come to any of the instructors' office hours to discuss the material.

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    A Note on Self Care

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    We all feel stress at different times and for different reasons, and when we do, it is good to reach out for support. Do your best to maintain a healthy lifestyle by eating well, exercising, getting enough sleep and taking some time to relax. Please know that you are not alone. There are many helpful resources available on campus and an important part of the college experience is learning how to ask for help. Asking for support sooner, rather than later, can often help your situation from getting more complicated. If you or any of your CMUQ peers are experiencing academic stress, difficult life events, or feelings like anxiety or depression, we strongly encourage you to seek support.

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    Our Student Affairs staff are here to help:

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    You can also visit the Ilona Wyers Student Lounge and connect with anyone on the Student Affairs Team. Consider also reaching out to a friend, faculty, staff, or family member you trust for help. If you would like to speak to a trained professional for mental health support, day or night, call our ProtoCall hotline at 5554 7913, which is staffed by trained mental health care providers.

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    If the situation is life threatening, call 999.

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    Machine Learning Workshop

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    Setup Instructions:

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    1. Go to this repo and clone it
      2. +
    2. Make sure you can run the jupyter notebooks
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      1. The preferred way is to run it locally. You should install Anaconda and install the jupyter and scikit-learn packages: conda install jupyter scikit-learn
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      2. Alternatively, you can use Google Colab. NOTE: you should be able to do this by adding tocolab to the github url for the model_testing notebook.
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        1. Make sure to connect to google drive and upload the titanic data set folder to your drive, double check the file paths in the notebook to make sure they match
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    Overview

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    During this workshop, students will have the opportunity to play with various machine learning frameworks and tools and justify a recommendation argument for using a machine learning model in practice. This is an individual activity so everyone should be running the notebook; however, feel free to discuss the activity and your approach with other students!

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    Context

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    You're working as a software engineer at a cruise line company. Your company wants to train a ML model that helps the crew decide who should be given priority to board a lifeboat in the situation of emergency.

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    Your ML engineer decided to train it on titanic dataset, because it's a widely available dataset. He create a model that predicts if a person would have survived in titanic, and if they do, they should be prioritized in the event of emergency. After all, the emergency handling protocol on titanic, the greatest liner of all times, must be fair and effective right?

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    We can use the Titanic dataset to make predictions on whether or not passengers would survive given features in the dataset. We trained two models on the data: one that uses sex as a feature and one that does not. You’ll be working with the starter code in model_testing.ipynb.

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    Activity 1: Examine the Titanic Dataset (10 mins)

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    1. The dataset contains detailed information on the passengers aboard the Titanic. Go through the first part of the testing notebook.
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    2. Then choose one feature and plot its distribution.
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    3. Is the distribution what you expected it to be? Was there anything surprising about it?
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    Activity 2: Import and Analyze Models (5 min)

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    We pre-trained two models based on the Titanic training dataset. Let's import these models and review their accuracy. Note that the difference between the models is one uses sex as a feature and one does not. Run the cells in this section.

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    Activity 3: Fairness Metrics Evaluation (15 mins)

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    An important part of evaluating an ML model is assessing its fairness. In this activity, evaluate the fairness metrics that we discussed in class with respect to sex and pclass. +1. Fill in the notebook to compute the demographic parity metric +2. Fill in the notebook to compute the equal opportunity metric +3. Feel free to evaluate and compute any other metrics that you think would be helpful to evaluate the model. One to consider is true and false positive rates and/or true and false negative rates.

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    Activity 4: Recommendation (10 mins)

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    Based on the analysis and evaluations we've done above (both fairness and accuracy), would you recommend that one of these models is used in practice by the cruise line company?

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    Justify your choice with evidence that you produced in previous activities. Feel free to write directly in the jupyter notebook and then add your answer to the gradescope quiz.

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