Fix missing translation for rosh hashana (#10)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hebcal/core",
-  "version": "2.5.1",
+  "version": "2.5.2",
   "author": "Michael J. Radwin (https://github.com/mjradwin)",
   "contributors": [
     "Eyal Schachter (https://github.com/Scimonster)",
@@ -69,21 +69,21 @@
     "@babel/preset-env": "^7.11.5",
     "@babel/register": "^7.11.5",
     "@hebcal/solar-calc": "^1.0.4",
-    "@rollup/plugin-babel": "^5.2.0",
+    "@rollup/plugin-babel": "^5.2.1",
     "@rollup/plugin-commonjs": "^15.0.0",
     "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^9.0.0",
     "ava": "^3.12.1",
     "core-js": "^3.6.5",
-    "eslint": "^7.8.1",
+    "eslint": "^7.9.0",
     "eslint-config-google": "^0.14.0",
     "gematriya": "^2.0.0",
     "jsdoc": "^3.6.5",
     "jsdoc-to-markdown": "^6.0.1",
     "nyc": "^15.1.0",
-    "rollup": "^2.26.10",
+    "rollup": "^2.26.11",
     "rollup-plugin-terser": "^7.0.2",
     "tsd-jsdoc": "^2.5.0",
-    "ttag-cli": "^1.8.4"
+    "ttag-cli": "^1.8.5"
   }
 }

src/hebcal.js

@@ -689,7 +689,7 @@ export const HebrewCalendar = {
     }
 
     // standard holidays that don't shift based on year
-    add(new HolidayEvent(RH, `Rosh Hashana ${year}`, CHAG | LIGHT_CANDLES_TZEIS));
+    add(new RoshHashanaEvent(RH, year, CHAG | LIGHT_CANDLES_TZEIS));
     addEvents(year, [
       [2, TISHREI, 'Rosh Hashana II', CHAG | YOM_TOV_ENDS],
       [3 + (RH.getDay() == THU),
@@ -933,3 +933,27 @@ export const HebrewCalendar = {
     return `${hour}:${hm[1]}${suffix}`;
   },
 };
+
+/**
+ * @private
+ */
+class RoshHashanaEvent extends HolidayEvent {
+  /**
+   * @private
+   * @param {HDate} date Hebrew date event occurs
+   * @param {number} hyear Hebrew year
+   * @param {number} mask optional holiday flags
+   */
+  constructor(date, hyear, mask) {
+    super(date, `Rosh Hashana ${hyear}`, mask);
+    this.hyear = hyear;
+  }
+  /**
+   * Returns (translated) description of this event
+   * @param {string} [locale] Optional locale name (defaults to active locale).
+   * @return {string}
+   */
+  render(locale) {
+    return Locale.gettext('Rosh Hashana', locale) + ' ' + this.hyear;
+  }
+}

src/hebcal.spec.js

@@ -1,6 +1,6 @@
 import test from 'ava';
 import {HebrewCalendar, getStartAndEnd} from './hebcal';
-import {HDate} from './hdate';
+import {HDate, months} from './hdate';
 import {flags} from './event';
 import {Location} from './location';
 
@@ -200,6 +200,14 @@ test('locale-he', (t) => {
   t.is(ev.render(), 'שַׁבָּת הַגָּדוֹל');
 });
 
+test('locale-he-rosh-hashana', (t) => {
+  const RH = new HDate(1, months.TISHREI, 5749);
+  const options = {start: RH, end: RH};
+  const ev = HebrewCalendar.calendar(options)[0];
+  t.is(ev.render('en'), 'Rosh Hashana 5749');
+  t.is(ev.render('he'), 'רֹאשׁ הַשָּׁנָה 5749');
+});
+
 test('addHebrewDatesForEvents', (t) => {
   const options0 = {year: 2017, month: 3, noHolidays: true, addHebrewDatesForEvents: true};
   const ev0 = HebrewCalendar.calendar(options0);