From 24fabd9fa7c5bf2104146e17d28ec5b8094a87f8 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 14:05:06 +0300
Subject: [PATCH 01/27] feat: add package.json

---
 package.json | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 package.json

diff --git a/package.json b/package.json
new file mode 100644
index 0000000..b011c55
--- /dev/null
+++ b/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "node-file-manager",
+  "version": "1.0.0",
+  "description": "RS School Node.js course task 2: File manager",
+  "main": "src/index.js",
+  "type": "module",
+  "scripts": {
+    "start": "node src/index.js"
+  },
+  "author": "Izy",
+  "license": "ISC"
+}

From ff7a8debf2f13af730970b2544886393151d4624 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 14:05:24 +0300
Subject: [PATCH 02/27] feat: add colored output utils

---
 src/utils/color-output.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/utils/color-output.js

diff --git a/src/utils/color-output.js b/src/utils/color-output.js
new file mode 100644
index 0000000..51b82f7
--- /dev/null
+++ b/src/utils/color-output.js
@@ -0,0 +1,21 @@
+const colors = {
+    reset: '[0m',
+    black: '[30m',
+    red: '[31m',
+    green: '[32m',
+    yellow: '[33m',
+    blue: '[34m',
+    purple: '[35m',
+    cyan: '[36m',
+    white: '[37m',
+};
+
+export const getColoredText = (color, text) => {
+    const colorCode = colors[color] ?? colors.reset;
+
+    return `\x1b${colorCode}${text}\x1b${colors.reset}`;
+};
+
+export const printColoredText = (color, text) => {
+    console.log(getColoredText(color, text));
+};

From 71d87ce2e01d68f30d40fa4217c3e2ab10203a82 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 14:05:50 +0300
Subject: [PATCH 03/27] feat: add username related utils

---
 src/utils/user.js | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/utils/user.js

diff --git a/src/utils/user.js b/src/utils/user.js
new file mode 100644
index 0000000..5ec878d
--- /dev/null
+++ b/src/utils/user.js
@@ -0,0 +1,34 @@
+import { getColoredText } from "./color-output.js";
+
+const USERNAME_ARG = 'username';
+const DEFAULT_USERNAME = 'Anonymous';
+
+const getArgValue = (argName) => {
+    const args = process.argv.slice(2);
+    const foundArg = args.find((arg) => arg.startsWith(`--${argName}=`));
+
+    return foundArg ? foundArg.split('=')[1] : null;
+};
+
+const getUsername = () => {
+    const username = getArgValue(USERNAME_ARG);
+
+    return username || DEFAULT_USERNAME;
+};
+
+export const printWelcomeMessage = () => {
+    const username = getUsername();
+    const coloredUsername = getColoredText('green', username);
+
+    if (username === DEFAULT_USERNAME) {
+        console.log('No username specified. Using default username: %s.', coloredUsername);
+    }
+
+    console.log('Welcome to the File Manager, %s!', coloredUsername);
+}
+
+export const printFarewellMessage = () => {
+    const coloredUsername = getColoredText('green', getUsername());
+
+    console.log('Thank you for using File Manager, %s, goodbye!', coloredUsername);
+}
\ No newline at end of file

From bc6c8ff153342ae4bd5b034eda2f5fe85e8965f9 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 14:07:29 +0300
Subject: [PATCH 04/27] feat: add readline interface

---
 src/index.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/index.js

diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..76aae87
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,16 @@
+import { createInterface } from 'readline/promises';
+import { printWelcomeMessage, printFarewellMessage } from './utils/user.js';
+
+const init = () => {
+    printWelcomeMessage();
+
+    const readline = createInterface({
+        input: process.stdin,
+        output: process.stdout,
+    });
+
+    readline.on('close', printFarewellMessage);
+    // readline.on('line', async (input) => await handleInput(input));
+};
+
+init();

From 23c61f8420c5c7621147ea9ff6fa7739a009e390 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 23:30:52 +0300
Subject: [PATCH 05/27] refactor: change colors keys names

---
 src/utils/color-output.js | 24 ++++++++++++------------
 src/utils/user.js         |  7 ++++---
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/src/utils/color-output.js b/src/utils/color-output.js
index 51b82f7..1456498 100644
--- a/src/utils/color-output.js
+++ b/src/utils/color-output.js
@@ -1,19 +1,19 @@
-const colors = {
-    reset: '[0m',
-    black: '[30m',
-    red: '[31m',
-    green: '[32m',
-    yellow: '[33m',
-    blue: '[34m',
-    purple: '[35m',
-    cyan: '[36m',
-    white: '[37m',
+const COLORS = {
+    RESET: '[0m',
+    BLACK: '[30m',
+    RED: '[31m',
+    GREEN: '[32m',
+    YELLOW: '[33m',
+    BLUE: '[34m',
+    PURPLE: '[35m',
+    CYAN: '[36m',
+    WHITE: '[37m',
 };
 
 export const getColoredText = (color, text) => {
-    const colorCode = colors[color] ?? colors.reset;
+    const colorCode = COLORS[color] ?? COLORS.RESET;
 
-    return `\x1b${colorCode}${text}\x1b${colors.reset}`;
+    return `\x1b${colorCode}${text}\x1b${COLORS.RESET}`;
 };
 
 export const printColoredText = (color, text) => {
diff --git a/src/utils/user.js b/src/utils/user.js
index 5ec878d..f19a1b4 100644
--- a/src/utils/user.js
+++ b/src/utils/user.js
@@ -1,3 +1,4 @@
+import { EOL } from 'os';
 import { getColoredText } from "./color-output.js";
 
 const USERNAME_ARG = 'username';
@@ -18,7 +19,7 @@ const getUsername = () => {
 
 export const printWelcomeMessage = () => {
     const username = getUsername();
-    const coloredUsername = getColoredText('green', username);
+    const coloredUsername = getColoredText('GREEN', username);
 
     if (username === DEFAULT_USERNAME) {
         console.log('No username specified. Using default username: %s.', coloredUsername);
@@ -28,7 +29,7 @@ export const printWelcomeMessage = () => {
 }
 
 export const printFarewellMessage = () => {
-    const coloredUsername = getColoredText('green', getUsername());
+    const coloredUsername = getColoredText('GREEN', getUsername());
 
-    console.log('Thank you for using File Manager, %s, goodbye!', coloredUsername);
+    console.log(`${EOL}Thank you for using File Manager, ${coloredUsername}, goodbye!`);
 }
\ No newline at end of file

From 69381a62fa4db5aff4bf483c9cfc3d9ad2a86e37 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 23:31:36 +0300
Subject: [PATCH 06/27] feat: add directory path utils

---
 src/utils/directory-path.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 src/utils/directory-path.js

diff --git a/src/utils/directory-path.js b/src/utils/directory-path.js
new file mode 100644
index 0000000..3f77ce6
--- /dev/null
+++ b/src/utils/directory-path.js
@@ -0,0 +1,13 @@
+import { chdir, cwd } from 'process';
+import { homedir, EOL } from 'os';
+import { getColoredText } from "./color-output.js";
+
+export const setStartingDir = () => chdir(homedir());
+
+export const getCurrentDir = () => cwd();
+
+export const printCurrentDirectory = () => {
+    const coloredPath = getColoredText('YELLOW', getCurrentDir());
+
+    console.log(`${EOL}You are currently in ${coloredPath}`);
+}
\ No newline at end of file

From 293e6a59b25d4f97788118f36ee69babacaa563f Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 23:31:56 +0300
Subject: [PATCH 07/27] feat: add command input utils

---
 src/utils/command-input.js | 46 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/utils/command-input.js

diff --git a/src/utils/command-input.js b/src/utils/command-input.js
new file mode 100644
index 0000000..64622fa
--- /dev/null
+++ b/src/utils/command-input.js
@@ -0,0 +1,46 @@
+import { EOL } from 'os';
+
+export const COMMANDS = {
+    EXIT: { name: '.exit', argCount: 0 },
+    UP: { name: 'up', argCount: 0 },
+    CD: { name: 'cd', argCount: 1 },
+    LS: { name: 'ls', argCount: 0 },
+    CAT: { name: 'cat', argCount: 1 },
+    ADD: { name: 'add', argCount: 1 },
+    RN: { name: 'rn', argCount: 2 },
+    CP: { name: 'cp', argCount: 2 },
+    MV: { name: 'mv', argCount: 2 },
+    RM: { name: 'rm', argCount: 1 },
+    OS: { name: 'os', argCount: 1 },
+    HASH: { name: 'hash', argCount: 1 },
+    COMPRESS: { name: 'compress', argCount: 2 },
+    DECOMPRESS: { name: 'decompress', argCount: 2 },
+};
+
+export const trimQuotes = (path) => {
+    if (!path) {
+        return '';
+    } else {
+        return path.trim().replace(/^[`"']|[`"']$/g, '');
+    }
+};
+
+export const getArgByNumber = (args, number) => {
+    let argument = args[argNumber] || '';
+
+    return trimQuotes(argument);
+};
+
+export const checkArgCount = (inputCommandName, args) => {
+    const foundCommand = Object.entries(COMMANDS).find(
+        ([key, { name }]) => name === inputCommandName
+    );
+
+    if (foundCommand) {
+        const [key, { argCount: expectedArgCount }] = foundCommand;
+
+        if (args.length !== expectedArgCount) {
+            throw new Error(`Invalid input.${EOL}Command "${inputCommandName}" requires ${expectedArgCount} argument(s).`);
+        }
+    }
+};

From cebe1dd2c1558ec54e8d63434ab589dfcbb81a78 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 23:32:58 +0300
Subject: [PATCH 08/27] feat: add input handler

---
 src/commands/input-handler.js | 72 +++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/commands/input-handler.js

diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
new file mode 100644
index 0000000..e5cab59
--- /dev/null
+++ b/src/commands/input-handler.js
@@ -0,0 +1,72 @@
+import { checkArgCount, COMMANDS } from "../utils/command-input.js";
+import { printColoredText } from "../utils/color-output.js";
+import { printFarewellMessage } from '../utils/user.js';
+import { printCurrentDirectory } from "../utils/directory-path.js";
+
+export const handleInput = async (line) => {
+    try {
+        const args = line.match(/([`"']).*?\1|\S+/g) || [];
+        const command = args.shift();
+
+        checkArgCount(command, args);
+
+        switch (command) {
+            case undefined:
+                break;
+            case COMMANDS.EXIT.name:   
+                printFarewellMessage();
+                process.exit(0);
+                break;
+            // case COMMANDS.UP.name:
+            //     up();
+            //     break;
+            // case COMMANDS.CD.name:
+            //     cd(args);
+            //     break;
+            // case COMMANDS.LS.name:
+            //     await ls();
+            //     break;
+            // case COMMANDS.CAT.name:
+            //     await cat(args);
+            //     break;
+            // case COMMANDS.ADD.name:
+            //     await add(args);
+            //     break;
+            // case COMMANDS.RN.name:
+            //     await rn(args);
+            //     break;
+            // case COMMANDS.CP.name:
+            //     await cp(args);
+            //     break;
+            // case COMMANDS.MV.name:
+            //     await mv(args);
+            //     break;
+            // case COMMANDS.RM.name:
+            //     await rm(args);
+            //     break;
+            // case COMMANDS.OS.name:
+            //     os(args);
+            //     break;
+            // case COMMANDS.HASH.name:
+            //     await hash(args);
+            //     break;
+            // case COMMANDS.COMPRESS.name:
+            //     await compress(args);
+            //     break;
+            // case COMMANDS.DECOMPRESS.name:
+            //     await decompress(args);
+            //     break;
+            default:
+                printColoredText('RED', `Invalid input. Command "${command}" not supported.`);
+                break;
+        }
+    } catch (err) {
+        if (err.message.startsWith('Invalid input.')) {
+            printColoredText('RED', err.message);
+        } else {
+            printColoredText('RED', `Operation failed.${EOL}${err.message}`);
+        }        
+    }
+
+    printCurrentDirectory();
+};

From 9b127c08d4cceee483805ee723770e44f466c4cd Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Sun, 13 Oct 2024 23:35:04 +0300
Subject: [PATCH 09/27] feat: add readline prompt and new line handler

---
 src/index.js | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/index.js b/src/index.js
index 76aae87..efdf272 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,16 +1,26 @@
 import { createInterface } from 'readline/promises';
 import { printWelcomeMessage, printFarewellMessage } from './utils/user.js';
+import { handleInput } from './commands/input-handler.js';
+import { printCurrentDirectory, setStartingDir } from './utils/directory-path.js';
+import { getColoredText } from './utils/color-output.js';
 
 const init = () => {
-    printWelcomeMessage();
-
     const readline = createInterface({
         input: process.stdin,
         output: process.stdout,
+        prompt: getColoredText('BLUE', '> '),
     });
 
+    printWelcomeMessage();
+    setStartingDir();
+    printCurrentDirectory();
+    readline.prompt();
+
     readline.on('close', printFarewellMessage);
-    // readline.on('line', async (input) => await handleInput(input));
+    readline.on('line', async (input) => {
+        await handleInput(input);
+        readline.prompt();
+    });
 };
 
 init();

From 7adc7cca9a3e08d4a8d75eca218a21143ad0b634 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 00:09:09 +0300
Subject: [PATCH 10/27] feat: add up command

---
 src/commands/input-handler.js |  7 ++++---
 src/commands/navigation/up.js | 13 +++++++++++++
 2 files changed, 17 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/navigation/up.js

diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index e5cab59..b6e2483 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -2,6 +2,7 @@ import { checkArgCount, COMMANDS } from "../utils/command-input.js";
 import { printColoredText } from "../utils/color-output.js";
 import { printFarewellMessage } from '../utils/user.js';
 import { printCurrentDirectory } from "../utils/directory-path.js";
+import { up } from "./navigation/up.js";
 
 export const handleInput = async (line) => {
     try {
@@ -17,9 +18,9 @@ export const handleInput = async (line) => {
                 printFarewellMessage();
                 process.exit(0);
                 break;
-            // case COMMANDS.UP.name:
-            //     up();
-            //     break;
+            case COMMANDS.UP.name:
+                up();
+                break;
             // case COMMANDS.CD.name:
             //     cd(args);
             //     break;
diff --git a/src/commands/navigation/up.js b/src/commands/navigation/up.js
new file mode 100644
index 0000000..d25e1a6
--- /dev/null
+++ b/src/commands/navigation/up.js
@@ -0,0 +1,13 @@
+import { resolve, dirname } from 'path';
+import { chdir } from 'process';
+import { platform } from 'os';
+import { getCurrentDir } from '../../utils/directory-path';
+
+export const up = () => {
+    const currentDir = getCurrentDir();
+    const parentDir = resolve(currentDir, '..');
+
+    if (currentDir !== parentDir) {
+        chdir('..');
+    }
+};
\ No newline at end of file

From b459609fe82dd182c13c0957fdf5f5ffa018104d Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 00:25:39 +0300
Subject: [PATCH 11/27] fix: del unneeded imports

---
 src/commands/navigation/up.js | 8 +++-----
 src/utils/directory-path.js   | 5 ++---
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/commands/navigation/up.js b/src/commands/navigation/up.js
index d25e1a6..cda36b0 100644
--- a/src/commands/navigation/up.js
+++ b/src/commands/navigation/up.js
@@ -1,13 +1,11 @@
-import { resolve, dirname } from 'path';
-import { chdir } from 'process';
-import { platform } from 'os';
-import { getCurrentDir } from '../../utils/directory-path';
+import { resolve } from 'path';
+import { getCurrentDir } from '../../utils/directory-path.js';
 
 export const up = () => {
     const currentDir = getCurrentDir();
     const parentDir = resolve(currentDir, '..');
 
     if (currentDir !== parentDir) {
-        chdir('..');
+        process.chdir('..');
     }
 };
\ No newline at end of file
diff --git a/src/utils/directory-path.js b/src/utils/directory-path.js
index 3f77ce6..31ca444 100644
--- a/src/utils/directory-path.js
+++ b/src/utils/directory-path.js
@@ -1,10 +1,9 @@
-import { chdir, cwd } from 'process';
 import { homedir, EOL } from 'os';
 import { getColoredText } from "./color-output.js";
 
-export const setStartingDir = () => chdir(homedir());
+export const setStartingDir = () => process.chdir(homedir());
 
-export const getCurrentDir = () => cwd();
+export const getCurrentDir = () => process.cwd();
 
 export const printCurrentDirectory = () => {
     const coloredPath = getColoredText('YELLOW', getCurrentDir());

From 5fdc637340868098a32d0986ee3d662b46761fc8 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 01:09:40 +0300
Subject: [PATCH 12/27] fix: change array index in getArgByNumber

---
 src/utils/command-input.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/command-input.js b/src/utils/command-input.js
index 64622fa..9b2f0ba 100644
--- a/src/utils/command-input.js
+++ b/src/utils/command-input.js
@@ -26,7 +26,7 @@ export const trimQuotes = (path) => {
 };
 
 export const getArgByNumber = (args, number) => {
-    let argument = args[argNumber] || '';
+    let argument = args[number] || '';
 
     return trimQuotes(argument);
 };

From a93c2fce69499ddcaa39633f49a9bb1c564d2e33 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 01:10:06 +0300
Subject: [PATCH 13/27] feat: add cd command

---
 src/commands/input-handler.js |  8 +++++---
 src/commands/navigation/cd.js | 10 ++++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/navigation/cd.js

diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index b6e2483..d86a66c 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -1,8 +1,10 @@
+import { EOL } from 'os';
 import { checkArgCount, COMMANDS } from "../utils/command-input.js";
 import { printColoredText } from "../utils/color-output.js";
 import { printFarewellMessage } from '../utils/user.js';
 import { printCurrentDirectory } from "../utils/directory-path.js";
 import { up } from "./navigation/up.js";
+import { cd } from './navigation/cd.js';
 
 export const handleInput = async (line) => {
     try {
@@ -21,9 +23,9 @@ export const handleInput = async (line) => {
             case COMMANDS.UP.name:
                 up();
                 break;
-            // case COMMANDS.CD.name:
-            //     cd(args);
-            //     break;
+            case COMMANDS.CD.name:
+                cd(args);
+                break;
             // case COMMANDS.LS.name:
             //     await ls();
             //     break;
diff --git a/src/commands/navigation/cd.js b/src/commands/navigation/cd.js
new file mode 100644
index 0000000..03cffc6
--- /dev/null
+++ b/src/commands/navigation/cd.js
@@ -0,0 +1,10 @@
+import { isAbsolute, resolve } from 'path';
+import { getArgByNumber } from "../../utils/command-input.js";
+
+export const cd = (args) => {
+    const path = getArgByNumber(args, 0);
+    const isWinOsIncompleteRootPath = process.platform === 'win32' && !isAbsolute(path) && path.includes(':');
+    const improvedPath = resolve(isWinOsIncompleteRootPath ? '/' : process.cwd(), path);
+
+    process.chdir(improvedPath);
+};
\ No newline at end of file

From 433909177c96c98df5779880a5c045006858625d Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 01:37:34 +0300
Subject: [PATCH 14/27] feat: add ls command

---
 src/commands/input-handler.js |  7 ++++---
 src/commands/navigation/ls.js | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/navigation/ls.js

diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index d86a66c..2ce9578 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -5,6 +5,7 @@ import { printFarewellMessage } from '../utils/user.js';
 import { printCurrentDirectory } from "../utils/directory-path.js";
 import { up } from "./navigation/up.js";
 import { cd } from './navigation/cd.js';
+import { ls } from './navigation/ls.js';
 
 export const handleInput = async (line) => {
     try {
@@ -26,9 +27,9 @@ export const handleInput = async (line) => {
             case COMMANDS.CD.name:
                 cd(args);
                 break;
-            // case COMMANDS.LS.name:
-            //     await ls();
-            //     break;
+            case COMMANDS.LS.name:
+                await ls();
+                break;
             // case COMMANDS.CAT.name:
             //     await cat(args);
             //     break;
diff --git a/src/commands/navigation/ls.js b/src/commands/navigation/ls.js
new file mode 100644
index 0000000..950ccad
--- /dev/null
+++ b/src/commands/navigation/ls.js
@@ -0,0 +1,20 @@
+import { readdir } from 'fs/promises';
+import { getCurrentDir } from '../../utils/directory-path.js';
+
+export const ls = async () => {
+    const dirents = await readdir(getCurrentDir(), { withFileTypes: true });
+
+    const getDirentType = (dirent) =>
+        dirent.isFile() ? 'file'
+            : dirent.isDirectory() ? 'directory' : 'other';
+
+    const tabularData = dirents
+        .map((dirent) => ({
+            Name: dirent.name,
+            Type: getDirentType(dirent),
+        }))
+        .filter(({ Type }) => Type !== 'other')
+        .sort((a, b) => a.Type.localeCompare(b.Type) || a.Name.localeCompare(b.Name));
+
+    console.table(tabularData);
+};
\ No newline at end of file

From 3fe13c64019759348fefc95cc363d7723140fff3 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 12:48:20 +0300
Subject: [PATCH 15/27] feat: add cat command

---
 src/commands/file-system/cat.js | 13 +++++++++++++
 src/commands/input-handler.js   |  7 ++++---
 2 files changed, 17 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/file-system/cat.js

diff --git a/src/commands/file-system/cat.js b/src/commands/file-system/cat.js
new file mode 100644
index 0000000..8b44980
--- /dev/null
+++ b/src/commands/file-system/cat.js
@@ -0,0 +1,13 @@
+import { resolve } from 'path';
+import { createReadStream } from 'fs';
+import { pipeline } from 'stream/promises';
+import { getCurrentDir } from '../../utils/directory-path.js';
+import { getArgByNumber } from "../../utils/command-input.js";
+
+export const cat = async (args) => {
+    const argPath = getArgByNumber(args, 0);
+    const resolvedPath = resolve(getCurrentDir(), argPath);
+    const sourceStream = createReadStream(resolvedPath);
+
+    await pipeline(sourceStream, process.stdout, { end: false });
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index 2ce9578..8c9f8a7 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -6,6 +6,7 @@ import { printCurrentDirectory } from "../utils/directory-path.js";
 import { up } from "./navigation/up.js";
 import { cd } from './navigation/cd.js';
 import { ls } from './navigation/ls.js';
+import { cat } from './file-system/cat.js';
 
 export const handleInput = async (line) => {
     try {
@@ -30,9 +31,9 @@ export const handleInput = async (line) => {
             case COMMANDS.LS.name:
                 await ls();
                 break;
-            // case COMMANDS.CAT.name:
-            //     await cat(args);
-            //     break;
+            case COMMANDS.CAT.name:
+                await cat(args);
+                break;
             // case COMMANDS.ADD.name:
             //     await add(args);
             //     break;

From e62d894e874ab5a896ee59ca6f33fb97446f962c Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 14:06:27 +0300
Subject: [PATCH 16/27] fix: use events instead of pipeline in cat

---
 src/commands/file-system/cat.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/commands/file-system/cat.js b/src/commands/file-system/cat.js
index 8b44980..ecef3c2 100644
--- a/src/commands/file-system/cat.js
+++ b/src/commands/file-system/cat.js
@@ -1,13 +1,18 @@
 import { resolve } from 'path';
 import { createReadStream } from 'fs';
-import { pipeline } from 'stream/promises';
+import { EOL } from 'os';
 import { getCurrentDir } from '../../utils/directory-path.js';
 import { getArgByNumber } from "../../utils/command-input.js";
 
 export const cat = async (args) => {
     const argPath = getArgByNumber(args, 0);
     const resolvedPath = resolve(getCurrentDir(), argPath);
-    const sourceStream = createReadStream(resolvedPath);
 
-    await pipeline(sourceStream, process.stdout, { end: false });
+    return new Promise((resolve, reject) => {
+        const readStream = createReadStream(resolvedPath);
+
+        readStream.on('data', (chunk) => process.stdout.write(`${EOL}${chunk.toString()}`));
+        readStream.on('end', resolve);
+        readStream.on('error', (error) => reject(error));
+    });
 };
\ No newline at end of file

From f27a2029ccf6f425bac875fded21a563d5782781 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 14:13:46 +0300
Subject: [PATCH 17/27] feat: implement add command

---
 src/commands/file-system/add.js | 12 ++++++++++++
 src/commands/input-handler.js   |  7 ++++---
 2 files changed, 16 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/file-system/add.js

diff --git a/src/commands/file-system/add.js b/src/commands/file-system/add.js
new file mode 100644
index 0000000..8f3dcac
--- /dev/null
+++ b/src/commands/file-system/add.js
@@ -0,0 +1,12 @@
+import { basename, resolve } from 'path';
+import { writeFile } from 'fs/promises';
+import { getCurrentDir } from '../../utils/directory-path.js';
+import { getArgByNumber } from "../../utils/command-input.js";
+
+export const add = async (args) => {
+    const argPath = getArgByNumber(args, 0);
+    const fileBasename = basename(argPath);
+    const filePath = resolve(getCurrentDir(), fileBasename);
+
+    await writeFile(filePath, '', { flag: 'wx' });
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index 8c9f8a7..c939bd4 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -7,6 +7,7 @@ import { up } from "./navigation/up.js";
 import { cd } from './navigation/cd.js';
 import { ls } from './navigation/ls.js';
 import { cat } from './file-system/cat.js';
+import { add } from './file-system/add.js';
 
 export const handleInput = async (line) => {
     try {
@@ -34,9 +35,9 @@ export const handleInput = async (line) => {
             case COMMANDS.CAT.name:
                 await cat(args);
                 break;
-            // case COMMANDS.ADD.name:
-            //     await add(args);
-            //     break;
+            case COMMANDS.ADD.name:
+                await add(args);
+                break;
             // case COMMANDS.RN.name:
             //     await rn(args);
             //     break;

From 37080ec82788dad81726152ca2a43f6e2332b414 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 14:31:35 +0300
Subject: [PATCH 18/27] feat: add rn command

---
 src/commands/file-system/rn.js | 15 +++++++++++++++
 src/commands/input-handler.js  |  7 ++++---
 2 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/file-system/rn.js

diff --git a/src/commands/file-system/rn.js b/src/commands/file-system/rn.js
new file mode 100644
index 0000000..e38a28f
--- /dev/null
+++ b/src/commands/file-system/rn.js
@@ -0,0 +1,15 @@
+import { rename} from 'fs/promises';
+import { basename, resolve, dirname} from 'path';
+import { getCurrentDir } from '../../utils/directory-path.js';
+import { getArgByNumber } from "../../utils/command-input.js";
+
+export const rn = async (args) => {
+    const oldPathArg = getArgByNumber(args, 0);
+    const newNameArg = getArgByNumber(args, 1);
+    const newFilename = basename(newNameArg);
+    const oldFilePath = resolve(getCurrentDir(), oldPathArg);
+    const fileDir = dirname(oldFilePath);
+    const newFilePath = resolve(fileDir, newFilename);
+
+    await rename(oldFilePath, newFilePath);
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index c939bd4..550cd7b 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -8,6 +8,7 @@ import { cd } from './navigation/cd.js';
 import { ls } from './navigation/ls.js';
 import { cat } from './file-system/cat.js';
 import { add } from './file-system/add.js';
+import { rn } from './file-system/rn.js';
 
 export const handleInput = async (line) => {
     try {
@@ -38,9 +39,9 @@ export const handleInput = async (line) => {
             case COMMANDS.ADD.name:
                 await add(args);
                 break;
-            // case COMMANDS.RN.name:
-            //     await rn(args);
-            //     break;
+            case COMMANDS.RN.name:
+                await rn(args);
+                break;
             // case COMMANDS.CP.name:
             //     await cp(args);
             //     break;

From d307094e3dffc9efd8840240b7e4901454027aee Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 16:13:30 +0300
Subject: [PATCH 19/27] feat: add cp command

---
 src/commands/file-system/cp.js | 21 +++++++++++++++++++++
 src/commands/input-handler.js  |  7 ++++---
 2 files changed, 25 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/file-system/cp.js

diff --git a/src/commands/file-system/cp.js b/src/commands/file-system/cp.js
new file mode 100644
index 0000000..89ce324
--- /dev/null
+++ b/src/commands/file-system/cp.js
@@ -0,0 +1,21 @@
+import { resolve, basename } from 'path';
+import { createReadStream, createWriteStream } from 'fs';
+import { pipeline } from 'stream/promises';
+import { getCurrentDir } from '../../utils/directory-path.js';
+import { getArgByNumber } from "../../utils/command-input.js";
+
+export const cp = async (args) => {
+    const sourceArgPath = getArgByNumber(args, 0);
+    const destArgPath = getArgByNumber(args, 1);
+
+    const resolvedSourcePath = resolve(getCurrentDir(), sourceArgPath);
+    const resolvedDestDirPath = resolve(getCurrentDir(), destArgPath);   
+
+    const sourceFilename = basename(resolvedSourcePath);
+    const resolvedDestFilePath = resolve(resolvedDestDirPath, sourceFilename);   
+
+    const sourceStream = createReadStream(resolvedSourcePath);
+    const destStream = createWriteStream(resolvedDestFilePath, { flags: 'wx' });
+
+    await pipeline(sourceStream, destStream);
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index 550cd7b..e9994e9 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -9,6 +9,7 @@ import { ls } from './navigation/ls.js';
 import { cat } from './file-system/cat.js';
 import { add } from './file-system/add.js';
 import { rn } from './file-system/rn.js';
+import { cp } from './file-system/cp.js';
 
 export const handleInput = async (line) => {
     try {
@@ -42,9 +43,9 @@ export const handleInput = async (line) => {
             case COMMANDS.RN.name:
                 await rn(args);
                 break;
-            // case COMMANDS.CP.name:
-            //     await cp(args);
-            //     break;
+            case COMMANDS.CP.name:
+                await cp(args);
+                break;
             // case COMMANDS.MV.name:
             //     await mv(args);
             //     break;

From 79613cb0b3ce726c115abd8aa94f0ecb899e2607 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 16:26:03 +0300
Subject: [PATCH 20/27] feat: add rm command

---
 src/commands/file-system/rm.js | 11 +++++++++++
 src/commands/input-handler.js  |  7 ++++---
 2 files changed, 15 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/file-system/rm.js

diff --git a/src/commands/file-system/rm.js b/src/commands/file-system/rm.js
new file mode 100644
index 0000000..ba00b15
--- /dev/null
+++ b/src/commands/file-system/rm.js
@@ -0,0 +1,11 @@
+import { resolve } from 'path';
+import { unlink } from 'fs/promises';
+import { getCurrentDir } from '../../utils/directory-path.js';
+import { getArgByNumber } from "../../utils/command-input.js";
+
+export const rm = async (args) => {
+    const argPath = getArgByNumber(args, 0);
+    const filePath = resolve(getCurrentDir(), argPath);
+
+    await unlink(filePath);
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index e9994e9..44957b5 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -10,6 +10,7 @@ import { cat } from './file-system/cat.js';
 import { add } from './file-system/add.js';
 import { rn } from './file-system/rn.js';
 import { cp } from './file-system/cp.js';
+import { rm } from './file-system/rm.js';
 
 export const handleInput = async (line) => {
     try {
@@ -49,9 +50,9 @@ export const handleInput = async (line) => {
             // case COMMANDS.MV.name:
             //     await mv(args);
             //     break;
-            // case COMMANDS.RM.name:
-            //     await rm(args);
-            //     break;
+            case COMMANDS.RM.name:
+                await rm(args);
+                break;
             // case COMMANDS.OS.name:
             //     os(args);
             //     break;

From a22e689540623930492b5bb18b967efc201c7231 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 16:32:37 +0300
Subject: [PATCH 21/27] feat: add mv command

---
 src/commands/file-system/mv.js | 7 +++++++
 src/commands/input-handler.js  | 7 ++++---
 2 files changed, 11 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/file-system/mv.js

diff --git a/src/commands/file-system/mv.js b/src/commands/file-system/mv.js
new file mode 100644
index 0000000..d6eb260
--- /dev/null
+++ b/src/commands/file-system/mv.js
@@ -0,0 +1,7 @@
+import { cp } from './cp.js';
+import { rm } from './rm.js';
+
+export const mv = async (args) => {
+    await cp(args);
+    await rm(args);
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index 44957b5..dff6df9 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -11,6 +11,7 @@ import { add } from './file-system/add.js';
 import { rn } from './file-system/rn.js';
 import { cp } from './file-system/cp.js';
 import { rm } from './file-system/rm.js';
+import { mv } from './file-system/mv.js';
 
 export const handleInput = async (line) => {
     try {
@@ -47,9 +48,9 @@ export const handleInput = async (line) => {
             case COMMANDS.CP.name:
                 await cp(args);
                 break;
-            // case COMMANDS.MV.name:
-            //     await mv(args);
-            //     break;
+            case COMMANDS.MV.name:
+                await mv(args);
+                break;
             case COMMANDS.RM.name:
                 await rm(args);
                 break;

From 8cc57ca5367f82604d7da5141cf02b7386a87399 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 17:24:56 +0300
Subject: [PATCH 22/27] feat: add os command

---
 src/commands/input-handler.js |  7 ++++---
 src/commands/os/cpu-info.js   | 11 +++++++++++
 src/commands/os/os.js         | 26 ++++++++++++++++++++++++++
 3 files changed, 41 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/os/cpu-info.js
 create mode 100644 src/commands/os/os.js

diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index dff6df9..40f0c03 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -12,6 +12,7 @@ import { rn } from './file-system/rn.js';
 import { cp } from './file-system/cp.js';
 import { rm } from './file-system/rm.js';
 import { mv } from './file-system/mv.js';
+import { executeOsCommand } from './os/os.js';
 
 export const handleInput = async (line) => {
     try {
@@ -54,9 +55,9 @@ export const handleInput = async (line) => {
             case COMMANDS.RM.name:
                 await rm(args);
                 break;
-            // case COMMANDS.OS.name:
-            //     os(args);
-            //     break;
+            case COMMANDS.OS.name:
+                executeOsCommand(args);
+                break;
             // case COMMANDS.HASH.name:
             //     await hash(args);
             //     break;
diff --git a/src/commands/os/cpu-info.js b/src/commands/os/cpu-info.js
new file mode 100644
index 0000000..4ec8ca1
--- /dev/null
+++ b/src/commands/os/cpu-info.js
@@ -0,0 +1,11 @@
+import { cpus } from 'os';
+
+export const getCpuInfo = () => {
+    const cpuData = cpus().map((cpu) => ({
+        'Model': cpu.model.trim(),
+        'Clock rate, GHz': (cpu.speed / 1000).toFixed(2),
+    }));
+
+    console.log(`Overall amount of CPUs: ${cpuData.length}`);
+    console.table(cpuData);
+};
\ No newline at end of file
diff --git a/src/commands/os/os.js b/src/commands/os/os.js
new file mode 100644
index 0000000..c229745
--- /dev/null
+++ b/src/commands/os/os.js
@@ -0,0 +1,26 @@
+import { EOL, homedir, userInfo } from 'os';
+import { getColoredText } from '../../utils/color-output.js';
+import { getCpuInfo } from './cpu-info.js';
+
+export const executeOsCommand = (args) => {
+    switch (args[0]) {
+        case '--EOL':
+            console.log('Default system End-Of-Line:', getColoredText('GREEN', JSON.stringify(EOL)));
+            break;
+        case '--cpus':
+            getCpuInfo()
+            break;
+        case '--homedir':
+            console.log('Home directory:', getColoredText('GREEN', homedir()));
+            break;
+        case '--username':
+            console.log('System user name:', getColoredText('GREEN', userInfo().username));
+            break;
+        case '--architecture':
+            console.log('CPU architecture:', getColoredText('GREEN', process.arch));
+            break;
+        default:
+            throw new Error(`Invalid input. Command "os" doesn't support argument "${args[0]}"`);
+            break;
+    }
+};
\ No newline at end of file

From 4b81f11c057e8abf06ffa35eefdc6a846ff63975 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 17:52:35 +0300
Subject: [PATCH 23/27] feat: add hash command

---
 src/commands/hash/hash.js     | 22 ++++++++++++++++++++++
 src/commands/input-handler.js |  7 ++++---
 2 files changed, 26 insertions(+), 3 deletions(-)
 create mode 100644 src/commands/hash/hash.js

diff --git a/src/commands/hash/hash.js b/src/commands/hash/hash.js
new file mode 100644
index 0000000..2522b5d
--- /dev/null
+++ b/src/commands/hash/hash.js
@@ -0,0 +1,22 @@
+import { resolve } from 'path';
+import { createReadStream } from 'fs';
+import { createHash } from 'crypto';
+import { getArgByNumber } from "../../utils/command-input.js";
+import { getCurrentDir } from '../../utils/directory-path.js';
+
+export const calculateHash = async (args) => {
+    const argPath = getArgByNumber(args, 0);
+    const resolvedPath = resolve(getCurrentDir(), argPath);   
+    
+    return new Promise((res, rej) => {
+        const readStream = createReadStream(resolvedPath);
+        const hash = createHash('sha256');
+
+        readStream.on('data', (chunk) => hash.update(chunk));
+        readStream.on('end', () => {
+            console.log(hash.digest('hex'));
+            res();
+        });
+        readStream.on('error', (error) => rej(error));
+    });
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index 40f0c03..3480d21 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -13,6 +13,7 @@ import { cp } from './file-system/cp.js';
 import { rm } from './file-system/rm.js';
 import { mv } from './file-system/mv.js';
 import { executeOsCommand } from './os/os.js';
+import { calculateHash } from './hash/hash.js';
 
 export const handleInput = async (line) => {
     try {
@@ -58,9 +59,9 @@ export const handleInput = async (line) => {
             case COMMANDS.OS.name:
                 executeOsCommand(args);
                 break;
-            // case COMMANDS.HASH.name:
-            //     await hash(args);
-            //     break;
+            case COMMANDS.HASH.name:
+                await calculateHash(args);
+                break;
             // case COMMANDS.COMPRESS.name:
             //     await compress(args);
             //     break;

From 74bce0ce80c562dd3d55356745372fc5e931a7e5 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 19:37:57 +0300
Subject: [PATCH 24/27] feat: add archive commands

---
 src/commands/archive/brotli.js | 21 +++++++++++++++++++++
 src/commands/input-handler.js  | 13 +++++++------
 2 files changed, 28 insertions(+), 6 deletions(-)
 create mode 100644 src/commands/archive/brotli.js

diff --git a/src/commands/archive/brotli.js b/src/commands/archive/brotli.js
new file mode 100644
index 0000000..a907a93
--- /dev/null
+++ b/src/commands/archive/brotli.js
@@ -0,0 +1,21 @@
+
+import { resolve } from 'path';
+import { createReadStream, createWriteStream } from 'fs';
+import { pipeline } from 'stream/promises';
+import { createBrotliCompress, createBrotliDecompress } from 'zlib';
+import { getArgByNumber } from "../../utils/command-input.js";
+import { getCurrentDir } from '../../utils/directory-path.js';
+
+export const useBrotli = async (args, isCompress = true) => {
+    const sourceArgPath = getArgByNumber(args, 0);
+    const destArgPath = getArgByNumber(args, 1);
+
+    const resolvedSourcePath = resolve(getCurrentDir(), sourceArgPath);
+    const resolvedDestDirPath = resolve(getCurrentDir(), destArgPath);
+
+    const readStream = createReadStream(resolvedSourcePath);
+    const brotliStream = isCompress ? createBrotliCompress() : createBrotliDecompress();
+    const writeStream = createWriteStream(resolvedDestDirPath);
+
+    await pipeline(readStream, brotliStream, writeStream);
+};
\ No newline at end of file
diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index 3480d21..44b6f32 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -14,6 +14,7 @@ import { rm } from './file-system/rm.js';
 import { mv } from './file-system/mv.js';
 import { executeOsCommand } from './os/os.js';
 import { calculateHash } from './hash/hash.js';
+import { useBrotli } from './archive/brotli.js';
 
 export const handleInput = async (line) => {
     try {
@@ -62,12 +63,12 @@ export const handleInput = async (line) => {
             case COMMANDS.HASH.name:
                 await calculateHash(args);
                 break;
-            // case COMMANDS.COMPRESS.name:
-            //     await compress(args);
-            //     break;
-            // case COMMANDS.DECOMPRESS.name:
-            //     await decompress(args);
-            //     break;
+            case COMMANDS.COMPRESS.name:
+                await useBrotli(args);
+                break;
+            case COMMANDS.DECOMPRESS.name:
+                await useBrotli(args, false);
+                break;
             default:
                 printColoredText('RED', `Invalid input. Command "${command}" not supported.`);
                 break;

From 04e97035068bea6253f3b80b6808ef4f520dde8b Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 21:37:39 +0300
Subject: [PATCH 25/27] fix: use only double quotes as path with spaces
 delimiter

---
 src/commands/input-handler.js | 2 +-
 src/utils/command-input.js    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index 44b6f32..b64fd7f 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -18,7 +18,7 @@ import { useBrotli } from './archive/brotli.js';
 
 export const handleInput = async (line) => {
     try {
-        const args = line.match(/([`"']).*?\1|\S+/g) || [];
+        const args = line.match(/(").*?\1|\S+/g) || [];
         const command = args.shift();
 
         checkArgCount(command, args);
diff --git a/src/utils/command-input.js b/src/utils/command-input.js
index 9b2f0ba..3bfd067 100644
--- a/src/utils/command-input.js
+++ b/src/utils/command-input.js
@@ -21,7 +21,7 @@ export const trimQuotes = (path) => {
     if (!path) {
         return '';
     } else {
-        return path.trim().replace(/^[`"']|[`"']$/g, '');
+        return path.trim().replace(/^"|"$/g, '');
     }
 };
 

From 44c6a94c7246bf79c207befff12b1ad6462b22b0 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Mon, 14 Oct 2024 21:50:29 +0300
Subject: [PATCH 26/27] refactor: add readlineClose function

---
 src/commands/input-handler.js | 6 ++----
 src/index.js                  | 7 ++++++-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/commands/input-handler.js b/src/commands/input-handler.js
index b64fd7f..d2c4214 100644
--- a/src/commands/input-handler.js
+++ b/src/commands/input-handler.js
@@ -1,7 +1,6 @@
 import { EOL } from 'os';
 import { checkArgCount, COMMANDS } from "../utils/command-input.js";
 import { printColoredText } from "../utils/color-output.js";
-import { printFarewellMessage } from '../utils/user.js';
 import { printCurrentDirectory } from "../utils/directory-path.js";
 import { up } from "./navigation/up.js";
 import { cd } from './navigation/cd.js';
@@ -16,7 +15,7 @@ import { executeOsCommand } from './os/os.js';
 import { calculateHash } from './hash/hash.js';
 import { useBrotli } from './archive/brotli.js';
 
-export const handleInput = async (line) => {
+export const handleInput = async (line, readlineClose) => {
     try {
         const args = line.match(/(").*?\1|\S+/g) || [];
         const command = args.shift();
@@ -27,8 +26,7 @@ export const handleInput = async (line) => {
             case undefined:
                 break;
             case COMMANDS.EXIT.name:   
-                printFarewellMessage();
-                process.exit(0);
+                readlineClose();
                 break;
             case COMMANDS.UP.name:
                 up();
diff --git a/src/index.js b/src/index.js
index efdf272..4ca01d5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -11,6 +11,11 @@ const init = () => {
         prompt: getColoredText('BLUE', '> '),
     });
 
+    const readlineClose = () => {
+        readline.close();
+        process.exit(0);
+    };
+
     printWelcomeMessage();
     setStartingDir();
     printCurrentDirectory();
@@ -18,7 +23,7 @@ const init = () => {
 
     readline.on('close', printFarewellMessage);
     readline.on('line', async (input) => {
-        await handleInput(input);
+        await handleInput(input, readlineClose);
         readline.prompt();
     });
 };

From ce595c3d887b07bd20afaecadd1f4a0608f03e09 Mon Sep 17 00:00:00 2001
From: Izy <126877709+izy-code@users.noreply.github.com>
Date: Tue, 15 Oct 2024 00:40:36 +0300
Subject: [PATCH 27/27] fix: add source path condition to cp and brotli

---
 src/commands/archive/brotli.js |  6 +++++-
 src/commands/file-system/cp.js | 10 +++++++---
 src/utils/command-input.js     | 11 +++++++++++
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/commands/archive/brotli.js b/src/commands/archive/brotli.js
index a907a93..6affb3d 100644
--- a/src/commands/archive/brotli.js
+++ b/src/commands/archive/brotli.js
@@ -3,7 +3,7 @@ import { resolve } from 'path';
 import { createReadStream, createWriteStream } from 'fs';
 import { pipeline } from 'stream/promises';
 import { createBrotliCompress, createBrotliDecompress } from 'zlib';
-import { getArgByNumber } from "../../utils/command-input.js";
+import { getArgByNumber, isPathAccessible } from "../../utils/command-input.js";
 import { getCurrentDir } from '../../utils/directory-path.js';
 
 export const useBrotli = async (args, isCompress = true) => {
@@ -13,6 +13,10 @@ export const useBrotli = async (args, isCompress = true) => {
     const resolvedSourcePath = resolve(getCurrentDir(), sourceArgPath);
     const resolvedDestDirPath = resolve(getCurrentDir(), destArgPath);
 
+    if (!(await isPathAccessible(resolvedSourcePath))) {
+        throw new Error("Source path is not accessible.");
+    }
+
     const readStream = createReadStream(resolvedSourcePath);
     const brotliStream = isCompress ? createBrotliCompress() : createBrotliDecompress();
     const writeStream = createWriteStream(resolvedDestDirPath);
diff --git a/src/commands/file-system/cp.js b/src/commands/file-system/cp.js
index 89ce324..6471223 100644
--- a/src/commands/file-system/cp.js
+++ b/src/commands/file-system/cp.js
@@ -2,17 +2,21 @@ import { resolve, basename } from 'path';
 import { createReadStream, createWriteStream } from 'fs';
 import { pipeline } from 'stream/promises';
 import { getCurrentDir } from '../../utils/directory-path.js';
-import { getArgByNumber } from "../../utils/command-input.js";
+import { getArgByNumber, isPathAccessible } from "../../utils/command-input.js";
 
 export const cp = async (args) => {
     const sourceArgPath = getArgByNumber(args, 0);
     const destArgPath = getArgByNumber(args, 1);
 
     const resolvedSourcePath = resolve(getCurrentDir(), sourceArgPath);
-    const resolvedDestDirPath = resolve(getCurrentDir(), destArgPath);   
+    const resolvedDestDirPath = resolve(getCurrentDir(), destArgPath);
+
+    if (!(await isPathAccessible(resolvedSourcePath))) {
+        throw new Error("Source path is not accessible.");
+    }
 
     const sourceFilename = basename(resolvedSourcePath);
-    const resolvedDestFilePath = resolve(resolvedDestDirPath, sourceFilename);   
+    const resolvedDestFilePath = resolve(resolvedDestDirPath, sourceFilename);
 
     const sourceStream = createReadStream(resolvedSourcePath);
     const destStream = createWriteStream(resolvedDestFilePath, { flags: 'wx' });
diff --git a/src/utils/command-input.js b/src/utils/command-input.js
index 3bfd067..6f2c1f3 100644
--- a/src/utils/command-input.js
+++ b/src/utils/command-input.js
@@ -1,4 +1,5 @@
 import { EOL } from 'os';
+import { access } from "fs/promises";
 
 export const COMMANDS = {
     EXIT: { name: '.exit', argCount: 0 },
@@ -44,3 +45,13 @@ export const checkArgCount = (inputCommandName, args) => {
         }
     }
 };
+
+export const isPathAccessible = async path => {
+    try {
+        await access(path);
+
+        return true;
+    } catch {
+        return false;
+    }
+};