Merge pull request #231 from Ninjavin/nodejs-ytdload-ninjavin

Added-YT-Downloader-NodeJS

Author: SANKET7738

JavaScript/Youtube-Video-Downloader/.gitignore

@@ -0,0 +1 @@
+/node_modules

JavaScript/Youtube-Video-Downloader/README.md

@@ -0,0 +1,13 @@
+# A Simple YouTube Video Downloader in NodeJS
+
+This NodeJs Script downloads the youtube video from the url mentioned.
+
+## How to Run?
+
++ Run `npm install i` in the project folder.
++ Run `ytdload "<youtube-video-link>"` to download any YouTube video.
+> You can also run `npm install -g .` in the project folder, this will allow you to run the script from any location.
+
+## Sample Input & Output
+
+![image](images/ytdload.png)

JavaScript/Youtube-Video-Downloader/images/ytdload.png

@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+const fs = require('fs');
+const readline = require('readline');
+const ytdl = require('ytdl-core');
+const chalk = require('chalk');
+const figlet = require('figlet');
+const args = process.argv;
+// Download Function
+download = (link) => {
+	getTime = () => {
+		let today = new Date();
+		let y = today.getFullYear();
+		let m = today.getMonth() + 1;
+		let d = today.getDate();
+		let h = today.getHours();
+		let mi = today.getMinutes();
+		let s = today.getSeconds();
+		return y + "-" + m + "-" + d + "-" + h + "-" + mi + "-" + s;
+	}
+	console.log(chalk.cyan("Starting download..."));
+	ytdl(link).once('response', () => {
+		starttime = Date.now()
+	}).on('progress', (chunkLength, downloaded, total) => {
+		const percent = downloaded / total;
+		readline.cursorTo(process.stdout, 0);
+		process.stdout.write(`${(percent * 100).toFixed(2)}% downloaded `);
+		process.stdout.write(`(Total Download Size : ${(total / 1024 / 1024).toFixed(2)}MB)\n`);
+		readline.moveCursor(process.stdout, 0, -1);
+	}).on('finish', () => {
+		console.log(chalk.greenBright("\nSuccessfully Downloaded!"))
+	}).pipe(fs.createWriteStream(`video-${getTime()}.mp4`))
+}
+// Help Command for User
+help = () => {
+	console.log(chalk.yellowBright(figlet.textSync("YouTube Downloader", function(err, data){
+		if(err){
+			console.log(err);
+		}
+		console.log(data);
+	})))
+	console.log(chalk.green(`Run ${chalk.yellow(`ytdload "<link-here>"`)} to download the youtube video`));
+}
+// If the user only enters ytdload
+if(args.length == 2){
+	help();
+}else{
+	// Getting the link entered by user
+	const link = args[2];
+	download(link);
+}

JavaScript/Youtube-Video-Downloader/index.js

@@ -0,0 +1,19 @@
+{
+  "name": "nodejs-yt-downloader",
+  "version": "1.0.0",
+  "description": "`npm init`",
+  "main": "index.js",
+  "bin": {
+    "ytdload": "./index.js"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Ninjavin",
+  "license": "ISC",
+  "dependencies": {
+    "chalk": "^4.1.0",
+    "figlet": "^1.5.0",
+    "ytdl-core": "^4.0.2"
+  }
+}