Download YouTube playlists (2022)

index.js

// Installation
// -
// mkdir yt_download_playlist
// cd yt_download_playlist
// mkdir download
// npm init -y
// npm install puppeteer
// npm install ytdl-core
// touch index.js

// Paste the code in the `index.js`

// Usage
// -
// update playlistUrl variable with your playlist
// node index.js

const puppeteer = require("puppeteer");
const fs = require("fs");
const path = require("path");
const ytdl = require("ytdl-core");

const delay = (ms) => {
  return new Promise((resolve) => {
    setTimeout(resolve, ms);
  });
};

const downloadVideo = (id, { folderPath = "", opts = {} } = {}) => {
  return new Promise(async (resolve, reject) => {
    const video = ytdl(`https://www.youtube.com/watch?v=${id}`, opts);
    video.on("end", () => {
      resolve();
    });
    video.pipe(fs.createWriteStream(path.join(folderPath, `${id}.mp4`)));
  });
};

const start = async (url, { headless = true } = {}) => {
  const browser = await puppeteer.launch({ headless });

  const page = await browser.newPage();

  await page.goto(url);

  await delay(1000);

  const links = await page.evaluate(() => {
    return Array.from(
      document.querySelectorAll("#playlist-items a#wc-endpoint")
    ).map((el) => el.href);
  });

  const ids = links.map((link) => {
    return new URL(link).searchParams.get("v");
  });

  for (const id of ids) {
    console.log("Downloading video:", id);
    await downloadVideo(id, {
      folderPath: "download",
    });
    console.log("END:", id);
  }
  console.log("Finished!");

  await browser.close();
};

const playlistUrl = ""; // Change url here

start(playlistUrl, { headless: true });