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const readline = require('readline');
const path = require('path');
const fs = require('fs');
const ytdl = require('..');
const url = 'https://www.youtube.com/watch?v=WhXefyLs-uw';
const output = path.resolve(__dirname, 'video.mp4');
const video = ytdl(url);
let starttime;
video.pipe(fs.createWriteStream(output));
video.once('response', () => {
starttime = Date.now();
});
video.on('progress', (chunkLength, downloaded, total) => {
const percent = downloaded / total;
const downloadedMinutes = (Date.now() - starttime) / 1000 / 60;
const estimatedDownloadTime = (downloadedMinutes / percent) - downloadedMinutes;
readline.cursorTo(process.stdout, 0);
process.stdout.write(`${(percent * 100).toFixed(2)}% downloaded `);
process.stdout.write(`(${(downloaded / 1024 / 1024).toFixed(2)}MB of ${(total / 1024 / 1024).toFixed(2)}MB)\n`);
process.stdout.write(`running for: ${downloadedMinutes.toFixed(2)}minutes`);
process.stdout.write(`, estimated time left: ${estimatedDownloadTime.toFixed(2)}minutes `);
readline.moveCursor(process.stdout, 0, -1);
});
video.on('end', () => {
process.stdout.write('\n\n');
});
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