@sefinek/google-tts-api/example/download-by-audio-url.js

Fast Google TTS (Text-To-Speech) for Node.js. For free without any API keys!

const fs = require('fs');
const path = require('path');
const http = require('http');
const https = require('https');
const urlParse = require('url').parse;
const googleTTS = require('../dist/index');

function downloadFile(url, dest) {
	return new Promise((resolve, reject) => {
		const info = urlParse(url);
		const httpClient = info.protocol === 'https:' ? https : http;
		const options = {
			host: info.host,
			path: info.path,
			headers: {
				'user-agent': 'WHAT_EVER'
			}
		};

		httpClient
			.get(options, (res) => {
				// Check status code
				if (res.statusCode !== 200) {
					const msg = `request to ${url} failed, status code = ${res.statusCode} (${res.statusMessage})`;
					reject(new Error(msg));
					return;
				}

				const file = fs.createWriteStream(dest);
				file.on('finish', function() {
					// close() is async, call resolve after close completes.
					file.close(resolve);
				});
				file.on('error', function(err) {
					// Delete the file async. (But we don't check the result)
					fs.unlink(dest);
					reject(err);
				});

				res.pipe(file);
			})
			.on('error', reject)
			.end();
	});
}

// start
const url = googleTTS.getAudioUrl('hello');
console.log(url); // https://translate.google.com/translate_tts?...

const dest = path.resolve(__dirname, 'hello.mp3'); // File destination
console.log('Download to ' + dest + ' ...');
downloadFile(url, dest);
console.log('Download success');