app.ts

import puppeteer from 'puppeteer';
import colors from 'colors/safe';

(async () => {
	const args = ['--proxy-server=http://127.0.0.1:8118'];
	const browser = await puppeteer.launch({ args });
	const page = await browser.newPage();
	await page.goto('https://check.torproject.org/');
	const isUsingTor = await page.$eval('body', el =>
		el.innerHTML.includes('Congratulations. This browser is configured to use Tor')
	);

	if (!isUsingTor) {
		console.log(colors.red('Not using Tor\nClosing...'));
		return await browser.close();
	}

	console.log(colors.green('Using Tor 🧅\nContinuing... '));

	// Now you can go wherever you want
	await page.goto('https://propub3r6espa33w.onion/');

	// You would add additional code to do stuff... 

	// Then when you're done, just close
	await browser.close();
})();