main.js

const puppeteer = require('puppeteer');
const solve = require('./solver.js')

(async () => {
  const browser = await puppeteer.launch({
	headless: false,
	});
  const page = await browser.newPage();

  await page.goto('https://www.privateurl', {
		waitUntil: 'networkidle2',
	});

  const res = await solve(page);
  console.log(res);  //'error' or 'success'
  if(res == 'error') await browser.close()
})();