Managing multiple windows in Puppeteer automation?

Other Questions Puppeteer
1

I’m working on browser automation using Puppeteer. I’ve got a script that opens a page, clicks on an element, and then tries to handle a Facebook login popup. But I’m stuck on how to interact with this new window.

Here’s what I’ve tried so far:

const puppeteer = require('puppeteer');

async function runTest() {
  const browser = await puppeteer.launch({headless: false});
  const mainPage = await browser.newPage();
  await mainPage.setViewport({width: 1000, height: 600});
  await mainPage.goto('https://example.com');

  await mainPage.click('.login-button');
  await mainPage.waitForSelector('.facebook-login');
  await mainPage.click('.facebook-login');

  // How do I handle the Facebook popup here?
}

runTest();

I’ve looked at some docs and forums, but I’m still confused. Someone mentioned something about ‘Target domain’, but I don’t really get it. Can anyone explain how to work with multiple windows in Puppeteer? Thanks!

2

I’ve tackled this issue before in my automation projects. One approach that worked well for me was using the browser.on(‘targetcreated’) event. Here’s a snippet that might help:

browser.on('targetcreated', async (target) => {
  if (target.type() === 'page') {
    const newPage = await target.page();
    const url = newPage.url();
    if (url.includes('facebook.com')) {
      // Now you can interact with the Facebook login page
      await newPage.waitForSelector('#email');
      // ... rest of your login logic
    }
  }
});

This method lets you handle any new pages that open, not just Facebook. It’s been reliable in my experience, especially when dealing with various third-party logins. Just make sure to set up the event listener before clicking the login button.

3

Working with multiple windows in Puppeteer can be tricky, but there’s a straightforward approach you can use. After clicking the Facebook login button, you’ll need to wait for the new page to open and then switch to it. Here’s how you can modify your code:

const newPagePromise = new Promise(x => browser.once('targetcreated', target => x(target.page())));
await mainPage.click('.facebook-login');
const newPage = await newPagePromise;
await newPage.waitForNavigation();

// Now you can interact with the Facebook login page
await newPage.type('#email', '[email protected]');
await newPage.type('#pass', 'your_password');
await newPage.click('#loginbutton');

This method uses an event listener to capture the new page when it’s created. After that, you can interact with it just like you do with the main page. Remember to handle any necessary waits or checks to ensure the page has loaded before interacting with elements.

4

hey there, i’ve dealt with this before. try using page.waitForTarget() to catch the new window. something like:

const newTarget = await page.waitForTarget(target => target.url().includes(‘facebook.com’));
const newPage = await newTarget.page();

then u can work with newPage. hope this helps!