scroll page to end of document with nodejs puppeteer

scroll.js

const puppeteer = require('puppeteer');

(async () => {
    const browser = await puppeteer.launch();
    const [page] = await browser.pages();

    await page.goto('https://www.reddit.com/r/GameDeals/', { waitUntil: 'networkidle0' });
    const links = await page.evaluate(async () => {
        window.scrollBy(0, document.body.clientHeight);
        await new Promise(resolve => setTimeout(resolve, 5000)); // wait for some time, you might need to figure out a good value for this yourself
        return [...document.querySelectorAll('.scrollerItem div:nth-of-type(2) article div div:nth-of-type(3) a')]
            .map((el) => el.href);
    });
    console.log(links, links.length);

    await browser.close();
})();