screenshot.js

const puppeteer = require('puppeteer-extra');
const StealthPlugin = require('puppeteer-extra-plugin-stealth');
puppeteer.use(StealthPlugin());

const url = process.argv[2];
const timeout = 5000;

(async () => {
    const browser = await puppeteer.launch( {
        headless: "false",
        executablePath: '/Applications/Google\ Chrome\ Canary.app/Contents/MacOS/Google\ Chrome\ Canary',
        userDataDir: '/Users/jasonzhou/Library/Application\ Support/Google/Chrome\ Canary/Default',
    } );

    const page = await browser.newPage();

    await page.setViewport( {
        width: 1200,
        height: 1200,
        deviceScaleFactor: 1,
    } );

    await page.goto( url, {
        waitUntil: "domcontentloaded",
        timeout: timeout,
    } );

    await page.waitForTimeout(timeout);

    await page.screenshot({
        path: "screenshot.jpg",
        fullPage: true,
    });

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