puppeteer - single browser / multiple context

puppeteer-single-browser-multiple-context.js

const Puppeteer = require('puppeteer');

(async function() {
    // run chromium
    const browser = await Puppeteer.launch({
        headless: false,
        defaultViewport: {
            isMobile: true,
            width: 375,
            height: 768,
        },
        args: ['--window-size=375,768']
    });
    
    // parallel navigate
    await Promise.all([
        goPage(browser, 'NEWS'),
        goPage(browser, 'ENT'),
        goPage(browser, 'SPORT'),
        goPage(browser, 'SHOPPING'),
        goPage(browser, 'MYFEED'),
    ]);

    // close chromium (if you want to re-use previous browser, don't close() and connect to wsEndpoint)
    await browser.close();
})();

/**
 * create new context and goto page
 * 
 * @param {Puppeteer.Browser} browser 
 */
async function goPage(browser, panel) {
    const context = await browser.createIncognitoBrowserContext();
    const page = await context.newPage();

    await page.setCookie({name: 'MM_m', value: panel, domain: 'm.naver.com' });
    await page.goto('https://m.naver.com');
    await context.close();

    console.log(`${panel} crawling finish`);
}