har-with-delay.js

#!/usr/bin/env node

const PPT = require('puppeteer');
const PDD = require('puppeteer/DeviceDescriptors');
const PuppeteerHar = require('puppeteer-har');

(async () => {
    const ua = await PPT.launch({
        headless: true,
        args: ['--no-sandbox', '--disable-gpu'],
    });
    const page = await ua.newPage();

    // inject delay
    await page.setRequestInterception(true);
    page.on('request', request => {
        console.log(request.url());
        if (request.resourceType() === 'image') {
            //request.abort();
            setTimeout(() => request.continue(), 9000);
	    //request.continue();
        }
        else {
            request.continue();
        }
    });

    const har = new PuppeteerHar(page);
    await har.start({ path: 'results.har' });

    await page.emulate(PDD['iPhone 6'])
    await page.goto('https://www.yahoo.co.jp/', {
        waitUntil: 'networkidle2',
	timeout: 0,
    });
    await page.screenshot({ path: 'out.png' });
    console.log(await page.title())

    await har.stop();
    await ua.close();
})();