Function launchBrowser

build-system/tasks/visual-diff/browser.js:46–65

* Launches a Puppeteer controlled browser. * * @return {!Promise<!puppeteer.Browser>} a Puppeteer controlled browser.

()

 * @return {!Promise<!puppeteer.Browser>} a Puppeteer controlled browser.
 */
async function launchBrowser() {
  /** @type {import('puppeteer-core').LaunchOptions} */
  const browserOptions = {
    args: [
      '--disable-background-media-suspend',
      '--disable-background-timer-throttling',
      '--disable-backgrounding-occluded-windows',
      '--disable-extensions',
      '--disable-gpu',
      '--disable-renderer-backgrounding',
      '--no-sandbox',
      '--no-startup-window',
    ],
    dumpio: argv.chrome_debug,
    headless: !argv.dev,
    executablePath: locateChromeExecutablePath(),
    waitForInitialPage: false,
  };
  return puppeteer.launch(browserOptions);
}

/**
 * Opens a new browser tab, resizes its viewport, and returns a Page handler.