How to use puppeteer-core - 10 common examples To help you get started, we’ve selected a few puppeteer-core examples, based on popular ways it is used in public projects. Secure your code as it's written. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately.

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async setup () {
    // eslint-disable-next-line
    console.log('Set-up puppeteer environment')
    await super.setup()
    this.global.__BROWSER__ = await puppeteer.connect({ browserWSEndpoint: 'ws://chrome:3000' })
    this.global.__BROWSER__.on('disconnected', () => {
      // eslint-disable-next-line
      console.log('Browser disconnected.')
  }

async _downloadBrowser (revision) {
        const downloadHost = process.env.PUPPETEER_DOWNLOAD_HOST; // defaults to https://storage.googleapis.com if null
        const browserFetcher = puppeteer.createBrowserFetcher({ host: downloadHost });
        // same logic as puppeteer
        revision = revision || process.env.PUPPETEER_CHROMIUM_REVISION || require('puppeteer-core/package.json').puppeteer.chromium_revision;
        const revisionInfo = browserFetcher.revisionInfo(revision);
        // do nothing if the revision is already downloaded.
        if (revisionInfo.local)
            return;
        await browserFetcher.download(revisionInfo.revision, this._downloadProgressCallback(revision));
    },

async start() {
        this._browser = await pptr.launch({
            headless: this._headless,
            executablePath: this._executablePath,
            pipe: this._pipe,
        }).catch((err) => console.log(err));
        this._page = await this._browser.pages()
            .then((pageArr) => {
            return pageArr[0];
        this._page.goto(this._url, { waitUntil: 'networkidle0' });
        return await this._page;
    // Recursive React component scraping algorithm

async function downloadChromium() {
  const browserFetcher = puppeteer.createBrowserFetcher({
    path: chromeTempPath,
    host: downloadHost,
  const revision =
    process.env.PUPPETEER_CHROMIUM_REVISION ||
    process.env.npm_config_puppeteer_chromium_revision ||
    process.env.npm_package_config_puppeteer_chromium_revision ||
    pptrCoreJson.puppeteer.chromium_revision
  const revisionInfo = browserFetcher.revisionInfo(revision)
  // If already downloaded
  if (revisionInfo.local) return revisionInfo
  try {
    console.log(`Downloading Chromium r${revision}...`)

async function downloadChromium(options, targetRevision) {
  const browserFetcher = puppeteer.createBrowserFetcher({ path: options.localDataDir });
  const revision = targetRevision || require('puppeteer-core/package.json').puppeteer.chromium_revision;
  const revisionInfo = browserFetcher.revisionInfo(revision);
  // Do nothing if the revision is already downloaded.
  if (revisionInfo.local)
    return revisionInfo;
  // Override current environment proxy settings with npm configuration, if any.
  try {
    console.log(`Downloading Chromium r${revision}...`);
    const newRevisionInfo = await browserFetcher.download(revisionInfo.revision);
    console.log('Chromium downloaded to ' + newRevisionInfo.folderPath);
    let localRevisions = await browserFetcher.localRevisions();
    localRevisions = localRevisions.filter(revision => revision !== revisionInfo.revision);
    // Remove previous chromium revisions.
    const cleanupOldVersions = localRevisions.map(revision => browserFetcher.remove(revision));

async function launchChromeAndRunLighthouse(url, opts, config) {
  // eslint-disable-next-line no-unused-vars
  const chrome = await chromeLauncher.launch({
    port: 9222,
    logLevel: 'silent',
    chromeFlags: ['--headless', '--disable-gpu'],
  const browser = await puppeteer.connect({
    browserURL: 'http://localhost:9222',
  browser.on('targetchanged', async target => {
    const page = await target.page();
    if (NETWORK[opts.connection]) {
      await page
        .target()
        .createCDPSession()
        .then(client => {
          console.log(
            `CDP: network conditions set to WPT ${opts.connection} profile.`,
          return client.send('Network.emulateNetworkConditions', {
            offline: NETWORK[opts.connection].offline,

async function downloadChromium() {
  const browserFetcher = puppeteer.createBrowserFetcher({
    path: chromeTempPath,
    host: downloadHost,
  const revision =
    process.env.PUPPETEER_CHROMIUM_REVISION ||
    process.env.npm_config_puppeteer_chromium_revision ||
    process.env.npm_package_config_puppeteer_chromium_revision ||
    pptrCoreJson.puppeteer.chromium_revision
  const revisionInfo = browserFetcher.revisionInfo(revision)
  // If already downloaded
  if (revisionInfo.local) return revisionInfo
  try {
    console.log(`Downloading Chromium r${revision}...`)
    const newRevisionInfo = await browserFetcher.download(revisionInfo.revision)
    console.log(`Chromium downloaded to ${newRevisionInfo.folderPath}`)
    let localRevisions = await browserFetcher.localRevisions()
    localRevisions = localRevisions.filter(r => r !== revisionInfo.revision)
    // Remove previous revisions
    const cleanupOldVersions = localRevisions.map(r => browserFetcher.remove(r))
    await Promise.all(cleanupOldVersions)

export default async function (email, headers, year, month, invoiceDate, html) {
  const documentDir = jetpack.cwd(store.get('invoicePath'))
  const chrome = await launch(puppeteer)
  store.set('processPID', chrome.pid) // Store process ID to kill when app quits
  const resp = await util.promisify(request)(`http://localhost:${chrome.port}/json/version`)
  const { webSocketDebuggerUrl } = JSON.parse(resp.body)
  const browser = await puppeteer.connect({
    browserWSEndpoint: webSocketDebuggerUrl
  const page = await browser.newPage()
  await page.setCacheEnabled(true)
  await page.setExtraHTTPHeaders(headers)
  await page.setContent(html)
  await page.waitFor(2000)
  if (!jetpack.exists(documentDir.path(`${documentDir.path()}/${email}/Lyft/${year}/${month}/`))) {
    jetpack.dir(documentDir.path(`${documentDir.path()}/${email}/Lyft/${year}/${month}/`))
  await page.emulateMedia('print')
  const receiptFilePath = `${documentDir.path()}/${email}/Lyft/${year}/${month}/Receipt-${invoiceDate}.pdf`
  await page.pdf({

export default async function () {
  // Selectors Needed
  const EMAIL_SELECTOR = '#useridInput'
  const PASSWORD_SELECTOR = '#password'
  const SMS_SELECTOR = '#verificationCode'
  const NEXT_BUTTON = '#app-body > div > div:nth-child(1) > form > button'
  const VERIFY_BUTTON = '#app-body > div > div > form > button'
  const DASHBOARD = '#root'
  const documentDir = jetpack.cwd(store.get('invoicePath'))
  const chrome = await launch(puppeteer)
  store.set('processPID', chrome.pid) // Store process ID to kill when app quits
  const resp = await util.promisify(request)(`http://localhost:${chrome.port}/json/version`)
  const { webSocketDebuggerUrl } = JSON.parse(resp.body)
  const browser = await puppeteer.connect({
    browserWSEndpoint: webSocketDebuggerUrl
  const page = await browser.newPage()
  await page.setViewport({
    width: 1440,
    height: 990,
    deviceScaleFactor: 2
  await page.setCacheEnabled(true)
  await page.setJavaScriptEnabled(true)
  // Launch Page
  await page.goto('https://auth.uber.com/login?next_url=https://riders.uber.com', { waitUntil: 'domcontentloaded' })

export default async function (email, headers, year, month, invoiceDate, html, rideType) {
  const documentDir = jetpack.cwd(store.get('invoicePath'))
  const chrome = await launch(puppeteer)
  store.set('processPID', chrome.pid) // Store process ID to kill when app quits
  const resp = await util.promisify(request)(`http://localhost:${chrome.port}/json/version`)
  const { webSocketDebuggerUrl } = JSON.parse(resp.body)
  const browser = await puppeteer.connect({
    browserWSEndpoint: webSocketDebuggerUrl
  const rideDirectory = rideType
  const page = await browser.newPage()
  await page.setCacheEnabled(true)
  await page.setExtraHTTPHeaders(headers)
  await page.setContent(html)
  await page.waitFor(1000)
  if (!jetpack.exists(documentDir.path(`${documentDir.path()}/${email}/${rideDirectory}/${year}/`))) {
    jetpack.dir(documentDir.path(`${documentDir.path()}/${email}/${rideDirectory}/${year}/`))
  await page.emulateMedia('print')