ChromiumBrowser

• extends: Browser

Chromium-specific features including Tracing, service worker support, etc. You can use chromiumBrowser.startTracing and chromiumBrowser.stopTracing to create a trace file which can be opened in Chrome DevTools or timeline viewer.

await browser.startTracing(page, {path: 'trace.json'});

await page.goto('https://www.google.com');

await browser.stopTracing();

• chromiumBrowser.newBrowserCDPSession()
• chromiumBrowser.startTracing([page, options])
• chromiumBrowser.stopTracing()
• event: 'disconnected'
• browser.close()
• browser.contexts()
• browser.isConnected()
• browser.newContext([options])
• browser.newPage([options])
• browser.version()

chromiumBrowser.newBrowserCDPSession()

• returns: <Promise<CDPSession>> Promise that resolves to the newly created browser session.

chromiumBrowser.startTracing([page, options])

• page <Page> Optional, if specified, tracing includes screenshots of the given page.
• options <Object>
  • path <string> A path to write the trace file to.
  • screenshots <boolean> captures screenshots in the trace.
  • categories <Array<string>> specify custom categories to use instead of default.
• returns: <Promise>

Only one trace can be active at a time per browser.

chromiumBrowser.stopTracing()

• returns: <Promise<Buffer>> Promise which resolves to buffer with trace data.