TypeScript chrome-remote-interface.New函数代码示例

export async function create(html: string, options?: CreateOptions): Promise<CreateResult> {
  const myOptions = Object.assign({}, options);
  let chrome: LaunchedChrome;

  myOptions._canceled = false;
  if (myOptions.timeout >= 0) {
    setTimeout(() => {
      myOptions._canceled = true;
    }, myOptions.timeout);
  }

  await throwIfCanceled(myOptions);
  if (!myOptions.host && !myOptions.port) {
    await throwIfCanceled(myOptions);
    chrome = await launchChrome(myOptions);
  }

  try {
    const tab = await CDP.New(myOptions);
    try {
      return await generate(html, myOptions, tab);
    } finally {
      await CDP.Close({ ...myOptions, id: tab.id });
    }
  } finally {
    if (chrome) {
      await chrome.kill();
    }
  }
}

 private async connectToChrome(): Promise<Client> {
   const target = await CDP.New({
     port: this.options.cdp.port,
     host: this.options.cdp.host,
   })
   return await CDP({ target })
 }

  private async startChrome(): Promise<Client> {
    const { port } = this.options.cdp
    this.chromeInstance = await launch({
      logLevel: this.options.debug ? 'info' : 'silent',
      chromeFlags: [
        // Do not render scroll bars
        '--hide-scrollbars',

        // The following options copied verbatim from https://github.com/GoogleChrome/chrome-launcher/blob/master/src/flags.ts

        // Disable built-in Google Translate service
        '--disable-translate',
        // Disable all chrome extensions entirely
        '--disable-extensions',
        // Disable various background network services, including extension updating,
        //   safe browsing service, upgrade detector, translate, UMA
        '--disable-background-networking',
        // Disable fetching safebrowsing lists, likely redundant due to disable-background-networking
        '--safebrowsing-disable-auto-update',
        // Disable syncing to a Google account
        '--disable-sync',
        // Disable reporting to UMA, but allows for collection
        '--metrics-recording-only',
        // Mute any audio
        '--mute-audio',
        // Skip first run wizards
        '--no-first-run',
      ],
      port,
    })
    const target = await CDP.New({
      port,
    })
    return await CDP({ target, port })
  }

  private async initRuntimeClient(): Promise<RuntimeClient> {
    const target = await CDP.New()
    const client = await CDP({ target })

    await this.setViewport(client)

    const runtime = new LocalRuntime(client, this.options)

    return { client, runtime }
  }

 private async startChrome(): Promise<Client> {
   this.chromeInstance = await launch({
     logLevel: this.options.debug ? 'info' : 'silent',
     port: this.options.cdp.port,
   })
   const target = await CDP.New({
     port: this.chromeInstance.port,
   })
   return await CDP({ target })
 }