CraftSpace/Notes/remote-debugging-protocol.txt at main · publiccodenet/CraftSpace · GitHub

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https://github.com/GoogleChrome/puppeteer

https://github.com/GoogleChrome/puppeteer/blob/master/lib/Launcher.js

https://github.com/GoogleChrome/puppeteer/tree/master/lib

https://try-puppeteer.appspot.com/

https://chromedevtools.github.io/devtools-protocol/tot/Page/#method-captureScreenshot

https://medium.com/@dschnr/using-headless-chrome-as-an-automated-screenshot-tool-4b07dffba79a?1

https://medium.com/@kensoh/chromeless-chrominator-chromy-navalia-lambdium-ghostjs-autogcd-ef34bcd26907

http://blog.masterdevs.com/chrome-debugging-api/

https://www.nuget.org/packages/MasterDevs.ChromeDevTools/

https://github.com/MasterDevs/ChromeDevTools

https://chromedevtools.github.io/devtools-protocol/

https://github.com/ChromeDevTools/awesome-chrome-devtools#chrome-devtools-protocol

http://compatibility.remotedebug.org/Emulation/Chrome%20(CDP%201.2)/commands/setVisibleSize
http://compatibility.remotedebug.org/Page/Chrome%20(CDP%201.2)/commands/captureScreenshot

https://github.com/cyrus-and/chrome-remote-interface/wiki/Take-page-screenshot

https://www.npmjs.com/package/chrome-devtools-protocol-screenshot

https://github.com/google/ios-webkit-debug-proxy

----

https://github.com/GoogleChrome/puppeteer/blob/master/lib/FrameManager.js#L729

async function waitForPredicatePageFunction(predicateBody, polling, timeout) {
  const predicate = new Function(predicateBody);
  let timedOut = false;
  setTimeout(() => timedOut = true, timeout);
  if (polling === 'raf')
    await pollRaf();
  else if (polling === 'mutation')
    await pollMutation();
  else if (typeof polling === 'number')
    await pollInterval(polling);
  return !timedOut;

  /**
   * @return {!Promise}
   */
  function pollMutation() {
    if (predicate())
      return Promise.resolve();

    let fulfill;
    const result = new Promise(x => fulfill = x);
    const observer = new MutationObserver(mutations => {
      if (timedOut || predicate()) {
        observer.disconnect();
        fulfill();
      }
    });
    observer.observe(document, {
      childList: true,
      subtree: true,
      attributes: true
    });
    return result;
  }

  /**
   * @return {!Promise}
   */
  function pollRaf() {
    let fulfill;
    const result = new Promise(x => fulfill = x);
    onRaf();
    return result;

    function onRaf() {
      if (timedOut || predicate())
        fulfill();
      else
        requestAnimationFrame(onRaf);
    }
  }

  /**
   * @param {number} pollInterval
   * @return {!Promise}
   */
  function pollInterval(pollInterval) {
    let fulfill;
    const result = new Promise(x => fulfill = x);
    onTimeout();
    return result;

    function onTimeout() {
      if (timedOut || predicate())
        fulfill();
      else
        setTimeout(onTimeout, pollInterval);
    }
  }
}