components/script/dom/webidls/PerformanceObserver.webidl


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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * The origin of this IDL file is
 * https://w3c.github.io/performance-timeline/#the-performanceobserver-interface
 */

dictionary PerformanceObserverInit {
  required sequence<DOMString> entryTypes;
  boolean buffered = false;
};

callback PerformanceObserverCallback = void (PerformanceObserverEntryList entries, PerformanceObserver observer);

[Constructor(PerformanceObserverCallback callback),
 Exposed=(Window,Worker)]
interface PerformanceObserver {
  [Throws]
  void observe(PerformanceObserverInit options);
  void disconnect();
};