servo/components/script/dom/webidls/PerformanceObserver.webidl
2020-01-27 15:35:39 -05:00

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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 {
sequence<DOMString> entryTypes;
DOMString type;
boolean buffered;
};
callback PerformanceObserverCallback = void (PerformanceObserverEntryList entries, PerformanceObserver observer);
[Exposed=(Window,Worker)]
interface PerformanceObserver {
[Throws] constructor(PerformanceObserverCallback callback);
[Throws]
void observe(optional PerformanceObserverInit options = {});
void disconnect();
PerformanceEntryList takeRecords();
// [SameObject] static readonly attribute FrozenArray<DOMString> supportedEntryTypes;
};