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feat(zone.js): Monkey patch MessagePort.prototype onproperties (#34610)

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Monkey patch `MessagePort.prototype.onmessage` and `MessagePort.prototype.onmessageerror` to make
these properties's value(callback function) run in the zone when these value are set.

PR Close #34610
This commit is contained in:
JiaLiPassion
2020-03-12 08:38:37 +09:00
committed by Andrew Kushnir
parent 05d0586223
commit 0f8e710c7c
7 changed files with 73 additions and 0 deletions
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18
packages/zone.js/lib/browser/message-port.ts Normal file
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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Monkey patch `MessagePort.prototype.onmessage` and `MessagePort.prototype.onmessageerror`
* properties to make the callback in the zone when the value are set.
*/
Zone.__load_patch('MessagePort', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
const MessagePort = global['MessagePort'];
if (typeof MessagePort !== 'undefined' && MessagePort.prototype) {
api.patchOnProperties(MessagePort.prototype, ['message', 'messageerror']);
}
});