2019-06-01 00:56:07 +09:00
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/**
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* @license
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2020-05-19 12:08:49 -07:00
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* Copyright Google LLC All Rights Reserved.
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2019-06-01 00:56:07 +09:00
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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Zone.__load_patch('shadydom', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
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// https://github.com/angular/zone.js/issues/782
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// in web components, shadydom will patch addEventListener/removeEventListener of
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// Node.prototype and WindowPrototype, this will have conflict with zone.js
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// so zone.js need to patch them again.
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2019-07-21 19:44:13 +09:00
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const HTMLSlotElement = global.HTMLSlotElement;
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const prototypes = [
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Object.getPrototypeOf(window), Node.prototype, Text.prototype, Element.prototype,
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HTMLElement.prototype, HTMLSlotElement && HTMLSlotElement.prototype, DocumentFragment.prototype,
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Document.prototype
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];
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prototypes.forEach(function(proto) {
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if (proto && proto.hasOwnProperty('addEventListener')) {
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proto[Zone.__symbol__('addEventListener')] = null;
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proto[Zone.__symbol__('removeEventListener')] = null;
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fix(zone.js): should continue to executue listeners when throw error (#41562)
Close #41522
`zone.js` patches event listeners and run all event listeners together, if
one event handler throws error, the listeners afterward may not be invoked.
Reproduction:
```
export class AppComponent implements AfterViewInit {
@ViewChild('btn') btn: ElementRef;
title = 'event-error';
constructor(private ngZone: NgZone) {}
ngAfterViewInit() {
this.ngZone.runOutsideAngular(() => {
this.btn.nativeElement.addEventListener('click', () => {
throw new Error('test1');
});
this.btn.nativeElement.addEventListener('click', () => {
console.log('add eventlistener click');
});
});
}
}
```
Until now no Angular users report this issue becuase in the `ngZone`, all
error will be caught and will not rethrow, so the event listeners afterward
will still continue to execute, but if the event handlers are outside of `ngZone`,
the error will break the execution.
This commit catch all errors, and after all event listeners finished invocation,
rethrow the errors in seperate `microTasks`, the reason I am using `microTask` here
is to handle multiple errors case.
PR Close #41562
2021-04-11 14:19:23 +08:00
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api.patchEventTarget(global, api, [proto]);
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2019-07-21 19:44:13 +09:00
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}
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});
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2019-06-01 00:56:07 +09:00
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});
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