008eaf3b7d
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 |
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