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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | 1x | import { ErrorHandler, Injectable, NgZone } from '@angular/core';
import { MainDataService } from './shared/shared.module';
import { AppError, WrappedError } from './app.interfaces';
@Injectable()
export class AppErrorHandler implements ErrorHandler {
constructor(
private mainDataService: MainDataService,
private zone: NgZone
) {}
handleError(error: Error | DOMException | AppError | WrappedError) {
this.zone.run(() => {
// unwrap error, if it comes from an "Uncaught (in promise)"-error
Iif ('promise' in error && 'rejection' in error && error.rejection) {
// eslint-disable-next-line no-param-reassign
error = error.rejection;
}
Iif (error instanceof AppError) {
this.mainDataService.appError = error;
return;
}
// it's not possible to get the sourcemap'd stack trace, only to print it to console
Iif ('stack' in error) {
// eslint-disable-next-line no-console
console.warn(error.stack);
}
Iif (
error.constructor.name === 'Event' &&
'type' in error &&
error.type === 'error' &&
'target' in error &&
typeof error.target === 'object' &&
error.target != null &&
'url' in error.target
) {
this.mainDataService.appError = new AppError({
type: 'network',
label: 'Unbekannter Netzwerkfehler',
description: `Can not establish connection to \`${error.target.url}\``
});
return;
}
this.mainDataService.appError = new AppError({
type: 'script',
label: `Programmfehler: ${error.name}`,
description: error.message
});
});
}
}
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