37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
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import {Injectable} from '@angular/core';
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import {Observable} from 'rxjs/internal/Observable';
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import {throwError} from 'rxjs';
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@Injectable({
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providedIn: 'root'
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})
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export class ErrorLoggerService {
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constructor() {
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}
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/**
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* Handle Http operation that failed.
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* Let the app continue.
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* @param operation - name of the operation that failed
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* @param result - optional value to return as the observable result
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*/
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public handleError<T>(serviceName = 'error-logger', operation = 'operation', result?: T) {
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return (error: any): Observable<T> => {
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// TODO: send the error to remote logging infrastructure
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console.error(error); // log to console instead
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// TODO: better job of transforming error for user consumption
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this.log(serviceName, `${operation} failed: ${error.message}`);
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// // Let the app keep running by returning an empty result.
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// return of(result as T);
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return throwError(error);
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};
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}
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public log(serviceName = 'error-logger', message: string) {
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console.log(serviceName + 'Service: ' + message);
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}
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}
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