http error response angular

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Mariana
28 Nov 2018
1    // src/app/services/interceptor.service.ts
2    import { Injectable } from '@angular/core';
3    import {
4    HttpInterceptor, HttpRequest,
5    HttpHandler, HttpEvent, HttpErrorResponse
6    } from '@angular/common/http';
7    import { Observable, throwError } from 'rxjs';
8    import { catchError } from 'rxjs/operators';
9    @Injectable({
10    providedIn: 'root'
11    })
12    export class InterceptorService implements HttpInterceptor{
13     constructor() { }
14     handleError(error: HttpErrorResponse){
15      console.log("lalalalalalalala");
16      return throwError(error);
17     }
18    intercept(req: HttpRequest<any>, next: HttpHandler):
19    Observable<HttpEvent<any>>{
20     return next.handle(req)
21     .pipe(
22      catchError(this.handleError)
23     )
24     };
25    }
source
Maria José
25 Oct 2019
1      
2      class HttpErrorResponse extends HttpResponseBase implements Error {
3  constructor(init: { error?: any; headers?: HttpHeaders; status?: number; statusText?: string; url?: string; })
4  name: 'HttpErrorResponse'
5  message: string
6  error: any | null
7  override
8  ok: false
9
10  // inherited from common/http/HttpResponseBase
11  constructor(init: { headers?: HttpHeaders; status?: number; statusText?: string; url?: string; }, defaultStatus: number = HttpStatusCode.Ok, defaultStatusText: string = 'OK')
12  headers: HttpHeaders
13  status: number
14  statusText: string
15  url: string | null
16  ok: boolean
17  type: HttpEventType.Response | HttpEventType.ResponseHeader
18}
19
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