errorhandle.interceptor.ts

import {HttpInterceptor, HttpRequest, HttpErrorResponse, HttpHandler, HttpEvent} from '@angular/common/http';import {Observable} from 'rxjs/Observable';import 'rxjs/add/operator/do';
export class ErrorHandlerInterceptor implements HttpInterceptor {

    constructor() {
    }

    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
        return next.handle(request).do((event: HttpEvent<any>) => {
        }, (err: any) => {
            if (err instanceof HttpErrorResponse) {
                console.log(err);
                if (!(err.status === 401 && (err.message === '' || (err.url && err.url.indexOf('/api/account') === 0)))) {
                }
            }
        });
    }}