error.interceptor.ts
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			import { Injectable } from '@angular/core';
			import { HttpRequest, HttpHandler, HttpEvent, HttpInterceptor } from '@angular/common/http';
			import { Observable, throwError } from 'rxjs';
			import { catchError } from 'rxjs/operators';
			import { AuthenticationService } from '../_services';

			// Error interceptor
			@Injectable()
			export class ErrorInterceptor implements HttpInterceptor {
			constructor(private authenticationService: AuthenticationService) {}

			intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
			return next.handle(request).pipe(catchError(err => {
			if (err.status === 401) {
			// auto logout if 401 response returned from api
			this.authenticationService.logout();
			location.reload(true);
			}

			const error = err.error.message \|\| err.statusText;
			return throwError(error);
			}));
			}
			}

rDDJUDGECLIENT/src/app/_helpers/error.interceptor.ts0b48eefd97b7master