interceptor.tmp.js

@Injectable()
 export class AuthInterceptor implements HttpInterceptor {
   constructor(private authService: AuthService, private localStorageService: LocalStorageService ) {}
 
   intercept(req: HttpRequest<any>, next: HttpHandler) {
     const authRequest = req.clone({});
    return next.handle(authRequest);
    return next.handle(authRequest).pipe(
               filter(event => event instanceof HttpResponse),
               tap((event: HttpResponse<any>) => {
                       // debugger;
                       console.log('event', event, event.headers.get('app-version'));// === null
                      return event;
               })
       );
   }
 }