I've been looking for a solution all over the web, but couldn't find anything that fits my user case. I'm using the MEAN stack (Angular 6) and I have a registration form. I'm looking for a way to e...

I need to cancel a httpRequest with DELETE verb before it finishes (because user has canceled the operation) The solution I have found seems to be just canceling the subscription to the observable,...

As the title states, I need to return multiple observables or maybe results. The goal is basically to load let's say a library list and then load books based on that library IDs. I don't want to ca...

I'm trying fetch data via REST with angular 2 HttpClient. I'm following the angular tutorial here https://angular.io/tutorial/toh-pt6 and under the Heroes and HTTP section you'll see this snippet o...

I'm using an HTTP interceptor in order to add auth token to requests but when the http client fires the request, this is intercepted and sent twice This is my HttpClient call searchProd(query: s...

I'm doing a web application in Angular v11.0.2. I need to do a HTTP call to show some information on screen. To save time and to take advantage of the async pipe benefits, I'm using it in the templ...

I am implementing a file upload service with Angular 5 and I want to give the user some feedback on the upload progress. I found several pages suggesting to use the reportProgress parameter that co...

i need to make an API call which allows me to pass through optional query sting params retrieveConts(param1:string,param2?:string):Observable<IContracts> { this.basePath = "/myConts"; r...

I did not find a way in the documentation to set the base API URL for HTTP requests. Is it possible to do this with the Angular HttpClient?

i am new to angular 5 . How to code a common function to show spinner for every HTTP request in angular 5.Please help me to implement this.

Using Typescript/Angular 9: const formData: FormData = new FormData(); formData.append('key', null); console.log(formData.get('key')); >> 'null' this is a 'null' string, as opposed to nul...

I wrote the following code in Angular 2: this.http.request('http://thecatapi.com/api/images/get?format=html&results_per_page=10'). subscribe((res: Response) => { console.log(res); }) ...

I have one service which is returning the forkjoin of multiple http calls. I wanted to test this scenario. class CommentService{ addComments(){ let ob1 = Observable.of({}); let ob2 = Observab...

I'm developing an Angular application for Cordova/iOS. I get about 100 MB of data from the backend services which seems to let iOS' web-view (WKWebView) crash. At least I don't experience crashes w...

i wanted to exclude some services using interceptor. app.module.js providers: [ UserService, RolesService, { provide: HTTP_INTERCEPTORS, useClass: TokenInterceptor, multi: true }, ], Log...

Here is my code: import { HttpClient, HttpErrorResponse, HttpHeaders } from '@angular/common/http'; logIn(username: string, password: string) { const url = 'http://server.com/index.php'; co...

When i pass string value into post method, this value was not converted JSON. So We could not get this value in Controller. I checked following code and find the reason why value was not converted...

In RxJS hot observables are observables which use an external producer, but a cold observable use a local producer (see e.g. RxJS Hot vs Cold Observable by Ben Lesh). Angular HttpClient.post uses ...

I have a application that uses a plugin that register a HttpInterceptor. Now I need to create my own interceptor that need to be run before the other interceptor because it will change some values...

I have created an interceptor which appends a token to the authorization header only needed for API calls made within a feature lazy loaded module. However, I don't think the interceptor is being c...

In my Angular 5 app a certain dataset (not changing very often) is needed multiple times on different places in the app. After the API is called, the result is stored with the Observable do operato...

Recently I have been using Interceptors with Angular HttpClient. I add headers corresponding to some HTTP GET methods and for some I do not need those headers. How can I tell my interceptor to co...

Sorry if this is an obvious question. I am following this tutorial: https://blog.angular-university.io/angular-jwt-authentication/ And i created the Service like in the tutorial but it tells me tha...

I'm trying to add error handling for HTTP request using the newer Angular's HTTP Client: https://angular.io/guide/http In the docs, it says that error handling is done as follows: return this.htt...

Under my Angular6 app , i'm using HttpClient with some headers injection to my htpp calls to fetch data from my backend server : My service : @Injectable() export class LoadUserInfosService { p...