843 questions
1
vote
0
answers
126
views
Memory leaks with angular ssr 18 application
I've been struggling with memory leaks issues in my Angular application for a few months now and haven't been able to find a solution. The memory heap is not flushed until my pods restart every 6 ...
- 11
2
votes
2
answers
56
views
How can i filter an Observable/BehaviourSubject correctly?
Service:
@Injectable({
providedIn: 'root'
})
export class DeckService{
private decks$ = new BehaviorSubject<Deck[]>([]);
constructor(private http: HttpClient) {}
public init(): void {
...
- 49
0
votes
3
answers
75
views
Force nested loop over observables to wait for all
I've read about forkJoin, async, await, and also tried out angular life cycle methods, but finally found no good solution.
I need to wait until initiAttributesMap has finished his job before next code ...
- 139
0
votes
1
answer
55
views
Dynamic update menu links based on user auth status
I am building an angular app. Many of the menu links are static and public and available to users with out any authentication.
But some do require a user to be logged in.
The menu itself is in a ...
- 63
-2
votes
1
answer
92
views
Angular Observable: Unable to read property Length inside Subscribe [closed]
I've recently started developing using Angular, and I'm still in learning mode. So, I have this dilemma, which I need to access the "Length" property of an array inside of .Subscribe of an ...
- 1
1
vote
1
answer
777
views
what happens to active subscriptions when the browser is closed or refreshed?
I have few subscriptions in app component ( root component) in angular. Once angular loads the application, the app component never get destroyed until we close the application. This basically means, ...
- 145
1
vote
1
answer
217
views
Angular RxJS, push newly added item to the existing Observable Array
I have 2 services.
RoomService -> Returns a list of existing rooms
NotificationService -> Returns a Server Sent Event (SSE) when a new room is added.
What I'm trying to do is
Fetch all the ...
- 7,100
0
votes
1
answer
407
views
can I call the apis in observable in a certain sequence/order
I am learning angular Observable topic. I was trying to call apis inside Observable and hoping that they will run in an order in which I have stated them.
Below is my component class code:
import { ...
- 1
0
votes
0
answers
49
views
I can't get the information outside of subscribe section with Observable and HttpClient in Angular
My backend is working, but in the frontend I have the service:
getDoctorById(sId : number): Observable<Doctor>{ let url = this.baseURL+"/id/"+sId return this.httpClient.get<Doctor&...
0
votes
0
answers
160
views
In Angular2, how do I display an object consisting of a Tuple that's sent from a .NET Core controller?
I have the following controller:
[Route("api/[controller]")]
[ApiController]
public class TestController : ControllerBase
{
[HttpGet]
public IActionResult Test()
{
return ...
2
votes
2
answers
800
views
Why the angular unit test is not testing the content of the subscription in this service?
I'm using Angular 14. I'm trying to test this service:
import { EnvironmentService } from './environment.service';
import { MsalService, MsalBroadcastService, MSAL_GUARD_CONFIG, MsalGuardConfiguration ...
- 57
0
votes
1
answer
489
views
How to wait for function with observable to resolve?
Working on Angular/Angular2 and I've got something like
buildData() {
this.services.getData()).pipe(takeUntil(this.ngUnsubscribe))
.subscribe(response => {
this.handleResponse(response);...
- 9
0
votes
1
answer
921
views
Angular - Get data from a service for a form
I want to create a form in Angular, but I need some data for placeholders. This data is retrieved from a service as JSON with three fields.
I don't really understand how TypeScript works so I might be ...
- 514
0
votes
1
answer
49
views
in the Angular tutorial, how do you modify the log line to specify the number of heroes fetched?
The code example is this:
/** GET heroes from the server */
getHeroes(): Observable<Hero[]> {
return this.http.get<Hero[]>(this.heroesUrl)
.pipe(
tap(_ => this.log('fetched ...
- 571
1
vote
2
answers
6k
views
Angular App initialization with Observables
I have this application which needs some initialization before starting.
I'm using the recommended way, with the APP_INITIALIZER, the factory function, etc. along with the syntax in the factory ...
- 412