All Questions
140 questions
1
vote
1
answer
91
views
Call function after signal value change
I have a component with a simple login form.
@Component({
selector: 'app-login',
standalone: true,
imports: [
ReactiveFormsModule,
MatCardModule,
...
],
templateUrl: './login....
- 11
2
votes
1
answer
83
views
Alternative to ngrx store subscription in the component?
in an application I am working on, I am creating a component that blocks the screen (overrides whatever screen there is) when a certain condition occurs.
I am using NgRx for state management.
private ...
- 21
1
vote
2
answers
270
views
RXJS operator for combineLatest with no null values
In my Angular project, I am trying to get the values of a few ngrx selectors, and use them all to create a query string to use for an API call.
I want to wait until they all emit a non nullish value, ...
- 271
1
vote
1
answer
157
views
Are ngrx effects triggered again after state updates?
In my Angular project I have this ngrx effect, which triggers a new SearchAction:
createSearchWithNewLimit$ = createEffect(() => {
return this.actions$.pipe(
ofType(pageLimitChangedAction)...
- 271
0
votes
1
answer
51
views
Asynchronous issue using rxjs chaining in ngrx effects
@Effect({ dispatch: false })
public setJwtDataParcoursPage = this.actions$.pipe(
ofType(INIT_FORM_SUCCESS_ACTION),
map((action: InitFormSuccessAction) => action.payload),
withLatestFrom(this....
- 5,265
0
votes
1
answer
62
views
Mock derivative Observable stream
I can not properly mock the derivative Observable stream in Jest/Angular app.
Basically I need to test NgRx effect.
export const cancel$ = createEffect(
(
actions$ = inject(Actions),
...
- 23
0
votes
1
answer
510
views
How to unit test timer() observable with jasmine marbels
I'm trying in angular application to unit test ngrx effect that introduces some polling logic using timer and maps to some actions depending on the value from some selector.
My code is something like ...
- 1
0
votes
0
answers
35
views
popularTags is undefined in PopularTagsComponent
I am implementing the realworld.io project in Angular. I have a global-feed.component component. In this component, I want to show the popularTags.component component. The component should display a ...
- 198
1
vote
1
answer
110
views
rxjs: merge 2 streams, complete stream when a specific input emits
I'm writing an Angular app and setting up a system where an NGRX effect will request data to a service.
Underlyingly, this service will do two things:
Check local cache (sqlite) for the requested ...
- 19.8k
1
vote
1
answer
375
views
How to pass Observable @Input to angular component store?
I'm trying to pass an Observable array into an inner 'dumb' component, do some filtering/mapping on it and then pass it to a custom table object that requires an observable as input. My outer ...
- 184
1
vote
1
answer
881
views
How do i fetch my NGRX store state in Cypress test
I am trying to fetch my store state in my Cypress test.
As advised here: Cypress - programmatically manipulating Angular/NGRX app I am exposing my store in my angular component this way:
constructor(...
- 634
0
votes
1
answer
281
views
ngrx data - collection service and data service, custom endpoint observable
I needed a custom PUT request related to my entity in ngrx/data, I would like to show it as I am not certain it is accurate... Say a I have a movie library and I can add tags to movies with PUT ...
- 19
0
votes
1
answer
224
views
Angular performance around one shot observables
In my angular app, since I implmented the ngrx store, I have a lot of use case where I use observables for one shot query only. For example, when I get the items of my menu in header I know once they ...
- 784
0
votes
0
answers
24
views
NGRX - Are 2 Actions fired (reliant on each other) guaranteed to be handled sequentially?
I have 2 actions, A and B.
A gets fired after B in the immediate next line inside a service.
A has a Reducer to update an object in state.
B has an Effect, which reads from the part of state that A ...
- 2,119
-1
votes
2
answers
404
views
Type 'x[] | null' is not assignable to type 'x[]'
I'm having an issue binding a value in angular.
I have an observable returning an array as so:
entity$ = new Observable<Entity[]>(observer => {
if (this.entities[this.selectedEntityId] !== ...
- 75