Imagine I have a number of entries(say, users) in my database. I also have two routes, one for list, other for detail(where you can edit the entry). Now I'm struggling with how to approach the data structure.   I'm thinking of two approaches...
I'm using @ngrx/store for an Angular 2 app.  My store holds a list of say, Book objects.  I want to update a field in one of those objects.  I also happen to have an Observable of the Book instance I'm looking to update (say, selectedBook)....
Wondering why one would use NGRX or NGXS for an Angular app instead of constructor injected services to handle component IO?  Is it only to ensure that component properties references are never mutated without switching out the entire property value...
I an Angular 2 app using Redux (with @ngrx/store), I have modeled the store this way:  {    modelA: {     ids: [1, 2],     entities: { 1: { name: "name modelA 1" },                 2: { name: "name modelA 2" }               }   },...
I'm using Angular 7 along with NgRx. I have created a selector to get some data from the store using filter, but this selector emits when anything on the store changes, even if it is not related to my selector.   I have created a demonstration of...
I was reading from here about the object spread syntax and I'm trying to use it in my project, my setup is the following:   angular 2 angular/cli 1.0.0-rc.0 ngrx/core 1.2.0 ngrx/store 2.2.1 rxjs 5.1.0 typescript 2.0.10   In my reducer.ts I have...
I have a selector that takes a parameter to filter values.  The parameter depends on an observable's return.  export class LineSynopticComponent implements OnInit, AfterViewInit {  schedules$: Observable<ISchedule[]>;  ngOninit(){   this.se...
I made multiple requests in parallel. then I throw error when timeout.  getAllDirections() { ... return from(urls).pipe( // a list of api urls   mergeMap((urlParam, index) =>     this.http.get<ISchedules>(urlParam[0]).pipe(       map(dataRes...
I use Angular 7.1.4  My Effect:    @Injectable() export class LoginEffects {   constructor(private actions$: Actions, private authService: AuthenticationService) {   }    @Effect({dispatch: true})   loginRequest$: Observable<any> = this.actions...
For my tests I am trying to mock an event stream with Observable.of() but when I try   const actions$ = Observable.of({}); ... // in the function that is tested actions$   .filter(action => action.type === 'LOAD_REQUEST')    .first()   .su...

Tags

Recent Questions

Top Questions

Home Tags Terms of Service Privacy Policy DMCA Contact Us

©2020 All rights reserved.