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ng store no guarda el estado cuando se llama

Me las arreglé para obtener datos del servidor

pero no es posible guardar los datos en la tienda

cuando se llama, se devuelve el valor predeterminado

y en redux Devtols no hay valores que se puedan mostrar

¿Qué estoy haciendo mal? no entiendo por 2 dias

documento html - vacío

aplicación.componente.ts:

 @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.scss'] }) export class AppComponent { book$: Observable<{data: Book} | {}> = this.store$.select(selectData); constructor(private store$: Store<{book: {data: Book}}>) {} ngOnInit() { this.store$.dispatch(GET_DATA()); } getBook() { this.book$.subscribe(book => console.log(book)); } }

tienda.servicio.ts:

 @Injectable({ providedIn: 'root' }) export class StoreService { constructor(private http:HttpClient) { this.DataLoad(); } DataLoad():Observable<Book> { return (this.http.get('https://gutendex.com/books') as Observable<Book>); } }

globalStore.acción.ts:

 import {createAction} from '@ngrx/store'; import { Book } from 'src/app/interface/interface'; export const DATA_KEY = 'book'; export const initialState: {data: Book} = { data: { count: 0, next: '', previous: null, results: [] } }; export const DATA_LOAD = createAction('[DATA] DATA_LOAD', (book:Book) => { return {data: book} }); export const GET_DATA = createAction('[DATA] GET_DATA');

globalStore.reductor.ts:

 import {ActionReducerMap, createReducer, on} from '@ngrx/store'; import { Book } from 'src/app/interface/interface'; import { DATA_KEY, DATA_LOAD, GET_DATA, initialState } from './globalStore.action'; export const BookReducer = createReducer( initialState, on(DATA_LOAD, (state, data:any) => { return {data: data.data} }), on(GET_DATA, (state: {data: Book}) => { return {data: state.data} }) ); export interface State { [DATA_KEY]: any; } export const reducers: ActionReducerMap<State> = { [DATA_KEY]: BookReducer, };

globalStore.selector.ts:

 import { createFeatureSelector, createSelector } from "@ngrx/store"; import { Book } from "src/app/interface/interface"; import { DATA_KEY } from "./globalStore.action"; export const selectDataFeature = createFeatureSelector<{data: Book}>(DATA_KEY); export const selectData = createSelector(selectDataFeature, (state: {data: Book}) => state);
about 4 years ago · Juan Pablo Isaza
1 answers
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0

Suscríbase a la solicitud http para activarla, como a continuación

 this.DataLoad().subscribe(book => { this.store$.dispatch(DataLoad(book)); });

Es mejor agregar la obtención de datos dentro de una clase de efecto , pero no en el constructor de StoreService. Como abajo:

 createEffect(() => this.actions$.pipe( ofType('[DATA] GET_DATA'), mergeMap(() => this.storeService.DataLoad() .pipe( map(books => DATA_LOAD(books)), catchError(() => EMPTY) )) ) );
about 4 years ago · Juan Pablo Isaza Report
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