movie.reducer.ts

import { Injectable } from '@angular/core';
import { ADD_MOVIE } from './movie.actions';
import { MovieStore } from './movie.store';
@Injectable()
export class MovieReducers {

  constructor(private _movieStore: MovieStore) {

  }

  movieReducer(action: any) {

    switch (action.type) {
      case ADD_MOVIE:
        const newState = [...this._movieStore.movieStates, action.payload];
        this._movieStore.movieStore$.next(newState);
      // default:
      // return this._movieStore.movieStates;
    }
  }
}