angular5-course/src/app/ngrx/app.reducers.ts

import { ActionReducerMap } from '@ngrx/store/src/models';

import * as fromShoppingList from '../shopping-list/ngrx/shopping-list.reducers'
import * as fromAuth from '../auth/ngrx/auth.reducers'

export interface AppState {
    shoppingList: fromShoppingList.State,
    auth: fromAuth.State
}

export const appReducers: ActionReducerMap<AppState> = {
    shoppingList: fromShoppingList.shoppingListReducer,
    auth: fromAuth.authReducers
};