import { createReducer, on } from '@ngrx/store';
import { increment, decrement, reset } from '../actions/vorgang';
-export const initialState = 0;
+export interface State {
+ counter: number;
+}
+
+export const initialState: State = { counter: 0 };
const REDUCER = createReducer(initialState,
- on(increment, state => state + 1),
- on(decrement, state => state - 1),
- on(reset, state => 0),
+ on(increment, state => {
+ return { counter: state.counter + 1 };
+ }),
+ on(decrement, state => {
+ return { counter: state.counter - 1 };
+ }),
+ on(reset, state => {
+ return { counter: 0 };
+ }),
);
export function reducer(state, action) {