1createReducer(initialState, {
2 // object mapping action types to 'case' reducers
3})
1const counterReducer = createReducer(0, {
2 increment: (state, action) => state + action.payload,
3 decrement: (state, action) => state - action.payload
4})
1// Actions creators generated by createAction
2const increment = createAction('increment')
3const decrement = createAction('decrement')
4
5const counterReducer = createReducer(0, {
6 [increment]: (state, action) => state + action.payload, // reference generated action creator as a computed property
7 [decrement.type]: (state, action) => state - action.payload // Typescript may want [action.type] to force compiler to compute property
8})
[increment] = computed property syntax (allows you to put an expression in brackets [])[increment] and [increment.type] will work.