typescript 7＃todoapp-angular-ngrx

Posted 2021-05-21

// ........................

export function TodoReducer(state = defaultState, action: Action) {

    switch (action.type) {
    
      
      //...............
      
      case TodoActions.UPDATE_TODO: {

            return {
                ...state,
                todos: state.todos.map(t => {
                    if (t._id == action.payload._id) {
                        t.loading = true;
                    }

                    return t
                })
            };
        }
        
        case TodoActions.UPDATE_TODO_SUCCESS: {

            return modifyTodoState(state, action.payload, {})
        }



        case TodoActions.UPDATE_TODO_ERROR: {


            return {
                ...state,
                todos: state.todos.map(t => {
                    if (t._id == action.payload._id) {
                        t.error = true;
                    }

                    return t
                })
            };

        }
    
      //...............
    }
    
}