4 #todoapp-angular-ngrx

todo.effect.ts

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

@Effect()
  deleteTodo$: Observable<Action> = this.actions$.
    ofType<TodoActions.DeleteTodo>(TodoActions.DELETE_TODO)
    .mergeMap(action =>
      this.http.delete(environment.client.base_url + '/api/todos/' + action.payload._id)
        .map((data: Response) => {

          return new TodoActions.DeleteTodoSuccess({
            ...action.payload, loading: false
          });
        })
        .catch(() => of(new TodoActions.DeleteTodoError(action.payload)))
    );