text: import { combineReducers } from 'redux';
  import * as todos from './todos';
  import * as visibilityFilter from './visibilityFilter';
  
  /**
   * Combined initial state
   */
  export const initialState = {
    todos: todos.initialState,
    visibilityFilter: visibilityFilter.initialState
  };
  
  /**
   * Combined reducers
   */
  export default combineReducers({
    todos: todos.todos,
    visibilityFilter: visibilityFilter.visibilityFilter
  });
  