text: const INITIAL_STATE = { selected: '', visible: {}}
  
  export default (state = INITIAL_STATE, action) => {
      switch (action.type) {
          case 'TAB_SELECTED':
              return { ...state, selected: action.payload }
          case 'TABS_SHOWED':
              return { ...state, visible: action.payload }
          default:
              return state
      }
  }