text: import { HIDE_MOBILE_MENU, SHOW_MOBILE_MENU, TOGGLE_MOBILE_MENU } from 'constants/actions'
  
  export default function(state = null, action) {
    switch (action.type) {
      case HIDE_MOBILE_MENU:
        return false
      case SHOW_MOBILE_MENU:
        return true
      case TOGGLE_MOBILE_MENU:
        return !state
      default:
        return state
    }
  }
  