text: function keyMirror (obj) {
    if (obj instanceof Object) {
      const _obj = Object.assign({}, obj)
      const _keyArray = Object.keys(obj)
      _keyArray.forEach(key => {
        _obj[key] = key
      })
      return _obj
    }
  }
  
  export default keyMirror({
    CHANGE_PROFILE: null,
    CHANGE_MODAL_STATUS: null,
    UPDATE_WEBSITE_CONF: null,
  
    NOW: null,
    NOW_ADD_1S: null,
    CHANGE_CONTEST: null,
    CHANGE_CONTEST_PROBLEMS: null,
    CHANGE_CONTEST_ITEM_VISIBLE: null,
    CHANGE_RANK_FORCE_UPDATE: null,
    CHANGE_CONTEST_RANK_LIMIT: null,
    CONTEST_ACCESS: null,
    CLEAR_CONTEST: null,
  
    CHANGE_ASSIGNMENT: null,
    CHANGE_ASSIGNMENTLIST: null,
    CHANGE_ASSIGNMENT_PROBLEMS: null,
  
    CHANGE_GROUP_LIST: null
  })
  