text: const SWITCH_USER = 'SWITCH_USER';
  
  const UPDATE_PROFILE = 'UPDATE_PROFILE';
  const DELETE_PROFILE = 'DELETE_PROFILE';
  
  // when user sign in / out
  function switchUser(user) {
    return {
      type: SWITCH_USER,
      user
    }
  }
  
  // when user updates profile
  function updateProfile(profile) {
    return {
      type: UPDATE_PROFILE,
      profile
    }
  }
  
  // when user sign out
  function deleteProfile() {
    return { type: DELETE_PROFILE }
  }
  
  export { SWITCH_USER, UPDATE_PROFILE, DELETE_PROFILE }
  export { switchUser, updateProfile, deleteProfile }
  