gistfile1.js

var Alt = require('alt')

var alt = new Alt()

function UserActions() {
  this.generateActions('getUser', 'addUser')
}

var ua = alt.createActions(UserActions)

function UserStore() {
  this.bindActions(ua)
  this.currentUser = BlankLoadingUserTemplate()
}
UserStore.prototype.onGetUser = function (id) {
  if (this.users[id]) {
    this.currentUser = this.users[id]
  } else {
    UserUtils.findUser(id)
    return false
  }
}
UserStore.prototype.onAddUser = function (userObj) {
  this.users[userObj.id] = userObj
  this.currentUser = userObj
}

var us = alt.createStore(UserStore)

var UserUtils = {
  findUser: function (id) {
    fetch('/users', { id: id }, function (res) {
      ua.addUser(res.body)
    })
  }
}

// view
ua.getUser()

us.listen(function () {
  console.log(us.getState().currentUser)
})