Compose stores

stores.js

import {fromJS} from 'immutable'

import userActions from './userActions'
const userInitialState = fromJS({
  logged: false
})
function userStore(state = userInitialState, action, payload) {
  switch (action) {
  case userActions.loggedIn:
    return state.set('logged', true)
  case userActions.loggedOut:
    return state.set('logged', false)
  }
  return state
}

import petActions from './petActions'
const petInitialState = fromJS({
  pets: []
})
function petStore(state = petInitialState, action, payload) {
  switch (action) {
  case.petActions.buyPet:
    return state.update('pets', (pets) => pets.push(payload))
  case petActions.sellAllPets:
    return state.set('pets', List())
  }
  return state
}


// And now simply compose the stores.
// No need for waitFor.
const initialState = fromJS({})
function store(state = initialState, action, payload) {
  return state
    .updateIn('user', (s) => userStore(s, action, payload))
    .updateIn('pet', (s) => petStore(s, action, payload))
}