use user as List

Author: woi

App/Stores/Example/InitialState.js

@@ -1,10 +1,10 @@
-import { Map } from 'immutable'
+import { Map, List } from 'immutable'
 
 /**
  * The initial values for the redux state.
  */
 export const INITIAL_STATE = Map({
-  user: null,
+  user: List(),
   userIsLoading: false,
   userErrorMessage: null,
 })

App/Stores/Example/Reducers.js

@@ -7,6 +7,7 @@
 import { INITIAL_STATE } from './InitialState'
 import { createReducer } from 'reduxsauce'
 import { ExampleTypes } from './Actions'
+import { List } from 'immutable'
 
 export const fetchUserLoading = (state) =>
   state.merge({
@@ -23,7 +24,7 @@ export const fetchUserSuccess = (state, { user }) =>
 
 export const fetchUserFailure = (state, { errorMessage }) =>
   state.merge({
-    user: null,
+    user: List(),
     userIsLoading: false,
     userErrorMessage: errorMessage,
   })

App/Stores/Example/Selectors.js

@@ -7,7 +7,7 @@
  */
 
 export const liveInEurope = (state) => {
-  if (!state.example.get('user')) return null
+  if (state.example.get('user').isEmpty()) return null
 
   // For this example, we imagine this cities are european cities
   let europeanCities = ['Gwenborough', 'Wisokyburgh', 'McKenziehaven', 'South Elvis', 'Roscoeview']