- implementing immutable.js

app/reducers/profile.js

@@ -0,0 +1,17 @@
+import { Map } from 'immutable';
+
+import {
+  SET_PROFILE,
+  UPDATE_PROFILE,
+} from '../constants/actionTypes.js';
+
+export const profile = (state = new Map(), action) => {
+  switch (action.type) {
+    case SET_PROFILE:
+      return action.payload;
+    case UPDATE_PROFILE:
+      return action.payload;
+    default:
+      return state;
+  }
+};