redux: auth and map init

src/redux/user/reducer.js

@@ -0,0 +1,25 @@
+import { createReducer } from 'reduxsauce';
+import { ACTIONS, EMPTY_USER } from '$redux/user/constants';
+import { DEFAULT_USER } from '$constants/auth';
+
+const setUser = (state, { user }) => ({
+  ...state,
+  ...user,
+});
+
+const setEditing = (state, { editing }) => ({
+  ...state,
+  editing,
+});
+
+
+const HANDLERS = {
+  [ACTIONS.SET_USER]: setUser,
+  [ACTIONS.SET_EDITING]: setEditing,
+};
+
+export const INITIAL_STATE = {
+  ...DEFAULT_USER
+};
+
+export const userReducer = createReducer(INITIAL_STATE, HANDLERS);