init commit,

99_references/ionic-react-conference-app/src/data/user/user.reducer.ts

@@ -0,0 +1,19 @@
+import { UserActions } from './user.actions';
+import { UserState } from './user.state';
+
+export function userReducer(state: UserState, action: UserActions): UserState {
+  switch (action.type) {
+    case 'set-user-loading':
+      return { ...state, loading: action.isLoading };
+    case 'set-user-data':
+      return { ...state, ...action.data };
+    case 'set-username':
+      return { ...state, username: action.username };
+    case 'set-has-seen-tutorial':
+      return { ...state, hasSeenTutorial: action.hasSeenTutorial };
+    case 'set-dark-mode':
+      return { ...state, darkMode: action.darkMode };
+    case 'set-is-loggedin':
+      return { ...state, isLoggedin: action.loggedIn };
+  }
+}