init commit,

03_source/mobile_notworking.del/src/util/IsLoggedIn.tsx

@@ -0,0 +1,6 @@
+// if not logged in, checked by profile is null or undefined
+
+export default function IsLoggedIn(profile) {
+  if (!profile) return false;
+  return true;
+}

03_source/mobile_notworking.del/src/util/types.ts

@@ -0,0 +1,11 @@
+export interface DispatchObject {
+  [key: string]: any;
+  type: string;
+}
+
+type PromiseResolveValue<T> = T extends Promise<infer R> ? R : T;
+type EffectType<T extends (...args: any) => any> = ReturnType<ReturnType<T>>;
+type EffectReturnValue<T extends (...args: any) => any> = PromiseResolveValue<EffectType<T>>;
+export type ActionType<T extends (...args: any) => any> = ReturnType<T> extends DispatchObject
+  ? ReturnType<T>
+  : EffectReturnValue<T>;