Analyzing a React Native Expo File Tree Using ChatGPT and Deepseek

📱 SHELFIE_APP (ChatGPT)
The main project folder for your React Native + Expo Router app.

└── .expo/                                ← Expo configuration, build cache, environment files  
└── app/                                  ← Expo Router reads this for navigation routes
    ├── (auth)/                           ← Route group for authentication (not visible in URL)
    │   ├── _layout.jsx                   ← Stack layout for auth screens
    │   ├── login.jsx                     ← /login
    │   └── register.jsx                  ← /register
    │
    └── (dashboard)/                      ← Route group for logged-in users
        ├── _layout.jsx                   ← Tabs/Drawer/Stack for dashboard navigation
        ├── index.jsx                     ← /dashboard (default landing page)
        ├── books.jsx                     ← /dashboard/books
        ├── create.jsx                    ← /dashboard/create
        └── profile.jsx                   ← /dashboard/profile

Other project folders:
- assets/                                ← Images, fonts, icons
- components/                            ← Reusable UI components (buttons, headers, etc.)
- constants/                             ← Centralized constants (colors, API URLs)
- contexts/                              ← React Context providers for state management
    • BooksContext.jsx                   ← Stores book-related state (list, CRUD actions)
    • UserContext.jsx                    ← Stores user session/authentication state
- hooks/                                 ← Custom React hooks (e.g., useAuth, useBooks)


────────────────────────────────────────────
🔹 Navigation Flow
────────────────────────────────────────────
1. When the app starts → it checks UserContext (logged in or not).  
   - If **not logged in** → `(auth)/_layout.jsx` handles navigation between `login` and `register`.  
   - If **logged in** → `(dashboard)/_layout.jsx` loads, showing the main app screens.

2. Inside **Dashboard**:  
   - Default route → `index.jsx`.  
   - User can switch to `books`, `create`, or `profile`.

────────────────────────────────────────────
🔹 Effective Structure
────────────────────────────────────────────
- **Auth stack** → Login / Register  
- **Dashboard stack/tabs** → Home (index), Books, Create, Profile  

────────────────────────────────────────────
📚 References
────────────────────────────────────────────
- Expo Router Docs: https://docs.expo.dev/router/introduction/  
- React Context: https://react.dev/reference/react/useContext  

SHELFIE_APP/ (DeepSeek)

expo/ ← Expo-specific configuration

app/ ← Main application directory (Expo Router)

(auth)/ ← Authentication group route

layout.jsx ← Shared layout for auth pages

login.jsx ← Login page component

register.jsx ← Registration page component

(dashboard)/ ← Protected dashboard routes

layout.jsx ← Dashboard layout component

books.jsx ← Books listing page

create.jsx ← Create new book page

profile.jsx ← User profile page

layout.jsx ← Root layout for the entire app

index.jsx ← Home page component

assets/ ← Static assets (images, fonts, icons)

components/ ← Reusable React components

constants/ ← App constants and configuration

contexts/ ← React Context providers

BooksContext.jsx ← Manages books state across app

UserContext.jsx ← Manages user authentication state

hooks/ ← Custom React hooks for reusable logic

Key Features:

• Authentication Flow with separate auth and protected routes
• State Management using React Context API
• Modular Components for reusable UI elements
• File-based Routing with Expo Router
• Scalable Architecture with organized separation of concerns

This structure follows Expo's recommended practices for a medium-sized React Native app with authentication and data management.