React Application Architecture For Production Pdf -

src/ ├── features/ # Core business domains │ ├── auth/ # Login, logout, registration │ │ ├── components/ # Feature-specific UI │ │ ├── hooks/ # useAuth, useLogin │ │ ├── services/ # API calls for auth │ │ ├── types/ # TS interfaces │ │ └── index.ts # Public API of feature │ ├── dashboard/ │ └── products/ ├── shared/ # Reusable across features │ ├── ui/ # Buttons, modals, cards (pure components) │ ├── lib/ # Utilities, date formatters, validators │ ├── hooks/ # useLocalStorage, useDebounce │ └── api/ # Axios/fetch instance, interceptors ├── app/ # App-wide setup │ ├── store/ # Redux/Zustand store config │ ├── router/ # Route definitions │ ├── providers/ # Context providers wrapper │ └── styles/ # Global CSS, themes ├── main.tsx # Entry point └── vite.config.ts # Build tool config When you need to change "product logic," you open one folder. No jumping across 20 directories. 4. State Management Strategy Production apps require a layered state strategy :

// shared/ui/Button/Button.module.css .button background: var(--color-primary); padding: var(--spacing-md); border-radius: var(--border-radius); react application architecture for production pdf

apiClient.interceptors.request.use((config) => const token = localStorage.getItem('accessToken'); if (token) config.headers.Authorization = Bearer $token ; return config; ); src/ ├── features/ # Core business domains │

); // features/products/hooks/useProducts.ts import useQuery from '@tanstack/react-query'; import apiClient from '@/shared/api/client'; export const useProducts = () => return useQuery( queryKey: ['products'], queryFn: () => apiClient.get('/products').then(res => res.data), staleTime: 5 * 60 * 1000, // 5 minutes ); ; 6. Routing and Code Splitting Use lazy loading at the route level to split your bundle: State Management Strategy Production apps require a layered

return Promise.reject(error);

apiClient.interceptors.response.use( (res) => res, async (error) => if (error.response?.status === 401) // redirect to login