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 :
apiClient.interceptors.response.use( (res) => res, async (error) => if (error.response?.status === 401) // redirect to login react application architecture for production pdf
path: '/', element: <Layout />, errorElement: <ErrorBoundary />, children: [ src/ ├── features/ # Core business domains │
shared/api/ ├── client.ts # axios instance with baseURL, interceptors ├── endpoints/ │ ├── users.ts │ └── products.ts └── types.ts # Generic API response types // shared/api/client.ts import axios from 'axios'; export const apiClient = axios.create( baseURL: import.meta.env.VITE_API_URL, timeout: 10000, ); State Management Strategy Production apps require a layered
return Promise.reject(error);
// shared/ui/ErrorBoundary.tsx import Component, ReactNode from 'react'; interface Props children: ReactNode; fallback?: ReactNode;