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# Project Structure

```bash
├── src
│   ├── assets
│   │   ├── images
│   │   ├── css
│   │   ├── js
│   │   └── media
│   ├── config
│   │   ├── index.js
│   │   └── default.js
│   ├── components
│   │   ├── Button
│   │   ├── Input
│   │   ├── Text
│   │   ├── Link
│   │   └── ...
│   ├── containers
│   │   ├── ThemeProvider
│   │   ├── LocaleProvider
│   │   ├── Layout
│   │   ├── SignInForm
│   │   └── ...
│   ├── pages
│   │   ├── SignIn
│   │   ├── SignUp
│   │   ├── Home
│   │   ├── OrderDetails
│   │   └── ...
│   ├── hooks
│   │   ├── useToggle.js
│   │   ├── useEventListener.js
│   │   ├── useResponsive.js
│   │   ├── useLocale.js
│   │   └── ...
│   ├── services
│   │   ├── user.js
│   │   ├── order.js
│   │   └── ...
│   ├── store
│   │   ├── index.js (exports `configureStore`)
│   │   ├── redux
│   │   │   ├── index.js (exports `rootReducer` here)
│   │   │   └── *.js (namespaced reducer such as `app`, `user`, ...)
│   │   └── sagas
│   │       ├── index.js (exports `rootSaga` here)
│   │       └── *.js (namespace-related saga such as `app`, `user`, ...)
│   ├── utils
│   │   ├── helpers.js
│   │   ├── constants.js
│   │   ├── request.js (prepare a http client)
│   │   ├── firebase.js
│   │   └── ...
│   ├── routes.js
│   ├── app.js
```

## /src/config

```javascript
/index.js

const config = {
  env: process.env.NODE_ENV || 'development',
  get isProd() {
    return this.env === 'production'
  },
  isBrowser: typeof window === 'object',
  api: {
    backend: {
      host: process.env.HOST,
      port: process.env.PORT,
      get url() {
        return `${this.host}:${this.port}`
      },
    },
    cms: {
      host: process.env.CMS_HOST,
      port: process.env.CMS_PORT,
      get url() {
        return `${this.host}:${this.port}`
      },
    },
  },
}
```

{% hint style="info" %}
prepare default config values in `default.js` in case of  `development` environment
{% endhint %}

## /src/store/index.js

```javascript
import { createStore, applyMiddleware, compose } from 'redux'
import createSagaMiddleware from 'redux-saga'
import { routerMiddleware } from 'connected-react-router'

import config from '../config'
import history from '../utils/history'
import createRootReducer from './redux'
import rootSaga from './sagas'

const initStore = (initialState = {}) => {
  let composeEnhancers = compose
  if (!config.isProd) {
    composeEnhancers = require('redux-devtools-extension').composeWithDevTools
  }

  const sagaMiddleware = createSagaMiddleware()

  const middlewares = [
    routerMiddleware(history),
    sagaMiddleware,
  ]

  const enhancers = [applyMiddleware(...middlewares)]

  const store = createStore(
    createRootReducer(history),
    initialState,
    composeEnhancers(...enhancers),
  )

  store.sagaTask = sagaMiddleware.run(rootSaga)

  return store
}

export default initStore

```

## /src/store/sagas/index.js

```javascript
import { all } from 'redux-saga/effects'

import appSagas from './app'
import userSagas from './user'
import orderSagas from './order'

export default function* root() {
  yield all([
    ...appSagas,
    ...userSagas,
    ...orderSagas,
  ])
}

```


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