text: import { applyMiddleware, compose, createStore } from 'redux'
  import { browserHistory } from 'react-router'
  import { updateLocation } from './location'
  import makeRootReducer from './reducers'
  import thunk from 'redux-thunk'
  import config from 'c0nfig'
  
  export default (initialState = {}) => {
  
    // ======================================================
    // Middleware Configuration
    // ======================================================
    const middleware = [thunk]
  
    // ======================================================
    // Store Enhancers
    // ======================================================
    const enhancers = []
    if (config.env === 'development') {
      const devToolsExtension = window.devToolsExtension
      if (typeof devToolsExtension === 'function') {
        enhancers.push(devToolsExtension())
      }
    }
  
    // ======================================================
    // Store Instantiation and HMR Setup
    // ======================================================
    const store = createStore(
      makeRootReducer(),
      initialState,
      compose(
        applyMiddleware(...middleware),
        ...enhancers
      )
    )
    store.asyncReducers = {}
  
    // To unsubscribe, invoke `store.unsubscribeHistory()` anytime
    store.unsubscribeHistory = browserHistory.listen(
      updateLocation(store))
  
    if (module.hot) {
  
      module.hot.accept('./reducers', () => {
        const reducers = require('./reducers').default
        store.replaceReducer(reducers(store.asyncReducers))
      })
    }
  
    return store
  }
  