text: import React from 'react'
  import { initializeStore } from './store'
  
  const isServer = typeof window === 'undefined'
  const __NEXT_REDUX_STORE__ = '__NEXT_REDUX_STORE__'
  
  function getOrCreateStore (initialState) {
    // Always make a new store if server, otherwise state is shared between requests
    if (isServer) {
      return initializeStore(initialState)
    }
  
    // Create store if unavailable on the client and set it on the window object
    if (!window[__NEXT_REDUX_STORE__]) {
      window[__NEXT_REDUX_STORE__] = initializeStore(initialState)
    }
    return window[__NEXT_REDUX_STORE__]
  }
  
  export default App => {
    return class AppWithRedux extends React.Component {
      static async getInitialProps (appContext) {
        // Get or Create the store with `undefined` as initialState
        // This allows you to set a custom default initialState
        const reduxStore = getOrCreateStore()
  
        // Provide the store to getInitialProps of pages
        appContext.ctx.reduxStore = reduxStore
  
        let appProps = {}
        if (typeof App.getInitialProps === 'function') {
          appProps = await App.getInitialProps(appContext)
        }
  
        return {
          ...appProps,
          initialReduxState: reduxStore.getState()
        }
      }
  
      constructor (props) {
        super(props)
        this.reduxStore = getOrCreateStore(props.initialReduxState)
      }
  
      render () {
        return <App {...this.props} reduxStore={this.reduxStore} />
      }
    }
  }
  