text: import { applyMiddleware, createStore, compose } from 'redux'
  import thunk from 'redux-thunk'
  
  import reducers from './reducers'
  
  const composeEnhancers=typeof window === 'object' && typeof window.devToolsExtension !== 'undefined' ? window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ : compose
  const middleware=applyMiddleware(thunk)
  
  export default function configureStore() {
    return createStore(reducers, composeEnhancers(middleware))
  }
  