text: import { createStore, applyMiddleware, compose } from 'redux';
  import thunkMiddleware from 'redux-thunk';
  import reducer from '../reducers/combinedReducer';
  
  export default function configureStore(initialState) {
    const store = createStore(reducer, initialState, compose(
      applyMiddleware(thunkMiddleware),
      window.devToolsExtension ? window.devToolsExtension() : f => f
    ));
  
    if (process.env.NODE_ENV !== 'production' && module.hot) {
      // Enable Webpack hot module replacement for reducers
      module.hot.accept('../reducers/combinedReducer', () => {
        const nextReducer = require('../reducers/combinedReducer') // eslint-disable-line
        store.replaceReducer(nextReducer);
      });
    }
  
    return store;
  }
  