redux dev tools with middleware

yuh.js

import { createStore, applyMiddleware } from 'redux';
import reduxThunk from 'redux-thunk';
import reducers from './reducers';

const store = createStore(reducers,
                          window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__(),
                          applyMiddleware(reduxThunk));