import { createStore } from 'redux'; import rootReducer from '../reducers'; import * as actionCreators from '../actions'; export default function configureStore(preloadedState) { const enhancer = window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__({ actionCreators, serialize: true, trace: true, }); if (!enhancer) { console.warn( 'Install Redux DevTools Extension to inspect the app state: ' + 'https://github.com/zalmoxisus/redux-devtools-extension#installation' ); } const store = createStore(rootReducer, preloadedState, enhancer); if (module.hot) { // Enable Webpack hot module replacement for reducers module.hot.accept('../reducers', () => { store.replaceReducer(require('../reducers').default); }); } return store; }