store.js

import { 
  createStore, 
  applyMiddleware, 
  compose
} from 'redux';

// root reducer
import rootReducer from './rootReducer';

// redux devtools
const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose;


// create the store

const configureStore = () => {
  const store = {
    ...createStore(rootReducer, composeEnhancers(
      applyMiddleware()))
  };
    
  return store;
};


export default configureStore;