ukraine-timemap/src/store/index.js

import { createStore, applyMiddleware, compose } from 'redux'
import thunk from 'redux-thunk'

import rootReducer from '../reducers'
const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose

const store = createStore(
  rootReducer,
  composeEnhancers(applyMiddleware(thunk))
)

export default store