provider-store-prop.jsx

import React from 'react';
import ReactDOM from 'react-dom';
import store from './reduxStore';
import { Provider } from 'react-redux';
import NewComment from './components/NewComment';

function CommentsApp(props) {
  return <NewComment />
}

ReactDOM.render((
  <Provider store={store}>
    <CommentsApp />
  </Provider>
), document.getElementById('root'))