text: import 'react-app-polyfill/ie11';
  import React from 'react';
  import ReactDOM from 'react-dom';
  import { Provider } from 'react-redux';
  import { store } from './_helper';
  import './index.css';
  import App from './App';
  import * as serviceWorker from './serviceWorker';
  
  window.renderComponent = (containerId, history) => {
    ReactDOM.render(
      <Provider store={store}>
        <App history={history} />,
      </Provider>,
      document.getElementById(containerId),
    );
  
    serviceWorker.unregister();
  };
  
  window.unmountComponent = (containerId) => {
    ReactDOM.unmountComponentAtNode(document.getElementById(containerId));
  };
  