const a11y = require('react-a11y'); const ReactDOM = require('react-dom'); const React = require('react'); if (process.env.NODE_ENV !== 'production') { a11y(React, { ReactDOM }); } const render = () => { const Root = require('./root'); ReactDOM.render( , document.getElementById('root') ); }; render(); if (module.hot) { module.hot.accept('./root', render); }