import React from 'react'; import ReactDOM from 'react-dom/client'; import App from './App'; const rootElement = document.getElementById('root'); if (!rootElement) { throw new Error("Could not find root element to mount to"); } // Use hydrateRoot when react-snap has pre-rendered HTML, createRoot for normal dev/fallback if (rootElement.hasChildNodes()) { ReactDOM.hydrateRoot( rootElement, ); } else { ReactDOM.createRoot(rootElement).render( ); }