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index.js
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35 lines (31 loc) · 961 Bytes
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import React from 'react';
import ReactDOM from 'react-dom/client';
import './index.css';
import 'katex/dist/katex.min.css';
import App from './App';
import reportWebVitals from './reportWebVitals';
// Polyfill Object.hasOwn for older environments (like react-snap's puppeteer)
if (!Object.hasOwn) {
Object.hasOwn = (obj, prop) =>
Object.prototype.hasOwnProperty.call(obj, prop);
}
const rootElement = document.getElementById('root');
if (rootElement.hasChildNodes()) {
ReactDOM.hydrateRoot(
rootElement,
<React.StrictMode>
<App />
</React.StrictMode>,
);
} else {
const root = ReactDOM.createRoot(rootElement);
root.render(
<React.StrictMode>
<App />
</React.StrictMode>,
);
}
// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();