nitro-react/src/index.tsx

import { library } from '@fortawesome/fontawesome-svg-core';
import { fas } from '@fortawesome/free-solid-svg-icons';
import React from 'react';
import ReactDOM from 'react-dom';
import { App } from './App';
import './index.scss';

//@ts-ignore
library.add(fas);

ReactDOM.render(<App />, document.getElementById('root'));