import React, { Component } from "react";
import { createRoot } from 'react-dom/client';
import { I18nProvider, FormattedString } from "i18nLib";
// import translation catalog
import resources from './catalog-en.json';
class App extends Component {
return <h2><FormattedString msg="welcome" /></h2>;
const root = createRoot(document.getElementById('root'));
<I18nProvider lng="en" resources={resources}>