remix-project/apps/remix-ide/src/index.tsx

// eslint-disable-next-line no-use-before-define
import React from 'react'
import './index.css'
import { ThemeModule } from './app/tabs/theme-module'
import { Preload } from './app/components/preload'
import Config from './config'
import { Registry } from '@remix-project/remix-lib'
import { Storage } from '@remix-project/remix-lib'

import { createRoot } from 'react-dom/client'

;(async function () {
  try {
    const configStorage = new Storage('config-v0.8:')
    const config = new Config(configStorage)
    Registry.getInstance().put({ api: config, name: 'config' })
  } catch (e) {}
  const theme = new ThemeModule()
  theme.initTheme()

  const container = document.getElementById('root');
  const root = createRoot(container)
  if (container) {
    root.render(<Preload root={root} />);
  }
})()