How to use the @vue/runtime-dom.reactive function in @vue/runtime-dom

import { h, reactive, createApp } from '@vue/runtime-dom'
import { CompilerOptions } from '@vue/compiler-dom'

export const compilerOptions: CompilerOptions = reactive({
  mode: 'module',
  prefixIdentifiers: false,
  hoistStatic: false
})

const App = {
  setup() {
    return () => [
      h('h1', `Vue 3 Template Explorer`),
      h(
        'a',
        {
          href: `https://github.com/vuejs/vue-next/tree/${__COMMIT__}`,
          target: `_blank`
        },
        `@${__COMMIT__}`