import { use } from 'react' let i async function getData() { await new Promise((resolve) => setTimeout(resolve, 5000)) return { message: 'hello from slow page', } } export default function NestedPage(props) { // TODO-APP: refactor this test page to `async function` instead. if (!i) { i = getData() } const data = use(i) return ( <>

{data.message}

) }