import { createServer } from 'node:http'
import { buildToNodeHandler } from '@edge-runtime/node-utils'

// build a transformer, using Node.js@18 globals, and a base url for URL constructor.
const transformToNode = buildToNodeHandler(global, { origin: 'http://example.com' })

const server = await createServer(transformToNode((req) => new Response(req.body)))
await server.listen()
const response = await fetch(`http://localhost:${server.address().port}`, {
  method: 'POST',
  body: 'hello world',
})
console.log(await response.text()) // is 'hello world'