main.ts

import { serve } from "./deps.ts"

serve(async (req: Request) => {

  let url = new URL(req.url);
  if (url.pathname == '/' || url.pathname == '') {
    return new Response("Not Found", { status: 404 })
  }

  if (url.pathname == '/ping') {
    return new Response("pong", { status: 200 })
  }

  let res = await fetch(new Request(url.pathname.substring(1) + url.search,req))

  let headers = {}
  res.headers.forEach((value, key) => {
    headers[key] = value
  })
  if ('*' !== headers['Access-Control-Allow-Origin']?.trim()
    && '*' !== headers['access-control-allow-origin']?.trim()) {
    headers['Access-Control-Allow-Origin'] = '*'
  }
  return new Response(res.body, { headers, status: res.status })
}, { port: 7860 })