StackPath script to show request headers, including GEO information

index.js

let reqCount = 0;
// sample script
addEventListener("fetch", event => {
  event.respondWith(handleRequest(event.request));
});

async function handleRequest(request) {
  reqCount += 1;
  const headers = new Headers();
  //Set the proper content-type so the browser understands what we're sending back
  headers.set("content-type", ["text/html; charset=UTF-8"]); 

  let fggg = await fetch("https://unwritten.media");

  //Create a response with the robots.txt data we want 
  let body = `<h1>Unwritten Media CDN #${reqCount}</h1><p>We do love our ${request['headers'].get('x-sp-client-geo-city')} customers.<hr/><code>${JSON.stringify(request)}</code><hr/><code>${JSON.stringify(fggg.headers)}</code>`;
  return new Response(body, {
    status: "200",
    headers
  });
}