react-ipgeolocation/cloudflare/script.js

react hook to lookup the country based on the visitor's IP address

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request))
})

/**
 * Respond to the request
 * @param {Request} request
 */
async function handleRequest(request) {
  const init = {
    headers: {
      'Access-Control-Allow-Origin': '*',
      'content-type': 'application/json;charset=UTF-8',
    }
  };
  return new Response(JSON.stringify({country:request.headers.get('cf-ipcountry')}), init)
}