A helper function to read a visitor's IP address from x-forwarded-for headers and lookup geolocation data from ip-api.

Create val
import { fetchGeolocation } from "https://esm.town/v/mattrossman/geolocation/main.ts";

export default async function (req: Request) {
  const geolocation = await fetchGeolocation(req);
  return new Response(`You're visiting from ${geolocation.city}`);
}