Trace current user's location with javascript fetch, using cloudflare.com/cdn-cgi/trace.

cloudflareTrace.js

const cloudflareTrace = async () => {
  try {
    const response = await fetch('https://www.cloudflare.com/cdn-cgi/trace')
    const rawData = await response.text();
    const jsonData = Object.fromEntries(
      rawData.trim()
      .split('\n')
      .map(line => line.split('='))
    );
    return jsonData;
  } catch (error) {
    console.error(`cloudflareTrace: ${error}`);
  }
}