// Cloudflare Worker for advanced cache rules and WAF (ADR-001)
addEventListener("fetch", (event) => {
  event.respondWith(handleRequest(event.request));
});

async function handleRequest(request) {
  const url = new URL(request.url);

  // Add immutable cache headers for .ts segments
  if (url.pathname.endsWith(".ts")) {
    const response = await fetch(request);
    const headers = new Headers(response.headers);
    headers.set("Cache-Control", "public, max-age=31536000, immutable");
    return new Response(response.body, {
      status: response.status,
      headers,
    });
  }

  return fetch(request);
}