Function fetch

example/standalone-server.ts:33–63

(req)

const server = Bun.serve({
  port: PORT,
  async fetch(req) {
    const url = new URL(req.url);

    // CORS preflight
    if (req.method === "OPTIONS") {
      return new Response(null, { status: 204, headers: corsHeaders });
    }

    // Health check
    if (url.pathname === "/health" && req.method === "GET") {
      return Response.json({ status: "ok" }, { headers: corsHeaders });
    }

    // Debug endpoint
    if (url.pathname === "/debug" && req.method === "POST") {
      const body = await req.json().catch(() => null);
      if (!body || !body.label) {
        return new Response("Missing required field: label", {
          status: 400,
          headers: corsHeaders,
        });
      }
      
      await appendToLog(body.label, body.data);
      console.log(`[LOG] ${body.label}`, body.data ? JSON.stringify(body.data) : "");
      
      return Response.json({ received: true }, { headers: corsHeaders });
    }

    return new Response("Not found", { status: 404, headers: corsHeaders });
  },
});

console.log(`Debug server running at http://localhost:${PORT}`);