Hooque vs API polling

// Minimal Node 18+ consumer loop for Hooque
// Pull next message, parse X-Hooque-Meta, then POST ackUrl/nackUrl/rejectUrl.
const QUEUE_NEXT_URL =
  process.env.HOOQUE_QUEUE_NEXT_URL ??
  'https://app.hooque.io/queues/<consumerId>/next';
const TOKEN = process.env.HOOQUE_TOKEN ?? 'hq_tok_replace_me';
const headers = { Authorization: `Bearer ${TOKEN}` };

while (true) {
  const resp = await fetch(QUEUE_NEXT_URL, { headers });
  if (resp.status === 204) break; // queue is empty
  if (!resp.ok) throw new Error(`next() failed: ${resp.status}`);

  const payload = await resp.json();
  const meta = JSON.parse(resp.headers.get('X-Hooque-Meta') ?? '{}');

  try {
    await handle(payload); // your business logic
    await fetch(meta.ackUrl, { method: 'POST', headers });
  } catch (err) {
    const permanent = false; // classify error type in your app
    const url = permanent ? meta.rejectUrl : meta.nackUrl;
    await fetch(url, {
      method: 'POST',
      headers: { ...headers, 'Content-Type': 'application/json' },
      body: JSON.stringify({ reason: String(err) }),
    });
  }
}