Extract video data with Node.js

const API = "https://api.tubeextract.dev/v1";
const headers = {
  "X-API-Key": process.env.TUBEEXTRACT_KEY,
  "Content-Type": "application/json"
};
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
 
const schema = [
  { name: "restaurant_name", type: "verbatim-string",
    description: "Name of the restaurant the host visited" },
  { name: "food_ordered", type: "string[]",
    description: "What the host said he ate there" }
];
 
const res = await fetch(API, {
  method: "POST", headers,
  // always a list, even for one video
  body: JSON.stringify({ videos: [url], multiple: true, schema })
});
if (!res.ok) throw new Error((await res.json()).error.message);
const { job_id } = await res.json();
 
for (let attempt = 0; attempt < 60; attempt++) {
  // every poll counts against the per-minute limit (10 on Free),
  // so wait long enough to stay under it
  await sleep(8000);
 
  const poll = await fetch(`${API}/${job_id}`, { headers });
  if (poll.status === 429) {
    await sleep(Number(poll.headers.get("Retry-After") ?? 60) * 1000);
    continue;
  }
  if (!poll.ok) throw new Error((await poll.json()).error.message);
 
  const job = await poll.json();
  // rows stay null until every video has settled, so polling costs nothing
  if (job.status !== "queued" && job.status !== "processing") {
    await save(job.videos); // handed over once: persist before anything else
    break;
  }
}