Idempotency key regenerates per retry
Review this JavaScript client that sends an idempotency key with each retry of a refund request.
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1async function refund(orderId, amount) {
2 for (let i = 0; i < 3; i++) {
3 const key = crypto.randomUUID();
4 const res = await fetch("/refunds", {
5 method: "POST",
6 headers: { "Idempotency-Key": key },
7 body: JSON.stringify({ orderId, amount }),
8 });
9 if (res.ok) return res.json();
10 }
11 throw new Error("refund failed");
12}
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