fetchRetry.ts

function waitFor(ms: number): Promise<void> {
  return new Promise(resolve => setTimeout(resolve, ms));
}

export default async function fetchRetry(promise: Promise<unknown>, n: number, waitNseconds = 1000): Promise<unknown> {
  try {
    return await promise;
  } catch (error) {
    if (n === 1) throw error;

    await waitFor(waitNseconds);
    return fetchRetry(promise, n - 1);
  }
}