Function readWithPacing

scripts/github-actions/post-review-comments.js:1209–1223

(tag, fn, log)

// secondary limit when issued in a tight loop. Use shorter delays than writes
// (READ_SUCCESS_DELAY / READ_LOW_REMAINING_SPACING).
async function readWithPacing(tag, fn, log) {
  const res = await withRetry(tag, fn, log);
  const remaining = logRateLimitQuota(res, tag, log);
  const LOW_REMAINING_THRESHOLD = parseNonNegInt(process.env.OCR_LOW_REMAINING_THRESHOLD, 3);
  const lowQuota = remaining != null && remaining <= LOW_REMAINING_THRESHOLD;
  if (lowQuota) {
    const READ_LOW_REMAINING_SPACING = parseNonNegInt(process.env.OCR_READ_LOW_REMAINING_SPACING, 5000);
    log(`[rate-limit] quota low after read (${remaining} <= ${LOW_REMAINING_THRESHOLD}); spacing ${READ_LOW_REMAINING_SPACING}ms.`);
    await sleep(READ_LOW_REMAINING_SPACING);
  } else {
    const READ_SUCCESS_DELAY = parseNonNegInt(process.env.OCR_READ_SUCCESS_DELAY, 500);
    await sleep(READ_SUCCESS_DELAY);
  }
  return res;
}

// Paginated helper that walks all pages of a list endpoint with retry and
// pacing. Returns the concatenated array of items.