Function ceiling

docs/external/js/react-dom.development.js:11285–11287

(num, precision)

  }

  function ceiling(num, precision) {
    return ((num / precision | 0) + 1) * precision;
  }

  function computeExpirationBucket(currentTime, expirationInMs, bucketSizeMs) {
    return MAGIC_NUMBER_OFFSET - ceiling(MAGIC_NUMBER_OFFSET - currentTime + expirationInMs / UNIT_SIZE, bucketSizeMs / UNIT_SIZE);