Function serializeUUID

lib/internal/crypto/random.js:363–386

(buf, version, variant, offset = 0)

}

function serializeUUID(buf, version, variant, offset = 0) {
  const kHexBytes = getHexBytes();
  // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
  return kHexBytes[buf[offset]] +
    kHexBytes[buf[offset + 1]] +
    kHexBytes[buf[offset + 2]] +
    kHexBytes[buf[offset + 3]] +
    '-' +
    kHexBytes[buf[offset + 4]] +
    kHexBytes[buf[offset + 5]] +
    '-' +
    kHexBytes[(buf[offset + 6] & 0x0f) | version] +
    kHexBytes[buf[offset + 7]] +
    '-' +
    kHexBytes[(buf[offset + 8] & 0x3f) | variant] +
    kHexBytes[buf[offset + 9]] +
    '-' +
    kHexBytes[buf[offset + 10]] +
    kHexBytes[buf[offset + 11]] +
    kHexBytes[buf[offset + 12]] +
    kHexBytes[buf[offset + 13]] +
    kHexBytes[buf[offset + 14]] +
    kHexBytes[buf[offset + 15]];
}

function getBufferedUUID() {
  uuidData ??= secureBuffer(16 * kBatchSize);