Function _readLockPayload

index.js:608–620

(lockFile)

}

function _readLockPayload(lockFile) {
  try {
    const raw = fs.readFileSync(lockFile, 'utf8').trim();
    if (!raw) return null;
    // Backward-compat: older lock files contained only the pid as text.
    // Newer payloads are JSON {pid, uid, startedAt}.
    if (raw[0] === '{') {
      try { return JSON.parse(raw); } catch (_) { return null; }
    }
    const pid = parseInt(raw, 10);
    return Number.isFinite(pid) && pid > 0 ? { pid: pid } : null;
  } catch (_) { return null; }
}

function _lockPayload() {
  return JSON.stringify({