Function getHeapSnapshotFilename

lib/internal/process/pre_execution.js:786–805

(diagnosticDir)

// To generate the HeapSnapshotFilename while using custom diagnosticDir
function getHeapSnapshotFilename(diagnosticDir) {
  if (!diagnosticDir) return undefined;

  const date = new Date();

  const year = DatePrototypeGetFullYear(date);
  const month = String(DatePrototypeGetMonth(date) + 1).padStart(2, '0');
  const day = String(DatePrototypeGetDate(date)).padStart(2, '0');
  const hours = String(DatePrototypeGetHours(date)).padStart(2, '0');
  const minutes = String(DatePrototypeGetMinutes(date)).padStart(2, '0');
  const seconds = String(DatePrototypeGetSeconds(date)).padStart(2, '0');

  const dateString = `${year}${month}${day}`;
  const timeString = `${hours}${minutes}${seconds}`;
  const pid = process.pid;
  const threadId = internalBinding('worker').threadId;
  const fileSequence = (++sequenceNumOfheapSnapshot).toString().padStart(3, '0');

  return `${diagnosticDir}/Heap.${dateString}.${timeString}.${pid}.${threadId}.${fileSequence}.heapsnapshot`;
}

module.exports = {
  initializeModuleLoaders,