Function acquirePreview3mfWorker

main.js:26–42

(workerPath)

);
const PREVIEW_3MF_WORKER_MEMORY_MB = Math.max(
  512,
  Number.parseInt(process.env.PRINTVENTORY_PREVIEW_3MF_WORKER_MEMORY_MB || '2048', 10) || 2048
);
const PREVIEW_3MF_MAX_DISK_CACHE_MB = Math.max(
  50,
  Number.parseInt(process.env.PRINTVENTORY_PREVIEW_3MF_MAX_DISK_CACHE_MB || '150', 10) || 150
);

function getPreview3mfCacheDir() {
  return path.join(app.getPath('userData'), '3mf-preview-cache');
}

function createPreview3mfWorker(workerPath) {
  return new Worker(workerPath, {
    resourceLimits: {
      maxOldGenerationSizeMb: PREVIEW_3MF_WORKER_MEMORY_MB,
      maxYoungGenerationSizeMb: Math.min(256, Math.floor(PREVIEW_3MF_WORKER_MEMORY_MB / 4))
    }
  });
}