Function pruneZipArchiveExpandedGroups

renderer.js:1385–1404

(models)

    if (model) {
      model.thumbnail = thumbnail;
      model.hasThumbnail = true;
    }
  }
  const host = liveThumbnailContainer(filePath, container);
  const img = host && host.querySelector('img');
  if (img) img.src = thumbnail;
}

function scheduleDeferredThumbnailPass() {
  if (deferredSlowThumbnails.size === 0) return;
  if (renderQueue.length > 0 || activeRenders > 0 || activeSlowThumbRenders > 0) return;
  if (window._serverBulkThumbnailJobActive) return;

  const room = Math.max(0, RENDER_QUEUE_SOFT_CAP - renderQueue.length);
  if (room === 0) return;
  const batch = [];
  for (const [path, item] of deferredSlowThumbnails) {
    if (batch.length >= room) break;
    batch.push(item);
    deferredSlowThumbnails.delete(path);
  }
  if (batch.length === 0) return;
  const waiting = deferredSlowThumbnails.size;