Function initResumableUpload

public/js/upload.js:1177–1472

()

// Make init async-safe; it resolves when Resumable is constructed
async function initResumableUpload() {
  if (resumableInstance) return;
  // Load the library if needed
  const ResumableCtor = await lazyLoadResumable().catch(err => {
    console.error('Failed to load Resumable.js:', err);
    return null;
  });
  if (!ResumableCtor) return;

  // Construct the instance once
  if (!resumableInstance) {
    resumableInstance = new ResumableCtor({
      target: RESUMABLE_TARGET,
      chunkSize: getResumableChunkSizeBytes(),
      simultaneousUploads: 3,
      forceChunkSize: true,
      testChunks: true,
      withCredentials: true,
      headers: { 'X-CSRF-Token': window.csrfToken },
      query: () => {
        const q = {
          folder: window.currentFolder || "root",
          upload_token: window.csrfToken
        };
        const sourceId = getActiveUploadSourceId();
        if (sourceId) q.sourceId = sourceId;
        return q;
      }
    });
  }

  // keep query fresh when folder changes (call this from your folder nav code)
  function updateResumableQuery() {
    if (!resumableInstance) return;
    resumableInstance.opts.headers['X-CSRF-Token'] = window.csrfToken;
    if (typeof resumableInstance.opts.query === 'function') return;
    resumableInstance.opts.query.folder = window.currentFolder || 'root';
    resumableInstance.opts.query.upload_token = window.csrfToken;
    const sourceId = getActiveUploadSourceId();
    if (sourceId) {
      resumableInstance.opts.query.sourceId = sourceId;
    } else {
      delete resumableInstance.opts.query.sourceId;
    }
  }



  resumableInstance.on("fileAdded", function (file) {
    // Build a stable per-file key
    const id =
      file.uniqueIdentifier ||
      ((file.fileName || file.name || '') + ':' + (file.size || 0));
  
    // If we've already seen this id in the current batch, skip wiring it again
    if (_currentResumableIds.has(id)) {
      return;
    }