Method append

frontend/src/services/uploadService.ts:280–301

(
    file: File,
    url: string,
    password: string,
    options: UploadOptions,
    // eslint-disable-next-line no-unused-vars
    beforeMounted?: (uploadFile: UploadFiles) => void
  )

  });

  append(
    file: File,
    url: string,
    password: string,
    options: UploadOptions,
    // eslint-disable-next-line no-unused-vars
    beforeMounted?: (uploadFile: UploadFiles) => void
  ) {
    const tempId = Date.now().toString();
    const uploadFile = new UploadFiles(tempId, file, url, password, options);
    if (beforeMounted) {
      beforeMounted(uploadFile);
    }
    this.files.set(tempId, uploadFile);
    if (this.status == "stopped") {
      this.status = "working";
      this.current = tempId;
      uploadFile.onStart();
    }
    this.update();
    return uploadFile;
  }

  changeId(oldId: string, newId: string) {
    if (this.files.get(newId)) {