• Generate a sanitized, unique filename for a freshly uploaded file by appending a timestamp to the original name while preserving the extension.

    Parameters

    • _req: UploadsRequest

      Request object (unused)

    • file: UploadedFile

      Uploaded file descriptor containing the original name

    • done: (error: Error, filename?: string) => void

      Multer callback invoked with the generated filename

    Returns void