docs: def preview(file):
      """Return appropriate template and pass the file and an embed flag."""
      tree, limit_reached, error = make_tree(file)
      list = children_to_list(tree)['children']
      return render_template(
          "invenio_previewer/zip.html",
          file=file,
          tree=list,
          limit_reached=limit_reached,
          error=error,
          js_bundles=current_previewer.js_bundles + ['previewer_fullscreen_js'],
          css_bundles=current_previewer.css_bundles,
      )