if (isOpen) {\n      this.collapse($(treeviewMenu), parentLi)\n    } else {\n      this.expand($(treeviewMenu), parentLi)\n    }\n  }\n\n  // Private\n\n  _setupListeners() {\n    const elementId = this._element.attr('id') !== undefined ? `#${this._element.attr('id')}` : ''\n    $(document).on('click', `${elementId}${this._config.trigger}`, event => {\n      this.toggle(event)\n    })\n  }\n\n  _expandSidebar() {\n    if ($('body').hasClass(CLASS_NAME_SIDEBAR_COLLAPSED)) {\n      $(this._config.s...