$(this._element).trigger($.Event(EVENT_COLLAPSED_DONE))\n    }, this._options.animationSpeed)\n  }\n\n  toggle() {\n    if ($(SELECTOR_BODY).hasClass(CLASS_NAME_COLLAPSED)) {\n      this.expand()\n    } else {\n      this.collapse()\n    }\n  }\n\n  autoCollapse(resize = false) {\n    if (!this._options.autoCollapseSize) {\n      return\n    }\n\n    const $bodySelector = $(SELECTOR_BODY)\n\n    if ($(window).width() <= this._options.autoCollapseSize) {\n      if (!$bodySelector.hasClass(CLASS_NAME_OPEN))...