{\n    constructor(element, config) {\n      this._element = element\n    }\n\n    toggle() {\n      $(this._element).parents(Selector.DIRECT_CHAT).first().toggleClass(ClassName.DIRECT_CHAT_OPEN);\n\n      const toggledEvent = $.Event(Event.TOGGLED)\n      $(this._element).trigger(toggledEvent)\n    }\n\n    // Static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new DirectChat($(this))\n...