https://www.pvma.ca/SiteBuilderTools/script/off-canvas-menu.js

1(function($){"use strict";var Plugin=function(el,options,idx){this.el=el;this.$el=$(el);this.options=options;this.uuid=this.$el.attr('id')?this.$el.attr('id'):idx;this.state={};this.init();return this;};Plugin.prototype={init:function(){var self=this;self._load();self.$el.find('ul').each(function(idx){var sub=$(this);sub.attr('data-index',idx);if(self.options.save&&self.state.hasOwnProperty(idx)){sub.parent().addClass(self.options.openClass);sub.show();}else if(sub.parent().hasClass(self.options.openClass)){sub.show();self.state[idx]=1;}else{sub.hide();}});if(self.options.caret){self.$el.find("li:has(ul) > a").append(self.options.caret);}var links=self.$el.find("li > a");links.on('click',function(event){event.stopPropagation();var sub=$(this).next();sub=sub.length>0?sub:false;self.options.onClickBefore.call(this,event,sub);if(sub){event.preventDefault();self._toggle(sub,sub.is(":hidden"));self._save();}else{if(self.options.accordion){var allowed=self.state=self._parents($(this));self.$el.find('ul').filter(':visible').each(function(){var sub=$(this),idx=sub.attr('data-index');if(!allowed.hasOwnProperty(idx)){self._toggle(sub,false);}});self._save();}}self.options.onClickAfter.call(this,event,sub);});},_toggle:function(sub,open){var self=this,idx=sub.attr('data-index'),parent=sub.parent();self.options.onToggleBefore.call(this,sub,open);if(open){parent.addClass(self.options.openClass);sub.slideDown(self.options.slide);self.state[idx]=1;if(self.options.accordion){var allowed=self.state=self._parents(sub);allowed[idx]=self.state[idx]=1;self.$el.find('ul').filter(':visible').each(function(){var sub=$(this),idx=sub.attr('data-index');if(!allowed.hasOwnProperty(idx)){self._toggle(sub,false);}});}}else{parent.removeClass(self.options.openClass);sub.slideUp(self.options.slide);self.state[idx]=0;}self.options.onToggleAfter.call(this,sub,open);},_parents:function(sub,obj){var result={},parent=sub.parent(),parents=parent.parents('ul');parents.each(function(){var par=$(this),idx=par.attr('data-index');if(!idx){return false;}result[idx]=obj?par:1;});return result;},_save:function(){if(this.options.save){var save={};for(var key in this.state){if(this.state[key]===1){save[key]=1;}}cookie[this.uuid]=this.state=save;$.cookie(this.options.cookie.name,JSON.stringify(cookie),this.options.cookie);}},_load:function(){if(this.options.save){if(cookie===null){var data=$.cookie(this.options.cookie.name);cookie=(data)?JSON.parse(data):{};}this.state=cookie.hasOwnProperty(this.uuid)?cookie[this.uuid]:{};}},toggle:function(open){var self=this,length=arguments.length;if(length<=1){self.$el.find('ul').each(function(){var sub=$(this);self._toggle(sub,open);});}else{var idx,list={},args=Array.prototype.slice.call(arguments,1);length--;for(var i=0;i<length;i++){idx=args[i];var sub=self.$el.find('ul[data-index="'+idx+'"]').first();if(sub){list[idx]=sub;if(open){var parents=self._parents(sub,true);for(var pIdx in parents){if(!list.hasOwnProperty(pIdx)){list[pIdx]=parents[pIdx];}}}}}for(idx in list){self._toggle(list[idx],open);}}self._save();},destroy:function(){$.removeData(this.$el);this.$el.find("li:has(ul) > a").unbind('click');}};$.fn.navgoco=function(options){if(typeof options==='string'&&options.charAt(0)!=='_'&&options!=='init'){var callback=true,args=Array.prototype.slice.call(arguments,1);}else{options=$.extend({},$.fn.navgoco.defaults,options||{});if(!$.cookie){options.save=false;}}return this.each(function(idx){var $this=$(this),obj=$this.data('navgoco');if(!obj){obj=new Plugin(this,callback?$.fn.navgoco.defaults:options,idx);$this.data('navgoco',obj);}if(callback){obj[options].apply(obj,args);}});};var cookie=null;$.fn.navgoco.defaults={caret:'<span class="caret"></span>',accordion:false,openClass:'open',save:true,cookie:{name:'navgoco',expires:false,path:'/'},slide:{duration:400,easing:'swing'},onClickBefore:$.noop,onClickAfter:$.noop,onToggleBefore:$.noop,onToggleAfter:$.noop};})(jQuery);