/**
 * @module       MultiSwitches
 * @version      2.2.1
 * @author       OXAYAZA {@link https://oxayaza.page.link/github}
 * @license      CC BY-SA 4.0 {@link https://creativecommons.org/licenses/by-sa/4.0/}
 * @see          {@link https://codepen.io/OXAYAZA/pen/eRbYjV}
 * @see          {@link https://oxayaza.page.link/github_mswitches}
 * @see          {@link https://oxayaza.page.link/linkedin}
 * @description  Allows you to use multiple switches to switch class on the target,
 *               itself and other switches linked to the same target.
 */
function MultiSwitch(options){function Switch(options){if(!(options.node instanceof Element)){throw new Error('Switch element is required')}if(!(options.targets instanceof NodeList||options.targets instanceof Array)&&typeof options.targets!=='string'){throw new Error('Targets must be NodeList, Array or string')}for(var key in Switch.defaults){this[key]=Switch.defaults[key]}for(var _key in options){this[_key]=options[_key]}['targets','scope','isolate'].forEach(function(key){this[key]=Switch.procSelector(this[key])}.bind(this));this.node.multiSwitch=this;this.targets.forEach(function(target){if(!target.multiSwitchTarget)new Target(target);target.multiSwitchTarget.updateGroup({node:this.node,state:this.state,class:this.class})}.bind(this));this.assignHandlers();this.changeState(this.state);return this}Switch.defaults={node:null,state:false,class:'active',event:'click',targets:null,scope:null,isolate:null,handlers:{switch:null,emitter:null,scope:null,isolate:null}};Switch.prototype.assignHandlers=function(){this.handlers.switch=this.changeState.bind(this);this.node.addEventListener(this.event,this.handlers.switch);this.handlers.emitter=function(event){if(event.emitter.multiSwitchTarget.groups[this.class].state!==this.state){this.changeState(event.emitter.multiSwitchTarget.groups[this.class].state)}}.bind(this);this.node.addEventListener('switch:'+this.class,this.handlers.emitter);if(this.scope&&this.scope.length){this.handlers.scope=function(event){if(!this.checkScope(event.target)&&this.state)this.changeState()}.bind(this);document.addEventListener(this.event,this.handlers.scope)}if(this.isolate&&this.isolate.length){this.handlers.isolate=function(event){if(this.checkIsolate(event.target)&&this.state)this.changeState()}.bind(this);document.addEventListener(this.event,this.handlers.isolate)}};Switch.prototype.removeHandlers=function(){if(this.handlers.switch){this.node.removeEventListener(this.event,this.handlers.switch);this.handlers.switch=null}if(this.handlers.emitter){this.node.removeEventListener('switch:'+this.class,this.handlers.emitter);this.handlers.emitter=null}if(this.handlers.scope){document.removeEventListener(this.event,this.handlers.scope);this.handlers.scope=null}if(this.handlers.isolate){document.removeEventListener(this.event,this.handlers.isolate);this.handlers.isolate=null}};Switch.procSelector=function(selector){if(typeof selector==='string')return document.querySelectorAll(selector);return selector};Switch.prototype.changeState=function(state){if(typeof state!=='boolean')this.state=!this.state;else this.state=state;if(this.state)this.node.classList.add(this.class);else this.node.classList.remove(this.class);this.targets.forEach(function(target){var event=new CustomEvent('switch:'+this.class);event.emitter=this.node;target.dispatchEvent(event)}.bind(this))};Switch.prototype.checkScope=function(node){if(this.node.contains(node))return true;for(var i=0;i<this.scope.length;i++){if(this.scope[i].contains(node))return true}return false};Switch.prototype.checkIsolate=function(node){if(this.node.contains(node))return false;for(var i=0;i<this.isolate.length;i++){if(this.isolate[i].contains(node))return true}return false};function Target(node){this.node=node;this.groups={};this.node.multiSwitchTarget=this;return this}Target.prototype.updateGroup=function(params){if(!this.groups[params.class]){this.groups[params.class]={state:params.state,class:params.class,switches:[],event:function(event){if(event.emitter.multiSwitch.state!==this.state){this.changeState(event.emitter.multiSwitch.state,event.emitter.multiSwitch.class)}}.bind(this)};this.node.addEventListener('switch:'+params.class,this.groups[params.class].event)}this.groups[params.class].switches.push(params.node)};Target.prototype.changeState=function(state,className){var group=this.groups[className];if(typeof state!=='boolean')group.state=!group.state;else group.state=state;if(group.state)this.node.classList.add(group.class);else this.node.classList.remove(group.class);group.switches.forEach(function(node){var event=new CustomEvent('switch:'+group.class);event.emitter=this.node;node.dispatchEvent(event)}.bind(this))};return new Switch(options)}