WordPress/wp-includes/js/backbone.min.js

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this.constructor(this.attributes)},isNew:function(){return!this.has(this.idAttribute)},isValid:function(t){return this._validate({},b.extend({},t,{validate:!0}))},_validate:function(t,e){if(!e.validate||!this.validate)return!0;t=b.extend({},this.attributes,t);t=this.validationError=this.validate(t,e)||null;return!t||(this.trigger("invalid",this,t,b.extend(e,{validationError:t})),!1)}});function x(t,e,i){i=Math.min(Math.max(i,0),t.length);for(var n=Array(t.length-i),s=e.length,r=0;r<n.length;r++)n[r]=t[r+i];for(r=0;r<s;r++)t[r+i]=e[r];for(r=0;r<n.length;r++)t[r+s+i]=n[r]}var m=h.Collection=function(t,e){e=e||{},this.preinitialize.apply(this,arguments),e.model&&(this.model=e.model),void 0!==e.comparator&&(this.comparator=e.comparator),this._reset(),this.initialize.apply(this,arguments),t&&this.reset(t,b.extend({silent:!0},e))},w={add:!0,remove:!0,merge:!0},_={add:!0,remove:!1};b.extend(m.prototype,n,{model:v,preinitialize:function(){},initialize:function(){},toJSON:function(e){return 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m,_=this.get(s);_?(l&&s!==_&&(m=this._isModel(s)?s.attributes:s,e.parse&&(m=_.parse(m,e)),_.set(m,e),h.push(_),p&&!f&&(f=_.hasChanged(g))),u[_.cid]||(u[_.cid]=!0,r.push(_)),t[v]=_):c&&(s=t[v]=this._prepareModel(s,e))&&(o.push(s),this._addReference(s,e),u[s.cid]=!0,r.push(s))}if(d){for(v=0;v<this.length;v++)u[(s=this.models[v]).cid]||a.push(s);a.length&&this._removeModels(a,e)}var y=!1,d=!p&&c&&d;if(r.length&&d?(y=this.length!==r.length||b.some(this.models,function(t,e){return t!==r[e]}),this.models.length=0,x(this.models,r,0),this.length=this.models.length):o.length&&(p&&(f=!0),x(this.models,o,null==n?this.length:n),this.length=this.models.length),f&&this.sort({silent:!0}),!e.silent){for(v=0;v<o.length;v++)null!=n&&(e.index=n+v),(s=o[v]).trigger("add",s,this,e);(f||y)&&this.trigger("sort",this,e),(o.length||a.length||h.length)&&(e.changes={added:o,removed:a,merged:h},this.trigger("update",this,e))}return i?t[0]:t}},reset:function(t,e){e=e?b.clone(e):{};for(var i=0;i<this.models.length;i++)this._removeReference(this.models[i],e);return e.previousModels=this.models,this._reset(),t=this.add(t,b.extend({silent:!0},e)),e.silent||this.trigger("reset",this,e),t},push:function(t,e){return this.add(t,b.extend({at:this.length},e))},pop:function(t){var e=this.at(this.length-1);return this.remove(e,t)},unshift:function(t,e){return this.add(t,b.extend({at:0},e))},shift:function(t){var e=this.at(0);return this.remove(e,t)},slice:function(){return o.apply(this.models,arguments)},get:function(t){if(null!=t)return this._byId[t]||this._byId[this.modelId(this._isModel(t)?t.attributes:t)]||t.cid&&this._byId[t.cid]},has:function(t){return null!=this.get(t)},at:function(t){return t<0&&(t+=this.length),this.models[t]},where:function(t,e){return this[e?"find":"filter"](t)},findWhere:function(t){return this.where(t,!0)},sort:function(t){var e=this.comparator;if(!e)throw new Error("Cannot sort a set without a comparator");t=t||{};var i=e.length;return b.isFunction(e)&&(e=e.bind(this)),1===i||b.isString(e)?this.models=this.sortBy(e):this.models.sort(e),t.silent||this.trigger("sort",this,t),this},pluck:function(t){return this.map(t+"")},fetch:function(i){var n=(i=b.extend({parse:!0},i)).success,s=this;return i.success=function(t){var e=i.reset?"reset":"set";s[e](t,i),n&&n.call(i.context,s,t,i),s.trigger("sync",s,t,i)},B(this,i),this.sync("read",this,i)},create:function(t,e){var n=(e=e?b.clone(e):{}).wait;if(!(t=this._prepareModel(t,e)))return!1;n||this.add(t,e);var s=this,r=e.success;return e.success=function(t,e,i){n&&s.add(t,i),r&&r.call(i.context,t,e,i)},t.save(null,e),t},parse:function(t,e){return t},clone:function(){return new this.constructor(this.models,{model:this.model,comparator:this.comparator})},modelId:function(t){return t[this.model.prototype.idAttribute||"id"]},values:function(){return new E(this,k)},keys:function(){return new E(this,I)},entries:function(){return new 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t.collection,t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,n){if(e){if(("add"===t||"remove"===t)&&i!==this)return;var s,r;"destroy"===t&&this.remove(e,n),"change"!==t||(s=this.modelId(e.previousAttributes()))!==(r=this.modelId(e.attributes))&&(null!=s&&delete this._byId[s],null!=r&&(this._byId[r]=e))}this.trigger.apply(this,arguments)}});var y="function"==typeof Symbol&&Symbol.iterator;y&&(m.prototype[y]=m.prototype.values);var E=function(t,e){this._collection=t,this._kind=e,this._index=0},k=1,I=2,S=3;y&&(E.prototype[y]=function(){return this}),E.prototype.next=function(){if(this._collection){if(this._index<this._collection.length){var t,e=this._collection.at(this._index);return this._index++,{value:this._kind===k?e:(t=this._collection.modelId(e.attributes),this._kind===I?t:[t,e]),done:!1}}this._collection=void 0}return{value:void 0,done:!0}};var e=h.View=function(t){this.cid=b.uniqueId("view"),this.preinitialize.apply(this,arguments),b.extend(this,b.pick(t,P)),this._ensureElement(),this.initialize.apply(this,arguments)},T=/^(\S+)\s*(.*)$/,P=["model","collection","el","id","attributes","className","tagName","events"];b.extend(e.prototype,n,{tagName:"div",$:function(t){return this.$el.find(t)},preinitialize:function(){},initialize:function(){},render:function(){return this},remove:function(){return this._removeElement(),this.stopListening(),this},_removeElement:function(){this.$el.remove()},setElement:function(t){return this.undelegateEvents(),this._setElement(t),this.delegateEvents(),this},_setElement:function(t){this.$el=t instanceof h.$?t:h.$(t),this.el=this.$el[0]},delegateEvents:function(t){if(!(t=t||b.result(this,"events")))return this;for(var e in this.undelegateEvents(),t){var i,n=t[e];(n=!b.isFunction(n)?this[n]:n)&&(i=e.match(T),this.delegate(i[1],i[2],n.bind(this)))}return this},delegate:function(t,e,i){return this.$el.on(t+".delegateEvents"+this.cid,e,i),this},undelegateEvents:function(){return this.$el&&this.$el.off(".delegateEvents"+this.cid),this},undelegate:function(t,e,i){return this.$el.off(t+".delegateEvents"+this.cid,e,i),this},_createElement:function(t){return document.createElement(t)},_ensureElement:function(){var t;this.el?this.setElement(b.result(this,"el")):(t=b.extend({},b.result(this,"attributes")),this.id&&(t.id=b.result(this,"id")),this.className&&(t.class=b.result(this,"className")),this.setElement(this._createElement(b.result(this,"tagName"))),this._setAttributes(t))},_setAttributes:function(t){this.$el.attr(t)}});function H(i,n,t,s){b.each(t,function(t,e){n[e]&&(i.prototype[e]=function(n,t,s,r){switch(t){case 1:return function(){return n[s](this[r])};case 2:return function(t){return n[s](this[r],t)};case 3:return function(t,e){return n[s](this[r],$(t,this),e)};case 4:return function(t,e,i){return n[s](this[r],$(t,this),e,i)};default:return function(){var t=o.call(arguments);return t.unshift(this[r]),n[s].apply(n,t)}}}(n,t,e,s))})}var $=function(e,t){return b.isFunction(e)?e:b.isObject(e)&&!t._isModel(e)?A(e):b.isString(e)?function(t){return t.get(e)}:e},A=function(t){var e=b.matches(t);return function(t){return e(t.attributes)}};b.each([[m,{forEach:3,each:3,map:3,collect:3,reduce:0,foldl:0,inject:0,reduceRight:0,foldr:0,find:3,detect:3,filter:3,select:3,reject:3,every:3,all:3,some:3,any:3,include:3,includes:3,contains:3,invoke:0,max:3,min:3,toArray:1,size:1,first:3,head:3,take:3,initial:3,rest:3,tail:3,drop:3,last:3,without:0,difference:0,indexOf:3,shuffle:1,lastIndexOf:3,isEmpty:1,chain:1,sample:3,partition:3,groupBy:3,countBy:3,sortBy:3,indexBy:3,findIndex:3,findLastIndex:3},"models"],[v,{keys:1,values:1,pairs:1,invert:1,pick:0,omit:0,chain:1,isEmpty:1},"attributes"]],function(t){var i=t[0],e=t[1],n=t[2];i.mixin=function(t){var e=b.reduce(b.functions(t),function(t,e){return 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e=window.addEventListener||function(t,e){return attachEvent("on"+t,e)};if(this._usePushState?e("popstate",this.checkUrl,!1):this._useHashChange&&!this.iframe?e("hashchange",this.checkUrl,!1):this._wantsHashChange&&(this._checkUrlInterval=setInterval(this.checkUrl,this.interval)),!this.options.silent)return this.loadUrl()},stop:function(){var t=window.removeEventListener||function(t,e){return detachEvent("on"+t,e)};this._usePushState?t("popstate",this.checkUrl,!1):this._useHashChange&&!this.iframe&&t("hashchange",this.checkUrl,!1),this.iframe&&(document.body.removeChild(this.iframe),this.iframe=null),this._checkUrlInterval&&clearInterval(this._checkUrlInterval),O.started=!1},route:function(t,e){this.handlers.unshift({route:t,callback:e})},checkUrl:function(t){var 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