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

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r.apply(this.models,arguments)},get:function(t){if(null!=t)return this._byId[t]||this._byId[this.modelId(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=b.bind(e,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)},N(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"]},_reset:function(){this.length=0,this.models=[],this._byId={}},_prepareModel:function(t,e){if(this._isModel(t))return t.collection||(t.collection=this),t;t=new((e=e?b.clone(e):{}).collection=this).model(t,e);return t.validationError?(this.trigger("invalid",this,t.validationError,e),!1):t},_removeModels:function(t,e){for(var i=[],n=0;n<t.length;n++){var s,r,o=this.get(t[n]);o&&(s=this.indexOf(o),this.models.splice(s,1),this.length--,delete this._byId[o.cid],null!=(r=this.modelId(o.attributes))&&delete 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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 a.$?t:a.$(t),this.el=this.$el[0]},delegateEvents:function(t){if(!(t=t||b.result(this,"events")))return this;for(var e in this.undelegateEvents(),t){var i,n=t[e];(n=!b.isFunction(n)?this[n]:n)&&(i=e.match(E),this.delegate(i[1],i[2],b.bind(n,this)))}return this},delegate:function(t,e,i){return this.$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)}}),a.sync=function(t,e,n){var i=S[t];b.defaults(n=n||{},{emulateHTTP:a.emulateHTTP,emulateJSON:a.emulateJSON});var s,r={type:i,dataType:"json"};n.url||(r.url=b.result(e,"url")||j()),null!=n.data||!e||"create"!==t&&"update"!==t&&"patch"!==t||(r.contentType="application/json",r.data=JSON.stringify(n.attrs||e.toJSON(n))),n.emulateJSON&&(r.contentType="application/x-www-form-urlencoded",r.data=r.data?{model:r.data}:{}),!n.emulateHTTP||"PUT"!==i&&"DELETE"!==i&&"PATCH"!==i||(r.type="POST",n.emulateJSON&&(r.data._method=i),s=n.beforeSend,n.beforeSend=function(t){if(t.setRequestHeader("X-HTTP-Method-Override",i),s)return 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