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t.collection,t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,n){("add"!==t&&"remove"!==t||i===this)&&("destroy"===t&&this.remove(e,n),e&&t==="change:"+e.idAttribute&&(delete this._byId[e.previous(e.idAttribute)],null!=e.id&&(this._byId[e.id]=e)),this.trigger.apply(this,arguments))}});w.each(["forEach","each","map","collect","reduce","foldl","inject","reduceRight","foldr","find","detect","filter","select","reject","every","all","some","any","include","contains","invoke","max","min","toArray","size","first","head","take","initial","rest","tail","drop","last","without","difference","indexOf","shuffle","lastIndexOf","isEmpty","chain","sample"],function(e){c.prototype[e]=function(){var t=s.call(arguments);return t.unshift(this.models),w[e].apply(w,t)}});w.each(["groupBy","countBy","sortBy","indexBy"],function(n){c.prototype[n]=function(e,t){var i=w.isFunction(e)?e:function(t){return t.get(e)};return w[n](this.models,i,t)}});var 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this.$el.off(".delegateEvents"+this.cid),this},_ensureElement:function(){var t;this.el?this.setElement(w.result(this,"el"),!1):(t=w.extend({},w.result(this,"attributes")),this.id&&(t.id=w.result(this,"id")),this.className&&(t["class"]=w.result(this,"className")),t=o.$("<"+w.result(this,"tagName")+">").attr(t),this.setElement(t,!1))}}),o.sync=function(t,e,i){var n=g[t];w.defaults(i=i||{},{emulateHTTP:o.emulateHTTP,emulateJSON:o.emulateJSON});var s,r={type:n,dataType:"json"};i.url||(r.url=w.result(e,"url")||A()),null!=i.data||!e||"create"!==t&&"update"!==t&&"patch"!==t||(r.contentType="application/json",r.data=JSON.stringify(i.attrs||e.toJSON(i))),i.emulateJSON&&(r.contentType="application/x-www-form-urlencoded",r.data=r.data?{model:r.data}:{}),!i.emulateHTTP||"PUT"!==n&&"DELETE"!==n&&"PATCH"!==n||(r.type="POST",i.emulateJSON&&(r.data._method=n),s=i.beforeSend,i.beforeSend=function(t){if(t.setRequestHeader("X-HTTP-Method-Override",n),s)return 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o.history.route(e,function(t){t=s._extractParameters(e,t);s.execute(n,t),s.trigger.apply(s,["route:"+i].concat(t)),s.trigger("route",i,t),o.history.trigger("route",s,i,t)}),this},execute:function(t,e){t&&t.apply(this,e)},navigate:function(t,e){return o.history.navigate(t,e),this},_bindRoutes:function(){if(this.routes){this.routes=w.result(this,"routes");for(var t,e=w.keys(this.routes);null!=(t=e.pop());)this.route(t,this.routes[t])}},_routeToRegExp:function(t){return t=t.replace(_,"\\$&").replace(v,"(?:$1)?").replace(m,function(t,e){return e?t:"([^/?]+)"}).replace(y,"([^?]*?)"),new RegExp("^"+t+"(?:\\?([\\s\\S]*))?$")},_extractParameters:function(t,e){var i=t.exec(e).slice(1);return w.map(i,function(t,e){return e===i.length-1?t||null:t?decodeURIComponent(t):null})}});var b=o.History=function(){this.handlers=[],w.bindAll(this,"checkUrl"),"undefined"!=typeof window&&(this.location=window.location,this.history=window.history)},k=/^[#\/]|\s+$/g,T=/^\/+|\/+$/g,$=/msie 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e=this.getFragment(),i=document.documentMode,t=$.exec(navigator.userAgent.toLowerCase())&&(!i||i<=7);this.root=("/"+this.root+"/").replace(T,"/"),t&&this._wantsHashChange&&(i=o.$('<iframe src="javascript:0" tabindex="-1">'),this.iframe=i.hide().appendTo("body")[0].contentWindow,this.navigate(e)),this._hasPushState?o.$(window).on("popstate",this.checkUrl):this._wantsHashChange&&"onhashchange"in window&&!t?o.$(window).on("hashchange",this.checkUrl):this._wantsHashChange&&(this._checkUrlInterval=setInterval(this.checkUrl,this.interval)),this.fragment=e;e=this.location;if(this._wantsHashChange&&this._wantsPushState){if(!this._hasPushState&&!this.atRoot())return this.fragment=this.getFragment(null,!0),this.location.replace(this.root+"#"+this.fragment),!0;this._hasPushState&&this.atRoot()&&e.hash&&(this.fragment=this.getHash().replace(k,""),this.history.replaceState({},document.title,this.root+this.fragment))}if(!this.options.silent)return 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this.location.assign(i);this._updateHash(this.location,t,e.replace),this.iframe&&t!==this.getFragment(this.getHash(this.iframe))&&(e.replace||this.iframe.document.open().close(),this._updateHash(this.iframe.location,t,e.replace))}return e.trigger?this.loadUrl(t):void 0}},_updateHash:function(t,e,i){i?(i=t.href.replace(/(javascript:|#).*$/,""),t.replace(i+"#"+e)):t.hash="#"+e}}),o.history=new b;x.extend=c.extend=e.extend=n.extend=b.extend=function(t,e){var i=this,n=t&&w.has(t,"constructor")?t.constructor:function(){return i.apply(this,arguments)};w.extend(n,i,e);e=function(){this.constructor=n};return e.prototype=i.prototype,n.prototype=new e,t&&w.extend(n.prototype,t),n.__super__=i.prototype,n};var A=function(){throw new Error('A "url" property or function must be specified')},I=function(e,i){var n=i.error;i.error=function(t){n&&n(e,t,i),e.trigger("error",e,t,i)}};return o});