backbone-min.js

(function(t){var e=typeof self=="object"&&self.self===self&&self||typeof global=="object"&&global.global===global&&global;if(typeof define==="function"&&define.amd){define(["underscore","jquery","exports"],function(i,n,r){e.Backbone=t(e,r,i,n)})}else if(typeof exports!=="undefined"){var i=require("underscore"),n;try{n=require("jquery")}catch(r){}t(e,exports,i,n)}else{e.Backbone=t(e,{},e._,e.jQuery||e.Zepto||e.ender||e.$)}})(function(t,e,i,n){var r=t.Backbone;var s=Array.prototype.slice;e.VERSION="1.4.0";e.$=n;e.noConflict=function(){t.Backbone=r;return this};e.emulateHTTP=false;e.emulateJSON=false;var a=e.Events={};var o=/\s+/;var h;var u=function(t,e,n,r,s){var a=0,h;if(n&&typeof n==="object"){if(r!==void 0&&"context"in s&&s.context===void 0)s.context=r;for(h=i.keys(n);a<h.length;a++){e=u(t,e,h[a],n[h[a]],s)}}else if(n&&o.test(n)){for(h=n.split(o);a<h.length;a++){e=t(e,h[a],r,s)}}else{e=t(e,n,r,s)}return e};a.on=function(t,e,i){this._events=u(l,this._events||{},t,e,{context:i,ctx:this,listening:h});if(h){var n=this._listeners||(this._listeners={});n[h.id]=h;h.interop=false}return this};a.listenTo=function(t,e,n){if(!t)return this;var r=t._listenId||(t._listenId=i.uniqueId("l"));var s=this._listeningTo||(this._listeningTo={});var a=h=s[r];if(!a){this._listenId||(this._listenId=i.uniqueId("l"));a=h=s[r]=new g(this,t)}var o=c(t,e,n,this);h=void 0;if(o)throw o;if(a.interop)a.on(e,n);return this};var l=function(t,e,i,n){if(i){var r=t[e]||(t[e]=[]);var s=n.context,a=n.ctx,o=n.listening;if(o)o.count++;r.push({callback:i,context:s,ctx:s||a,listening:o})}return t};var c=function(t,e,i,n){try{t.on(e,i,n)}catch(r){return r}};a.off=function(t,e,i){if(!this._events)return this;this._events=u(f,this._events,t,e,{context:i,listeners:this._listeners});return this};a.stopListening=function(t,e,n){var r=this._listeningTo;if(!r)return this;var s=t?[t._listenId]:i.keys(r);for(var a=0;a<s.length;a++){var o=r[s[a]];if(!o)break;o.obj.off(e,n,this);if(o.interop)o.off(e,n)}if(i.isEmpty(r))this._listeningTo=void 0;return this};var f=function(t,e,n,r){if(!t)return;var s=r.context,a=r.listeners;var o=0,h;if(!e&&!s&&!n){for(h=i.keys(a);o<h.length;o++){a[h[o]].cleanup()}return}h=e?[e]:i.keys(t);for(;o<h.length;o++){e=h[o];var u=t[e];if(!u)break;var l=[];for(var c=0;c<u.length;c++){var f=u[c];if(n&&n!==f.callback&&n!==f.callback._callback||s&&s!==f.context){l.push(f)}else{var d=f.listening;if(d)d.off(e,n)}}if(l.length){t[e]=l}else{delete t[e]}}return t};a.once=function(t,e,i){var n=u(d,{},t,e,this.off.bind(this));if(typeof t==="string"&&i==null)e=void 0;return this.on(n,e,i)};a.listenToOnce=function(t,e,i){var n=u(d,{},e,i,this.stopListening.bind(this,t));return this.listenTo(t,n)};var d=function(t,e,n,r){if(n){var s=t[e]=i.once(function(){r(e,s);n.apply(this,arguments)});s._callback=n}return t};a.trigger=function(t){if(!this._events)return this;var e=Math.max(0,arguments.length-1);var i=Array(e);for(var n=0;n<e;n++)i[n]=arguments[n+1];u(v,this._events,t,void 0,i);return this};var v=function(t,e,i,n){if(t){var r=t[e];var s=t.all;if(r&&s)s=s.slice();if(r)p(r,n);if(s)p(s,[e].concat(n))}return t};var p=function(t,e){var i,n=-1,r=t.length,s=e[0],a=e[1],o=e[2];switch(e.length){case 0:while(++n<r)(i=t[n]).callback.call(i.ctx);return;case 1:while(++n<r)(i=t[n]).callback.call(i.ctx,s);return;case 2:while(++n<r)(i=t[n]).callback.call(i.ctx,s,a);return;case 3:while(++n<r)(i=t[n]).callback.call(i.ctx,s,a,o);return;default:while(++n<r)(i=t[n]).callback.apply(i.ctx,e);return}};var g=function(t,e){this.id=t._listenId;this.listener=t;this.obj=e;this.interop=true;this.count=0;this._events=void 0};g.prototype.on=a.on;g.prototype.off=function(t,e){var i;if(this.interop){this._events=u(f,this._events,t,e,{context:void 0,listeners:void 0});i=!this._events}else{this.count--;i=this.count===0}if(i)this.cleanup()};g.prototype.cleanup=function(){delete this.listener._listeningTo[this.obj._listenId];if(!this.interop)delete this.obj._listeners[this.id]};a.bind=a.on;a.unbind=a.off;i.extend(e,a);var m=e.Model=function(t,e){var n=t||{};e||(e={});this.preinitialize.apply(this,arguments);this.cid=i.uniqueId(this.cidPrefix);this.attributes={};if(e.collection)this.collection=e.collection;if(e.parse)n=this.parse(n,e)||{};var r=i.result(this,"defaults");n=i.defaults(i.extend({},r,n),r);this.set(n,e);this.changed={};this.initialize.apply(this,arguments)};i.extend(m.prototype,a,{changed:null,validationError:null,idAttribute:"id",cidPrefix:"c",preinitialize:function(){},initialize:function(){},toJSON:function(t){return i.clone(this.attributes)},sync:function(){return e.sync.apply(this,arguments)},get:function(t){return this.attributes[t]},escape:function(t){return i.escape(this.get(t))},has:function(t){return this.get(t)!=null},matches:function(t){return!!i.iteratee(t,this)(this.attributes)},set:function(t,e,n){if(t==null)return this;var r;if(typeof t==="object"){r=t;n=e}else{(r={})[t]=e}n||(n={});if(!this._validate(r,n))return false;var s=n.unset;var a=n.silent;var o=[];var h=this._changing;this._changing=true;if(!h){this._previousAttributes=i.clone(this.attributes);this.changed={}}var u=this.attributes;var l=this.changed;var c=this._previousAttributes;for(var f in r){e=r[f];if(!i.isEqual(u[f],e))o.push(f);if(!i.isEqual(c[f],e)){l[f]=e}else{delete l[f]}s?delete u[f]:u[f]=e}if(this.idAttribute in r)this.id=this.get(this.idAttribute);if(!a){if(o.length)this._pending=n;for(var d=0;d<o.length;d++){this.trigger("change:"+o[d],this,u[o[d]],n)}}if(h)return this;if(!a){while(this._pending){n=this._pending;this._pending=false;this.trigger("change",this,n)}}this._pending=false;this._changing=false;return this},unset:function(t,e){return this.set(t,void 0,i.extend({},e,{unset:true}))},clear:function(t){var e={};for(var n in this.attributes)e[n]=void 0;return this.set(e,i.extend({},t,{unset:true}))},hasChanged:function(t){if(t==null)return!i.isEmpty(this.changed);return i.has(this.changed,t)},changedAttributes:function(t){if(!t)return this.hasChanged()?i.clone(this.changed):false;var e=this._changing?this._previousAttributes:this.attributes;var n={};var r;for(var s in t){var a=t[s];if(i.isEqual(e[s],a))continue;n[s]=a;r=true}return r?n:false},previous:function(t){if(t==null||!this._previousAttributes)return null;return this._previousAttributes[t]},previousAttributes:function(){return i.clone(this._previousAttributes)},fetch:function(t){t=i.extend({parse:true},t);var e=this;var n=t.success;t.success=function(i){var r=t.parse?e.parse(i,t):i;if(!e.set(r,t))return false;if(n)n.call(t.context,e,i,t);e.trigger("sync",e,i,t)};G(this,t);return this.sync("read",this,t)},save:function(t,e,n){var r;if(t==null||typeof t==="object"){r=t;n=e}else{(r={})[t]=e}n=i.extend({validate:true,parse:true},n);var s=n.wait;if(r&&!s){if(!this.set(r,n))return false}else if(!this._validate(r,n)){return false}var a=this;var o=n.success;var h=this.attributes;n.success=function(t){a.attributes=h;var e=n.parse?a.parse(t,n):t;if(s)e=i.extend({},r,e);if(e&&!a.set(e,n))return false;if(o)o.call(n.context,a,t,n);a.trigger("sync",a,t,n)};G(this,n);if(r&&s)this.attributes=i.extend({},h,r);var u=this.isNew()?"create":n.patch?"patch":"update";if(u==="patch"&&!n.attrs)n.attrs=r;var l=this.sync(u,this,n);this.attributes=h;return l},destroy:function(t){t=t?i.clone(t):{};var e=this;var n=t.success;var r=t.wait;var s=function(){e.stopListening();e.trigger("destroy",e,e.collection,t)};t.success=function(i){if(r)s();if(n)n.call(t.context,e,i,t);if(!e.isNew())e.trigger("sync",e,i,t)};var a=false;if(this.isNew()){i.defer(t.success)}else{G(this,t);a=this.sync("delete",this,t)}if(!r)s();return a},url:function(){var t=i.result(this,"urlRoot")||i.result(this.collection,"url")||V();if(this.isNew())return t;var e=this.get(this.idAttribute);return t.replace(/[^\/]$/,"$&/")+encodeURIComponent(e)},parse:function(t,e){return t},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return!this.has(this.idAttribute)},isValid:function(t){return this._validate({},i.extend({},t,{validate:true}))},_validate:function(t,e){if(!e.validate||!this.validate)return true;t=i.extend({},this.attributes,t);var n=this.validationError=this.validate(t,e)||null;if(!n)return true;this.trigger("invalid",this,n,i.extend(e,{validationError:n}));return false}});var _=e.Collection=function(t,e){e||(e={});this.preinitialize.apply(this,arguments);if(e.model)this.model=e.model;if(e.comparator!==void 0)this.comparator=e.comparator;this._reset();this.initialize.apply(this,arguments);if(t)this.reset(t,i.extend({silent:true},e))};var y={add:true,remove:true,merge:true};var b={add:true,remove:false};var x=function(t,e,i){i=Math.min(Math.max(i,0),t.length);var n=Array(t.length-i);var r=e.length;var s;for(s=0;s<n.length;s++)n[s]=t[s+i];for(s=0;s<r;s++)t[s+i]=e[s];for(s=0;s<n.length;s++)t[s+r+i]=n[s]};i.extend(_.prototype,a,{model:m,preinitialize:function(){},initialize:function(){},toJSON:function(t){return this.map(function(e){return e.toJSON(t)})},sync:function(){return e.sync.apply(this,arguments)},add:function(t,e){return this.set(t,i.extend({merge:false},e,b))},remove:function(t,e){e=i.extend({},e);var n=!i.isArray(t);t=n?[t]:t.slice();var r=this._removeModels(t,e);if(!e.silent&&r.length){e.changes={added:[],merged:[],removed:r};this.trigger("update",this,e)}return n?r[0]:r},set:function(t,e){if(t==null)return;e=i.extend({},y,e);if(e.parse&&!this._isModel(t)){t=this.parse(t,e)||[]}var n=!i.isArray(t);t=n?[t]:t.slice();var r=e.at;if(r!=null)r=+r;if(r>this.length)r=this.length;if(r<0)r+=this.length+1;var s=[];var a=[];var o=[];var h=[];var u={};var l=e.add;var c=e.merge;var f=e.remove;var d=false;var v=this.comparator&&r==null&&e.sort!==false;var p=i.isString(this.comparator)?this.comparator:null;var g,m;for(m=0;m<t.length;m++){g=t[m];var _=this.get(g);if(_){if(c&&g!==_){var b=this._isModel(g)?g.attributes:g;if(e.parse)b=_.parse(b,e);_.set(b,e);o.push(_);if(v&&!d)d=_.hasChanged(p)}if(!u[_.cid]){u[_.cid]=true;s.push(_)}t[m]=_}else if(l){g=t[m]=this._prepareModel(g,e);if(g){a.push(g);this._addReference(g,e);u[g.cid]=true;s.push(g)}}}if(f){for(m=0;m<this.length;m++){g=this.models[m];if(!u[g.cid])h.push(g)}if(h.length)this._removeModels(h,e)}var w=false;var E=!v&&l&&f;if(s.length&&E){w=this.length!==s.length||i.some(this.models,function(t,e){return t!==s[e]});this.models.length=0;x(this.models,s,0);this.length=this.models.length}else if(a.length){if(v)d=true;x(this.models,a,r==null?this.length:r);this.length=this.models.length}if(d)this.sort({silent:true});if(!e.silent){for(m=0;m<a.length;m++){if(r!=null)e.index=r+m;g=a[m];g.trigger("add",g,this,e)}if(d||w)this.trigger("sort",this,e);if(a.length||h.length||o.length){e.changes={added:a,removed:h,merged:o};this.trigger("update",this,e)}}return n?t[0]:t},reset:function(t,e){e=e?i.clone(e):{};for(var n=0;n<this.models.length;n++){this._removeReference(this.models[n],e)}e.previousModels=this.models;this._reset();t=this.add(t,i.extend({silent:true},e));if(!e.silent)this.trigger("reset",this,e);return t},push:function(t,e){return this.add(t,i.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,i.extend({at:0},e))},shift:function(t){var e=this.at(0);return this.remove(e,t)},slice:function(){return s.apply(this.models,arguments)},get:function(t){if(t==null)return void 0;return this._byId[t]||this._byId[this.modelId(this._isModel(t)?t.attributes:t)]||t.cid&&this._byId[t.cid]},has:function(t){return this.get(t)!=null},at:function(t){if(t<0)t+=this.length;return this.models[t]},where:function(t,e){return this[e?"find":"filter"](t)},findWhere:function(t){return this.where(t,true)},sort:function(t){var e=this.comparator;if(!e)throw new Error("Cannot sort a set without a comparator");t||(t={});var n=e.length;if(i.isFunction(e))e=e.bind(this);if(n===1||i.isString(e)){this.models=this.sortBy(e)}else{this.models.sort(e)}if(!t.silent)this.trigger("sort",this,t);return this},pluck:function(t){return this.map(t+"")},fetch:function(t){t=i.extend({parse:true},t);var e=t.success;var n=this;t.success=function(i){var r=t.reset?"reset":"set";n[r](i,t);if(e)e.call(t.context,n,i,t);n.trigger("sync",n,i,t)};G(this,t);return this.sync("read",this,t)},create:function(t,e){e=e?i.clone(e):{};var n=e.wait;t=this._prepareModel(t,e);if(!t)return false;if(!n)this.add(t,e);var r=this;var s=e.success;e.success=function(t,e,i){if(n)r.add(t,i);if(s)s.call(i.context,t,e,i)};t.save(null,e);return 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 E(this,S)},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(t,e){if(this._isModel(t)){if(!t.collection)t.collection=this;return t}e=e?i.clone(e):{};e.collection=this;var n=new this.model(t,e);if(!n.validationError)return n;this.trigger("invalid",this,n.validationError,e);return false},_removeModels:function(t,e){var i=[];for(var n=0;n<t.length;n++){var r=this.get(t[n]);if(!r)continue;var s=this.indexOf(r);this.models.splice(s,1);this.length--;delete this._byId[r.cid];var a=this.modelId(r.attributes);if(a!=null)delete this._byId[a];if(!e.silent){e.index=s;r.trigger("remove",r,this,e)}i.push(r);this._removeReference(r,e)}return i},_isModel:function(t){return t instanceof m},_addReference:function(t,e){this._byId[t.cid]=t;var i=this.modelId(t.attributes);if(i!=null)this._byId[i]=t;t.on("all",this._onModelEvent,this)},_removeReference:function(t,e){delete this._byId[t.cid];var i=this.modelId(t.attributes);if(i!=null)delete this._byId[i];if(this===t.collection)delete t.collection;t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,n){if(e){if((t==="add"||t==="remove")&&i!==this)return;if(t==="destroy")this.remove(e,n);if(t==="change"){var r=this.modelId(e.previousAttributes());var s=this.modelId(e.attributes);if(r!==s){if(r!=null)delete this._byId[r];if(s!=null)this._byId[s]=e}}}this.trigger.apply(this,arguments)}});var w=typeof Symbol==="function"&&Symbol.iterator;if(w){_.prototype[w]=_.prototype.values}var E=function(t,e){this._collection=t;this._kind=e;this._index=0};var k=1;var I=2;var S=3;if(w){E.prototype[w]=function(){return this}}E.prototype.next=function(){if(this._collection){if(this._index<this._collection.length){var t=this._collection.at(this._index);this._index++;var e;if(this._kind===k){e=t}else{var i=this._collection.modelId(t.attributes);if(this._kind===I){e=i}else{e=[i,t]}}return{value:e,done:false}}this._collection=void 0}return{value:void 0,done:true}};var T=e.View=function(t){this.cid=i.uniqueId("view");this.preinitialize.apply(this,arguments);i.extend(this,i.pick(t,H));this._ensureElement();this.initialize.apply(this,arguments)};var P=/^(\S+)\s*(.*)$/;var H=["model","collection","el","id","attributes","className","tagName","events"];i.extend(T.prototype,a,{tagName:"div",$:function(t){return this.$el.find(t)},preinitialize:function(){},initialize:function(){},render:function(){return this},remove:function(){this._removeElement();this.stopListening();return this},_removeElement:function(){this.$el.remove()},setElement:function(t){this.undelegateEvents();this._setElement(t);this.delegateEvents();return this},_setElement:function(t){this.$el=t instanceof e.$?t:e.$(t);this.el=this.$el[0]},delegateEvents:function(t){t||(t=i.result(this,"events"));if(!t)return this;this.undelegateEvents();for(var e in t){var n=t[e];if(!i.isFunction(n))n=this[n];if(!n)continue;var r=e.match(P);this.delegate(r[1],r[2],n.bind(this))}return this},delegate:function(t,e,i){this.$el.on(t+".delegateEvents"+this.cid,e,i);return this},undelegateEvents:function(){if(this.$el)this.$el.off(".delegateEvents"+this.cid);return this},undelegate:function(t,e,i){this.$el.off(t+".delegateEvents"+this.cid,e,i);return this},_createElement:function(t){return document.createElement(t)},_ensureElement:function(){if(!this.el){var t=i.extend({},i.result(this,"attributes"));if(this.id)t.id=i.result(this,"id");if(this.className)t["class"]=i.result(this,"className");this.setElement(this._createElement(i.result(this,"tagName")));this._setAttributes(t)}else{this.setElement(i.result(this,"el"))}},_setAttributes:function(t){this.$el.attr(t)}});var $=function(t,e,i,n){switch(e){case 1:return function(){return t[i](this[n])};case 2:return function(e){return t[i](this[n],e)};case 3:return function(e,r){return t[i](this[n],C(e,this),r)};case 4:return function(e,r,s){return t[i](this[n],C(e,this),r,s)};default:return function(){var e=s.call(arguments);e.unshift(this[n]);return t[i].apply(t,e)}}};var A=function(t,e,n,r){i.each(n,function(i,n){if(e[n])t.prototype[n]=$(e,i,n,r)})};var C=function(t,e){if(i.isFunction(t))return t;if(i.isObject(t)&&!e._isModel(t))return R(t);if(i.isString(t))return function(e){return e.get(t)};return t};var R=function(t){var e=i.matches(t);return function(t){return e(t.attributes)}};var 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};var N={keys:1,values:1,pairs:1,invert:1,pick:0,omit:0,chain:1,isEmpty:1};i.each([[_,M,"models"],[m,N,"attributes"]],function(t){var e=t[0],n=t[1],r=t[2];e.mixin=function(t){var n=i.reduce(i.functions(t),function(t,e){t[e]=0;return t},{});A(e,t,n,r)};A(e,i,n,r)});e.sync=function(t,n,r){var s=j[t];i.defaults(r||(r={}),{emulateHTTP:e.emulateHTTP,emulateJSON:e.emulateJSON});var a={type:s,dataType:"json"};if(!r.url){a.url=i.result(n,"url")||V()}if(r.data==null&&n&&(t==="create"||t==="update"||t==="patch")){a.contentType="application/json";a.data=JSON.stringify(r.attrs||n.toJSON(r))}if(r.emulateJSON){a.contentType="application/x-www-form-urlencoded";a.data=a.data?{model:a.data}:{}}if(r.emulateHTTP&&(s==="PUT"||s==="DELETE"||s==="PATCH")){a.type="POST";if(r.emulateJSON)a.data._method=s;var o=r.beforeSend;r.beforeSend=function(t){t.setRequestHeader("X-HTTP-Method-Override",s);if(o)return o.apply(this,arguments)}}if(a.type!=="GET"&&!r.emulateJSON){a.processData=false}var h=r.error;r.error=function(t,e,i){r.textStatus=e;r.errorThrown=i;if(h)h.call(r.context,t,e,i)};var u=r.xhr=e.ajax(i.extend(a,r));n.trigger("request",n,u,r);return u};var j={create:"POST",update:"PUT",patch:"PATCH","delete":"DELETE",read:"GET"};e.ajax=function(){return e.$.ajax.apply(e.$,arguments)};var 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s=window.addEventListener||function(t,e){return attachEvent("on"+t,e)};if(this._usePushState){s("popstate",this.checkUrl,false)}else if(this._useHashChange&&!this.iframe){s("hashchange",this.checkUrl,false)}else if(this._wantsHashChange){this._checkUrlInterval=setInterval(this.checkUrl,this.interval)}if(!this.options.silent)return this.loadUrl()},stop:function(){var t=window.removeEventListener||function(t,e){return detachEvent("on"+t,e)};if(this._usePushState){t("popstate",this.checkUrl,false)}else if(this._useHashChange&&!this.iframe){t("hashchange",this.checkUrl,false)}if(this.iframe){document.body.removeChild(this.iframe);this.iframe=null}if(this._checkUrlInterval)clearInterval(this._checkUrlInterval);B.started=false},route:function(t,e){this.handlers.unshift({route:t,callback:e})},checkUrl:function(t){var e=this.getFragment();if(e===this.fragment&&this.iframe){e=this.getHash(this.iframe.contentWindow)}if(e===this.fragment)return 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