forked from socketio/socket.io-client
/
socket.io-client.js
2 lines (2 loc) · 48 KB
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socket.io-client.js
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(function(){function require(p,parent,orig){var path=require.resolve(p),mod=require.modules[path];if(null==path){orig=orig||p;parent=parent||"root";throw new Error('failed to require "'+orig+'" from "'+parent+'"')}if(!mod.exports){mod.exports={};mod.client=mod.component=true;mod.call(this,mod,mod.exports,require.relative(path))}return mod.exports}require.modules={};require.aliases={};require.resolve=function(path){var orig=path,reg=path+".js",regJSON=path+".json",index=path+"/index.js",indexJSON=path+"/index.json";return require.modules[reg]&®||require.modules[regJSON]&®JSON||require.modules[index]&&index||require.modules[indexJSON]&&indexJSON||require.modules[orig]&&orig||require.aliases[index]};require.normalize=function(curr,path){var segs=[];if("."!=path.charAt(0))return path;curr=curr.split("/");path=path.split("/");for(var i=0;i<path.length;++i){if(".."==path[i]){curr.pop()}else if("."!=path[i]&&""!=path[i]){segs.push(path[i])}}return curr.concat(segs).join("/")};require.register=function(path,fn){require.modules[path]=fn};require.alias=function(from,to){var fn=require.modules[from];if(!fn)throw new Error('failed to alias "'+from+'", it does not exist');require.aliases[to]=from};require.relative=function(parent){var p=require.normalize(parent,"..");function lastIndexOf(arr,obj){var i=arr.length;while(i--){if(arr[i]===obj)return i}return-1}function fn(path){var orig=path;path=fn.resolve(path);return require(path,parent,orig)}fn.resolve=function(path){if("."!=path.charAt(0)){var segs=parent.split("/");var i=lastIndexOf(segs,"deps")+1;if(!i)i=0;path=segs.slice(0,i+1).join("/")+"/deps/"+path;return path}return require.normalize(p,path)};fn.exists=function(path){return!!require.modules[fn.resolve(path)]};return fn};require.register("learnboost-engine.io-client/lib/index.js",function(module,exports,require){module.exports=require("./socket")});require.register("learnboost-engine.io-client/lib/parser.js",function(module,exports,require){var util=require("./util");var packets=exports.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6};var packetslist=util.keys(packets);var err={type:"error",data:"parser error"};exports.encodePacket=function(packet){var encoded=packets[packet.type];if(undefined!==packet.data){encoded+=String(packet.data)}return""+encoded};exports.decodePacket=function(data){var type=data.charAt(0);if(Number(type)!=type||!packetslist[type]){return err}if(data.length>1){return{type:packetslist[type],data:data.substring(1)}}else{return{type:packetslist[type]}}};exports.encodePayload=function(packets){if(!packets.length){return"0:"}var encoded="",message;for(var i=0,l=packets.length;i<l;i++){message=exports.encodePacket(packets[i]);encoded+=message.length+":"+message}return encoded};exports.decodePayload=function(data){if(data==""){return[err]}var packets=[],length="",n,msg,packet;for(var i=0,l=data.length;i<l;i++){var chr=data.charAt(i);if(":"!=chr){length+=chr}else{if(""==length||length!=(n=Number(length))){return[err]}msg=data.substr(i+1,n);if(length!=msg.length){return[err]}if(msg.length){packet=exports.decodePacket(msg);if(err.type==packet.type&&err.data==packet.data){return[err]}packets.push(packet)}i+=n;length=""}}if(length!=""){return[err]}return packets}});require.register("learnboost-engine.io-client/lib/socket.js",function(module,exports,require){var util=require("./util"),transports=require("./transports"),Emitter=require("./emitter"),debug=require("debug")("engine-client:socket");module.exports=Socket;var global="undefined"!=typeof window?window:global;function Socket(opts){if(!(this instanceof Socket))return new Socket(opts);if("string"==typeof opts){var uri=util.parseUri(opts);opts=arguments[1]||{};opts.host=uri.host;opts.secure=uri.protocol=="https"||uri.protocol=="wss";opts.port=uri.port}opts=opts||{};this.secure=null!=opts.secure?opts.secure:global.location&&"https:"==location.protocol;this.host=opts.host||opts.hostname||(global.location?location.hostname:"localhost");this.port=opts.port||(global.location&&location.port?location.port:this.secure?443:80);this.query=opts.query||{};this.query.uid=rnd();this.upgrade=false!==opts.upgrade;this.resource=opts.resource||"default";this.path=(opts.path||"/engine.io").replace(/\/$/,"");this.path+="/"+this.resource+"/";this.forceJSONP=!!opts.forceJSONP;this.timestampParam=opts.timestampParam||"t";this.timestampRequests=!!opts.timestampRequests;this.flashPath=opts.flashPath||"";this.transports=opts.transports||["polling","websocket","flashsocket"];this.readyState="";this.writeBuffer=[];this.policyPort=opts.policyPort||843;this.open();Socket.sockets.push(this);Socket.sockets.evs.emit("add",this)}Emitter(Socket.prototype);Socket.protocol=1;Socket.sockets=[];Socket.sockets.evs=new Emitter;Socket.Socket=Socket;Socket.Transport=require("./transport");Socket.Emitter=require("./emitter");Socket.transports=require("./transports");Socket.util=require("./util");Socket.parser=require("./parser");Socket.prototype.createTransport=function(name){debug('creating transport "%s"',name);var query=clone(this.query);query.transport=name;if(this.id){query.sid=this.id}var transport=new transports[name]({host:this.host,port:this.port,secure:this.secure,path:this.path,query:query,forceJSONP:this.forceJSONP,timestampRequests:this.timestampRequests,timestampParam:this.timestampParam,flashPath:this.flashPath,policyPort:this.policyPort});return transport};function clone(obj){var o={};for(var i in obj){if(obj.hasOwnProperty(i)){o[i]=obj[i]}}return o}Socket.prototype.open=function(){this.readyState="opening";var transport=this.createTransport(this.transports[0]);transport.open();this.setTransport(transport)};Socket.prototype.setTransport=function(transport){var self=this;if(this.transport){debug("clearing existing transport");this.transport.removeAllListeners()}this.transport=transport;transport.on("drain",function(){self.flush()}).on("packet",function(packet){self.onPacket(packet)}).on("error",function(e){self.onError(e)}).on("close",function(){self.onClose("transport close")})};Socket.prototype.probe=function(name){debug('probing transport "%s"',name);var transport=this.createTransport(name,{probe:1}),failed=false,self=this;transport.once("open",function(){if(failed)return;debug('probe transport "%s" opened',name);transport.send([{type:"ping",data:"probe"}]);transport.once("packet",function(msg){if(failed)return;if("pong"==msg.type&&"probe"==msg.data){debug('probe transport "%s" pong',name);self.upgrading=true;self.emit("upgrading",transport);debug('pausing current transport "%s"',self.transport.name);self.transport.pause(function(){if(failed)return;if("closed"==self.readyState||"closing"==self.readyState){return}debug("changing transport and sending upgrade packet");transport.removeListener("error",onerror);self.emit("upgrade",transport);self.setTransport(transport);transport.send([{type:"upgrade"}]);transport=null;self.upgrading=false;self.flush()})}else{debug('probe transport "%s" failed',name);var err=new Error("probe error");err.transport=transport.name;self.emit("error",err)}})});transport.once("error",onerror);function onerror(err){if(failed)return;failed=true;var error=new Error("probe error: "+err);error.transport=transport.name;transport.close();transport=null;debug('probe transport "%s" failed because of error: %s',name,err);self.emit("error",error)}transport.open();this.once("close",function(){if(transport){debug("socket closed prematurely - aborting probe");failed=true;transport.close();transport=null}});this.once("upgrading",function(to){if(transport&&to.name!=transport.name){debug('"%s" works - aborting "%s"',to.name,transport.name);transport.close();transport=null}})};Socket.prototype.onOpen=function(){debug("socket open");this.readyState="open";this.emit("open");this.onopen&&this.onopen.call(this);this.flush();if("open"==this.readyState&&this.upgrade&&this.transport.pause){debug("starting upgrade probes");for(var i=0,l=this.upgrades.length;i<l;i++){this.probe(this.upgrades[i])}}};Socket.prototype.onPacket=function(packet){if("opening"==this.readyState||"open"==this.readyState){debug('socket receive: type "%s", data "%s"',packet.type,packet.data);this.emit("packet",packet);this.emit("heartbeat");switch(packet.type){case"open":this.onHandshake(util.parseJSON(packet.data));break;case"pong":this.ping();break;case"error":var err=new Error("server error");err.code=packet.data;this.emit("error",err);break;case"message":this.emit("message",packet.data);var event={data:packet.data};event.toString=function(){return packet.data};this.onmessage&&this.onmessage.call(this,event);break}}else{debug('packet received with socket readyState "%s"',this.readyState)}};Socket.prototype.onHandshake=function(data){this.emit("handshake",data);this.id=data.sid;this.transport.query.sid=data.sid;this.upgrades=data.upgrades;this.pingInterval=data.pingInterval;this.pingTimeout=data.pingTimeout;this.onOpen();this.ping();this.removeListener("heartbeat",this.onHeartbeat);this.on("heartbeat",this.onHeartbeat)};Socket.prototype.onHeartbeat=function(timeout){clearTimeout(this.pingTimeoutTimer);var self=this;self.pingTimeoutTimer=setTimeout(function(){if("closed"==self.readyState)return;self.onClose("ping timeout")},timeout||self.pingInterval+self.pingTimeout)};Socket.prototype.ping=function(){var self=this;clearTimeout(self.pingIntervalTimer);self.pingIntervalTimer=setTimeout(function(){debug("writing ping packet - expecting pong within %sms",self.pingTimeout);self.sendPacket("ping");self.onHeartbeat(self.pingTimeout)},self.pingInterval)};Socket.prototype.flush=function(){if("closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){debug("flushing %d packets in socket",this.writeBuffer.length);this.transport.send(this.writeBuffer);this.writeBuffer=[]}};Socket.prototype.write=Socket.prototype.send=function(msg){this.sendPacket("message",msg);return this};Socket.prototype.sendPacket=function(type,data){var packet={type:type,data:data};this.emit("packetCreate",packet);this.writeBuffer.push(packet);this.flush()};Socket.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.onClose("forced close");debug("socket closing - telling transport to close");this.transport.close();this.transport.removeAllListeners()}return this};Socket.prototype.onError=function(err){this.emit("error",err);this.onClose("transport error",err)};Socket.prototype.onClose=function(reason,desc){if("closed"!=this.readyState){debug('socket close with reason: "%s"',reason);clearTimeout(this.pingIntervalTimer);clearTimeout(this.pingTimeoutTimer);this.readyState="closed";this.emit("close",reason,desc);this.onclose&&this.onclose.call(this);this.id=null}};function rnd(){return String(Math.random()).substr(5)+String(Math.random()).substr(5)}});require.register("learnboost-engine.io-client/lib/transport.js",function(module,exports,require){var util=require("./util"),parser=require("./parser"),Emitter=require("./emitter");module.exports=Transport;function Transport(opts){this.path=opts.path;this.host=opts.host;this.port=opts.port;this.secure=opts.secure;this.query=opts.query;this.timestampParam=opts.timestampParam;this.timestampRequests=opts.timestampRequests;this.readyState=""}Emitter(Transport.prototype);Transport.prototype.onError=function(msg,desc){var err=new Error(msg);err.type="TransportError";err.description=desc;this.emit("error",err);return this};Transport.prototype.open=function(){if("closed"==this.readyState||""==this.readyState){this.readyState="opening";this.doOpen()}return this};Transport.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.doClose();this.onClose()}return this};Transport.prototype.send=function(packets){if("open"==this.readyState){this.write(packets)}else{throw new Error("Transport not open")}};Transport.prototype.onOpen=function(){this.readyState="open";this.writable=true;this.emit("open")};Transport.prototype.onData=function(data){this.onPacket(parser.decodePacket(data))};Transport.prototype.onPacket=function(packet){this.emit("packet",packet)};Transport.prototype.onClose=function(){this.readyState="closed";this.emit("close")}});require.register("learnboost-engine.io-client/lib/emitter.js",function(module,exports,require){var Emitter;try{Emitter=require("emitter")}catch(e){Emitter=require("emitter-component")}module.exports=Emitter;Emitter.prototype.addEventListener=Emitter.prototype.on;Emitter.prototype.removeEventListener=Emitter.prototype.off;Emitter.prototype.removeListener=Emitter.prototype.off;Emitter.prototype.removeAllListeners=function(){this._callbacks={}}});require.register("learnboost-engine.io-client/lib/util.js",function(module,exports,require){var pageLoaded=false;var global="undefined"!=typeof window?window:global;exports.inherits=function inherits(a,b){function c(){}c.prototype=b.prototype;a.prototype=new c};exports.keys=Object.keys||function(obj){var ret=[];var has=Object.prototype.hasOwnProperty;for(var i in obj){if(has.call(obj,i)){ret.push(i)}}return ret};exports.on=function(element,event,fn,capture){if(element.attachEvent){element.attachEvent("on"+event,fn)}else if(element.addEventListener){element.addEventListener(event,fn,capture)}};exports.load=function(fn){if(global.document&&document.readyState==="complete"||pageLoaded){return fn()}exports.on(global,"load",fn,false)};if("undefined"!=typeof window){exports.load(function(){pageLoaded=true})}exports.defer=function(fn){if(!exports.ua.webkit||"undefined"!=typeof importScripts){return fn()}exports.load(function(){setTimeout(fn,100)})};var rvalidchars=/^[\],:{}\s]*$/,rvalidescape=/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,rvalidtokens=/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,rvalidbraces=/(?:^|:|,)(?:\s*\[)+/g,rtrimLeft=/^\s+/,rtrimRight=/\s+$/;exports.parseJSON=function(data){if("string"!=typeof data||!data){return null}data=data.replace(rtrimLeft,"").replace(rtrimRight,"");if(global.JSON&&JSON.parse){return JSON.parse(data)}if(rvalidchars.test(data.replace(rvalidescape,"@").replace(rvalidtokens,"]").replace(rvalidbraces,""))){return new Function("return "+data)()}};exports.ua={};exports.ua.hasCORS="undefined"!=typeof XMLHttpRequest&&function(){try{var a=new XMLHttpRequest}catch(e){return false}return a.withCredentials!=undefined}();exports.ua.webkit="undefined"!=typeof navigator&&/webkit/i.test(navigator.userAgent);exports.ua.gecko="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);exports.ua.android="undefined"!=typeof navigator&&/android/i.test(navigator.userAgent);exports.ua.ios="undefined"!=typeof navigator&&/^(iPad|iPhone|iPod)$/.test(navigator.platform);exports.ua.ios6=exports.ua.ios&&/OS 6_/.test(navigator.userAgent);exports.request=function request(xdomain){if("undefined"!=typeof process){var XMLHttpRequest=require("xmlhttprequest").XMLHttpRequest;return new XMLHttpRequest}if(xdomain&&"undefined"!=typeof XDomainRequest&&!exports.ua.hasCORS){return new XDomainRequest}try{if("undefined"!=typeof XMLHttpRequest&&(!xdomain||exports.ua.hasCORS)){return new XMLHttpRequest}}catch(e){}if(!xdomain){try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(e){}}};var re=/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;var parts=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];exports.parseUri=function(str){var m=re.exec(str||""),uri={},i=14;while(i--){uri[parts[i]]=m[i]||""}return uri};exports.qs=function(obj){var str="";for(var i in obj){if(obj.hasOwnProperty(i)){if(str.length)str+="&";str+=i+"="+encodeURIComponent(obj[i])}}return str}});require.register("learnboost-engine.io-client/lib/transports/index.js",function(module,exports,require){var XHR=require("./polling-xhr"),JSONP=require("./polling-jsonp"),websocket=require("./websocket"),flashsocket=require("./flashsocket"),util=require("../util");exports.polling=polling;exports.websocket=websocket;exports.flashsocket=flashsocket;var global="undefined"!=typeof window?window:global;function polling(opts){var xhr,xd=false,isXProtocol=false;if(global.location){var isSSL="https:"==location.protocol;var port=location.port;if(Number(port)!=port){port=isSSL?443:80}xd=opts.host!=location.hostname||port!=opts.port;isXProtocol=opts.secure!=isSSL}xhr=util.request(xd);if(isXProtocol&&global.XDomainRequest&&xhr instanceof global.XDomainRequest){return new JSONP(opts)}if(xhr&&!opts.forceJSONP){return new XHR(opts)}else{return new JSONP(opts)}}});require.register("learnboost-engine.io-client/lib/transports/polling.js",function(module,exports,require){var Transport=require("../transport"),util=require("../util"),parser=require("../parser"),debug=require("debug")("engine.io-client:polling");module.exports=Polling;var global="undefined"!=typeof window?window:global;function Polling(opts){Transport.call(this,opts)}util.inherits(Polling,Transport);Polling.prototype.name="polling";Polling.prototype.doOpen=function(){this.poll()};Polling.prototype.pause=function(onPause){var pending=0;var self=this;this.readyState="pausing";function pause(){debug("paused");self.readyState="paused";onPause()}if(this.polling||!this.writable){var total=0;if(this.polling){debug("we are currently polling - waiting to pause");total++;this.once("pollComplete",function(){debug("pre-pause polling complete");--total||pause()})}if(!this.writable){debug("we are currently writing - waiting to pause");total++;this.once("drain",function(){debug("pre-pause writing complete");--total||pause()})}}else{pause()}};Polling.prototype.poll=function(){debug("polling");this.polling=true;this.doPoll();this.emit("poll")};Polling.prototype.onData=function(data){debug("polling got data %s",data);var packets=parser.decodePayload(data);for(var i=0,l=packets.length;i<l;i++){if("opening"==this.readyState){this.onOpen()}if("close"==packets[i].type){this.onClose();return}this.onPacket(packets[i])}this.polling=false;this.emit("pollComplete");if("open"==this.readyState){this.poll()}else{debug('ignoring poll - transport state "%s"',this.readyState)}};Polling.prototype.doClose=function(){debug("sending close packet");this.send([{type:"close"}])};Polling.prototype.write=function(packets){var self=this;this.writable=false;this.doWrite(parser.encodePayload(packets),function(){self.writable=true;self.emit("drain")})};Polling.prototype.uri=function(){var query=this.query||{};var schema=this.secure?"https":"http";var port="";if(global.ActiveXObject||util.ua.android||util.ua.ios6||this.timestampRequests){query[this.timestampParam]=+new Date}query=util.qs(query);if(this.port&&("https"==schema&&this.port!=443||"http"==schema&&this.port!=80)){port=":"+this.port}if(query.length){query="?"+query}return schema+"://"+this.host+port+this.path+query}});require.register("learnboost-engine.io-client/lib/transports/polling-xhr.js",function(module,exports,require){var Polling=require("./polling"),util=require("../util"),Emitter=require("../emitter"),debug=require("debug")("engine.io-client:polling-xhr");module.exports=XHR;module.exports.Request=Request;var global="undefined"!=typeof window?window:global;var xobject=global[["Active"].concat("Object").join("X")];function empty(){}function XHR(opts){Polling.call(this,opts);if(global.location){this.xd=opts.host!=global.location.hostname||global.location.port!=opts.port}}util.inherits(XHR,Polling);XHR.prototype.doOpen=function(){var self=this;util.defer(function(){Polling.prototype.doOpen.call(self)})};XHR.prototype.request=function(opts){opts=opts||{};opts.uri=this.uri();opts.xd=this.xd;return new Request(opts)};XHR.prototype.doWrite=function(data,fn){var req=this.request({method:"POST",data:data});var self=this;req.on("success",fn);req.on("error",function(err){self.onError("xhr post error",err)});this.sendXhr=req};XHR.prototype.doPoll=function(){debug("xhr poll");var req=this.request();var self=this;req.on("data",function(data){self.onData(data)});req.on("error",function(err){self.onError("xhr poll error",err)});this.pollXhr=req};function Request(opts){this.method=opts.method||"GET";this.uri=opts.uri;this.xd=!!opts.xd;this.async=false!==opts.async;this.data=undefined!=opts.data?opts.data:null;this.create()}Emitter(Request.prototype);Request.prototype.create=function(){var xhr=this.xhr=util.request(this.xd);var self=this;xhr.open(this.method,this.uri,this.async);if("POST"==this.method){try{if(xhr.setRequestHeader){xhr.setRequestHeader("Content-type","text/plain;charset=UTF-8")}else{xhr.contentType="text/plain"}}catch(e){}}if(this.xd&&global.XDomainRequest&&xhr instanceof XDomainRequest){xhr.onerror=function(e){self.onError(e)};xhr.onload=function(){self.onData(xhr.responseText)};xhr.onprogress=empty}else{if("withCredentials"in xhr){xhr.withCredentials=true}xhr.onreadystatechange=function(){var data;try{if(4!=xhr.readyState)return;if(200==xhr.status||1223==xhr.status){data=xhr.responseText}else{self.onError(xhr.status)}}catch(e){self.onError(e)}if(undefined!==data){self.onData(data)}}}debug("sending xhr with url %s | data %s",this.uri,this.data);xhr.send(this.data);if(xobject){this.index=Request.requestsCount++;Request.requests[this.index]=this}};Request.prototype.onSuccess=function(){this.emit("success");this.cleanup()};Request.prototype.onData=function(data){this.emit("data",data);this.onSuccess()};Request.prototype.onError=function(err){this.emit("error",err);this.cleanup()};Request.prototype.cleanup=function(){this.xhr.onreadystatechange=empty;this.xhr.onload=this.xhr.onerror=empty;try{this.xhr.abort()}catch(e){}if(xobject){delete Request.requests[this.index]}this.xhr=null};Request.prototype.abort=function(){this.cleanup()};if(xobject){Request.requestsCount=0;Request.requests={};global.attachEvent("onunload",function(){for(var i in Request.requests){if(Request.requests.hasOwnProperty(i)){Request.requests[i].abort()}}})}});require.register("learnboost-engine.io-client/lib/transports/polling-jsonp.js",function(module,exports,require){var Polling=require("./polling"),util=require("../util");module.exports=JSONPPolling;var global="undefined"!=typeof window?window:global;var rNewline=/\n/g;var callbacks;var index=0;function empty(){}function JSONPPolling(opts){Polling.call(this,opts);if(!callbacks){if(!global.___eio)global.___eio=[];callbacks=global.___eio}this.index=callbacks.length;var self=this;callbacks.push(function(msg){self.onData(msg)});this.query.j=this.index}util.inherits(JSONPPolling,Polling);JSONPPolling.prototype.doOpen=function(){var self=this;util.defer(function(){Polling.prototype.doOpen.call(self)})};JSONPPolling.prototype.doClose=function(){if(this.script){this.script.parentNode.removeChild(this.script);this.script=null}if(this.form){this.form.parentNode.removeChild(this.form);this.form=null}Polling.prototype.doClose.call(this)};JSONPPolling.prototype.doPoll=function(){var script=document.createElement("script");if(this.script){this.script.parentNode.removeChild(this.script);this.script=null}script.async=true;script.src=this.uri();var insertAt=document.getElementsByTagName("script")[0];insertAt.parentNode.insertBefore(script,insertAt);this.script=script;if(util.ua.gecko){setTimeout(function(){var iframe=document.createElement("iframe");document.body.appendChild(iframe);document.body.removeChild(iframe)},100)}};JSONPPolling.prototype.doWrite=function(data,fn){var self=this;if(!this.form){var form=document.createElement("form"),area=document.createElement("textarea"),id=this.iframeId="eio_iframe_"+this.index,iframe;form.className="socketio";form.style.position="absolute";form.style.top="-1000px";form.style.left="-1000px";form.target=id;form.method="POST";form.setAttribute("accept-charset","utf-8");area.name="d";form.appendChild(area);document.body.appendChild(form);this.form=form;this.area=area}this.form.action=this.uri();function complete(){initIframe();fn()}function initIframe(){if(self.iframe){self.form.removeChild(self.iframe)}try{iframe=document.createElement('<iframe name="'+self.iframeId+'">')}catch(e){iframe=document.createElement("iframe");iframe.name=self.iframeId}iframe.id=self.iframeId;self.form.appendChild(iframe);self.iframe=iframe}initIframe();this.area.value=data.replace(rNewline,"\\n");try{this.form.submit()}catch(e){}if(this.iframe.attachEvent){this.iframe.onreadystatechange=function(){if(self.iframe.readyState=="complete"){complete()}}}else{this.iframe.onload=complete}}});require.register("learnboost-engine.io-client/lib/transports/websocket.js",function(module,exports,require){var Transport=require("../transport"),parser=require("../parser"),util=require("../util"),debug=require("debug")("engine.io-client:websocket");module.exports=WS;var global="undefined"!=typeof window?window:global;function WS(opts){Transport.call(this,opts)}util.inherits(WS,Transport);WS.prototype.name="websocket";WS.prototype.doOpen=function(){if(!this.check()){return}var self=this;this.socket=new(ws())(this.uri());this.socket.onopen=function(){self.onOpen()};this.socket.onclose=function(){self.onClose()};this.socket.onmessage=function(ev){self.onData(ev.data)};this.socket.onerror=function(e){self.onError("websocket error",e)}};WS.prototype.write=function(packets){for(var i=0,l=packets.length;i<l;i++){this.socket.send(parser.encodePacket(packets[i]))}};WS.prototype.doClose=function(){if(typeof this.socket!=="undefined"){this.socket.close()}};WS.prototype.uri=function(){var query=this.query||{};var schema=this.secure?"wss":"ws";var port="";if(this.port&&("wss"==schema&&this.port!=443||"ws"==schema&&this.port!=80)){port=":"+this.port}if(this.timestampRequests){query[this.timestampParam]=+new Date}query=util.qs(query);if(query.length){query="?"+query}return schema+"://"+this.host+port+this.path+query};WS.prototype.check=function(){var websocket=ws();return!!websocket&&!("__initialize"in websocket&&this.name===WS.prototype.name)};function ws(){if("undefined"!=typeof process){return require("ws")}return global.WebSocket||global.MozWebSocket}});require.register("learnboost-engine.io-client/lib/transports/flashsocket.js",function(module,exports,require){var WS=require("./websocket"),util=require("../util"),debug=require("debug")("engine.io-client:flashsocket");module.exports=FlashWS;var xobject=global[["Active"].concat("Object").join("X")];function FlashWS(options){WS.call(this,options);this.flashPath=options.flashPath;this.policyPort=options.policyPort}util.inherits(FlashWS,WS);FlashWS.prototype.name="flashsocket";FlashWS.prototype.doOpen=function(){if(!this.check()){return}function log(type){return function(){var str=Array.prototype.join.call(arguments," ");debug("[websocketjs %s] %s",type,str)}}WEB_SOCKET_LOGGER={log:log("debug"),error:log("error")};WEB_SOCKET_SUPPRESS_CROSS_DOMAIN_SWF_ERROR=true;WEB_SOCKET_DISABLE_AUTO_INITIALIZATION=true;if("undefined"==typeof WEB_SOCKET_SWF_LOCATION){WEB_SOCKET_SWF_LOCATION=this.flashPath+"WebSocketMainInsecure.swf"}var deps=[this.flashPath+"web_socket.js"];if("undefined"==typeof swfobject){deps.unshift(this.flashPath+"swfobject.js")}var self=this;load(deps,function(){self.ready(function(){WebSocket.__addTask(function(){WS.prototype.doOpen.call(self)})})})};FlashWS.prototype.doClose=function(){if(!this.socket)return;var self=this;WebSocket.__addTask(function(){WS.prototype.doClose.call(self)})};FlashWS.prototype.write=function(){var self=this,args=arguments;WebSocket.__addTask(function(){WS.prototype.write.apply(self,args)})};FlashWS.prototype.ready=function(fn){if(typeof WebSocket=="undefined"||!("__initialize"in WebSocket)||!swfobject){return}if(swfobject.getFlashPlayerVersion().major<10){return}function init(){if(!FlashWS.loaded){if(843!=self.policyPort){WebSocket.loadFlashPolicyFile("xmlsocket://"+self.host+":"+self.policyPort)}WebSocket.__initialize();FlashWS.loaded=true}fn.call(self)}var self=this;if(document.body){return init()}util.load(init)};FlashWS.prototype.check=function(){if("undefined"!=typeof process){return false}if(typeof WebSocket!="undefined"&&!("__initialize"in WebSocket)){return false}if(xobject){var control=null;try{control=new xobject("ShockwaveFlash.ShockwaveFlash")}catch(e){}if(control){return true}}else{for(var i=0,l=navigator.plugins.length;i<l;i++){for(var j=0,m=navigator.plugins[i].length;j<m;j++){if(navigator.plugins[i][j].description=="Shockwave Flash"){return true}}}}return false};var scripts={};function create(path,fn){if(scripts[path])return fn();var el=document.createElement("script");var loaded=false;debug('loading "%s"',path);el.onload=el.onreadystatechange=function(){if(loaded||scripts[path])return;var rs=el.readyState;if(!rs||"loaded"==rs||"complete"==rs){debug('loaded "%s"',path);el.onload=el.onreadystatechange=null;loaded=true;scripts[path]=true;fn()}};el.async=1;el.src=path;var head=document.getElementsByTagName("head")[0];head.insertBefore(el,head.firstChild)}function load(arr,fn){function process(i){if(!arr[i])return fn();create(arr[i],function(){process(++i)})}process(0)}});require.register("component-json/index.js",function(module,exports,require){module.exports="undefined"==typeof JSON?require("json-fallback"):JSON});require.register("learnboost-socket.io-protocol/index.js",function(module,exports,require){var json;try{json=require("json")}catch(e){json=JSON}exports.protocol=1;exports.types=["CONNECT","DISCONNECT","EVENT","ACK","ERROR"];exports.CONNECT=0;exports.DISCONNECT=1;exports.EVENT=2;exports.ACK=3;exports.ERROR=4;exports.encode=function(obj){var str="";var nsp=false;str+=obj.type;if(obj.nsp&&"/"!=obj.nsp){nsp=true;str+=obj.nsp}if(obj.id){if(nsp){str+=",";nsp=false}str+=obj.id}if(obj.data){if(nsp)str+=",";str+=json.stringify(obj.data)}return str};exports.decode=function(str){var p={};var i=0;p.type=Number(str.charAt(0));if(null==exports.types[p.type])return error();if("/"==str.charAt(i+1)){p.nsp="";while(++i){var c=str.charAt(i);if(","==c)break;p.nsp+=c;if(i+1==str.length)break}}else{p.nsp="/"}var next=str.charAt(i+1);if(""!=next&&Number(next)==next){p.id="";while(++i){var c=str.charAt(i);if(null==c||Number(c)!=c){--i;break}p.id+=str.charAt(i);if(i+1==str.length)break}}if(str.charAt(++i)){try{p.data=json.parse(str.substr(i))}catch(e){return error()}}return p};function error(data){return{type:exports.ERROR,data:"parser error"}}});require.register("component-emitter/index.js",function(module,exports,require){module.exports=Emitter;function Emitter(obj){if(obj)return mixin(obj)}function mixin(obj){for(var key in Emitter.prototype){obj[key]=Emitter.prototype[key]}return obj}Emitter.prototype.on=function(event,fn){this._callbacks=this._callbacks||{};(this._callbacks[event]=this._callbacks[event]||[]).push(fn);return this};Emitter.prototype.once=function(event,fn){var self=this;this._callbacks=this._callbacks||{};function on(){self.off(event,on);fn.apply(this,arguments)}fn._off=on;this.on(event,on);return this};Emitter.prototype.off=function(event,fn){this._callbacks=this._callbacks||{};var callbacks=this._callbacks[event];if(!callbacks)return this;if(1==arguments.length){delete this._callbacks[event];return this}var i=callbacks.indexOf(fn._off||fn);if(~i)callbacks.splice(i,1);return this};Emitter.prototype.emit=function(event){this._callbacks=this._callbacks||{};var args=[].slice.call(arguments,1),callbacks=this._callbacks[event];if(callbacks){callbacks=callbacks.slice(0);for(var i=0,len=callbacks.length;i<len;++i){callbacks[i].apply(this,args)}}return this};Emitter.prototype.listeners=function(event){this._callbacks=this._callbacks||{};return this._callbacks[event]||[]};Emitter.prototype.hasListeners=function(event){return!!this.listeners(event).length}});require.register("component-bind/index.js",function(module,exports,require){var slice=[].slice;module.exports=function(obj,fn){if("string"==typeof fn)fn=obj[fn];if("function"!=typeof fn)throw new Error("bind() requires a function");var args=[].slice.call(arguments,2);return function(){return fn.apply(obj,args.concat(slice.call(arguments)))
}}});require.register("component-json-fallback/index.js",function(module,exports,require){var JSON={};(function(){"use strict";function f(n){return n<10?"0"+n:n}if(typeof Date.prototype.toJSON!=="function"){Date.prototype.toJSON=function(key){return isFinite(this.valueOf())?this.getUTCFullYear()+"-"+f(this.getUTCMonth()+1)+"-"+f(this.getUTCDate())+"T"+f(this.getUTCHours())+":"+f(this.getUTCMinutes())+":"+f(this.getUTCSeconds())+"Z":null};String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(key){return this.valueOf()}}var cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={"\b":"\\b"," ":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},rep;function quote(string){escapable.lastIndex=0;return escapable.test(string)?'"'+string.replace(escapable,function(a){var c=meta[a];return typeof c==="string"?c:"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+string+'"'}function str(key,holder){var i,k,v,length,mind=gap,partial,value=holder[key];if(value&&typeof value==="object"&&typeof value.toJSON==="function"){value=value.toJSON(key)}if(typeof rep==="function"){value=rep.call(holder,key,value)}switch(typeof value){case"string":return quote(value);case"number":return isFinite(value)?String(value):"null";case"boolean":case"null":return String(value);case"object":if(!value){return"null"}gap+=indent;partial=[];if(Object.prototype.toString.apply(value)==="[object Array]"){length=value.length;for(i=0;i<length;i+=1){partial[i]=str(i,value)||"null"}v=partial.length===0?"[]":gap?"[\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"]":"["+partial.join(",")+"]";gap=mind;return v}if(rep&&typeof rep==="object"){length=rep.length;for(i=0;i<length;i+=1){if(typeof rep[i]==="string"){k=rep[i];v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}else{for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}v=partial.length===0?"{}":gap?"{\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"}":"{"+partial.join(",")+"}";gap=mind;return v}}if(typeof JSON.stringify!=="function"){JSON.stringify=function(value,replacer,space){var i;gap="";indent="";if(typeof space==="number"){for(i=0;i<space;i+=1){indent+=" "}}else if(typeof space==="string"){indent=space}rep=replacer;if(replacer&&typeof replacer!=="function"&&(typeof replacer!=="object"||typeof replacer.length!=="number")){throw new Error("JSON.stringify")}return str("",{"":value})}}if(typeof JSON.parse!=="function"){JSON.parse=function(text,reviver){var j;function walk(holder,key){var k,v,value=holder[key];if(value&&typeof value==="object"){for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=walk(value,k);if(v!==undefined){value[k]=v}else{delete value[k]}}}}return reviver.call(holder,key,value)}text=String(text);cx.lastIndex=0;if(cx.test(text)){text=text.replace(cx,function(a){return"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})}if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,""))){j=eval("("+text+")");return typeof reviver==="function"?walk({"":j},""):j}throw new SyntaxError("JSON.parse")}}})();module.exports=JSON});require.register("timoxley-to-array/index.js",function(module,exports,require){module.exports=function toArray(collection){if(typeof collection==="undefined")return[];if(collection===null)return[null];if(collection===window)return[window];if(typeof collection==="string")return[collection];if(Array.isArray(collection))return collection.slice();if(typeof collection.length!="number")return[collection];if(typeof collection==="function")return[collection];var arr=[];for(var i=0;i<collection.length;i++){if(collection.hasOwnProperty(i)||i in collection){arr.push(collection[i])}}if(!arr.length)return[];return arr}});require.register("visionmedia-debug/index.js",function(module,exports,require){if("undefined"==typeof window){module.exports=require("./lib/debug")}else{module.exports=require("./debug")}});require.register("visionmedia-debug/debug.js",function(module,exports,require){module.exports=debug;function debug(name){if(!debug.enabled(name))return function(){};return function(fmt){var curr=new Date;var ms=curr-(debug[name]||curr);debug[name]=curr;fmt=name+" "+fmt+" +"+debug.humanize(ms);window.console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}}debug.names=[];debug.skips=[];debug.enable=function(name){localStorage.debug=name;var split=(name||"").split(/[\s,]+/),len=split.length;for(var i=0;i<len;i++){name=split[i].replace("*",".*?");if(name[0]==="-"){debug.skips.push(new RegExp("^"+name.substr(1)+"$"))}else{debug.names.push(new RegExp("^"+name+"$"))}}};debug.disable=function(){debug.enable("")};debug.humanize=function(ms){var sec=1e3,min=60*1e3,hour=60*min;if(ms>=hour)return(ms/hour).toFixed(1)+"h";if(ms>=min)return(ms/min).toFixed(1)+"m";if(ms>=sec)return(ms/sec|0)+"s";return ms+"ms"};debug.enabled=function(name){for(var i=0,len=debug.skips.length;i<len;i++){if(debug.skips[i].test(name)){return false}}for(var i=0,len=debug.names.length;i<len;i++){if(debug.names[i].test(name)){return true}}return false};if(window.localStorage)debug.enable(localStorage.debug)});require.register("socket.io/lib/index.js",function(module,exports,require){var url=require("./url"),parser=require("socket.io-parser"),Manager=require("./manager");module.exports=exports=lookup;var cache=exports.managers={};function lookup(uri,opts){opts=opts||{};var parsed=url(uri);var href=parsed.href;var io;if(opts.forceNew||false===opts.multiplex){io=Manager(href,opts)}else{var id=parsed.id;if(!cache[id])cache[id]=Manager(href,opts);io=cache[id]}return io.socket(parsed.pathname||"/")}if("undefined"!=typeof process){var read=require("fs").readFileSync;exports.source=read(__dirname+"/../socket.io-client.js")}exports.protocol=parser.protocol;exports.connect=lookup;exports.Manager=require("./manager");exports.Socket=require("./socket");exports.Emitter=require("./emitter")});require.register("socket.io/lib/manager.js",function(module,exports,require){var url=require("./url"),eio=require("./engine"),Socket=require("./socket"),Emitter=require("./emitter"),parser=require("socket.io-parser"),on=require("./on"),debug=require("debug")("socket.io-client:manager"),object,bind;module.exports=Manager;function Manager(socket,opts){if(!(this instanceof Manager))return new Manager(socket,opts);opts=opts||{};opts.path=opts.path||"/socket.io";this.nsps={};this.subs=[];this.reconnection(opts.reconnection);this.reconnectionAttempts(opts.reconnectionAttempts||Infinity);this.reconnectionDelay(opts.reconnectionDelay||1e3);this.reconnectionDelayMax(opts.reconnectionDelayMax||5e3);this.timeout(null==opts.timeout?1e4:opts.timeout);this.readyState="closed";if(!socket||!socket.write)socket=eio(socket,opts);this.engine=socket;this.open()}Emitter(Manager.prototype);Manager.prototype.reconnection=function(v){if(!arguments.length)return this._reconnection;this._reconnection=!!v;return this};Manager.prototype.reconnectionAttempts=function(v){if(!arguments.length)return this._reconnectionAttempts;this._reconnectionAttempts=v;return this};Manager.prototype.reconnectionDelay=function(v){if(!arguments.length)return this._reconnectionDelay;this._reconnectionDelay=v;return this};Manager.prototype.reconnectionDelayMax=function(v){if(!arguments.length)return this._reconnectionDelayMax;this._reconnectionDelayMax=v;return this};Manager.prototype.timeout=function(v){if(!arguments.length)return this._timeout;this._timeout=v;return this};Manager.prototype.open=Manager.prototype.connect=function(fn){if(~this.readyState.indexOf("open"))return this;var socket=this.engine;var self=this;var timerSub;this.readyState="opening";var openSub=on(socket,"open",bind(this,"onopen"));var errorSub=on(socket,"error",function(data){self.cleanup();self.emit("connect_error",data);if(fn){var err=new Error("Connection error");err.data=data;fn(err)}});if(false!==this._timeout){var timeout=this._timeout;debug("connect attempt will timeout after %d",timeout);var timer=setTimeout(function(){debug("connect attempt timed out after %d",timeout);openSub.destroy();errorSub.destroy();socket.close();socket.emit("error","timeout");self.emit("connect_timeout",timeout)},timeout);timerSub={destroy:function(){clearTimeout(timer)}};this.subs.push(timerSub)}this.subs.push(openSub);this.subs.push(errorSub);return this};Manager.prototype.onopen=function(){this.cleanup();this.readyState="open";this.emit("open");var socket=this.engine;this.subs.push(on(socket,"data",bind(this,"ondata")));this.subs.push(on(socket,"error",bind(this,"onerror")));this.subs.push(on(socket,"close",bind(this,"onclose")))};Manager.prototype.ondata=function(data){this.emit("packet",parser.decode(data))};Manager.prototype.onerror=function(err){this.emit("error",err)};Manager.prototype.socket=function(nsp){var socket=this.nsps[nsp];if(!socket){socket=new Socket(this,nsp);this.nsps[nsp]=socket}return socket};Manager.prototype.destroy=function(socket){delete this.nsps[socket.nsp];if(!object.length(this.nsps)){this.close()}};Manager.prototype.cleanup=function(){var sub;while(sub=this.subs.shift())sub.destroy()};Manager.prototype.close=Manager.prototype.disconnect=function(){this.skipReconnect=true;this.cleanup();this.engine.close()};Manager.prototype.onclose=function(){this.cleanup();if(!this.skipReconnect){var self=this;this.reconnect()}};Manager.prototype.reconnect=function(){var self=this;this.attempts++;if(this.attempts>this._reconnectionAttempts){this.emit("reconnect_failed");this.reconnecting=false}else{var delay=this.attempts*this._reconnectionDelay;delay=Math.min(delay,this._reconnectionDelayMax);debug("will wait %d before reconnect attempt",delay);this.reconnecting=true;var timer=setTimeout(function(){debug("attemptign reconnect");self.open(function(err){if(err){debug("reconnect attempt error");self.reconnect();return self.emit("reconnect_error",err.data)}else{debug("reconnect success");self.onreconnect()}})},delay);this.subs.push({destroy:function(){clearTimeout(timer)}})}};Manager.prototype.onreconnect=function(){var attempt=this.attempts;this.attempts=0;this.reconnecting=false;this.emit("reconnect",attempt)};try{bind=require("bind");object=require("object")}catch(e){bind=require("bind-component");object=require("object-component")}});require.register("socket.io/lib/engine.js",function(module,exports,require){var engine;try{engine=require("engine.io-client")}catch(e){engine=require("engine.io")}module.exports=engine});require.register("socket.io/lib/socket.js",function(module,exports,require){var parser=require("socket.io-parser"),Emitter=require("./emitter"),toArray=require("to-array"),debug=require("debug")("socket.io-client:socket"),on=require("./on"),bind;module.exports=exports=Socket;var events=exports.events=["connect","disconnect","error"];var emit=Emitter.prototype.emit;function Socket(io,nsp){this.io=io;this.nsp=nsp;this.json=this;this.ids=0;this.acks={};this.open();this.buffer=[];this.connected=false}Emitter(Socket.prototype);Socket.prototype.open=Socket.prototype.connect=function(){var io=this.io;io.open();if("open"==this.io.readyState)this.onopen();this.subs=[on(io,"open",bind(this,"onopen")),on(io,"error",bind(this,"onerror"))]};Socket.prototype.send=function(){var args=toArray(arguments);args.shift("message");this.emit.apply(this,args);return this};Socket.prototype.emit=function(ev){if(~events.indexOf(ev)){emit.apply(this,arguments)}else{var args=toArray(arguments);var packet={type:parser.EVENT,args:args};if("function"==typeof args[args.length-1]){debug("emitting packet with ack id %d",this.ids);this.acks[this.ids]=args.pop();packet.id=this.ids++}this.packet(packet)}return this};Socket.prototype.packet=function(packet){packet.nsp=this.nsp;this.io.write(parser.encode(packet))};Socket.prototype.onerror=function(data){this.emit("error",data)};Socket.prototype.onopen=function(){var io=this.io;this.subs.push(on(io,"packet",bind(this,"onpacket")),on(io,"close",bind(this,"onclose")))};Socket.prototype.onclose=function(reason){debug("close (%s)",reason);this.emit("disconnect",reason)};Socket.prototype.onpacket=function(packet){if(packet.nsp!=this.nsp)return;switch(packet.type){case parser.CONNECT:this.onconnect();break;case parser.EVENT:this.onevent(packet);break;case parser.ACK:this.onack(packet);break;case parser.DISCONNECT:this.ondisconnect();break;case parser.ERROR:this.emit("error",packet.data);break}};Socket.prototype.onevent=function(packet){var args=packet.data||[];debug("emitting event %j",args);if(packet.id){debug("attaching ack callback to event");args.push(this.ack(packet.id))}if(this.connected){emit.apply(this,args)}else{this.buffer.push(args)}};Socket.prototype.ack=function(){var self=this;var sent=false;return function(){if(sent)return;var args=toArray(arguments);debug("sending ack %j",args);self.packet({type:parser.ACK,data:args})}};Socket.prototype.onack=function(packet){debug("calling ack %s with %j",packet.id,packet.data);this.acks[packet.id].apply(this,packet.data);delete this.acks[packet.id]};Socket.prototype.onconnect=function(){this.emit("connect");this.connected=true;this.emitBuffered()};Socket.prototype.emitBuffered=function(){for(var i=0;i<this.buffer.length;i++){emit.apply(this,this.buffer[i])}this.buffer=[]};Socket.prototype.ondisconnect=function(){debug("server disconnect (%s)",this.nsp);this.destroy()};Socket.prototype.destroy=function(){debug("destroying socket (%s)",this.nsp);for(var i=0;i<this.subs.length;i++){this.subs[i].destroy()}this.io.destroy(this)};Socket.prototype.close=Socket.prototype.disconnect=function(){debug("performing disconnect (%s)",this.nsp);this.packet(parser.PACKET_DISCONNECT);for(var i=0;i<this.subs.length;i++){this.subs[i].destroy()}this.io.destroy(this);this.onclose("io client disconnect");return this};try{bind=require("bind")}catch(e){bind=require("bind-component")}});require.register("socket.io/lib/emitter.js",function(module,exports,require){var Emitter;try{Emitter=require("emitter")}catch(e){Emitter=require("emitter-component")}module.exports=Emitter;Emitter.prototype.removeListener=function(event,fn){return this.off(event,fn)};Emitter.prototype.removeAllListeners=function(){this._callbacks={};return this}});require.alias("learnboost-engine.io-client/lib/index.js","socket.io/deps/engine.io/lib/index.js");require.alias("learnboost-engine.io-client/lib/parser.js","socket.io/deps/engine.io/lib/parser.js");require.alias("learnboost-engine.io-client/lib/socket.js","socket.io/deps/engine.io/lib/socket.js");require.alias("learnboost-engine.io-client/lib/transport.js","socket.io/deps/engine.io/lib/transport.js");require.alias("learnboost-engine.io-client/lib/emitter.js","socket.io/deps/engine.io/lib/emitter.js");require.alias("learnboost-engine.io-client/lib/util.js","socket.io/deps/engine.io/lib/util.js");require.alias("learnboost-engine.io-client/lib/transports/index.js","socket.io/deps/engine.io/lib/transports/index.js");require.alias("learnboost-engine.io-client/lib/transports/polling.js","socket.io/deps/engine.io/lib/transports/polling.js");require.alias("learnboost-engine.io-client/lib/transports/polling-xhr.js","socket.io/deps/engine.io/lib/transports/polling-xhr.js");require.alias("learnboost-engine.io-client/lib/transports/polling-jsonp.js","socket.io/deps/engine.io/lib/transports/polling-jsonp.js");require.alias("learnboost-engine.io-client/lib/transports/websocket.js","socket.io/deps/engine.io/lib/transports/websocket.js");require.alias("learnboost-engine.io-client/lib/transports/flashsocket.js","socket.io/deps/engine.io/lib/transports/flashsocket.js");require.alias("learnboost-engine.io-client/lib/index.js","socket.io/deps/engine.io/index.js");require.alias("component-emitter/index.js","learnboost-engine.io-client/deps/emitter/index.js");require.alias("visionmedia-debug/index.js","learnboost-engine.io-client/deps/debug/index.js");require.alias("visionmedia-debug/debug.js","learnboost-engine.io-client/deps/debug/debug.js");require.alias("learnboost-socket.io-protocol/index.js","socket.io/deps/socket.io-parser/index.js");require.alias("component-json/index.js","learnboost-socket.io-protocol/deps/json/index.js");require.alias("component-emitter/index.js","socket.io/deps/emitter/index.js");require.alias("component-bind/index.js","socket.io/deps/bind/index.js");require.alias("component-json-fallback/index.js","socket.io/deps/json-fallback/index.js");require.alias("timoxley-to-array/index.js","socket.io/deps/to-array/index.js");require.alias("visionmedia-debug/index.js","socket.io/deps/debug/index.js");require.alias("visionmedia-debug/debug.js","socket.io/deps/debug/debug.js");if("undefined"==typeof module){window.eio=require("socket.io")}else{module.exports=require("socket.io")}})();