socket.js

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.io=e()}}(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(_dereq_,module,exports){module.exports=_dereq_("./lib/")},{"./lib/":2}],2:[function(_dereq_,module,exports){var url=_dereq_("./url");var parser=_dereq_("socket.io-parser");var Manager=_dereq_("./manager");var debug=_dereq_("debug")("socket.io-client");module.exports=exports=lookup;var cache=exports.managers={};function lookup(uri,opts){if(typeof uri=="object"){opts=uri;uri=undefined}opts=opts||{};var parsed=url(uri);var source=parsed.source;var id=parsed.id;var io;if(opts.forceNew||opts["force new connection"]||false===opts.multiplex){debug("ignoring socket cache for %s",source);io=Manager(source,opts)}else{if(!cache[id]){debug("new io instance for %s",source);cache[id]=Manager(source,opts)}io=cache[id]}return io.socket(parsed.path)}exports.protocol=parser.protocol;exports.connect=lookup;exports.Manager=_dereq_("./manager");exports.Socket=_dereq_("./socket")},{"./manager":3,"./socket":5,"./url":6,debug:9,"socket.io-parser":40}],3:[function(_dereq_,module,exports){var url=_dereq_("./url");var eio=_dereq_("engine.io-client");var Socket=_dereq_("./socket");var Emitter=_dereq_("component-emitter");var parser=_dereq_("socket.io-parser");var on=_dereq_("./on");var bind=_dereq_("component-bind");var object=_dereq_("object-component");var debug=_dereq_("debug")("socket.io-client:manager");var indexOf=_dereq_("indexof");module.exports=Manager;function Manager(uri,opts){if(!(this instanceof Manager))return new Manager(uri,opts);if(uri&&"object"==typeof uri){opts=uri;uri=undefined}opts=opts||{};opts.path=opts.path||"/socket.io";this.nsps={};this.subs=[];this.opts=opts;this.reconnection(opts.reconnection!==false);this.reconnectionAttempts(opts.reconnectionAttempts||Infinity);this.reconnectionDelay(opts.reconnectionDelay||1e3);this.reconnectionDelayMax(opts.reconnectionDelayMax||5e3);this.timeout(null==opts.timeout?2e4:opts.timeout);this.readyState="closed";this.uri=uri;this.connected=[];this.attempts=0;this.encoding=false;this.packetBuffer=[];this.encoder=new parser.Encoder;this.decoder=new parser.Decoder;this.autoConnect=opts.autoConnect!==false;if(this.autoConnect)this.open()}Manager.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var nsp in this.nsps){this.nsps[nsp].emit.apply(this.nsps[nsp],arguments)}};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.maybeReconnectOnOpen=function(){if(!this.openReconnect&&!this.reconnecting&&this._reconnection&&this.attempts===0){this.openReconnect=true;this.reconnect()}};Manager.prototype.open=Manager.prototype.connect=function(fn){debug("readyState %s",this.readyState);if(~this.readyState.indexOf("open"))return this;debug("opening %s",this.uri);this.engine=eio(this.uri,this.opts);var socket=this.engine;var self=this;this.readyState="opening";this.skipReconnect=false;var openSub=on(socket,"open",function(){self.onopen();fn&&fn()});var errorSub=on(socket,"error",function(data){debug("connect_error");self.cleanup();self.readyState="closed";self.emitAll("connect_error",data);if(fn){var err=new Error("Connection error");err.data=data;fn(err)}self.maybeReconnectOnOpen()});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();socket.close();socket.emit("error","timeout");self.emitAll("connect_timeout",timeout)},timeout);this.subs.push({destroy:function(){clearTimeout(timer)}})}this.subs.push(openSub);this.subs.push(errorSub);return this};Manager.prototype.onopen=function(){debug("open");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(this.decoder,"decoded",bind(this,"ondecoded")));this.subs.push(on(socket,"error",bind(this,"onerror")));this.subs.push(on(socket,"close",bind(this,"onclose")))};Manager.prototype.ondata=function(data){this.decoder.add(data)};Manager.prototype.ondecoded=function(packet){this.emit("packet",packet)};Manager.prototype.onerror=function(err){debug("error",err);this.emitAll("error",err)};Manager.prototype.socket=function(nsp){var socket=this.nsps[nsp];if(!socket){socket=new Socket(this,nsp);this.nsps[nsp]=socket;var self=this;socket.on("connect",function(){if(!~indexOf(self.connected,socket)){self.connected.push(socket)}})}return socket};Manager.prototype.destroy=function(socket){var index=indexOf(this.connected,socket);if(~index)this.connected.splice(index,1);if(this.connected.length)return;this.close()};Manager.prototype.packet=function(packet){debug("writing packet %j",packet);var self=this;if(!self.encoding){self.encoding=true;this.encoder.encode(packet,function(encodedPackets){for(var i=0;i<encodedPackets.length;i++){self.engine.write(encodedPackets[i])}self.encoding=false;self.processPacketQueue()})}else{self.packetBuffer.push(packet)}};Manager.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var pack=this.packetBuffer.shift();this.packet(pack)}};Manager.prototype.cleanup=function(){var sub;while(sub=this.subs.shift())sub.destroy();this.packetBuffer=[];this.encoding=false;this.decoder.destroy()};Manager.prototype.close=Manager.prototype.disconnect=function(){this.skipReconnect=true;this.readyState="closed";this.engine&&this.engine.close()};Manager.prototype.onclose=function(reason){debug("close");this.cleanup();this.readyState="closed";this.emit("close",reason);if(this._reconnection&&!this.skipReconnect){this.reconnect()}};Manager.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var self=this;this.attempts++;if(this.attempts>this._reconnectionAttempts){debug("reconnect failed");this.emitAll("reconnect_failed");this.reconnecting=false}else{var delay=this.attempts*this.reconnectionDelay();delay=Math.min(delay,this.reconnectionDelayMax());debug("will wait %dms before reconnect attempt",delay);this.reconnecting=true;var timer=setTimeout(function(){if(self.skipReconnect)return;debug("attempting reconnect");self.emitAll("reconnect_attempt",self.attempts);self.emitAll("reconnecting",self.attempts);if(self.skipReconnect)return;self.open(function(err){if(err){debug("reconnect attempt error");self.reconnecting=false;self.reconnect();self.emitAll("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.emitAll("reconnect",attempt)}},{"./on":4,"./socket":5,"./url":6,"component-bind":7,"component-emitter":8,debug:9,"engine.io-client":10,indexof:36,"object-component":37,"socket.io-parser":40}],4:[function(_dereq_,module,exports){module.exports=on;function on(obj,ev,fn){obj.on(ev,fn);return{destroy:function(){obj.removeListener(ev,fn)}}}},{}],5:[function(_dereq_,module,exports){var parser=_dereq_("socket.io-parser");var Emitter=_dereq_("component-emitter");var toArray=_dereq_("to-array");var on=_dereq_("./on");var bind=_dereq_("component-bind");var debug=_dereq_("debug")("socket.io-client:socket");var hasBin=_dereq_("has-binary");module.exports=exports=Socket;var events={connect:1,connect_error:1,connect_timeout:1,disconnect:1,error:1,reconnect:1,reconnect_attempt:1,reconnect_failed:1,reconnect_error:1,reconnecting:1};var emit=Emitter.prototype.emit;function Socket(io,nsp){this.io=io;this.nsp=nsp;this.json=this;this.ids=0;this.acks={};if(this.io.autoConnect)this.open();this.receiveBuffer=[];this.sendBuffer=[];this.connected=false;this.disconnected=true}Emitter(Socket.prototype);Socket.prototype.subEvents=function(){if(this.subs)return;var io=this.io;this.subs=[on(io,"open",bind(this,"onopen")),on(io,"packet",bind(this,"onpacket")),on(io,"close",bind(this,"onclose"))]};Socket.prototype.open=Socket.prototype.connect=function(){if(this.connected)return this;this.subEvents();this.io.open();if("open"==this.io.readyState)this.onopen();return this};Socket.prototype.send=function(){var args=toArray(arguments);args.unshift("message");this.emit.apply(this,args);return this};Socket.prototype.emit=function(ev){if(events.hasOwnProperty(ev)){emit.apply(this,arguments);return this}var args=toArray(arguments);var parserType=parser.EVENT;if(hasBin(args)){parserType=parser.BINARY_EVENT}var packet={type:parserType,data: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++}if(this.connected){this.packet(packet)}else{this.sendBuffer.push(packet)}return this};Socket.prototype.packet=function(packet){packet.nsp=this.nsp;this.io.packet(packet)};Socket.prototype.onopen=function(){debug("transport is open - connecting");if("/"!=this.nsp){this.packet({type:parser.CONNECT})}};Socket.prototype.onclose=function(reason){debug("close (%s)",reason);this.connected=false;this.disconnected=true;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.BINARY_EVENT:this.onevent(packet);break;case parser.ACK:this.onack(packet);break;case parser.BINARY_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(null!=packet.id){debug("attaching ack callback to event");args.push(this.ack(packet.id))}if(this.connected){emit.apply(this,args)}else{this.receiveBuffer.push(args)}};Socket.prototype.ack=function(id){var self=this;var sent=false;return function(){if(sent)return;sent=true;var args=toArray(arguments);debug("sending ack %j",args);var type=hasBin(args)?parser.BINARY_ACK:parser.ACK;self.packet({type:type,id:id,data:args})}};Socket.prototype.onack=function(packet){debug("calling ack %s with %j",packet.id,packet.data);var fn=this.acks[packet.id];fn.apply(this,packet.data);delete this.acks[packet.id]};Socket.prototype.onconnect=function(){this.connected=true;this.disconnected=false;this.emit("connect");this.emitBuffered()};Socket.prototype.emitBuffered=function(){var i;for(i=0;i<this.receiveBuffer.length;i++){emit.apply(this,this.receiveBuffer[i])}this.receiveBuffer=[];for(i=0;i<this.sendBuffer.length;i++){this.packet(this.sendBuffer[i])}this.sendBuffer=[]};Socket.prototype.ondisconnect=function(){debug("server disconnect (%s)",this.nsp);this.destroy();this.onclose("io server disconnect")};Socket.prototype.destroy=function(){if(this.subs){for(var i=0;i<this.subs.length;i++){this.subs[i].destroy()}this.subs=null}this.io.destroy(this)};Socket.prototype.close=Socket.prototype.disconnect=function(){if(this.connected){debug("performing disconnect (%s)",this.nsp);this.packet({type:parser.DISCONNECT})}this.destroy();if(this.connected){this.onclose("io client disconnect")}return this}},{"./on":4,"component-bind":7,"component-emitter":8,debug:9,"has-binary":32,"socket.io-parser":40,"to-array":44}],6:[function(_dereq_,module,exports){(function(global){var parseuri=_dereq_("parseuri");var debug=_dereq_("debug")("socket.io-client:url");module.exports=url;function url(uri,loc){var obj=uri;var loc=loc||global.location;if(null==uri)uri=loc.protocol+"//"+loc.hostname;if("string"==typeof uri){if("/"==uri.charAt(0)){if("/"==uri.charAt(1)){uri=loc.protocol+uri}else{uri=loc.hostname+uri}}if(!/^(https?|wss?):\/\//.test(uri)){debug("protocol-less url %s",uri);if("undefined"!=typeof loc){uri=loc.protocol+"//"+uri}else{uri="https://"+uri}}debug("parse %s",uri);obj=parseuri(uri)}if(!obj.port){if(/^(http|ws)$/.test(obj.protocol)){obj.port="80"}else if(/^(http|ws)s$/.test(obj.protocol)){obj.port="443"}}obj.path=obj.path||"/";obj.id=obj.protocol+"://"+obj.host+":"+obj.port;obj.href=obj.protocol+"://"+obj.host+(loc&&loc.port==obj.port?"":":"+obj.port);return obj}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{debug:9,parseuri:38}],7:[function(_dereq_,module,exports){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)))}}},{}],8:[function(_dereq_,module,exports){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=Emitter.prototype.addEventListener=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)}on.fn=fn;this.on(event,on);return this};Emitter.prototype.off=Emitter.prototype.removeListener=Emitter.prototype.removeAllListeners=Emitter.prototype.removeEventListener=function(event,fn){this._callbacks=this._callbacks||{};if(0==arguments.length){this._callbacks={};return this}var callbacks=this._callbacks[event];if(!callbacks)return this;if(1==arguments.length){delete this._callbacks[event];return this}var cb;for(var i=0;i<callbacks.length;i++){cb=callbacks[i];if(cb===fn||cb.fn===fn){callbacks.splice(i,1);break}}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}},{}],9:[function(_dereq_,module,exports){module.exports=debug;function debug(name){if(!debug.enabled(name))return function(){};return function(fmt){fmt=coerce(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){try{localStorage.debug=name}catch(e){}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};function coerce(val){if(val instanceof Error)return val.stack||val.message;return val}try{if(window.localStorage)debug.enable(localStorage.debug)}catch(e){}},{}],10:[function(_dereq_,module,exports){module.exports=_dereq_("./lib/")},{"./lib/":11}],11:[function(_dereq_,module,exports){module.exports=_dereq_("./socket");module.exports.parser=_dereq_("engine.io-parser")},{"./socket":12,"engine.io-parser":21}],12:[function(_dereq_,module,exports){(function(global){var transports=_dereq_("./transports");var Emitter=_dereq_("component-emitter");var debug=_dereq_("debug")("engine.io-client:socket");var index=_dereq_("indexof");var parser=_dereq_("engine.io-parser");var parseuri=_dereq_("parseuri");var parsejson=_dereq_("parsejson");var parseqs=_dereq_("parseqs");module.exports=Socket;function noop(){}function Socket(uri,opts){if(!(this instanceof Socket))return new Socket(uri,opts);opts=opts||{};if(uri&&"object"==typeof uri){opts=uri;uri=null}if(uri){uri=parseuri(uri);opts.host=uri.host;opts.secure=uri.protocol=="https"||uri.protocol=="wss";opts.port=uri.port;if(uri.query)opts.query=uri.query}this.secure=null!=opts.secure?opts.secure:global.location&&"https:"==location.protocol;if(opts.host){var pieces=opts.host.split(":");opts.hostname=pieces.shift();if(pieces.length)opts.port=pieces.pop()}this.agent=opts.agent||false;this.hostname=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||{};if("string"==typeof this.query)this.query=parseqs.decode(this.query);this.upgrade=false!==opts.upgrade;this.path=(opts.path||"/engine.io").replace(/\/$/,"")+"/";this.forceJSONP=!!opts.forceJSONP;this.jsonp=false!==opts.jsonp;this.forceBase64=!!opts.forceBase64;this.enablesXDR=!!opts.enablesXDR;this.timestampParam=opts.timestampParam||"t";this.timestampRequests=opts.timestampRequests;this.transports=opts.transports||["polling","websocket"];this.readyState="";this.writeBuffer=[];this.callbackBuffer=[];this.policyPort=opts.policyPort||843;this.rememberUpgrade=opts.rememberUpgrade||false;this.open();this.binaryType=null;this.onlyBinaryUpgrades=opts.onlyBinaryUpgrades}Socket.priorWebsocketSuccess=false;Emitter(Socket.prototype);Socket.protocol=parser.protocol;Socket.Socket=Socket;Socket.Transport=_dereq_("./transport");Socket.transports=_dereq_("./transports");Socket.parser=_dereq_("engine.io-parser");Socket.prototype.createTransport=function(name){debug('creating transport "%s"',name);var query=clone(this.query);query.EIO=parser.protocol;query.transport=name;if(this.id)query.sid=this.id;var transport=new transports[name]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:query,forceJSONP:this.forceJSONP,jsonp:this.jsonp,forceBase64:this.forceBase64,enablesXDR:this.enablesXDR,timestampRequests:this.timestampRequests,timestampParam:this.timestampParam,policyPort:this.policyPort,socket:this});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(){var transport;if(this.rememberUpgrade&&Socket.priorWebsocketSuccess&&this.transports.indexOf("websocket")!=-1){transport="websocket"}else if(0==this.transports.length){var self=this;setTimeout(function(){self.emit("error","No transports available")},0);return}else{transport=this.transports[0]}this.readyState="opening";var transport;try{transport=this.createTransport(transport)}catch(e){this.transports.shift();this.open();return}transport.open();this.setTransport(transport)};Socket.prototype.setTransport=function(transport){debug("setting transport %s",transport.name);var self=this;if(this.transport){debug("clearing existing transport %s",this.transport.name);this.transport.removeAllListeners()}this.transport=transport;transport.on("drain",function(){self.onDrain()}).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;Socket.priorWebsocketSuccess=false;function onTransportOpen(){if(self.onlyBinaryUpgrades){var upgradeLosesBinary=!this.supportsBinary&&self.transport.supportsBinary;failed=failed||upgradeLosesBinary}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);if(!transport)return;Socket.priorWebsocketSuccess="websocket"==transport.name;debug('pausing current transport "%s"',self.transport.name);self.transport.pause(function(){if(failed)return;if("closed"==self.readyState)return;debug("changing transport and sending upgrade packet");cleanup();self.setTransport(transport);transport.send([{type:"upgrade"}]);self.emit("upgrade",transport);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("upgradeError",err)}})}function freezeTransport(){if(failed)return;failed=true;cleanup();transport.close();transport=null}function onerror(err){var error=new Error("probe error: "+err);error.transport=transport.name;freezeTransport();debug('probe transport "%s" failed because of error: %s',name,err);self.emit("upgradeError",error)}function onTransportClose(){onerror("transport closed")}function onclose(){onerror("socket closed")}function onupgrade(to){if(transport&&to.name!=transport.name){debug('"%s" works - aborting "%s"',to.name,transport.name);freezeTransport()}}function cleanup(){transport.removeListener("open",onTransportOpen);transport.removeListener("error",onerror);transport.removeListener("close",onTransportClose);self.removeListener("close",onclose);self.removeListener("upgrading",onupgrade)}transport.once("open",onTransportOpen);transport.once("error",onerror);transport.once("close",onTransportClose);this.once("close",onclose);this.once("upgrading",onupgrade);transport.open()};Socket.prototype.onOpen=function(){debug("socket open");this.readyState="open";Socket.priorWebsocketSuccess="websocket"==this.transport.name;this.emit("open");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(parsejson(packet.data));break;case"pong":this.setPing();break;case"error":var err=new Error("server error");err.code=packet.data;this.emit("error",err);break;case"message":this.emit("data",packet.data);this.emit("message",packet.data);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=this.filterUpgrades(data.upgrades);this.pingInterval=data.pingInterval;this.pingTimeout=data.pingTimeout;this.onOpen();if("closed"==this.readyState)return;this.setPing();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.setPing=function(){var self=this;clearTimeout(self.pingIntervalTimer);self.pingIntervalTimer=setTimeout(function(){debug("writing ping packet - expecting pong within %sms",self.pingTimeout);self.ping();self.onHeartbeat(self.pingTimeout)},self.pingInterval)};Socket.prototype.ping=function(){this.sendPacket("ping")};Socket.prototype.onDrain=function(){for(var i=0;i<this.prevBufferLen;i++){if(this.callbackBuffer[i]){this.callbackBuffer[i]()}}this.writeBuffer.splice(0,this.prevBufferLen);this.callbackBuffer.splice(0,this.prevBufferLen);this.prevBufferLen=0;if(this.writeBuffer.length==0){this.emit("drain")}else{this.flush()}};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.prevBufferLen=this.writeBuffer.length;this.emit("flush")}};Socket.prototype.write=Socket.prototype.send=function(msg,fn){this.sendPacket("message",msg,fn);return this};Socket.prototype.sendPacket=function(type,data,fn){if("closing"==this.readyState||"closed"==this.readyState){return}var packet={type:type,data:data};this.emit("packetCreate",packet);this.writeBuffer.push(packet);this.callbackBuffer.push(fn);this.flush()};Socket.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var self=this;function close(){self.onClose("forced close");debug("socket closing - telling transport to close");self.transport.close()}function cleanupAndClose(){self.removeListener("upgrade",cleanupAndClose);self.removeListener("upgradeError",cleanupAndClose);close()}function waitForUpgrade(){self.once("upgrade",cleanupAndClose);self.once("upgradeError",cleanupAndClose)}if(this.writeBuffer.length){this.once("drain",function(){if(this.upgrading){waitForUpgrade()}else{close()}})}else if(this.upgrading){waitForUpgrade()}else{close()}}return this};Socket.prototype.onError=function(err){debug("socket error %j",err);Socket.priorWebsocketSuccess=false;this.emit("error",err);this.onClose("transport error",err)};Socket.prototype.onClose=function(reason,desc){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){debug('socket close with reason: "%s"',reason);var self=this;clearTimeout(this.pingIntervalTimer);clearTimeout(this.pingTimeoutTimer);setTimeout(function(){self.writeBuffer=[];self.callbackBuffer=[];self.prevBufferLen=0},0);this.transport.removeAllListeners("close");this.transport.close();this.transport.removeAllListeners();this.readyState="closed";this.id=null;this.emit("close",reason,desc)}};Socket.prototype.filterUpgrades=function(upgrades){var filteredUpgrades=[];for(var i=0,j=upgrades.length;i<j;i++){if(~index(this.transports,upgrades[i]))filteredUpgrades.push(upgrades[i])}return filteredUpgrades}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./transport":13,"./transports":14,"component-emitter":8,debug:9,"engine.io-parser":21,indexof:36,parsejson:28,parseqs:29,parseuri:30}],13:[function(_dereq_,module,exports){var parser=_dereq_("engine.io-parser");var Emitter=_dereq_("component-emitter");module.exports=Transport;function Transport(opts){this.path=opts.path;this.hostname=opts.hostname;this.port=opts.port;this.secure=opts.secure;this.query=opts.query;this.timestampParam=opts.timestampParam;this.timestampRequests=opts.timestampRequests;this.readyState="";this.agent=opts.agent||false;this.socket=opts.socket;this.enablesXDR=opts.enablesXDR}Emitter(Transport.prototype);Transport.timestamps=0;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){var packet=parser.decodePacket(data,this.socket.binaryType);this.onPacket(packet)};Transport.prototype.onPacket=function(packet){this.emit("packet",packet)};Transport.prototype.onClose=function(){this.readyState="closed";this.emit("close")}},{"component-emitter":8,"engine.io-parser":21}],14:[function(_dereq_,module,exports){(function(global){var XMLHttpRequest=_dereq_("xmlhttprequest");var XHR=_dereq_("./polling-xhr");var JSONP=_dereq_("./polling-jsonp");var websocket=_dereq_("./websocket");exports.polling=polling;exports.websocket=websocket;function polling(opts){var xhr;var xd=false;var xs=false;var jsonp=false!==opts.jsonp;if(global.location){var isSSL="https:"==location.protocol;var port=location.port;if(!port){port=isSSL?443:80}xd=opts.hostname!=location.hostname||port!=opts.port;xs=opts.secure!=isSSL}opts.xdomain=xd;opts.xscheme=xs;xhr=new XMLHttpRequest(opts);if("open"in xhr&&!opts.forceJSONP){return new XHR(opts)}else{if(!jsonp)throw new Error("JSONP disabled");return new JSONP(opts)}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./polling-jsonp":15,"./polling-xhr":16,"./websocket":18,xmlhttprequest:19}],15:[function(_dereq_,module,exports){(function(global){var Polling=_dereq_("./polling");var inherit=_dereq_("component-inherit");module.exports=JSONPPolling;var rNewline=/\n/g;var rEscapedNewline=/\\n/g;var callbacks;var index=0;function empty(){}function JSONPPolling(opts){Polling.call(this,opts);this.query=this.query||{};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;if(global.document&&global.addEventListener){global.addEventListener("beforeunload",function(){if(self.script)self.script.onerror=empty})}}inherit(JSONPPolling,Polling);JSONPPolling.prototype.supportsBinary=false;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;this.iframe=null}Polling.prototype.doClose.call(this)};JSONPPolling.prototype.doPoll=function(){var self=this;var script=document.createElement("script");if(this.script){this.script.parentNode.removeChild(this.script);this.script=null}script.async=true;script.src=this.uri();script.onerror=function(e){self.onError("jsonp poll error",e)};var insertAt=document.getElementsByTagName("script")[0];insertAt.parentNode.insertBefore(script,insertAt);this.script=script;var isUAgecko="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);if(isUAgecko){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");var area=document.createElement("textarea");var id=this.iframeId="eio_iframe_"+this.index;var 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){try{self.form.removeChild(self.iframe)
}catch(e){self.onError("jsonp polling iframe removal error",e)}}try{var html='<iframe src="javascript:0" name="'+self.iframeId+'">';iframe=document.createElement(html)}catch(e){iframe=document.createElement("iframe");iframe.name=self.iframeId;iframe.src="javascript:0"}iframe.id=self.iframeId;self.form.appendChild(iframe);self.iframe=iframe}initIframe();data=data.replace(rEscapedNewline,"\\\n");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}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./polling":17,"component-inherit":20}],16:[function(_dereq_,module,exports){(function(global){var XMLHttpRequest=_dereq_("xmlhttprequest");var Polling=_dereq_("./polling");var Emitter=_dereq_("component-emitter");var inherit=_dereq_("component-inherit");var debug=_dereq_("debug")("engine.io-client:polling-xhr");module.exports=XHR;module.exports.Request=Request;function empty(){}function XHR(opts){Polling.call(this,opts);if(global.location){var isSSL="https:"==location.protocol;var port=location.port;if(!port){port=isSSL?443:80}this.xd=opts.hostname!=global.location.hostname||port!=opts.port;this.xs=opts.secure!=isSSL}}inherit(XHR,Polling);XHR.prototype.supportsBinary=true;XHR.prototype.request=function(opts){opts=opts||{};opts.uri=this.uri();opts.xd=this.xd;opts.xs=this.xs;opts.agent=this.agent||false;opts.supportsBinary=this.supportsBinary;opts.enablesXDR=this.enablesXDR;return new Request(opts)};XHR.prototype.doWrite=function(data,fn){var isBinary=typeof data!=="string"&&data!==undefined;var req=this.request({method:"POST",data:data,isBinary:isBinary});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.xs=!!opts.xs;this.async=false!==opts.async;this.data=undefined!=opts.data?opts.data:null;this.agent=opts.agent;this.isBinary=opts.isBinary;this.supportsBinary=opts.supportsBinary;this.enablesXDR=opts.enablesXDR;this.create()}Emitter(Request.prototype);Request.prototype.create=function(){var xhr=this.xhr=new XMLHttpRequest({agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR});var self=this;try{debug("xhr open %s: %s",this.method,this.uri);xhr.open(this.method,this.uri,this.async);if(this.supportsBinary){xhr.responseType="arraybuffer"}if("POST"==this.method){try{if(this.isBinary){xhr.setRequestHeader("Content-type","application/octet-stream")}else{xhr.setRequestHeader("Content-type","text/plain;charset=UTF-8")}}catch(e){}}if("withCredentials"in xhr){xhr.withCredentials=true}if(this.hasXDR()){xhr.onload=function(){self.onLoad()};xhr.onerror=function(){self.onError(xhr.responseText)}}else{xhr.onreadystatechange=function(){if(4!=xhr.readyState)return;if(200==xhr.status||1223==xhr.status){self.onLoad()}else{setTimeout(function(){self.onError(xhr.status)},0)}}}debug("xhr data %s",this.data);xhr.send(this.data)}catch(e){setTimeout(function(){self.onError(e)},0);return}if(global.document){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(){if("undefined"==typeof this.xhr||null===this.xhr){return}if(this.hasXDR()){this.xhr.onload=this.xhr.onerror=empty}else{this.xhr.onreadystatechange=empty}try{this.xhr.abort()}catch(e){}if(global.document){delete Request.requests[this.index]}this.xhr=null};Request.prototype.onLoad=function(){var data;try{var contentType;try{contentType=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(e){}if(contentType==="application/octet-stream"){data=this.xhr.response}else{if(!this.supportsBinary){data=this.xhr.responseText}else{data="ok"}}}catch(e){this.onError(e)}if(null!=data){this.onData(data)}};Request.prototype.hasXDR=function(){return"undefined"!==typeof global.XDomainRequest&&!this.xs&&this.enablesXDR};Request.prototype.abort=function(){this.cleanup()};if(global.document){Request.requestsCount=0;Request.requests={};if(global.attachEvent){global.attachEvent("onunload",unloadHandler)}else if(global.addEventListener){global.addEventListener("beforeunload",unloadHandler)}}function unloadHandler(){for(var i in Request.requests){if(Request.requests.hasOwnProperty(i)){Request.requests[i].abort()}}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./polling":17,"component-emitter":8,"component-inherit":20,debug:9,xmlhttprequest:19}],17:[function(_dereq_,module,exports){var Transport=_dereq_("../transport");var parseqs=_dereq_("parseqs");var parser=_dereq_("engine.io-parser");var inherit=_dereq_("component-inherit");var debug=_dereq_("debug")("engine.io-client:polling");module.exports=Polling;var hasXHR2=function(){var XMLHttpRequest=_dereq_("xmlhttprequest");var xhr=new XMLHttpRequest({xdomain:false});return null!=xhr.responseType}();function Polling(opts){var forceBase64=opts&&opts.forceBase64;if(!hasXHR2||forceBase64){this.supportsBinary=false}Transport.call(this,opts)}inherit(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){var self=this;debug("polling got data %s",data);var callback=function(packet,index,total){if("opening"==self.readyState){self.onOpen()}if("close"==packet.type){self.onClose();return false}self.onPacket(packet)};parser.decodePayload(data,this.socket.binaryType,callback);if("closed"!=this.readyState){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(){var self=this;function close(){debug("writing close packet");self.write([{type:"close"}])}if("open"==this.readyState){debug("transport open - closing");close()}else{debug("transport not open - deferring close");this.once("open",close)}};Polling.prototype.write=function(packets){var self=this;this.writable=false;var callbackfn=function(){self.writable=true;self.emit("drain")};var self=this;parser.encodePayload(packets,this.supportsBinary,function(data){self.doWrite(data,callbackfn)})};Polling.prototype.uri=function(){var query=this.query||{};var schema=this.secure?"https":"http";var port="";if(false!==this.timestampRequests){query[this.timestampParam]=+new Date+"-"+Transport.timestamps++}if(!this.supportsBinary&&!query.sid){query.b64=1}query=parseqs.encode(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.hostname+port+this.path+query}},{"../transport":13,"component-inherit":20,debug:9,"engine.io-parser":21,parseqs:29,xmlhttprequest:19}],18:[function(_dereq_,module,exports){var Transport=_dereq_("../transport");var parser=_dereq_("engine.io-parser");var parseqs=_dereq_("parseqs");var inherit=_dereq_("component-inherit");var debug=_dereq_("debug")("engine.io-client:websocket");var WebSocket=_dereq_("ws");module.exports=WS;function WS(opts){var forceBase64=opts&&opts.forceBase64;if(forceBase64){this.supportsBinary=false}Transport.call(this,opts)}inherit(WS,Transport);WS.prototype.name="websocket";WS.prototype.supportsBinary=true;WS.prototype.doOpen=function(){if(!this.check()){return}var self=this;var uri=this.uri();var protocols=void 0;var opts={agent:this.agent};this.ws=new WebSocket(uri,protocols,opts);if(this.ws.binaryType===undefined){this.supportsBinary=false}this.ws.binaryType="arraybuffer";this.addEventListeners()};WS.prototype.addEventListeners=function(){var self=this;this.ws.onopen=function(){self.onOpen()};this.ws.onclose=function(){self.onClose()};this.ws.onmessage=function(ev){self.onData(ev.data)};this.ws.onerror=function(e){self.onError("websocket error",e)}};if("undefined"!=typeof navigator&&/iPad|iPhone|iPod/i.test(navigator.userAgent)){WS.prototype.onData=function(data){var self=this;setTimeout(function(){Transport.prototype.onData.call(self,data)},0)}}WS.prototype.write=function(packets){var self=this;this.writable=false;for(var i=0,l=packets.length;i<l;i++){parser.encodePacket(packets[i],this.supportsBinary,function(data){try{self.ws.send(data)}catch(e){debug("websocket closed before onclose event")}})}function ondrain(){self.writable=true;self.emit("drain")}setTimeout(ondrain,0)};WS.prototype.onClose=function(){Transport.prototype.onClose.call(this)};WS.prototype.doClose=function(){if(typeof this.ws!=="undefined"){this.ws.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}if(!this.supportsBinary){query.b64=1}query=parseqs.encode(query);if(query.length){query="?"+query}return schema+"://"+this.hostname+port+this.path+query};WS.prototype.check=function(){return!!WebSocket&&!("__initialize"in WebSocket&&this.name===WS.prototype.name)}},{"../transport":13,"component-inherit":20,debug:9,"engine.io-parser":21,parseqs:29,ws:31}],19:[function(_dereq_,module,exports){var hasCORS=_dereq_("has-cors");module.exports=function(opts){var xdomain=opts.xdomain;var xscheme=opts.xscheme;var enablesXDR=opts.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!xdomain||hasCORS)){return new XMLHttpRequest}}catch(e){}try{if("undefined"!=typeof XDomainRequest&&!xscheme&&enablesXDR){return new XDomainRequest}}catch(e){}if(!xdomain){try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(e){}}}},{"has-cors":34}],20:[function(_dereq_,module,exports){module.exports=function(a,b){var fn=function(){};fn.prototype=b.prototype;a.prototype=new fn;a.prototype.constructor=a}},{}],21:[function(_dereq_,module,exports){(function(global){var keys=_dereq_("./keys");var sliceBuffer=_dereq_("arraybuffer.slice");var base64encoder=_dereq_("base64-arraybuffer");var after=_dereq_("after");var utf8=_dereq_("utf8");var isAndroid=navigator.userAgent.match(/Android/i);exports.protocol=3;var packets=exports.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6};var packetslist=keys(packets);var err={type:"error",data:"parser error"};var Blob=_dereq_("blob");exports.encodePacket=function(packet,supportsBinary,utf8encode,callback){if("function"==typeof supportsBinary){callback=supportsBinary;supportsBinary=false}if("function"==typeof utf8encode){callback=utf8encode;utf8encode=null}var data=packet.data===undefined?undefined:packet.data.buffer||packet.data;if(global.ArrayBuffer&&data instanceof ArrayBuffer){return encodeArrayBuffer(packet,supportsBinary,callback)}else if(Blob&&data instanceof global.Blob){return encodeBlob(packet,supportsBinary,callback)}var encoded=packets[packet.type];if(undefined!==packet.data){encoded+=utf8encode?utf8.encode(String(packet.data)):String(packet.data)}return callback(""+encoded)};function encodeArrayBuffer(packet,supportsBinary,callback){if(!supportsBinary){return exports.encodeBase64Packet(packet,callback)}var data=packet.data;var contentArray=new Uint8Array(data);var resultBuffer=new Uint8Array(1+data.byteLength);resultBuffer[0]=packets[packet.type];for(var i=0;i<contentArray.length;i++){resultBuffer[i+1]=contentArray[i]}return callback(resultBuffer.buffer)}function encodeBlobAsArrayBuffer(packet,supportsBinary,callback){if(!supportsBinary){return exports.encodeBase64Packet(packet,callback)}var fr=new FileReader;fr.onload=function(){packet.data=fr.result;exports.encodePacket(packet,supportsBinary,true,callback)};return fr.readAsArrayBuffer(packet.data)}function encodeBlob(packet,supportsBinary,callback){if(!supportsBinary){return exports.encodeBase64Packet(packet,callback)}if(isAndroid){return encodeBlobAsArrayBuffer(packet,supportsBinary,callback)}var length=new Uint8Array(1);length[0]=packets[packet.type];var blob=new Blob([length.buffer,packet.data]);return callback(blob)}exports.encodeBase64Packet=function(packet,callback){var message="b"+exports.packets[packet.type];if(Blob&&packet.data instanceof Blob){var fr=new FileReader;fr.onload=function(){var b64=fr.result.split(",")[1];callback(message+b64)};return fr.readAsDataURL(packet.data)}var b64data;try{b64data=String.fromCharCode.apply(null,new Uint8Array(packet.data))}catch(e){var typed=new Uint8Array(packet.data);var basic=new Array(typed.length);for(var i=0;i<typed.length;i++){basic[i]=typed[i]}b64data=String.fromCharCode.apply(null,basic)}message+=global.btoa(b64data);return callback(message)};exports.decodePacket=function(data,binaryType,utf8decode){if(typeof data=="string"||data===undefined){if(data.charAt(0)=="b"){return exports.decodeBase64Packet(data.substr(1),binaryType)}if(utf8decode){try{data=utf8.decode(data)}catch(e){return err}}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]}}}var asArray=new Uint8Array(data);var type=asArray[0];var rest=sliceBuffer(data,1);if(Blob&&binaryType==="blob"){rest=new Blob([rest])}return{type:packetslist[type],data:rest}};exports.decodeBase64Packet=function(msg,binaryType){var type=packetslist[msg.charAt(0)];if(!global.ArrayBuffer){return{type:type,data:{base64:true,data:msg.substr(1)}}}var data=base64encoder.decode(msg.substr(1));if(binaryType==="blob"&&Blob){data=new Blob([data])}return{type:type,data:data}};exports.encodePayload=function(packets,supportsBinary,callback){if(typeof supportsBinary=="function"){callback=supportsBinary;supportsBinary=null}if(supportsBinary){if(Blob&&!isAndroid){return exports.encodePayloadAsBlob(packets,callback)}return exports.encodePayloadAsArrayBuffer(packets,callback)}if(!packets.length){return callback("0:")}function setLengthHeader(message){return message.length+":"+message}function encodeOne(packet,doneCallback){exports.encodePacket(packet,supportsBinary,true,function(message){doneCallback(null,setLengthHeader(message))})}map(packets,encodeOne,function(err,results){return callback(results.join(""))})};function map(ary,each,done){var result=new Array(ary.length);var next=after(ary.length,done);var eachWithIndex=function(i,el,cb){each(el,function(error,msg){result[i]=msg;cb(error,result)})};for(var i=0;i<ary.length;i++){eachWithIndex(i,ary[i],next)}}exports.decodePayload=function(data,binaryType,callback){if(typeof data!="string"){return exports.decodePayloadAsBinary(data,binaryType,callback)}if(typeof binaryType==="function"){callback=binaryType;binaryType=null}var packet;if(data==""){return callback(err,0,1)}var length="",n,msg;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 callback(err,0,1)}msg=data.substr(i+1,n);if(length!=msg.length){return callback(err,0,1)}if(msg.length){packet=exports.decodePacket(msg,binaryType,true);if(err.type==packet.type&&err.data==packet.data){return callback(err,0,1)}var ret=callback(packet,i+n,l);if(false===ret)return}i+=n;length=""}}if(length!=""){return callback(err,0,1)}};exports.encodePayloadAsArrayBuffer=function(packets,callback){if(!packets.length){return callback(new ArrayBuffer(0))}function encodeOne(packet,doneCallback){exports.encodePacket(packet,true,true,function(data){return doneCallback(null,data)})}map(packets,encodeOne,function(err,encodedPackets){var totalLength=encodedPackets.reduce(function(acc,p){var len;if(typeof p==="string"){len=p.length}else{len=p.byteLength}return acc+len.toString().length+len+2},0);var resultArray=new Uint8Array(totalLength);var bufferIndex=0;encodedPackets.forEach(function(p){var isString=typeof p==="string";var ab=p;if(isString){var view=new Uint8Array(p.length);for(var i=0;i<p.length;i++){view[i]=p.charCodeAt(i)}ab=view.buffer}if(isString){resultArray[bufferIndex++]=0}else{resultArray[bufferIndex++]=1}var lenStr=ab.byteLength.toString();for(var i=0;i<lenStr.length;i++){resultArray[bufferIndex++]=parseInt(lenStr[i])}resultArray[bufferIndex++]=255;var view=new Uint8Array(ab);for(var i=0;i<view.length;i++){resultArray[bufferIndex++]=view[i]}});return callback(resultArray.buffer)})};exports.encodePayloadAsBlob=function(packets,callback){function encodeOne(packet,doneCallback){exports.encodePacket(packet,true,true,function(encoded){var binaryIdentifier=new Uint8Array(1);binaryIdentifier[0]=1;if(typeof encoded==="string"){var view=new Uint8Array(encoded.length);for(var i=0;i<encoded.length;i++){view[i]=encoded.charCodeAt(i)}encoded=view.buffer;binaryIdentifier[0]=0}var len=encoded instanceof ArrayBuffer?encoded.byteLength:encoded.size;var lenStr=len.toString();var lengthAry=new Uint8Array(lenStr.length+1);for(var i=0;i<lenStr.length;i++){lengthAry[i]=parseInt(lenStr[i])}lengthAry[lenStr.length]=255;if(Blob){var blob=new Blob([binaryIdentifier.buffer,lengthAry.buffer,encoded]);doneCallback(null,blob)}})}map(packets,encodeOne,function(err,results){return callback(new Blob(results))})};exports.decodePayloadAsBinary=function(data,binaryType,callback){if(typeof binaryType==="function"){callback=binaryType;binaryType=null}var bufferTail=data;var buffers=[];var numberTooLong=false;while(bufferTail.byteLength>0){var tailArray=new Uint8Array(bufferTail);var isString=tailArray[0]===0;var msgLength="";for(var i=1;;i++){if(tailArray[i]==255)break;if(msgLength.length>310){numberTooLong=true;break}msgLength+=tailArray[i]}if(numberTooLong)return callback(err,0,1);bufferTail=sliceBuffer(bufferTail,2+msgLength.length);msgLength=parseInt(msgLength);var msg=sliceBuffer(bufferTail,0,msgLength);if(isString){try{msg=String.fromCharCode.apply(null,new Uint8Array(msg))}catch(e){var typed=new Uint8Array(msg);msg="";for(var i=0;i<typed.length;i++){msg+=String.fromCharCode(typed[i])}}}buffers.push(msg);bufferTail=sliceBuffer(bufferTail,msgLength)}var total=buffers.length;buffers.forEach(function(buffer,i){callback(exports.decodePacket(buffer,binaryType,true),i,total)})}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./keys":22,after:23,"arraybuffer.slice":24,"base64-arraybuffer":25,blob:26,utf8:27}],22:[function(_dereq_,module,exports){module.exports=Object.keys||function keys(obj){var arr=[];var has=Object.prototype.hasOwnProperty;for(var i in obj){if(has.call(obj,i)){arr.push(i)}}return arr}},{}],23:[function(_dereq_,module,exports){module.exports=after;function after(count,callback,err_cb){var bail=false;err_cb=err_cb||noop;proxy.count=count;return count===0?callback():proxy;function proxy(err,result){if(proxy.count<=0){throw new Error("after called too many times")}--proxy.count;if(err){bail=true;callback(err);callback=err_cb}else if(proxy.count===0&&!bail){callback(null,result)}}}function noop(){}},{}],24:[function(_dereq_,module,exports){module.exports=function(arraybuffer,start,end){var bytes=arraybuffer.byteLength;start=start||0;end=end||bytes;if(arraybuffer.slice){return arraybuffer.slice(start,end)}if(start<0){start+=bytes}if(end<0){end+=bytes}if(end>bytes){end=bytes}if(start>=bytes||start>=end||bytes===0){return new ArrayBuffer(0)}var abv=new Uint8Array(arraybuffer);var result=new Uint8Array(end-start);for(var i=start,ii=0;i<end;i++,ii++){result[ii]=abv[i]}return result.buffer}},{}],25:[function(_dereq_,module,exports){(function(chars){"use strict";exports.encode=function(arraybuffer){var bytes=new Uint8Array(arraybuffer),i,len=bytes.length,base64="";for(i=0;i<len;i+=3){base64+=chars[bytes[i]>>2];base64+=chars[(bytes[i]&3)<<4|bytes[i+1]>>4];base64+=chars[(bytes[i+1]&15)<<2|bytes[i+2]>>6];base64+=chars[bytes[i+2]&63]}if(len%3===2){base64=base64.substring(0,base64.length-1)+"="}else if(len%3===1){base64=base64.substring(0,base64.length-2)+"=="}return base64};exports.decode=function(base64){var bufferLength=base64.length*.75,len=base64.length,i,p=0,encoded1,encoded2,encoded3,encoded4;if(base64[base64.length-1]==="="){bufferLength--;if(base64[base64.length-2]==="="){bufferLength--}}var arraybuffer=new ArrayBuffer(bufferLength),bytes=new Uint8Array(arraybuffer);for(i=0;i<len;i+=4){encoded1=chars.indexOf(base64[i]);encoded2=chars.indexOf(base64[i+1]);encoded3=chars.indexOf(base64[i+2]);encoded4=chars.indexOf(base64[i+3]);bytes[p++]=encoded1<<2|encoded2>>4;bytes[p++]=(encoded2&15)<<4|encoded3>>2;bytes[p++]=(encoded3&3)<<6|encoded4&63}return arraybuffer}})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")},{}],26:[function(_dereq_,module,exports){(function(global){var BlobBuilder=global.BlobBuilder||global.WebKitBlobBuilder||global.MSBlobBuilder||global.MozBlobBuilder;var blobSupported=function(){try{var b=new Blob(["hi"]);return b.size==2}catch(e){return false}}();var blobBuilderSupported=BlobBuilder&&BlobBuilder.prototype.append&&BlobBuilder.prototype.getBlob;function BlobBuilderConstructor(ary,options){options=options||{};var bb=new BlobBuilder;for(var i=0;i<ary.length;i++){bb.append(ary[i])}return options.type?bb.getBlob(options.type):bb.getBlob()}module.exports=function(){if(blobSupported){return global.Blob}else if(blobBuilderSupported){return BlobBuilderConstructor}else{return undefined}}()}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],27:[function(_dereq_,module,exports){(function(global){(function(root){var freeExports=typeof exports=="object"&&exports;var freeModule=typeof module=="object"&&module&&module.exports==freeExports&&module;var freeGlobal=typeof global=="object"&&global;if(freeGlobal.global===freeGlobal||freeGlobal.window===freeGlobal){root=freeGlobal}var stringFromCharCode=String.fromCharCode;function ucs2decode(string){var output=[];var counter=0;var length=string.length;var value;var extra;while(counter<length){value=string.charCodeAt(counter++);if(value>=55296&&value<=56319&&counter<length){extra=string.charCodeAt(counter++);if((extra&64512)==56320){output.push(((value&1023)<<10)+(extra&1023)+65536)}else{output.push(value);counter--}}else{output.push(value)}}return output}function ucs2encode(array){var length=array.length;var index=-1;var value;var output="";while(++index<length){value=array[index];if(value>65535){value-=65536;output+=stringFromCharCode(value>>>10&1023|55296);value=56320|value&1023}output+=stringFromCharCode(value)}return output}function createByte(codePoint,shift){return stringFromCharCode(codePoint>>shift&63|128)}function encodeCodePoint(codePoint){if((codePoint&4294967168)==0){return stringFromCharCode(codePoint)}var symbol="";if((codePoint&4294965248)==0){symbol=stringFromCharCode(codePoint>>6&31|192)}else if((codePoint&4294901760)==0){symbol=stringFromCharCode(codePoint>>12&15|224);symbol+=createByte(codePoint,6)}else if((codePoint&4292870144)==0){symbol=stringFromCharCode(codePoint>>18&7|240);symbol+=createByte(codePoint,12);symbol+=createByte(codePoint,6)}symbol+=stringFromCharCode(codePoint&63|128);return symbol}function utf8encode(string){var codePoints=ucs2decode(string);var length=codePoints.length;var index=-1;var codePoint;var byteString="";while(++index<length){codePoint=codePoints[index];byteString+=encodeCodePoint(codePoint)}return byteString}function readContinuationByte(){if(byteIndex>=byteCount){throw Error("Invalid byte index")}var continuationByte=byteArray[byteIndex]&255;byteIndex++;if((continuationByte&192)==128){return continuationByte&63}throw Error("Invalid continuation byte")}function decodeSymbol(){var byte1;var byte2;var byte3;var byte4;var codePoint;if(byteIndex>byteCount){throw Error("Invalid byte index")}if(byteIndex==byteCount){return false}byte1=byteArray[byteIndex]&255;byteIndex++;if((byte1&128)==0){return byte1}if((byte1&224)==192){var byte2=readContinuationByte();codePoint=(byte1&31)<<6|byte2;if(codePoint>=128){return codePoint}else{throw Error("Invalid continuation byte")}}if((byte1&240)==224){byte2=readContinuationByte();byte3=readContinuationByte();codePoint=(byte1&15)<<12|byte2<<6|byte3;if(codePoint>=2048){return codePoint}else{throw Error("Invalid continuation byte")}}if((byte1&248)==240){byte2=readContinuationByte();byte3=readContinuationByte();byte4=readContinuationByte();codePoint=(byte1&15)<<18|byte2<<12|byte3<<6|byte4;if(codePoint>=65536&&codePoint<=1114111){return codePoint}}throw Error("Invalid UTF-8 detected")}var byteArray;var byteCount;var byteIndex;function utf8decode(byteString){byteArray=ucs2decode(byteString);byteCount=byteArray.length;byteIndex=0;var codePoints=[];var tmp;while((tmp=decodeSymbol())!==false){codePoints.push(tmp)}return ucs2encode(codePoints)}var utf8={version:"2.0.0",encode:utf8encode,decode:utf8decode};if(typeof define=="function"&&typeof define.amd=="object"&&define.amd){define(function(){return utf8})}else if(freeExports&&!freeExports.nodeType){if(freeModule){freeModule.exports=utf8}else{var object={};var hasOwnProperty=object.hasOwnProperty;for(var key in utf8){hasOwnProperty.call(utf8,key)&&(freeExports[key]=utf8[key])}}}else{root.utf8=utf8}})(this)}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],28:[function(_dereq_,module,exports){(function(global){var rvalidchars=/^[\],:{}\s]*$/;var rvalidescape=/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;var rvalidtokens=/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;var rvalidbraces=/(?:^|:|,)(?:\s*\[)+/g;var rtrimLeft=/^\s+/;var rtrimRight=/\s+$/;module.exports=function parsejson(data){if("string"!=typeof data||!data){return null}data=data.replace(rtrimLeft,"").replace(rtrimRight,"");if(global.JSON&&JSON.parse){return JSON.parse(data)}if(rvalidchars.test(data.replace(rvalidescape,"@").replace(rvalidtokens,"]").replace(rvalidbraces,""))){return new Function("return "+data)()}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],29:[function(_dereq_,module,exports){exports.encode=function(obj){var str="";for(var i in obj){if(obj.hasOwnProperty(i)){if(str.length)str+="&";str+=encodeURIComponent(i)+"="+encodeURIComponent(obj[i])}}return str};exports.decode=function(qs){var qry={};var pairs=qs.split("&");for(var i=0,l=pairs.length;i<l;i++){var pair=pairs[i].split("=");qry[decodeURIComponent(pair[0])]=decodeURIComponent(pair[1])}return qry}},{}],30:[function(_dereq_,module,exports){var re=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;var parts=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];module.exports=function parseuri(str){var src=str,b=str.indexOf("["),e=str.indexOf("]");if(b!=-1&&e!=-1){str=str.substring(0,b)+str.substring(b,e).replace(/:/g,";")+str.substring(e,str.length)}var m=re.exec(str||""),uri={},i=14;while(i--){uri[parts[i]]=m[i]||""}if(b!=-1&&e!=-1){uri.source=src;uri.host=uri.host.substring(1,uri.host.length-1).replace(/;/g,":");uri.authority=uri.authority.replace("[","").replace("]","").replace(/;/g,":");uri.ipv6uri=true}return uri}},{}],31:[function(_dereq_,module,exports){var global=function(){return this}();var WebSocket=global.WebSocket||global.MozWebSocket;module.exports=WebSocket?ws:null;function ws(uri,protocols,opts){var instance;if(protocols){instance=new WebSocket(uri,protocols)}else{instance=new WebSocket(uri)}return instance}if(WebSocket)ws.prototype=WebSocket.prototype},{}],32:[function(_dereq_,module,exports){(function(global){var isArray=_dereq_("isarray");module.exports=hasBinary;function hasBinary(data){function _hasBinary(obj){if(!obj)return false;if(global.Buffer&&global.Buffer.isBuffer(obj)||global.ArrayBuffer&&obj instanceof ArrayBuffer||global.Blob&&obj instanceof Blob||global.File&&obj instanceof File){return true}if(isArray(obj)){for(var i=0;i<obj.length;i++){if(_hasBinary(obj[i])){return true}}}else if(obj&&"object"==typeof obj){if(obj.toJSON){obj=obj.toJSON()}for(var key in obj){if(obj.hasOwnProperty(key)&&_hasBinary(obj[key])){return true}}}return false}return _hasBinary(data)}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{isarray:33}],33:[function(_dereq_,module,exports){module.exports=Array.isArray||function(arr){return Object.prototype.toString.call(arr)=="[object Array]"}},{}],34:[function(_dereq_,module,exports){var global=_dereq_("global");try{module.exports="XMLHttpRequest"in global&&"withCredentials"in new global.XMLHttpRequest}catch(err){module.exports=false}},{global:35}],35:[function(_dereq_,module,exports){module.exports=function(){return this}()},{}],36:[function(_dereq_,module,exports){var indexOf=[].indexOf;module.exports=function(arr,obj){if(indexOf)return arr.indexOf(obj);for(var i=0;i<arr.length;++i){if(arr[i]===obj)return i}return-1}},{}],37:[function(_dereq_,module,exports){var has=Object.prototype.hasOwnProperty;exports.keys=Object.keys||function(obj){var keys=[];for(var key in obj){if(has.call(obj,key)){keys.push(key)}}return keys};exports.values=function(obj){var vals=[];for(var key in obj){if(has.call(obj,key)){vals.push(obj[key])}}return vals};exports.merge=function(a,b){for(var key in b){if(has.call(b,key)){a[key]=b[key]}}return a};exports.length=function(obj){return exports.keys(obj).length};exports.isEmpty=function(obj){return 0==exports.length(obj)}},{}],38:[function(_dereq_,module,exports){var re=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;var parts=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];module.exports=function parseuri(str){var m=re.exec(str||""),uri={},i=14;while(i--){uri[parts[i]]=m[i]||""}return uri}},{}],39:[function(_dereq_,module,exports){(function(global){var isArray=_dereq_("isarray");var isBuf=_dereq_("./is-buffer");exports.deconstructPacket=function(packet){var buffers=[];var packetData=packet.data;function _deconstructPacket(data){if(!data)return data;if(isBuf(data)){var placeholder={_placeholder:true,num:buffers.length};buffers.push(data);return placeholder}else if(isArray(data)){var newData=new Array(data.length);for(var i=0;i<data.length;i++){newData[i]=_deconstructPacket(data[i])}return newData}else if("object"==typeof data&&!(data instanceof Date)){var newData={};for(var key in data){newData[key]=_deconstructPacket(data[key])}return newData}return data}var pack=packet;pack.data=_deconstructPacket(packetData);pack.attachments=buffers.length;return{packet:pack,buffers:buffers}};exports.reconstructPacket=function(packet,buffers){var curPlaceHolder=0;function _reconstructPacket(data){if(data&&data._placeholder){var buf=buffers[data.num];return buf
}else if(isArray(data)){for(var i=0;i<data.length;i++){data[i]=_reconstructPacket(data[i])}return data}else if(data&&"object"==typeof data){for(var key in data){data[key]=_reconstructPacket(data[key])}return data}return data}packet.data=_reconstructPacket(packet.data);packet.attachments=undefined;return packet};exports.removeBlobs=function(data,callback){function _removeBlobs(obj,curKey,containingObject){if(!obj)return obj;if(global.Blob&&obj instanceof Blob||global.File&&obj instanceof File){pendingBlobs++;var fileReader=new FileReader;fileReader.onload=function(){if(containingObject){containingObject[curKey]=this.result}else{bloblessData=this.result}if(!--pendingBlobs){callback(bloblessData)}};fileReader.readAsArrayBuffer(obj)}else if(isArray(obj)){for(var i=0;i<obj.length;i++){_removeBlobs(obj[i],i,obj)}}else if(obj&&"object"==typeof obj&&!isBuf(obj)){for(var key in obj){_removeBlobs(obj[key],key,obj)}}}var pendingBlobs=0;var bloblessData=data;_removeBlobs(bloblessData);if(!pendingBlobs){callback(bloblessData)}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./is-buffer":41,isarray:42}],40:[function(_dereq_,module,exports){var debug=_dereq_("debug")("socket.io-parser");var json=_dereq_("json3");var isArray=_dereq_("isarray");var Emitter=_dereq_("component-emitter");var binary=_dereq_("./binary");var isBuf=_dereq_("./is-buffer");exports.protocol=4;exports.types=["CONNECT","DISCONNECT","EVENT","BINARY_EVENT","ACK","BINARY_ACK","ERROR"];exports.CONNECT=0;exports.DISCONNECT=1;exports.EVENT=2;exports.ACK=3;exports.ERROR=4;exports.BINARY_EVENT=5;exports.BINARY_ACK=6;exports.Encoder=Encoder;exports.Decoder=Decoder;function Encoder(){}Encoder.prototype.encode=function(obj,callback){debug("encoding packet %j",obj);if(exports.BINARY_EVENT==obj.type||exports.BINARY_ACK==obj.type){encodeAsBinary(obj,callback)}else{var encoding=encodeAsString(obj);callback([encoding])}};function encodeAsString(obj){var str="";var nsp=false;str+=obj.type;if(exports.BINARY_EVENT==obj.type||exports.BINARY_ACK==obj.type){str+=obj.attachments;str+="-"}if(obj.nsp&&"/"!=obj.nsp){nsp=true;str+=obj.nsp}if(null!=obj.id){if(nsp){str+=",";nsp=false}str+=obj.id}if(null!=obj.data){if(nsp)str+=",";str+=json.stringify(obj.data)}debug("encoded %j as %s",obj,str);return str}function encodeAsBinary(obj,callback){function writeEncoding(bloblessData){var deconstruction=binary.deconstructPacket(bloblessData);var pack=encodeAsString(deconstruction.packet);var buffers=deconstruction.buffers;buffers.unshift(pack);callback(buffers)}binary.removeBlobs(obj,writeEncoding)}function Decoder(){this.reconstructor=null}Emitter(Decoder.prototype);Decoder.prototype.add=function(obj){var packet;if("string"==typeof obj){packet=decodeString(obj);if(exports.BINARY_EVENT==packet.type||exports.BINARY_ACK==packet.type){this.reconstructor=new BinaryReconstructor(packet);if(this.reconstructor.reconPack.attachments==0){this.emit("decoded",packet)}}else{this.emit("decoded",packet)}}else if(isBuf(obj)||obj.base64){if(!this.reconstructor){throw new Error("got binary data when not reconstructing a packet")}else{packet=this.reconstructor.takeBinaryData(obj);if(packet){this.reconstructor=null;this.emit("decoded",packet)}}}else{throw new Error("Unknown type: "+obj)}};function decodeString(str){var p={};var i=0;p.type=Number(str.charAt(0));if(null==exports.types[p.type])return error();if(exports.BINARY_EVENT==p.type||exports.BINARY_ACK==p.type){p.attachments="";while(str.charAt(++i)!="-"){p.attachments+=str.charAt(i)}p.attachments=Number(p.attachments)}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}p.id=Number(p.id)}if(str.charAt(++i)){try{p.data=json.parse(str.substr(i))}catch(e){return error()}}debug("decoded %s as %j",str,p);return p}Decoder.prototype.destroy=function(){if(this.reconstructor){this.reconstructor.finishedReconstruction()}};function BinaryReconstructor(packet){this.reconPack=packet;this.buffers=[]}BinaryReconstructor.prototype.takeBinaryData=function(binData){this.buffers.push(binData);if(this.buffers.length==this.reconPack.attachments){var packet=binary.reconstructPacket(this.reconPack,this.buffers);this.finishedReconstruction();return packet}return null};BinaryReconstructor.prototype.finishedReconstruction=function(){this.reconPack=null;this.buffers=[]};function error(data){return{type:exports.ERROR,data:"parser error"}}},{"./binary":39,"./is-buffer":41,"component-emitter":8,debug:9,isarray:42,json3:43}],41:[function(_dereq_,module,exports){(function(global){module.exports=isBuf;function isBuf(obj){return global.Buffer&&global.Buffer.isBuffer(obj)||global.ArrayBuffer&&obj instanceof ArrayBuffer}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],42:[function(_dereq_,module,exports){module.exports=_dereq_(33)},{}],43:[function(_dereq_,module,exports){(function(window){var getClass={}.toString,isProperty,forEach,undef;var isLoader=typeof define==="function"&&define.amd;var nativeJSON=typeof JSON=="object"&&JSON;var JSON3=typeof exports=="object"&&exports&&!exports.nodeType&&exports;if(JSON3&&nativeJSON){JSON3.stringify=nativeJSON.stringify;JSON3.parse=nativeJSON.parse}else{JSON3=window.JSON=nativeJSON||{}}var isExtended=new Date(-0xc782b5b800cec);try{isExtended=isExtended.getUTCFullYear()==-109252&&isExtended.getUTCMonth()===0&&isExtended.getUTCDate()===1&&isExtended.getUTCHours()==10&&isExtended.getUTCMinutes()==37&&isExtended.getUTCSeconds()==6&&isExtended.getUTCMilliseconds()==708}catch(exception){}function has(name){if(has[name]!==undef){return has[name]}var isSupported;if(name=="bug-string-char-index"){isSupported="a"[0]!="a"}else if(name=="json"){isSupported=has("json-stringify")&&has("json-parse")}else{var value,serialized='{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';if(name=="json-stringify"){var stringify=JSON3.stringify,stringifySupported=typeof stringify=="function"&&isExtended;if(stringifySupported){(value=function(){return 1}).toJSON=value;try{stringifySupported=stringify(0)==="0"&&stringify(new Number)==="0"&&stringify(new String)=='""'&&stringify(getClass)===undef&&stringify(undef)===undef&&stringify()===undef&&stringify(value)==="1"&&stringify([value])=="[1]"&&stringify([undef])=="[null]"&&stringify(null)=="null"&&stringify([undef,getClass,null])=="[null,null,null]"&&stringify({a:[value,true,false,null,"\x00\b\n\f\r	"]})==serialized&&stringify(null,value)==="1"&&stringify([1,2],null,1)=="[\n 1,\n 2\n]"&&stringify(new Date(-864e13))=='"-271821-04-20T00:00:00.000Z"'&&stringify(new Date(864e13))=='"+275760-09-13T00:00:00.000Z"'&&stringify(new Date(-621987552e5))=='"-000001-01-01T00:00:00.000Z"'&&stringify(new Date(-1))=='"1969-12-31T23:59:59.999Z"'}catch(exception){stringifySupported=false}}isSupported=stringifySupported}if(name=="json-parse"){var parse=JSON3.parse;if(typeof parse=="function"){try{if(parse("0")===0&&!parse(false)){value=parse(serialized);var parseSupported=value["a"].length==5&&value["a"][0]===1;if(parseSupported){try{parseSupported=!parse('"	"')}catch(exception){}if(parseSupported){try{parseSupported=parse("01")!==1}catch(exception){}}if(parseSupported){try{parseSupported=parse("1.")!==1}catch(exception){}}}}}catch(exception){parseSupported=false}}isSupported=parseSupported}}return has[name]=!!isSupported}if(!has("json")){var functionClass="[object Function]";var dateClass="[object Date]";var numberClass="[object Number]";var stringClass="[object String]";var arrayClass="[object Array]";var booleanClass="[object Boolean]";var charIndexBuggy=has("bug-string-char-index");if(!isExtended){var floor=Math.floor;var Months=[0,31,59,90,120,151,181,212,243,273,304,334];var getDay=function(year,month){return Months[month]+365*(year-1970)+floor((year-1969+(month=+(month>1)))/4)-floor((year-1901+month)/100)+floor((year-1601+month)/400)}}if(!(isProperty={}.hasOwnProperty)){isProperty=function(property){var members={},constructor;if((members.__proto__=null,members.__proto__={toString:1},members).toString!=getClass){isProperty=function(property){var original=this.__proto__,result=property in(this.__proto__=null,this);this.__proto__=original;return result}}else{constructor=members.constructor;isProperty=function(property){var parent=(this.constructor||constructor).prototype;return property in this&&!(property in parent&&this[property]===parent[property])}}members=null;return isProperty.call(this,property)}}var PrimitiveTypes={"boolean":1,number:1,string:1,undefined:1};var isHostType=function(object,property){var type=typeof object[property];return type=="object"?!!object[property]:!PrimitiveTypes[type]};forEach=function(object,callback){var size=0,Properties,members,property;(Properties=function(){this.valueOf=0}).prototype.valueOf=0;members=new Properties;for(property in members){if(isProperty.call(members,property)){size++}}Properties=members=null;if(!size){members=["valueOf","toString","toLocaleString","propertyIsEnumerable","isPrototypeOf","hasOwnProperty","constructor"];forEach=function(object,callback){var isFunction=getClass.call(object)==functionClass,property,length;var hasProperty=!isFunction&&typeof object.constructor!="function"&&isHostType(object,"hasOwnProperty")?object.hasOwnProperty:isProperty;for(property in object){if(!(isFunction&&property=="prototype")&&hasProperty.call(object,property)){callback(property)}}for(length=members.length;property=members[--length];hasProperty.call(object,property)&&callback(property));}}else if(size==2){forEach=function(object,callback){var members={},isFunction=getClass.call(object)==functionClass,property;for(property in object){if(!(isFunction&&property=="prototype")&&!isProperty.call(members,property)&&(members[property]=1)&&isProperty.call(object,property)){callback(property)}}}}else{forEach=function(object,callback){var isFunction=getClass.call(object)==functionClass,property,isConstructor;for(property in object){if(!(isFunction&&property=="prototype")&&isProperty.call(object,property)&&!(isConstructor=property==="constructor")){callback(property)}}if(isConstructor||isProperty.call(object,property="constructor")){callback(property)}}}return forEach(object,callback)};if(!has("json-stringify")){var Escapes={92:"\\\\",34:'\\"',8:"\\b",12:"\\f",10:"\\n",13:"\\r",9:"\\t"};var leadingZeroes="000000";var toPaddedString=function(width,value){return(leadingZeroes+(value||0)).slice(-width)};var unicodePrefix="\\u00";var quote=function(value){var result='"',index=0,length=value.length,isLarge=length>10&&charIndexBuggy,symbols;if(isLarge){symbols=value.split("")}for(;index<length;index++){var charCode=value.charCodeAt(index);switch(charCode){case 8:case 9:case 10:case 12:case 13:case 34:case 92:result+=Escapes[charCode];break;default:if(charCode<32){result+=unicodePrefix+toPaddedString(2,charCode.toString(16));break}result+=isLarge?symbols[index]:charIndexBuggy?value.charAt(index):value[index]}}return result+'"'};var serialize=function(property,object,callback,properties,whitespace,indentation,stack){var value,className,year,month,date,time,hours,minutes,seconds,milliseconds,results,element,index,length,prefix,result;try{value=object[property]}catch(exception){}if(typeof value=="object"&&value){className=getClass.call(value);if(className==dateClass&&!isProperty.call(value,"toJSON")){if(value>-1/0&&value<1/0){if(getDay){date=floor(value/864e5);for(year=floor(date/365.2425)+1970-1;getDay(year+1,0)<=date;year++);for(month=floor((date-getDay(year,0))/30.42);getDay(year,month+1)<=date;month++);date=1+date-getDay(year,month);time=(value%864e5+864e5)%864e5;hours=floor(time/36e5)%24;minutes=floor(time/6e4)%60;seconds=floor(time/1e3)%60;milliseconds=time%1e3}else{year=value.getUTCFullYear();month=value.getUTCMonth();date=value.getUTCDate();hours=value.getUTCHours();minutes=value.getUTCMinutes();seconds=value.getUTCSeconds();milliseconds=value.getUTCMilliseconds()}value=(year<=0||year>=1e4?(year<0?"-":"+")+toPaddedString(6,year<0?-year:year):toPaddedString(4,year))+"-"+toPaddedString(2,month+1)+"-"+toPaddedString(2,date)+"T"+toPaddedString(2,hours)+":"+toPaddedString(2,minutes)+":"+toPaddedString(2,seconds)+"."+toPaddedString(3,milliseconds)+"Z"}else{value=null}}else if(typeof value.toJSON=="function"&&(className!=numberClass&&className!=stringClass&&className!=arrayClass||isProperty.call(value,"toJSON"))){value=value.toJSON(property)}}if(callback){value=callback.call(object,property,value)}if(value===null){return"null"}className=getClass.call(value);if(className==booleanClass){return""+value}else if(className==numberClass){return value>-1/0&&value<1/0?""+value:"null"}else if(className==stringClass){return quote(""+value)}if(typeof value=="object"){for(length=stack.length;length--;){if(stack[length]===value){throw TypeError()}}stack.push(value);results=[];prefix=indentation;indentation+=whitespace;if(className==arrayClass){for(index=0,length=value.length;index<length;index++){element=serialize(index,value,callback,properties,whitespace,indentation,stack);results.push(element===undef?"null":element)}result=results.length?whitespace?"[\n"+indentation+results.join(",\n"+indentation)+"\n"+prefix+"]":"["+results.join(",")+"]":"[]"}else{forEach(properties||value,function(property){var element=serialize(property,value,callback,properties,whitespace,indentation,stack);if(element!==undef){results.push(quote(property)+":"+(whitespace?" ":"")+element)}});result=results.length?whitespace?"{\n"+indentation+results.join(",\n"+indentation)+"\n"+prefix+"}":"{"+results.join(",")+"}":"{}"}stack.pop();return result}};JSON3.stringify=function(source,filter,width){var whitespace,callback,properties,className;if(typeof filter=="function"||typeof filter=="object"&&filter){if((className=getClass.call(filter))==functionClass){callback=filter}else if(className==arrayClass){properties={};for(var index=0,length=filter.length,value;index<length;value=filter[index++],(className=getClass.call(value),className==stringClass||className==numberClass)&&(properties[value]=1));}}if(width){if((className=getClass.call(width))==numberClass){if((width-=width%1)>0){for(whitespace="",width>10&&(width=10);whitespace.length<width;whitespace+=" ");}}else if(className==stringClass){whitespace=width.length<=10?width:width.slice(0,10)}}return serialize("",(value={},value[""]=source,value),callback,properties,whitespace,"",[])}}if(!has("json-parse")){var fromCharCode=String.fromCharCode;var Unescapes={92:"\\",34:'"',47:"/",98:"\b",116:"	",110:"\n",102:"\f",114:"\r"};var Index,Source;var abort=function(){Index=Source=null;throw SyntaxError()};var lex=function(){var source=Source,length=source.length,value,begin,position,isSigned,charCode;while(Index<length){charCode=source.charCodeAt(Index);switch(charCode){case 9:case 10:case 13:case 32:Index++;break;case 123:case 125:case 91:case 93:case 58:case 44:value=charIndexBuggy?source.charAt(Index):source[Index];Index++;return value;case 34:for(value="@",Index++;Index<length;){charCode=source.charCodeAt(Index);if(charCode<32){abort()}else if(charCode==92){charCode=source.charCodeAt(++Index);switch(charCode){case 92:case 34:case 47:case 98:case 116:case 110:case 102:case 114:value+=Unescapes[charCode];Index++;break;case 117:begin=++Index;for(position=Index+4;Index<position;Index++){charCode=source.charCodeAt(Index);if(!(charCode>=48&&charCode<=57||charCode>=97&&charCode<=102||charCode>=65&&charCode<=70)){abort()}}value+=fromCharCode("0x"+source.slice(begin,Index));break;default:abort()}}else{if(charCode==34){break}charCode=source.charCodeAt(Index);begin=Index;while(charCode>=32&&charCode!=92&&charCode!=34){charCode=source.charCodeAt(++Index)}value+=source.slice(begin,Index)}}if(source.charCodeAt(Index)==34){Index++;return value}abort();default:begin=Index;if(charCode==45){isSigned=true;charCode=source.charCodeAt(++Index)}if(charCode>=48&&charCode<=57){if(charCode==48&&(charCode=source.charCodeAt(Index+1),charCode>=48&&charCode<=57)){abort()}isSigned=false;for(;Index<length&&(charCode=source.charCodeAt(Index),charCode>=48&&charCode<=57);Index++);if(source.charCodeAt(Index)==46){position=++Index;for(;position<length&&(charCode=source.charCodeAt(position),charCode>=48&&charCode<=57);position++);if(position==Index){abort()}Index=position}charCode=source.charCodeAt(Index);if(charCode==101||charCode==69){charCode=source.charCodeAt(++Index);if(charCode==43||charCode==45){Index++}for(position=Index;position<length&&(charCode=source.charCodeAt(position),charCode>=48&&charCode<=57);position++);if(position==Index){abort()}Index=position}return+source.slice(begin,Index)}if(isSigned){abort()}if(source.slice(Index,Index+4)=="true"){Index+=4;return true}else if(source.slice(Index,Index+5)=="false"){Index+=5;return false}else if(source.slice(Index,Index+4)=="null"){Index+=4;return null}abort()}}return"$"};var get=function(value){var results,hasMembers;if(value=="$"){abort()}if(typeof value=="string"){if((charIndexBuggy?value.charAt(0):value[0])=="@"){return value.slice(1)}if(value=="["){results=[];for(;;hasMembers||(hasMembers=true)){value=lex();if(value=="]"){break}if(hasMembers){if(value==","){value=lex();if(value=="]"){abort()}}else{abort()}}if(value==","){abort()}results.push(get(value))}return results}else if(value=="{"){results={};for(;;hasMembers||(hasMembers=true)){value=lex();if(value=="}"){break}if(hasMembers){if(value==","){value=lex();if(value=="}"){abort()}}else{abort()}}if(value==","||typeof value!="string"||(charIndexBuggy?value.charAt(0):value[0])!="@"||lex()!=":"){abort()}results[value.slice(1)]=get(lex())}return results}abort()}return value};var update=function(source,property,callback){var element=walk(source,property,callback);if(element===undef){delete source[property]}else{source[property]=element}};var walk=function(source,property,callback){var value=source[property],length;if(typeof value=="object"&&value){if(getClass.call(value)==arrayClass){for(length=value.length;length--;){update(value,length,callback)}}else{forEach(value,function(property){update(value,property,callback)})}}return callback.call(source,property,value)};JSON3.parse=function(source,callback){var result,value;Index=0;Source=""+source;result=get(lex());if(lex()!="$"){abort()}Index=Source=null;return callback&&getClass.call(callback)==functionClass?walk((value={},value[""]=result,value),"",callback):result}}}if(isLoader){define(function(){return JSON3})}})(this)},{}],44:[function(_dereq_,module,exports){module.exports=toArray;function toArray(list,index){var array=[];index=index||0;for(var i=index||0;i<list.length;i++){array[i-index]=list[i]}return array}},{}]},{},[1])(1)});