!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;"undefined"!=typeof window?t=window:"undefined"!=typeof global?t=global:"undefined"!=typeof self&&(t=self),t.io=e()}}(function(){var e,t,n;return function r(e,t,n){function i(o,u){if(!t[o]){if(!e[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(s)return s(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=t[o]={exports:{}};e[o][0].call(f.exports,function(t){var n=e[o][1][t];return i(n?n:t)},f,f.exports,r,e,t,n)}return t[o].exports}var s=typeof require=="function"&&require;for(var o=0;o<n.length;o++)i(n[o]);return i}({1:[function(e,t,n){t.exports=e("./lib/")},{"./lib/":2}],2:[function(e,t,n){function r(e,t){typeof e=="object"&&(t=e,e=undefined),t=t||{};var n=i(e),r=n.source,s=n.id,f;return t.forceNew||t["force new connection"]||!1===t.multiplex?(u("ignoring socket cache for %s",r),f=o(r,t)):(a[s]||(u("new io instance for %s",r),a[s]=o(r,t)),f=a[s]),f.socket(n.path)}var i=e("./url"),s=e("socket.io-parser"),o=e("./manager"),u=e("debug")("socket.io-client");t.exports=n=r;var a=n.managers={};n.protocol=s.protocol,n.connect=r,n.Manager=e("./manager"),n.Socket=e("./socket")},{"./manager":3,"./socket":5,"./url":6,debug:10,"socket.io-parser":46}],3:[function(e,t,n){function r(e,t){if(!(this instanceof r))return new r(e,t);e&&"object"==typeof e&&(t=e,e=undefined),t=t||{},t.path=t.path||"/socket.io",this.nsps={},this.subs=[],this.opts=t,this.reconnection(t.reconnection!==!1),this.reconnectionAttempts(t.reconnectionAttempts||Infinity),this.reconnectionDelay(t.reconnectionDelay||1e3),this.reconnectionDelayMax(t.reconnectionDelayMax||5e3),this.randomizationFactor(t.randomizationFactor||.5),this.backoff=new d({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==t.timeout?2e4:t.timeout),this.readyState="closed",this.uri=e,this.connected=[],this.encoding=!1,this.packetBuffer=[],this.encoder=new a.Encoder,this.decoder=new a.Decoder,this.autoConnect=t.autoConnect!==!1,this.autoConnect&&this.open()}var i=e("./url"),s=e("engine.io-client"),o=e("./socket"),u=e("component-emitter"),a=e("socket.io-parser"),f=e("./on"),l=e("component-bind"),c=e("object-component"),h=e("debug")("socket.io-client:manager"),p=e("indexof"),d=e("backo2");t.exports=r,r.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var e in this.nsps)this.nsps[e].emit.apply(this.nsps[e],arguments)},r.prototype.updateSocketIds=function(){for(var e in this.nsps)this.nsps[e].id=this.engine.id},u(r.prototype),r.prototype.reconnection=function(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection},r.prototype.reconnectionAttempts=function(e){return arguments.length?(this._reconnectionAttempts=e,this):this._reconnectionAttempts},r.prototype.reconnectionDelay=function(e){return arguments.length?(this._reconnectionDelay=e,this.backoff&&this.backoff.setMin(e),this):this._reconnectionDelay},r.prototype.randomizationFactor=function(e){return arguments.length?(this._randomizationFactor=e,this.backoff&&this.backoff.setJitter(e),this):this._randomizationFactor},r.prototype.reconnectionDelayMax=function(e){return arguments.length?(this._reconnectionDelayMax=e,this.backoff&&this.backoff.setMax(e),this):this._reconnectionDelayMax},r.prototype.timeout=function(e){return arguments.length?(this._timeout=e,this):this._timeout},r.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&this.backoff.attempts===0&&this.reconnect()},r.prototype.open=r.prototype.connect=function(e){h("readyState %s",this.readyState);if(~this.readyState.indexOf("open"))return this;h("opening %s",this.uri),this.engine=s(this.uri,this.opts);var t=this.engine,n=this;this.readyState="opening",this.skipReconnect=!1;var r=f(t,"open",function(){n.onopen(),e&&e()}),i=f(t,"error",function(t){h("connect_error"),n.cleanup(),n.readyState="closed",n.emitAll("connect_error",t);if(e){var r=new Error("Connection error");r.data=t,e(r)}else n.maybeReconnectOnOpen()});if(!1!==this._timeout){var o=this._timeout;h("connect attempt will timeout after %d",o);var u=setTimeout(function(){h("connect attempt timed out after %d",o),r.destroy(),t.close(),t.emit("error","timeout"),n.emitAll("connect_timeout",o)},o);this.subs.push({destroy:function(){clearTimeout(u)}})}return this.subs.push(r),this.subs.push(i),this},r.prototype.onopen=function(){h("open"),this.cleanup(),this.readyState="open",this.emit("open");var e=this.engine;this.subs.push(f(e,"data",l(this,"ondata"))),this.subs.push(f(this.decoder,"decoded",l(this,"ondecoded"))),this.subs.push(f(e,"error",l(this,"onerror"))),this.subs.push(f(e,"close",l(this,"onclose")))},r.prototype.ondata=function(e){this.decoder.add(e)},r.prototype.ondecoded=function(e){this.emit("packet",e)},r.prototype.onerror=function(e){h("error",e),this.emitAll("error",e)},r.prototype.socket=function(e){var t=this.nsps[e];if(!t){t=new o(this,e),this.nsps[e]=t;var n=this;t.on("connect",function(){t.id=n.engine.id,~p(n.connected,t)||n.connected.push(t)})}return t},r.prototype.destroy=function(e){var t=p(this.connected,e);~t&&this.connected.splice(t,1);if(this.connected.length)return;this.close()},r.prototype.packet=function(e){h("writing packet %j",e);var t=this;t.encoding?t.packetBuffer.push(e):(t.encoding=!0,this.encoder.encode(e,function(e){for(var n=0;n<e.length;n++)t.engine.write(e[n]);t.encoding=!1,t.processPacketQueue()}))},r.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var e=this.packetBuffer.shift();this.packet(e)}},r.prototype.cleanup=function(){var e;while(e=this.subs.shift())e.destroy();this.packetBuffer=[],this.encoding=!1,this.decoder.destroy()},r.prototype.close=r.prototype.disconnect=function(){this.skipReconnect=!0,this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},r.prototype.onclose=function(e){h("close"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",e),this._reconnection&&!this.skipReconnect&&this.reconnect()},r.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)h("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var t=this.backoff.duration();h("will wait %dms before reconnect attempt",t),this.reconnecting=!0;var n=setTimeout(function(){if(e.skipReconnect)return;h("attempting reconnect"),e.emitAll("reconnect_attempt",e.backoff.attempts),e.emitAll("reconnecting",e.backoff.attempts);if(e.skipReconnect)return;e.open(function(t){t?(h("reconnect attempt error"),e.reconnecting=!1,e.reconnect(),e.emitAll("reconnect_error",t.data)):(h("reconnect success"),e.onreconnect())})},t);this.subs.push({destroy:function(){clearTimeout(n)}})}},r.prototype.onreconnect=function(){var e=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",e)}},{"./on":4,"./socket":5,"./url":6,backo2:7,"component-bind":8,"component-emitter":9,debug:10,"engine.io-client":11,indexof:42,"object-component":43,"socket.io-parser":46}],4:[function(e,t,n){function r(e,t,n){return e.on(t,n),{destroy:function(){e.removeListener(t,n)}}}t.exports=r},{}],5:[function(e,t,n){function r(e,t){this.io=e,this.nsp=t,this.json=this,this.ids=0,this.acks={},this.io.autoConnect&&this.open(),this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0}var i=e("socket.io-parser"),s=e("component-emitter"),o=e("to-array"),u=e("./on"),a=e("component-bind"),f=e("debug")("socket.io-client:socket"),l=e("has-binary");t.exports=n=r;var c={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},h=s.prototype.emit;s(r.prototype),r.prototype.subEvents=function(){if(this.subs)return;var e=this.io;this.subs=[u(e,"open",a(this,"onopen")),u(e,"packet",a(this,"onpacket")),u(e,"close",a(this,"onclose"))]},r.prototype.open=r.prototype.connect=function(){return this.connected?this:(this.subEvents(),this.io.open(),"open"==this.io.readyState&&this.onopen(),this)},r.prototype.send=function(){var e=o(arguments);return e.unshift("message"),this.emit.apply(this,e),this},r.prototype.emit=function(e){if(c.hasOwnProperty(e))return h.apply(this,arguments),this;var t=o(arguments),n=i.EVENT;l(t)&&(n=i.BINARY_EVENT);var r={type:n,data:t};return"function"==typeof t[t.length-1]&&(f("emitting packet with ack id %d",this.ids),this.acks[this.ids]=t.pop(),r.id=this.ids++),this.connected?this.packet(r):this.sendBuffer.push(r),this},r.prototype.packet=function(e){e.nsp=this.nsp,this.io.packet(e)},r.prototype.onopen=function(){f("transport is open - connecting"),"/"!=this.nsp&&this.packet({type:i.CONNECT})},r.prototype.onclose=function(e){f("close (%s)",e),this.connected=!1,this.disconnected=!0,delete this.id,this.emit("disconnect",e)},r.prototype.onpacket=function(e){if(e.nsp!=this.nsp)return;switch(e.type){case i.CONNECT:this.onconnect();break;case i.EVENT:this.onevent(e);break;case i.BINARY_EVENT:this.onevent(e);break;case i.ACK:this.onack(e);break;case i.BINARY_ACK:this.onack(e);break;case i.DISCONNECT:this.ondisconnect();break;case i.ERROR:this.emit("error",e.data)}},r.prototype.onevent=function(e){var t=e.data||[];f("emitting event %j",t),null!=e.id&&(f("attaching ack callback to event"),t.push(this.ack(e.id))),this.connected?h.apply(this,t):this.receiveBuffer.push(t)},r.prototype.ack=function(e){var t=this,n=!1;return function(){if(n)return;n=!0;var r=o(arguments);f("sending ack %j",r);var s=l(r)?i.BINARY_ACK:i.ACK;t.packet({type:s,id:e,data:r})}},r.prototype.onack=function(e){f("calling ack %s with %j",e.id,e.data);var t=this.acks[e.id];t.apply(this,e.data),delete this.acks[e.id]},r.prototype.onconnect=function(){this.connected=!0,this.disconnected=!1,this.emit("connect"),this.emitBuffered()},r.prototype.emitBuffered=function(){var e;for(e=0;e<this.receiveBuffer.length;e++)h.apply(this,this.receiveBuffer[e]);this.receiveBuffer=[];for(e=0;e<this.sendBuffer.length;e++)this.packet(this.sendBuffer[e]);this.sendBuffer=[]},r.prototype.ondisconnect=function(){f("server disconnect (%s)",this.nsp),this.destroy(),this.onclose("io server disconnect")},r.prototype.destroy=function(){if(this.subs){for(var e=0;e<this.subs.length;e++)this.subs[e].destroy();this.subs=null}this.io.destroy(this)},r.prototype.close=r.prototype.disconnect=function(){return this.connected&&(f("performing disconnect (%s)",this.nsp),this.packet({type:i.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{"./on":4,"component-bind":8,"component-emitter":9,debug:10,"has-binary":38,"socket.io-parser":46,"to-array":50}],6:[function(e,t,n){(function(n){function r(e,t){var r=e,t=t||n.location;return null==e&&(e=t.protocol+"//"+t.host),"string"==typeof e&&("/"==e.charAt(0)&&("/"==e.charAt(1)?e=t.protocol+e:e=t.hostname+e),/^(https?|wss?):\/\//.test(e)||(s("protocol-less url %s",e),"undefined"!=typeof t?e=t.protocol+"//"+e:e="https://"+e),s("parse %s",e),r=i(e)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/",r.id=r.protocol+"://"+r.host+":"+r.port,r.href=r.protocol+"://"+r.host+(t&&t.port==r.port?"":":"+r.port),r}var i=e("parseuri"),s=e("debug")("socket.io-client:url");t.exports=r}).call(this,typeof self!="undefined"?self:typeof window!="undefined"?window:{})},{debug:10,parseuri:44}],7:[function(e,t,n){function r(e){e=e||{},this.ms=e.min||100,this.max=e.max||1e4,this.factor=e.factor||2,this.jitter=e.jitter>0&&e.jitter<=1?e.jitter:0,this.attempts=0}t.exports=r,r.prototype.duration=function(){var e=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var t=Math.random(),n=Math.floor(t*this.jitter*e);e=(Math.floor(t*10)&1)==0?e-n:e+n}return Math.min(e,this.max)|0},r.prototype.reset=function(){this.attempts=0},r.prototype.setMin=function(e){this.ms=e},r.prototype.setMax=function(e){this.max=e},r.prototype.setJitter=function(e){this.jitter=e}},{}],8:[function(e,t,n){var r=[].slice;t.exports=function(e,t){"string"==typeof t&&(t=e[t]);if("function"!=typeof t)throw new Error("bind() requires a function");var n=r.call(arguments,2);return function(){return t.apply(e,n.concat(r.call(arguments)))}}},{}],9:[function(e,t,n){function r(e){if(e)return i(e)}function i(e){for(var t in r.prototype)e[t]=r.prototype[t];return e}t.exports=r,r.prototype.on=r.prototype.addEventListener=function(e,t){return this._callbacks=this._callbacks||{},(this._callbacks[e]=this._callbacks[e]||[]).push(t),this},r.prototype.once=function(e,t){function n(){r.off(e,n),t.apply(this,arguments)}var r=this;return this._callbacks=this._callbacks||{},n.fn=t,this.on(e,n),this},r.prototype.off=r.prototype.removeListener=r.prototype.removeAllListeners=r.prototype.removeEventListener=function(e,t){this._callbacks=this._callbacks||{};if(0==arguments.length)return this._callbacks={},this;var n=this._callbacks[e];if(!n)return this;if(1==arguments.length)return delete this._callbacks[e],this;var r;for(var i=0;i<n.length;i++){r=n[i];if(r===t||r.fn===t){n.splice(i,1);break}}return this},r.prototype.emit=function(e){this._callbacks=this._callbacks||{};var t=[].slice.call(arguments,1),n=this._callbacks[e];if(n){n=n.slice(0);for(var r=0,i=n.length;r<i;++r)n[r].apply(this,t)}return this},r.prototype.listeners=function(e){return this._callbacks=this._callbacks||{},this._callbacks[e]||[]},r.prototype.hasListeners=function(e){return!!this.listeners(e).length}},{}],10:[function(e,t,n){function r(e){return r.enabled(e)?function(t){t=i(t);var n=new Date,s=n-(r[e]||n);r[e]=n,t=e+" "+t+" +"+r.humanize(s),window.console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}:function(){}}function i(e){return e instanceof Error?e.stack||e.message:e}t.exports=r,r.names=[],r.skips=[],r.enable=function(e){try{localStorage.debug=e}catch(t){}var n=(e||"").split(/[\s,]+/),i=n.length;for(var s=0;s<i;s++)e=n[s].replace("*",".*?"),e[0]==="-"?r.skips.push(new RegExp("^"+e.substr(1)+"$")):r.names.push(new RegExp("^"+e+"$"))},r.disable=function(){r.enable("")},r.humanize=function(e){var t=1e3,n=6e4,r=60*n;return e>=r?(e/r).toFixed(1)+"h":e>=n?(e/n).toFixed(1)+"m":e>=t?(e/t|0)+"s":e+"ms"},r.enabled=function(e){for(var t=0,n=r.skips.length;t<n;t++)if(r.skips[t].test(e))return!1;for(var t=0,n=r.names.length;t<n;t++)if(r.names[t].test(e))return!0;return!1};try{window.localStorage&&r.enable(localStorage.debug)}catch(s){}},{}],11:[function(e,t,n){t.exports=e("./lib/")},{"./lib/":12}],12:[function(e,t,n){t.exports=e("./socket"),t.exports.parser=e("engine.io-parser")},{"./socket":13,"engine.io-parser":25}],13:[function(e,t,n){(function(n){function r(){}function i(e,t){if(!(this instanceof i))return new i(e,t);t=t||{},e&&"object"==typeof e&&(t=e,e=null),e&&(e=c(e),t.host=e.host,t.secure=e.protocol=="https"||e.protocol=="wss",t.port=e.port,e.query&&(t.query=e.query)),this.secure=null!=t.secure?t.secure:n.location&&"https:"==location.protocol;if(t.host){var r=t.host.split(":");t.hostname=r.shift(),r.length?t.port=r.pop():t.port||(t.port=this.secure?"443":"80")}this.agent=t.agent||!1,this.hostname=t.hostname||(n.location?location.hostname:"localhost"),this.port=t.port||(n.location&&location.port?location.port:this.secure?443:80),this.query=t.query||{},"string"==typeof this.query&&(this.query=p.decode(this.query)),this.upgrade=!1!==t.upgrade,this.path=(t.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!t.forceJSONP,this.jsonp=!1!==t.jsonp,this.forceBase64=!!t.forceBase64,this.enablesXDR=!!t.enablesXDR,this.timestampParam=t.timestampParam||"t",this.timestampRequests=t.timestampRequests,this.transports=t.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],this.callbackBuffer=[],this.policyPort=t.policyPort||843,this.rememberUpgrade=t.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=t.onlyBinaryUpgrades,this.pfx=t.pfx||null,this.key=t.key||null,this.passphrase=t.passphrase||null,this.cert=t.cert||null,this.ca=t.ca||null,this.ciphers=t.ciphers||null,this.rejectUnauthorized=t.rejectUnauthorized||null,this.open()}function s(e){var t={};for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t}var o=e("./transports"),u=e("component-emitter"),a=e("debug")("engine.io-client:socket"),f=e("indexof"),l=e("engine.io-parser"),c=e("parseuri"),h=e("parsejson"),p=e("parseqs");t.exports=i,i.priorWebsocketSuccess=!1,u(i.prototype),i.protocol=l.protocol,i.Socket=i,i.Transport=e("./transport"),i.transports=e("./transports"),i.parser=e("engine.io-parser"),i.prototype.createTransport=function(e){a('creating transport "%s"',e);var t=s(this.query);t.EIO=l.protocol,t.transport=e,this.id&&(t.sid=this.id);var n=new o[e]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:t,forceJSONP:this.forceJSONP,jsonp:this.jsonp,forceBase64:this.forceBase64,enablesXDR:this.enablesXDR,timestampRequests:this.timestampRequests,timestampParam:this.timestampParam,policyPort:this.policyPort,socket:this,pfx:this.pfx,key:this.key,passphrase:this.passphrase,cert:this.cert,ca:this.ca,ciphers:this.ciphers,rejectUnauthorized:this.rejectUnauthorized});return n},i.prototype.open=function(){var e;if(this.rememberUpgrade&&i.priorWebsocketSuccess&&this.transports.indexOf("websocket")!=-1)e="websocket";else{if(0==this.transports.length){var t=this;setTimeout(function(){t.emit("error","No transports available")},0);return}e=this.transports[0]}this.readyState="opening";var e;try{e=this.createTransport(e)}catch(n){this.transports.shift(),this.open();return}e.open(),this.setTransport(e)},i.prototype.setTransport=function(e){a("setting transport %s",e.name);var t=this;this.transport&&(a("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=e,e.on("drain",function(){t.onDrain()}).on("packet",function(e){t.onPacket(e)}).on("error",function(e){t.onError(e)}).on("close",function(){t.onClose("transport close")})},i.prototype.probe=function(e){function t(){if(h.onlyBinaryUpgrades){var t=!this.supportsBinary&&h.transport.supportsBinary;c=c||t}if(c)return;a('probe transport "%s" opened',e),l.send([{type:"ping",data:"probe"}]),l.once("packet",function(t){if(c)return;if("pong"==t.type&&"probe"==t.data){a('probe transport "%s" pong',e),h.upgrading=!0,h.emit("upgrading",l);if(!l)return;i.priorWebsocketSuccess="websocket"==l.name,a('pausing current transport "%s"',h.transport.name),h.transport.pause(function(){if(c)return;if("closed"==h.readyState)return;a("changing transport and sending upgrade packet"),f(),h.setTransport(l),l.send([{type:"upgrade"}]),h.emit("upgrade",l),l=null,h.upgrading=!1,h.flush()})}else{a('probe transport "%s" failed',e);var n=new Error("probe error");n.transport=l.name,h.emit("upgradeError",n)}})}function n(){if(c)return;c=!0,f(),l.close(),l=null}function r(t){var r=new Error("probe error: "+t);r.transport=l.name,n(),a('probe transport "%s" failed because of error: %s',e,t),h.emit("upgradeError",r)}function s(){r("transport closed")}function o(){r("socket closed")}function u(e){l&&e.name!=l.name&&(a('"%s" works - aborting "%s"',e.name,l.name),n())}function f(){l.removeListener("open",t),l.removeListener("error",r),l.removeListener("close",s),h.removeListener("close",o),h.removeListener("upgrading",u)}a('probing transport "%s"',e);var l=this.createTransport(e,{probe:1}),c=!1,h=this;i.priorWebsocketSuccess=!1,l.once("open",t),l.once("error",r),l.once("close",s),this.once("close",o),this.once("upgrading",u),l.open()},i.prototype.onOpen=function(){a("socket open"),this.readyState="open",i.priorWebsocketSuccess="websocket"==this.transport.name,this.emit("open"),this.flush();if("open"==this.readyState&&this.upgrade&&this.transport.pause){a("starting upgrade probes");for(var e=0,t=this.upgrades.length;e<t;e++)this.probe(this.upgrades[e])}},i.prototype.onPacket=function(e){if("opening"==this.readyState||"open"==this.readyState){a('socket receive: type "%s", data "%s"',e.type,e.data),this.emit("packet",e),this.emit("heartbeat");switch(e.type){case"open":this.onHandshake(h(e.data));break;case"pong":this.setPing();break;case"error":var t=new Error("server error");t.code=e.data,this.emit("error",t);break;case"message":this.emit("data",e.data),this.emit("message",e.data)}}else a('packet received with socket readyState "%s"',this.readyState)},i.prototype.onHandshake=function(e){this.emit("handshake",e),this.id=e.sid,this.transport.query.sid=e.sid,this.upgrades=this.filterUpgrades(e.upgrades),this.pingInterval=e.pingInterval,this.pingTimeout=e.pingTimeout,this.onOpen();if("closed"==this.readyState)return;this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat)},i.prototype.onHeartbeat=function(e){clearTimeout(this.pingTimeoutTimer);var t=this;t.pingTimeoutTimer=setTimeout(function(){if("closed"==t.readyState)return;t.onClose("ping timeout")},e||t.pingInterval+t.pingTimeout)},i.prototype.setPing=function(){var e=this;clearTimeout(e.pingIntervalTimer),e.pingIntervalTimer=setTimeout(function(){a("writing ping packet - expecting pong within %sms",e.pingTimeout),e.ping(),e.onHeartbeat(e.pingTimeout)},e.pingInterval)},i.prototype.ping=function(){this.sendPacket("ping")},i.prototype.onDrain=function(){for(var e=0;e<this.prevBufferLen;e++)this.callbackBuffer[e]&&this.callbackBuffer[e]();this.writeBuffer.splice(0,this.prevBufferLen),this.callbackBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,this.writeBuffer.length==0?this.emit("drain"):this.flush()},i.prototype.flush=function(){"closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(a("flushing %d packets in socket",this.writeBuffer.length),this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))},i.prototype.write=i.prototype.send=function(e,t){return this.sendPacket("message",e,t),this},i.prototype.sendPacket=function(e,t,n){if("closing"==this.readyState||"closed"==this.readyState)return;var r={type:e,data:t};this.emit("packetCreate",r),this.writeBuffer.push(r),this.callbackBuffer.push(n),this.flush()},i.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var e=this;function t(){e.onClose("forced close"),a("socket closing - telling transport to close"),e.transport.close()}function n(){e.removeListener("upgrade",n),e.removeListener("upgradeError",n),t()}function r(){e.once("upgrade",n),e.once("upgradeError",n)}this.writeBuffer.length?this.once("drain",function(){this.upgrading?r():t()}):this.upgrading?r():t()}return this},i.prototype.onError=function(e){a("socket error %j",e),i.priorWebsocketSuccess=!1,this.emit("error",e),this.onClose("transport error",e)},i.prototype.onClose=function(e,t){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){a('socket close with reason: "%s"',e);var n=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),setTimeout(function(){n.writeBuffer=[],n.callbackBuffer=[],n.prevBufferLen=0},0),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",e,t)}},i.prototype.filterUpgrades=function(e){var t=[];for(var n=0,r=e.length;n<r;n++)~f(this.transports,e[n])&&t.push(e[n]);return t}}).call(this,typeof self!="undefined"?self:typeof window!="undefined"?window:{})},{"./transport":14,"./transports":15,"component-emitter":9,debug:22,"engine.io-parser":25,indexof:42,parsejson:34,parseqs:35,parseuri:36}],14:[function(e,t,n){function r(e){this.path=e.path,this.hostname=e.hostname,this.port=e.port,this.secure=e.secure,this.query=e.query,this.timestampParam=e.timestampParam,this.timestampRequests=e.timestampRequests,this.readyState="",this.agent=e.agent||!1,this.socket=e.socket,this.enablesXDR=e.enablesXDR,this.pfx=e.pfx,this.key=e.key,this.passphrase=e.passphrase,this.cert=e.cert,this.ca=e.ca,this.ciphers=e.ciphers,this.rejectUnauthorized=e.rejectUnauthorized}var i=e("engine.io-parser"),s=e("component-emitter");t.exports=r,s(r.prototype),r.timestamps=0,r.prototype.onError=function(e,t){var n=new Error(e);return n.type="TransportError",n.description=t,this.emit("error",n),this},r.prototype.open=function(){if("closed"==this.readyState||""==this.readyState)this.readyState="opening",this.doOpen();return this},r.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState)this.doClose(),this.onClose();return this},r.prototype.send=function(e){if("open"!=this.readyState)throw new Error("Transport not open");this.write(e)},r.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},r.prototype.onData=function(e){var t=i.decodePacket(e,this.socket.binaryType);this.onPacket(t)},r.prototype.onPacket=function(e){this.emit("packet",e)},r.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":9,"engine.io-parser":25}],15:[function(e,t,n){(function(t){function r(e){var n,r=!1,u=!1,a=!1!==e.jsonp;if(t.location){var f="https:"==location.protocol,l=location.port;l||(l=f?443:80),r=e.hostname!=location.hostname||l!=e.port,u=e.secure!=f}e.xdomain=r,e.xscheme=u,n=new i(e);if("open"in n&&!e.forceJSONP)return new s(e);if(!a)throw new Error("JSONP disabled");return new o(e)}var i=e("xmlhttprequest"),s=e("./polling-xhr"),o=e("./polling-jsonp"),u=e("./websocket");n.polling=r,n.websocket=u}).call(this,typeof self!="undefined"?self:typeof window!="undefined"?window:{})},{"./polling-jsonp":16,"./polling-xhr":17,"./websocket":19,xmlhttprequest:20}],16:[function(e,t,n){(function(n){function r(){}function i(e){s.call(this,e),this.query=this.query||{},f||(n.___eio||(n.___eio=[]),f=n.___eio),this.index=f.length;var t=this;f.push(function(e){t.onData(e)}),this.query.j=this.index,n.document&&n.addEventListener&&n.addEventListener("beforeunload",function(){t.script&&(t.script.onerror=r)},!1)}var s=e("./polling"),o=e("component-inherit");t.exports=i;var u=/\n/g,a=/\\n/g,f,l=0;o(i,s),i.prototype.supportsBinary=!1,i.prototype.doClose=function(){this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),s.prototype.doClose.call(this)},i.prototype.doPoll=function(){var e=this,t=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),t.async=!0,t.src=this.uri(),t.onerror=function(t){e.onError("jsonp poll error",t)};var n=document.getElementsByTagName("script")[0];n.parentNode.insertBefore(t,n),this.script=t;var r="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);r&&setTimeout(function(){var e=document.createElement("iframe");document.body.appendChild(e),document.body.removeChild(e)},100)},i.prototype.doWrite=function(e,t){function n(){r(),t()}function r(){if(i.iframe)try{i.form.removeChild(i.iframe)}catch(e){i.onError("jsonp polling iframe removal error",e)}try{var t='<iframe src="javascript:0" name="'+i.iframeId+'">';l=document.createElement(t)}catch(e){l=document.createElement("iframe"),l.name=i.iframeId,l.src="javascript:0"}l.id=i.iframeId,i.form.appendChild(l),i.iframe=l}var i=this;if(!this.form){var s=document.createElement("form"),o=document.createElement("textarea"),f=this.iframeId="eio_iframe_"+this.index,l;s.className="socketio",s.style.position="absolute",s.style.top="-1000px",s.style.left="-1000px",s.target=f,s.method="POST",s.setAttribute("accept-charset","utf-8"),o.name="d",s.appendChild(o),document.body.appendChild(s),this.form=s,this.area=o}this.form.action=this.uri(),r(),e=e.replace(a,"\\\n"),this.area.value=e.replace(u,"\\n");try{this.form.submit()}catch(c){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){i.iframe.readyState=="complete"&&n()}:this.iframe.onload=n}}).call(this,typeof self!="undefined"?self:typeof window!="undefined"?window:{})},{"./polling":18,"component-inherit":21}],17:[function(e,t,n){(function(n){function r(){}function i(e){a.call(this,e);if(n.location){var t="https:"==location.protocol,r=location.port;r||(r=t?443:80),this.xd=e.hostname!=n.location.hostname||r!=e.port,this.xs=e.secure!=t}}function s(e){this.method=e.method||"GET",this.uri=e.uri,this.xd=!!e.xd,this.xs=!!e.xs,this.async=!1!==e.async,this.data=undefined!=e.data?e.data:null,this.agent=e.agent,this.isBinary=e.isBinary,this.supportsBinary=e.supportsBinary,this.enablesXDR=e.enablesXDR,this.pfx=e.pfx,this.key=e.key,this.passphrase=e.passphrase,this.cert=e.cert,this.ca=e.ca,this.ciphers=e.ciphers,this.rejectUnauthorized=e.rejectUnauthorized,this.create()}function o(){for(var e in s.requests)s.requests.hasOwnProperty(e)&&s.requests[e].abort()}var u=e("xmlhttprequest"),a=e("./polling"),f=e("component-emitter"),l=e("component-inherit"),c=e("debug")("engine.io-client:polling-xhr");t.exports=i,t.exports.Request=s,l(i,a),i.prototype.supportsBinary=!0,i.prototype.request=function(e){return e=e||{},e.uri=this.uri(),e.xd=this.xd,e.xs=this.xs,e.agent=this.agent||!1,e.supportsBinary=this.supportsBinary,e.enablesXDR=this.enablesXDR,e.pfx=this.pfx,e.key=this.key,e.passphrase=this.passphrase,e.cert=this.cert,e.ca=this.ca,e.ciphers=this.ciphers,e.rejectUnauthorized=this.rejectUnauthorized,new s(e)},i.prototype.doWrite=function(e,t){var n=typeof e!="string"&&e!==undefined,r=this.request({method:"POST",data:e,isBinary:n}),i=this;r.on("success",t),r.on("error",function(e){i.onError("xhr post error",e)}),this.sendXhr=r},i.prototype.doPoll=function(){c("xhr poll");var e=this.request(),t=this;e.on("data",function(e){t.onData(e)}),e.on("error",function(e){t.onError("xhr poll error",e)}),this.pollXhr=e},f(s.prototype),s.prototype.create=function(){var e={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};e.pfx=this.pfx,e.key=this.key,e.passphrase=this.passphrase,e.cert=this.cert,e.ca=this.ca,e.ciphers=this.ciphers,e.rejectUnauthorized=this.rejectUnauthorized;var t=this.xhr=new u(e),r=this;try{c("xhr open %s: %s",this.method,this.uri),t.open(this.method,this.uri,this.async),this.supportsBinary&&(t.responseType="arraybuffer");if("POST"==this.method)try{this.isBinary?t.setRequestHeader("Content-type","application/octet-stream"):t.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(i){}"withCredentials"in t&&(t.withCredentials=!0),this.hasXDR()?(t.onload=function(){r.onLoad()},t.onerror=function(){r.onError(t.responseText)}):t.onreadystatechange=function(){if(4!=t.readyState)return;200==t.status||1223==t.status?r.onLoad():setTimeout(function(){r.onError(t.status)},0)},c("xhr data %s",this.data),t.send(this.data)}catch(i){setTimeout(function(){r.onError(i)},0);return}n.document&&(this.index=s.requestsCount++,s.requests[this.index]=this)},s.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},s.prototype.onData=function(e){this.emit("data",e),this.onSuccess()},s.prototype.onError=function(e){this.emit("error",e),this.cleanup(!0)},s.prototype.cleanup=function(e){if("undefined"==typeof this.xhr||null===this.xhr)return;this.hasXDR()?this.xhr.onload=this.xhr.onerror=r:this.xhr.onreadystatechange=r;if(e)try{this.xhr.abort()}catch(t){}n.document&&delete s.requests[this.index],this.xhr=null},s.prototype.onLoad=function(){var e;try{var t;try{t=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(n){}t==="application/octet-stream"?e=this.xhr.response:this.supportsBinary?e="ok":e=this.xhr.responseText}catch(n){this.onError(n)}null!=e&&this.onData(e)},s.prototype.hasXDR=function(){return"undefined"!=typeof n.XDomainRequest&&!this.xs&&this.enablesXDR},s.prototype.abort=function(){this.cleanup()},n.document&&(s.requestsCount=0,s.requests={},n.attachEvent?n.attachEvent("onunload",o):n.addEventListener&&n.addEventListener("beforeunload",o,!1))}).call(this,typeof self!="undefined"?self:typeof window!="undefined"?window:{})},{"./polling":18,"component-emitter":9,"component-inherit":21,debug:22,xmlhttprequest:20}],18:[function(e,t,n){function r(e){var t=e&&e.forceBase64;if(!f||t)this.supportsBinary=!1;i.call(this,e)}var i=e("../transport"),s=e("parseqs"),o=e("engine.io-parser"),u=e("component-inherit"),a=e("debug")("engine.io-client:polling");t.exports=r;var f=function(){var t=e("xmlhttprequest"),n=new t({xdomain:!1});return null!=n.responseType}();u(r,i),r.prototype.name="polling",r.prototype.doOpen=function(){this.poll()},r.prototype.pause=function(e){function t(){a("paused"),r.readyState="paused",e()}var n=0,r=this;this.readyState="pausing";if(this.polling||!
        this.writable){var i=0;this.polling&&(a("we are currently polling - waiting to pause"),i++,this.once("pollComplete",function(){a("pre-pause polling complete"),--i||t()})),this.writable||(a("we are currently writing - waiting to pause"),i++,this.once("drain",function(){a("pre-pause writing complete"),--i||t()}))}else t()},r.prototype.poll=function(){a("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},r.prototype.onData=function(e){var t=this;a("polling got data %s",e);var n=function(e,n,r){"opening"==t.readyState&&t.onOpen();if("close"==e.type)return t.onClose(),!1;t.onPacket(e)};o.decodePayload(e,this.socket.binaryType,n),"closed"!=this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"==this.readyState?this.poll():a('ignoring poll - transport state "%s"',this.readyState))},r.prototype.doClose=function(){function e(){a("writing close packet"),t.write([{type:"close"}])}var t=this;"open"==this.readyState?(a("transport open - closing"),e()):(a("transport not open - deferring close"),this.once("open",e))},r.prototype.write=function(e){var t=this;this.writable=!1;var n=function(){t.writable=!0,t.emit("drain")},t=this;o.encodePayload(e,this.supportsBinary,function(e){t.doWrite(e,n)})},r.prototype.uri=function(){var e=this.query||{},t=this.secure?"https":"http",n="";return!1!==this.timestampRequests&&(e[this.timestampParam]=+(new Date)+"-"+i.timestamps++),!this.supportsBinary&&!e.sid&&(e.b64=1),e=s.encode(e),this.port&&("https"==t&&this.port!=443||"http"==t&&this.port!=80)&&(n=":"+this.port),e.length&&(e="?"+e),t+"://"+this.hostname+n+this.path+e}},{"../transport":14,"component-inherit":21,debug:22,"engine.io-parser":25,parseqs:35,xmlhttprequest:20}],19:[function(e,t,n){function r(e){var t=e&&e.forceBase64;t&&(this.supportsBinary=!1),i.call(this,e)}var i=e("../transport"),s=e("engine.io-parser"),o=e("parseqs"),u=e("component-inherit"),a=e("debug")("engine.io-client:websocket"),f=e("ws");t.exports=r,u(r,i),r.prototype.name="websocket",r.prototype.supportsBinary=!0,r.prototype.doOpen=function(){if(!this.check())return;var e=this,t=this.uri(),n=void 0,r={agent:this.agent};r.pfx=this.pfx,r.key=this.key,r.passphrase=this.passphrase,r.cert=this.cert,r.ca=this.ca,r.ciphers=this.ciphers,r.rejectUnauthorized=this.rejectUnauthorized,this.ws=new f(t,n,r),this.ws.binaryType===undefined&&(this.supportsBinary=!1),this.ws.binaryType="arraybuffer",this.addEventListeners()},r.prototype.addEventListeners=function(){var e=this;this.ws.onopen=function(){e.onOpen()},this.ws.onclose=function(){e.onClose()},this.ws.onmessage=function(t){e.onData(t.data)},this.ws.onerror=function(t){e.onError("websocket error",t)}},"undefined"!=typeof navigator&&/iPad|iPhone|iPod/i.test(navigator.userAgent)&&(r.prototype.onData=function(e){var t=this;setTimeout(function(){i.prototype.onData.call(t,e)},0)}),r.prototype.write=function(e){function t(){n.writable=!0,n.emit("drain")}var n=this;this.writable=!1;for(var r=0,i=e.length;r<i;r++)s.encodePacket(e[r],this.supportsBinary,function(e){try{n.ws.send(e)}catch(t){a("websocket closed before onclose event")}});setTimeout(t,0)},r.prototype.onClose=function(){i.prototype.onClose.call(this)},r.prototype.doClose=function(){typeof this.ws!="undefined"&&this.ws.close()},r.prototype.uri=function(){var e=this.query||{},t=this.secure?"wss":"ws",n="";return this.port&&("wss"==t&&this.port!=443||"ws"==t&&this.port!=80)&&(n=":"+this.port),this.timestampRequests&&(e[this.timestampParam]=+(new Date)),this.supportsBinary||(e.b64=1),e=o.encode(e),e.length&&(e="?"+e),t+"://"+this.hostname+n+this.path+e},r.prototype.check=function(){return!!f&&!("__initialize"in f&&this.name===r.prototype.name)}},{"../transport":14,"component-inherit":21,debug:22,"engine.io-parser":25,parseqs:35,ws:37}],20:[function(e,t,n){var r=e("has-cors");t.exports=function(e){var t=e.xdomain,n=e.xscheme,i=e.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!t||r))return new XMLHttpRequest}catch(s){}try{if("undefined"!=typeof XDomainRequest&&!n&&i)return new XDomainRequest}catch(s){}if(!t)try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(s){}}},{"has-cors":40}],21:[function(e,t,n){t.exports=function(e,t){var n=function(){};n.prototype=t.prototype,e.prototype=new n,e.prototype.constructor=e}},{}],22:[function(e,t,n){function r(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}function i(){var e=arguments,t=this.useColors;e[0]=(t?"%c":"")+this.namespace+(t?" %c":" ")+e[0]+(t?"%c ":" ")+"+"+n.humanize(this.diff);if(!t)return e;var r="color: "+this.color;e=[e[0],r,"color: inherit"].concat(Array.prototype.slice.call(e,1));var i=0,s=0;return e[0].replace(/%[a-z%]/g,function(e){if("%"===e)return;i++,"%c"===e&&(s=i)}),e.splice(s,0,r),e}function s(){return"object"==typeof console&&"function"==typeof console.log&&Function.prototype.apply.call(console.log,console,arguments)}function o(e){try{null==e?localStorage.removeItem("debug"):localStorage.debug=e}catch(t){}}function u(){var e;try{e=localStorage.debug}catch(t){}return e}n=t.exports=e("./debug"),n.log=s,n.formatArgs=i,n.save=o,n.load=u,n.useColors=r,n.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"],n.formatters.j=function(e){return JSON.stringify(e)},n.enable(u())},{"./debug":23}],23:[function(e,t,n){function r(){return n.colors[f++%n.colors.length]}function i(e){function t(){}function i(){var e=i,t=+(new 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