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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,perMessageDeflate:this.perMessageDeflate,extraHeaders:this.extraHeaders});return n},r.prototype.open=function(){var e;if(this.rememberUpgrade&&r.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))e="websocket";else{if(0===this.transports.length){var t=this;return void setTimeout(function(){t.emit("error","No transports available")},0)}e=this.transports[0]}this.readyState="opening";try{e=this.createTransport(e)}catch(n){return this.transports.shift(),void this.open()}e.open(),this.setTransport(e)},r.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")})},r.prototype.probe=function(e){function t(){if(l.onlyBinaryUpgrades){var t=!this.supportsBinary&&l.transport.supportsBinary;h=h||t}h||(a('probe transport "%s" opened',e),f.send([{type:"ping",data:"probe"}]),f.once("packet",function(t){if(!h)if("pong"===t.type&&"probe"===t.data){if(a('probe transport "%s" pong',e),l.upgrading=!0,l.emit("upgrading",f),!f)return;r.priorWebsocketSuccess="websocket"===f.name,a('pausing current transport "%s"',l.transport.name),l.transport.pause(function(){h||"closed"!==l.readyState&&(a("changing transport and sending upgrade packet"),u(),l.setTransport(f),f.send([{type:"upgrade"}]),l.emit("upgrade",f),f=null,l.upgrading=!1,l.flush())})}else{a('probe transport "%s" failed',e);var n=new Error("probe error");n.transport=f.name,l.emit("upgradeError",n)}}))}function n(){h||(h=!0,u(),f.close(),f=null)}function i(t){var r=new Error("probe error: "+t);r.transport=f.name,n(),a('probe transport "%s" failed because of error: %s',e,t),l.emit("upgradeError",r)}function o(){i("transport closed")}function s(){i("socket closed")}function c(e){f&&e.name!==f.name&&(a('"%s" works - aborting "%s"',e.name,f.name),n())}function u(){f.removeListener("open",t),f.removeListener("error",i),f.removeListener("close",o),l.removeListener("close",s),l.removeListener("upgrading",c)}a('probing transport "%s"',e);var f=this.createTransport(e,{probe:1}),h=!1,l=this;r.priorWebsocketSuccess=!1,f.once("open",t),f.once("error",i),f.once("close",o),this.once("close",s),this.once("upgrading",c),f.open()},r.prototype.onOpen=function(){if(a("socket open"),this.readyState="open",r.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("open"),this.flush(),"open"===this.readyState&&this.upgrade&&this.transport.pause){a("starting upgrade probes");for(var e=0,t=this.upgrades.length;t>e;e++)this.probe(this.upgrades[e])}},r.prototype.onPacket=function(e){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(a('socket receive: type "%s", data "%s"',e.type,e.data),this.emit("packet",e),this.emit("heartbeat"),e.type){case"open":this.onHandshake(h(e.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var t=new Error("server error");t.code=e.data,this.onError(t);break;case"message":this.emit("data",e.data),this.emit("message",e.data)}else a('packet received with socket readyState "%s"',this.readyState)},r.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(),"closed"!==this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},r.prototype.onHeartbeat=function(e){clearTimeout(this.pingTimeoutTimer);var t=this;t.pingTimeoutTimer=setTimeout(function(){"closed"!==t.readyState&&t.onClose("ping timeout")},e||t.pingInterval+t.pingTimeout)},r.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)},r.prototype.ping=function(){var e=this;this.sendPacket("ping",function(){e.emit("ping")})},r.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emit("drain"):this.flush()},r.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"))},r.prototype.write=r.prototype.send=function(e,t,n){return this.sendPacket("message",e,t,n),this},r.prototype.sendPacket=function(e,t,n,r){if("function"==typeof t&&(r=t,t=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){n=n||{},n.compress=!1!==n.compress;var i={type:e,data:t,options:n};this.emit("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}},r.prototype.close=function(){function e(){r.onClose("forced close"),a("socket closing - telling transport to close"),r.transport.close()}function t(){r.removeListener("upgrade",t),r.removeListener("upgradeError",t),e()}function n(){r.once("upgrade",t),r.once("upgradeError",t)}if("opening"===this.readyState||"open"===this.readyState){this.readyState="closing";var r=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?n():e()}):this.upgrading?n():e()}return this},r.prototype.onError=function(e){a("socket error %j",e),r.priorWebsocketSuccess=!1,this.emit("error",e),this.onClose("transport error",e)},r.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),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",e,t),n.writeBuffer=[],n.prevBufferLen=0}},r.prototype.filterUpgrades=function(e){for(var t=[],n=0,r=e.length;r>n;n++)~c(this.transports,e[n])&&t.push(e[n]);return t}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./transport":18,"./transports/index":19,"component-emitter":9,debug:13,"engine.io-parser":25,indexof:31,parsejson:37,parseqs:38,parseuri:39}],18:[function(e,t){function n(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,this.extraHeaders=e.extraHeaders}var r=e("engine.io-parser"),i=e("component-emitter");t.exports=n,i(n.prototype),n.prototype.onError=function(e,t){var n=new Error(e);return n.type="TransportError",n.description=t,this.emit("error",n),this},n.prototype.open=function(){return("closed"===this.readyState||""===this.readyState)&&(this.readyState="opening",this.doOpen()),this},n.prototype.close=function(){return("opening"===this.readyState||"open"===this.readyState)&&(this.doClose(),this.onClose()),this},n.prototype.send=function(e){if("open"!==this.readyState)throw new Error("Transport not open");this.write(e)},n.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},n.prototype.onData=function(e){var t=r.decodePacket(e,this.socket.binaryType);this.onPacket(t)},n.prototype.onPacket=function(e){this.emit("packet",e)},n.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":9,"engine.io-parser":25}],19:[function(e,t,n){(function(t){function r(e){var n,r=!1,a=!1,c=!1!==e.jsonp;if(t.location){var u="https:"===location.protocol,f=location.port;f||(f=u?443:80),r=e.hostname!==location.hostname||f!==e.port,a=e.secure!==u}if(e.xdomain=r,e.xscheme=a,n=new i(e),"open"in n&&!e.forceJSONP)return new o(e);if(!c)throw new Error("JSONP disabled");return new s(e)}var i=e("xmlhttprequest-ssl"),o=e("./polling-xhr"),s=e("./polling-jsonp"),a=e("./websocket");n.polling=r,n.websocket=a}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling-jsonp":20,"./polling-xhr":21,"./websocket":23,"xmlhttprequest-ssl":24}],20:[function(e,t){(function(n){function r(){}function i(e){o.call(this,e),this.query=this.query||{},a||(n.___eio||(n.___eio=[]),a=n.___eio),this.index=a.length;var t=this;a.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 o=e("./polling"),s=e("component-inherit");t.exports=i;var a,c=/\n/g,u=/\\n/g;s(i,o),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),o.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?n.parentNode.insertBefore(t,n):(document.head||document.body).appendChild(t),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+'">';o=document.createElement(t)}catch(e){o=document.createElement("iframe"),o.name=i.iframeId,o.src="javascript:0"}o.id=i.iframeId,i.form.appendChild(o),i.iframe=o}var i=this;if(!this.form){var o,s=document.createElement("form"),a=document.createElement("textarea"),f=this.iframeId="eio_iframe_"+this.index;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"),a.name="d",s.appendChild(a),document.body.appendChild(s),this.form=s,this.area=a}this.form.action=this.uri(),r(),e=e.replace(u,"\\\n"),this.area.value=e.replace(c,"\\n");try{this.form.submit()}catch(h){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"===i.iframe.readyState&&n()}:this.iframe.onload=n}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":22,"component-inherit":11}],21:[function(e,t){(function(n){function r(){}function i(e){if(c.call(this,e),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}else this.extraHeaders=e.extraHeaders}function o(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=void 0!==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.extraHeaders=e.extraHeaders,this.create()}function s(){for(var e in o.requests)o.requests.hasOwnProperty(e)&&o.requests[e].abort()}var a=e("xmlhttprequest-ssl"),c=e("./polling"),u=e("component-emitter"),f=e("component-inherit"),h=e("debug")("engine.io-client:polling-xhr");t.exports=i,t.exports.Request=o,f(i,c),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,e.extraHeaders=this.extraHeaders,new o(e)},i.prototype.doWrite=function(e,t){var n="string"!=typeof e&&void 0!==e,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(){h("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},u(o.prototype),o.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 a(e),r=this;try{h("xhr open %s: %s",this.method,this.uri),
t.open(this.method,this.uri,this.async);try{if(this.extraHeaders){t.setDisableHeaderCheck(!0);for(var i in this.extraHeaders)this.extraHeaders.hasOwnProperty(i)&&t.setRequestHeader(i,this.extraHeaders[i])}}catch(s){}if(this.supportsBinary&&(t.responseType="arraybuffer"),"POST"===this.method)try{this.isBinary?t.setRequestHeader("Content-type","application/octet-stream"):t.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(s){}try{t.setRequestHeader("Accept","*/*")}catch(s){}"withCredentials"in t&&(t.withCredentials=!0),this.hasXDR()?(t.onload=function(){r.onLoad()},t.onerror=function(){r.onError(t.responseText)}):t.onreadystatechange=function(){4===t.readyState&&(200===t.status||1223===t.status?r.onLoad():setTimeout(function(){r.onError(t.status)},0))},h("xhr data %s",this.data),t.send(this.data)}catch(s){return void setTimeout(function(){r.onError(s)},0)}n.document&&(this.index=o.requestsCount++,o.requests[this.index]=this)},o.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},o.prototype.onData=function(e){this.emit("data",e),this.onSuccess()},o.prototype.onError=function(e){this.emit("error",e),this.cleanup(!0)},o.prototype.cleanup=function(e){if("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=r:this.xhr.onreadystatechange=r,e)try{this.xhr.abort()}catch(t){}n.document&&delete o.requests[this.index],this.xhr=null}},o.prototype.onLoad=function(){var e;try{var t;try{t=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(n){}if("application/octet-stream"===t)e=this.xhr.response||this.xhr.responseText;else if(this.supportsBinary)try{e=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(n){for(var r=new Uint8Array(this.xhr.response),i=[],o=0,s=r.length;s>o;o++)i.push(r[o]);e=String.fromCharCode.apply(null,i)}else e=this.xhr.responseText}catch(n){this.onError(n)}null!=e&&this.onData(e)},o.prototype.hasXDR=function(){return"undefined"!=typeof n.XDomainRequest&&!this.xs&&this.enablesXDR},o.prototype.abort=function(){this.cleanup()},o.requestsCount=0,o.requests={},n.document&&(n.attachEvent?n.attachEvent("onunload",s):n.addEventListener&&n.addEventListener("beforeunload",s,!1))}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":22,"component-emitter":9,"component-inherit":11,debug:13,"xmlhttprequest-ssl":24}],22:[function(e,t){function n(e){var t=e&&e.forceBase64;(!u||t)&&(this.supportsBinary=!1),r.call(this,e)}var r=e("../transport"),i=e("parseqs"),o=e("engine.io-parser"),s=e("component-inherit"),a=e("yeast"),c=e("debug")("engine.io-client:polling");t.exports=n;var u=function(){var t=e("xmlhttprequest-ssl"),n=new t({xdomain:!1});return null!=n.responseType}();s(n,r),n.prototype.name="polling",n.prototype.doOpen=function(){this.poll()},n.prototype.pause=function(e){function t(){c("paused"),n.readyState="paused",e()}var n=this;if(this.readyState="pausing",this.polling||!this.writable){var r=0;this.polling&&(c("we are currently polling - waiting to pause"),r++,this.once("pollComplete",function(){c("pre-pause polling complete"),--r||t()})),this.writable||(c("we are currently writing - waiting to pause"),r++,this.once("drain",function(){c("pre-pause writing complete"),--r||t()}))}else t()},n.prototype.poll=function(){c("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},n.prototype.onData=function(e){var t=this;c("polling got data %s",e);var n=function(e){return"opening"===t.readyState&&t.onOpen(),"close"===e.type?(t.onClose(),!1):void t.onPacket(e)};o.decodePayload(e,this.socket.binaryType,n),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState?this.poll():c('ignoring poll - transport state "%s"',this.readyState))},n.prototype.doClose=function(){function e(){c("writing close packet"),t.write([{type:"close"}])}var t=this;"open"===this.readyState?(c("transport open - closing"),e()):(c("transport not open - deferring close"),this.once("open",e))},n.prototype.write=function(e){var t=this;this.writable=!1;var n=function(){t.writable=!0,t.emit("drain")};o.encodePayload(e,this.supportsBinary,function(e){t.doWrite(e,n)})},n.prototype.uri=function(){var e=this.query||{},t=this.secure?"https":"http",n="";!1!==this.timestampRequests&&(e[this.timestampParam]=a()),this.supportsBinary||e.sid||(e.b64=1),e=i.encode(e),this.port&&("https"===t&&443!==this.port||"http"===t&&80!==this.port)&&(n=":"+this.port),e.length&&(e="?"+e);var r=-1!==this.hostname.indexOf(":");return t+"://"+(r?"["+this.hostname+"]":this.hostname)+n+this.path+e}},{"../transport":18,"component-inherit":11,debug:13,"engine.io-parser":25,parseqs:38,"xmlhttprequest-ssl":24,yeast:62}],23:[function(e,t){(function(n){function r(e){var t=e&&e.forceBase64;t&&(this.supportsBinary=!1),this.perMessageDeflate=e.perMessageDeflate,i.call(this,e)}var i=e("../transport"),o=e("engine.io-parser"),s=e("parseqs"),a=e("component-inherit"),c=e("yeast"),u=e("debug")("engine.io-client:websocket"),f=n.WebSocket||n.MozWebSocket,h=f;if(!h&&"undefined"==typeof window)try{h=e("ws")}catch(l){}t.exports=r,a(r,i),r.prototype.name="websocket",r.prototype.supportsBinary=!0,r.prototype.doOpen=function(){if(this.check()){var e=this.uri(),t=void 0,n={agent:this.agent,perMessageDeflate:this.perMessageDeflate};n.pfx=this.pfx,n.key=this.key,n.passphrase=this.passphrase,n.cert=this.cert,n.ca=this.ca,n.ciphers=this.ciphers,n.rejectUnauthorized=this.rejectUnauthorized,this.extraHeaders&&(n.headers=this.extraHeaders);try{this.ws=f?new h(e):new h(e,t,n)}catch(r){return this.emit("error",r)}void 0===this.ws.binaryType&&(this.supportsBinary=!1),this.ws.supports&&this.ws.supports.binary?(this.supportsBinary=!0,this.ws.binaryType="nodebuffer"):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)}},r.prototype.write=function(e){function t(){r.emit("flush"),setTimeout(function(){r.writable=!0,r.emit("drain")},0)}var r=this;this.writable=!1;for(var i=e.length,s=0,a=i;a>s;s++)!function(e){o.encodePacket(e,r.supportsBinary,function(o){if(!f){var s={};if(e.options&&(s.compress=e.options.compress),r.perMessageDeflate){var a="string"==typeof o?n.Buffer.byteLength(o):o.length;a<r.perMessageDeflate.threshold&&(s.compress=!1)}}try{f?r.ws.send(o):r.ws.send(o,s)}catch(c){u("websocket closed before onclose event")}--i||t()})}(e[s])},r.prototype.onClose=function(){i.prototype.onClose.call(this)},r.prototype.doClose=function(){"undefined"!=typeof this.ws&&this.ws.close()},r.prototype.uri=function(){var e=this.query||{},t=this.secure?"wss":"ws",n="";this.port&&("wss"===t&&443!==this.port||"ws"===t&&80!==this.port)&&(n=":"+this.port),this.timestampRequests&&(e[this.timestampParam]=c()),this.supportsBinary||(e.b64=1),e=s.encode(e),e.length&&(e="?"+e);var r=-1!==this.hostname.indexOf(":");return t+"://"+(r?"["+this.hostname+"]":this.hostname)+n+this.path+e},r.prototype.check=function(){return!(!h||"__initialize"in h&&this.name===r.prototype.name)}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../transport":18,"component-inherit":11,debug:13,"engine.io-parser":25,parseqs:38,ws:65,yeast:62}],24:[function(e,t){(function(n){var r=e("has-cors");t.exports=function(e){var t=e.xdomain,i=e.xscheme,o=e.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!t||r))return new XMLHttpRequest}catch(s){}try{if("undefined"!=typeof XDomainRequest&&!i&&o)return new XDomainRequest}catch(s){}if(!t)try{return new(n[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(s){}}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"has-cors":30}],25:[function(e,t,n){(function(t){function r(e,t){var r="b"+n.packets[e.type]+e.data.data;return t(r)}function i(e,t,r){if(!t)return n.encodeBase64Packet(e,r);var i=e.data,o=new Uint8Array(i),s=new 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t._pc.ondatachannel=function(e){t._setupData(e)};t.on("finish",function(){t.connected?setTimeout(function(){t._destroy()},100):t.once("connect",function(){setTimeout(function(){t._destroy()},100)})})}function i(){}t.exports=r;var o=e("debug")("simple-peer"),s=e("get-browser-rtc"),a=e("inherits"),c=e("randombytes"),u=e("readable-stream");a(r,u.Duplex),r.WEBRTC_SUPPORT=!!s(),r.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]},r.constraints={},r.channelConfig={},Object.defineProperty(r.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}}),r.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}},r.prototype.signal=function(e){function t(e){try{n._pc.addIceCandidate(new n._wrtc.RTCIceCandidate(e),i,function(e){n._onError(e)})}catch(t){n._destroy(new Error("error adding candidate: "+t.message))}}var n=this;if(n.destroyed)throw new Error("cannot signal after peer is 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t=this;t._channel=e.channel,t.channelName=t._channel.label,t._channel.binaryType="arraybuffer",t._channel.onmessage=function(e){t._onChannelMessage(e)},t._channel.onopen=function(){t._onChannelOpen()},t._channel.onclose=function(){t._onChannelClose()}},r.prototype._read=function(){},r.prototype._write=function(e,t,n){var r=this;if(r.destroyed)return n(new Error("cannot write after peer is destroyed"));if(r.connected){try{r.send(e)}catch(i){return r._onError(i)}r._channel.bufferedAmount>r._maxBufferedAmount?(r._debug("start backpressure: bufferedAmount %d",r._channel.bufferedAmount),r._cb=n):n(null)}else r._debug("write before connect"),r._chunk=e,r._cb=n},r.prototype._createOffer=function(){var e=this;e.destroyed||e._pc.createOffer(function(t){if(!e.destroyed){t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,i,function(t){e._onError(t)});var n=function(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})};e.trickle||e._iceComplete?n():e.once("_iceComplete",n)}},function(t){e._onError(t)},e.offerConstraints)},r.prototype._createAnswer=function(){var e=this;e.destroyed||e._pc.createAnswer(function(t){if(!e.destroyed){t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,i,function(t){e._onError(t)});var n=function(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})};e.trickle||e._iceComplete?n():e.once("_iceComplete",n)}},function(t){e._onError(t)},e.answerConstraints)},r.prototype._onIceConnectionStateChange=function(){var e=this;if(!e.destroyed){var t=e._pc.iceGatheringState,n=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,n),e.emit("iceConnectionStateChange",t,n),("connected"===n||"completed"===n)&&(clearTimeout(e._reconnectTimeout),e._pcReady=!0,e._maybeReady()),"disconnected"===n&&(e.reconnectTimer?(clearTimeout(e._reconnectTimeout),e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)):e._destroy()),"failed"===n&&e._destroy(),"closed"===n&&e._destroy()}},r.prototype.getStats=function(e){var t=this;t._pc.getStats?"undefined"!=typeof window&&window.mozRTCPeerConnection?t._pc.getStats(null,function(t){var n=[];t.forEach(function(e){n.push(e)}),e(n)},function(e){t._onError(e)}):t._pc.getStats(function(t){var n=[];t.result().forEach(function(e){var t={};e.names().forEach(function(n){t[n]=e.stat(n)}),t.id=e.id,t.type=e.type,t.timestamp=e.timestamp,n.push(t)}),e(n)}):e([])},r.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady),!e.connected&&!e._connecting&&e._pcReady&&e._channelReady&&(e._connecting=!0,e.getStats(function(t){function n(t){var n=i[t.localCandidateId],o=r[t.remoteCandidateId];n?(e.localAddress=n.ipAddress,e.localPort=Number(n.portNumber)):"string"==typeof t.googLocalAddress&&(n=t.googLocalAddress.split(":"),e.localAddress=n[0],e.localPort=Number(n[1])),e._debug("connect local: %s:%s",e.localAddress,e.localPort),o?(e.remoteAddress=o.ipAddress,e.remotePort=Number(o.portNumber),e.remoteFamily="IPv4"):"string"==typeof t.googRemoteAddress&&(o=t.googRemoteAddress.split(":"),e.remoteAddress=o[0],e.remotePort=Number(o[1]),e.remoteFamily="IPv4"),e._debug("connect remote: %s:%s",e.remoteAddress,e.remotePort)}e._connecting=!1,e.connected=!0;var r={},i={};if(t.forEach(function(e){"remotecandidate"===e.type&&(r[e.id]=e),"localcandidate"===e.type&&(i[e.id]=e)}),t.forEach(function(e){var t="googCandidatePair"===e.type&&"true"===e.googActiveConnection||"candidatepair"===e.type&&e.selected;t&&n(e)}),e._chunk){try{e.send(e._chunk)}catch(o){return e._onError(o)}e._chunk=null,e._debug('sent chunk from "write before connect"');var s=e._cb;e._cb=null,s(null)}e._interval=setInterval(function(){if(e._cb&&e._channel&&!(e._channel.bufferedAmount>e._maxBufferedAmount)){e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null,t(null)}},150),e._interval.unref&&e._interval.unref(),e._debug("connect"),e.emit("connect")}))},r.prototype._onSignalingStateChange=function(){var e=this;e.destroyed||(e._debug("signalingStateChange %s",e._pc.signalingState),e.emit("signalingStateChange",e._pc.signalingState))},r.prototype._onIceCandidate=function(e){var t=this;t.destroyed||(e.candidate&&t.trickle?t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):e.candidate||(t._iceComplete=!0,t.emit("_iceComplete")))},r.prototype._onChannelMessage=function(e){var t=this;if(!t.destroyed){var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length),r instanceof ArrayBuffer&&(r=new n(r)),t.push(r)}},r.prototype._onChannelOpen=function(){var e=this;e.connected||e.destroyed||(e._debug("on channel open"),e._channelReady=!0,e._maybeReady())},r.prototype._onChannelClose=function(){var e=this;e.destroyed||(e._debug("on channel close"),e._destroy())},r.prototype._onAddStream=function(e){var t=this;t.destroyed||(t._debug("on add stream"),t.emit("stream",e.stream))},r.prototype._onTrack=function(e){var t=this;t.destroyed||(t._debug("on track"),t.emit("stream",e.streams[0]))},r.prototype._onError=function(e){var t=this;t.destroyed||(t._debug("error %s",e.message||e),t._destroy(e))},r.prototype._debug=function(){var e=this,t=[].slice.call(arguments),n=e.channelName&&e.channelName.substring(0,7);t[0]="["+n+"] "+t[0],o.apply(null,t)}}).call(this,e("buffer").Buffer)},{buffer:66,debug:13,"get-browser-rtc":27,inherits:32,randombytes:41,"readable-stream":48}],50:[function(e,t,n){function r(e,t){"object"==typeof e&&(t=e,e=void 0),t=t||{};var n,r=o(e),s=r.source,f=r.id,h=r.path,l=u[f]&&h in u[f].nsps,p=t.forceNew||t["force new connection"]||!1===t.multiplex||l;return p?(c("ignoring socket cache for %s",s),n=a(s,t)):(u[f]||(c("new io instance for %s",s),u[f]=a(s,t)),n=u[f]),r.query&&!t.query?t.query=r.query:t&&"object"==typeof t.query&&(t.query=i(t.query)),n.socket(r.path,t)}function i(e){var t=[];for(var n in e)e.hasOwnProperty(n)&&t.push(encodeURIComponent(n)+"="+encodeURIComponent(e[n]));return t.join("&")}var o=e("./url"),s=e("socket.io-parser"),a=e("./manager"),c=e("debug")("socket.io-client");t.exports=n=r;var u=n.managers={};n.protocol=s.protocol,n.connect=r,n.Manager=e("./manager"),n.Socket=e("./socket")},{"./manager":51,"./socket":53,"./url":54,debug:13,"socket.io-parser":56}],51:[function(e,t){function n(e,t){return this instanceof n?(e&&"object"==typeof e&&(t=e,e=void 0),t=t||{},t.path=t.path||"/socket.io",this.nsps={},this.subs=[],this.opts=t,this.reconnection(t.reconnection!==!1),this.reconnectionAttempts(t.reconnectionAttempts||1/0),this.reconnectionDelay(t.reconnectionDelay||1e3),this.reconnectionDelayMax(t.reconnectionDelayMax||5e3),this.randomizationFactor(t.randomizationFactor||.5),this.backoff=new h({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==t.timeout?2e4:t.timeout),this.readyState="closed",this.uri=e,this.connecting=[],this.lastPing=null,this.encoding=!1,this.packetBuffer=[],this.encoder=new s.Encoder,this.decoder=new s.Decoder,this.autoConnect=t.autoConnect!==!1,void(this.autoConnect&&this.open())):new n(e,t)}var r=e("engine.io-client"),i=e("./socket"),o=e("component-emitter"),s=e("socket.io-parser"),a=e("./on"),c=e("component-bind"),u=e("debug")("socket.io-client:manager"),f=e("indexof"),h=e("backo2"),l=Object.prototype.hasOwnProperty;t.exports=n,n.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var e in this.nsps)l.call(this.nsps,e)&&this.nsps[e].emit.apply(this.nsps[e],arguments)},n.prototype.updateSocketIds=function(){for(var e in this.nsps)l.call(this.nsps,e)&&(this.nsps[e].id=this.engine.id)},o(n.prototype),n.prototype.reconnection=function(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection},n.prototype.reconnectionAttempts=function(e){return arguments.length?(this._reconnectionAttempts=e,this):this._reconnectionAttempts},n.prototype.reconnectionDelay=function(e){return arguments.length?(this._reconnectionDelay=e,this.backoff&&this.backoff.setMin(e),this):this._reconnectionDelay},n.prototype.randomizationFactor=function(e){return arguments.length?(this._randomizationFactor=e,this.backoff&&this.backoff.setJitter(e),this):this._randomizationFactor},n.prototype.reconnectionDelayMax=function(e){return arguments.length?(this._reconnectionDelayMax=e,this.backoff&&this.backoff.setMax(e),this):this._reconnectionDelayMax},n.prototype.timeout=function(e){return arguments.length?(this._timeout=e,this):this._timeout},n.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},n.prototype.open=n.prototype.connect=function(e){if(u("readyState %s",this.readyState),~this.readyState.indexOf("open"))return this;u("opening %s",this.uri),this.engine=r(this.uri,this.opts);var t=this.engine,n=this;this.readyState="opening",this.skipReconnect=!1;var i=a(t,"open",function(){n.onopen(),e&&e()}),o=a(t,"error",function(t){if(u("connect_error"),n.cleanup(),n.readyState="closed",n.emitAll("connect_error",t),e){var r=new Error("Connection error");r.data=t,e(r)}else n.maybeReconnectOnOpen()});if(!1!==this._timeout){var s=this._timeout;u("connect attempt will timeout after %d",s);var c=setTimeout(function(){u("connect attempt timed out after %d",s),i.destroy(),t.close(),t.emit("error","timeout"),n.emitAll("connect_timeout",s)},s);this.subs.push({destroy:function(){clearTimeout(c)}})}return this.subs.push(i),this.subs.push(o),this},n.prototype.onopen=function(){u("open"),this.cleanup(),this.readyState="open",this.emit("open");var e=this.engine;this.subs.push(a(e,"data",c(this,"ondata"))),this.subs.push(a(e,"ping",c(this,"onping"))),this.subs.push(a(e,"pong",c(this,"onpong"))),this.subs.push(a(e,"error",c(this,"onerror"))),this.subs.push(a(e,"close",c(this,"onclose"))),this.subs.push(a(this.decoder,"decoded",c(this,"ondecoded")))},n.prototype.onping=function(){this.lastPing=new Date,this.emitAll("ping")},n.prototype.onpong=function(){this.emitAll("pong",new Date-this.lastPing)},n.prototype.ondata=function(e){this.decoder.add(e)},n.prototype.ondecoded=function(e){this.emit("packet",e)},n.prototype.onerror=function(e){u("error",e),this.emitAll("error",e)},n.prototype.socket=function(e,t){function n(){~f(o.connecting,r)||o.connecting.push(r)}var r=this.nsps[e];if(!r){r=new i(this,e,t),this.nsps[e]=r;var o=this;r.on("connecting",n),r.on("connect",function(){r.id=o.engine.id}),this.autoConnect&&n()}return r},n.prototype.destroy=function(e){var t=f(this.connecting,e);~t&&this.connecting.splice(t,1),this.connecting.length||this.close()},n.prototype.packet=function(e){u("writing packet %j",e);var t=this;e.query&&0===e.type&&(e.nsp+="?"+e.query),t.encoding?t.packetBuffer.push(e):(t.encoding=!0,this.encoder.encode(e,function(n){for(var r=0;r<n.length;r++)t.engine.write(n[r],e.options);t.encoding=!1,t.processPacketQueue()}))},
n.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var e=this.packetBuffer.shift();this.packet(e)}},n.prototype.cleanup=function(){u("cleanup");for(var e=this.subs.length,t=0;e>t;t++){var n=this.subs.shift();n.destroy()}this.packetBuffer=[],this.encoding=!1,this.lastPing=null,this.decoder.destroy()},n.prototype.close=n.prototype.disconnect=function(){u("disconnect"),this.skipReconnect=!0,this.reconnecting=!1,"opening"===this.readyState&&this.cleanup(),this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},n.prototype.onclose=function(e){u("onclose"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",e),this._reconnection&&!this.skipReconnect&&this.reconnect()},n.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)u("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var t=this.backoff.duration();u("will wait %dms before reconnect attempt",t),this.reconnecting=!0;var n=setTimeout(function(){e.skipReconnect||(u("attempting reconnect"),e.emitAll("reconnect_attempt",e.backoff.attempts),e.emitAll("reconnecting",e.backoff.attempts),e.skipReconnect||e.open(function(t){t?(u("reconnect attempt error"),e.reconnecting=!1,e.reconnect(),e.emitAll("reconnect_error",t.data)):(u("reconnect success"),e.onreconnect())}))},t);this.subs.push({destroy:function(){clearTimeout(n)}})}},n.prototype.onreconnect=function(){var e=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",e)}},{"./on":52,"./socket":53,backo2:4,"component-bind":8,"component-emitter":10,debug:13,"engine.io-client":15,indexof:31,"socket.io-parser":56}],52:[function(e,t){function n(e,t,n){return e.on(t,n),{destroy:function(){e.removeListener(t,n)}}}t.exports=n},{}],53:[function(e,t,n){function r(e,t,n){this.io=e,this.nsp=t,this.json=this,this.ids=0,this.acks={},this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0,n&&n.query&&(this.query=n.query),this.io.autoConnect&&this.open()}var i=e("socket.io-parser"),o=e("component-emitter"),s=e("to-array"),a=e("./on"),c=e("component-bind"),u=e("debug")("socket.io-client:socket"),f=e("has-binary");t.exports=n=r;var h={connect:1,connect_error:1,connect_timeout:1,connecting:1,disconnect:1,error:1,reconnect:1,reconnect_attempt:1,reconnect_failed:1,reconnect_error:1,reconnecting:1,ping:1,pong:1},l=o.prototype.emit;o(r.prototype),r.prototype.subEvents=function(){if(!this.subs){var e=this.io;this.subs=[a(e,"open",c(this,"onopen")),a(e,"packet",c(this,"onpacket")),a(e,"close",c(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.emit("connecting"),this)},r.prototype.send=function(){var e=s(arguments);return e.unshift("message"),this.emit.apply(this,e),this},r.prototype.emit=function(e){if(h.hasOwnProperty(e))return l.apply(this,arguments),this;var t=s(arguments),n=i.EVENT;f(t)&&(n=i.BINARY_EVENT);var r={type:n,data:t};return r.options={},r.options.compress=!this.flags||!1!==this.flags.compress,"function"==typeof t[t.length-1]&&(u("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),delete this.flags,this},r.prototype.packet=function(e){e.nsp=this.nsp,this.io.packet(e)},r.prototype.onopen=function(){u("transport is open - connecting"),"/"!==this.nsp&&this.packet(this.query?{type:i.CONNECT,query:this.query}:{type:i.CONNECT})},r.prototype.onclose=function(e){u("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)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||[];u("emitting event %j",t),null!=e.id&&(u("attaching ack callback to event"),t.push(this.ack(e.id))),this.connected?l.apply(this,t):this.receiveBuffer.push(t)},r.prototype.ack=function(e){var t=this,n=!1;return function(){if(!n){n=!0;var r=s(arguments);u("sending ack %j",r);var o=f(r)?i.BINARY_ACK:i.ACK;t.packet({type:o,id:e,data:r})}}},r.prototype.onack=function(e){var t=this.acks[e.id];"function"==typeof t?(u("calling ack %s with %j",e.id,e.data),t.apply(this,e.data),delete this.acks[e.id]):u("bad ack %s",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++)l.apply(this,this.receiveBuffer[e]);for(this.receiveBuffer=[],e=0;e<this.sendBuffer.length;e++)this.packet(this.sendBuffer[e]);this.sendBuffer=[]},r.prototype.ondisconnect=function(){u("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&&(u("performing disconnect (%s)",this.nsp),this.packet({type:i.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this},r.prototype.compress=function(e){return this.flags=this.flags||{},this.flags.compress=e,this}},{"./on":52,"component-bind":8,"component-emitter":10,debug:13,"has-binary":29,"socket.io-parser":56,"to-array":59}],54:[function(e,t){(function(n){function r(e,t){var r=e;t=t||n.location,null==e&&(e=t.protocol+"//"+t.host),"string"==typeof e&&("/"===e.charAt(0)&&(e="/"===e.charAt(1)?t.protocol+e:t.host+e),/^(https?|wss?):\/\//.test(e)||(o("protocol-less url %s",e),e="undefined"!=typeof t?t.protocol+"//"+e:"https://"+e),o("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||"/";var s=-1!==r.host.indexOf(":"),a=s?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+a+":"+r.port,r.href=r.protocol+"://"+a+(t&&t.port===r.port?"":":"+r.port),r}var i=e("parseuri"),o=e("debug")("socket.io-client:url");t.exports=r}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{debug:13,parseuri:39}],55:[function(e,t,n){(function(t){var r=e("isarray"),i=e("./is-buffer");n.deconstructPacket=function(e){function t(e){if(!e)return e;if(i(e)){var o={_placeholder:!0,num:n.length};return n.push(e),o}if(r(e)){for(var s=new Array(e.length),a=0;a<e.length;a++)s[a]=t(e[a]);return s}if("object"==typeof e&&!(e instanceof Date)){var s={};for(var c in e)s[c]=t(e[c]);return s}return e}var n=[],o=e.data,s=e;return s.data=t(o),s.attachments=n.length,{packet:s,buffers:n}},n.reconstructPacket=function(e,t){function n(e){if(e&&e._placeholder){var i=t[e.num];return i}if(r(e)){for(var o=0;o<e.length;o++)e[o]=n(e[o]);return e}if(e&&"object"==typeof e){for(var s in e)e[s]=n(e[s]);return e}return e}return e.data=n(e.data),e.attachments=void 0,e},n.removeBlobs=function(e,n){function o(e,c,u){if(!e)return e;if(t.Blob&&e instanceof Blob||t.File&&e instanceof File){s++;var f=new FileReader;f.onload=function(){u?u[c]=this.result:a=this.result,--s||n(a)},f.readAsArrayBuffer(e)}else if(r(e))for(var h=0;h<e.length;h++)o(e[h],h,e);else if(e&&"object"==typeof e&&!i(e))for(var l in e)o(e[l],l,e)}var s=0,a=e;o(a),s||n(a)}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./is-buffer":57,isarray:33}],56:[function(e,t,n){function r(){}function i(e){var t="",r=!1;return t+=e.type,(n.BINARY_EVENT==e.type||n.BINARY_ACK==e.type)&&(t+=e.attachments,t+="-"),e.nsp&&"/"!=e.nsp&&(r=!0,t+=e.nsp),null!=e.id&&(r&&(t+=",",r=!1),t+=e.id),null!=e.data&&(r&&(t+=","),t+=l.stringify(e.data)),h("encoded %j as %s",e,t),t}function o(e,t){function n(e){var n=d.deconstructPacket(e),r=i(n.packet),o=n.buffers;o.unshift(r),t(o)}d.removeBlobs(e,n)}function s(){this.reconstructor=null}function a(e){var t={},r=0;if(t.type=Number(e.charAt(0)),null==n.types[t.type])return f();if(n.BINARY_EVENT==t.type||n.BINARY_ACK==t.type){for(var i="";"-"!=e.charAt(++r)&&(i+=e.charAt(r),r!=e.length););if(i!=Number(i)||"-"!=e.charAt(r))throw new Error("Illegal attachments");t.attachments=Number(i)}if("/"==e.charAt(r+1))for(t.nsp="";++r;){var o=e.charAt(r);if(","==o)break;if(t.nsp+=o,r==e.length)break}else t.nsp="/";var s=e.charAt(r+1);if(""!==s&&Number(s)==s){for(t.id="";++r;){var o=e.charAt(r);if(null==o||Number(o)!=o){--r;break}if(t.id+=e.charAt(r),r==e.length)break}t.id=Number(t.id)}return e.charAt(++r)&&(t=c(t,e.substr(r))),h("decoded %s as %j",e,t),t}function c(e,t){try{e.data=l.parse(t)}catch(n){return f()}return e}function u(e){this.reconPack=e,this.buffers=[]}function f(){return{type:n.ERROR,data:"parser error"}}var h=e("debug")("socket.io-parser"),l=e("json3"),p=e("component-emitter"),d=e("./binary"),g=e("./is-buffer");n.protocol=4,n.types=["CONNECT","DISCONNECT","EVENT","ACK","ERROR","BINARY_EVENT","BINARY_ACK"],n.CONNECT=0,n.DISCONNECT=1,n.EVENT=2,n.ACK=3,n.ERROR=4,n.BINARY_EVENT=5,n.BINARY_ACK=6,n.Encoder=r,n.Decoder=s,r.prototype.encode=function(e,t){if(h("encoding packet %j",e),n.BINARY_EVENT==e.type||n.BINARY_ACK==e.type)o(e,t);else{var r=i(e);t([r])}},p(s.prototype),s.prototype.add=function(e){var t;if("string"==typeof e)t=a(e),n.BINARY_EVENT==t.type||n.BINARY_ACK==t.type?(this.reconstructor=new u(t),0===this.reconstructor.reconPack.attachments&&this.emit("decoded",t)):this.emit("decoded",t);else{if(!g(e)&&!e.base64)throw new Error("Unknown type: "+e);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a 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