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this.query&&(this.query=m.decode(this.query)),this.upgrade=!1!==b.upgrade,this.path=(b.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!b.forceJSONP,this.jsonp=!1!==b.jsonp,this.forceBase64=!!b.forceBase64,this.enablesXDR=!!b.enablesXDR,this.timestampParam=b.timestampParam||"t",this.timestampRequests=b.timestampRequests,this.transports=b.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],this.policyPort=b.policyPort||843,this.rememberUpgrade=b.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=b.onlyBinaryUpgrades,this.perMessageDeflate=!1!==b.perMessageDeflate?b.perMessageDeflate||{}:!1,!0===this.perMessageDeflate&&(this.perMessageDeflate={}),this.perMessageDeflate&&null==this.perMessageDeflate.threshold&&(this.perMessageDeflate.threshold=1024),this.pfx=b.pfx||null,this.key=b.key||null,this.passphrase=b.passphrase||null,this.cert=b.cert||null,this.ca=b.ca||null,this.ciphers=b.ciphers||null,this.rejectUnauthorized=void 0===b.rejectUnauthorized?null:b.rejectUnauthorized;var e="object"==typeof c&&c;e.global===e&&b.extraHeaders&&Object.keys(b.extraHeaders).length>0&&(this.extraHeaders=b.extraHeaders),this.open()}function e(a){var b={};for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c]);return b}var f=a("./transports"),g=a("component-emitter"),h=a("debug")("engine.io-client:socket"),i=a("indexof"),j=a("engine.io-parser"),k=a("parseuri"),l=a("parsejson"),m=a("parseqs");b.exports=d,d.priorWebsocketSuccess=!1,g(d.prototype),d.protocol=j.protocol,d.Socket=d,d.Transport=a("./transport"),d.transports=a("./transports"),d.parser=a("engine.io-parser"),d.prototype.createTransport=function(a){h('creating transport "%s"',a);var b=e(this.query);b.EIO=j.protocol,b.transport=a,this.id&&(b.sid=this.id);var c=new f[a]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:b,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 c},d.prototype.open=function(){var a;if(this.rememberUpgrade&&d.priorWebsocketSuccess&&-1!=this.transports.indexOf("websocket"))a="websocket";else{if(0===this.transports.length){var b=this;return void setTimeout(function(){b.emit("error","No transports available")},0)}a=this.transports[0]}this.readyState="opening";try{a=this.createTransport(a)}catch(c){return this.transports.shift(),void this.open()}a.open(),this.setTransport(a)},d.prototype.setTransport=function(a){h("setting transport %s",a.name);var b=this;this.transport&&(h("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=a,a.on("drain",function(){b.onDrain()}).on("packet",function(a){b.onPacket(a)}).on("error",function(a){b.onError(a)}).on("close",function(){b.onClose("transport close")})},d.prototype.probe=function(a){function b(){if(m.onlyBinaryUpgrades){var b=!this.supportsBinary&&m.transport.supportsBinary;l=l||b}l||(h('probe transport "%s" opened',a),k.send([{type:"ping",data:"probe"}]),k.once("packet",function(b){if(!l)if("pong"==b.type&&"probe"==b.data){if(h('probe transport "%s" pong',a),m.upgrading=!0,m.emit("upgrading",k),!k)return;d.priorWebsocketSuccess="websocket"==k.name,h('pausing current transport "%s"',m.transport.name),m.transport.pause(function(){l||"closed"!=m.readyState&&(h("changing transport and sending upgrade packet"),j(),m.setTransport(k),k.send([{type:"upgrade"}]),m.emit("upgrade",k),k=null,m.upgrading=!1,m.flush())})}else{h('probe transport "%s" failed',a);var c=new Error("probe error");c.transport=k.name,m.emit("upgradeError",c)}}))}function c(){l||(l=!0,j(),k.close(),k=null)}function e(b){var d=new Error("probe error: "+b);d.transport=k.name,c(),h('probe transport "%s" failed because of error: %s',a,b),m.emit("upgradeError",d)}function f(){e("transport closed")}function g(){e("socket closed")}function i(a){k&&a.name!=k.name&&(h('"%s" works - aborting "%s"',a.name,k.name),c())}function j(){k.removeListener("open",b),k.removeListener("error",e),k.removeListener("close",f),m.removeListener("close",g),m.removeListener("upgrading",i)}h('probing transport "%s"',a);var k=this.createTransport(a,{probe:1}),l=!1,m=this;d.priorWebsocketSuccess=!1,k.once("open",b),k.once("error",e),k.once("close",f),this.once("close",g),this.once("upgrading",i),k.open()},d.prototype.onOpen=function(){if(h("socket open"),this.readyState="open",d.priorWebsocketSuccess="websocket"==this.transport.name,this.emit("open"),this.flush(),"open"==this.readyState&&this.upgrade&&this.transport.pause){h("starting upgrade probes");for(var a=0,b=this.upgrades.length;b>a;a++)this.probe(this.upgrades[a])}},d.prototype.onPacket=function(a){if("opening"==this.readyState||"open"==this.readyState)switch(h('socket receive: type "%s", data "%s"',a.type,a.data),this.emit("packet",a),this.emit("heartbeat"),a.type){case"open":this.onHandshake(l(a.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var b=new Error("server error");b.code=a.data,this.onError(b);break;case"message":this.emit("data",a.data),this.emit("message",a.data)}else h('packet received with socket readyState "%s"',this.readyState)},d.prototype.onHandshake=function(a){this.emit("handshake",a),this.id=a.sid,this.transport.query.sid=a.sid,this.upgrades=this.filterUpgrades(a.upgrades),this.pingInterval=a.pingInterval,this.pingTimeout=a.pingTimeout,this.onOpen(),"closed"!=this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},d.prototype.onHeartbeat=function(a){clearTimeout(this.pingTimeoutTimer);var b=this;b.pingTimeoutTimer=setTimeout(function(){"closed"!=b.readyState&&b.onClose("ping timeout")},a||b.pingInterval+b.pingTimeout)},d.prototype.setPing=function(){var a=this;clearTimeout(a.pingIntervalTimer),a.pingIntervalTimer=setTimeout(function(){h("writing ping packet - expecting pong within %sms",a.pingTimeout),a.ping(),a.onHeartbeat(a.pingTimeout)},a.pingInterval)},d.prototype.ping=function(){var a=this;this.sendPacket("ping",function(){a.emit("ping")})},d.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emit("drain"):this.flush()},d.prototype.flush=function(){"closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(h("flushing %d packets in socket",this.writeBuffer.length),this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))},d.prototype.write=d.prototype.send=function(a,b,c){return this.sendPacket("message",a,b,c),this},d.prototype.sendPacket=function(a,b,c,d){if("function"==typeof b&&(d=b,b=void 0),"function"==typeof c&&(d=c,c=null),"closing"!=this.readyState&&"closed"!=this.readyState){c=c||{},c.compress=!1!==c.compress;var e={type:a,data:b,options:c};this.emit("packetCreate",e),this.writeBuffer.push(e),d&&this.once("flush",d),this.flush()}},d.prototype.close=function(){function a(){d.onClose("forced close"),h("socket closing - telling transport to close"),d.transport.close()}function b(){d.removeListener("upgrade",b),d.removeListener("upgradeError",b),a()}function c(){d.once("upgrade",b),d.once("upgradeError",b)}if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var d=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?c():a()}):this.upgrading?c():a()}return this},d.prototype.onError=function(a){h("socket error %j",a),d.priorWebsocketSuccess=!1,this.emit("error",a),this.onClose("transport error",a)},d.prototype.onClose=function(a,b){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){h('socket close with reason: "%s"',a);var c=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",a,b),c.writeBuffer=[],c.prevBufferLen=0}},d.prototype.filterUpgrades=function(a){for(var b=[],c=0,d=a.length;d>c;c++)~i(this.transports,a[c])&&b.push(a[c]);return b}}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./transport":19,"./transports":20,"component-emitter":26,debug:14,"engine.io-parser":27,indexof:33,parsejson:37,parseqs:38,parseuri:39}],19:[function(a,b,c){function d(a){this.path=a.path,this.hostname=a.hostname,this.port=a.port,this.secure=a.secure,this.query=a.query,this.timestampParam=a.timestampParam,this.timestampRequests=a.timestampRequests,this.readyState="",this.agent=a.agent||!1,this.socket=a.socket,this.enablesXDR=a.enablesXDR,this.pfx=a.pfx,this.key=a.key,this.passphrase=a.passphrase,this.cert=a.cert,this.ca=a.ca,this.ciphers=a.ciphers,this.rejectUnauthorized=a.rejectUnauthorized,this.extraHeaders=a.extraHeaders}var e=a("engine.io-parser"),f=a("component-emitter");b.exports=d,f(d.prototype),d.prototype.onError=function(a,b){var c=new Error(a);return c.type="TransportError",c.description=b,this.emit("error",c),this},d.prototype.open=function(){return("closed"==this.readyState||""==this.readyState)&&(this.readyState="opening",this.doOpen()),this},d.prototype.close=function(){return("opening"==this.readyState||"open"==this.readyState)&&(this.doClose(),this.onClose()),this},d.prototype.send=function(a){if("open"!=this.readyState)throw new Error("Transport not open");this.write(a)},d.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},d.prototype.onData=function(a){var b=e.decodePacket(a,this.socket.binaryType);this.onPacket(b)},d.prototype.onPacket=function(a){this.emit("packet",a)},d.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":26,"engine.io-parser":27}],20:[function(a,b,c){(function(b){function d(a){var c,d=!1,h=!1,i=!1!==a.jsonp;if(b.location){var j="https:"==location.protocol,k=location.port;k||(k=j?443:80),d=a.hostname!=location.hostname||k!=a.port,h=a.secure!=j}if(a.xdomain=d,a.xscheme=h,c=new e(a),"open"in c&&!a.forceJSONP)return new f(a);if(!i)throw new Error("JSONP disabled");return new g(a)}var e=a("xmlhttprequest-ssl"),f=a("./polling-xhr"),g=a("./polling-jsonp"),h=a("./websocket");c.polling=d,c.websocket=h}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./polling-jsonp":21,"./polling-xhr":22,"./websocket":24,"xmlhttprequest-ssl":25}],21:[function(a,b,c){(function(c){function d(){}function e(a){f.call(this,a),this.query=this.query||{},h||(c.___eio||(c.___eio=[]),h=c.___eio),this.index=h.length;var b=this;h.push(function(a){b.onData(a)}),this.query.j=this.index,c.document&&c.addEventListener&&c.addEventListener("beforeunload",function(){b.script&&(b.script.onerror=d)},!1)}var f=a("./polling"),g=a("component-inherit");b.exports=e;var h,i=/\n/g,j=/\\n/g;g(e,f),e.prototype.supportsBinary=!1,e.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),f.prototype.doClose.call(this)},e.prototype.doPoll=function(){var a=this,b=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),b.async=!0,b.src=this.uri(),b.onerror=function(b){a.onError("jsonp poll error",b)};var c=document.getElementsByTagName("script")[0];c.parentNode.insertBefore(b,c),this.script=b;var d="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);
d&&setTimeout(function(){var a=document.createElement("iframe");document.body.appendChild(a),document.body.removeChild(a)},100)},e.prototype.doWrite=function(a,b){function c(){d(),b()}function d(){if(e.iframe)try{e.form.removeChild(e.iframe)}catch(a){e.onError("jsonp polling iframe removal error",a)}try{var b='<iframe src="javascript:0" name="'+e.iframeId+'">';f=document.createElement(b)}catch(a){f=document.createElement("iframe"),f.name=e.iframeId,f.src="javascript:0"}f.id=e.iframeId,e.form.appendChild(f),e.iframe=f}var e=this;if(!this.form){var f,g=document.createElement("form"),h=document.createElement("textarea"),k=this.iframeId="eio_iframe_"+this.index;g.className="socketio",g.style.position="absolute",g.style.top="-1000px",g.style.left="-1000px",g.target=k,g.method="POST",g.setAttribute("accept-charset","utf-8"),h.name="d",g.appendChild(h),document.body.appendChild(g),this.form=g,this.area=h}this.form.action=this.uri(),d(),a=a.replace(j,"\\\n"),this.area.value=a.replace(i,"\\n");try{this.form.submit()}catch(l){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"==e.iframe.readyState&&c()}:this.iframe.onload=c}}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./polling":23,"component-inherit":13}],22:[function(a,b,c){(function(c){function d(){}function e(a){if(i.call(this,a),c.location){var b="https:"==location.protocol,d=location.port;d||(d=b?443:80),this.xd=a.hostname!=c.location.hostname||d!=a.port,this.xs=a.secure!=b}else this.extraHeaders=a.extraHeaders}function f(a){this.method=a.method||"GET",this.uri=a.uri,this.xd=!!a.xd,this.xs=!!a.xs,this.async=!1!==a.async,this.data=void 0!=a.data?a.data:null,this.agent=a.agent,this.isBinary=a.isBinary,this.supportsBinary=a.supportsBinary,this.enablesXDR=a.enablesXDR,this.pfx=a.pfx,this.key=a.key,this.passphrase=a.passphrase,this.cert=a.cert,this.ca=a.ca,this.ciphers=a.ciphers,this.rejectUnauthorized=a.rejectUnauthorized,this.extraHeaders=a.extraHeaders,this.create()}function g(){for(var a in f.requests)f.requests.hasOwnProperty(a)&&f.requests[a].abort()}var h=a("xmlhttprequest-ssl"),i=a("./polling"),j=a("component-emitter"),k=a("component-inherit"),l=a("debug")("engine.io-client:polling-xhr");b.exports=e,b.exports.Request=f,k(e,i),e.prototype.supportsBinary=!0,e.prototype.request=function(a){return a=a||{},a.uri=this.uri(),a.xd=this.xd,a.xs=this.xs,a.agent=this.agent||!1,a.supportsBinary=this.supportsBinary,a.enablesXDR=this.enablesXDR,a.pfx=this.pfx,a.key=this.key,a.passphrase=this.passphrase,a.cert=this.cert,a.ca=this.ca,a.ciphers=this.ciphers,a.rejectUnauthorized=this.rejectUnauthorized,a.extraHeaders=this.extraHeaders,new f(a)},e.prototype.doWrite=function(a,b){var c="string"!=typeof a&&void 0!==a,d=this.request({method:"POST",data:a,isBinary:c}),e=this;d.on("success",b),d.on("error",function(a){e.onError("xhr post error",a)}),this.sendXhr=d},e.prototype.doPoll=function(){l("xhr poll");var a=this.request(),b=this;a.on("data",function(a){b.onData(a)}),a.on("error",function(a){b.onError("xhr poll error",a)}),this.pollXhr=a},j(f.prototype),f.prototype.create=function(){var a={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};a.pfx=this.pfx,a.key=this.key,a.passphrase=this.passphrase,a.cert=this.cert,a.ca=this.ca,a.ciphers=this.ciphers,a.rejectUnauthorized=this.rejectUnauthorized;var b=this.xhr=new h(a),d=this;try{l("xhr open %s: %s",this.method,this.uri),b.open(this.method,this.uri,this.async);try{if(this.extraHeaders){b.setDisableHeaderCheck(!0);for(var e in this.extraHeaders)this.extraHeaders.hasOwnProperty(e)&&b.setRequestHeader(e,this.extraHeaders[e])}}catch(g){}if(this.supportsBinary&&(b.responseType="arraybuffer"),"POST"==this.method)try{this.isBinary?b.setRequestHeader("Content-type","application/octet-stream"):b.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(g){}"withCredentials"in b&&(b.withCredentials=!0),this.hasXDR()?(b.onload=function(){d.onLoad()},b.onerror=function(){d.onError(b.responseText)}):b.onreadystatechange=function(){4==b.readyState&&(200==b.status||1223==b.status?d.onLoad():setTimeout(function(){d.onError(b.status)},0))},l("xhr data %s",this.data),b.send(this.data)}catch(g){return void setTimeout(function(){d.onError(g)},0)}c.document&&(this.index=f.requestsCount++,f.requests[this.index]=this)},f.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},f.prototype.onData=function(a){this.emit("data",a),this.onSuccess()},f.prototype.onError=function(a){this.emit("error",a),this.cleanup(!0)},f.prototype.cleanup=function(a){if("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=d:this.xhr.onreadystatechange=d,a)try{this.xhr.abort()}catch(b){}c.document&&delete f.requests[this.index],this.xhr=null}},f.prototype.onLoad=function(){var a;try{var b;try{b=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(c){}if("application/octet-stream"===b)a=this.xhr.response;else if(this.supportsBinary)try{a=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(c){for(var d=new Uint8Array(this.xhr.response),e=[],f=0,g=d.length;g>f;f++)e.push(d[f]);a=String.fromCharCode.apply(null,e)}else a=this.xhr.responseText}catch(c){this.onError(c)}null!=a&&this.onData(a)},f.prototype.hasXDR=function(){return"undefined"!=typeof c.XDomainRequest&&!this.xs&&this.enablesXDR},f.prototype.abort=function(){this.cleanup()},c.document&&(f.requestsCount=0,f.requests={},c.attachEvent?c.attachEvent("onunload",g):c.addEventListener&&c.addEventListener("beforeunload",g,!1))}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./polling":23,"component-emitter":26,"component-inherit":13,debug:14,"xmlhttprequest-ssl":25}],23:[function(a,b,c){function d(a){var b=a&&a.forceBase64;(!k||b)&&(this.supportsBinary=!1),e.call(this,a)}var e=a("../transport"),f=a("parseqs"),g=a("engine.io-parser"),h=a("component-inherit"),i=a("yeast"),j=a("debug")("engine.io-client:polling");b.exports=d;var k=function(){var b=a("xmlhttprequest-ssl"),c=new b({xdomain:!1});return null!=c.responseType}();h(d,e),d.prototype.name="polling",d.prototype.doOpen=function(){this.poll()},d.prototype.pause=function(a){function b(){j("paused"),c.readyState="paused",a()}var c=this;if(this.readyState="pausing",this.polling||!this.writable){var d=0;this.polling&&(j("we are currently polling - waiting to pause"),d++,this.once("pollComplete",function(){j("pre-pause polling complete"),--d||b()})),this.writable||(j("we are currently writing - waiting to pause"),d++,this.once("drain",function(){j("pre-pause writing complete"),--d||b()}))}else b()},d.prototype.poll=function(){j("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},d.prototype.onData=function(a){var b=this;j("polling got data %s",a);var c=function(a,c,d){return"opening"==b.readyState&&b.onOpen(),"close"==a.type?(b.onClose(),!1):void b.onPacket(a)};g.decodePayload(a,this.socket.binaryType,c),"closed"!=this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"==this.readyState?this.poll():j('ignoring poll - transport state "%s"',this.readyState))},d.prototype.doClose=function(){function a(){j("writing close packet"),b.write([{type:"close"}])}var b=this;"open"==this.readyState?(j("transport open - closing"),a()):(j("transport not open - deferring close"),this.once("open",a))},d.prototype.write=function(a){var b=this;this.writable=!1;var c=function(){b.writable=!0,b.emit("drain")},b=this;g.encodePayload(a,this.supportsBinary,function(a){b.doWrite(a,c)})},d.prototype.uri=function(){var 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