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f={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},p=o.prototype.emit;function l(t,e,n){this.io=t,this.nsp=e,this.json=this,this.ids=0,this.acks={},this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0,this.flags={},n&&n.query&&(this.query=n.query),this.io.autoConnect&&this.open()}o(l.prototype),l.prototype.subEvents=function(){if(!this.subs){var t=this.io;this.subs=[s(t,"open",a(this,"onopen")),s(t,"packet",a(this,"onpacket")),s(t,"close",a(this,"onclose"))]}},l.prototype.open=l.prototype.connect=function(){return this.connected||(this.subEvents(),this.io.reconnecting||this.io.open(),"open"===this.io.readyState&&this.onopen(),this.emit("connecting")),this},l.prototype.send=function(){var t=i(arguments);return t.unshift("message"),this.emit.apply(this,t),this},l.prototype.emit=function(t){if(f.hasOwnProperty(t))return 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this.query&&(this.query=u.decode(this.query)),this.upgrade=!1!==e.upgrade,this.path=(e.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!e.forceJSONP,this.jsonp=!1!==e.jsonp,this.forceBase64=!!e.forceBase64,this.enablesXDR=!!e.enablesXDR,this.withCredentials=!1!==e.withCredentials,this.timestampParam=e.timestampParam||"t",this.timestampRequests=e.timestampRequests,this.transports=e.transports||["polling","websocket"],this.transportOptions=e.transportOptions||{},this.readyState="",this.writeBuffer=[],this.prevBufferLen=0,this.policyPort=e.policyPort||843,this.rememberUpgrade=e.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=e.onlyBinaryUpgrades,this.perMessageDeflate=!1!==e.perMessageDeflate&&(e.perMessageDeflate||{}),!0===this.perMessageDeflate&&(this.perMessageDeflate={}),this.perMessageDeflate&&null==this.perMessageDeflate.threshold&&(this.perMessageDeflate.threshold=1024),this.pfx=e.pfx||null,this.key=e.key||null,this.passphrase=e.passphrase||null,this.cert=e.cert||null,this.ca=e.ca||null,this.ciphers=e.ciphers||null,this.rejectUnauthorized=void 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r[t]({query:e,socket:this,agent:n.agent||this.agent,hostname:n.hostname||this.hostname,port:n.port||this.port,secure:n.secure||this.secure,path:n.path||this.path,forceJSONP:n.forceJSONP||this.forceJSONP,jsonp:n.jsonp||this.jsonp,forceBase64:n.forceBase64||this.forceBase64,enablesXDR:n.enablesXDR||this.enablesXDR,withCredentials:n.withCredentials||this.withCredentials,timestampRequests:n.timestampRequests||this.timestampRequests,timestampParam:n.timestampParam||this.timestampParam,policyPort:n.policyPort||this.policyPort,pfx:n.pfx||this.pfx,key:n.key||this.key,passphrase:n.passphrase||this.passphrase,cert:n.cert||this.cert,ca:n.ca||this.ca,ciphers:n.ciphers||this.ciphers,rejectUnauthorized:n.rejectUnauthorized||this.rejectUnauthorized,perMessageDeflate:n.perMessageDeflate||this.perMessageDeflate,extraHeaders:n.extraHeaders||this.extraHeaders,forceNode:n.forceNode||this.forceNode,localAddress:n.localAddress||this.localAddress,requestTimeout:n.requestTimeout||this.requestTimeout,protocols:n.protocols||void 0,isReactNative:this.isReactNative})},h.prototype.open=function(){var t;if(this.rememberUpgrade&&h.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length){var e=this;return void setTimeout((function(){e.emit("error","No transports available")}),0)}t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)},h.prototype.setTransport=function(t){i("setting transport %s",t.name);var e=this;this.transport&&(i("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=t,t.on("drain",(function(){e.onDrain()})).on("packet",(function(t){e.onPacket(t)})).on("error",(function(t){e.onError(t)})).on("close",(function(){e.onClose("transport close")}))},h.prototype.probe=function(t){i('probing transport "%s"',t);var e=this.createTransport(t,{probe:1}),n=!1,r=this;function o(){if(r.onlyBinaryUpgrades){var o=!this.supportsBinary&&r.transport.supportsBinary;n=n||o}n||(i('probe transport "%s" opened',t),e.send([{type:"ping",data:"probe"}]),e.once("packet",(function(o){if(!n)if("pong"===o.type&&"probe"===o.data){if(i('probe transport "%s" pong',t),r.upgrading=!0,r.emit("upgrading",e),!e)return;h.priorWebsocketSuccess="websocket"===e.name,i('pausing current transport "%s"',r.transport.name),r.transport.pause((function(){n||"closed"!==r.readyState&&(i("changing transport and sending upgrade packet"),p(),r.setTransport(e),e.send([{type:"upgrade"}]),r.emit("upgrade",e),e=null,r.upgrading=!1,r.flush())}))}else{i('probe transport "%s" failed',t);var s=new Error("probe error");s.transport=e.name,r.emit("upgradeError",s)}})))}function s(){n||(n=!0,p(),e.close(),e=null)}function a(n){var o=new Error("probe error: "+n);o.transport=e.name,s(),i('probe transport "%s" failed because of error: %s',t,n),r.emit("upgradeError",o)}function c(){a("transport closed")}function u(){a("socket closed")}function f(t){e&&t.name!==e.name&&(i('"%s" works - aborting "%s"',t.name,e.name),s())}function p(){e.removeListener("open",o),e.removeListener("error",a),e.removeListener("close",c),r.removeListener("close",u),r.removeListener("upgrading",f)}h.priorWebsocketSuccess=!1,e.once("open",o),e.once("error",a),e.once("close",c),this.once("close",u),this.once("upgrading",f),e.open()},h.prototype.onOpen=function(){if(i("socket open"),this.readyState="open",h.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("open"),this.flush(),"open"===this.readyState&&this.upgrade&&this.transport.pause){i("starting upgrade probes");for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},h.prototype.onPacket=function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(i('socket receive: type "%s", data 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e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var o={type:t,data:e,options:n};this.emit("packetCreate",o),this.writeBuffer.push(o),r&&this.once("flush",r),this.flush()}},h.prototype.close=function(){if("opening"===this.readyState||"open"===this.readyState){this.readyState="closing";var t=this;this.writeBuffer.length?this.once("drain",(function(){this.upgrading?r():e()})):this.upgrading?r():e()}function e(){t.onClose("forced close"),i("socket closing - telling transport to close"),t.transport.close()}function n(){t.removeListener("upgrade",n),t.removeListener("upgradeError",n),e()}function r(){t.once("upgrade",n),t.once("upgradeError",n)}return this},h.prototype.onError=function(t){i("socket error %j",t),h.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},h.prototype.onClose=function(t,e){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState){i('socket close with reason: "%s"',t);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",t,e),this.writeBuffer=[],this.prevBufferLen=0}},h.prototype.filterUpgrades=function(t){for(var e=[],n=0,r=t.length;n<r;n++)~s(this.transports,t[n])&&e.push(t[n]);return e}},function(t,e){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(e){t.exports=!1}},function(t,e,n){var r=n(9),o=n(21),i=n(12),s=n(3),a=n(4)("engine.io-client:polling-xhr"),c=n(10);function u(){}function h(t){if(o.call(this,t),this.requestTimeout=t.requestTimeout,this.extraHeaders=t.extraHeaders,"undefined"!=typeof location){var e="https:"===location.protocol,n=location.port;n||(n=e?443:80),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||n!==t.port,this.xs=t.secure!==e}}function f(t){this.method=t.method||"GET",this.uri=t.uri,this.xd=!!t.xd,this.xs=!!t.xs,this.async=!1!==t.async,this.data=void 0!==t.data?t.data:null,this.agent=t.agent,this.isBinary=t.isBinary,this.supportsBinary=t.supportsBinary,this.enablesXDR=t.enablesXDR,this.withCredentials=t.withCredentials,this.requestTimeout=t.requestTimeout,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.extraHeaders=t.extraHeaders,this.create()}if(t.exports=h,t.exports.Request=f,s(h,o),h.prototype.supportsBinary=!0,h.prototype.request=function(t){return(t=t||{}).uri=this.uri(),t.xd=this.xd,t.xs=this.xs,t.agent=this.agent||!1,t.supportsBinary=this.supportsBinary,t.enablesXDR=this.enablesXDR,t.withCredentials=this.withCredentials,t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized,t.requestTimeout=this.requestTimeout,t.extraHeaders=this.extraHeaders,new f(t)},h.prototype.doWrite=function(t,e){var n="string"!=typeof t&&void 0!==t,r=this.request({method:"POST",data:t,isBinary:n}),o=this;r.on("success",e),r.on("error",(function(t){o.onError("xhr post error",t)})),this.sendXhr=r},h.prototype.doPoll=function(){a("xhr poll");var t=this.request(),e=this;t.on("data",(function(t){e.onData(t)})),t.on("error",(function(t){e.onError("xhr poll error",t)})),this.pollXhr=t},i(f.prototype),f.prototype.create=function(){var t={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized;var e=this.xhr=new r(t),n=this;try{a("xhr open %s: %s",this.method,this.uri),e.open(this.method,this.uri,this.async);try{if(this.extraHeaders)for(var o in 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