(function(e){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=e()}else if(typeof define==="function"&&define.amd){define([],e)}else{var t;if(typeof window!=="undefined"){t=window}else if(typeof global!=="undefined"){t=global}else if(typeof self!=="undefined"){t=self}else{t=this}t.io=e()}})(function(){var e,t,r;return function n(e,t,r){function i(s,a){if(!t[s]){if(!e[s]){var c=typeof require=="function"&&require;if(!a&&c)return c(s,!0);if(o)return o(s,!0);var f=new Error("Cannot find module '"+s+"'");throw f.code="MODULE_NOT_FOUND",f}var u=t[s]={exports:{}};e[s][0].call(u.exports,function(t){var r=e[s][1][t];return i(r?r:t)},u,u.exports,n,e,t,r)}return t[s].exports}var o=typeof require=="function"&&require;for(var s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t,r){t.exports=e("./lib/")},{"./lib/":2}],2:[function(e,t,r){t.exports=e("./socket");t.exports.parser=e("engine.io-parser")},{"./socket":3,"engine.io-parser":19}],3:[function(e,t,r){(function(r){var n=e("./transports");var i=e("component-emitter");var o=e("debug")("engine.io-client:socket");var s=e("indexof");var a=e("engine.io-parser");var c=e("parseuri");var f=e("parsejson");var u=e("parseqs");t.exports=l;function p(){}function l(e,t){if(!(this instanceof l))return new l(e,t);t=t||{};if(e&&"object"==typeof e){t=e;e=null}if(e){e=c(e);t.hostname=e.host;t.secure=e.protocol=="https"||e.protocol=="wss";t.port=e.port;if(e.query)t.query=e.query}else if(t.host){t.hostname=c(t.host).host}this.secure=null!=t.secure?t.secure:r.location&&"https:"==location.protocol;if(t.hostname&&!t.port){t.port=this.secure?"443":"80"}this.agent=t.agent||false;this.hostname=t.hostname||(r.location?location.hostname:"localhost");this.port=t.port||(r.location&&location.port?location.port:this.secure?443:80);this.query=t.query||{};if("string"==typeof this.query)this.query=u.decode(this.query);this.upgrade=false!==t.upgrade;this.path=(t.path||"/engine.io").replace(/\/$/,"")+"/";this.forceJSONP=!!t.forceJSONP;this.jsonp=false!==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.policyPort=t.policyPort||843;this.rememberUpgrade=t.rememberUpgrade||false;this.binaryType=null;this.onlyBinaryUpgrades=t.onlyBinaryUpgrades;this.perMessageDeflate=false!==t.perMessageDeflate?t.perMessageDeflate||{}:false;if(true===this.perMessageDeflate)this.perMessageDeflate={};if(this.perMessageDeflate&&null==this.perMessageDeflate.threshold){this.perMessageDeflate.threshold=1024}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===undefined?null:t.rejectUnauthorized;var n=typeof r=="object"&&r;if(n.global===n){if(t.extraHeaders&&Object.keys(t.extraHeaders).length>0){this.extraHeaders=t.extraHeaders}}this.open()}l.priorWebsocketSuccess=false;i(l.prototype);l.protocol=a.protocol;l.Socket=l;l.Transport=e("./transport");l.transports=e("./transports");l.parser=e("engine.io-parser");l.prototype.createTransport=function(e){o('creating transport "%s"',e);var t=h(this.query);t.EIO=a.protocol;t.transport=e;if(this.id)t.sid=this.id;var r=new n[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 r};function h(e){var t={};for(var r in e){if(e.hasOwnProperty(r)){t[r]=e[r]}}return t}l.prototype.open=function(){var e;if(this.rememberUpgrade&&l.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}else{e=this.transports[0]}this.readyState="opening";try{e=this.createTransport(e)}catch(r){this.transports.shift();this.open();return}e.open();this.setTransport(e)};l.prototype.setTransport=function(e){o("setting transport %s",e.name);var t=this;if(this.transport){o("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")})};l.prototype.probe=function(e){o('probing transport "%s"',e);var t=this.createTransport(e,{probe:1}),r=false,n=this;l.priorWebsocketSuccess=false;function i(){if(n.onlyBinaryUpgrades){var i=!this.supportsBinary&&n.transport.supportsBinary;r=r||i}if(r)return;o('probe transport "%s" opened',e);t.send([{type:"ping",data:"probe"}]);t.once("packet",function(i){if(r)return;if("pong"==i.type&&"probe"==i.data){o('probe transport "%s" pong',e);n.upgrading=true;n.emit("upgrading",t);if(!t)return;l.priorWebsocketSuccess="websocket"==t.name;o('pausing current transport "%s"',n.transport.name);n.transport.pause(function(){if(r)return;if("closed"==n.readyState)return;o("changing transport and sending upgrade packet");p();n.setTransport(t);t.send([{type:"upgrade"}]);n.emit("upgrade",t);t=null;n.upgrading=false;n.flush()})}else{o('probe transport "%s" failed',e);var s=new Error("probe error");s.transport=t.name;n.emit("upgradeError",s)}})}function s(){if(r)return;r=true;p();t.close();t=null}function a(r){var i=new Error("probe error: "+r);i.transport=t.name;s();o('probe transport "%s" failed because of error: %s',e,r);n.emit("upgradeError",i)}function c(){a("transport closed")}function f(){a("socket closed")}function u(e){if(t&&e.name!=t.name){o('"%s" works - aborting "%s"',e.name,t.name);s()}}function p(){t.removeListener("open",i);t.removeListener("error",a);t.removeListener("close",c);n.removeListener("close",f);n.removeListener("upgrading",u)}t.once("open",i);t.once("error",a);t.once("close",c);this.once("close",f);this.once("upgrading",u);t.open()};l.prototype.onOpen=function(){o("socket open");this.readyState="open";l.priorWebsocketSuccess="websocket"==this.transport.name;this.emit("open");this.flush();if("open"==this.readyState&&this.upgrade&&this.transport.pause){o("starting upgrade probes");for(var e=0,t=this.upgrades.length;e<t;e++){this.probe(this.upgrades[e])}}};l.prototype.onPacket=function(e){if("opening"==this.readyState||"open"==this.readyState){o('socket receive: type "%s", data "%s"',e.type,e.data);this.emit("packet",e);this.emit("heartbeat");switch(e.type){case"open":this.onHandshake(f(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);break}}else{o('packet received with socket readyState "%s"',this.readyState)}};l.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)};l.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)};l.prototype.setPing=function(){var e=this;clearTimeout(e.pingIntervalTimer);e.pingIntervalTimer=setTimeout(function(){o("writing ping packet - expecting pong within %sms",e.pingTimeout);e.ping();e.onHeartbeat(e.pingTimeout)},e.pingInterval)};l.prototype.ping=function(){var e=this;this.sendPacket("ping",function(){e.emit("ping")})};l.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen);this.prevBufferLen=0;if(0===this.writeBuffer.length){this.emit("drain")}else{this.flush()}};l.prototype.flush=function(){if("closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){o("flushing %d packets in socket",this.writeBuffer.length);this.transport.send(this.writeBuffer);this.prevBufferLen=this.writeBuffer.length;this.emit("flush")}};l.prototype.write=l.prototype.send=function(e,t,r){this.sendPacket("message",e,t,r);return this};l.prototype.sendPacket=function(e,t,r,n){if("function"==typeof t){n=t;t=undefined}if("function"==typeof r){n=r;r=null}if("closing"==this.readyState||"closed"==this.readyState){return}r=r||{};r.compress=false!==r.compress;var i={type:e,data:t,options:r};this.emit("packetCreate",i);this.writeBuffer.push(i);if(n)this.once("flush",n);this.flush()};l.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var e=this;if(this.writeBuffer.length){this.once("drain",function(){if(this.upgrading){n()}else{t()}})}else if(this.upgrading){n()}else{t()}}function t(){e.onClose("forced close");o("socket closing - telling transport to close");e.transport.close()}function r(){e.removeListener("upgrade",r);e.removeListener("upgradeError",r);t()}function n(){e.once("upgrade",r);e.once("upgradeError",r)}return this};l.prototype.onError=function(e){o("socket error %j",e);l.priorWebsocketSuccess=false;this.emit("error",e);this.onClose("transport error",e)};l.prototype.onClose=function(e,t){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){o('socket close with reason: "%s"',e);var r=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);r.writeBuffer=[];r.prevBufferLen=0}};l.prototype.filterUpgrades=function(e){var t=[];for(var r=0,n=e.length;r<n;r++){if(~s(this.transports,e[r]))t.push(e[r])}return t}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:{})},{"./transport":4,"./transports":5,"component-emitter":15,debug:17,"engine.io-parser":19,indexof:23,parsejson:26,parseqs:27,parseuri:28}],4:[function(e,t,r){var n=e("engine.io-parser");var i=e("component-emitter");t.exports=o;function o(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||false;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}i(o.prototype);o.prototype.onError=function(e,t){var r=new Error(e);r.type="TransportError";r.description=t;this.emit("error",r);return this};o.prototype.open=function(){if("closed"==this.readyState||""==this.readyState){this.readyState="opening";this.doOpen()}return this};o.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.doClose();this.onClose()}return this};o.prototype.send=function(e){if("open"==this.readyState){this.write(e)}else{throw new Error("Transport not open")}};o.prototype.onOpen=function(){this.readyState="open";this.writable=true;this.emit("open")};o.prototype.onData=function(e){var t=n.decodePacket(e,this.socket.binaryType);this.onPacket(t)};o.prototype.onPacket=function(e){this.emit("packet",e)};o.prototype.onClose=function(){this.readyState="closed";this.emit("close")}},{"component-emitter":15,"engine.io-parser":19}],5:[function(e,t,r){(function(t){var n=e("xmlhttprequest-ssl");var i=e("./polling-xhr");var o=e("./polling-jsonp");var s=e("./websocket");r.polling=a;r.websocket=s;function a(e){var r;var s=false;var a=false;var c=false!==e.jsonp;if(t.location){var f="https:"==location.protocol;var u=location.port;if(!u){u=f?443:80}s=e.hostname!=location.hostname||u!=e.port;a=e.secure!=f}e.xdomain=s;e.xscheme=a;r=new n(e);if("open"in r&&!e.forceJSONP){return new i(e)}else{if(!c)throw new Error("JSONP disabled");return new o(e)}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:{})},{"./polling-jsonp":6,"./polling-xhr":7,"./websocket":9,"xmlhttprequest-ssl":10}],6:[function(e,t,r){(function(r){var n=e("./polling");var i=e("component-inherit");t.exports=u;var o=/\n/g;var s=/\\n/g;var a;var c=0;function f(){}function u(e){n.call(this,e);this.query=this.query||{};if(!a){if(!r.___eio)r.___eio=[];a=r.___eio}this.index=a.length;var t=this;a.push(function(e){t.onData(e)});this.query.j=this.index;if(r.document&&r.addEventListener){r.addEventListener("beforeunload",function(){if(t.script)t.script.onerror=f},false)}}i(u,n);u.prototype.supportsBinary=false;u.prototype.doClose=function(){if(this.script){this.script.parentNode.removeChild(this.script);this.script=null}if(this.form){this.form.parentNode.removeChild(this.form);this.form=null;this.iframe=null}n.prototype.doClose.call(this)};u.prototype.doPoll=function(){var e=this;var t=document.createElement("script");if(this.script){this.script.parentNode.removeChild(this.script);this.script=null}t.async=true;t.src=this.uri();t.onerror=function(t){e.onError("jsonp poll error",t)};var r=document.getElementsByTagName("script")[0];if(r){r.parentNode.insertBefore(t,r)}else{(document.head||document.body).appendChild(t)}this.script=t;var n="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);if(n){setTimeout(function(){var e=document.createElement("iframe");document.body.appendChild(e);document.body.removeChild(e)},100)}};u.prototype.doWrite=function(e,t){var r=this;if(!this.form){var n=document.createElement("form");var i=document.createElement("textarea");var a=this.iframeId="eio_iframe_"+this.index;var c;n.className="socketio";n.style.position="absolute";n.style.top="-1000px";n.style.left="-1000px";n.target=a;n.method="POST";n.setAttribute("accept-charset","utf-8");i.name="d";n.appendChild(i);document.body.appendChild(n);this.form=n;this.area=i}this.form.action=this.uri();function f(){u();t()}function u(){if(r.iframe){try{r.form.removeChild(r.iframe)}catch(e){r.onError("jsonp polling iframe removal error",e)}}try{var t='<iframe src="javascript:0" name="'+r.iframeId+'">';c=document.createElement(t)}catch(e){c=document.createElement("iframe");c.name=r.iframeId;c.src="javascript:0"}c.id=r.iframeId;r.form.appendChild(c);r.iframe=c}u();e=e.replace(s,"\\\n");this.area.value=e.replace(o,"\\n");try{this.form.submit()}catch(p){}if(this.iframe.attachEvent){this.iframe.onreadystatechange=function(){if(r.iframe.readyState=="complete"){f()}}}else{this.iframe.onload=f}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:{})},{"./polling":8,"component-inherit":16}],7:[function(e,t,r){(function(r){var n=e("xmlhttprequest-ssl");var i=e("./polling");var o=e("component-emitter");var s=e("component-inherit");var a=e("debug")("engine.io-client:polling-xhr");t.exports=f;t.exports.Request=u;function c(){}function f(e){i.call(this,e);if(r.location){var t="https:"==location.protocol;var n=location.port;if(!n){n=t?443:80}this.xd=e.hostname!=r.location.hostname||n!=e.port;this.xs=e.secure!=t}else{this.extraHeaders=e.extraHeaders}}s(f,i);f.prototype.supportsBinary=true;f.prototype.request=function(e){e=e||{};e.uri=this.uri();e.xd=this.xd;e.xs=this.xs;e.agent=this.agent||false;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;return new u(e)};f.prototype.doWrite=function(e,t){var r=typeof e!=="string"&&e!==undefined;var n=this.request({method:"POST",data:e,isBinary:r});var i=this;n.on("success",t);n.on("error",function(e){i.onError("xhr post error",e)});this.sendXhr=n};f.prototype.doPoll=function(){a("xhr poll");var e=this.request();var t=this;e.on("data",function(e){t.onData(e)});e.on("error",function(e){t.onError("xhr poll error",e)});this.pollXhr=e};function u(e){this.method=e.method||"GET";this.uri=e.uri;this.xd=!!e.xd;this.xs=!!e.xs;this.async=false!==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.extraHeaders=e.extraHeaders;this.create()}o(u.prototype);u.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 n(e);var i=this;try{a("xhr open %s: %s",this.method,this.uri);t.open(this.method,this.uri,this.async);try{if(this.extraHeaders){t.setDisableHeaderCheck(true);for(var o in this.extraHeaders){if(this.extraHeaders.hasOwnProperty(o)){t.setRequestHeader(o,this.extraHeaders[o])}}}}catch(s){}if(this.supportsBinary){t.responseType="arraybuffer"}if("POST"==this.method){try{if(this.isBinary){t.setRequestHeader("Content-type","application/octet-stream")}else{t.setRequestHeader("Content-type","text/plain;charset=UTF-8")}}catch(s){}}if("withCredentials"in t){t.withCredentials=true}if(this.hasXDR()){t.onload=function(){i.onLoad()};t.onerror=function(){i.onError(t.responseText)}}else{t.onreadystatechange=function(){if(4!=t.readyState)return;if(200==t.status||1223==t.status){i.onLoad()}else{setTimeout(function(){i.onError(t.status)},0)}}}a("xhr data %s",this.data);t.send(this.data)}catch(s){setTimeout(function(){i.onError(s)},0);return}if(r.document){this.index=u.requestsCount++;u.requests[this.index]=this}};u.prototype.onSuccess=function(){this.emit("success");this.cleanup()};u.prototype.onData=function(e){this.emit("data",e);this.onSuccess()};u.prototype.onError=function(e){this.emit("error",e);this.cleanup(true)};u.prototype.cleanup=function(e){if("undefined"==typeof this.xhr||null===this.xhr){return}if(this.hasXDR()){this.xhr.onload=this.xhr.onerror=c}else{this.xhr.onreadystatechange=c}if(e){try{this.xhr.abort()}catch(t){}}if(r.document){delete u.requests[this.index]}this.xhr=null};u.prototype.onLoad=function(){var e;try{var t;try{t=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(r){}if(t==="application/octet-stream"){e=this.xhr.response}else{if(!this.supportsBinary){e=this.xhr.responseText}else{try{e=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(r){var n=new Uint8Array(this.xhr.response);var i=[];for(var o=0,s=n.length;o<s;o++){i.push(n[o])}e=String.fromCharCode.apply(null,i)}}}}catch(r){this.onError(r)}if(null!=e){this.onData(e)}};u.prototype.hasXDR=function(){return"undefined"!==typeof r.XDomainRequest&&!this.xs&&this.enablesXDR};u.prototype.abort=function(){this.cleanup()};if(r.document){u.requestsCount=0;u.requests={};if(r.attachEvent){r.attachEvent("onunload",p)}else if(r.addEventListener){r.addEventListener("beforeunload",p,false)}}function p(){for(var e in u.requests){if(u.requests.hasOwnProperty(e)){u.requests[e].abort()}}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:{})},{"./polling":8,"component-emitter":15,"component-inherit":16,debug:17,"xmlhttprequest-ssl":10}],8:[function(e,t,r){var n=e("../transport");var i=e("parseqs");var o=e("engine.io-parser");var s=e("component-inherit");var a=e("yeast");var c=e("debug")("engine.io-client:polling");t.exports=u;var f=function(){var t=e("xmlhttprequest-ssl");var r=new t({xdomain:false});return null!=r.responseType}();function u(e){var t=e&&e.forceBase64;if(!f||t){this.supportsBinary=false}n.call(this,e)}s(u,n);u.prototype.name="polling";u.prototype.doOpen=function(){this.poll()};u.prototype.pause=function(e){var t=0;var r=this;this.readyState="pausing";function n(){c("paused");r.readyState="paused";e()}if(this.polling||!this.writable){var i=0;if(this.polling){c("we are currently polling - waiting to pause");i++;this.once("pollComplete",function(){c("pre-pause polling complete");--i||n()})}if(!this.writable){c("we are currently writing - waiting to pause");i++;this.once("drain",function(){c("pre-pause writing complete");--i||n()})}}else{n()}};u.prototype.poll=function(){c("polling");this.polling=true;this.doPoll();this.emit("poll")};u.prototype.onData=function(e){var t=this;c("polling got data %s",e);var r=function(e,r,n){if("opening"==t.readyState){t.onOpen()}if("close"==e.type){t.onClose();return false}t.onPacket(e)};o.decodePayload(e,this.socket.binaryType,r);if("closed"!=this.readyState){this.polling=false;this.emit("pollComplete");if("open"==this.readyState){this.poll()}else{c('ignoring poll - transport state "%s"',this.readyState)}}};u.prototype.doClose=function(){var e=this;function t(){c("writing close packet");e.write([{type:"close"}])}if("open"==this.readyState){c("transport open - closing");t()}else{c("transport not open - deferring close");this.once("open",t)}};u.prototype.write=function(e){var t=this;this.writable=false;var r=function(){t.writable=true;t.emit("drain")};var 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c(e){e=""+e;if(e.length>1e4)return;var t=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(e);if(!t)return;var r=parseFloat(t[1]);var c=(t[2]||"ms").toLowerCase();switch(c){case"years":case"year":case"yrs":case"yr":case"y":return r*a;case"days":case"day":case"d":return r*s;case"hours":case"hour":case"hrs":case"hr":case"h":return r*o;case"minutes":case"minute":case"mins":case"min":case"m":return r*i;case"seconds":case"second":case"secs":case"sec":case"s":return r*n;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return r}}function f(e){if(e>=s)return Math.round(e/s)+"d";if(e>=o)return Math.round(e/o)+"h";if(e>=i)return Math.round(e/i)+"m";if(e>=n)return Math.round(e/n)+"s";return e+"ms"}function u(e){return p(e,s,"day")||p(e,o,"hour")||p(e,i,"minute")||p(e,n,"second")||e+" ms"}function p(e,t,r){if(e<t)return;if(e<t*1.5)return Math.floor(e/t)+" "+r;return Math.ceil(e/t)+" "+r+"s"}},{}],26:[function(e,t,r){(function(e){var r=/^[\],:{}\s]*$/;var n=/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;var i=/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;var o=/(?:^|:|,)(?:\s*\[)+/g;var s=/^\s+/;var a=/\s+$/;t.exports=function c(t){if("string"!=typeof t||!t){return null}t=t.replace(s,"").replace(a,"");if(e.JSON&&JSON.parse){return JSON.parse(t)}if(r.test(t.replace(n,"@").replace(i,"]").replace(o,""))){return new Function("return "+t)()}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:{})},{}],27:[function(e,t,r){r.encode=function(e){var t="";for(var r in e){if(e.hasOwnProperty(r)){if(t.length)t+="&";t+=encodeURIComponent(r)+"="+encodeURIComponent(e[r])}}return t};r.decode=function(e){var t={};var r=e.split("&");for(var n=0,i=r.length;n<i;n++){var o=r[n].split("=");t[decodeURIComponent(o[0])]=decodeURIComponent(o[1])}return t}},{}],28:[function(e,t,r){var n=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;var i=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];t.exports=function o(e){var t=e,r=e.indexOf("["),o=e.indexOf("]");if(r!=-1&&o!=-1){e=e.substring(0,r)+e.substring(r,o).replace(/:/g,";")+e.substring(o,e.length)}var s=n.exec(e||""),a={},c=14;while(c--){a[i[c]]=s[c]||""}if(r!=-1&&o!=-1){a.source=t;a.host=a.host.substring(1,a.host.length-1).replace(/;/g,":");a.authority=a.authority.replace("[","").replace("]","").replace(/;/g,":");a.ipv6uri=true}return a}},{}],29:[function(t,r,n){(function(t){(function(i){var o=typeof n=="object"&&n;var s=typeof r=="object"&&r&&r.exports==o&&r;var a=typeof t=="object"&&t;if(a.global===a||a.window===a){i=a}var c=String.fromCharCode;function f(e){var t=[];var r=0;var n=e.length;var i;var o;while(r<n){i=e.charCodeAt(r++);if(i>=55296&&i<=56319&&r<n){o=e.charCodeAt(r++);if((o&64512)==56320){t.push(((i&1023)<<10)+(o&1023)+65536)}else{t.push(i);r--}}else{t.push(i)}}return t}function u(e){var t=e.length;var r=-1;var n;var i="";while(++r<t){n=e[r];if(n>65535){n-=65536;i+=c(n>>>10&1023|55296);n=56320|n&1023}i+=c(n)}return i}function p(e){if(e>=55296&&e<=57343){throw Error("Lone surrogate U+"+e.toString(16).toUpperCase()+" is not a scalar value")}}function l(e,t){return c(e>>t&63|128)}function h(e){if((e&4294967168)==0){return c(e)}var t="";if((e&4294965248)==0){t=c(e>>6&31|192)}else if((e&4294901760)==0){p(e);t=c(e>>12&15|224);t+=l(e,6)}else if((e&4292870144)==0){t=c(e>>18&7|240);t+=l(e,12);t+=l(e,6)}t+=c(e&63|128);return t}function d(e){var t=f(e);var r=t.length;var n=-1;var i;var o="";while(++n<r){i=t[n];o+=h(i)}return o}function y(){if(b>=m){throw Error("Invalid byte index")}var e=v[b]&255;b++;if((e&192)==128){return e&63}throw Error("Invalid continuation byte")}function g(){var e;var t;var r;var n;var i;if(b>m){throw Error("Invalid byte index")}if(b==m){return false}e=v[b]&255;b++;if((e&128)==0){return e}if((e&224)==192){var t=y();i=(e&31)<<6|t;if(i>=128){return i}else{throw Error("Invalid continuation byte")}}if((e&240)==224){t=y();r=y();i=(e&15)<<12|t<<6|r;if(i>=2048){p(i);return i}else{throw Error("Invalid continuation byte")}}if((e&248)==240){t=y();r=y();n=y();i=(e&15)<<18|t<<12|r<<6|n;if(i>=65536&&i<=1114111){return i}}throw Error("Invalid UTF-8 detected")}var v;var m;var b;function w(e){v=f(e);m=v.length;b=0;var t=[];var r;while((r=g())!==false){t.push(r)}return u(t)}var k={version:"2.0.0",encode:d,decode:w};if(typeof e=="function"&&typeof e.amd=="object"&&e.amd){e(function(){return k})}else if(o&&!o.nodeType){if(s){s.exports=k}else{var x={};var A=x.hasOwnProperty;for(var B in k){A.call(k,B)&&(o[B]=k[B])}}}else{i.utf8=k}})(this)}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:{})},{}],30:[function(e,t,r){"use strict";var n="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),i=64,o={},s=0,a=0,c;function f(e){var t="";do{t=n[e%i]+t;e=Math.floor(e/i)}while(e>0);return t}function u(e){var t=0;for(a=0;a<e.length;a++){t=t*i+o[e.charAt(a)]}return t}function p(){var e=f(+new Date);if(e!==c)return s=0,c=e;return e+"."+f(s++)}for(;a<i;a++)o[n[a]]=a;p.encode=f;p.decode=u;t.exports=p},{}],31:[function(e,t,r){var n=e("./url");var i=e("socket.io-parser");var o=e("./manager");var s=e("debug")("socket.io-client");t.exports=r=c;var a=r.managers={};function c(e,t){if(typeof e=="object"){t=e;e=undefined}t=t||{};var r=n(e);var i=r.source;var c=r.id;var f=r.path;var u=a[c]&&f in a[c].nsps;var p=t.forceNew||t["force new connection"]||false===t.multiplex||u;var l;if(p){s("ignoring socket cache for %s",i);l=o(i,t)}else{if(!a[c]){s("new io instance for %s",i);a[c]=o(i,t)}l=a[c]}return l.socket(r.path)}r.protocol=i.protocol;r.connect=c;r.Manager=e("./manager");r.Socket=e("./socket")},{"./manager":32,"./socket":34,"./url":35,debug:39,"socket.io-parser":47}],32:[function(e,t,r){var n=e("engine.io-client");var i=e("./socket");var o=e("component-emitter");var s=e("socket.io-parser");var a=e("./on");var c=e("component-bind");var f=e("debug")("socket.io-client:manager");var u=e("indexof");var p=e("backo2");var l=Object.prototype.hasOwnProperty;t.exports=h;function h(e,t){if(!(this instanceof h))return new h(e,t);if(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!==false);this.reconnectionAttempts(t.reconnectionAttempts||Infinity);this.reconnectionDelay(t.reconnectionDelay||1e3);this.reconnectionDelayMax(t.reconnectionDelayMax||5e3);this.randomizationFactor(t.randomizationFactor||.5);this.backoff=new p({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=false;this.packetBuffer=[];this.encoder=new s.Encoder;this.decoder=new s.Decoder;this.autoConnect=t.autoConnect!==false;if(this.autoConnect)this.open()}h.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var e in this.nsps){if(l.call(this.nsps,e)){this.nsps[e].emit.apply(this.nsps[e],arguments)}}};h.prototype.updateSocketIds=function(){for(var e in this.nsps){if(l.call(this.nsps,e)){this.nsps[e].id=this.engine.id}}};o(h.prototype);h.prototype.reconnection=function(e){if(!arguments.length)return this._reconnection;this._reconnection=!!e;return this};h.prototype.reconnectionAttempts=function(e){if(!arguments.length)return this._reconnectionAttempts;this._reconnectionAttempts=e;return this};h.prototype.reconnectionDelay=function(e){if(!arguments.length)return this._reconnectionDelay;this._reconnectionDelay=e;this.backoff&&this.backoff.setMin(e);return this};h.prototype.randomizationFactor=function(e){if(!arguments.length)return this._randomizationFactor;this._randomizationFactor=e;this.backoff&&this.backoff.setJitter(e);return this};h.prototype.reconnectionDelayMax=function(e){if(!arguments.length)return this._reconnectionDelayMax;this._reconnectionDelayMax=e;this.backoff&&this.backoff.setMax(e);return this};h.prototype.timeout=function(e){if(!arguments.length)return this._timeout;this._timeout=e;return this};h.prototype.maybeReconnectOnOpen=function(){if(!this.reconnecting&&this._reconnection&&this.backoff.attempts===0){this.reconnect()}};h.prototype.open=h.prototype.connect=function(e){f("readyState %s",this.readyState);if(~this.readyState.indexOf("open"))return this;f("opening %s",this.uri);this.engine=n(this.uri,this.opts);var t=this.engine;var r=this;this.readyState="opening";this.skipReconnect=false;var i=a(t,"open",function(){r.onopen();e&&e()});var o=a(t,"error",function(t){f("connect_error");r.cleanup();r.readyState="closed";r.emitAll("connect_error",t);if(e){var n=new Error("Connection error");n.data=t;e(n)}else{r.maybeReconnectOnOpen()}});if(false!==this._timeout){var s=this._timeout;f("connect attempt will timeout after %d",s);var c=setTimeout(function(){f("connect attempt timed out after %d",s);i.destroy();t.close();t.emit("error","timeout");r.emitAll("connect_timeout",s)},s);this.subs.push({destroy:function(){clearTimeout(c)}})}this.subs.push(i);this.subs.push(o);return this};h.prototype.onopen=function(){f("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")))};h.prototype.onping=function(){this.lastPing=new Date;this.emitAll("ping")};h.prototype.onpong=function(){this.emitAll("pong",new Date-this.lastPing)};h.prototype.ondata=function(e){this.decoder.add(e)};h.prototype.ondecoded=function(e){this.emit("packet",e)};h.prototype.onerror=function(e){f("error",e);this.emitAll("error",e)};h.prototype.socket=function(e){var t=this.nsps[e];if(!t){t=new i(this,e);this.nsps[e]=t;var r=this;t.on("connecting",n);t.on("connect",function(){t.id=r.engine.id});if(this.autoConnect){n()}}function n(){if(!~u(r.connecting,t)){r.connecting.push(t)}}return t};h.prototype.destroy=function(e){var t=u(this.connecting,e);if(~t)this.connecting.splice(t,1);if(this.connecting.length)return;this.close()};h.prototype.packet=function(e){f("writing packet %j",e);var t=this;if(!t.encoding){t.encoding=true;this.encoder.encode(e,function(r){for(var n=0;n<r.length;n++){t.engine.write(r[n],e.options)}t.encoding=false;t.processPacketQueue()})}else{t.packetBuffer.push(e)}};h.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var e=this.packetBuffer.shift();this.packet(e)}};h.prototype.cleanup=function(){f("cleanup");var e;while(e=this.subs.shift())e.destroy();this.packetBuffer=[];this.encoding=false;this.lastPing=null;this.decoder.destroy()};h.prototype.close=h.prototype.disconnect=function(){f("disconnect");this.skipReconnect=true;this.reconnecting=false;if("opening"==this.readyState){this.cleanup()}this.backoff.reset();this.readyState="closed";if(this.engine)this.engine.close()};h.prototype.onclose=function(e){f("onclose");this.cleanup();this.backoff.reset();this.readyState="closed";this.emit("close",e);if(this._reconnection&&!this.skipReconnect){this.reconnect()}};h.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts){f("reconnect failed");this.backoff.reset();this.emitAll("reconnect_failed");this.reconnecting=false}else{var t=this.backoff.duration();f("will wait %dms before reconnect attempt",t);this.reconnecting=true;var r=setTimeout(function(){if(e.skipReconnect)return;f("attempting reconnect");e.emitAll("reconnect_attempt",e.backoff.attempts);e.emitAll("reconnecting",e.backoff.attempts);if(e.skipReconnect)return;e.open(function(t){if(t){f("reconnect attempt error");e.reconnecting=false;e.reconnect();e.emitAll("reconnect_error",t.data)}else{f("reconnect success");e.onreconnect()}})},t);this.subs.push({destroy:function(){clearTimeout(r)}})}};h.prototype.onreconnect=function(){var e=this.backoff.attempts;this.reconnecting=false;this.backoff.reset();this.updateSocketIds();this.emitAll("reconnect",e)}},{"./on":33,"./socket":34,backo2:36,"component-bind":37,"component-emitter":38,debug:39,"engine.io-client":1,indexof:42,"socket.io-parser":47}],33:[function(e,t,r){t.exports=n;function n(e,t,r){e.on(t,r);return{destroy:function(){e.removeListener(t,r)}}}},{}],34:[function(e,t,r){var n=e("socket.io-parser");var i=e("component-emitter");var o=e("to-array");var s=e("./on");var a=e("component-bind");var c=e("debug")("socket.io-client:socket");var f=e("has-binary");t.exports=r=l;var u={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};var p=i.prototype.emit;function l(e,t){this.io=e;this.nsp=t;this.json=this;this.ids=0;this.acks={};this.receiveBuffer=[];this.sendBuffer=[];this.connected=false;this.disconnected=true;if(this.io.autoConnect)this.open()}i(l.prototype);l.prototype.subEvents=function(){if(this.subs)return;var e=this.io;this.subs=[s(e,"open",a(this,"onopen")),s(e,"packet",a(this,"onpacket")),s(e,"close",a(this,"onclose"))]};l.prototype.open=l.prototype.connect=function(){if(this.connected)return this;this.subEvents();this.io.open();if("open"==this.io.readyState)this.onopen();this.emit("connecting");return this};l.prototype.send=function(){var e=o(arguments);e.unshift("message");this.emit.apply(this,e);return this};l.prototype.emit=function(e){if(u.hasOwnProperty(e)){p.apply(this,arguments);return this}var t=o(arguments);var r=n.EVENT;if(f(t)){r=n.BINARY_EVENT}var i={type:r,data:t};i.options={};i.options.compress=!this.flags||false!==this.flags.compress;if("function"==typeof t[t.length-1]){c("emitting packet with ack id %d",this.ids);this.acks[this.ids]=t.pop();i.id=this.ids++}if(this.connected){this.packet(i)}else{this.sendBuffer.push(i)}delete this.flags;return this};l.prototype.packet=function(e){e.nsp=this.nsp;this.io.packet(e)};l.prototype.onopen=function(){c("transport is open - connecting");if("/"!=this.nsp){this.packet({type:n.CONNECT})}};l.prototype.onclose=function(e){c("close (%s)",e);this.connected=false;this.disconnected=true;delete this.id;this.emit("disconnect",e)};l.prototype.onpacket=function(e){if(e.nsp!=this.nsp)return;switch(e.type){case n.CONNECT:this.onconnect();break;case n.EVENT:this.onevent(e);break;case n.BINARY_EVENT:this.onevent(e);break;case n.ACK:this.onack(e);break;case n.BINARY_ACK:this.onack(e);break;case n.DISCONNECT:this.ondisconnect();break;case n.ERROR:this.emit("error",e.data);break}};l.prototype.onevent=function(e){var t=e.data||[];c("emitting event %j",t);if(null!=e.id){c("attaching ack callback to event");t.push(this.ack(e.id))}if(this.connected){p.apply(this,t)}else{this.receiveBuffer.push(t)}};l.prototype.ack=function(e){var t=this;var r=false;return function(){if(r)return;r=true;var i=o(arguments);c("sending ack %j",i);var s=f(i)?n.BINARY_ACK:n.ACK;t.packet({type:s,id:e,data:i})}};l.prototype.onack=function(e){var t=this.acks[e.id];if("function"==typeof t){c("calling ack %s with %j",e.id,e.data);t.apply(this,e.data);delete this.acks[e.id]}else{c("bad ack %s",e.id)}};l.prototype.onconnect=function(){this.connected=true;this.disconnected=false;this.emit("connect");this.emitBuffered()};l.prototype.emitBuffered=function(){var e;for(e=0;e<this.receiveBuffer.length;e++){p.apply(this,this.receiveBuffer[e])}this.receiveBuffer=[];for(e=0;e<this.sendBuffer.length;e++){this.packet(this.sendBuffer[e])}this.sendBuffer=[]};l.prototype.ondisconnect=function(){c("server disconnect (%s)",this.nsp);this.destroy();this.onclose("io server disconnect")};l.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)};l.prototype.close=l.prototype.disconnect=function(){if(this.connected){c("performing disconnect (%s)",this.nsp);this.packet({type:n.DISCONNECT})}this.destroy();if(this.connected){this.onclose("io client disconnect")}return this};l.prototype.compress=function(e){this.flags=this.flags||{};this.flags.compress=e;return this}},{"./on":33,"component-bind":37,"component-emitter":38,debug:39,"has-binary":41,"socket.io-parser":47,"to-array":51}],35:[function(e,t,r){(function(r){var n=e("parseuri");var i=e("debug")("socket.io-client:url");t.exports=o;function o(e,t){var o=e;var t=t||r.location;if(null==e)e=t.protocol+"//"+t.host;if("string"==typeof e){if("/"==e.charAt(0)){if("/"==e.charAt(1)){e=t.protocol+e}else{e=t.host+e}}if(!/^(https?|wss?):\/\//.test(e)){i("protocol-less url %s",e);if("undefined"!=typeof t){e=t.protocol+"//"+e}else{e="https://"+e}}i("parse %s",e);o=n(e)}if(!o.port){if(/^(http|ws)$/.test(o.protocol)){o.port="80"}else if(/^(http|ws)s$/.test(o.protocol)){o.port="443"}}o.path=o.path||"/";var s=o.host.indexOf(":")!==-1;var a=s?"["+o.host+"]":o.host;o.id=o.protocol+"://"+a+":"+o.port;o.href=o.protocol+"://"+a+(t&&t.port==o.port?"":":"+o.port);return o}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:{})},{debug:39,parseuri:45}],36:[function(e,t,r){t.exports=n;function 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c=e("./is-buffer");r.protocol=4;r.types=["CONNECT","DISCONNECT","EVENT","BINARY_EVENT","ACK","BINARY_ACK","ERROR"];r.CONNECT=0;r.DISCONNECT=1;r.EVENT=2;r.ACK=3;r.ERROR=4;r.BINARY_EVENT=5;r.BINARY_ACK=6;r.Encoder=f;r.Decoder=l;function f(){}f.prototype.encode=function(e,t){n("encoding packet %j",e);if(r.BINARY_EVENT==e.type||r.BINARY_ACK==e.type){p(e,t)}else{var i=u(e);t([i])}};function u(e){var t="";var o=false;t+=e.type;if(r.BINARY_EVENT==e.type||r.BINARY_ACK==e.type){t+=e.attachments;t+="-"}if(e.nsp&&"/"!=e.nsp){o=true;t+=e.nsp}if(null!=e.id){if(o){t+=",";o=false}t+=e.id}if(null!=e.data){if(o)t+=",";t+=i.stringify(e.data)}n("encoded %j as %s",e,t);return t}function p(e,t){function r(e){var r=a.deconstructPacket(e);var n=u(r.packet);var i=r.buffers;i.unshift(n);t(i)}a.removeBlobs(e,r)}function l(){this.reconstructor=null}s(l.prototype);l.prototype.add=function(e){var t;if("string"==typeof e){t=h(e);if(r.BINARY_EVENT==t.type||r.BINARY_ACK==t.type){this.reconstructor=new 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a=e.charAt(o);if(null==a||Number(a)!=a){--o;break}t.id+=e.charAt(o);if(o==e.length)break}t.id=Number(t.id)}if(e.charAt(++o)){try{t.data=i.parse(e.substr(o))}catch(f){return y()}}n("decoded %s as %j",e,t);return t}l.prototype.destroy=function(){if(this.reconstructor){this.reconstructor.finishedReconstruction()}};function d(e){this.reconPack=e;this.buffers=[]}d.prototype.takeBinaryData=function(e){this.buffers.push(e);if(this.buffers.length==this.reconPack.attachments){var t=a.reconstructPacket(this.reconPack,this.buffers);this.finishedReconstruction();return t}return null};d.prototype.finishedReconstruction=function(){this.reconPack=null;this.buffers=[]};function y(e){return{type:r.ERROR,data:"parser error"}}},{"./binary":46,"./is-buffer":48,"component-emitter":49,debug:39,isarray:43,json3:50}],48:[function(e,t,r){(function(e){t.exports=r;function r(t){return e.Buffer&&e.Buffer.isBuffer(t)||e.ArrayBuffer&&t instanceof ArrayBuffer}}).call(this,typeof self!=="undefined"?self:typeof 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