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/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
 * @license  MIT
 */
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this.query&&(this.query=c.decode(this.query)),this.upgrade=!1!==r.upgrade,this.path=(r.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!r.forceJSONP,this.jsonp=!1!==r.jsonp,this.forceBase64=!!r.forceBase64,this.enablesXDR=!!r.enablesXDR,this.timestampParam=r.timestampParam||"t",this.timestampRequests=r.timestampRequests,this.transports=r.transports||["websocket"],this.transportOptions=r.transportOptions||{},this.readyState="",this.writeBuffer=[],this.prevBufferLen=0,this.policyPort=r.policyPort||843,this.rememberUpgrade=r.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=r.onlyBinaryUpgrades,this.perMessageDeflate=!1!==r.perMessageDeflate&&(r.perMessageDeflate||{}),!0===this.perMessageDeflate&&(this.perMessageDeflate={}),this.perMessageDeflate&&null==this.perMessageDeflate.threshold&&(this.perMessageDeflate.threshold=1024),this.pfx=r.pfx||null,this.key=r.key||null,this.passphrase=r.passphrase||null,this.cert=r.cert||null,this.ca=r.ca||null,this.ciphers=r.ciphers||null,this.rejectUnauthorized=void 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n[t]({query:e,socket:this,agent:r.agent||this.agent,hostname:r.hostname||this.hostname,port:r.port||this.port,secure:r.secure||this.secure,path:r.path||this.path,forceJSONP:r.forceJSONP||this.forceJSONP,jsonp:r.jsonp||this.jsonp,forceBase64:r.forceBase64||this.forceBase64,enablesXDR:r.enablesXDR||this.enablesXDR,timestampRequests:r.timestampRequests||this.timestampRequests,timestampParam:r.timestampParam||this.timestampParam,policyPort:r.policyPort||this.policyPort,pfx:r.pfx||this.pfx,key:r.key||this.key,passphrase:r.passphrase||this.passphrase,cert:r.cert||this.cert,ca:r.ca||this.ca,ciphers:r.ciphers||this.ciphers,rejectUnauthorized:r.rejectUnauthorized||this.rejectUnauthorized,perMessageDeflate:r.perMessageDeflate||this.perMessageDeflate,extraHeaders:r.extraHeaders||this.extraHeaders,forceNode:r.forceNode||this.forceNode,localAddress:r.localAddress||this.localAddress,requestTimeout:r.requestTimeout||this.requestTimeout,protocols:r.protocols||void 0});return i("transport: ",o),o},f.prototype.open=function(){var t;if(this.rememberUpgrade&&f.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)},f.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")}))},f.prototype.probe=function(t){i('probing transport "%s"',t);var e=this.createTransport(t,{probe:1}),r=!1,n=this;function o(){if(n.onlyBinaryUpgrades){var o=!this.supportsBinary&&n.transport.supportsBinary;r=r||o}r||(i('probe transport "%s" opened',t),e.send([{type:"ping",data:"probe"}]),e.once("packet",(function(o){if(!r)if("pong"===o.type&&"probe"===o.data){if(i('probe transport "%s" pong',t),n.upgrading=!0,n.emit("upgrading",e),!e)return;f.priorWebsocketSuccess="websocket"===e.name,i('pausing current transport "%s"',n.transport.name),n.transport.pause((function(){r||"closed"!==n.readyState&&(i("changing transport and sending upgrade packet"),p(),n.setTransport(e),e.send([{type:"upgrade"}]),n.emit("upgrade",e),e=null,n.upgrading=!1,n.flush())}))}else{i('probe transport "%s" failed',t);var s=new Error("probe error");s.transport=e.name,n.emit("upgradeError",s)}})))}function s(){r||(r=!0,p(),e.close(),e=null)}function a(r){var o=new Error("probe error: "+r);o.transport=e.name,s(),i('probe transport "%s" failed because of error: %s',t,r),n.emit("upgradeError",o)}function u(){a("transport closed")}function c(){a("socket closed")}function h(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",u),n.removeListener("close",c),n.removeListener("upgrading",h)}f.priorWebsocketSuccess=!1,e.once("open",o),e.once("error",a),e.once("close",u),this.once("close",c),this.once("upgrading",h),e.open()},f.prototype.onOpen=function(){if(i("socket open"),this.readyState="open",f.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])}},f.prototype.onPacket=function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(i('socket receive: type "%s", data "%s"',t.type,t.data),this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}else i('packet received with socket readyState "%s"',this.readyState)},f.prototype.onHandshake=function(t){this.emit("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!==this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},f.prototype.onHeartbeat=function(t){clearTimeout(this.pingTimeoutTimer);var e=this;e.pingTimeoutTimer=setTimeout((function(){"closed"!==e.readyState&&e.onClose("ping 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e&&(n=e,e=void 0),"function"==typeof r&&(n=r,r=null),"closing"!==this.readyState&&"closed"!==this.readyState){(r=r||{}).compress=!1!==r.compress;var o={type:t,data:e,options:r};this.emit("packetCreate",o),this.writeBuffer.push(o),n&&this.once("flush",n),this.flush()}},f.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?n():e()})):this.upgrading?n():e()}function e(){t.onClose("forced close"),i("socket closing - telling transport to close"),t.transport.close()}function r(){t.removeListener("upgrade",r),t.removeListener("upgradeError",r),e()}function n(){t.once("upgrade",r),t.once("upgradeError",r)}return this},f.prototype.onError=function(t){i("socket error %j",t),f.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},f.prototype.onClose=function(t,e){"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)},f.prototype.filterUpgrades=function(t){for(var e=[],r=0,n=t.length;r<n;r++)~s(this.transports,t[r])&&e.push(t[r]);return e}}).call(this,r(0))},function(t,e,r){t.exports=r(28),t.exports.parser=r(1)}])},function(t,e,r){(function(t){var n=r(2),o=r(9),i=Object.prototype.toString,s="function"==typeof t.Blob||"[object BlobConstructor]"===i.call(t.Blob),a="function"==typeof t.File||"[object FileConstructor]"===i.call(t.File);e.deconstructPacket=function(t){var e=[],r=t.data,i=t;return i.data=function t(e,r){if(!e)return e;if(o(e)){var i={_placeholder:!0,num:r.length};return r.push(e),i}if(n(e)){for(var s=new Array(e.length),a=0;a<e.length;a++)s[a]=t(e[a],r);return s}if("object"==typeof e&&!(e instanceof Date)){s={};for(var u in e)s[u]=t(e[u],r);return s}return e}(r,e),i.attachments=e.length,{packet:i,buffers:e}},e.reconstructPacket=function(t,e){return t.data=function t(e,r){if(!e)return e;if(e&&e._placeholder)return r[e.num];if(n(e))for(var o=0;o<e.length;o++)e[o]=t(e[o],r);else if("object"==typeof e)for(var i in e)e[i]=t(e[i],r);return e}(t.data,e),t.attachments=void 0,t},e.removeBlobs=function(t,e){var r=0,i=t;!function t(u,c,f){if(!u)return u;if(s&&u instanceof Blob||a&&u instanceof File){r++;var h=new FileReader;h.onload=function(){f?f[c]=this.result:i=this.result,--r||e(i)},h.readAsArrayBuffer(u)}else if(n(u))for(var p=0;p<u.length;p++)t(u[p],p,u);else if("object"==typeof u&&!o(u))for(var l in u)t(u[l],l,u)}(i),r||e(i)}}).call(this,r(1))},function(t,e){var r=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,n=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];t.exports=function(t){var e=t,o=t.indexOf("["),i=t.indexOf("]");-1!=o&&-1!=i&&(t=t.substring(0,o)+t.substring(o,i).replace(/:/g,";")+t.substring(i,t.length));for(var s=r.exec(t||""),a={},u=14;u--;)a[n[u]]=s[u]||"";return-1!=o&&-1!=i&&(a.source=e,a.host=a.host.substring(1,a.host.length-1).replace(/;/g,":"),a.authority=a.authority.replace("[","").replace("]","").replace(/;/g,":"),a.ipv6uri=!0),a}},function(t,e,r){(function(e){var n=r(21),o=r(0)("socket.io-client:url");t.exports=function(t,r){var i=t;r=r||e.location,null==t&&(t=r.protocol+"//"+r.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?r.protocol+t:r.host+t),/^(https?|wss?):\/\//.test(t)||(o("protocol-less url %s",t),t=void 0!==r?r.protocol+"//"+t:"https://"+t),o("parse %s",t),i=n(t)),i.port||(/^(http|ws)$/.test(i.protocol)?i.port="80":/^(http|ws)s$/.test(i.protocol)&&(i.port="443")),i.path=i.path||"/";var s=-1!==i.host.indexOf(":")?"["+i.host+"]":i.host;return i.id=i.protocol+"://"+s+":"+i.port,i.href=i.protocol+"://"+s+(r&&r.port===i.port?"":":"+i.port),i}}).call(this,r(1))},function(t,e,r){var n=r(22),o=r(4),i=r(8),s=r(0)("socket.io-client");t.exports=e=u;var a=e.managers={};function u(t,e){"object"==typeof t&&(e=t,t=void 0),e=e||{};var r,o=n(t),u=o.source,c=o.id,f=o.path,h=a[c]&&f in a[c].nsps;return e.forceNew||e["force new connection"]||!1===e.multiplex||h?(s("ignoring socket cache for %s",u),r=i(u,e)):(a[c]||(s("new io instance for 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