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n.type="TransportError",n.description=t,this.emit("error",n),this},r.prototype.open=function(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this},r.prototype.close=function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this},r.prototype.send=function(e){if("open"!==this.readyState)throw new Error("Transport not open");this.write(e)},r.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},r.prototype.onData=function(e){var t=o.decodePacket(e,this.socket.binaryType);this.onPacket(t)},r.prototype.onPacket=function(e){this.emit("packet",e)},r.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},,function(e,t){var n=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,r=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];e.exports=function(e){var t=e,o=e.indexOf("["),i=e.indexOf("]");-1!=o&&-1!=i&&(e=e.substring(0,o)+e.substring(o,i).replace(/:/g,";")+e.substring(i,e.length));for(var s=n.exec(e||""),a={},c=14;c--;)a[r[c]]=s[c]||"";return-1!=o&&-1!=i&&(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=!0),a}},function(e,t){var n={}.toString;e.exports=Array.isArray||function(e){return"[object Array]"==n.call(e)}},function(e,t,n){(function(t){function n(e){return r&&t.Buffer.isBuffer(e)||o&&(e instanceof t.ArrayBuffer||i(e))}e.exports=n;var r="function"==typeof t.Buffer&&"function"==typeof t.Buffer.isBuffer,o="function"==typeof t.ArrayBuffer,i=function(){return o&&"function"==typeof t.ArrayBuffer.isView?t.ArrayBuffer.isView:function(e){return e.buffer instanceof t.ArrayBuffer}}()}).call(t,n(0))},function(e,t,n){function r(e,t){if(!(this instanceof r))return new r(e,t);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(!1!==t.reconnection),this.reconnectionAttempts(t.reconnectionAttempts||1/0),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=!1,this.packetBuffer=[];var n=t.parser||a;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this.autoConnect=!1!==t.autoConnect,this.autoConnect&&this.open()}var o=n(38),i=n(22),s=n(1),a=n(9),c=n(23),u=n(24),l=n(3)("socket.io-client:manager"),f=n(21),p=n(59),h=Object.prototype.hasOwnProperty;e.exports=r,r.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var e in this.nsps)h.call(this.nsps,e)&&this.nsps[e].emit.apply(this.nsps[e],arguments)},r.prototype.updateSocketIds=function(){for(var e in this.nsps)h.call(this.nsps,e)&&(this.nsps[e].id=this.generateId(e))},r.prototype.generateId=function(e){return("/"===e?"":e+"#")+this.engine.id},s(r.prototype),r.prototype.reconnection=function(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection},r.prototype.reconnectionAttempts=function(e){return arguments.length?(this._reconnectionAttempts=e,this):this._reconnectionAttempts},r.prototype.reconnectionDelay=function(e){return arguments.length?(this._reconnectionDelay=e,this.backoff&&this.backoff.setMin(e),this):this._reconnectionDelay},r.prototype.randomizationFactor=function(e){return arguments.length?(this._randomizationFactor=e,this.backoff&&this.backoff.setJitter(e),this):this._randomizationFactor},r.prototype.reconnectionDelayMax=function(e){return arguments.length?(this._reconnectionDelayMax=e,this.backoff&&this.backoff.setMax(e),this):this._reconnectionDelayMax},r.prototype.timeout=function(e){return arguments.length?(this._timeout=e,this):this._timeout},r.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},r.prototype.open=r.prototype.connect=function(e,t){if(l("readyState 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e=this.engine;this.subs.push(c(e,"data",u(this,"ondata"))),this.subs.push(c(e,"ping",u(this,"onping"))),this.subs.push(c(e,"pong",u(this,"onpong"))),this.subs.push(c(e,"error",u(this,"onerror"))),this.subs.push(c(e,"close",u(this,"onclose"))),this.subs.push(c(this.decoder,"decoded",u(this,"ondecoded")))},r.prototype.onping=function(){this.lastPing=new Date,this.emitAll("ping")},r.prototype.onpong=function(){this.emitAll("pong",new Date-this.lastPing)},r.prototype.ondata=function(e){this.decoder.add(e)},r.prototype.ondecoded=function(e){this.emit("packet",e)},r.prototype.onerror=function(e){l("error",e),this.emitAll("error",e)},r.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.generateId(e)}),this.autoConnect&&n()}return r},r.prototype.destroy=function(e){var t=f(this.connecting,e);~t&&this.connecting.splice(t,1),this.connecting.length||this.close()},r.prototype.packet=function(e){l("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()}))},r.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var e=this.packetBuffer.shift();this.packet(e)}},r.prototype.cleanup=function(){l("cleanup");for(var e=this.subs.length,t=0;t<e;t++){this.subs.shift().destroy()}this.packetBuffer=[],this.encoding=!1,this.lastPing=null,this.decoder.destroy()},r.prototype.close=r.prototype.disconnect=function(){l("disconnect"),this.skipReconnect=!0,this.reconnecting=!1,"opening"===this.readyState&&this.cleanup(),this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},r.prototype.onclose=function(e){l("onclose"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",e),this._reconnection&&!this.skipReconnect&&this.reconnect()},r.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)l("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var t=this.backoff.duration();l("will wait %dms before reconnect attempt",t),this.reconnecting=!0;var n=setTimeout(function(){e.skipReconnect||(l("attempting 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t=e&&e.forceBase64;l&&!t||(this.supportsBinary=!1),o.call(this,e)}var o=n(11),i=n(4),s=n(2),a=n(5),c=n(20),u=n(6)("engine.io-client:polling");e.exports=r;var l=function(){return null!=new(n(10))({xdomain:!1}).responseType}();a(r,o),r.prototype.name="polling",r.prototype.doOpen=function(){this.poll()},r.prototype.pause=function(e){function t(){u("paused"),n.readyState="paused",e()}var n=this;if(this.readyState="pausing",this.polling||!this.writable){var r=0;this.polling&&(u("we are currently polling - waiting to pause"),r++,this.once("pollComplete",function(){u("pre-pause polling complete"),--r||t()})),this.writable||(u("we are currently writing - waiting to pause"),r++,this.once("drain",function(){u("pre-pause writing complete"),--r||t()}))}else t()},r.prototype.poll=function(){u("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},r.prototype.onData=function(e){var t=this;u("polling got data %s",e);var n=function(e,n,r){if("opening"===t.readyState&&t.onOpen(),"close"===e.type)return t.onClose(),!1;t.onPacket(e)};s.decodePayload(e,this.socket.binaryType,n),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState?this.poll():u('ignoring poll - transport state "%s"',this.readyState))},r.prototype.doClose=function(){function e(){u("writing close packet"),t.write([{type:"close"}])}var t=this;"open"===this.readyState?(u("transport open - closing"),e()):(u("transport not open - deferring close"),this.once("open",e))},r.prototype.write=function(e){var t=this;this.writable=!1;var n=function(){t.writable=!0,t.emit("drain")};s.encodePayload(e,this.supportsBinary,function(e){t.doWrite(e,n)})},r.prototype.uri=function(){var e=this.query||{},t=this.secure?"https":"http",n="";return!1!==this.timestampRequests&&(e[this.timestampParam]=c()),this.supportsBinary||e.sid||(e.b64=1),e=i.encode(e),this.port&&("https"===t&&443!==Number(this.port)||"http"===t&&80!==Number(this.port))&&(n=":"+this.port),e.length&&(e="?"+e),t+"://"+(-1!==this.hostname.indexOf(":")?"["+this.hostname+"]":this.hostname)+n+this.path+e}},function(e,t,n){(function(t){function r(e){if(!e||"object"!=typeof e)return!1;if(o(e)){for(var n=0,i=e.length;n<i;n++)if(r(e[n]))return!0;return!1}if("function"==typeof t&&t.isBuffer&&t.isBuffer(e)||"function"==typeof ArrayBuffer&&e instanceof ArrayBuffer||s&&e instanceof Blob||a&&e instanceof File)return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return r(e.toJSON(),!0);for(var c in e)if(Object.prototype.hasOwnProperty.call(e,c)&&r(e[c]))return!0;return!1}var o=n(47),i=Object.prototype.toString,s="function"==typeof Blob||"undefined"!=typeof Blob&&"[object 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o=n(9),i=n(1),s=n(58),a=n(23),c=n(24),u=n(3)("socket.io-client:socket"),l=n(4),f=n(19);e.exports=r;var p={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},h=i.prototype.emit;i(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(p.hasOwnProperty(e))return h.apply(this,arguments),this;var t=s(arguments),n={type:(void 0!==this.flags.binary?this.flags.binary:f(t))?o.BINARY_EVENT:o.EVENT,data:t};return n.options={},n.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(),n.id=this.ids++),this.connected?this.packet(n):this.sendBuffer.push(n),this.flags={},this},r.prototype.packet=function(e){e.nsp=this.nsp,this.io.packet(e)},r.prototype.onopen=function(){if(u("transport is open - connecting"),"/"!==this.nsp)if(this.query){var e="object"==typeof this.query?l.encode(this.query):this.query;u("sending connect packet with query %s",e),this.packet({type:o.CONNECT,query:e})}else this.packet({type:o.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){var t=e.nsp===this.nsp,n=e.type===o.ERROR&&"/"===e.nsp;if(t||n)switch(e.type){case o.CONNECT:this.onconnect();break;case o.EVENT:case o.BINARY_EVENT:this.onevent(e);break;case o.ACK:case o.BINARY_ACK:this.onack(e);break;case o.DISCONNECT:this.ondisconnect();break;case o.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?h.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),t.packet({type:f(r)?o.BINARY_ACK:o.ACK,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++)h.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:o.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this},r.prototype.compress=function(e){return this.flags.compress=e,this},r.prototype.binary=function(e){return this.flags.binary=e,this}},function(e,t){function n(e,t,n){return e.on(t,n),{destroy:function(){e.removeListener(t,n)}}}e.exports=n},function(e,t){var n=[].slice;e.exports=function(e,t){if("string"==typeof 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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(e){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(p.onlyBinaryUpgrades){var t=!this.supportsBinary&&p.transport.supportsBinary;f=f||t}f||(a('probe transport "%s" opened',e),l.send([{type:"ping",data:"probe"}]),l.once("packet",function(t){if(!f)if("pong"===t.type&&"probe"===t.data){if(a('probe transport "%s" pong',e),p.upgrading=!0,p.emit("upgrading",l),!l)return;r.priorWebsocketSuccess="websocket"===l.name,a('pausing current transport "%s"',p.transport.name),p.transport.pause(function(){f||"closed"!==p.readyState&&(a("changing transport and sending upgrade packet"),u(),p.setTransport(l),l.send([{type:"upgrade"}]),p.emit("upgrade",l),l=null,p.upgrading=!1,p.flush())})}else{a('probe transport "%s" failed',e);var n=new Error("probe error");n.transport=l.name,p.emit("upgradeError",n)}}))}function n(){f||(f=!0,u(),l.close(),l=null)}function o(t){var r=new Error("probe error: "+t);r.transport=l.name,n(),a('probe transport "%s" failed because of error: %s',e,t),p.emit("upgradeError",r)}function i(){o("transport closed")}function s(){o("socket closed")}function c(e){l&&e.name!==l.name&&(a('"%s" works - aborting "%s"',e.name,l.name),n())}function u(){l.removeListener("open",t),l.removeListener("error",o),l.removeListener("close",i),p.removeListener("close",s),p.removeListener("upgrading",c)}a('probing transport "%s"',e);var l=this.createTransport(e,{probe:1}),f=!1,p=this;r.priorWebsocketSuccess=!1,l.once("open",t),l.once("error",o),l.once("close",i),this.once("close",s),this.once("upgrading",c),l.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;e<t;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(JSON.parse(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 o={type:e,data:t,options:n};this.emit("packetCreate",o),this.writeBuffer.push(o),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;n<r;n++)~c(this.transports,e[n])&&t.push(e[n]);return t}}).call(t,n(0))},function(e,t){try{e.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(t){e.exports=!1}},function(e,t,n){(function(t){function r(){}function o(e){if(c.call(this,e),this.requestTimeout=e.requestTimeout,this.extraHeaders=e.extraHeaders,t.location){var 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