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f({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()}e.exports=h,h.prototype.emitAll=function(){for(var e in this.emit.apply(this,arguments),this.nsps)p.call(this.nsps,e)&&this.nsps[e].emit.apply(this.nsps[e],arguments)},h.prototype.updateSocketIds=function(){for(var e in this.nsps)p.call(this.nsps,e)&&(this.nsps[e].id=this.generateId(e))},h.prototype.generateId=function(e){return("/"===e?"":e+"#")+this.engine.id},o(h.prototype),h.prototype.reconnection=function(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection},h.prototype.reconnectionAttempts=function(e){return arguments.length?(this._reconnectionAttempts=e,this):this._reconnectionAttempts},h.prototype.reconnectionDelay=function(e){return arguments.length?(this._reconnectionDelay=e,this.backoff&&this.backoff.setMin(e),this):this._reconnectionDelay},h.prototype.randomizationFactor=function(e){return arguments.length?(this._randomizationFactor=e,this.backoff&&this.backoff.setJitter(e),this):this._randomizationFactor},h.prototype.reconnectionDelayMax=function(e){return arguments.length?(this._reconnectionDelayMax=e,this.backoff&&this.backoff.setMax(e),this):this._reconnectionDelayMax},h.prototype.timeout=function(e){return arguments.length?(this._timeout=e,this):this._timeout},h.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},h.prototype.open=h.prototype.connect=function(e,t){if(c("readyState %s",this.readyState),~this.readyState.indexOf("open"))return this;c("opening %s",this.uri),this.engine=r(this.uri,this.opts);var n=this.engine,i=this;this.readyState="opening",this.skipReconnect=!1;var o=s(n,"open",function(){i.onopen(),e&&e()}),a=s(n,"error",function(t){if(c("connect_error"),i.cleanup(),i.readyState="closed",i.emitAll("connect_error",t),e){var n=new Error("Connection error");n.data=t,e(n)}else i.maybeReconnectOnOpen()});if(!1!==this._timeout){var u=this._timeout;c("connect attempt will timeout after %d",u);var l=setTimeout(function(){c("connect attempt timed out after %d",u),o.destroy(),n.close(),n.emit("error","timeout"),i.emitAll("connect_timeout",u)},u);this.subs.push({destroy:function(){clearTimeout(l)}})}return this.subs.push(o),this.subs.push(a),this},h.prototype.onopen=function(){c("open"),this.cleanup(),this.readyState="open",this.emit("open");var e=this.engine;this.subs.push(s(e,"data",u(this,"ondata"))),this.subs.push(s(e,"ping",u(this,"onping"))),this.subs.push(s(e,"pong",u(this,"onpong"))),this.subs.push(s(e,"error",u(this,"onerror"))),this.subs.push(s(e,"close",u(this,"onclose"))),this.subs.push(s(this.decoder,"decoded",u(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){c("error",e),this.emitAll("error",e)},h.prototype.socket=function(e,t){var n=this.nsps[e];if(!n){n=new i(this,e,t),this.nsps[e]=n;var r=this;n.on("connecting",o),n.on("connect",function(){n.id=r.generateId(e)}),this.autoConnect&&o()}function o(){~l(r.connecting,n)||r.connecting.push(n)}return n},h.prototype.destroy=function(e){var t=l(this.connecting,e);~t&&this.connecting.splice(t,1),this.connecting.length||this.close()},h.prototype.packet=function(e){c("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;r0&&!this.encoding){var e=this.packetBuffer.shift();this.packet(e)}},h.prototype.cleanup=function(){c("cleanup");for(var e=this.subs.length,t=0;t=this._reconnectionAttempts)c("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var t=this.backoff.duration();c("will wait %dms before reconnect attempt",t),this.reconnecting=!0;var n=setTimeout(function(){e.skipReconnect||(c("attempting reconnect"),e.emitAll("reconnect_attempt",e.backoff.attempts),e.emitAll("reconnecting",e.backoff.attempts),e.skipReconnect||e.open(function(t){t?(c("reconnect attempt error"),e.reconnecting=!1,e.reconnect(),e.emitAll("reconnect_error",t.data)):(c("reconnect success"),e.onreconnect())}))},t);this.subs.push({destroy:function(){clearTimeout(n)}})}},h.prototype.onreconnect=function(){var e=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",e)}},function(e,t,n){var r=n(33),i=n(174),o=n(184),a=n(185);t.polling=function(e){var t=!1,n=!1,a=!1!==e.jsonp;if("undefined"!=typeof location){var s="https:"===location.protocol,u=location.port;u||(u=s?443:80),t=e.hostname!==location.hostname||u!==e.port,n=e.secure!==s}if(e.xdomain=t,e.xscheme=n,"open"in new r(e)&&!e.forceJSONP)return new i(e);if(!a)throw new Error("JSONP disabled");return new o(e)},t.websocket=a},function(e,t,n){var r=n(34),i=n(17),o=n(13),a=n(18),s=n(52),u=n(19)("engine.io-client:polling");e.exports=l;var c=null!=new(n(33))({xdomain:!1}).responseType;function l(e){var t=e&&e.forceBase64;c&&!t||(this.supportsBinary=!1),r.call(this,e)}a(l,r),l.prototype.name="polling",l.prototype.doOpen=function(){this.poll()},l.prototype.pause=function(e){var t=this;function n(){u("paused"),t.readyState="paused",e()}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||n()})),this.writable||(u("we are currently writing - waiting to pause"),r++,this.once("drain",function(){u("pre-pause writing complete"),--r||n()}))}else n()},l.prototype.poll=function(){u("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},l.prototype.onData=function(e){var t=this;u("polling got data %s",e);o.decodePayload(e,this.socket.binaryType,function(e,n,r){if("opening"===t.readyState&&t.onOpen(),"close"===e.type)return t.onClose(),!1;t.onPacket(e)}),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState?this.poll():u('ignoring poll - transport state "%s"',this.readyState))},l.prototype.doClose=function(){var e=this;function t(){u("writing close packet"),e.write([{type:"close"}])}"open"===this.readyState?(u("transport open - closing"),t()):(u("transport not open - deferring close"),this.once("open",t))},l.prototype.write=function(e){var t=this;this.writable=!1;var n=function(){t.writable=!0,t.emit("drain")};o.encodePayload(e,this.supportsBinary,function(e){t.doWrite(e,n)})},l.prototype.uri=function(){var e=this.query||{},t=this.secure?"https":"http",n="";return!1!==this.timestampRequests&&(e[this.timestampParam]=s()),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){var r=n(176),i=Object.prototype.toString,o="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===i.call(Blob),a="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===i.call(File);e.exports=function e(n){if(!n||"object"!=typeof n)return!1;if(r(n)){for(var i=0,s=n.length;i0);return t}function l(){var e=c(+new Date);return e!==r?(s=0,r=e):e+"."+c(s++)}for(;u