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!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).io=t()}}(function(){return function t(e,n,r){function o(s,a){if(!n[s]){if(!e[s]){var c="function"==typeof require&&require;if(!a&&c)return c(s,!0);if(i)return i(s,!0);var p=new Error("Cannot find module '"+s+"'");throw p.code="MODULE_NOT_FOUND",p}var u=n[s]={exports:{}};e[s][0].call(u.exports,function(t){var n=e[s][1][t];return o(n||t)},u,u.exports,t,e,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({1:[function(t,e,n){function r(t,e){"object"==typeof t&&(e=t,t=void 0),e=e||{};var n,r=o(t),i=r.source,p=r.id,u=r.path,h=c[p]&&u in c[p].nsps;return e.forceNew||e["force new connection"]||!1===e.multiplex||h?(a("ignoring socket cache for %s",i),n=s(i,e)):(c[p]||(a("new io instance for %s",i),c[p]=s(i,e)),n=c[p]),n.socket(r.path)}var o=t("./url"),i=t("socket.io-parser"),s=t("./manager"),a=t("debug")("socket.io-client");e.exports=n=r;var c=n.managers={};n.protocol=i.protocol,n.connect=r,n.Manager=t("./manager"),n.Socket=t("./socket")},{"./manager":2,"./socket":4,"./url":5,debug:14,"socket.io-parser":40}],2:[function(t,e,n){function r(t,e){if(!(this instanceof r))return new r(t,e);t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.nsps={},this.subs=[],this.opts=e,this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(e.randomizationFactor||.5),this.backoff=new f({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this.readyState="closed",this.uri=t,this.connecting=[],this.lastPing=null,this.encoding=!1,this.packetBuffer=[],this.encoder=new a.Encoder,this.decoder=new a.Decoder,this.autoConnect=!1!==e.autoConnect,this.autoConnect&&this.open()}var o=t("engine.io-client"),i=t("./socket"),s=t("component-emitter"),a=t("socket.io-parser"),c=t("./on"),p=t("component-bind"),u=t("debug")("socket.io-client:manager"),h=t("indexof"),f=t("backo2"),l=Object.prototype.hasOwnProperty;e.exports=r,r.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var t in this.nsps)l.call(this.nsps,t)&&this.nsps[t].emit.apply(this.nsps[t],arguments)},r.prototype.updateSocketIds=function(){for(var t in this.nsps)l.call(this.nsps,t)&&(this.nsps[t].id=this.engine.id)},s(r.prototype),r.prototype.reconnection=function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection},r.prototype.reconnectionAttempts=function(t){return arguments.length?(this._reconnectionAttempts=t,this):this._reconnectionAttempts},r.prototype.reconnectionDelay=function(t){return arguments.length?(this._reconnectionDelay=t,this.backoff&&this.backoff.setMin(t),this):this._reconnectionDelay},r.prototype.randomizationFactor=function(t){return arguments.length?(this._randomizationFactor=t,this.backoff&&this.backoff.setJitter(t),this):this._randomizationFactor},r.prototype.reconnectionDelayMax=function(t){return arguments.length?(this._reconnectionDelayMax=t,this.backoff&&this.backoff.setMax(t),this):this._reconnectionDelayMax},r.prototype.timeout=function(t){return arguments.length?(this._timeout=t,this):this._timeout},r.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},r.prototype.open=r.prototype.connect=function(t){if(u("readyState %s",this.readyState),~this.readyState.indexOf("open"))return this;u("opening %s",this.uri),this.engine=o(this.uri,this.opts);var e=this.engine,n=this;this.readyState="opening",this.skipReconnect=!1;var r=c(e,"open",function(){n.onopen(),t&&t()}),i=c(e,"error",function(e){if(u("connect_error"),n.cleanup(),n.readyState="closed",n.emitAll("connect_error",e),t){var r=new Error("Connection error");r.data=e,t(r)}else n.maybeReconnectOnOpen()});if(!1!==this._timeout){var s=this._timeout;u("connect attempt will timeout after %d",s);var a=setTimeout(function(){u("connect attempt timed out after %d",s),r.destroy(),e.close(),e.emit("error","timeout"),n.emitAll("connect_timeout",s)},s);this.subs.push({destroy:function(){clearTimeout(a)}})}return this.subs.push(r),this.subs.push(i),this},r.prototype.onopen=function(){u("open"),this.cleanup(),this.readyState="open",this.emit("open");var t=this.engine;this.subs.push(c(t,"data",p(this,"ondata"))),this.subs.push(c(t,"ping",p(this,"onping"))),this.subs.push(c(t,"pong",p(this,"onpong"))),this.subs.push(c(t,"error",p(this,"onerror"))),this.subs.push(c(t,"close",p(this,"onclose"))),this.subs.push(c(this.decoder,"decoded",p(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(t){this.decoder.add(t)},r.prototype.ondecoded=function(t){this.emit("packet",t)},r.prototype.onerror=function(t){u("error",t),this.emitAll("error",t)},r.prototype.socket=function(t){function e(){~h(r.connecting,n)||r.connecting.push(n)}var n=this.nsps[t];if(!n){n=new i(this,t),this.nsps[t]=n;var r=this;n.on("connecting",e),n.on("connect",function(){n.id=r.engine.id}),this.autoConnect&&e()}return n},r.prototype.destroy=function(t){var e=h(this.connecting,t);~e&&this.connecting.splice(e,1),this.connecting.length||this.close()},r.prototype.packet=function(t){u("writing packet %j",t);var e=this;e.encoding?e.packetBuffer.push(t):(e.encoding=!0,this.encoder.encode(t,function(n){for(var r=0;r<n.length;r++)e.engine.write(n[r],t.options);e.encoding=!1,e.processPacketQueue()}))},r.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var t=this.packetBuffer.shift();this.packet(t)}},r.prototype.cleanup=function(){u("cleanup");for(var t;t=this.subs.shift();)t.destroy();this.packetBuffer=[],this.encoding=!1,this.lastPing=null,this.decoder.destroy()},r.prototype.close=r.prototype.disconnect=function(){u("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(t){u("onclose"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()},r.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var t=this;if(this.backoff.attempts>=this._reconnectionAttempts)u("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var e=this.backoff.duration();u("will wait %dms before reconnect attempt",e),this.reconnecting=!0;var n=setTimeout(function(){t.skipReconnect||(u("attempting reconnect"),t.emitAll("reconnect_attempt",t.backoff.attempts),t.emitAll("reconnecting",t.backoff.attempts),t.skipReconnect||t.open(function(e){e?(u("reconnect attempt error"),t.reconnecting=!1,t.reconnect(),t.emitAll("reconnect_error",e.data)):(u("reconnect success"),t.onreconnect())}))},e);this.subs.push({destroy:function(){clearTimeout(n)}})}},r.prototype.onreconnect=function(){var t=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",t)}},{"./on":3,"./socket":4,backo2:8,"component-bind":11,"component-emitter":12,debug:14,"engine.io-client":16,indexof:32,"socket.io-parser":40}],3:[function(t,e,n){function r(t,e,n){return t.on(e,n),{destroy:function(){t.removeListener(e,n)}}}e.exports=r},{}],4:[function(t,e,n){function r(t,e){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.io.autoConnect&&this.open()}var o=t("socket.io-parser"),i=t("component-emitter"),s=t("to-array"),a=t("./on"),c=t("component-bind"),p=t("debug")("socket.io-client:socket"),u=t("has-binary");e.exports=r;var h={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},f=i.prototype.emit;i(r.prototype),r.prototype.subEvents=function(){if(!this.subs){var t=this.io;this.subs=[a(t,"open",c(this,"onopen")),a(t,"packet",c(this,"onpacket")),a(t,"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 t=s(arguments);return t.unshift("message"),this.emit.apply(this,t),this},r.prototype.emit=function(t){if(h.hasOwnProperty(t))return f.apply(this,arguments),this;var e=s(arguments),n=o.EVENT;u(e)&&(n=o.BINARY_EVENT);var r={type:n,data:e};return r.options={},r.options.compress=!this.flags||!1!==this.flags.compress,"function"==typeof e[e.length-1]&&(p("emitting packet with ack id %d",this.ids),this.acks[this.ids]=e.pop(),r.id=this.ids++),this.connected?this.packet(r):this.sendBuffer.push(r),delete this.flags,this},r.prototype.packet=function(t){t.nsp=this.nsp,this.io.packet(t)},r.prototype.onopen=function(){p("transport is open - connecting"),"/"!=this.nsp&&this.packet({type:o.CONNECT})},r.prototype.onclose=function(t){p("close (%s)",t),this.connected=!1,this.disconnected=!0,delete this.id,this.emit("disconnect",t)},r.prototype.onpacket=function(t){if(t.nsp==this.nsp)switch(t.type){case o.CONNECT:this.onconnect();break;case o.EVENT:case o.BINARY_EVENT:this.onevent(t);break;case o.ACK:case o.BINARY_ACK:this.onack(t);break;case o.DISCONNECT:this.ondisconnect();break;case o.ERROR:this.emit("error",t.data)}},r.prototype.onevent=function(t){var e=t.data||[];p("emitting event %j",e),null!=t.id&&(p("attaching ack callback to event"),e.push(this.ack(t.id))),this.connected?f.apply(this,e):this.receiveBuffer.push(e)},r.prototype.ack=function(t){var e=this,n=!1;return function(){if(!n){n=!0;var r=s(arguments);p("sending ack %j",r);var i=u(r)?o.BINARY_ACK:o.ACK;e.packet({type:i,id:t,data:r})}}},r.prototype.onack=function(t){var e=this.acks[t.id];"function"==typeof e?(p("calling ack %s with %j",t.id,t.data),e.apply(this,t.data),delete this.acks[t.id]):p("bad ack %s",t.id)},r.prototype.onconnect=function(){this.connected=!0,this.disconnected=!1,this.emit("connect"),this.emitBuffered()},r.prototype.emitBuffered=function(){var t;for(t=0;t<this.receiveBuffer.length;t++)f.apply(this,this.receiveBuffer[t]);for(this.receiveBuffer=[],t=0;t<this.sendBuffer.length;t++)this.packet(this.sendBuffer[t]);this.sendBuffer=[]},r.prototype.ondisconnect=function(){p("server disconnect (%s)",this.nsp),this.destroy(),this.onclose("io server disconnect")},r.prototype.destroy=function(){if(this.subs){for(var t=0;t<this.subs.length;t++)this.subs[t].destroy();this.subs=null}this.io.destroy(this)},r.prototype.close=r.prototype.disconnect=function(){return this.connected&&(p("performing disconnect (%s)",this.nsp),this.packet({type:o.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this},r.prototype.compress=function(t){return this.flags=this.flags||{},this.flags.compress=t,this}},{"./on":3,"component-bind":11,"component-emitter":12,debug:14,"has-binary":30,"socket.io-parser":40,"to-array":43}],5:[function(t,e,n){(function(n){function r(t,e){var r=t,e=e||n.location;null==t&&(t=e.protocol+"//"+e.host),"string"==typeof t&&("/"==t.charAt(0)&&(t="/"==t.charAt(1)?e.protocol+t:e.host+t),/^(https?|wss?):\/\//.test(t)||(i("protocol-less url %s",t),t=void 0!==e?e.protocol+"//"+t:"https://"+t),i("parse %s",t),r=o(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var s=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+s+":"+r.port,r.href=r.protocol+"://"+s+(e&&e.port==r.port?"":":"+r.port),r}var o=t("parseuri"),i=t("debug")("socket.io-client:url");e.exports=r}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{debug:14,parseuri:38}],6:[function(t,e,n){function r(t,e,n){function r(t,o){if(r.count<=0)throw new Error("after called too many times");--r.count,t?(i=!0,e(t),e=n):0!==r.count||i||e(null,o)}var i=!1;return n=n||o,r.count=t,0===t?e():r}function o(){}e.exports=r},{}],7:[function(t,e,n){e.exports=function(t,e,n){var r=t.byteLength;if(e=e||0,n=n||r,t.slice)return t.slice(e,n);if(e<0&&(e+=r),n<0&&(n+=r),n>r&&(n=r),e>=r||e>=n||0===r)return new ArrayBuffer(0);for(var o=new Uint8Array(t),i=new Uint8Array(n-e),s=e,a=0;s<n;s++,a++)i[a]=o[s];return i.buffer}},{}],8:[function(t,e,n){function r(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}e.exports=r,r.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},r.prototype.reset=function(){this.attempts=0},r.prototype.setMin=function(t){this.ms=t},r.prototype.setMax=function(t){this.max=t},r.prototype.setJitter=function(t){this.jitter=t}},{}],9:[function(t,e,n){!function(){"use strict";for(var t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",e=new Uint8Array(256),r=0;r<t.length;r++)e[t.charCodeAt(r)]=r;n.encode=function(e){var n,r=new Uint8Array(e),o=r.length,i="";for(n=0;n<o;n+=3)i+=t[r[n]>>2],i+=t[(3&r[n])<<4|r[n+1]>>4],i+=t[(15&r[n+1])<<2|r[n+2]>>6],i+=t[63&r[n+2]];return o%3==2?i=i.substring(0,i.length-1)+"=":o%3==1&&(i=i.substring(0,i.length-2)+"=="),i},n.decode=function(t){var n,r,o,i,s,a=.75*t.length,c=t.length,p=0;"="===t[t.length-1]&&(a--,"="===t[t.length-2]&&a--);var u=new ArrayBuffer(a),h=new Uint8Array(u);for(n=0;n<c;n+=4)r=e[t.charCodeAt(n)],o=e[t.charCodeAt(n+1)],i=e[t.charCodeAt(n+2)],s=e[t.charCodeAt(n+3)],h[p++]=r<<2|o>>4,h[p++]=(15&o)<<4|i>>2,h[p++]=(3&i)<<6|63&s;return u}}()},{}],10:[function(t,e,n){(function(t){function n(t){for(var e=0;e<t.length;e++){var n=t[e];if(n.buffer instanceof ArrayBuffer){var r=n.buffer;if(n.byteLength!==r.byteLength){var o=new Uint8Array(n.byteLength);o.set(new Uint8Array(r,n.byteOffset,n.byteLength)),r=o.buffer}t[e]=r}}}function r(t,e){e=e||{};var r=new i;n(t);for(var o=0;o<t.length;o++)r.append(t[o]);return e.type?r.getBlob(e.type):r.getBlob()}function o(t,e){return n(t),new Blob(t,e||{})}var i=t.BlobBuilder||t.WebKitBlobBuilder||t.MSBlobBuilder||t.MozBlobBuilder,s=function(){try{return 2===new Blob(["hi"]).size}catch(t){return!1}}(),a=s&&function(){try{return 2===new Blob([new Uint8Array([1,2])]).size}catch(t){return!1}}(),c=i&&i.prototype.append&&i.prototype.getBlob;e.exports=function(){return s?a?t.Blob:o:c?r:void 0}()}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{}],11:[function(t,e,n){var r=[].slice;e.exports=function(t,e){if("string"==typeof e&&(e=t[e]),"function"!=typeof e)throw new Error("bind() requires a function");var n=r.call(arguments,2);return function(){return e.apply(t,n.concat(r.call(arguments)))}}},{}],12:[function(t,e,n){function r(t){if(t)return o(t)}function o(t){for(var e in r.prototype)t[e]=r.prototype[e];return t}e.exports=r,r.prototype.on=r.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},r.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},r.prototype.off=r.prototype.removeListener=r.prototype.removeAllListeners=r.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n=this._callbacks["$"+t];if(!n)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var r,o=0;o<n.length;o++)if((r=n[o])===e||r.fn===e){n.splice(o,1);break}return this},r.prototype.emit=function(t){this._callbacks=this._callbacks||{};var e=[].slice.call(arguments,1),n=this._callbacks["$"+t];if(n)for(var r=0,o=(n=n.slice(0)).length;r<o;++r)n[r].apply(this,e);return this},r.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},r.prototype.hasListeners=function(t){return!!this.listeners(t).length}},{}],13:[function(t,e,n){e.exports=function(t,e){var n=function(){};n.prototype=e.prototype,t.prototype=new n,t.prototype.constructor=t}},{}],14:[function(t,e,n){function r(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}function o(){var t=arguments,e=this.useColors;if(t[0]=(e?"%c":"")+this.namespace+(e?" %c":" ")+t[0]+(e?"%c ":" ")+"+"+n.humanize(this.diff),!e)return t;var r="color: "+this.color,o=0,i=0;return(t=[t[0],r,"color: inherit"].concat(Array.prototype.slice.call(t,1)))[0].replace(/%[a-z%]/g,function(t){"%%"!==t&&(o++,"%c"===t&&(i=o))}),t.splice(i,0,r),t}function i(){return"object"==typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function s(t){try{null==t?n.storage.removeItem("debug"):n.storage.debug=t}catch(t){}}function a(){var t;try{t=n.storage.debug}catch(t){}return t}(n=e.exports=t("./debug")).log=i,n.formatArgs=o,n.save=s,n.load=a,n.useColors=r,n.storage="undefined"!=typeof chrome&&void 0!==chrome.storage?chrome.storage.local:function(){try{return window.localStorage}catch(t){}}(),n.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"],n.formatters.j=function(t){return JSON.stringify(t)},n.enable(a())},{"./debug":15}],15:[function(t,e,n){function r(){return n.colors[u++%n.colors.length]}function o(t){function e(){}function o(){var t=o,e=+new Date,i=e-(p||e);t.diff=i,t.prev=p,t.curr=e,p=e,null==t.useColors&&(t.useColors=n.useColors()),null==t.color&&t.useColors&&(t.color=r());var s=Array.prototype.slice.call(arguments);s[0]=n.coerce(s[0]),"string"!=typeof s[0]&&(s=["%o"].concat(s));var a=0;s[0]=s[0].replace(/%([a-z%])/g,function(e,r){if("%%"===e)return e;a++;var o=n.formatters[r];if("function"==typeof o){var i=s[a];e=o.call(t,i),s.splice(a,1),a--}return e}),"function"==typeof n.formatArgs&&(s=n.formatArgs.apply(t,s)),(o.log||n.log||console.log.bind(console)).apply(t,s)}e.enabled=!1,o.enabled=!0;var i=n.enabled(t)?o:e;return i.namespace=t,i}function i(t){n.save(t);for(var e=(t||"").split(/[\s,]+/),r=e.length,o=0;o<r;o++)e[o]&&("-"===(t=e[o].replace(/\*/g,".*?"))[0]?n.skips.push(new RegExp("^"+t.substr(1)+"$")):n.names.push(new RegExp("^"+t+"$")))}function s(){n.enable("")}function a(t){var e,r;for(e=0,r=n.skips.length;e<r;e++)if(n.skips[e].test(t))return!1;for(e=0,r=n.names.length;e<r;e++)if(n.names[e].test(t))return!0;return!1}function c(t){return t instanceof Error?t.stack||t.message:t}(n=e.exports=o).coerce=c,n.disable=s,n.enable=i,n.enabled=a,n.humanize=t("ms"),n.names=[],n.skips=[],n.formatters={};var p,u=0},{ms:35}],16:[function(t,e,n){e.exports=t("./lib/")},{"./lib/":17}],17:[function(t,e,n){e.exports=t("./socket"),e.exports.parser=t("engine.io-parser")},{"./socket":18,"engine.io-parser":27}],18:[function(t,e,n){(function(n){function r(t,e){if(!(this instanceof r))return new r(t,e);e=e||{},t&&"object"==typeof t&&(e=t,t=null),t?(t=u(t),e.hostname=t.host,e.secure="https"==t.protocol||"wss"==t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=u(e.host).host),this.secure=null!=e.secure?e.secure:n.location&&"https:"==location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.agent=e.agent||!1,this.hostname=e.hostname||(n.location?location.hostname:"localhost"),this.port=e.port||(n.location&&location.port?location.port:this.secure?443:80),this.query=e.query||{},"string"==typeof this.query&&(this.query=f.decode(this.query)),this.upgrade=!1!==e.upgrade,this.path=(e.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!e.forceJSONP,this.jsonp=!1!==e.jsonp,this.forceBase64=!!e.forceBase64,this.enablesXDR=!!e.enablesXDR,this.timestampParam=e.timestampParam||"t",this.timestampRequests=e.timestampRequests,this.transports=e.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],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 0===e.rejectUnauthorized||e.rejectUnauthorized;var o="object"==typeof n&&n;o.global===o&&e.extraHeaders&&Object.keys(e.extraHeaders).length>0&&(this.extraHeaders=e.extraHeaders),this.open()}function o(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}var i=t("./transports"),s=t("component-emitter"),a=t("debug")("engine.io-client:socket"),c=t("indexof"),p=t("engine.io-parser"),u=t("parseuri"),h=t("parsejson"),f=t("parseqs");e.exports=r,r.priorWebsocketSuccess=!1,s(r.prototype),r.protocol=p.protocol,r.Socket=r,r.Transport=t("./transport"),r.transports=t("./transports"),r.parser=t("engine.io-parser"),r.prototype.createTransport=function(t){a('creating transport "%s"',t);var e=o(this.query);return e.EIO=p.protocol,e.transport=t,this.id&&(e.sid=this.id),new i[t]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:e,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})},r.prototype.open=function(){var t;if(this.rememberUpgrade&&r.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)},r.prototype.setTransport=function(t){a("setting transport %s",t.name);var e=this;this.transport&&(a("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")})},r.prototype.probe=function(t){function e(){if(f.onlyBinaryUpgrades){var e=!this.supportsBinary&&f.transport.supportsBinary;h=h||e}h||(a('probe transport "%s" opened',t),u.send([{type:"ping",data:"probe"}]),u.once("packet",function(e){if(!h)if("pong"==e.type&&"probe"==e.data){if(a('probe transport "%s" pong',t),f.upgrading=!0,f.emit("upgrading",u),!u)return;r.priorWebsocketSuccess="websocket"==u.name,a('pausing current transport "%s"',f.transport.name),f.transport.pause(function(){h||"closed"!=f.readyState&&(a("changing transport and sending upgrade packet"),p(),f.setTransport(u),u.send([{type:"upgrade"}]),f.emit("upgrade",u),u=null,f.upgrading=!1,f.flush())})}else{a('probe transport "%s" failed',t);var n=new Error("probe error");n.transport=u.name,f.emit("upgradeError",n)}}))}function n(){h||(h=!0,p(),u.close(),u=null)}function o(e){var r=new Error("probe error: "+e);r.transport=u.name,n(),a('probe transport "%s" failed because of error: %s',t,e),f.emit("upgradeError",r)}function i(){o("transport closed")}function s(){o("socket closed")}function c(t){u&&t.name!=u.name&&(a('"%s" works - aborting "%s"',t.name,u.name),n())}function p(){u.removeListener("open",e),u.removeListener("error",o),u.removeListener("close",i),f.removeListener("close",s),f.removeListener("upgrading",c)}a('probing transport "%s"',t);var u=this.createTransport(t,{probe:1}),h=!1,f=this;r.priorWebsocketSuccess=!1,u.once("open",e),u.once("error",o),u.once("close",i),this.once("close",s),this.once("upgrading",c),u.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 t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},r.prototype.onPacket=function(t){if("opening"==this.readyState||"open"==this.readyState)switch(a('socket receive: type "%s", data "%s"',t.type,t.data),this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(h(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 a('packet received with socket readyState "%s"',this.readyState)},r.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))},r.prototype.onHeartbeat=function(t){clearTimeout(this.pingTimeoutTimer);var e=this;e.pingTimeoutTimer=setTimeout(function(){"closed"!=e.readyState&&e.onClose("ping timeout")},t||e.pingInterval+e.pingTimeout)},r.prototype.setPing=function(){var t=this;clearTimeout(t.pingIntervalTimer),t.pingIntervalTimer=setTimeout(function(){a("writing ping packet - expecting pong within %sms",t.pingTimeout),t.ping(),t.onHeartbeat(t.pingTimeout)},t.pingInterval)},r.prototype.ping=function(){var t=this;this.sendPacket("ping",function(){t.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(t,e,n){return this.sendPacket("message",t,e,n),this},r.prototype.sendPacket=function(t,e,n,r){if("function"==typeof 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()}},r.prototype.close=function(){function t(){r.onClose("forced close"),a("socket closing - telling transport to close"),r.transport.close()}function e(){r.removeListener("upgrade",e),r.removeListener("upgradeError",e),t()}function n(){r.once("upgrade",e),r.once("upgradeError",e)}if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var r=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?n():t()}):this.upgrading?n():t()}return this},r.prototype.onError=function(t){a("socket error %j",t),r.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},r.prototype.onClose=function(t,e){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){a('socket close with reason: "%s"',t);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",t,e),n.writeBuffer=[],n.prevBufferLen=0}},r.prototype.filterUpgrades=function(t){for(var e=[],n=0,r=t.length;n<r;n++)~c(this.transports,t[n])&&e.push(t[n]);return e}}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./transport":19,"./transports":20,"component-emitter":26,debug:14,"engine.io-parser":27,indexof:32,parsejson:36,parseqs:37,parseuri:38}],19:[function(t,e,n){function r(t){this.path=t.path,this.hostname=t.hostname,this.port=t.port,this.secure=t.secure,this.query=t.query,this.timestampParam=t.timestampParam,this.timestampRequests=t.timestampRequests,this.readyState="",this.agent=t.agent||!1,this.socket=t.socket,this.enablesXDR=t.enablesXDR,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}var o=t("engine.io-parser"),i=t("component-emitter");e.exports=r,i(r.prototype),r.prototype.onError=function(t,e){var n=new Error(t);return n.type="TransportError",n.description=e,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(t){if("open"!=this.readyState)throw new Error("Transport not open");this.write(t)},r.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},r.prototype.onData=function(t){var e=o.decodePacket(t,this.socket.binaryType);this.onPacket(e)},r.prototype.onPacket=function(t){this.emit("packet",t)},r.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":26,"engine.io-parser":27}],20:[function(t,e,n){(function(e){function r(t){var n=!1,r=!1,a=!1!==t.jsonp;if(e.location){var c="https:"==location.protocol,p=location.port;p||(p=c?443:80),n=t.hostname!=location.hostname||p!=t.port,r=t.secure!=c}if(t.xdomain=n,t.xscheme=r,"open"in new o(t)&&!t.forceJSONP)return new i(t);if(!a)throw new Error("JSONP disabled");return new s(t)}var o=t("xmlhttprequest-ssl"),i=t("./polling-xhr"),s=t("./polling-jsonp"),a=t("./websocket");n.polling=r,n.websocket=a}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./polling-jsonp":21,"./polling-xhr":22,"./websocket":24,"xmlhttprequest-ssl":25}],21:[function(t,e,n){(function(n){function r(){}function o(t){i.call(this,t),this.query=this.query||{},a||(n.___eio||(n.___eio=[]),a=n.___eio),this.index=a.length;var e=this;a.push(function(t){e.onData(t)}),this.query.j=this.index,n.document&&n.addEventListener&&n.addEventListener("beforeunload",function(){e.script&&(e.script.onerror=r)},!1)}var i=t("./polling"),s=t("component-inherit");e.exports=o;var a,c=/\n/g,p=/\\n/g;s(o,i),o.prototype.supportsBinary=!1,o.prototype.doClose=function(){this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),i.prototype.doClose.call(this)},o.prototype.doPoll=function(){var t=this,e=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),e.async=!0,e.src=this.uri(),e.onerror=function(e){t.onError("jsonp poll error",e)};var n=document.getElementsByTagName("script")[0];n?n.parentNode.insertBefore(e,n):(document.head||document.body).appendChild(e),this.script=e,"undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent)&&setTimeout(function(){var t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)},100)},o.prototype.doWrite=function(t,e){function n(){r(),e()}function r(){if(o.iframe)try{o.form.removeChild(o.iframe)}catch(t){o.onError("jsonp polling iframe removal error",t)}try{var t='<iframe src="javascript:0" name="'+o.iframeId+'">';i=document.createElement(t)}catch(t){(i=document.createElement("iframe")).name=o.iframeId,i.src="javascript:0"}i.id=o.iframeId,o.form.appendChild(i),o.iframe=i}var o=this;if(!this.form){var i,s=document.createElement("form"),a=document.createElement("textarea"),u=this.iframeId="eio_iframe_"+this.index;s.className="socketio",s.style.position="absolute",s.style.top="-1000px",s.style.left="-1000px",s.target=u,s.method="POST",s.setAttribute("accept-charset","utf-8"),a.name="d",s.appendChild(a),document.body.appendChild(s),this.form=s,this.area=a}this.form.action=this.uri(),r(),t=t.replace(p,"\\\n"),this.area.value=t.replace(c,"\\n");try{this.form.submit()}catch(t){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"==o.iframe.readyState&&n()}:this.iframe.onload=n}}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./polling":23,"component-inherit":13}],22:[function(t,e,n){(function(n){function r(){}function o(t){if(c.call(this,t),n.location){var e="https:"==location.protocol,r=location.port;r||(r=e?443:80),this.xd=t.hostname!=n.location.hostname||r!=t.port,this.xs=t.secure!=e}else this.extraHeaders=t.extraHeaders}function i(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.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()}function s(){for(var t in i.requests)i.requests.hasOwnProperty(t)&&i.requests[t].abort()}var a=t("xmlhttprequest-ssl"),c=t("./polling"),p=t("component-emitter"),u=t("component-inherit"),h=t("debug")("engine.io-client:polling-xhr");e.exports=o,e.exports.Request=i,u(o,c),o.prototype.supportsBinary=!0,o.prototype.request=function(t){return t=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.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.extraHeaders=this.extraHeaders,new i(t)},o.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},o.prototype.doPoll=function(){h("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},p(i.prototype),i.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 a(t),r=this;try{h("xhr open %s: %s",this.method,this.uri),e.open(this.method,this.uri,this.async);try{if(this.extraHeaders){e.setDisableHeaderCheck(!0);for(var o in this.extraHeaders)this.extraHeaders.hasOwnProperty(o)&&e.setRequestHeader(o,this.extraHeaders[o])}}catch(t){}if(this.supportsBinary&&(e.responseType="arraybuffer"),"POST"==this.method)try{this.isBinary?e.setRequestHeader("Content-type","application/octet-stream"):e.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}"withCredentials"in e&&(e.withCredentials=!0),this.hasXDR()?(e.onload=function(){r.onLoad()},e.onerror=function(){r.onError(e.responseText)}):e.onreadystatechange=function(){4==e.readyState&&(200==e.status||1223==e.status?r.onLoad():setTimeout(function(){r.onError(e.status)},0))},h("xhr data %s",this.data),e.send(this.data)}catch(t){return void setTimeout(function(){r.onError(t)},0)}n.document&&(this.index=i.requestsCount++,i.requests[this.index]=this)},i.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},i.prototype.onData=function(t){this.emit("data",t),this.onSuccess()},i.prototype.onError=function(t){this.emit("error",t),this.cleanup(!0)},i.prototype.cleanup=function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=r:this.xhr.onreadystatechange=r,t)try{this.xhr.abort()}catch(t){}n.document&&delete i.requests[this.index],this.xhr=null}},i.prototype.onLoad=function(){var t;try{var e;try{e=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(t){}if("application/octet-stream"===e)t=this.xhr.response;else if(this.supportsBinary)try{t=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(e){for(var n=new Uint8Array(this.xhr.response),r=[],o=0,i=n.length;o<i;o++)r.push(n[o]);t=String.fromCharCode.apply(null,r)}else t=this.xhr.responseText}catch(t){this.onError(t)}null!=t&&this.onData(t)},i.prototype.hasXDR=function(){return void 0!==n.XDomainRequest&&!this.xs&&this.enablesXDR},i.prototype.abort=function(){this.cleanup()},n.document&&(i.requestsCount=0,i.requests={},n.attachEvent?n.attachEvent("onunload",s):n.addEventListener&&n.addEventListener("beforeunload",s,!1))}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{})},{"./polling":23,"component-emitter":26,"component-inherit":13,debug:14,"xmlhttprequest-ssl":25}],23:[function(t,e,n){function r(t){var e=t&&t.forceBase64;u&&!e||(this.supportsBinary=!1),o.call(this,t)}var o=t("../transport"),i=t("parseqs"),s=t("engine.io-parser"),a=t("component-inherit"),c=t("yeast"),p=t("debug")("engine.io-client:polling");e.exports=r;var u=function(){return null!=new(t("xmlhttprequest-ssl"))({xdomain:!1}).responseType}();a(r,o),r.prototype.name="polling",r.prototype.doOpen=function(){this.poll()},r.prototype.pause=function(t){function e(){p("paused"),n.readyState="paused",t()}var n=this;if(this.readyState="pausing",this.polling||!this.writable){var r=0;this.polling&&(p("we are currently polling - waiting to pause"),r++,this.once("pollComplete",function(){p("pre-pause polling complete"),--r||e()})),this.writable||(p("we are currently writing - waiting to pause"),r++,this.once("drain",function(){p("pre-pause writing complete"),--r||e()}))}else e()},r.prototype.poll=function(){p("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},r.prototype.onData=function(t){var e=this;p("polling got data 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