/*!
The MIT License (MIT)

Copyright (c) 2014 Guillermo Rauch


Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.io=e():t.io=e()}(this,function(){return function(t){function e(n){if(r[n])return r[n].exports;var o=r[n]={exports:{},id:n,loaded:!1};return t[n].call(o.exports,o,o.exports,e),o.loaded=!0,o.exports}var r={};return e.m=t,e.c=r,e.p="",e(0)}([function(t,e,r){"use strict";function n(t,e){"object"===("undefined"==typeof t?"undefined":i(t))&&(e=t,t=void 0),e=e||{};var r,n=s(t),a=n.source,p=n.id,f=n.path,l=h[p]&&f in h[p].nsps,d=e.forceNew||e["force new connection"]||!1===e.multiplex||l;return d?(u("ignoring socket cache for %s",a),r=c(a,e)):(h[p]||(u("new io instance for %s",a),h[p]=c(a,e)),r=h[p]),n.query&&!e.query?e.query=n.query:e&&"object"===i(e.query)&&(e.query=o(e.query)),r.socket(n.path,e)}function o(t){var e=[];for(var r in t)t.hasOwnProperty(r)&&e.push(encodeURIComponent(r)+"="+encodeURIComponent(t[r]));return e.join("&")}var i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},s=r(1),a=r(7),c=r(17),u=r(3)("socket.io-client");t.exports=e=n;var h=e.managers={};e.protocol=a.protocol,e.connect=n,e.Manager=r(17),e.Socket=r(44)},function(t,e,r){(function(e){"use strict";function n(t,r){var n=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)||(i("protocol-less url %s",t),t="undefined"!=typeof r?r.protocol+"//"+t:"https://"+t),i("parse %s",t),n=o(t)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";var s=n.host.indexOf(":")!==-1,a=s?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+a+":"+n.port,n.href=n.protocol+"://"+a+(r&&r.port===n.port?"":":"+n.port),n}var o=r(2),i=r(3)("socket.io-client:url");t.exports=n}).call(e,function(){return this}())},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("]");o!=-1&&i!=-1&&(t=t.substring(0,o)+t.substring(o,i).replace(/:/g,";")+t.substring(i,t.length));for(var s=r.exec(t||""),a={},c=14;c--;)a[n[c]]=s[c]||"";return o!=-1&&i!=-1&&(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(n){function o(){return"undefined"!=typeof document&&"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 i(){var t=arguments,r=this.useColors;if(t[0]=(r?"%c":"")+this.namespace+(r?" %c":" ")+t[0]+(r?"%c ":" ")+"+"+e.humanize(this.diff),!r)return t;var n="color: "+this.color;t=[t[0],n,"color: inherit"].concat(Array.prototype.slice.call(t,1));var o=0,i=0;return t[0].replace(/%[a-z%]/g,function(t){"%%"!==t&&(o++,"%c"===t&&(i=o))}),t.splice(i,0,n),t}function s(){return"object"==typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function a(t){try{null==t?e.storage.removeItem("debug"):e.storage.debug=t}catch(t){}}function c(){try{return e.storage.debug}catch(t){}if("undefined"!=typeof n&&"env"in n)return n.env.DEBUG}function u(){try{return window.localStorage}catch(t){}}e=t.exports=r(5),e.log=s,e.formatArgs=i,e.save=a,e.load=c,e.useColors=o,e.storage="undefined"!=typeof chrome&&"undefined"!=typeof chrome.storage?chrome.storage.local:u(),e.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"],e.formatters.j=function(t){try{return JSON.stringify(t)}catch(t){return"[UnexpectedJSONParseError]: "+t.message}},e.enable(c())}).call(e,r(4))},function(t,e){function r(){throw new Error("setTimeout has not been defined")}function n(){throw new Error("clearTimeout has not been defined")}function o(t){if(h===setTimeout)return setTimeout(t,0);if((h===r||!h)&&setTimeout)return h=setTimeout,setTimeout(t,0);try{return h(t,0)}catch(e){try{return h.call(null,t,0)}catch(e){return h.call(this,t,0)}}}function i(t){if(p===clearTimeout)return clearTimeout(t);if((p===n||!p)&&clearTimeout)return p=clearTimeout,clearTimeout(t);try{return p(t)}catch(e){try{return p.call(null,t)}catch(e){return p.call(this,t)}}}function s(){y&&l&&(y=!1,l.length?d=l.concat(d):g=-1,d.length&&a())}function a(){if(!y){var t=o(s);y=!0;for(var e=d.length;e;){for(l=d,d=[];++g<e;)l&&l[g].run();g=-1,e=d.length}l=null,y=!1,i(t)}}function c(t,e){this.fun=t,this.array=e}function u(){}var h,p,f=t.exports={};!function(){try{h="function"==typeof setTimeout?setTimeout:r}catch(t){h=r}try{p="function"==typeof clearTimeout?clearTimeout:n}catch(t){p=n}}();var l,d=[],y=!1,g=-1;f.nextTick=function(t){var e=new Array(arguments.length-1);if(arguments.length>1)for(var r=1;r<arguments.length;r++)e[r-1]=arguments[r];d.push(new c(t,e)),1!==d.length||y||o(a)},c.prototype.run=function(){this.fun.apply(null,this.array)},f.title="browser",f.browser=!0,f.env={},f.argv=[],f.version="",f.versions={},f.on=u,f.addListener=u,f.once=u,f.off=u,f.removeListener=u,f.removeAllListeners=u,f.emit=u,f.binding=function(t){throw new Error("process.binding is not supported")},f.cwd=function(){return"/"},f.chdir=function(t){throw new Error("process.chdir is not supported")},f.umask=function(){return 0}},function(t,e,r){function n(){return e.colors[h++%e.colors.length]}function o(t){function r(){}function o(){var t=o,r=+new Date,i=r-(u||r);t.diff=i,t.prev=u,t.curr=r,u=r,null==t.useColors&&(t.useColors=e.useColors()),null==t.color&&t.useColors&&(t.color=n());for(var s=new Array(arguments.length),a=0;a<s.length;a++)s[a]=arguments[a];s[0]=e.coerce(s[0]),"string"!=typeof s[0]&&(s=["%o"].concat(s));var c=0;s[0]=s[0].replace(/%([a-z%])/g,function(r,n){if("%%"===r)return r;c++;var o=e.formatters[n];if("function"==typeof o){var i=s[c];r=o.call(t,i),s.splice(c,1),c--}return r}),s=e.formatArgs.apply(t,s);var h=o.log||e.log||console.log.bind(console);h.apply(t,s)}r.enabled=!1,o.enabled=!0;var i=e.enabled(t)?o:r;return i.namespace=t,i}function i(t){e.save(t);for(var r=(t||"").split(/[\s,]+/),n=r.length,o=0;o<n;o++)r[o]&&(t=r[o].replace(/[\\^$+?.()|[\]{}]/g,"\\$&").replace(/\*/g,".*?"),"-"===t[0]?e.skips.push(new RegExp("^"+t.substr(1)+"$")):e.names.push(new RegExp("^"+t+"$")))}function s(){e.enable("")}function a(t){var r,n;for(r=0,n=e.skips.length;r<n;r++)if(e.skips[r].test(t))return!1;for(r=0,n=e.names.length;r<n;r++)if(e.names[r].test(t))return!0;return!1}function c(t){return t instanceof Error?t.stack||t.message:t}e=t.exports=o.debug=o,e.coerce=c,e.disable=s,e.enable=i,e.enabled=a,e.humanize=r(6),e.names=[],e.skips=[],e.formatters={};var u,h=0},function(t,e){function r(t){if(t=String(t),!(t.length>1e4)){var e=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(t);if(e){var r=parseFloat(e[1]),n=(e[2]||"ms").toLowerCase();switch(n){case"years":case"year":case"yrs":case"yr":case"y":return r*h;case"days":case"day":case"d":return r*u;case"hours":case"hour":case"hrs":case"hr":case"h":return r*c;case"minutes":case"minute":case"mins":case"min":case"m":return r*a;case"seconds":case"second":case"secs":case"sec":case"s":return r*s;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return r;default:return}}}}function n(t){return t>=u?Math.round(t/u)+"d":t>=c?Math.round(t/c)+"h":t>=a?Math.round(t/a)+"m":t>=s?Math.round(t/s)+"s":t+"ms"}function o(t){return i(t,u,"day")||i(t,c,"hour")||i(t,a,"minute")||i(t,s,"second")||t+" ms"}function i(t,e,r){if(!(t<e))return t<1.5*e?Math.floor(t/e)+" "+r:Math.ceil(t/e)+" "+r+"s"}var s=1e3,a=60*s,c=60*a,u=24*c,h=365.25*u;t.exports=function(t,e){e=e||{};var i=typeof t;if("string"===i&&t.length>0)return r(t);if("number"===i&&isNaN(t)===!1)return e.long?o(t):n(t);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(t))}},function(t,e,r){function n(){}function o(t){var r="",n=!1;return r+=t.type,e.BINARY_EVENT!=t.type&&e.BINARY_ACK!=t.type||(r+=t.attachments,r+="-"),t.nsp&&"/"!=t.nsp&&(n=!0,r+=t.nsp),null!=t.id&&(n&&(r+=",",n=!1),r+=t.id),null!=t.data&&(n&&(r+=","),r+=f.stringify(t.data)),p("encoded %j as %s",t,r),r}function i(t,e){function r(t){var r=d.deconstructPacket(t),n=o(r.packet),i=r.buffers;i.unshift(n),e(i)}d.removeBlobs(t,r)}function s(){this.reconstructor=null}function a(t){var r={},n=0;if(r.type=Number(t.charAt(0)),null==e.types[r.type])return h();if(e.BINARY_EVENT==r.type||e.BINARY_ACK==r.type){for(var o="";"-"!=t.charAt(++n)&&(o+=t.charAt(n),n!=t.length););if(o!=Number(o)||"-"!=t.charAt(n))throw new Error("Illegal attachments");r.attachments=Number(o)}if("/"==t.charAt(n+1))for(r.nsp="";++n;){var i=t.charAt(n);if(","==i)break;if(r.nsp+=i,n==t.length)break}else r.nsp="/";var s=t.charAt(n+1);if(""!==s&&Number(s)==s){for(r.id="";++n;){var i=t.charAt(n);if(null==i||Number(i)!=i){--n;break}if(r.id+=t.charAt(n),n==t.length)break}r.id=Number(r.id)}return t.charAt(++n)&&(r=c(r,t.substr(n))),p("decoded %s as %j",t,r),r}function c(t,e){try{t.data=f.parse(e)}catch(t){return h()}return t}function u(t){this.reconPack=t,this.buffers=[]}function h(t){return{type:e.ERROR,data:"parser error"}}var p=r(8)("socket.io-parser"),f=r(11),l=r(13),d=r(14),y=r(16);e.protocol=4,e.types=["CONNECT","DISCONNECT","EVENT","ACK","ERROR","BINARY_EVENT","BINARY_ACK"],e.CONNECT=0,e.DISCONNECT=1,e.EVENT=2,e.ACK=3,e.ERROR=4,e.BINARY_EVENT=5,e.BINARY_ACK=6,e.Encoder=n,e.Decoder=s,n.prototype.encode=function(t,r){if(p("encoding packet %j",t),e.BINARY_EVENT==t.type||e.BINARY_ACK==t.type)i(t,r);else{var n=o(t);r([n])}},l(s.prototype),s.prototype.add=function(t){var r;if("string"==typeof t)r=a(t),e.BINARY_EVENT==r.type||e.BINARY_ACK==r.type?(this.reconstructor=new u(r),0===this.reconstructor.reconPack.attachments&&this.emit("decoded",r)):this.emit("decoded",r);else{if(!y(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");r=this.reconstructor.takeBinaryData(t),r&&(this.reconstructor=null,this.emit("decoded",r))}},s.prototype.destroy=function(){this.reconstructor&&this.reconstructor.finishedReconstruction()},u.prototype.takeBinaryData=function(t){if(this.buffers.push(t),this.buffers.length==this.reconPack.attachments){var e=d.reconstructPacket(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null},u.prototype.finishedReconstruction=function(){this.reconPack=null,this.buffers=[]}},function(t,e,r){function n(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}function o(){var t=arguments,r=this.useColors;if(t[0]=(r?"%c":"")+this.namespace+(r?" %c":" ")+t[0]+(r?"%c ":" ")+"+"+e.humanize(this.diff),!r)return t;var n="color: "+this.color;t=[t[0],n,"color: inherit"].concat(Array.prototype.slice.call(t,1));var o=0,i=0;return t[0].replace(/%[a-z%]/g,function(t){"%%"!==t&&(o++,"%c"===t&&(i=o))}),t.splice(i,0,n),t}function i(){return"object"==typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function s(t){try{null==t?e.storage.removeItem("debug"):e.storage.debug=t}catch(t){}}function a(){var t;try{t=e.storage.debug}catch(t){}return t}function c(){try{return window.localStorage}catch(t){}}e=t.exports=r(9),e.log=i,e.formatArgs=o,e.save=s,e.load=a,e.useColors=n,e.storage="undefined"!=typeof chrome&&"undefined"!=typeof chrome.storage?chrome.storage.local:c(),e.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"],e.formatters.j=function(t){return JSON.stringify(t)},e.enable(a())},function(t,e,r){function n(){return e.colors[h++%e.colors.length]}function o(t){function r(){}function o(){var t=o,r=+new Date,i=r-(u||r);t.diff=i,t.prev=u,t.curr=r,u=r,null==t.useColors&&(t.useColors=e.useColors()),null==t.color&&t.useColors&&(t.color=n());var s=Array.prototype.slice.call(arguments);s[0]=e.coerce(s[0]),"string"!=typeof s[0]&&(s=["%o"].concat(s));var a=0;s[0]=s[0].replace(/%([a-z%])/g,function(r,n){if("%%"===r)return r;a++;var o=e.formatters[n];if("function"==typeof o){var i=s[a];r=o.call(t,i),s.splice(a,1),a--}return r}),"function"==typeof e.formatArgs&&(s=e.formatArgs.apply(t,s));var c=o.log||e.log||console.log.bind(console);c.apply(t,s)}r.enabled=!1,o.enabled=!0;var i=e.enabled(t)?o:r;return i.namespace=t,i}function i(t){e.save(t);for(var r=(t||"").split(/[\s,]+/),n=r.length,o=0;o<n;o++)r[o]&&(t=r[o].replace(/\*/g,".*?"),"-"===t[0]?e.skips.push(new RegExp("^"+t.substr(1)+"$")):e.names.push(new RegExp("^"+t+"$")))}function s(){e.enable("")}function a(t){var r,n;for(r=0,n=e.skips.length;r<n;r++)if(e.skips[r].test(t))return!1;for(r=0,n=e.names.length;r<n;r++)if(e.names[r].test(t))return!0;return!1}function c(t){return t instanceof Error?t.stack||t.message:t}e=t.exports=o,e.coerce=c,e.disable=s,e.enable=i,e.enabled=a,e.humanize=r(10),e.names=[],e.skips=[],e.formatters={};var u,h=0},function(t,e){function r(t){if(t=""+t,!(t.length>1e4)){var e=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(t);if(e){var r=parseFloat(e[1]),n=(e[2]||"ms").toLowerCase();switch(n){case"years":case"year":case"yrs":case"yr":case"y":return r*h;case"days":case"day":case"d":return r*u;case"hours":case"hour":case"hrs":case"hr":case"h":return r*c;case"minutes":case"minute":case"mins":case"min":case"m":return r*a;case"seconds":case"second":case"secs":case"sec":case"s":return r*s;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return r}}}}function n(t){return t>=u?Math.round(t/u)+"d":t>=c?Math.round(t/c)+"h":t>=a?Math.round(t/a)+"m":t>=s?Math.round(t/s)+"s":t+"ms"}function o(t){return i(t,u,"day")||i(t,c,"hour")||i(t,a,"minute")||i(t,s,"second")||t+" ms"}function i(t,e,r){if(!(t<e))return t<1.5*e?Math.floor(t/e)+" "+r:Math.ceil(t/e)+" "+r+"s"}var s=1e3,a=60*s,c=60*a,u=24*c,h=365.25*u;t.exports=function(t,e){return e=e||{},"string"==typeof t?r(t):e.long?o(t):n(t)}},function(t,e,r){(function(t,r){var n=!1;(function(){function o(t,e){function r(t){if(r[t]!==g)return r[t];var o;if("bug-string-char-index"==t)o="a"!="a"[0];else if("json"==t)o=r("json-stringify")&&r("json-parse");else{var s,a='{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';if("json-stringify"==t){var c=e.stringify,h="function"==typeof c&&b;if(h){(s=function(){return 1}).toJSON=s;try{h="0"===c(0)&&"0"===c(new n)&&'""'==c(new i)&&c(v)===g&&c(g)===g&&c()===g&&"1"===c(s)&&"[1]"==c([s])&&"[null]"==c([g])&&"null"==c(null)&&"[null,null,null]"==c([g,v,null])&&c({a:[s,!0,!1,null,"\0\b\n\f\r\t"]})==a&&"1"===c(null,s)&&"[\n 1,\n 2\n]"==c([1,2],null,1)&&'"-271821-04-20T00:00:00.000Z"'==c(new u(-864e13))&&'"+275760-09-13T00:00:00.000Z"'==c(new u(864e13))&&'"-000001-01-01T00:00:00.000Z"'==c(new u(-621987552e5))&&'"1969-12-31T23:59:59.999Z"'==c(new u(-1))}catch(t){h=!1}}o=h}if("json-parse"==t){var p=e.parse;if("function"==typeof p)try{if(0===p("0")&&!p(!1)){s=p(a);var f=5==s.a.length&&1===s.a[0];if(f){try{f=!p('"\t"')}catch(t){}if(f)try{f=1!==p("01")}catch(t){}if(f)try{f=1!==p("1.")}catch(t){}}}}catch(t){f=!1}o=f}}return r[t]=!!o}t||(t=c.Object()),e||(e=c.Object());var n=t.Number||c.Number,i=t.String||c.String,a=t.Object||c.Object,u=t.Date||c.Date,h=t.SyntaxError||c.SyntaxError,p=t.TypeError||c.TypeError,f=t.Math||c.Math,l=t.JSON||c.JSON;"object"==typeof l&&l&&(e.stringify=l.stringify,e.parse=l.parse);var d,y,g,m=a.prototype,v=m.toString,b=new u(-0xc782b5b800cec);try{b=b.getUTCFullYear()==-109252&&0===b.getUTCMonth()&&1===b.getUTCDate()&&10==b.getUTCHours()&&37==b.getUTCMinutes()&&6==b.getUTCSeconds()&&708==b.getUTCMilliseconds()}catch(t){}if(!r("json")){var w="[object Function]",k="[object Date]",x="[object Number]",A="[object String]",C="[object Array]",B="[object Boolean]",S=r("bug-string-char-index");if(!b)var T=f.floor,E=[0,31,59,90,120,151,181,212,243,273,304,334],_=function(t,e){return E[e]+365*(t-1970)+T((t-1969+(e=+(e>1)))/4)-T((t-1901+e)/100)+T((t-1601+e)/400)};if((d=m.hasOwnProperty)||(d=function(t){var e,r={};return(r.__proto__=null,r.__proto__={toString:1},r).toString!=v?d=function(t){var e=this.__proto__,r=t in(this.__proto__=null,this);return this.__proto__=e,r}:(e=r.constructor,d=function(t){var r=(this.constructor||e).prototype;return t in this&&!(t in r&&this[t]===r[t])}),r=null,d.call(this,t)}),y=function(t,e){var r,n,o,i=0;(r=function(){this.valueOf=0}).prototype.valueOf=0,n=new r;for(o in n)d.call(n,o)&&i++;return r=n=null,i?y=2==i?function(t,e){var r,n={},o=v.call(t)==w;for(r in t)o&&"prototype"==r||d.call(n,r)||!(n[r]=1)||!d.call(t,r)||e(r)}:function(t,e){var r,n,o=v.call(t)==w;for(r in t)o&&"prototype"==r||!d.call(t,r)||(n="constructor"===r)||e(r);(n||d.call(t,r="constructor"))&&e(r)}:(n=["valueOf","toString","toLocaleString","propertyIsEnumerable","isPrototypeOf","hasOwnProperty","constructor"],y=function(t,e){var r,o,i=v.call(t)==w,a=!i&&"function"!=typeof t.constructor&&s[typeof t.hasOwnProperty]&&t.hasOwnProperty||d;for(r in t)i&&"prototype"==r||!a.call(t,r)||e(r);for(o=n.length;r=n[--o];a.call(t,r)&&e(r));}),y(t,e)},!r("json-stringify")){var N={92:"\\\\",34:'\\"',8:"\\b",12:"\\f",10:"\\n",13:"\\r",9:"\\t"},j="000000",O=function(t,e){return(j+(e||0)).slice(-t)},P="\\u00",R=function(t){for(var e='"',r=0,n=t.length,o=!S||n>10,i=o&&(S?t.split(""):t);r<n;r++){var s=t.charCodeAt(r);switch(s){case 8:case 9:case 10:case 12:case 13:case 34:case 92:e+=N[s];break;default:if(s<32){e+=P+O(2,s.toString(16));break}e+=o?i[r]:t.charAt(r)}}return e+'"'},D=function(t,e,r,n,o,i,s){var a,c,u,h,f,l,m,b,w,S,E,N,j,P,q,U;try{a=e[t]}catch(t){}if("object"==typeof a&&a)if(c=v.call(a),c!=k||d.call(a,"toJSON"))"function"==typeof a.toJSON&&(c!=x&&c!=A&&c!=C||d.call(a,"toJSON"))&&(a=a.toJSON(t));else if(a>-1/0&&a<1/0){if(_){for(f=T(a/864e5),u=T(f/365.2425)+1970-1;_(u+1,0)<=f;u++);for(h=T((f-_(u,0))/30.42);_(u,h+1)<=f;h++);f=1+f-_(u,h),l=(a%864e5+864e5)%864e5,m=T(l/36e5)%24,b=T(l/6e4)%60,w=T(l/1e3)%60,S=l%1e3}else u=a.getUTCFullYear(),h=a.getUTCMonth(),f=a.getUTCDate(),m=a.getUTCHours(),b=a.getUTCMinutes(),w=a.getUTCSeconds(),S=a.getUTCMilliseconds();a=(u<=0||u>=1e4?(u<0?"-":"+")+O(6,u<0?-u:u):O(4,u))+"-"+O(2,h+1)+"-"+O(2,f)+"T"+O(2,m)+":"+O(2,b)+":"+O(2,w)+"."+O(3,S)+"Z"}else a=null;if(r&&(a=r.call(e,t,a)),null===a)return"null";if(c=v.call(a),c==B)return""+a;if(c==x)return a>-1/0&&a<1/0?""+a:"null";if(c==A)return R(""+a);if("object"==typeof a){for(P=s.length;P--;)if(s[P]===a)throw p();if(s.push(a),E=[],q=i,i+=o,c==C){for(j=0,P=a.length;j<P;j++)N=D(j,a,r,n,o,i,s),E.push(N===g?"null":N);U=E.length?o?"[\n"+i+E.join(",\n"+i)+"\n"+q+"]":"["+E.join(",")+"]":"[]"}else y(n||a,function(t){var e=D(t,a,r,n,o,i,s);e!==g&&E.push(R(t)+":"+(o?" ":"")+e)}),U=E.length?o?"{\n"+i+E.join(",\n"+i)+"\n"+q+"}":"{"+E.join(",")+"}":"{}";return s.pop(),U}};e.stringify=function(t,e,r){var n,o,i,a;if(s[typeof e]&&e)if((a=v.call(e))==w)o=e;else if(a==C){i={};for(var c,u=0,h=e.length;u<h;c=e[u++],a=v.call(c),(a==A||a==x)&&(i[c]=1));}if(r)if((a=v.call(r))==x){if((r-=r%1)>0)for(n="",r>10&&(r=10);n.length<r;n+=" ");}else a==A&&(n=r.length<=10?r:r.slice(0,10));return D("",(c={},c[""]=t,c),o,i,n,"",[])}}if(!r("json-parse")){var q,U,M=i.fromCharCode,L={92:"\\",34:'"',47:"/",98:"\b",116:"\t",110:"\n",102:"\f",114:"\r"},I=function(){throw q=U=null,h()},H=function(){for(var t,e,r,n,o,i=U,s=i.length;q<s;)switch(o=i.charCodeAt(q)){case 9:case 10:case 13:case 32:q++;break;case 123:case 125:case 91:case 93:case 58:case 44:return t=S?i.charAt(q):i[q],q++,t;case 34:for(t="@",q++;q<s;)if(o=i.charCodeAt(q),o<32)I();else if(92==o)switch(o=i.charCodeAt(++q)){case 92:case 34:case 47:case 98:case 116:case 110:case 102:case 114:t+=L[o],q++;break;case 117:for(e=++q,r=q+4;q<r;q++)o=i.charCodeAt(q),o>=48&&o<=57||o>=97&&o<=102||o>=65&&o<=70||I();t+=M("0x"+i.slice(e,q));break;default:I()}else{if(34==o)break;for(o=i.charCodeAt(q),e=q;o>=32&&92!=o&&34!=o;)o=i.charCodeAt(++q);t+=i.slice(e,q)}if(34==i.charCodeAt(q))return q++,t;I();default:if(e=q,45==o&&(n=!0,o=i.charCodeAt(++q)),o>=48&&o<=57){for(48==o&&(o=i.charCodeAt(q+1),o>=48&&o<=57)&&I(),n=!1;q<s&&(o=i.charCodeAt(q),o>=48&&o<=57);q++);if(46==i.charCodeAt(q)){for(r=++q;r<s&&(o=i.charCodeAt(r),o>=48&&o<=57);r++);r==q&&I(),q=r}if(o=i.charCodeAt(q),101==o||69==o){for(o=i.charCodeAt(++q),43!=o&&45!=o||q++,r=q;r<s&&(o=i.charCodeAt(r),o>=48&&o<=57);r++);r==q&&I(),q=r}return+i.slice(e,q)}if(n&&I(),"true"==i.slice(q,q+4))return q+=4,!0;if("false"==i.slice(q,q+5))return q+=5,!1;if("null"==i.slice(q,q+4))return q+=4,null;I()}return"$"},z=function(t){var e,r;if("$"==t&&I(),"string"==typeof t){if("@"==(S?t.charAt(0):t[0]))return t.slice(1);if("["==t){for(e=[];t=H(),"]"!=t;r||(r=!0))r&&(","==t?(t=H(),"]"==t&&I()):I()),","==t&&I(),e.push(z(t));return e}if("{"==t){for(e={};t=H(),"}"!=t;r||(r=!0))r&&(","==t?(t=H(),"}"==t&&I()):I()),","!=t&&"string"==typeof t&&"@"==(S?t.charAt(0):t[0])&&":"==H()||I(),e[t.slice(1)]=z(H());return e}I()}return t},J=function(t,e,r){var n=X(t,e,r);n===g?delete t[e]:t[e]=n},X=function(t,e,r){var n,o=t[e];if("object"==typeof o&&o)if(v.call(o)==C)for(n=o.length;n--;)J(o,n,r);else y(o,function(t){J(o,t,r)});return r.call(t,e,o)};e.parse=function(t,e){var r,n;return q=0,U=""+t,r=z(H()),"$"!=H()&&I(),q=U=null,e&&v.call(e)==w?X((n={},n[""]=r,n),"",e):r}}}return e.runInContext=o,e}var i="function"==typeof n&&n.amd,s={function:!0,object:!0},a=s[typeof e]&&e&&!e.nodeType&&e,c=s[typeof window]&&window||this,u=a&&s[typeof t]&&t&&!t.nodeType&&"object"==typeof r&&r;if(!u||u.global!==u&&u.window!==u&&u.self!==u||(c=u),a&&!i)o(c,a);else{var h=c.JSON,p=c.JSON3,f=!1,l=o(c,c.JSON3={noConflict:function(){return f||(f=!0,c.JSON=h,c.JSON3=p,h=p=null),l}});c.JSON={parse:l.parse,stringify:l.stringify}}i&&n(function(){return l})}).call(this)}).call(e,r(12)(t),function(){return this}())},function(t,e){t.exports=function(t){return t.webpackPolyfill||(t.deprecate=function(){},t.paths=[],t.children=[],t.webpackPolyfill=1),t}},function(t,e){function r(t){if(t)return n(t)}function n(t){for(var e in r.prototype)t[e]=r.prototype[e];return t}t.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 r(){n.off(t,r),e.apply(this,arguments)}var n=this;return this._callbacks=this._callbacks||{},r.fn=e,this.on(t,r),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 r=this._callbacks[t];if(!r)return this;if(1==arguments.length)return delete this._callbacks[t],this;for(var n,o=0;o<r.length;o++)if(n=r[o],n===e||n.fn===e){r.splice(o,1);break}return this},r.prototype.emit=function(t){this._callbacks=this._callbacks||{};var e=[].slice.call(arguments,1),r=this._callbacks[t];if(r){r=r.slice(0);for(var n=0,o=r.length;n<o;++n)r[n].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}},function(t,e,r){(function(t){var n=r(15),o=r(16);e.deconstructPacket=function(t){function e(t){if(!t)return t;if(o(t)){var i={_placeholder:!0,num:r.length};return r.push(t),i}if(n(t)){for(var s=new Array(t.length),a=0;a<t.length;a++)s[a]=e(t[a]);return s}if("object"==typeof t&&!(t instanceof Date)){var s={};for(var c in t)s[c]=e(t[c]);return s}return t}var r=[],i=t.data,s=t;return s.data=e(i),s.attachments=r.length,{packet:s,buffers:r}},e.reconstructPacket=function(t,e){function r(t){if(t&&t._placeholder){var o=e[t.num];return o}if(n(t)){for(var i=0;i<t.length;i++)t[i]=r(t[i]);return t}if(t&&"object"==typeof t){for(var s in t)t[s]=r(t[s]);return t}return t}return t.data=r(t.data),t.attachments=void 0,t},e.removeBlobs=function(e,r){function i(e,c,u){if(!e)return e;if(t.Blob&&e instanceof Blob||t.File&&e instanceof File){s++;var h=new FileReader;h.onload=function(){u?u[c]=this.result:a=this.result,--s||r(a)},h.readAsArrayBuffer(e)}else if(n(e))for(var p=0;p<e.length;p++)i(e[p],p,e);else if(e&&"object"==typeof e&&!o(e))for(var f in e)i(e[f],f,e)}var s=0,a=e;i(a),s||r(a)}}).call(e,function(){return this}())},function(t,e){t.exports=Array.isArray||function(t){return"[object Array]"==Object.prototype.toString.call(t)}},function(t,e){(function(e){function r(t){return e.Buffer&&e.Buffer.isBuffer(t)||e.ArrayBuffer&&t instanceof ArrayBuffer}t.exports=r}).call(e,function(){return this}())},function(t,e,r){"use strict";function n(t,e){return this instanceof n?(t&&"object"===("undefined"==typeof t?"undefined":o(t))&&(e=t,t=void 0),e=e||{},e.path=e.path||"/socket.io",this.nsps={},this.subs=[],this.opts=e,this.reconnection(e.reconnection!==!1),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(e.randomizationFactor||.5),this.backoff=new l({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 c.Encoder,this.decoder=new c.Decoder,this.autoConnect=e.autoConnect!==!1,void(this.autoConnect&&this.open())):new n(t,e)}var o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},i=r(18),s=r(44),a=r(35),c=r(7),u=r(46),h=r(47),p=r(3)("socket.io-client:manager"),f=r(42),l=r(48),d=Object.prototype.hasOwnProperty;t.exports=n,n.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var t in this.nsps)d.call(this.nsps,t)&&this.nsps[t].emit.apply(this.nsps[t],arguments)},n.prototype.updateSocketIds=function(){for(var t in this.nsps)d.call(this.nsps,t)&&(this.nsps[t].id=this.engine.id)},a(n.prototype),n.prototype.reconnection=function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection},n.prototype.reconnectionAttempts=function(t){return arguments.length?(this._reconnectionAttempts=t,this):this._reconnectionAttempts},n.prototype.reconnectionDelay=function(t){return arguments.length?(this._reconnectionDelay=t,this.backoff&&this.backoff.setMin(t),this):this._reconnectionDelay},n.prototype.randomizationFactor=function(t){return arguments.length?(this._randomizationFactor=t,this.backoff&&this.backoff.setJitter(t),this):this._randomizationFactor},n.prototype.reconnectionDelayMax=function(t){return arguments.length?(this._reconnectionDelayMax=t,this.backoff&&this.backoff.setMax(t),this):this._reconnectionDelayMax},n.prototype.timeout=function(t){return arguments.length?(this._timeout=t,this):this._timeout},n.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},n.prototype.open=n.prototype.connect=function(t,e){if(p("readyState %s",this.readyState),~this.readyState.indexOf("open"))return this;p("opening %s",this.uri),this.engine=i(this.uri,this.opts);var r=this.engine,n=this;this.readyState="opening",this.skipReconnect=!1;var o=u(r,"open",function(){n.onopen(),t&&t()}),s=u(r,"error",function(e){if(p("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 a=this._timeout;p("connect attempt will timeout after %d",a);var c=setTimeout(function(){p("connect attempt timed out after %d",a),o.destroy(),r.close(),r.emit("error","timeout"),n.emitAll("connect_timeout",a)},a);this.subs.push({destroy:function(){clearTimeout(c)}})}return this.subs.push(o),this.subs.push(s),this},n.prototype.onopen=function(){p("open"),this.cleanup(),this.readyState="open",this.emit("open");var t=this.engine;this.subs.push(u(t,"data",h(this,"ondata"))),this.subs.push(u(t,"ping",h(this,"onping"))),this.subs.push(u(t,"pong",h(this,"onpong"))),this.subs.push(u(t,"error",h(this,"onerror"))),this.subs.push(u(t,"close",h(this,"onclose"))),this.subs.push(u(this.decoder,"decoded",h(this,"ondecoded")))},n.prototype.onping=function(){this.lastPing=new Date,this.emitAll("ping")},n.prototype.onpong=function(){this.emitAll("pong",new Date-this.lastPing)},n.prototype.ondata=function(t){this.decoder.add(t)},n.prototype.ondecoded=function(t){this.emit("packet",t)},n.prototype.onerror=function(t){p("error",t),this.emitAll("error",t)},n.prototype.socket=function(t,e){function r(){~f(o.connecting,n)||o.connecting.push(n)}var n=this.nsps[t];if(!n){n=new s(this,t,e),this.nsps[t]=n;var o=this;n.on("connecting",r),n.on("connect",function(){n.id=o.engine.id}),this.autoConnect&&r()}return n},n.prototype.destroy=function(t){var e=f(this.connecting,t);~e&&this.connecting.splice(e,1),this.connecting.length||this.close()},n.prototype.packet=function(t){p("writing packet %j",t);var e=this;t.query&&0===t.type&&(t.nsp+="?"+t.query),e.encoding?e.packetBuffer.push(t):(e.encoding=!0,this.encoder.encode(t,function(r){for(var n=0;n<r.length;n++)e.engine.write(r[n],t.options);e.encoding=!1,e.processPacketQueue()}))},n.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var t=this.packetBuffer.shift();this.packet(t)}},n.prototype.cleanup=function(){p("cleanup");for(var t=this.subs.length,e=0;e<t;e++){var r=this.subs.shift();r.destroy()}this.packetBuffer=[],this.encoding=!1,this.lastPing=null,this.decoder.destroy()},n.prototype.close=n.prototype.disconnect=function(){p("disconnect"),this.skipReconnect=!0,this.reconnecting=!1,"opening"===this.readyState&&this.cleanup(),this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},n.prototype.onclose=function(t){p("onclose"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()},n.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var t=this;if(this.backoff.attempts>=this._reconnectionAttempts)p("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var e=this.backoff.duration();p("will wait %dms before reconnect attempt",e),this.reconnecting=!0;var r=setTimeout(function(){t.skipReconnect||(p("attempting reconnect"),t.emitAll("reconnect_attempt",t.backoff.attempts),t.emitAll("reconnecting",t.backoff.attempts),t.skipReconnect||t.open(function(e){e?(p("reconnect attempt error"),t.reconnecting=!1,t.reconnect(),t.emitAll("reconnect_error",e.data)):(p("reconnect success"),t.onreconnect())}))},e);this.subs.push({destroy:function(){clearTimeout(r)}})}},n.prototype.onreconnect=function(){var t=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",t)}},function(t,e,r){t.exports=r(19)},function(t,e,r){t.exports=r(20),t.exports.parser=r(27)},function(t,e,r){(function(e){function n(t,r){if(!(this instanceof n))return new n(t,r);r=r||{},t&&"object"==typeof t&&(r=t,t=null),t?(t=h(t),r.hostname=t.host,r.secure="https"===t.protocol||"wss"===t.protocol,r.port=t.port,t.query&&(r.query=t.query)):r.host&&(r.hostname=h(r.host).host),
this.secure=null!=r.secure?r.secure:e.location&&"https:"===location.protocol,r.hostname&&!r.port&&(r.port=this.secure?"443":"80"),this.agent=r.agent||!1,this.hostname=r.hostname||(e.location?location.hostname:"localhost"),this.port=r.port||(e.location&&location.port?location.port:this.secure?443:80),this.query=r.query||{},"string"==typeof this.query&&(this.query=f.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||["polling","websocket"],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 0===r.rejectUnauthorized?null:r.rejectUnauthorized,this.forceNode=!!r.forceNode;var o="object"==typeof e&&e;o.global===o&&(r.extraHeaders&&Object.keys(r.extraHeaders).length>0&&(this.extraHeaders=r.extraHeaders),r.localAddress&&(this.localAddress=r.localAddress)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingIntervalTimer=null,this.pingTimeoutTimer=null,this.open()}function o(t){var e={};for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r]);return e}var i=r(21),s=r(35),a=r(3)("engine.io-client:socket"),c=r(42),u=r(27),h=r(2),p=r(43),f=r(36);t.exports=n,n.priorWebsocketSuccess=!1,s(n.prototype),n.protocol=u.protocol,n.Socket=n,n.Transport=r(26),n.transports=r(21),n.parser=r(27),n.prototype.createTransport=function(t){a('creating transport "%s"',t);var e=o(this.query);e.EIO=u.protocol,e.transport=t,this.id&&(e.sid=this.id);var r=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,forceNode:this.forceNode,localAddress:this.localAddress});return r},n.prototype.open=function(){var t;if(this.rememberUpgrade&&n.priorWebsocketSuccess&&this.transports.indexOf("websocket")!==-1)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)},n.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")})},n.prototype.probe=function(t){function e(){if(f.onlyBinaryUpgrades){var e=!this.supportsBinary&&f.transport.supportsBinary;p=p||e}p||(a('probe transport "%s" opened',t),h.send([{type:"ping",data:"probe"}]),h.once("packet",function(e){if(!p)if("pong"===e.type&&"probe"===e.data){if(a('probe transport "%s" pong',t),f.upgrading=!0,f.emit("upgrading",h),!h)return;n.priorWebsocketSuccess="websocket"===h.name,a('pausing current transport "%s"',f.transport.name),f.transport.pause(function(){p||"closed"!==f.readyState&&(a("changing transport and sending upgrade packet"),u(),f.setTransport(h),h.send([{type:"upgrade"}]),f.emit("upgrade",h),h=null,f.upgrading=!1,f.flush())})}else{a('probe transport "%s" failed',t);var r=new Error("probe error");r.transport=h.name,f.emit("upgradeError",r)}}))}function r(){p||(p=!0,u(),h.close(),h=null)}function o(e){var n=new Error("probe error: "+e);n.transport=h.name,r(),a('probe transport "%s" failed because of error: %s',t,e),f.emit("upgradeError",n)}function i(){o("transport closed")}function s(){o("socket closed")}function c(t){h&&t.name!==h.name&&(a('"%s" works - aborting "%s"',t.name,h.name),r())}function u(){h.removeListener("open",e),h.removeListener("error",o),h.removeListener("close",i),f.removeListener("close",s),f.removeListener("upgrading",c)}a('probing transport "%s"',t);var h=this.createTransport(t,{probe:1}),p=!1,f=this;n.priorWebsocketSuccess=!1,h.once("open",e),h.once("error",o),h.once("close",i),this.once("close",s),this.once("upgrading",c),h.open()},n.prototype.onOpen=function(){if(a("socket open"),this.readyState="open",n.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])}},n.prototype.onPacket=function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===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(p(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)},n.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))},n.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)},n.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)},n.prototype.ping=function(){var t=this;this.sendPacket("ping",function(){t.emit("ping")})},n.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emit("drain"):this.flush()},n.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"))},n.prototype.write=n.prototype.send=function(t,e,r){return this.sendPacket("message",t,e,r),this},n.prototype.sendPacket=function(t,e,r,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof r&&(n=r,r=null),"closing"!==this.readyState&&"closed"!==this.readyState){r=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()}},n.prototype.close=function(){function t(){n.onClose("forced close"),a("socket closing - telling transport to close"),n.transport.close()}function e(){n.removeListener("upgrade",e),n.removeListener("upgradeError",e),t()}function r(){n.once("upgrade",e),n.once("upgradeError",e)}if("opening"===this.readyState||"open"===this.readyState){this.readyState="closing";var n=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?r():t()}):this.upgrading?r():t()}return this},n.prototype.onError=function(t){a("socket error %j",t),n.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},n.prototype.onClose=function(t,e){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState){a('socket close with reason: "%s"',t);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",t,e),r.writeBuffer=[],r.prevBufferLen=0}},n.prototype.filterUpgrades=function(t){for(var e=[],r=0,n=t.length;r<n;r++)~c(this.transports,t[r])&&e.push(t[r]);return e}}).call(e,function(){return this}())},function(t,e,r){(function(t){function n(e){var r,n=!1,a=!1,c=!1!==e.jsonp;if(t.location){var u="https:"===location.protocol,h=location.port;h||(h=u?443:80),n=e.hostname!==location.hostname||h!==e.port,a=e.secure!==u}if(e.xdomain=n,e.xscheme=a,r=new o(e),"open"in r&&!e.forceJSONP)return new i(e);if(!c)throw new Error("JSONP disabled");return new s(e)}var o=r(22),i=r(24),s=r(39),a=r(40);e.polling=n,e.websocket=a}).call(e,function(){return this}())},function(t,e,r){(function(e){var n=r(23);t.exports=function(t){var r=t.xdomain,o=t.xscheme,i=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!r||n))return new XMLHttpRequest}catch(t){}try{if("undefined"!=typeof XDomainRequest&&!o&&i)return new XDomainRequest}catch(t){}if(!r)try{return new(e[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}}).call(e,function(){return this}())},function(t,e){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(e){t.exports=!1}},function(t,e,r){(function(e){function n(){}function o(t){if(c.call(this,t),this.requestTimeout=t.requestTimeout,e.location){var r="https:"===location.protocol,n=location.port;n||(n=r?443:80),this.xd=t.hostname!==e.location.hostname||n!==t.port,this.xs=t.secure!==r}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.requestTimeout=t.requestTimeout,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=r(22),c=r(25),u=r(35),h=r(37),p=r(3)("engine.io-client:polling-xhr");t.exports=o,t.exports.Request=i,h(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.requestTimeout=this.requestTimeout,t.extraHeaders=this.extraHeaders,new i(t)},o.prototype.doWrite=function(t,e){var r="string"!=typeof t&&void 0!==t,n=this.request({method:"POST",data:t,isBinary:r}),o=this;n.on("success",e),n.on("error",function(t){o.onError("xhr post error",t)}),this.sendXhr=n},o.prototype.doPoll=function(){p("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},u(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 r=this.xhr=new a(t),n=this;try{p("xhr open %s: %s",this.method,this.uri),r.open(this.method,this.uri,this.async);try{if(this.extraHeaders){r.setDisableHeaderCheck(!0);for(var o in this.extraHeaders)this.extraHeaders.hasOwnProperty(o)&&r.setRequestHeader(o,this.extraHeaders[o])}}catch(t){}if(this.supportsBinary&&(r.responseType="arraybuffer"),"POST"===this.method)try{this.isBinary?r.setRequestHeader("Content-type","application/octet-stream"):r.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{r.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in r&&(r.withCredentials=!0),this.requestTimeout&&(r.timeout=this.requestTimeout),this.hasXDR()?(r.onload=function(){n.onLoad()},r.onerror=function(){n.onError(r.responseText)}):r.onreadystatechange=function(){4===r.readyState&&(200===r.status||1223===r.status?n.onLoad():setTimeout(function(){n.onError(r.status)},0))},p("xhr data %s",this.data),r.send(this.data)}catch(t){return void setTimeout(function(){n.onError(t)},0)}e.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("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=n:this.xhr.onreadystatechange=n,t)try{this.xhr.abort()}catch(t){}e.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||this.xhr.responseText;else if(this.supportsBinary)try{t=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(e){for(var r=new Uint8Array(this.xhr.response),n=[],o=0,i=r.length;o<i;o++)n.push(r[o]);t=String.fromCharCode.apply(null,n)}else t=this.xhr.responseText}catch(t){this.onError(t)}null!=t&&this.onData(t)},i.prototype.hasXDR=function(){return"undefined"!=typeof e.XDomainRequest&&!this.xs&&this.enablesXDR},i.prototype.abort=function(){this.cleanup()},i.requestsCount=0,i.requests={},e.document&&(e.attachEvent?e.attachEvent("onunload",s):e.addEventListener&&e.addEventListener("beforeunload",s,!1))}).call(e,function(){return this}())},function(t,e,r){function n(t){var e=t&&t.forceBase64;h&&!e||(this.supportsBinary=!1),o.call(this,t)}var o=r(26),i=r(36),s=r(27),a=r(37),c=r(38),u=r(3)("engine.io-client:polling");t.exports=n;var h=function(){var t=r(22),e=new t({xdomain:!1});return null!=e.responseType}();a(n,o),n.prototype.name="polling",n.prototype.doOpen=function(){this.poll()},n.prototype.pause=function(t){function e(){u("paused"),r.readyState="paused",t()}var r=this;if(this.readyState="pausing",this.polling||!this.writable){var n=0;this.polling&&(u("we are currently polling - waiting to pause"),n++,this.once("pollComplete",function(){u("pre-pause polling complete"),--n||e()})),this.writable||(u("we are currently writing - waiting to pause"),n++,this.once("drain",function(){u("pre-pause writing complete"),--n||e()}))}else e()},n.prototype.poll=function(){u("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},n.prototype.onData=function(t){var e=this;u("polling got data %s",t);var r=function(t,r,n){return"opening"===e.readyState&&e.onOpen(),"close"===t.type?(e.onClose(),!1):void e.onPacket(t)};s.decodePayload(t,this.socket.binaryType,r),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState?this.poll():u('ignoring poll - transport state "%s"',this.readyState))},n.prototype.doClose=function(){function t(){u("writing close packet"),e.write([{type:"close"}])}var e=this;"open"===this.readyState?(u("transport open - closing"),t()):(u("transport not open - deferring close"),this.once("open",t))},n.prototype.write=function(t){var e=this;this.writable=!1;var r=function(){e.writable=!0,e.emit("drain")};s.encodePayload(t,this.supportsBinary,function(t){e.doWrite(t,r)})},n.prototype.uri=function(){var t=this.query||{},e=this.secure?"https":"http",r="";!1!==this.timestampRequests&&(t[this.timestampParam]=c()),this.supportsBinary||t.sid||(t.b64=1),t=i.encode(t),this.port&&("https"===e&&443!==Number(this.port)||"http"===e&&80!==Number(this.port))&&(r=":"+this.port),t.length&&(t="?"+t);var n=this.hostname.indexOf(":")!==-1;return e+"://"+(n?"["+this.hostname+"]":this.hostname)+r+this.path+t}},function(t,e,r){function n(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.forceNode=t.forceNode,this.extraHeaders=t.extraHeaders,this.localAddress=t.localAddress}var o=r(27),i=r(35);t.exports=n,i(n.prototype),n.prototype.onError=function(t,e){var r=new Error(t);return r.type="TransportError",r.description=e,this.emit("error",r),this},n.prototype.open=function(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this},n.prototype.close=function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this},n.prototype.send=function(t){if("open"!==this.readyState)throw new Error("Transport not open");this.write(t)},n.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},n.prototype.onData=function(t){var e=o.decodePacket(t,this.socket.binaryType);this.onPacket(e)},n.prototype.onPacket=function(t){this.emit("packet",t)},n.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},function(t,e,r){(function(t){function n(t,r){var n="b"+e.packets[t.type]+t.data.data;return r(n)}function o(t,r,n){if(!r)return e.encodeBase64Packet(t,n);var o=t.data,i=new Uint8Array(o),s=new Uint8Array(1+o.byteLength);s[0]=v[t.type];for(var a=0;a<i.length;a++)s[a+1]=i[a];return n(s.buffer)}function i(t,r,n){if(!r)return e.encodeBase64Packet(t,n);var o=new FileReader;return o.onload=function(){t.data=o.result,e.encodePacket(t,r,!0,n)},o.readAsArrayBuffer(t.data)}function s(t,r,n){if(!r)return e.encodeBase64Packet(t,n);if(m)return i(t,r,n);var o=new Uint8Array(1);o[0]=v[t.type];var s=new k([o.buffer,t.data]);return n(s)}function a(t){try{t=d.decode(t)}catch(t){return!1}return t}function c(t,e,r){for(var n=new Array(t.length),o=l(t.length,r),i=function(t,r,o){e(r,function(e,r){n[t]=r,o(e,n)})},s=0;s<t.length;s++)i(s,t[s],o)}var u,h=r(28),p=r(29),f=r(30),l=r(31),d=r(32);t&&t.ArrayBuffer&&(u=r(33));var y="undefined"!=typeof navigator&&/Android/i.test(navigator.userAgent),g="undefined"!=typeof navigator&&/PhantomJS/i.test(navigator.userAgent),m=y||g;e.protocol=3;var v=e.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6},b=h(v),w={type:"error",data:"parser error"},k=r(34);e.encodePacket=function(e,r,i,a){"function"==typeof r&&(a=r,r=!1),"function"==typeof i&&(a=i,i=null);var c=void 0===e.data?void 0:e.data.buffer||e.data;if(t.ArrayBuffer&&c instanceof ArrayBuffer)return o(e,r,a);if(k&&c instanceof t.Blob)return s(e,r,a);if(c&&c.base64)return n(e,a);var u=v[e.type];return void 0!==e.data&&(u+=i?d.encode(String(e.data)):String(e.data)),a(""+u)},e.encodeBase64Packet=function(r,n){var o="b"+e.packets[r.type];if(k&&r.data instanceof t.Blob){var i=new FileReader;return i.onload=function(){var t=i.result.split(",")[1];n(o+t)},i.readAsDataURL(r.data)}var s;try{s=String.fromCharCode.apply(null,new Uint8Array(r.data))}catch(t){for(var a=new Uint8Array(r.data),c=new Array(a.length),u=0;u<a.length;u++)c[u]=a[u];s=String.fromCharCode.apply(null,c)}return o+=t.btoa(s),n(o)},e.decodePacket=function(t,r,n){if(void 0===t)return w;if("string"==typeof t){if("b"==t.charAt(0))return e.decodeBase64Packet(t.substr(1),r);if(n&&(t=a(t),t===!1))return w;var o=t.charAt(0);return Number(o)==o&&b[o]?t.length>1?{type:b[o],data:t.substring(1)}:{type:b[o]}:w}var i=new Uint8Array(t),o=i[0],s=f(t,1);return k&&"blob"===r&&(s=new k([s])),{type:b[o],data:s}},e.decodeBase64Packet=function(t,e){var r=b[t.charAt(0)];if(!u)return{type:r,data:{base64:!0,data:t.substr(1)}};var n=u.decode(t.substr(1));return"blob"===e&&k&&(n=new k([n])),{type:r,data:n}},e.encodePayload=function(t,r,n){function o(t){return t.length+":"+t}function i(t,n){e.encodePacket(t,!!s&&r,!0,function(t){n(null,o(t))})}"function"==typeof r&&(n=r,r=null);var s=p(t);return r&&s?k&&!m?e.encodePayloadAsBlob(t,n):e.encodePayloadAsArrayBuffer(t,n):t.length?void c(t,i,function(t,e){return n(e.join(""))}):n("0:")},e.decodePayload=function(t,r,n){if("string"!=typeof t)return e.decodePayloadAsBinary(t,r,n);"function"==typeof r&&(n=r,r=null);var o;if(""==t)return n(w,0,1);for(var i,s,a="",c=0,u=t.length;c<u;c++){var h=t.charAt(c);if(":"!=h)a+=h;else{if(""==a||a!=(i=Number(a)))return n(w,0,1);if(s=t.substr(c+1,i),a!=s.length)return n(w,0,1);if(s.length){if(o=e.decodePacket(s,r,!0),w.type==o.type&&w.data==o.data)return n(w,0,1);var p=n(o,c+i,u);if(!1===p)return}c+=i,a=""}}return""!=a?n(w,0,1):void 0},e.encodePayloadAsArrayBuffer=function(t,r){function n(t,r){e.encodePacket(t,!0,!0,function(t){return r(null,t)})}return t.length?void c(t,n,function(t,e){var n=e.reduce(function(t,e){var r;return r="string"==typeof e?e.length:e.byteLength,t+r.toString().length+r+2},0),o=new Uint8Array(n),i=0;return e.forEach(function(t){var e="string"==typeof t,r=t;if(e){for(var n=new Uint8Array(t.length),s=0;s<t.length;s++)n[s]=t.charCodeAt(s);r=n.buffer}e?o[i++]=0:o[i++]=1;for(var a=r.byteLength.toString(),s=0;s<a.length;s++)o[i++]=parseInt(a[s]);o[i++]=255;for(var n=new Uint8Array(r),s=0;s<n.length;s++)o[i++]=n[s]}),r(o.buffer)}):r(new ArrayBuffer(0))},e.encodePayloadAsBlob=function(t,r){function n(t,r){e.encodePacket(t,!0,!0,function(t){var e=new Uint8Array(1);if(e[0]=1,"string"==typeof t){for(var n=new Uint8Array(t.length),o=0;o<t.length;o++)n[o]=t.charCodeAt(o);t=n.buffer,e[0]=0}for(var i=t instanceof ArrayBuffer?t.byteLength:t.size,s=i.toString(),a=new Uint8Array(s.length+1),o=0;o<s.length;o++)a[o]=parseInt(s[o]);if(a[s.length]=255,k){var c=new k([e.buffer,a.buffer,t]);r(null,c)}})}c(t,n,function(t,e){return r(new k(e))})},e.decodePayloadAsBinary=function(t,r,n){"function"==typeof r&&(n=r,r=null);for(var o=t,i=[],s=!1;o.byteLength>0;){for(var a=new Uint8Array(o),c=0===a[0],u="",h=1;255!=a[h];h++){if(u.length>310){s=!0;break}u+=a[h]}if(s)return n(w,0,1);o=f(o,2+u.length),u=parseInt(u);var p=f(o,0,u);if(c)try{p=String.fromCharCode.apply(null,new Uint8Array(p))}catch(t){var l=new Uint8Array(p);p="";for(var h=0;h<l.length;h++)p+=String.fromCharCode(l[h])}i.push(p),o=f(o,u)}var d=i.length;i.forEach(function(t,o){n(e.decodePacket(t,r,!0),o,d)})}}).call(e,function(){return this}())},function(t,e){t.exports=Object.keys||function(t){var e=[],r=Object.prototype.hasOwnProperty;for(var n in t)r.call(t,n)&&e.push(n);return e}},function(t,e,r){(function(e){function n(t){function r(t){if(!t)return!1;if(e.Buffer&&e.Buffer.isBuffer&&e.Buffer.isBuffer(t)||e.ArrayBuffer&&t instanceof ArrayBuffer||e.Blob&&t instanceof Blob||e.File&&t instanceof File)return!0;if(o(t)){for(var n=0;n<t.length;n++)if(r(t[n]))return!0}else if(t&&"object"==typeof t){t.toJSON&&"function"==typeof t.toJSON&&(t=t.toJSON());for(var i in t)if(Object.prototype.hasOwnProperty.call(t,i)&&r(t[i]))return!0}return!1}return r(t)}var o=r(15);t.exports=n}).call(e,function(){return this}())},function(t,e){t.exports=function(t,e,r){var n=t.byteLength;if(e=e||0,r=r||n,t.slice)return t.slice(e,r);if(e<0&&(e+=n),r<0&&(r+=n),r>n&&(r=n),e>=n||e>=r||0===n)return new ArrayBuffer(0);for(var o=new Uint8Array(t),i=new Uint8Array(r-e),s=e,a=0;s<r;s++,a++)i[a]=o[s];return i.buffer}},function(t,e){function r(t,e,r){function o(t,n){if(o.count<=0)throw new Error("after called too many times");--o.count,t?(i=!0,e(t),e=r):0!==o.count||i||e(null,n)}var i=!1;return r=r||n,o.count=t,0===t?e():o}function n(){}t.exports=r},function(t,e,r){var n;(function(t,o){!function(i){function s(t){for(var e,r,n=[],o=0,i=t.length;o<i;)e=t.charCodeAt(o++),e>=55296&&e<=56319&&o<i?(r=t.charCodeAt(o++),56320==(64512&r)?n.push(((1023&e)<<10)+(1023&r)+65536):(n.push(e),o--)):n.push(e);return n}function a(t){for(var e,r=t.length,n=-1,o="";++n<r;)e=t[n],e>65535&&(e-=65536,o+=b(e>>>10&1023|55296),e=56320|1023&e),o+=b(e);return o}function c(t,e){return b(t>>e&63|128)}function u(t){if(0==(4294967168&t))return b(t);var e="";return 0==(4294965248&t)?e=b(t>>6&31|192):0==(4294901760&t)?(e=b(t>>12&15|224),e+=c(t,6)):0==(4292870144&t)&&(e=b(t>>18&7|240),e+=c(t,12),e+=c(t,6)),e+=b(63&t|128)}function h(t){for(var e,r=s(t),n=r.length,o=-1,i="";++o<n;)e=r[o],i+=u(e);return i}function p(){if(v>=m)throw Error("Invalid byte index");var t=255&g[v];if(v++,128==(192&t))return 63&t;throw Error("Invalid continuation byte")}function f(){var t,e,r,n,o;if(v>m)throw Error("Invalid byte index");if(v==m)return!1;if(t=255&g[v],v++,0==(128&t))return t;if(192==(224&t)){var e=p();if(o=(31&t)<<6|e,o>=128)return o;throw Error("Invalid continuation byte")}if(224==(240&t)){if(e=p(),r=p(),o=(15&t)<<12|e<<6|r,o>=2048)return o;throw Error("Invalid continuation byte")}if(240==(248&t)&&(e=p(),r=p(),n=p(),o=(15&t)<<18|e<<12|r<<6|n,o>=65536&&o<=1114111))return o;throw Error("Invalid WTF-8 detected")}function l(t){g=s(t),m=g.length,v=0;for(var e,r=[];(e=f())!==!1;)r.push(e);return a(r)}var d="object"==typeof e&&e,y=("object"==typeof t&&t&&t.exports==d&&t,"object"==typeof o&&o);y.global!==y&&y.window!==y||(i=y);var g,m,v,b=String.fromCharCode,w={version:"1.0.0",encode:h,decode:l};n=function(){return w}.call(e,r,e,t),!(void 0!==n&&(t.exports=n))}(this)}).call(e,r(12)(t),function(){return this}())},function(t,e){!function(){"use strict";for(var t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",r=new Uint8Array(256),n=0;n<t.length;n++)r[t.charCodeAt(n)]=n;e.encode=function(e){var r,n=new Uint8Array(e),o=n.length,i="";for(r=0;r<o;r+=3)i+=t[n[r]>>2],i+=t[(3&n[r])<<4|n[r+1]>>4],i+=t[(15&n[r+1])<<2|n[r+2]>>6],i+=t[63&n[r+2]];return o%3===2?i=i.substring(0,i.length-1)+"=":o%3===1&&(i=i.substring(0,i.length-2)+"=="),i},e.decode=function(t){var e,n,o,i,s,a=.75*t.length,c=t.length,u=0;"="===t[t.length-1]&&(a--,"="===t[t.length-2]&&a--);var h=new ArrayBuffer(a),p=new Uint8Array(h);for(e=0;e<c;e+=4)n=r[t.charCodeAt(e)],o=r[t.charCodeAt(e+1)],i=r[t.charCodeAt(e+2)],s=r[t.charCodeAt(e+3)],p[u++]=n<<2|o>>4,p[u++]=(15&o)<<4|i>>2,p[u++]=(3&i)<<6|63&s;return h}}()},function(t,e){(function(e){function r(t){for(var e=0;e<t.length;e++){var r=t[e];if(r.buffer instanceof ArrayBuffer){var n=r.buffer;if(r.byteLength!==n.byteLength){var o=new Uint8Array(r.byteLength);o.set(new Uint8Array(n,r.byteOffset,r.byteLength)),n=o.buffer}t[e]=n}}}function n(t,e){e=e||{};var n=new i;r(t);for(var o=0;o<t.length;o++)n.append(t[o]);return e.type?n.getBlob(e.type):n.getBlob()}function o(t,e){return r(t),new Blob(t,e||{})}var i=e.BlobBuilder||e.WebKitBlobBuilder||e.MSBlobBuilder||e.MozBlobBuilder,s=function(){try{var t=new Blob(["hi"]);return 2===t.size}catch(t){return!1}}(),a=s&&function(){try{var t=new Blob([new Uint8Array([1,2])]);return 2===t.size}catch(t){return!1}}(),c=i&&i.prototype.append&&i.prototype.getBlob;t.exports=function(){return s?a?e.Blob:o:c?n:void 0}()}).call(e,function(){return this}())},function(t,e,r){function n(t){if(t)return o(t)}function o(t){for(var e in n.prototype)t[e]=n.prototype[e];return t}t.exports=n,n.prototype.on=n.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},n.prototype.once=function(t,e){function r(){this.off(t,r),e.apply(this,arguments)}return r.fn=e,this.on(t,r),this},n.prototype.off=n.prototype.removeListener=n.prototype.removeAllListeners=n.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var n,o=0;o<r.length;o++)if(n=r[o],n===e||n.fn===e){r.splice(o,1);break}return this},n.prototype.emit=function(t){this._callbacks=this._callbacks||{};var e=[].slice.call(arguments,1),r=this._callbacks["$"+t];if(r){r=r.slice(0);for(var n=0,o=r.length;n<o;++n)r[n].apply(this,e)}return this},n.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},n.prototype.hasListeners=function(t){return!!this.listeners(t).length}},function(t,e){e.encode=function(t){var e="";for(var r in t)t.hasOwnProperty(r)&&(e.length&&(e+="&"),e+=encodeURIComponent(r)+"="+encodeURIComponent(t[r]));return e},e.decode=function(t){for(var e={},r=t.split("&"),n=0,o=r.length;n<o;n++){var i=r[n].split("=");e[decodeURIComponent(i[0])]=decodeURIComponent(i[1])}return e}},function(t,e){t.exports=function(t,e){var r=function(){};r.prototype=e.prototype,t.prototype=new r,t.prototype.constructor=t}},function(t,e){"use strict";function r(t){var e="";do e=s[t%a]+e,t=Math.floor(t/a);while(t>0);return e}function n(t){var e=0;for(h=0;h<t.length;h++)e=e*a+c[t.charAt(h)];return e}function o(){var t=r(+new Date);return t!==i?(u=0,i=t):t+"."+r(u++)}for(var i,s="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),a=64,c={},u=0,h=0;h<a;h++)c[s[h]]=h;o.encode=r,o.decode=n,t.exports=o},function(t,e,r){(function(e){function n(){}function o(t){i.call(this,t),this.query=this.query||{},a||(e.___eio||(e.___eio=[]),a=e.___eio),this.index=a.length;var r=this;a.push(function(t){r.onData(t)}),this.query.j=this.index,e.document&&e.addEventListener&&e.addEventListener("beforeunload",function(){r.script&&(r.script.onerror=n)},!1)}var i=r(25),s=r(37);t.exports=o;var a,c=/\n/g,u=/\\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 r=document.getElementsByTagName("script")[0];r?r.parentNode.insertBefore(e,r):(document.head||document.body).appendChild(e),this.script=e;var n="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);n&&setTimeout(function(){var t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)},100)},o.prototype.doWrite=function(t,e){function r(){n(),e()}function n(){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"),i.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"),h=this.iframeId="eio_iframe_"+this.index;s.className="socketio",s.style.position="absolute",s.style.top="-1000px",s.style.left="-1000px",s.target=h,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(),n(),t=t.replace(u,"\\\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&&r();
}:this.iframe.onload=r}}).call(e,function(){return this}())},function(t,e,r){(function(e){function n(t){var e=t&&t.forceBase64;e&&(this.supportsBinary=!1),this.perMessageDeflate=t.perMessageDeflate,this.usingBrowserWebSocket=p&&!t.forceNode,this.usingBrowserWebSocket||(f=o),i.call(this,t)}var o,i=r(26),s=r(27),a=r(36),c=r(37),u=r(38),h=r(3)("engine.io-client:websocket"),p=e.WebSocket||e.MozWebSocket;if("undefined"==typeof window)try{o=r(41)}catch(t){}var f=p;f||"undefined"!=typeof window||(f=o),t.exports=n,c(n,i),n.prototype.name="websocket",n.prototype.supportsBinary=!0,n.prototype.doOpen=function(){if(this.check()){var t=this.uri(),e=void 0,r={agent:this.agent,perMessageDeflate:this.perMessageDeflate};r.pfx=this.pfx,r.key=this.key,r.passphrase=this.passphrase,r.cert=this.cert,r.ca=this.ca,r.ciphers=this.ciphers,r.rejectUnauthorized=this.rejectUnauthorized,this.extraHeaders&&(r.headers=this.extraHeaders),this.localAddress&&(r.localAddress=this.localAddress);try{this.ws=this.usingBrowserWebSocket?new f(t):new f(t,e,r)}catch(t){return this.emit("error",t)}void 0===this.ws.binaryType&&(this.supportsBinary=!1),this.ws.supports&&this.ws.supports.binary?(this.supportsBinary=!0,this.ws.binaryType="nodebuffer"):this.ws.binaryType="arraybuffer",this.addEventListeners()}},n.prototype.addEventListeners=function(){var t=this;this.ws.onopen=function(){t.onOpen()},this.ws.onclose=function(){t.onClose()},this.ws.onmessage=function(e){t.onData(e.data)},this.ws.onerror=function(e){t.onError("websocket error",e)}},n.prototype.write=function(t){function r(){n.emit("flush"),setTimeout(function(){n.writable=!0,n.emit("drain")},0)}var n=this;this.writable=!1;for(var o=t.length,i=0,a=o;i<a;i++)!function(t){s.encodePacket(t,n.supportsBinary,function(i){if(!n.usingBrowserWebSocket){var s={};if(t.options&&(s.compress=t.options.compress),n.perMessageDeflate){var a="string"==typeof i?e.Buffer.byteLength(i):i.length;a<n.perMessageDeflate.threshold&&(s.compress=!1)}}try{n.usingBrowserWebSocket?n.ws.send(i):n.ws.send(i,s)}catch(t){h("websocket closed before onclose event")}--o||r()})}(t[i])},n.prototype.onClose=function(){i.prototype.onClose.call(this)},n.prototype.doClose=function(){"undefined"!=typeof this.ws&&this.ws.close()},n.prototype.uri=function(){var t=this.query||{},e=this.secure?"wss":"ws",r="";this.port&&("wss"===e&&443!==Number(this.port)||"ws"===e&&80!==Number(this.port))&&(r=":"+this.port),this.timestampRequests&&(t[this.timestampParam]=u()),this.supportsBinary||(t.b64=1),t=a.encode(t),t.length&&(t="?"+t);var n=this.hostname.indexOf(":")!==-1;return e+"://"+(n?"["+this.hostname+"]":this.hostname)+r+this.path+t},n.prototype.check=function(){return!(!f||"__initialize"in f&&this.name===n.prototype.name)}}).call(e,function(){return this}())},function(t,e){},function(t,e){var r=[].indexOf;t.exports=function(t,e){if(r)return t.indexOf(e);for(var n=0;n<t.length;++n)if(t[n]===e)return n;return-1}},function(t,e){(function(e){var r=/^[\],:{}\s]*$/,n=/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,o=/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,i=/(?:^|:|,)(?:\s*\[)+/g,s=/^\s+/,a=/\s+$/;t.exports=function(t){return"string"==typeof t&&t?(t=t.replace(s,"").replace(a,""),e.JSON&&JSON.parse?JSON.parse(t):r.test(t.replace(n,"@").replace(o,"]").replace(i,""))?new Function("return "+t)():void 0):null}}).call(e,function(){return this}())},function(t,e,r){"use strict";function n(t,e,r){this.io=t,this.nsp=e,this.json=this,this.ids=0,this.acks={},this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0,r&&r.query&&(this.query=r.query),this.io.autoConnect&&this.open()}var o=r(7),i=r(35),s=r(45),a=r(46),c=r(47),u=r(3)("socket.io-client:socket"),h=r(29);t.exports=e=n;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},f=i.prototype.emit;i(n.prototype),n.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"))]}},n.prototype.open=n.prototype.connect=function(){return this.connected?this:(this.subEvents(),this.io.open(),"open"===this.io.readyState&&this.onopen(),this.emit("connecting"),this)},n.prototype.send=function(){var t=s(arguments);return t.unshift("message"),this.emit.apply(this,t),this},n.prototype.emit=function(t){if(p.hasOwnProperty(t))return f.apply(this,arguments),this;var e=s(arguments),r=o.EVENT;h(e)&&(r=o.BINARY_EVENT);var n={type:r,data:e};return n.options={},n.options.compress=!this.flags||!1!==this.flags.compress,"function"==typeof e[e.length-1]&&(u("emitting packet with ack id %d",this.ids),this.acks[this.ids]=e.pop(),n.id=this.ids++),this.connected?this.packet(n):this.sendBuffer.push(n),delete this.flags,this},n.prototype.packet=function(t){t.nsp=this.nsp,this.io.packet(t)},n.prototype.onopen=function(){u("transport is open - connecting"),"/"!==this.nsp&&(this.query?this.packet({type:o.CONNECT,query:this.query}):this.packet({type:o.CONNECT}))},n.prototype.onclose=function(t){u("close (%s)",t),this.connected=!1,this.disconnected=!0,delete this.id,this.emit("disconnect",t)},n.prototype.onpacket=function(t){if(t.nsp===this.nsp)switch(t.type){case o.CONNECT:this.onconnect();break;case o.EVENT:this.onevent(t);break;case o.BINARY_EVENT:this.onevent(t);break;case o.ACK:this.onack(t);break;case o.BINARY_ACK:this.onack(t);break;case o.DISCONNECT:this.ondisconnect();break;case o.ERROR:this.emit("error",t.data)}},n.prototype.onevent=function(t){var e=t.data||[];u("emitting event %j",e),null!=t.id&&(u("attaching ack callback to event"),e.push(this.ack(t.id))),this.connected?f.apply(this,e):this.receiveBuffer.push(e)},n.prototype.ack=function(t){var e=this,r=!1;return function(){if(!r){r=!0;var n=s(arguments);u("sending ack %j",n);var i=h(n)?o.BINARY_ACK:o.ACK;e.packet({type:i,id:t,data:n})}}},n.prototype.onack=function(t){var e=this.acks[t.id];"function"==typeof e?(u("calling ack %s with %j",t.id,t.data),e.apply(this,t.data),delete this.acks[t.id]):u("bad ack %s",t.id)},n.prototype.onconnect=function(){this.connected=!0,this.disconnected=!1,this.emit("connect"),this.emitBuffered()},n.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=[]},n.prototype.ondisconnect=function(){u("server disconnect (%s)",this.nsp),this.destroy(),this.onclose("io server disconnect")},n.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)},n.prototype.close=n.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},n.prototype.compress=function(t){return this.flags=this.flags||{},this.flags.compress=t,this}},function(t,e){function r(t,e){var r=[];e=e||0;for(var n=e||0;n<t.length;n++)r[n-e]=t[n];return r}t.exports=r},function(t,e){"use strict";function r(t,e,r){return t.on(e,r),{destroy:function(){t.removeListener(e,r)}}}t.exports=r},function(t,e){var r=[].slice;t.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)))}}},function(t,e){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}t.exports=r,r.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),r=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-r:t+r}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}}])});