diff options
Diffstat (limited to 'node_modules/socket.io-client')
| -rw-r--r-- | node_modules/socket.io-client/LICENSE | 22 | ||||
| -rw-r--r-- | node_modules/socket.io-client/README.md | 57 | ||||
| -rw-r--r-- | node_modules/socket.io-client/dist/socket.io.js | 3 | ||||
| -rw-r--r-- | node_modules/socket.io-client/dist/socket.io.js.map | 1 | ||||
| -rw-r--r-- | node_modules/socket.io-client/dist/socket.io.slim.js | 3 | ||||
| -rw-r--r-- | node_modules/socket.io-client/dist/socket.io.slim.js.map | 1 | ||||
| -rw-r--r-- | node_modules/socket.io-client/lib/index.js | 94 | ||||
| -rw-r--r-- | node_modules/socket.io-client/lib/manager.js | 573 | ||||
| -rw-r--r-- | node_modules/socket.io-client/lib/on.js | 24 | ||||
| -rw-r--r-- | node_modules/socket.io-client/lib/socket.js | 418 | ||||
| -rw-r--r-- | node_modules/socket.io-client/lib/url.js | 75 | ||||
| -rw-r--r-- | node_modules/socket.io-client/package.json | 154 |
12 files changed, 1425 insertions, 0 deletions
diff --git a/node_modules/socket.io-client/LICENSE b/node_modules/socket.io-client/LICENSE new file mode 100644 index 0000000..9338df1 --- /dev/null +++ b/node_modules/socket.io-client/LICENSE @@ -0,0 +1,22 @@ +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.
\ No newline at end of file diff --git a/node_modules/socket.io-client/README.md b/node_modules/socket.io-client/README.md new file mode 100644 index 0000000..d053f84 --- /dev/null +++ b/node_modules/socket.io-client/README.md @@ -0,0 +1,57 @@ + +# socket.io-client + +[](http://travis-ci.org/socketio/socket.io-client) +[](https://david-dm.org/socketio/socket.io-client) +[](https://david-dm.org/socketio/socket.io-client#info=devDependencies) + + +[](http://slack.socket.io) + +[](https://saucelabs.com/u/socket) + +## How to use + +A standalone build of `socket.io-client` is exposed automatically by the +socket.io server as `/socket.io/socket.io.js`. Alternatively you can +serve the file `socket.io.js` found in the `dist` folder. + +```html +<script src="/socket.io/socket.io.js"></script> +<script> + var socket = io('http://localhost'); + socket.on('connect', function(){}); + socket.on('event', function(data){}); + socket.on('disconnect', function(){}); +</script> +``` + +```js +// with ES6 import +import io from 'socket.io-client'; + +const socket = io('http://localhost'); +``` + +A slim build (without `JSON3`, a JSON polyfill for IE6/IE7, and `debug`) is also available: `socket.io.slim.js`. + +Socket.IO is compatible with [browserify](http://browserify.org/) and [webpack](https://webpack.js.org/) (see example [there](https://github.com/socketio/socket.io/tree/2.0.3/examples/webpack-build)). + +### Node.JS (server-side usage) + + Add `socket.io-client` to your `package.json` and then: + + ```js + var socket = require('socket.io-client')('http://localhost'); + socket.on('connect', function(){}); + socket.on('event', function(data){}); + socket.on('disconnect', function(){}); + ``` + +## API + +See [API](/docs/API.md) + +## License + +[MIT](/LICENSE) diff --git a/node_modules/socket.io-client/dist/socket.io.js b/node_modules/socket.io-client/dist/socket.io.js new file mode 100644 index 0000000..b074d2b --- /dev/null +++ b/node_modules/socket.io-client/dist/socket.io.js @@ -0,0 +1,3 @@ +!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(r){if(n[r])return n[r].exports;var o=n[r]={exports:{},id:r,loaded:!1};return t[r].call(o.exports,o,o.exports,e),o.loaded=!0,o.exports}var n={};return e.m=t,e.c=n,e.p="",e(0)}([function(t,e,n){"use strict";function r(t,e){"object"===("undefined"==typeof t?"undefined":o(t))&&(e=t,t=void 0),e=e||{};var n,r=i(t),s=r.source,u=r.id,h=r.path,f=p[u]&&h in p[u].nsps,l=e.forceNew||e["force new 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n.Decoder,this.autoConnect=e.autoConnect!==!1,this.autoConnect&&this.open()}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=n(14),s=n(37),a=n(8),c=n(7),p=n(39),u=n(40),h=n(3)("socket.io-client:manager"),f=n(36),l=n(41),d=Object.prototype.hasOwnProperty;t.exports=r,r.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)},r.prototype.updateSocketIds=function(){for(var t in this.nsps)d.call(this.nsps,t)&&(this.nsps[t].id=this.generateId(t))},r.prototype.generateId=function(t){return("/"===t?"":t+"#")+this.engine.id},a(r.prototype),r.prototype.reconnection=function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection},r.prototype.reconnectionAttempts=function(t){return 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%s",this.uri),this.engine=i(this.uri,this.opts);var n=this.engine,r=this;this.readyState="opening",this.skipReconnect=!1;var o=p(n,"open",function(){r.onopen(),t&&t()}),s=p(n,"error",function(e){if(h("connect_error"),r.cleanup(),r.readyState="closed",r.emitAll("connect_error",e),t){var n=new Error("Connection error");n.data=e,t(n)}else r.maybeReconnectOnOpen()});if(!1!==this._timeout){var a=this._timeout;h("connect attempt will timeout after %d",a);var c=setTimeout(function(){h("connect attempt timed out after %d",a),o.destroy(),n.close(),n.emit("error","timeout"),r.emitAll("connect_timeout",a)},a);this.subs.push({destroy:function(){clearTimeout(c)}})}return this.subs.push(o),this.subs.push(s),this},r.prototype.onopen=function(){h("open"),this.cleanup(),this.readyState="open",this.emit("open");var t=this.engine;this.subs.push(p(t,"data",u(this,"ondata"))),this.subs.push(p(t,"ping",u(this,"onping"))),this.subs.push(p(t,"pong",u(this,"onpong"))),this.subs.push(p(t,"error",u(this,"onerror"))),this.subs.push(p(t,"close",u(this,"onclose"))),this.subs.push(p(this.decoder,"decoded",u(this,"ondecoded")))},r.prototype.onping=function(){this.lastPing=new Date,this.emitAll("ping")},r.prototype.onpong=function(){this.emitAll("pong",new Date-this.lastPing)},r.prototype.ondata=function(t){this.decoder.add(t)},r.prototype.ondecoded=function(t){this.emit("packet",t)},r.prototype.onerror=function(t){h("error",t),this.emitAll("error",t)},r.prototype.socket=function(t,e){function n(){~f(o.connecting,r)||o.connecting.push(r)}var r=this.nsps[t];if(!r){r=new s(this,t,e),this.nsps[t]=r;var o=this;r.on("connecting",n),r.on("connect",function(){r.id=o.generateId(t)}),this.autoConnect&&n()}return r},r.prototype.destroy=function(t){var e=f(this.connecting,t);~e&&this.connecting.splice(e,1),this.connecting.length||this.close()},r.prototype.packet=function(t){h("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(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(){h("cleanup");for(var t=this.subs.length,e=0;e<t;e++){var n=this.subs.shift();n.destroy()}this.packetBuffer=[],this.encoding=!1,this.lastPing=null,this.decoder.destroy()},r.prototype.close=r.prototype.disconnect=function(){h("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){h("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)h("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var e=this.backoff.duration();h("will wait %dms before reconnect attempt",e),this.reconnecting=!0;var n=setTimeout(function(){t.skipReconnect||(h("attempting reconnect"),t.emitAll("reconnect_attempt",t.backoff.attempts),t.emitAll("reconnecting",t.backoff.attempts),t.skipReconnect||t.open(function(e){e?(h("reconnect attempt error"),t.reconnecting=!1,t.reconnect(),t.emitAll("reconnect_error",e.data)):(h("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)}},function(t,e,n){t.exports=n(15),t.exports.parser=n(22)},function(t,e,n){(function(e){function r(t,n){if(!(this instanceof r))return new r(t,n);n=n||{},t&&"object"==typeof t&&(n=t,t=null),t?(t=u(t),n.hostname=t.host,n.secure="https"===t.protocol||"wss"===t.protocol,n.port=t.port,t.query&&(n.query=t.query)):n.host&&(n.hostname=u(n.host).host),this.secure=null!=n.secure?n.secure:e.location&&"https:"===location.protocol,n.hostname&&!n.port&&(n.port=this.secure?"443":"80"),this.agent=n.agent||!1,this.hostname=n.hostname||(e.location?location.hostname:"localhost"),this.port=n.port||(e.location&&location.port?location.port:this.secure?443:80),this.query=n.query||{},"string"==typeof this.query&&(this.query=h.decode(this.query)),this.upgrade=!1!==n.upgrade,this.path=(n.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!n.forceJSONP,this.jsonp=!1!==n.jsonp,this.forceBase64=!!n.forceBase64,this.enablesXDR=!!n.enablesXDR,this.timestampParam=n.timestampParam||"t",this.timestampRequests=n.timestampRequests,this.transports=n.transports||["polling","websocket"],this.transportOptions=n.transportOptions||{},this.readyState="",this.writeBuffer=[],this.prevBufferLen=0,this.policyPort=n.policyPort||843,this.rememberUpgrade=n.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=n.onlyBinaryUpgrades,this.perMessageDeflate=!1!==n.perMessageDeflate&&(n.perMessageDeflate||{}),!0===this.perMessageDeflate&&(this.perMessageDeflate={}),this.perMessageDeflate&&null==this.perMessageDeflate.threshold&&(this.perMessageDeflate.threshold=1024),this.pfx=n.pfx||null,this.key=n.key||null,this.passphrase=n.passphrase||null,this.cert=n.cert||null,this.ca=n.ca||null,this.ciphers=n.ciphers||null,this.rejectUnauthorized=void 0===n.rejectUnauthorized||n.rejectUnauthorized,this.forceNode=!!n.forceNode;var o="object"==typeof e&&e;o.global===o&&(n.extraHeaders&&Object.keys(n.extraHeaders).length>0&&(this.extraHeaders=n.extraHeaders),n.localAddress&&(this.localAddress=n.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 n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}var i=n(16),s=n(8),a=n(3)("engine.io-client:socket"),c=n(36),p=n(22),u=n(2),h=n(30);t.exports=r,r.priorWebsocketSuccess=!1,s(r.prototype),r.protocol=p.protocol,r.Socket=r,r.Transport=n(21),r.transports=n(16),r.parser=n(22),r.prototype.createTransport=function(t){a('creating transport "%s"',t);var e=o(this.query);e.EIO=p.protocol,e.transport=t;var n=this.transportOptions[t]||{};this.id&&(e.sid=this.id);var r=new i[t]({query:e,socket:this,agent:n.agent||this.agent,hostname:n.hostname||this.hostname,port:n.port||this.port,secure:n.secure||this.secure,path:n.path||this.path,forceJSONP:n.forceJSONP||this.forceJSONP,jsonp:n.jsonp||this.jsonp,forceBase64:n.forceBase64||this.forceBase64,enablesXDR:n.enablesXDR||this.enablesXDR,timestampRequests:n.timestampRequests||this.timestampRequests,timestampParam:n.timestampParam||this.timestampParam,policyPort:n.policyPort||this.policyPort,pfx:n.pfx||this.pfx,key:n.key||this.key,passphrase:n.passphrase||this.passphrase,cert:n.cert||this.cert,ca:n.ca||this.ca,ciphers:n.ciphers||this.ciphers,rejectUnauthorized:n.rejectUnauthorized||this.rejectUnauthorized,perMessageDeflate:n.perMessageDeflate||this.perMessageDeflate,extraHeaders:n.extraHeaders||this.extraHeaders,forceNode:n.forceNode||this.forceNode,localAddress:n.localAddress||this.localAddress,requestTimeout:n.requestTimeout||this.requestTimeout,protocols:n.protocols||void 0});return r},r.prototype.open=function(){var t;if(this.rememberUpgrade&&r.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(n){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||"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(JSON.parse(t.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}else 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||{},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(e,function(){return this}())},function(t,e,n){(function(t){function r(e){var n,r=!1,a=!1,c=!1!==e.jsonp;if(t.location){var p="https:"===location.protocol,u=location.port;u||(u=p?443:80),r=e.hostname!==location.hostname||u!==e.port,a=e.secure!==p}if(e.xdomain=r,e.xscheme=a,n=new o(e),"open"in n&&!e.forceJSONP)return new i(e);if(!c)throw new Error("JSONP disabled");return new s(e)}var o=n(17),i=n(19),s=n(33),a=n(34);e.polling=r,e.websocket=a}).call(e,function(){return this}())},function(t,e,n){(function(e){var r=n(18);t.exports=function(t){var n=t.xdomain,o=t.xscheme,i=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!n||r))return new XMLHttpRequest}catch(s){}try{if("undefined"!=typeof XDomainRequest&&!o&&i)return new XDomainRequest}catch(s){}if(!n)try{return new(e[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP"); +}catch(s){}}}).call(e,function(){return this}())},function(t,e){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(n){t.exports=!1}},function(t,e,n){(function(e){function r(){}function o(t){if(c.call(this,t),this.requestTimeout=t.requestTimeout,this.extraHeaders=t.extraHeaders,e.location){var n="https:"===location.protocol,r=location.port;r||(r=n?443:80),this.xd=t.hostname!==e.location.hostname||r!==t.port,this.xs=t.secure!==n}}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=n(17),c=n(20),p=n(8),u=n(31),h=n(3)("engine.io-client:polling-xhr");t.exports=o,t.exports.Request=i,u(o,c),o.prototype.supportsBinary=!0,o.prototype.request=function(t){return 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'undefined' : _typeof(uri)) === 'object') {\n\t opts = uri;\n\t uri = undefined;\n\t }\n\t\n\t opts = opts || {};\n\t\n\t var parsed = url(uri);\n\t var source = parsed.source;\n\t var id = parsed.id;\n\t var path = parsed.path;\n\t var sameNamespace = cache[id] && path in cache[id].nsps;\n\t var newConnection = opts.forceNew || opts['force new connection'] || false === opts.multiplex || sameNamespace;\n\t\n\t var io;\n\t\n\t if (newConnection) {\n\t debug('ignoring socket cache for %s', source);\n\t io = Manager(source, opts);\n\t } else {\n\t if (!cache[id]) {\n\t debug('new io instance for %s', source);\n\t cache[id] = Manager(source, opts);\n\t }\n\t io = cache[id];\n\t }\n\t if (parsed.query && !opts.query) {\n\t opts.query = parsed.query;\n\t }\n\t return io.socket(parsed.path, opts);\n\t}\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\texports.protocol = parser.protocol;\n\t\n\t/**\n\t * `connect`.\n\t *\n\t * @param {String} uri\n\t * @api public\n\t */\n\t\n\texports.connect = lookup;\n\t\n\t/**\n\t * Expose constructors for standalone build.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Manager = __webpack_require__(13);\n\texports.Socket = __webpack_require__(37);\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {'use strict';\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parseuri = __webpack_require__(2);\n\tvar debug = __webpack_require__(3)('socket.io-client:url');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = url;\n\t\n\t/**\n\t * URL parser.\n\t *\n\t * @param {String} url\n\t * @param {Object} An object meant to mimic window.location.\n\t * Defaults to window.location.\n\t * @api public\n\t */\n\t\n\tfunction url(uri, loc) {\n\t var obj = uri;\n\t\n\t // default to window.location\n\t loc = loc || global.location;\n\t if (null == uri) uri = loc.protocol + '//' + loc.host;\n\t\n\t // relative path support\n\t if ('string' === typeof uri) {\n\t if ('/' === uri.charAt(0)) {\n\t if ('/' === uri.charAt(1)) {\n\t uri = loc.protocol + uri;\n\t } else {\n\t uri = loc.host + uri;\n\t }\n\t }\n\t\n\t if (!/^(https?|wss?):\\/\\//.test(uri)) {\n\t debug('protocol-less url %s', uri);\n\t if ('undefined' !== typeof loc) {\n\t uri = loc.protocol + '//' + uri;\n\t } else {\n\t uri = 'https://' + uri;\n\t }\n\t }\n\t\n\t // parse\n\t debug('parse %s', uri);\n\t obj = parseuri(uri);\n\t }\n\t\n\t // make sure we treat `localhost:80` and `localhost` equally\n\t if (!obj.port) {\n\t if (/^(http|ws)$/.test(obj.protocol)) {\n\t obj.port = '80';\n\t } else if (/^(http|ws)s$/.test(obj.protocol)) {\n\t obj.port = '443';\n\t }\n\t }\n\t\n\t obj.path = obj.path || '/';\n\t\n\t var ipv6 = obj.host.indexOf(':') !== -1;\n\t var host = ipv6 ? '[' + obj.host + ']' : obj.host;\n\t\n\t // define unique id\n\t obj.id = obj.protocol + '://' + host + ':' + obj.port;\n\t // define href\n\t obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : ':' + obj.port);\n\t\n\t return obj;\n\t}\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports) {\n\n\t/**\r\n\t * Parses an URI\r\n\t *\r\n\t * @author Steven Levithan <stevenlevithan.com> (MIT license)\r\n\t * @api private\r\n\t */\r\n\t\r\n\tvar re = /^(?:(?![^:@]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\r\n\t\r\n\tvar parts = [\r\n\t 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\r\n\t];\r\n\t\r\n\tmodule.exports = function parseuri(str) {\r\n\t var src = str,\r\n\t b = str.indexOf('['),\r\n\t e = str.indexOf(']');\r\n\t\r\n\t if (b != -1 && e != -1) {\r\n\t str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\r\n\t }\r\n\t\r\n\t var m = re.exec(str || ''),\r\n\t uri = {},\r\n\t i = 14;\r\n\t\r\n\t while (i--) {\r\n\t uri[parts[i]] = m[i] || '';\r\n\t }\r\n\t\r\n\t if (b != -1 && e != -1) {\r\n\t uri.source = src;\r\n\t uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\r\n\t uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\r\n\t uri.ipv6uri = true;\r\n\t }\r\n\t\r\n\t return uri;\r\n\t};\r\n\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(process) {/**\n\t * This is the web browser implementation of `debug()`.\n\t *\n\t * Expose `debug()` as the module.\n\t */\n\t\n\texports = module.exports = __webpack_require__(5);\n\texports.log = log;\n\texports.formatArgs = formatArgs;\n\texports.save = save;\n\texports.load = load;\n\texports.useColors = useColors;\n\texports.storage = 'undefined' != typeof chrome\n\t && 'undefined' != typeof chrome.storage\n\t ? chrome.storage.local\n\t : localstorage();\n\t\n\t/**\n\t * Colors.\n\t */\n\t\n\texports.colors = [\n\t 'lightseagreen',\n\t 'forestgreen',\n\t 'goldenrod',\n\t 'dodgerblue',\n\t 'darkorchid',\n\t 'crimson'\n\t];\n\t\n\t/**\n\t * Currently only WebKit-based Web Inspectors, Firefox >= v31,\n\t * and the Firebug extension (any Firefox version) are known\n\t * to support \"%c\" CSS customizations.\n\t *\n\t * TODO: add a `localStorage` variable to explicitly enable/disable colors\n\t */\n\t\n\tfunction useColors() {\n\t // NB: In an Electron preload script, document will be defined but not fully\n\t // initialized. Since we know we're in Chrome, we'll just detect this case\n\t // explicitly\n\t if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {\n\t return true;\n\t }\n\t\n\t // is webkit? http://stackoverflow.com/a/16459606/376773\n\t // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632\n\t return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||\n\t // is firebug? http://stackoverflow.com/a/398120/376773\n\t (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||\n\t // is firefox >= v31?\n\t // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages\n\t (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\\/(\\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||\n\t // double check webkit in userAgent just in case we are in a worker\n\t (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\\/(\\d+)/));\n\t}\n\t\n\t/**\n\t * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.\n\t */\n\t\n\texports.formatters.j = function(v) {\n\t try {\n\t return JSON.stringify(v);\n\t } catch (err) {\n\t return '[UnexpectedJSONParseError]: ' + err.message;\n\t }\n\t};\n\t\n\t\n\t/**\n\t * Colorize log arguments if enabled.\n\t *\n\t * @api public\n\t */\n\t\n\tfunction formatArgs(args) {\n\t var useColors = this.useColors;\n\t\n\t args[0] = (useColors ? '%c' : '')\n\t + this.namespace\n\t + (useColors ? ' %c' : ' ')\n\t + args[0]\n\t + (useColors ? '%c ' : ' ')\n\t + '+' + exports.humanize(this.diff);\n\t\n\t if (!useColors) return;\n\t\n\t var c = 'color: ' + this.color;\n\t args.splice(1, 0, c, 'color: inherit')\n\t\n\t // the final \"%c\" is somewhat tricky, because there could be other\n\t // arguments passed either before or after the %c, so we need to\n\t // figure out the correct index to insert the CSS into\n\t var index = 0;\n\t var lastC = 0;\n\t args[0].replace(/%[a-zA-Z%]/g, function(match) {\n\t if ('%%' === match) return;\n\t index++;\n\t if ('%c' === match) {\n\t // we only are interested in the *last* %c\n\t // (the user may have provided their own)\n\t lastC = index;\n\t }\n\t });\n\t\n\t args.splice(lastC, 0, c);\n\t}\n\t\n\t/**\n\t * Invokes `console.log()` when available.\n\t * No-op when `console.log` is not a \"function\".\n\t *\n\t * @api public\n\t */\n\t\n\tfunction log() {\n\t // this hackery is required for IE8/9, where\n\t // the `console.log` function doesn't have 'apply'\n\t return 'object' === typeof console\n\t && console.log\n\t && Function.prototype.apply.call(console.log, console, arguments);\n\t}\n\t\n\t/**\n\t * Save `namespaces`.\n\t *\n\t * @param {String} namespaces\n\t * @api private\n\t */\n\t\n\tfunction save(namespaces) {\n\t try {\n\t if (null == namespaces) {\n\t exports.storage.removeItem('debug');\n\t } else {\n\t exports.storage.debug = namespaces;\n\t }\n\t } catch(e) {}\n\t}\n\t\n\t/**\n\t * Load `namespaces`.\n\t *\n\t * @return {String} returns the previously persisted debug modes\n\t * @api private\n\t */\n\t\n\tfunction load() {\n\t var r;\n\t try {\n\t r = exports.storage.debug;\n\t } catch(e) {}\n\t\n\t // If debug isn't set in LS, and we're in Electron, try to load $DEBUG\n\t if (!r && typeof process !== 'undefined' && 'env' in process) {\n\t r = process.env.DEBUG;\n\t }\n\t\n\t return r;\n\t}\n\t\n\t/**\n\t * Enable namespaces listed in `localStorage.debug` initially.\n\t */\n\t\n\texports.enable(load());\n\t\n\t/**\n\t * Localstorage attempts to return the localstorage.\n\t *\n\t * This is necessary because safari throws\n\t * when a user disables cookies/localstorage\n\t * and you attempt to access it.\n\t *\n\t * @return {LocalStorage}\n\t * @api private\n\t */\n\t\n\tfunction localstorage() {\n\t try {\n\t return window.localStorage;\n\t } catch (e) {}\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(4)))\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports) {\n\n\t// shim for using process in browser\n\tvar process = module.exports = {};\n\t\n\t// cached from whatever global is present so that test runners that stub it\n\t// don't break things. But we need to wrap it in a try catch in case it is\n\t// wrapped in strict mode code which doesn't define any globals. It's inside a\n\t// function because try/catches deoptimize in certain engines.\n\t\n\tvar cachedSetTimeout;\n\tvar cachedClearTimeout;\n\t\n\tfunction defaultSetTimout() {\n\t throw new Error('setTimeout has not been defined');\n\t}\n\tfunction defaultClearTimeout () {\n\t throw new Error('clearTimeout has not been defined');\n\t}\n\t(function () {\n\t try {\n\t if (typeof setTimeout === 'function') {\n\t cachedSetTimeout = setTimeout;\n\t } else {\n\t cachedSetTimeout = defaultSetTimout;\n\t }\n\t } catch (e) {\n\t cachedSetTimeout = defaultSetTimout;\n\t }\n\t try {\n\t if (typeof clearTimeout === 'function') {\n\t cachedClearTimeout = clearTimeout;\n\t } else {\n\t cachedClearTimeout = defaultClearTimeout;\n\t }\n\t } catch (e) {\n\t cachedClearTimeout = defaultClearTimeout;\n\t }\n\t} ())\n\tfunction runTimeout(fun) {\n\t if (cachedSetTimeout === setTimeout) {\n\t //normal enviroments in sane situations\n\t return setTimeout(fun, 0);\n\t }\n\t // if setTimeout wasn't available but was latter defined\n\t if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n\t cachedSetTimeout = setTimeout;\n\t return setTimeout(fun, 0);\n\t }\n\t try {\n\t // when when somebody has screwed with setTimeout but no I.E. maddness\n\t return cachedSetTimeout(fun, 0);\n\t } catch(e){\n\t try {\n\t // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n\t return cachedSetTimeout.call(null, fun, 0);\n\t } catch(e){\n\t // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n\t return cachedSetTimeout.call(this, fun, 0);\n\t }\n\t }\n\t\n\t\n\t}\n\tfunction runClearTimeout(marker) {\n\t if (cachedClearTimeout === clearTimeout) {\n\t //normal enviroments in sane situations\n\t return clearTimeout(marker);\n\t }\n\t // if clearTimeout wasn't available but was latter defined\n\t if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n\t cachedClearTimeout = clearTimeout;\n\t return clearTimeout(marker);\n\t }\n\t try {\n\t // when when somebody has screwed with setTimeout but no I.E. maddness\n\t return cachedClearTimeout(marker);\n\t } catch (e){\n\t try {\n\t // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n\t return cachedClearTimeout.call(null, marker);\n\t } catch (e){\n\t // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n\t // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n\t return cachedClearTimeout.call(this, marker);\n\t }\n\t }\n\t\n\t\n\t\n\t}\n\tvar queue = [];\n\tvar draining = false;\n\tvar currentQueue;\n\tvar queueIndex = -1;\n\t\n\tfunction cleanUpNextTick() {\n\t if (!draining || !currentQueue) {\n\t return;\n\t }\n\t draining = false;\n\t if (currentQueue.length) {\n\t queue = currentQueue.concat(queue);\n\t } else {\n\t queueIndex = -1;\n\t }\n\t if (queue.length) {\n\t drainQueue();\n\t }\n\t}\n\t\n\tfunction drainQueue() {\n\t if (draining) {\n\t return;\n\t }\n\t var timeout = runTimeout(cleanUpNextTick);\n\t draining = true;\n\t\n\t var len = queue.length;\n\t while(len) {\n\t currentQueue = queue;\n\t queue = [];\n\t while (++queueIndex < len) {\n\t if (currentQueue) {\n\t currentQueue[queueIndex].run();\n\t }\n\t }\n\t queueIndex = -1;\n\t len = queue.length;\n\t }\n\t currentQueue = null;\n\t draining = false;\n\t runClearTimeout(timeout);\n\t}\n\t\n\tprocess.nextTick = function (fun) {\n\t var args = new Array(arguments.length - 1);\n\t if (arguments.length > 1) {\n\t for (var i = 1; i < arguments.length; i++) {\n\t args[i - 1] = arguments[i];\n\t }\n\t }\n\t queue.push(new Item(fun, args));\n\t if (queue.length === 1 && !draining) {\n\t runTimeout(drainQueue);\n\t }\n\t};\n\t\n\t// v8 likes predictible objects\n\tfunction Item(fun, array) {\n\t this.fun = fun;\n\t this.array = array;\n\t}\n\tItem.prototype.run = function () {\n\t this.fun.apply(null, this.array);\n\t};\n\tprocess.title = 'browser';\n\tprocess.browser = true;\n\tprocess.env = {};\n\tprocess.argv = [];\n\tprocess.version = ''; // empty string to avoid regexp issues\n\tprocess.versions = {};\n\t\n\tfunction noop() {}\n\t\n\tprocess.on = noop;\n\tprocess.addListener = noop;\n\tprocess.once = noop;\n\tprocess.off = noop;\n\tprocess.removeListener = noop;\n\tprocess.removeAllListeners = noop;\n\tprocess.emit = noop;\n\tprocess.prependListener = noop;\n\tprocess.prependOnceListener = noop;\n\t\n\tprocess.listeners = function (name) { return [] }\n\t\n\tprocess.binding = function (name) {\n\t throw new Error('process.binding is not supported');\n\t};\n\t\n\tprocess.cwd = function () { return '/' };\n\tprocess.chdir = function (dir) {\n\t throw new Error('process.chdir is not supported');\n\t};\n\tprocess.umask = function() { return 0; };\n\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\n\t/**\n\t * This is the common logic for both the Node.js and web browser\n\t * implementations of `debug()`.\n\t *\n\t * Expose `debug()` as the module.\n\t */\n\t\n\texports = module.exports = createDebug.debug = createDebug['default'] = createDebug;\n\texports.coerce = coerce;\n\texports.disable = disable;\n\texports.enable = enable;\n\texports.enabled = enabled;\n\texports.humanize = __webpack_require__(6);\n\t\n\t/**\n\t * The currently active debug mode names, and names to skip.\n\t */\n\t\n\texports.names = [];\n\texports.skips = [];\n\t\n\t/**\n\t * Map of special \"%n\" handling functions, for the debug \"format\" argument.\n\t *\n\t * Valid key names are a single, lower or upper-case letter, i.e. \"n\" and \"N\".\n\t */\n\t\n\texports.formatters = {};\n\t\n\t/**\n\t * Previous log timestamp.\n\t */\n\t\n\tvar prevTime;\n\t\n\t/**\n\t * Select a color.\n\t * @param {String} namespace\n\t * @return {Number}\n\t * @api private\n\t */\n\t\n\tfunction selectColor(namespace) {\n\t var hash = 0, i;\n\t\n\t for (i in namespace) {\n\t hash = ((hash << 5) - hash) + namespace.charCodeAt(i);\n\t hash |= 0; // Convert to 32bit integer\n\t }\n\t\n\t return exports.colors[Math.abs(hash) % exports.colors.length];\n\t}\n\t\n\t/**\n\t * Create a debugger with the given `namespace`.\n\t *\n\t * @param {String} namespace\n\t * @return {Function}\n\t * @api public\n\t */\n\t\n\tfunction createDebug(namespace) {\n\t\n\t function debug() {\n\t // disabled?\n\t if (!debug.enabled) return;\n\t\n\t var self = debug;\n\t\n\t // set `diff` timestamp\n\t var curr = +new Date();\n\t var ms = curr - (prevTime || curr);\n\t self.diff = ms;\n\t self.prev = prevTime;\n\t self.curr = curr;\n\t prevTime = curr;\n\t\n\t // turn the `arguments` into a proper Array\n\t var args = new Array(arguments.length);\n\t for (var i = 0; i < args.length; i++) {\n\t args[i] = arguments[i];\n\t }\n\t\n\t args[0] = exports.coerce(args[0]);\n\t\n\t if ('string' !== typeof args[0]) {\n\t // anything else let's inspect with %O\n\t args.unshift('%O');\n\t }\n\t\n\t // apply any `formatters` transformations\n\t var index = 0;\n\t args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {\n\t // if we encounter an escaped % then don't increase the array index\n\t if (match === '%%') return match;\n\t index++;\n\t var formatter = exports.formatters[format];\n\t if ('function' === typeof formatter) {\n\t var val = args[index];\n\t match = formatter.call(self, val);\n\t\n\t // now we need to remove `args[index]` since it's inlined in the `format`\n\t args.splice(index, 1);\n\t index--;\n\t }\n\t return match;\n\t });\n\t\n\t // apply env-specific formatting (colors, etc.)\n\t exports.formatArgs.call(self, args);\n\t\n\t var logFn = debug.log || exports.log || console.log.bind(console);\n\t logFn.apply(self, args);\n\t }\n\t\n\t debug.namespace = namespace;\n\t debug.enabled = exports.enabled(namespace);\n\t debug.useColors = exports.useColors();\n\t debug.color = selectColor(namespace);\n\t\n\t // env-specific initialization logic for debug instances\n\t if ('function' === typeof exports.init) {\n\t exports.init(debug);\n\t }\n\t\n\t return debug;\n\t}\n\t\n\t/**\n\t * Enables a debug mode by namespaces. This can include modes\n\t * separated by a colon and wildcards.\n\t *\n\t * @param {String} namespaces\n\t * @api public\n\t */\n\t\n\tfunction enable(namespaces) {\n\t exports.save(namespaces);\n\t\n\t exports.names = [];\n\t exports.skips = [];\n\t\n\t var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\\s,]+/);\n\t var len = split.length;\n\t\n\t for (var i = 0; i < len; i++) {\n\t if (!split[i]) continue; // ignore empty strings\n\t namespaces = split[i].replace(/\\*/g, '.*?');\n\t if (namespaces[0] === '-') {\n\t exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));\n\t } else {\n\t exports.names.push(new RegExp('^' + namespaces + '$'));\n\t }\n\t }\n\t}\n\t\n\t/**\n\t * Disable debug output.\n\t *\n\t * @api public\n\t */\n\t\n\tfunction disable() {\n\t exports.enable('');\n\t}\n\t\n\t/**\n\t * Returns true if the given mode name is enabled, false otherwise.\n\t *\n\t * @param {String} name\n\t * @return {Boolean}\n\t * @api public\n\t */\n\t\n\tfunction enabled(name) {\n\t var i, len;\n\t for (i = 0, len = exports.skips.length; i < len; i++) {\n\t if (exports.skips[i].test(name)) {\n\t return false;\n\t }\n\t }\n\t for (i = 0, len = exports.names.length; i < len; i++) {\n\t if (exports.names[i].test(name)) {\n\t return true;\n\t }\n\t }\n\t return false;\n\t}\n\t\n\t/**\n\t * Coerce `val`.\n\t *\n\t * @param {Mixed} val\n\t * @return {Mixed}\n\t * @api private\n\t */\n\t\n\tfunction coerce(val) {\n\t if (val instanceof Error) return val.stack || val.message;\n\t return val;\n\t}\n\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * Helpers.\n\t */\n\t\n\tvar s = 1000;\n\tvar m = s * 60;\n\tvar h = m * 60;\n\tvar d = h * 24;\n\tvar y = d * 365.25;\n\t\n\t/**\n\t * Parse or format the given `val`.\n\t *\n\t * Options:\n\t *\n\t * - `long` verbose formatting [false]\n\t *\n\t * @param {String|Number} val\n\t * @param {Object} [options]\n\t * @throws {Error} throw an error if val is not a non-empty string or a number\n\t * @return {String|Number}\n\t * @api public\n\t */\n\t\n\tmodule.exports = function(val, options) {\n\t options = options || {};\n\t var type = typeof val;\n\t if (type === 'string' && val.length > 0) {\n\t return parse(val);\n\t } else if (type === 'number' && isNaN(val) === false) {\n\t return options.long ? fmtLong(val) : fmtShort(val);\n\t }\n\t throw new Error(\n\t 'val is not a non-empty string or a valid number. val=' +\n\t JSON.stringify(val)\n\t );\n\t};\n\t\n\t/**\n\t * Parse the given `str` and return milliseconds.\n\t *\n\t * @param {String} str\n\t * @return {Number}\n\t * @api private\n\t */\n\t\n\tfunction parse(str) {\n\t str = String(str);\n\t if (str.length > 100) {\n\t return;\n\t }\n\t var match = /^((?:\\d+)?\\.?\\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(\n\t str\n\t );\n\t if (!match) {\n\t return;\n\t }\n\t var n = parseFloat(match[1]);\n\t var type = (match[2] || 'ms').toLowerCase();\n\t switch (type) {\n\t case 'years':\n\t case 'year':\n\t case 'yrs':\n\t case 'yr':\n\t case 'y':\n\t return n * y;\n\t case 'days':\n\t case 'day':\n\t case 'd':\n\t return n * d;\n\t case 'hours':\n\t case 'hour':\n\t case 'hrs':\n\t case 'hr':\n\t case 'h':\n\t return n * h;\n\t case 'minutes':\n\t case 'minute':\n\t case 'mins':\n\t case 'min':\n\t case 'm':\n\t return n * m;\n\t case 'seconds':\n\t case 'second':\n\t case 'secs':\n\t case 'sec':\n\t case 's':\n\t return n * s;\n\t case 'milliseconds':\n\t case 'millisecond':\n\t case 'msecs':\n\t case 'msec':\n\t case 'ms':\n\t return n;\n\t default:\n\t return undefined;\n\t }\n\t}\n\t\n\t/**\n\t * Short format for `ms`.\n\t *\n\t * @param {Number} ms\n\t * @return {String}\n\t * @api private\n\t */\n\t\n\tfunction fmtShort(ms) {\n\t if (ms >= d) {\n\t return Math.round(ms / d) + 'd';\n\t }\n\t if (ms >= h) {\n\t return Math.round(ms / h) + 'h';\n\t }\n\t if (ms >= m) {\n\t return Math.round(ms / m) + 'm';\n\t }\n\t if (ms >= s) {\n\t return Math.round(ms / s) + 's';\n\t }\n\t return ms + 'ms';\n\t}\n\t\n\t/**\n\t * Long format for `ms`.\n\t *\n\t * @param {Number} ms\n\t * @return {String}\n\t * @api private\n\t */\n\t\n\tfunction fmtLong(ms) {\n\t return plural(ms, d, 'day') ||\n\t plural(ms, h, 'hour') ||\n\t plural(ms, m, 'minute') ||\n\t plural(ms, s, 'second') ||\n\t ms + ' ms';\n\t}\n\t\n\t/**\n\t * Pluralization helper.\n\t */\n\t\n\tfunction plural(ms, n, name) {\n\t if (ms < n) {\n\t return;\n\t }\n\t if (ms < n * 1.5) {\n\t return Math.floor(ms / n) + ' ' + name;\n\t }\n\t return Math.ceil(ms / n) + ' ' + name + 's';\n\t}\n\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar debug = __webpack_require__(3)('socket.io-parser');\n\tvar Emitter = __webpack_require__(8);\n\tvar hasBin = __webpack_require__(9);\n\tvar binary = __webpack_require__(11);\n\tvar isBuf = __webpack_require__(12);\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\texports.protocol = 4;\n\t\n\t/**\n\t * Packet types.\n\t *\n\t * @api public\n\t */\n\t\n\texports.types = [\n\t 'CONNECT',\n\t 'DISCONNECT',\n\t 'EVENT',\n\t 'ACK',\n\t 'ERROR',\n\t 'BINARY_EVENT',\n\t 'BINARY_ACK'\n\t];\n\t\n\t/**\n\t * Packet type `connect`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.CONNECT = 0;\n\t\n\t/**\n\t * Packet type `disconnect`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.DISCONNECT = 1;\n\t\n\t/**\n\t * Packet type `event`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.EVENT = 2;\n\t\n\t/**\n\t * Packet type `ack`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.ACK = 3;\n\t\n\t/**\n\t * Packet type `error`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.ERROR = 4;\n\t\n\t/**\n\t * Packet type 'binary event'\n\t *\n\t * @api public\n\t */\n\t\n\texports.BINARY_EVENT = 5;\n\t\n\t/**\n\t * Packet type `binary ack`. For acks with binary arguments.\n\t *\n\t * @api public\n\t */\n\t\n\texports.BINARY_ACK = 6;\n\t\n\t/**\n\t * Encoder constructor.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Encoder = Encoder;\n\t\n\t/**\n\t * Decoder constructor.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Decoder = Decoder;\n\t\n\t/**\n\t * A socket.io Encoder instance\n\t *\n\t * @api public\n\t */\n\t\n\tfunction Encoder() {}\n\t\n\t/**\n\t * Encode a packet as a single string if non-binary, or as a\n\t * buffer sequence, depending on packet type.\n\t *\n\t * @param {Object} obj - packet object\n\t * @param {Function} callback - function to handle encodings (likely engine.write)\n\t * @return Calls callback with Array of encodings\n\t * @api public\n\t */\n\t\n\tEncoder.prototype.encode = function(obj, callback){\n\t if ((obj.type === exports.EVENT || obj.type === exports.ACK) && hasBin(obj.data)) {\n\t obj.type = obj.type === exports.EVENT ? exports.BINARY_EVENT : exports.BINARY_ACK;\n\t }\n\t\n\t debug('encoding packet %j', obj);\n\t\n\t if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n\t encodeAsBinary(obj, callback);\n\t }\n\t else {\n\t var encoding = encodeAsString(obj);\n\t callback([encoding]);\n\t }\n\t};\n\t\n\t/**\n\t * Encode packet as string.\n\t *\n\t * @param {Object} packet\n\t * @return {String} encoded\n\t * @api private\n\t */\n\t\n\tfunction encodeAsString(obj) {\n\t\n\t // first is type\n\t var str = '' + obj.type;\n\t\n\t // attachments if we have them\n\t if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n\t str += obj.attachments + '-';\n\t }\n\t\n\t // if we have a namespace other than `/`\n\t // we append it followed by a comma `,`\n\t if (obj.nsp && '/' !== obj.nsp) {\n\t str += obj.nsp + ',';\n\t }\n\t\n\t // immediately followed by the id\n\t if (null != obj.id) {\n\t str += obj.id;\n\t }\n\t\n\t // json data\n\t if (null != obj.data) {\n\t str += JSON.stringify(obj.data);\n\t }\n\t\n\t debug('encoded %j as %s', obj, str);\n\t return str;\n\t}\n\t\n\t/**\n\t * Encode packet as 'buffer sequence' by removing blobs, and\n\t * deconstructing packet into object with placeholders and\n\t * a list of buffers.\n\t *\n\t * @param {Object} packet\n\t * @return {Buffer} encoded\n\t * @api private\n\t */\n\t\n\tfunction encodeAsBinary(obj, callback) {\n\t\n\t function writeEncoding(bloblessData) {\n\t var deconstruction = binary.deconstructPacket(bloblessData);\n\t var pack = encodeAsString(deconstruction.packet);\n\t var buffers = deconstruction.buffers;\n\t\n\t buffers.unshift(pack); // add packet info to beginning of data list\n\t callback(buffers); // write all the buffers\n\t }\n\t\n\t binary.removeBlobs(obj, writeEncoding);\n\t}\n\t\n\t/**\n\t * A socket.io Decoder instance\n\t *\n\t * @return {Object} decoder\n\t * @api public\n\t */\n\t\n\tfunction Decoder() {\n\t this.reconstructor = null;\n\t}\n\t\n\t/**\n\t * Mix in `Emitter` with Decoder.\n\t */\n\t\n\tEmitter(Decoder.prototype);\n\t\n\t/**\n\t * Decodes an ecoded packet string into packet JSON.\n\t *\n\t * @param {String} obj - encoded packet\n\t * @return {Object} packet\n\t * @api public\n\t */\n\t\n\tDecoder.prototype.add = function(obj) {\n\t var packet;\n\t if (typeof obj === 'string') {\n\t packet = decodeString(obj);\n\t if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json\n\t this.reconstructor = new BinaryReconstructor(packet);\n\t\n\t // no attachments, labeled binary but no binary data to follow\n\t if (this.reconstructor.reconPack.attachments === 0) {\n\t this.emit('decoded', packet);\n\t }\n\t } else { // non-binary full packet\n\t this.emit('decoded', packet);\n\t }\n\t }\n\t else if (isBuf(obj) || obj.base64) { // raw binary data\n\t if (!this.reconstructor) {\n\t throw new Error('got binary data when not reconstructing a packet');\n\t } else {\n\t packet = this.reconstructor.takeBinaryData(obj);\n\t if (packet) { // received final buffer\n\t this.reconstructor = null;\n\t this.emit('decoded', packet);\n\t }\n\t }\n\t }\n\t else {\n\t throw new Error('Unknown type: ' + obj);\n\t }\n\t};\n\t\n\t/**\n\t * Decode a packet String (JSON data)\n\t *\n\t * @param {String} str\n\t * @return {Object} packet\n\t * @api private\n\t */\n\t\n\tfunction decodeString(str) {\n\t var i = 0;\n\t // look up type\n\t var p = {\n\t type: Number(str.charAt(0))\n\t };\n\t\n\t if (null == exports.types[p.type]) return error();\n\t\n\t // look up attachments if type binary\n\t if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {\n\t var buf = '';\n\t while (str.charAt(++i) !== '-') {\n\t buf += str.charAt(i);\n\t if (i == str.length) break;\n\t }\n\t if (buf != Number(buf) || str.charAt(i) !== '-') {\n\t throw new Error('Illegal attachments');\n\t }\n\t p.attachments = Number(buf);\n\t }\n\t\n\t // look up namespace (if any)\n\t if ('/' === str.charAt(i + 1)) {\n\t p.nsp = '';\n\t while (++i) {\n\t var c = str.charAt(i);\n\t if (',' === c) break;\n\t p.nsp += c;\n\t if (i === str.length) break;\n\t }\n\t } else {\n\t p.nsp = '/';\n\t }\n\t\n\t // look up id\n\t var next = str.charAt(i + 1);\n\t if ('' !== next && Number(next) == next) {\n\t p.id = '';\n\t while (++i) {\n\t var c = str.charAt(i);\n\t if (null == c || Number(c) != c) {\n\t --i;\n\t break;\n\t }\n\t p.id += str.charAt(i);\n\t if (i === str.length) break;\n\t }\n\t p.id = Number(p.id);\n\t }\n\t\n\t // look up json data\n\t if (str.charAt(++i)) {\n\t p = tryParse(p, str.substr(i));\n\t }\n\t\n\t debug('decoded %s as %j', str, p);\n\t return p;\n\t}\n\t\n\tfunction tryParse(p, str) {\n\t try {\n\t p.data = JSON.parse(str);\n\t } catch(e){\n\t return error();\n\t }\n\t return p; \n\t}\n\t\n\t/**\n\t * Deallocates a parser's resources\n\t *\n\t * @api public\n\t */\n\t\n\tDecoder.prototype.destroy = function() {\n\t if (this.reconstructor) {\n\t this.reconstructor.finishedReconstruction();\n\t }\n\t};\n\t\n\t/**\n\t * A manager of a binary event's 'buffer sequence'. Should\n\t * be constructed whenever a packet of type BINARY_EVENT is\n\t * decoded.\n\t *\n\t * @param {Object} packet\n\t * @return {BinaryReconstructor} initialized reconstructor\n\t * @api private\n\t */\n\t\n\tfunction BinaryReconstructor(packet) {\n\t this.reconPack = packet;\n\t this.buffers = [];\n\t}\n\t\n\t/**\n\t * Method to be called when binary data received from connection\n\t * after a BINARY_EVENT packet.\n\t *\n\t * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n\t * @return {null | Object} returns null if more binary data is expected or\n\t * a reconstructed packet object if all buffers have been received.\n\t * @api private\n\t */\n\t\n\tBinaryReconstructor.prototype.takeBinaryData = function(binData) {\n\t this.buffers.push(binData);\n\t if (this.buffers.length === this.reconPack.attachments) { // done with buffer list\n\t var packet = binary.reconstructPacket(this.reconPack, this.buffers);\n\t this.finishedReconstruction();\n\t return packet;\n\t }\n\t return null;\n\t};\n\t\n\t/**\n\t * Cleans up binary packet reconstruction variables.\n\t *\n\t * @api private\n\t */\n\t\n\tBinaryReconstructor.prototype.finishedReconstruction = function() {\n\t this.reconPack = null;\n\t this.buffers = [];\n\t};\n\t\n\tfunction error() {\n\t return {\n\t type: exports.ERROR,\n\t data: 'parser error'\n\t };\n\t}\n\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\r\n\t/**\r\n\t * Expose `Emitter`.\r\n\t */\r\n\t\r\n\tif (true) {\r\n\t module.exports = Emitter;\r\n\t}\r\n\t\r\n\t/**\r\n\t * Initialize a new `Emitter`.\r\n\t *\r\n\t * @api public\r\n\t */\r\n\t\r\n\tfunction Emitter(obj) {\r\n\t if (obj) return mixin(obj);\r\n\t};\r\n\t\r\n\t/**\r\n\t * Mixin the emitter properties.\r\n\t *\r\n\t * @param {Object} obj\r\n\t * @return {Object}\r\n\t * @api private\r\n\t */\r\n\t\r\n\tfunction mixin(obj) {\r\n\t for (var key in Emitter.prototype) {\r\n\t obj[key] = Emitter.prototype[key];\r\n\t }\r\n\t return obj;\r\n\t}\r\n\t\r\n\t/**\r\n\t * Listen on the given `event` with `fn`.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.on =\r\n\tEmitter.prototype.addEventListener = function(event, fn){\r\n\t this._callbacks = this._callbacks || {};\r\n\t (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n\t .push(fn);\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Adds an `event` listener that will be invoked a single\r\n\t * time then automatically removed.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.once = function(event, fn){\r\n\t function on() {\r\n\t this.off(event, on);\r\n\t fn.apply(this, arguments);\r\n\t }\r\n\t\r\n\t on.fn = fn;\r\n\t this.on(event, on);\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Remove the given callback for `event` or all\r\n\t * registered callbacks.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.off =\r\n\tEmitter.prototype.removeListener =\r\n\tEmitter.prototype.removeAllListeners =\r\n\tEmitter.prototype.removeEventListener = function(event, fn){\r\n\t this._callbacks = this._callbacks || {};\r\n\t\r\n\t // all\r\n\t if (0 == arguments.length) {\r\n\t this._callbacks = {};\r\n\t return this;\r\n\t }\r\n\t\r\n\t // specific event\r\n\t var callbacks = this._callbacks['$' + event];\r\n\t if (!callbacks) return this;\r\n\t\r\n\t // remove all handlers\r\n\t if (1 == arguments.length) {\r\n\t delete this._callbacks['$' + event];\r\n\t return this;\r\n\t }\r\n\t\r\n\t // remove specific handler\r\n\t var cb;\r\n\t for (var i = 0; i < callbacks.length; i++) {\r\n\t cb = callbacks[i];\r\n\t if (cb === fn || cb.fn === fn) {\r\n\t callbacks.splice(i, 1);\r\n\t break;\r\n\t }\r\n\t }\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Emit `event` with the given args.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Mixed} ...\r\n\t * @return {Emitter}\r\n\t */\r\n\t\r\n\tEmitter.prototype.emit = function(event){\r\n\t this._callbacks = this._callbacks || {};\r\n\t var args = [].slice.call(arguments, 1)\r\n\t , callbacks = this._callbacks['$' + event];\r\n\t\r\n\t if (callbacks) {\r\n\t callbacks = callbacks.slice(0);\r\n\t for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n\t callbacks[i].apply(this, args);\r\n\t }\r\n\t }\r\n\t\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Return array of callbacks for `event`.\r\n\t *\r\n\t * @param {String} event\r\n\t * @return {Array}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.listeners = function(event){\r\n\t this._callbacks = this._callbacks || {};\r\n\t return this._callbacks['$' + event] || [];\r\n\t};\r\n\t\r\n\t/**\r\n\t * Check if this emitter has `event` handlers.\r\n\t *\r\n\t * @param {String} event\r\n\t * @return {Boolean}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.hasListeners = function(event){\r\n\t return !! this.listeners(event).length;\r\n\t};\r\n\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/* global Blob File */\n\t\n\t/*\n\t * Module requirements.\n\t */\n\t\n\tvar isArray = __webpack_require__(10);\n\t\n\tvar toString = Object.prototype.toString;\n\tvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\n\tvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = hasBinary;\n\t\n\t/**\n\t * Checks for binary data.\n\t *\n\t * Supports Buffer, ArrayBuffer, Blob and File.\n\t *\n\t * @param {Object} anything\n\t * @api public\n\t */\n\t\n\tfunction hasBinary (obj) {\n\t if (!obj || typeof obj !== 'object') {\n\t return false;\n\t }\n\t\n\t if (isArray(obj)) {\n\t for (var i = 0, l = obj.length; i < l; i++) {\n\t if (hasBinary(obj[i])) {\n\t return true;\n\t }\n\t }\n\t return false;\n\t }\n\t\n\t if ((typeof global.Buffer === 'function' && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||\n\t (typeof global.ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||\n\t (withNativeBlob && obj instanceof Blob) ||\n\t (withNativeFile && obj instanceof File)\n\t ) {\n\t return true;\n\t }\n\t\n\t // see: https://github.com/Automattic/has-binary/pull/4\n\t if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {\n\t return hasBinary(obj.toJSON(), true);\n\t }\n\t\n\t for (var key in obj) {\n\t if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n\t return true;\n\t }\n\t }\n\t\n\t return false;\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports) {\n\n\tvar toString = {}.toString;\n\t\n\tmodule.exports = Array.isArray || function (arr) {\n\t return toString.call(arr) == '[object Array]';\n\t};\n\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/*global Blob,File*/\n\t\n\t/**\n\t * Module requirements\n\t */\n\t\n\tvar isArray = __webpack_require__(10);\n\tvar isBuf = __webpack_require__(12);\n\tvar toString = Object.prototype.toString;\n\tvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\n\tvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\t\n\t/**\n\t * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.\n\t * Anything with blobs or files should be fed through removeBlobs before coming\n\t * here.\n\t *\n\t * @param {Object} packet - socket.io event packet\n\t * @return {Object} with deconstructed packet and list of buffers\n\t * @api public\n\t */\n\t\n\texports.deconstructPacket = function(packet) {\n\t var buffers = [];\n\t var packetData = packet.data;\n\t var pack = packet;\n\t pack.data = _deconstructPacket(packetData, buffers);\n\t pack.attachments = buffers.length; // number of binary 'attachments'\n\t return {packet: pack, buffers: buffers};\n\t};\n\t\n\tfunction _deconstructPacket(data, buffers) {\n\t if (!data) return data;\n\t\n\t if (isBuf(data)) {\n\t var placeholder = { _placeholder: true, num: buffers.length };\n\t buffers.push(data);\n\t return placeholder;\n\t } else if (isArray(data)) {\n\t var newData = new Array(data.length);\n\t for (var i = 0; i < data.length; i++) {\n\t newData[i] = _deconstructPacket(data[i], buffers);\n\t }\n\t return newData;\n\t } else if (typeof data === 'object' && !(data instanceof Date)) {\n\t var newData = {};\n\t for (var key in data) {\n\t newData[key] = _deconstructPacket(data[key], buffers);\n\t }\n\t return newData;\n\t }\n\t return data;\n\t}\n\t\n\t/**\n\t * Reconstructs a binary packet from its placeholder packet and buffers\n\t *\n\t * @param {Object} packet - event packet with placeholders\n\t * @param {Array} buffers - binary buffers to put in placeholder positions\n\t * @return {Object} reconstructed packet\n\t * @api public\n\t */\n\t\n\texports.reconstructPacket = function(packet, buffers) {\n\t packet.data = _reconstructPacket(packet.data, buffers);\n\t packet.attachments = undefined; // no longer useful\n\t return packet;\n\t};\n\t\n\tfunction _reconstructPacket(data, buffers) {\n\t if (!data) return data;\n\t\n\t if (data && data._placeholder) {\n\t return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n\t } else if (isArray(data)) {\n\t for (var i = 0; i < data.length; i++) {\n\t data[i] = _reconstructPacket(data[i], buffers);\n\t }\n\t } else if (typeof data === 'object') {\n\t for (var key in data) {\n\t data[key] = _reconstructPacket(data[key], buffers);\n\t }\n\t }\n\t\n\t return data;\n\t}\n\t\n\t/**\n\t * Asynchronously removes Blobs or Files from data via\n\t * FileReader's readAsArrayBuffer method. Used before encoding\n\t * data as msgpack. Calls callback with the blobless data.\n\t *\n\t * @param {Object} data\n\t * @param {Function} callback\n\t * @api private\n\t */\n\t\n\texports.removeBlobs = function(data, callback) {\n\t function _removeBlobs(obj, curKey, containingObject) {\n\t if (!obj) return obj;\n\t\n\t // convert any blob\n\t if ((withNativeBlob && obj instanceof Blob) ||\n\t (withNativeFile && obj instanceof File)) {\n\t pendingBlobs++;\n\t\n\t // async filereader\n\t var fileReader = new FileReader();\n\t fileReader.onload = function() { // this.result == arraybuffer\n\t if (containingObject) {\n\t containingObject[curKey] = this.result;\n\t }\n\t else {\n\t bloblessData = this.result;\n\t }\n\t\n\t // if nothing pending its callback time\n\t if(! --pendingBlobs) {\n\t callback(bloblessData);\n\t }\n\t };\n\t\n\t fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer\n\t } else if (isArray(obj)) { // handle array\n\t for (var i = 0; i < obj.length; i++) {\n\t _removeBlobs(obj[i], i, obj);\n\t }\n\t } else if (typeof obj === 'object' && !isBuf(obj)) { // and object\n\t for (var key in obj) {\n\t _removeBlobs(obj[key], key, obj);\n\t }\n\t }\n\t }\n\t\n\t var pendingBlobs = 0;\n\t var bloblessData = data;\n\t _removeBlobs(bloblessData);\n\t if (!pendingBlobs) {\n\t callback(bloblessData);\n\t }\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {\n\tmodule.exports = isBuf;\n\t\n\t/**\n\t * Returns true if obj is a buffer or an arraybuffer.\n\t *\n\t * @api private\n\t */\n\t\n\tfunction isBuf(obj) {\n\t return (global.Buffer && global.Buffer.isBuffer(obj)) ||\n\t (global.ArrayBuffer && obj instanceof ArrayBuffer);\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar eio = __webpack_require__(14);\n\tvar Socket = __webpack_require__(37);\n\tvar Emitter = __webpack_require__(8);\n\tvar parser = __webpack_require__(7);\n\tvar on = __webpack_require__(39);\n\tvar bind = __webpack_require__(40);\n\tvar debug = __webpack_require__(3)('socket.io-client:manager');\n\tvar indexOf = __webpack_require__(36);\n\tvar Backoff = __webpack_require__(41);\n\t\n\t/**\n\t * IE6+ hasOwnProperty\n\t */\n\t\n\tvar has = Object.prototype.hasOwnProperty;\n\t\n\t/**\n\t * Module exports\n\t */\n\t\n\tmodule.exports = Manager;\n\t\n\t/**\n\t * `Manager` constructor.\n\t *\n\t * @param {String} engine instance or engine uri/opts\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Manager(uri, opts) {\n\t if (!(this instanceof Manager)) return new Manager(uri, opts);\n\t if (uri && 'object' === (typeof uri === 'undefined' ? 'undefined' : _typeof(uri))) {\n\t opts = uri;\n\t uri = undefined;\n\t }\n\t opts = opts || {};\n\t\n\t opts.path = opts.path || '/socket.io';\n\t this.nsps = {};\n\t this.subs = [];\n\t this.opts = opts;\n\t this.reconnection(opts.reconnection !== false);\n\t this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n\t this.reconnectionDelay(opts.reconnectionDelay || 1000);\n\t this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n\t this.randomizationFactor(opts.randomizationFactor || 0.5);\n\t this.backoff = new Backoff({\n\t min: this.reconnectionDelay(),\n\t max: this.reconnectionDelayMax(),\n\t jitter: this.randomizationFactor()\n\t });\n\t this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n\t this.readyState = 'closed';\n\t this.uri = uri;\n\t this.connecting = [];\n\t this.lastPing = null;\n\t this.encoding = false;\n\t this.packetBuffer = [];\n\t var _parser = opts.parser || parser;\n\t this.encoder = new _parser.Encoder();\n\t this.decoder = new _parser.Decoder();\n\t this.autoConnect = opts.autoConnect !== false;\n\t if (this.autoConnect) this.open();\n\t}\n\t\n\t/**\n\t * Propagate given event to sockets and emit on `this`\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.emitAll = function () {\n\t this.emit.apply(this, arguments);\n\t for (var nsp in this.nsps) {\n\t if (has.call(this.nsps, nsp)) {\n\t this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Update `socket.id` of all sockets\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.updateSocketIds = function () {\n\t for (var nsp in this.nsps) {\n\t if (has.call(this.nsps, nsp)) {\n\t this.nsps[nsp].id = this.generateId(nsp);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * generate `socket.id` for the given `nsp`\n\t *\n\t * @param {String} nsp\n\t * @return {String}\n\t * @api private\n\t */\n\t\n\tManager.prototype.generateId = function (nsp) {\n\t return (nsp === '/' ? '' : nsp + '#') + this.engine.id;\n\t};\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Manager.prototype);\n\t\n\t/**\n\t * Sets the `reconnection` config.\n\t *\n\t * @param {Boolean} true/false if it should automatically reconnect\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnection = function (v) {\n\t if (!arguments.length) return this._reconnection;\n\t this._reconnection = !!v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the reconnection attempts config.\n\t *\n\t * @param {Number} max reconnection attempts before giving up\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionAttempts = function (v) {\n\t if (!arguments.length) return this._reconnectionAttempts;\n\t this._reconnectionAttempts = v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the delay between reconnections.\n\t *\n\t * @param {Number} delay\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionDelay = function (v) {\n\t if (!arguments.length) return this._reconnectionDelay;\n\t this._reconnectionDelay = v;\n\t this.backoff && this.backoff.setMin(v);\n\t return this;\n\t};\n\t\n\tManager.prototype.randomizationFactor = function (v) {\n\t if (!arguments.length) return this._randomizationFactor;\n\t this._randomizationFactor = v;\n\t this.backoff && this.backoff.setJitter(v);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the maximum delay between reconnections.\n\t *\n\t * @param {Number} delay\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionDelayMax = function (v) {\n\t if (!arguments.length) return this._reconnectionDelayMax;\n\t this._reconnectionDelayMax = v;\n\t this.backoff && this.backoff.setMax(v);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the connection timeout. `false` to disable\n\t *\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.timeout = function (v) {\n\t if (!arguments.length) return this._timeout;\n\t this._timeout = v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Starts trying to reconnect if reconnection is enabled and we have not\n\t * started reconnecting yet\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.maybeReconnectOnOpen = function () {\n\t // Only try to reconnect if it's the first time we're connecting\n\t if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {\n\t // keeps reconnection from firing twice for the same reconnection loop\n\t this.reconnect();\n\t }\n\t};\n\t\n\t/**\n\t * Sets the current transport `socket`.\n\t *\n\t * @param {Function} optional, callback\n\t * @return {Manager} self\n\t * @api public\n\t */\n\t\n\tManager.prototype.open = Manager.prototype.connect = function (fn, opts) {\n\t debug('readyState %s', this.readyState);\n\t if (~this.readyState.indexOf('open')) return this;\n\t\n\t debug('opening %s', this.uri);\n\t this.engine = eio(this.uri, this.opts);\n\t var socket = this.engine;\n\t var self = this;\n\t this.readyState = 'opening';\n\t this.skipReconnect = false;\n\t\n\t // emit `open`\n\t var openSub = on(socket, 'open', function () {\n\t self.onopen();\n\t fn && fn();\n\t });\n\t\n\t // emit `connect_error`\n\t var errorSub = on(socket, 'error', function (data) {\n\t debug('connect_error');\n\t self.cleanup();\n\t self.readyState = 'closed';\n\t self.emitAll('connect_error', data);\n\t if (fn) {\n\t var err = new Error('Connection error');\n\t err.data = data;\n\t fn(err);\n\t } else {\n\t // Only do this if there is no fn to handle the error\n\t self.maybeReconnectOnOpen();\n\t }\n\t });\n\t\n\t // emit `connect_timeout`\n\t if (false !== this._timeout) {\n\t var timeout = this._timeout;\n\t debug('connect attempt will timeout after %d', timeout);\n\t\n\t // set timer\n\t var timer = setTimeout(function () {\n\t debug('connect attempt timed out after %d', timeout);\n\t openSub.destroy();\n\t socket.close();\n\t socket.emit('error', 'timeout');\n\t self.emitAll('connect_timeout', timeout);\n\t }, timeout);\n\t\n\t this.subs.push({\n\t destroy: function destroy() {\n\t clearTimeout(timer);\n\t }\n\t });\n\t }\n\t\n\t this.subs.push(openSub);\n\t this.subs.push(errorSub);\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Called upon transport open.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onopen = function () {\n\t debug('open');\n\t\n\t // clear old subs\n\t this.cleanup();\n\t\n\t // mark as open\n\t this.readyState = 'open';\n\t this.emit('open');\n\t\n\t // add new subs\n\t var socket = this.engine;\n\t this.subs.push(on(socket, 'data', bind(this, 'ondata')));\n\t this.subs.push(on(socket, 'ping', bind(this, 'onping')));\n\t this.subs.push(on(socket, 'pong', bind(this, 'onpong')));\n\t this.subs.push(on(socket, 'error', bind(this, 'onerror')));\n\t this.subs.push(on(socket, 'close', bind(this, 'onclose')));\n\t this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));\n\t};\n\t\n\t/**\n\t * Called upon a ping.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onping = function () {\n\t this.lastPing = new Date();\n\t this.emitAll('ping');\n\t};\n\t\n\t/**\n\t * Called upon a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onpong = function () {\n\t this.emitAll('pong', new Date() - this.lastPing);\n\t};\n\t\n\t/**\n\t * Called with data.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.ondata = function (data) {\n\t this.decoder.add(data);\n\t};\n\t\n\t/**\n\t * Called when parser fully decodes a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.ondecoded = function (packet) {\n\t this.emit('packet', packet);\n\t};\n\t\n\t/**\n\t * Called upon socket error.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onerror = function (err) {\n\t debug('error', err);\n\t this.emitAll('error', err);\n\t};\n\t\n\t/**\n\t * Creates a new socket for the given `nsp`.\n\t *\n\t * @return {Socket}\n\t * @api public\n\t */\n\t\n\tManager.prototype.socket = function (nsp, opts) {\n\t var socket = this.nsps[nsp];\n\t if (!socket) {\n\t socket = new Socket(this, nsp, opts);\n\t this.nsps[nsp] = socket;\n\t var self = this;\n\t socket.on('connecting', onConnecting);\n\t socket.on('connect', function () {\n\t socket.id = self.generateId(nsp);\n\t });\n\t\n\t if (this.autoConnect) {\n\t // manually call here since connecting event is fired before listening\n\t onConnecting();\n\t }\n\t }\n\t\n\t function onConnecting() {\n\t if (!~indexOf(self.connecting, socket)) {\n\t self.connecting.push(socket);\n\t }\n\t }\n\t\n\t return socket;\n\t};\n\t\n\t/**\n\t * Called upon a socket close.\n\t *\n\t * @param {Socket} socket\n\t */\n\t\n\tManager.prototype.destroy = function (socket) {\n\t var index = indexOf(this.connecting, socket);\n\t if (~index) this.connecting.splice(index, 1);\n\t if (this.connecting.length) return;\n\t\n\t this.close();\n\t};\n\t\n\t/**\n\t * Writes a packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tManager.prototype.packet = function (packet) {\n\t debug('writing packet %j', packet);\n\t var self = this;\n\t if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;\n\t\n\t if (!self.encoding) {\n\t // encode, then write to engine with result\n\t self.encoding = true;\n\t this.encoder.encode(packet, function (encodedPackets) {\n\t for (var i = 0; i < encodedPackets.length; i++) {\n\t self.engine.write(encodedPackets[i], packet.options);\n\t }\n\t self.encoding = false;\n\t self.processPacketQueue();\n\t });\n\t } else {\n\t // add packet to the queue\n\t self.packetBuffer.push(packet);\n\t }\n\t};\n\t\n\t/**\n\t * If packet buffer is non-empty, begins encoding the\n\t * next packet in line.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.processPacketQueue = function () {\n\t if (this.packetBuffer.length > 0 && !this.encoding) {\n\t var pack = this.packetBuffer.shift();\n\t this.packet(pack);\n\t }\n\t};\n\t\n\t/**\n\t * Clean up transport subscriptions and packet buffer.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.cleanup = function () {\n\t debug('cleanup');\n\t\n\t var subsLength = this.subs.length;\n\t for (var i = 0; i < subsLength; i++) {\n\t var sub = this.subs.shift();\n\t sub.destroy();\n\t }\n\t\n\t this.packetBuffer = [];\n\t this.encoding = false;\n\t this.lastPing = null;\n\t\n\t this.decoder.destroy();\n\t};\n\t\n\t/**\n\t * Close the current socket.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.close = Manager.prototype.disconnect = function () {\n\t debug('disconnect');\n\t this.skipReconnect = true;\n\t this.reconnecting = false;\n\t if ('opening' === this.readyState) {\n\t // `onclose` will not fire because\n\t // an open event never happened\n\t this.cleanup();\n\t }\n\t this.backoff.reset();\n\t this.readyState = 'closed';\n\t if (this.engine) this.engine.close();\n\t};\n\t\n\t/**\n\t * Called upon engine close.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onclose = function (reason) {\n\t debug('onclose');\n\t\n\t this.cleanup();\n\t this.backoff.reset();\n\t this.readyState = 'closed';\n\t this.emit('close', reason);\n\t\n\t if (this._reconnection && !this.skipReconnect) {\n\t this.reconnect();\n\t }\n\t};\n\t\n\t/**\n\t * Attempt a reconnection.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.reconnect = function () {\n\t if (this.reconnecting || this.skipReconnect) return this;\n\t\n\t var self = this;\n\t\n\t if (this.backoff.attempts >= this._reconnectionAttempts) {\n\t debug('reconnect failed');\n\t this.backoff.reset();\n\t this.emitAll('reconnect_failed');\n\t this.reconnecting = false;\n\t } else {\n\t var delay = this.backoff.duration();\n\t debug('will wait %dms before reconnect attempt', delay);\n\t\n\t this.reconnecting = true;\n\t var timer = setTimeout(function () {\n\t if (self.skipReconnect) return;\n\t\n\t debug('attempting reconnect');\n\t self.emitAll('reconnect_attempt', self.backoff.attempts);\n\t self.emitAll('reconnecting', self.backoff.attempts);\n\t\n\t // check again for the case socket closed in above events\n\t if (self.skipReconnect) return;\n\t\n\t self.open(function (err) {\n\t if (err) {\n\t debug('reconnect attempt error');\n\t self.reconnecting = false;\n\t self.reconnect();\n\t self.emitAll('reconnect_error', err.data);\n\t } else {\n\t debug('reconnect success');\n\t self.onreconnect();\n\t }\n\t });\n\t }, delay);\n\t\n\t this.subs.push({\n\t destroy: function destroy() {\n\t clearTimeout(timer);\n\t }\n\t });\n\t }\n\t};\n\t\n\t/**\n\t * Called upon successful reconnect.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onreconnect = function () {\n\t var attempt = this.backoff.attempts;\n\t this.reconnecting = false;\n\t this.backoff.reset();\n\t this.updateSocketIds();\n\t this.emitAll('reconnect', attempt);\n\t};\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\n\tmodule.exports = __webpack_require__(15);\n\t\n\t/**\n\t * Exports parser\n\t *\n\t * @api public\n\t *\n\t */\n\tmodule.exports.parser = __webpack_require__(22);\n\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies.\n\t */\n\t\n\tvar transports = __webpack_require__(16);\n\tvar Emitter = __webpack_require__(8);\n\tvar debug = __webpack_require__(3)('engine.io-client:socket');\n\tvar index = __webpack_require__(36);\n\tvar parser = __webpack_require__(22);\n\tvar parseuri = __webpack_require__(2);\n\tvar parseqs = __webpack_require__(30);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Socket;\n\t\n\t/**\n\t * Socket constructor.\n\t *\n\t * @param {String|Object} uri or options\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Socket (uri, opts) {\n\t if (!(this instanceof Socket)) return new Socket(uri, opts);\n\t\n\t opts = opts || {};\n\t\n\t if (uri && 'object' === typeof uri) {\n\t opts = uri;\n\t uri = null;\n\t }\n\t\n\t if (uri) {\n\t uri = parseuri(uri);\n\t opts.hostname = uri.host;\n\t opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n\t opts.port = uri.port;\n\t if (uri.query) opts.query = uri.query;\n\t } else if (opts.host) {\n\t opts.hostname = parseuri(opts.host).host;\n\t }\n\t\n\t this.secure = null != opts.secure ? opts.secure\n\t : (global.location && 'https:' === location.protocol);\n\t\n\t if (opts.hostname && !opts.port) {\n\t // if no port is specified manually, use the protocol default\n\t opts.port = this.secure ? '443' : '80';\n\t }\n\t\n\t this.agent = opts.agent || false;\n\t this.hostname = opts.hostname ||\n\t (global.location ? location.hostname : 'localhost');\n\t this.port = opts.port || (global.location && location.port\n\t ? location.port\n\t : (this.secure ? 443 : 80));\n\t this.query = opts.query || {};\n\t if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n\t this.upgrade = false !== opts.upgrade;\n\t this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n\t this.forceJSONP = !!opts.forceJSONP;\n\t this.jsonp = false !== opts.jsonp;\n\t this.forceBase64 = !!opts.forceBase64;\n\t this.enablesXDR = !!opts.enablesXDR;\n\t this.timestampParam = opts.timestampParam || 't';\n\t this.timestampRequests = opts.timestampRequests;\n\t this.transports = opts.transports || ['polling', 'websocket'];\n\t this.transportOptions = opts.transportOptions || {};\n\t this.readyState = '';\n\t this.writeBuffer = [];\n\t this.prevBufferLen = 0;\n\t this.policyPort = opts.policyPort || 843;\n\t this.rememberUpgrade = opts.rememberUpgrade || false;\n\t this.binaryType = null;\n\t this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n\t this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\t\n\t if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n\t if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n\t this.perMessageDeflate.threshold = 1024;\n\t }\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx || null;\n\t this.key = opts.key || null;\n\t this.passphrase = opts.passphrase || null;\n\t this.cert = opts.cert || null;\n\t this.ca = opts.ca || null;\n\t this.ciphers = opts.ciphers || null;\n\t this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n\t this.forceNode = !!opts.forceNode;\n\t\n\t // other options for Node.js client\n\t var freeGlobal = typeof global === 'object' && global;\n\t if (freeGlobal.global === freeGlobal) {\n\t if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n\t this.extraHeaders = opts.extraHeaders;\n\t }\n\t\n\t if (opts.localAddress) {\n\t this.localAddress = opts.localAddress;\n\t }\n\t }\n\t\n\t // set on handshake\n\t this.id = null;\n\t this.upgrades = null;\n\t this.pingInterval = null;\n\t this.pingTimeout = null;\n\t\n\t // set on heartbeat\n\t this.pingIntervalTimer = null;\n\t this.pingTimeoutTimer = null;\n\t\n\t this.open();\n\t}\n\t\n\tSocket.priorWebsocketSuccess = false;\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Socket.prototype);\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.protocol = parser.protocol; // this is an int\n\t\n\t/**\n\t * Expose deps for legacy compatibility\n\t * and standalone browser access.\n\t */\n\t\n\tSocket.Socket = Socket;\n\tSocket.Transport = __webpack_require__(21);\n\tSocket.transports = __webpack_require__(16);\n\tSocket.parser = __webpack_require__(22);\n\t\n\t/**\n\t * Creates transport of the given type.\n\t *\n\t * @param {String} transport name\n\t * @return {Transport}\n\t * @api private\n\t */\n\t\n\tSocket.prototype.createTransport = function (name) {\n\t debug('creating transport \"%s\"', name);\n\t var query = clone(this.query);\n\t\n\t // append engine.io protocol identifier\n\t query.EIO = parser.protocol;\n\t\n\t // transport name\n\t query.transport = name;\n\t\n\t // per-transport options\n\t var options = this.transportOptions[name] || {};\n\t\n\t // session id if we already have one\n\t if (this.id) query.sid = this.id;\n\t\n\t var transport = new transports[name]({\n\t query: query,\n\t socket: this,\n\t agent: options.agent || this.agent,\n\t hostname: options.hostname || this.hostname,\n\t port: options.port || this.port,\n\t secure: options.secure || this.secure,\n\t path: options.path || this.path,\n\t forceJSONP: options.forceJSONP || this.forceJSONP,\n\t jsonp: options.jsonp || this.jsonp,\n\t forceBase64: options.forceBase64 || this.forceBase64,\n\t enablesXDR: options.enablesXDR || this.enablesXDR,\n\t timestampRequests: options.timestampRequests || this.timestampRequests,\n\t timestampParam: options.timestampParam || this.timestampParam,\n\t policyPort: options.policyPort || this.policyPort,\n\t pfx: options.pfx || this.pfx,\n\t key: options.key || this.key,\n\t passphrase: options.passphrase || this.passphrase,\n\t cert: options.cert || this.cert,\n\t ca: options.ca || this.ca,\n\t ciphers: options.ciphers || this.ciphers,\n\t rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n\t perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n\t extraHeaders: options.extraHeaders || this.extraHeaders,\n\t forceNode: options.forceNode || this.forceNode,\n\t localAddress: options.localAddress || this.localAddress,\n\t requestTimeout: options.requestTimeout || this.requestTimeout,\n\t protocols: options.protocols || void (0)\n\t });\n\t\n\t return transport;\n\t};\n\t\n\tfunction clone (obj) {\n\t var o = {};\n\t for (var i in obj) {\n\t if (obj.hasOwnProperty(i)) {\n\t o[i] = obj[i];\n\t }\n\t }\n\t return o;\n\t}\n\t\n\t/**\n\t * Initializes transport to use and starts probe.\n\t *\n\t * @api private\n\t */\n\tSocket.prototype.open = function () {\n\t var transport;\n\t if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n\t transport = 'websocket';\n\t } else if (0 === this.transports.length) {\n\t // Emit error on next tick so it can be listened to\n\t var self = this;\n\t setTimeout(function () {\n\t self.emit('error', 'No transports available');\n\t }, 0);\n\t return;\n\t } else {\n\t transport = this.transports[0];\n\t }\n\t this.readyState = 'opening';\n\t\n\t // Retry with the next transport if the transport is disabled (jsonp: false)\n\t try {\n\t transport = this.createTransport(transport);\n\t } catch (e) {\n\t this.transports.shift();\n\t this.open();\n\t return;\n\t }\n\t\n\t transport.open();\n\t this.setTransport(transport);\n\t};\n\t\n\t/**\n\t * Sets the current transport. Disables the existing one (if any).\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.setTransport = function (transport) {\n\t debug('setting transport %s', transport.name);\n\t var self = this;\n\t\n\t if (this.transport) {\n\t debug('clearing existing transport %s', this.transport.name);\n\t this.transport.removeAllListeners();\n\t }\n\t\n\t // set up transport\n\t this.transport = transport;\n\t\n\t // set up transport listeners\n\t transport\n\t .on('drain', function () {\n\t self.onDrain();\n\t })\n\t .on('packet', function (packet) {\n\t self.onPacket(packet);\n\t })\n\t .on('error', function (e) {\n\t self.onError(e);\n\t })\n\t .on('close', function () {\n\t self.onClose('transport close');\n\t });\n\t};\n\t\n\t/**\n\t * Probes a transport.\n\t *\n\t * @param {String} transport name\n\t * @api private\n\t */\n\t\n\tSocket.prototype.probe = function (name) {\n\t debug('probing transport \"%s\"', name);\n\t var transport = this.createTransport(name, { probe: 1 });\n\t var failed = false;\n\t var self = this;\n\t\n\t Socket.priorWebsocketSuccess = false;\n\t\n\t function onTransportOpen () {\n\t if (self.onlyBinaryUpgrades) {\n\t var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n\t failed = failed || upgradeLosesBinary;\n\t }\n\t if (failed) return;\n\t\n\t debug('probe transport \"%s\" opened', name);\n\t transport.send([{ type: 'ping', data: 'probe' }]);\n\t transport.once('packet', function (msg) {\n\t if (failed) return;\n\t if ('pong' === msg.type && 'probe' === msg.data) {\n\t debug('probe transport \"%s\" pong', name);\n\t self.upgrading = true;\n\t self.emit('upgrading', transport);\n\t if (!transport) return;\n\t Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\t\n\t debug('pausing current transport \"%s\"', self.transport.name);\n\t self.transport.pause(function () {\n\t if (failed) return;\n\t if ('closed' === self.readyState) return;\n\t debug('changing transport and sending upgrade packet');\n\t\n\t cleanup();\n\t\n\t self.setTransport(transport);\n\t transport.send([{ type: 'upgrade' }]);\n\t self.emit('upgrade', transport);\n\t transport = null;\n\t self.upgrading = false;\n\t self.flush();\n\t });\n\t } else {\n\t debug('probe transport \"%s\" failed', name);\n\t var err = new Error('probe error');\n\t err.transport = transport.name;\n\t self.emit('upgradeError', err);\n\t }\n\t });\n\t }\n\t\n\t function freezeTransport () {\n\t if (failed) return;\n\t\n\t // Any callback called by transport should be ignored since now\n\t failed = true;\n\t\n\t cleanup();\n\t\n\t transport.close();\n\t transport = null;\n\t }\n\t\n\t // Handle any error that happens while probing\n\t function onerror (err) {\n\t var error = new Error('probe error: ' + err);\n\t error.transport = transport.name;\n\t\n\t freezeTransport();\n\t\n\t debug('probe transport \"%s\" failed because of error: %s', name, err);\n\t\n\t self.emit('upgradeError', error);\n\t }\n\t\n\t function onTransportClose () {\n\t onerror('transport closed');\n\t }\n\t\n\t // When the socket is closed while we're probing\n\t function onclose () {\n\t onerror('socket closed');\n\t }\n\t\n\t // When the socket is upgraded while we're probing\n\t function onupgrade (to) {\n\t if (transport && to.name !== transport.name) {\n\t debug('\"%s\" works - aborting \"%s\"', to.name, transport.name);\n\t freezeTransport();\n\t }\n\t }\n\t\n\t // Remove all listeners on the transport and on self\n\t function cleanup () {\n\t transport.removeListener('open', onTransportOpen);\n\t transport.removeListener('error', onerror);\n\t transport.removeListener('close', onTransportClose);\n\t self.removeListener('close', onclose);\n\t self.removeListener('upgrading', onupgrade);\n\t }\n\t\n\t transport.once('open', onTransportOpen);\n\t transport.once('error', onerror);\n\t transport.once('close', onTransportClose);\n\t\n\t this.once('close', onclose);\n\t this.once('upgrading', onupgrade);\n\t\n\t transport.open();\n\t};\n\t\n\t/**\n\t * Called when connection is deemed open.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.prototype.onOpen = function () {\n\t debug('socket open');\n\t this.readyState = 'open';\n\t Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n\t this.emit('open');\n\t this.flush();\n\t\n\t // we check for `readyState` in case an `open`\n\t // listener already closed the socket\n\t if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n\t debug('starting upgrade probes');\n\t for (var i = 0, l = this.upgrades.length; i < l; i++) {\n\t this.probe(this.upgrades[i]);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Handles a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onPacket = function (packet) {\n\t if ('opening' === this.readyState || 'open' === this.readyState ||\n\t 'closing' === this.readyState) {\n\t debug('socket receive: type \"%s\", data \"%s\"', packet.type, packet.data);\n\t\n\t this.emit('packet', packet);\n\t\n\t // Socket is live - any packet counts\n\t this.emit('heartbeat');\n\t\n\t switch (packet.type) {\n\t case 'open':\n\t this.onHandshake(JSON.parse(packet.data));\n\t break;\n\t\n\t case 'pong':\n\t this.setPing();\n\t this.emit('pong');\n\t break;\n\t\n\t case 'error':\n\t var err = new Error('server error');\n\t err.code = packet.data;\n\t this.onError(err);\n\t break;\n\t\n\t case 'message':\n\t this.emit('data', packet.data);\n\t this.emit('message', packet.data);\n\t break;\n\t }\n\t } else {\n\t debug('packet received with socket readyState \"%s\"', this.readyState);\n\t }\n\t};\n\t\n\t/**\n\t * Called upon handshake completion.\n\t *\n\t * @param {Object} handshake obj\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onHandshake = function (data) {\n\t this.emit('handshake', data);\n\t this.id = data.sid;\n\t this.transport.query.sid = data.sid;\n\t this.upgrades = this.filterUpgrades(data.upgrades);\n\t this.pingInterval = data.pingInterval;\n\t this.pingTimeout = data.pingTimeout;\n\t this.onOpen();\n\t // In case open handler closes socket\n\t if ('closed' === this.readyState) return;\n\t this.setPing();\n\t\n\t // Prolong liveness of socket on heartbeat\n\t this.removeListener('heartbeat', this.onHeartbeat);\n\t this.on('heartbeat', this.onHeartbeat);\n\t};\n\t\n\t/**\n\t * Resets ping timeout.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onHeartbeat = function (timeout) {\n\t clearTimeout(this.pingTimeoutTimer);\n\t var self = this;\n\t self.pingTimeoutTimer = setTimeout(function () {\n\t if ('closed' === self.readyState) return;\n\t self.onClose('ping timeout');\n\t }, timeout || (self.pingInterval + self.pingTimeout));\n\t};\n\t\n\t/**\n\t * Pings server every `this.pingInterval` and expects response\n\t * within `this.pingTimeout` or closes connection.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.setPing = function () {\n\t var self = this;\n\t clearTimeout(self.pingIntervalTimer);\n\t self.pingIntervalTimer = setTimeout(function () {\n\t debug('writing ping packet - expecting pong within %sms', self.pingTimeout);\n\t self.ping();\n\t self.onHeartbeat(self.pingTimeout);\n\t }, self.pingInterval);\n\t};\n\t\n\t/**\n\t* Sends a ping packet.\n\t*\n\t* @api private\n\t*/\n\t\n\tSocket.prototype.ping = function () {\n\t var self = this;\n\t this.sendPacket('ping', function () {\n\t self.emit('ping');\n\t });\n\t};\n\t\n\t/**\n\t * Called on `drain` event\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onDrain = function () {\n\t this.writeBuffer.splice(0, this.prevBufferLen);\n\t\n\t // setting prevBufferLen = 0 is very important\n\t // for example, when upgrading, upgrade packet is sent over,\n\t // and a nonzero prevBufferLen could cause problems on `drain`\n\t this.prevBufferLen = 0;\n\t\n\t if (0 === this.writeBuffer.length) {\n\t this.emit('drain');\n\t } else {\n\t this.flush();\n\t }\n\t};\n\t\n\t/**\n\t * Flush write buffers.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.flush = function () {\n\t if ('closed' !== this.readyState && this.transport.writable &&\n\t !this.upgrading && this.writeBuffer.length) {\n\t debug('flushing %d packets in socket', this.writeBuffer.length);\n\t this.transport.send(this.writeBuffer);\n\t // keep track of current length of writeBuffer\n\t // splice writeBuffer and callbackBuffer on `drain`\n\t this.prevBufferLen = this.writeBuffer.length;\n\t this.emit('flush');\n\t }\n\t};\n\t\n\t/**\n\t * Sends a message.\n\t *\n\t * @param {String} message.\n\t * @param {Function} callback function.\n\t * @param {Object} options.\n\t * @return {Socket} for chaining.\n\t * @api public\n\t */\n\t\n\tSocket.prototype.write =\n\tSocket.prototype.send = function (msg, options, fn) {\n\t this.sendPacket('message', msg, options, fn);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a packet.\n\t *\n\t * @param {String} packet type.\n\t * @param {String} data.\n\t * @param {Object} options.\n\t * @param {Function} callback function.\n\t * @api private\n\t */\n\t\n\tSocket.prototype.sendPacket = function (type, data, options, fn) {\n\t if ('function' === typeof data) {\n\t fn = data;\n\t data = undefined;\n\t }\n\t\n\t if ('function' === typeof options) {\n\t fn = options;\n\t options = null;\n\t }\n\t\n\t if ('closing' === this.readyState || 'closed' === this.readyState) {\n\t return;\n\t }\n\t\n\t options = options || {};\n\t options.compress = false !== options.compress;\n\t\n\t var packet = {\n\t type: type,\n\t data: data,\n\t options: options\n\t };\n\t this.emit('packetCreate', packet);\n\t this.writeBuffer.push(packet);\n\t if (fn) this.once('flush', fn);\n\t this.flush();\n\t};\n\t\n\t/**\n\t * Closes the connection.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.close = function () {\n\t if ('opening' === this.readyState || 'open' === this.readyState) {\n\t this.readyState = 'closing';\n\t\n\t var self = this;\n\t\n\t if (this.writeBuffer.length) {\n\t this.once('drain', function () {\n\t if (this.upgrading) {\n\t waitForUpgrade();\n\t } else {\n\t close();\n\t }\n\t });\n\t } else if (this.upgrading) {\n\t waitForUpgrade();\n\t } else {\n\t close();\n\t }\n\t }\n\t\n\t function close () {\n\t self.onClose('forced close');\n\t debug('socket closing - telling transport to close');\n\t self.transport.close();\n\t }\n\t\n\t function cleanupAndClose () {\n\t self.removeListener('upgrade', cleanupAndClose);\n\t self.removeListener('upgradeError', cleanupAndClose);\n\t close();\n\t }\n\t\n\t function waitForUpgrade () {\n\t // wait for upgrade to finish since we can't send packets while pausing a transport\n\t self.once('upgrade', cleanupAndClose);\n\t self.once('upgradeError', cleanupAndClose);\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Called upon transport error\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onError = function (err) {\n\t debug('socket error %j', err);\n\t Socket.priorWebsocketSuccess = false;\n\t this.emit('error', err);\n\t this.onClose('transport error', err);\n\t};\n\t\n\t/**\n\t * Called upon transport close.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onClose = function (reason, desc) {\n\t if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n\t debug('socket close with reason: \"%s\"', reason);\n\t var self = this;\n\t\n\t // clear timers\n\t clearTimeout(this.pingIntervalTimer);\n\t clearTimeout(this.pingTimeoutTimer);\n\t\n\t // stop event from firing again for transport\n\t this.transport.removeAllListeners('close');\n\t\n\t // ensure transport won't stay open\n\t this.transport.close();\n\t\n\t // ignore further transport communication\n\t this.transport.removeAllListeners();\n\t\n\t // set ready state\n\t this.readyState = 'closed';\n\t\n\t // clear session id\n\t this.id = null;\n\t\n\t // emit close event\n\t this.emit('close', reason, desc);\n\t\n\t // clean buffers after, so users can still\n\t // grab the buffers on `close` event\n\t self.writeBuffer = [];\n\t self.prevBufferLen = 0;\n\t }\n\t};\n\t\n\t/**\n\t * Filters upgrades, returning only those matching client transports.\n\t *\n\t * @param {Array} server upgrades\n\t * @api private\n\t *\n\t */\n\t\n\tSocket.prototype.filterUpgrades = function (upgrades) {\n\t var filteredUpgrades = [];\n\t for (var i = 0, j = upgrades.length; i < j; i++) {\n\t if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n\t }\n\t return filteredUpgrades;\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies\n\t */\n\t\n\tvar XMLHttpRequest = __webpack_require__(17);\n\tvar XHR = __webpack_require__(19);\n\tvar JSONP = __webpack_require__(33);\n\tvar websocket = __webpack_require__(34);\n\t\n\t/**\n\t * Export transports.\n\t */\n\t\n\texports.polling = polling;\n\texports.websocket = websocket;\n\t\n\t/**\n\t * Polling transport polymorphic constructor.\n\t * Decides on xhr vs jsonp based on feature detection.\n\t *\n\t * @api private\n\t */\n\t\n\tfunction polling (opts) {\n\t var xhr;\n\t var xd = false;\n\t var xs = false;\n\t var jsonp = false !== opts.jsonp;\n\t\n\t if (global.location) {\n\t var isSSL = 'https:' === location.protocol;\n\t var port = location.port;\n\t\n\t // some user agents have empty `location.port`\n\t if (!port) {\n\t port = isSSL ? 443 : 80;\n\t }\n\t\n\t xd = opts.hostname !== location.hostname || port !== opts.port;\n\t xs = opts.secure !== isSSL;\n\t }\n\t\n\t opts.xdomain = xd;\n\t opts.xscheme = xs;\n\t xhr = new XMLHttpRequest(opts);\n\t\n\t if ('open' in xhr && !opts.forceJSONP) {\n\t return new XHR(opts);\n\t } else {\n\t if (!jsonp) throw new Error('JSONP disabled');\n\t return new JSONP(opts);\n\t }\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {// browser shim for xmlhttprequest module\n\t\n\tvar hasCORS = __webpack_require__(18);\n\t\n\tmodule.exports = function (opts) {\n\t var xdomain = opts.xdomain;\n\t\n\t // scheme must be same when usign XDomainRequest\n\t // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n\t var xscheme = opts.xscheme;\n\t\n\t // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n\t // https://github.com/Automattic/engine.io-client/pull/217\n\t var enablesXDR = opts.enablesXDR;\n\t\n\t // XMLHttpRequest can be disabled on IE\n\t try {\n\t if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n\t return new XMLHttpRequest();\n\t }\n\t } catch (e) { }\n\t\n\t // Use XDomainRequest for IE8 if enablesXDR is true\n\t // because loading bar keeps flashing when using jsonp-polling\n\t // https://github.com/yujiosaka/socke.io-ie8-loading-example\n\t try {\n\t if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {\n\t return new XDomainRequest();\n\t }\n\t } catch (e) { }\n\t\n\t if (!xdomain) {\n\t try {\n\t return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');\n\t } catch (e) { }\n\t }\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Module exports.\n\t *\n\t * Logic borrowed from Modernizr:\n\t *\n\t * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n\t */\n\t\n\ttry {\n\t module.exports = typeof XMLHttpRequest !== 'undefined' &&\n\t 'withCredentials' in new XMLHttpRequest();\n\t} catch (err) {\n\t // if XMLHttp support is disabled in IE then it will throw\n\t // when trying to create\n\t module.exports = false;\n\t}\n\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module requirements.\n\t */\n\t\n\tvar XMLHttpRequest = __webpack_require__(17);\n\tvar Polling = __webpack_require__(20);\n\tvar Emitter = __webpack_require__(8);\n\tvar inherit = __webpack_require__(31);\n\tvar debug = __webpack_require__(3)('engine.io-client:polling-xhr');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = XHR;\n\tmodule.exports.Request = Request;\n\t\n\t/**\n\t * Empty function\n\t */\n\t\n\tfunction empty () {}\n\t\n\t/**\n\t * XHR Polling constructor.\n\t *\n\t * @param {Object} opts\n\t * @api public\n\t */\n\t\n\tfunction XHR (opts) {\n\t Polling.call(this, opts);\n\t this.requestTimeout = opts.requestTimeout;\n\t this.extraHeaders = opts.extraHeaders;\n\t\n\t if (global.location) {\n\t var isSSL = 'https:' === location.protocol;\n\t var port = location.port;\n\t\n\t // some user agents have empty `location.port`\n\t if (!port) {\n\t port = isSSL ? 443 : 80;\n\t }\n\t\n\t this.xd = opts.hostname !== global.location.hostname ||\n\t port !== opts.port;\n\t this.xs = opts.secure !== isSSL;\n\t }\n\t}\n\t\n\t/**\n\t * Inherits from Polling.\n\t */\n\t\n\tinherit(XHR, Polling);\n\t\n\t/**\n\t * XHR supports binary\n\t */\n\t\n\tXHR.prototype.supportsBinary = true;\n\t\n\t/**\n\t * Creates a request.\n\t *\n\t * @param {String} method\n\t * @api private\n\t */\n\t\n\tXHR.prototype.request = function (opts) {\n\t opts = opts || {};\n\t opts.uri = this.uri();\n\t opts.xd = this.xd;\n\t opts.xs = this.xs;\n\t opts.agent = this.agent || false;\n\t opts.supportsBinary = this.supportsBinary;\n\t opts.enablesXDR = this.enablesXDR;\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t opts.requestTimeout = this.requestTimeout;\n\t\n\t // other options for Node.js client\n\t opts.extraHeaders = this.extraHeaders;\n\t\n\t return new Request(opts);\n\t};\n\t\n\t/**\n\t * Sends data.\n\t *\n\t * @param {String} data to send.\n\t * @param {Function} called upon flush.\n\t * @api private\n\t */\n\t\n\tXHR.prototype.doWrite = function (data, fn) {\n\t var isBinary = typeof data !== 'string' && data !== undefined;\n\t var req = this.request({ method: 'POST', data: data, isBinary: isBinary });\n\t var self = this;\n\t req.on('success', fn);\n\t req.on('error', function (err) {\n\t self.onError('xhr post error', err);\n\t });\n\t this.sendXhr = req;\n\t};\n\t\n\t/**\n\t * Starts a poll cycle.\n\t *\n\t * @api private\n\t */\n\t\n\tXHR.prototype.doPoll = function () {\n\t debug('xhr poll');\n\t var req = this.request();\n\t var self = this;\n\t req.on('data', function (data) {\n\t self.onData(data);\n\t });\n\t req.on('error', function (err) {\n\t self.onError('xhr poll error', err);\n\t });\n\t this.pollXhr = req;\n\t};\n\t\n\t/**\n\t * Request constructor\n\t *\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Request (opts) {\n\t this.method = opts.method || 'GET';\n\t this.uri = opts.uri;\n\t this.xd = !!opts.xd;\n\t this.xs = !!opts.xs;\n\t this.async = false !== opts.async;\n\t this.data = undefined !== opts.data ? opts.data : null;\n\t this.agent = opts.agent;\n\t this.isBinary = opts.isBinary;\n\t this.supportsBinary = opts.supportsBinary;\n\t this.enablesXDR = opts.enablesXDR;\n\t this.requestTimeout = opts.requestTimeout;\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx;\n\t this.key = opts.key;\n\t this.passphrase = opts.passphrase;\n\t this.cert = opts.cert;\n\t this.ca = opts.ca;\n\t this.ciphers = opts.ciphers;\n\t this.rejectUnauthorized = opts.rejectUnauthorized;\n\t\n\t // other options for Node.js client\n\t this.extraHeaders = opts.extraHeaders;\n\t\n\t this.create();\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Request.prototype);\n\t\n\t/**\n\t * Creates the XHR object and sends the request.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.create = function () {\n\t var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t\n\t var xhr = this.xhr = new XMLHttpRequest(opts);\n\t var self = this;\n\t\n\t try {\n\t debug('xhr open %s: %s', this.method, this.uri);\n\t xhr.open(this.method, this.uri, this.async);\n\t try {\n\t if (this.extraHeaders) {\n\t xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n\t for (var i in this.extraHeaders) {\n\t if (this.extraHeaders.hasOwnProperty(i)) {\n\t xhr.setRequestHeader(i, this.extraHeaders[i]);\n\t }\n\t }\n\t }\n\t } catch (e) {}\n\t\n\t if ('POST' === this.method) {\n\t try {\n\t if (this.isBinary) {\n\t xhr.setRequestHeader('Content-type', 'application/octet-stream');\n\t } else {\n\t xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');\n\t }\n\t } catch (e) {}\n\t }\n\t\n\t try {\n\t xhr.setRequestHeader('Accept', '*/*');\n\t } catch (e) {}\n\t\n\t // ie6 check\n\t if ('withCredentials' in xhr) {\n\t xhr.withCredentials = true;\n\t }\n\t\n\t if (this.requestTimeout) {\n\t xhr.timeout = this.requestTimeout;\n\t }\n\t\n\t if (this.hasXDR()) {\n\t xhr.onload = function () {\n\t self.onLoad();\n\t };\n\t xhr.onerror = function () {\n\t self.onError(xhr.responseText);\n\t };\n\t } else {\n\t xhr.onreadystatechange = function () {\n\t if (xhr.readyState === 2) {\n\t var contentType;\n\t try {\n\t contentType = xhr.getResponseHeader('Content-Type');\n\t } catch (e) {}\n\t if (contentType === 'application/octet-stream') {\n\t xhr.responseType = 'arraybuffer';\n\t }\n\t }\n\t if (4 !== xhr.readyState) return;\n\t if (200 === xhr.status || 1223 === xhr.status) {\n\t self.onLoad();\n\t } else {\n\t // make sure the `error` event handler that's user-set\n\t // does not throw in the same tick and gets caught here\n\t setTimeout(function () {\n\t self.onError(xhr.status);\n\t }, 0);\n\t }\n\t };\n\t }\n\t\n\t debug('xhr data %s', this.data);\n\t xhr.send(this.data);\n\t } catch (e) {\n\t // Need to defer since .create() is called directly fhrom the constructor\n\t // and thus the 'error' event can only be only bound *after* this exception\n\t // occurs. Therefore, also, we cannot throw here at all.\n\t setTimeout(function () {\n\t self.onError(e);\n\t }, 0);\n\t return;\n\t }\n\t\n\t if (global.document) {\n\t this.index = Request.requestsCount++;\n\t Request.requests[this.index] = this;\n\t }\n\t};\n\t\n\t/**\n\t * Called upon successful response.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onSuccess = function () {\n\t this.emit('success');\n\t this.cleanup();\n\t};\n\t\n\t/**\n\t * Called if we have data.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onData = function (data) {\n\t this.emit('data', data);\n\t this.onSuccess();\n\t};\n\t\n\t/**\n\t * Called upon error.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onError = function (err) {\n\t this.emit('error', err);\n\t this.cleanup(true);\n\t};\n\t\n\t/**\n\t * Cleans up house.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.cleanup = function (fromError) {\n\t if ('undefined' === typeof this.xhr || null === this.xhr) {\n\t return;\n\t }\n\t // xmlhttprequest\n\t if (this.hasXDR()) {\n\t this.xhr.onload = this.xhr.onerror = empty;\n\t } else {\n\t this.xhr.onreadystatechange = empty;\n\t }\n\t\n\t if (fromError) {\n\t try {\n\t this.xhr.abort();\n\t } catch (e) {}\n\t }\n\t\n\t if (global.document) {\n\t delete Request.requests[this.index];\n\t }\n\t\n\t this.xhr = null;\n\t};\n\t\n\t/**\n\t * Called upon load.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onLoad = function () {\n\t var data;\n\t try {\n\t var contentType;\n\t try {\n\t contentType = this.xhr.getResponseHeader('Content-Type');\n\t } catch (e) {}\n\t if (contentType === 'application/octet-stream') {\n\t data = this.xhr.response || this.xhr.responseText;\n\t } else {\n\t data = this.xhr.responseText;\n\t }\n\t } catch (e) {\n\t this.onError(e);\n\t }\n\t if (null != data) {\n\t this.onData(data);\n\t }\n\t};\n\t\n\t/**\n\t * Check if it has XDomainRequest.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.hasXDR = function () {\n\t return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;\n\t};\n\t\n\t/**\n\t * Aborts the request.\n\t *\n\t * @api public\n\t */\n\t\n\tRequest.prototype.abort = function () {\n\t this.cleanup();\n\t};\n\t\n\t/**\n\t * Aborts pending requests when unloading the window. This is needed to prevent\n\t * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n\t * emitted.\n\t */\n\t\n\tRequest.requestsCount = 0;\n\tRequest.requests = {};\n\t\n\tif (global.document) {\n\t if (global.attachEvent) {\n\t global.attachEvent('onunload', unloadHandler);\n\t } else if (global.addEventListener) {\n\t global.addEventListener('beforeunload', unloadHandler, false);\n\t }\n\t}\n\t\n\tfunction unloadHandler () {\n\t for (var i in Request.requests) {\n\t if (Request.requests.hasOwnProperty(i)) {\n\t Request.requests[i].abort();\n\t }\n\t }\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar Transport = __webpack_require__(21);\n\tvar parseqs = __webpack_require__(30);\n\tvar parser = __webpack_require__(22);\n\tvar inherit = __webpack_require__(31);\n\tvar yeast = __webpack_require__(32);\n\tvar debug = __webpack_require__(3)('engine.io-client:polling');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Polling;\n\t\n\t/**\n\t * Is XHR2 supported?\n\t */\n\t\n\tvar hasXHR2 = (function () {\n\t var XMLHttpRequest = __webpack_require__(17);\n\t var xhr = new XMLHttpRequest({ xdomain: false });\n\t return null != xhr.responseType;\n\t})();\n\t\n\t/**\n\t * Polling interface.\n\t *\n\t * @param {Object} opts\n\t * @api private\n\t */\n\t\n\tfunction Polling (opts) {\n\t var forceBase64 = (opts && opts.forceBase64);\n\t if (!hasXHR2 || forceBase64) {\n\t this.supportsBinary = false;\n\t }\n\t Transport.call(this, opts);\n\t}\n\t\n\t/**\n\t * Inherits from Transport.\n\t */\n\t\n\tinherit(Polling, Transport);\n\t\n\t/**\n\t * Transport name.\n\t */\n\t\n\tPolling.prototype.name = 'polling';\n\t\n\t/**\n\t * Opens the socket (triggers polling). We write a PING message to determine\n\t * when the transport is open.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.doOpen = function () {\n\t this.poll();\n\t};\n\t\n\t/**\n\t * Pauses polling.\n\t *\n\t * @param {Function} callback upon buffers are flushed and transport is paused\n\t * @api private\n\t */\n\t\n\tPolling.prototype.pause = function (onPause) {\n\t var self = this;\n\t\n\t this.readyState = 'pausing';\n\t\n\t function pause () {\n\t debug('paused');\n\t self.readyState = 'paused';\n\t onPause();\n\t }\n\t\n\t if (this.polling || !this.writable) {\n\t var total = 0;\n\t\n\t if (this.polling) {\n\t debug('we are currently polling - waiting to pause');\n\t total++;\n\t this.once('pollComplete', function () {\n\t debug('pre-pause polling complete');\n\t --total || pause();\n\t });\n\t }\n\t\n\t if (!this.writable) {\n\t debug('we are currently writing - waiting to pause');\n\t total++;\n\t this.once('drain', function () {\n\t debug('pre-pause writing complete');\n\t --total || pause();\n\t });\n\t }\n\t } else {\n\t pause();\n\t }\n\t};\n\t\n\t/**\n\t * Starts polling cycle.\n\t *\n\t * @api public\n\t */\n\t\n\tPolling.prototype.poll = function () {\n\t debug('polling');\n\t this.polling = true;\n\t this.doPoll();\n\t this.emit('poll');\n\t};\n\t\n\t/**\n\t * Overloads onData to detect payloads.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.onData = function (data) {\n\t var self = this;\n\t debug('polling got data %s', data);\n\t var callback = function (packet, index, total) {\n\t // if its the first message we consider the transport open\n\t if ('opening' === self.readyState) {\n\t self.onOpen();\n\t }\n\t\n\t // if its a close packet, we close the ongoing requests\n\t if ('close' === packet.type) {\n\t self.onClose();\n\t return false;\n\t }\n\t\n\t // otherwise bypass onData and handle the message\n\t self.onPacket(packet);\n\t };\n\t\n\t // decode payload\n\t parser.decodePayload(data, this.socket.binaryType, callback);\n\t\n\t // if an event did not trigger closing\n\t if ('closed' !== this.readyState) {\n\t // if we got data we're not polling\n\t this.polling = false;\n\t this.emit('pollComplete');\n\t\n\t if ('open' === this.readyState) {\n\t this.poll();\n\t } else {\n\t debug('ignoring poll - transport state \"%s\"', this.readyState);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * For polling, send a close packet.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.doClose = function () {\n\t var self = this;\n\t\n\t function close () {\n\t debug('writing close packet');\n\t self.write([{ type: 'close' }]);\n\t }\n\t\n\t if ('open' === this.readyState) {\n\t debug('transport open - closing');\n\t close();\n\t } else {\n\t // in case we're trying to close while\n\t // handshaking is in progress (GH-164)\n\t debug('transport not open - deferring close');\n\t this.once('open', close);\n\t }\n\t};\n\t\n\t/**\n\t * Writes a packets payload.\n\t *\n\t * @param {Array} data packets\n\t * @param {Function} drain callback\n\t * @api private\n\t */\n\t\n\tPolling.prototype.write = function (packets) {\n\t var self = this;\n\t this.writable = false;\n\t var callbackfn = function () {\n\t self.writable = true;\n\t self.emit('drain');\n\t };\n\t\n\t parser.encodePayload(packets, this.supportsBinary, function (data) {\n\t self.doWrite(data, callbackfn);\n\t });\n\t};\n\t\n\t/**\n\t * Generates uri for connection.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.uri = function () {\n\t var query = this.query || {};\n\t var schema = this.secure ? 'https' : 'http';\n\t var port = '';\n\t\n\t // cache busting is forced\n\t if (false !== this.timestampRequests) {\n\t query[this.timestampParam] = yeast();\n\t }\n\t\n\t if (!this.supportsBinary && !query.sid) {\n\t query.b64 = 1;\n\t }\n\t\n\t query = parseqs.encode(query);\n\t\n\t // avoid port if default for schema\n\t if (this.port && (('https' === schema && Number(this.port) !== 443) ||\n\t ('http' === schema && Number(this.port) !== 80))) {\n\t port = ':' + this.port;\n\t }\n\t\n\t // prepend ? to query\n\t if (query.length) {\n\t query = '?' + query;\n\t }\n\t\n\t var ipv6 = this.hostname.indexOf(':') !== -1;\n\t return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n\t};\n\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parser = __webpack_require__(22);\n\tvar Emitter = __webpack_require__(8);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Transport;\n\t\n\t/**\n\t * Transport abstract constructor.\n\t *\n\t * @param {Object} options.\n\t * @api private\n\t */\n\t\n\tfunction Transport (opts) {\n\t this.path = opts.path;\n\t this.hostname = opts.hostname;\n\t this.port = opts.port;\n\t this.secure = opts.secure;\n\t this.query = opts.query;\n\t this.timestampParam = opts.timestampParam;\n\t this.timestampRequests = opts.timestampRequests;\n\t this.readyState = '';\n\t this.agent = opts.agent || false;\n\t this.socket = opts.socket;\n\t this.enablesXDR = opts.enablesXDR;\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx;\n\t this.key = opts.key;\n\t this.passphrase = opts.passphrase;\n\t this.cert = opts.cert;\n\t this.ca = opts.ca;\n\t this.ciphers = opts.ciphers;\n\t this.rejectUnauthorized = opts.rejectUnauthorized;\n\t this.forceNode = opts.forceNode;\n\t\n\t // other options for Node.js client\n\t this.extraHeaders = opts.extraHeaders;\n\t this.localAddress = opts.localAddress;\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Transport.prototype);\n\t\n\t/**\n\t * Emits an error.\n\t *\n\t * @param {String} str\n\t * @return {Transport} for chaining\n\t * @api public\n\t */\n\t\n\tTransport.prototype.onError = function (msg, desc) {\n\t var err = new Error(msg);\n\t err.type = 'TransportError';\n\t err.description = desc;\n\t this.emit('error', err);\n\t return this;\n\t};\n\t\n\t/**\n\t * Opens the transport.\n\t *\n\t * @api public\n\t */\n\t\n\tTransport.prototype.open = function () {\n\t if ('closed' === this.readyState || '' === this.readyState) {\n\t this.readyState = 'opening';\n\t this.doOpen();\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Closes the transport.\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.close = function () {\n\t if ('opening' === this.readyState || 'open' === this.readyState) {\n\t this.doClose();\n\t this.onClose();\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends multiple packets.\n\t *\n\t * @param {Array} packets\n\t * @api private\n\t */\n\t\n\tTransport.prototype.send = function (packets) {\n\t if ('open' === this.readyState) {\n\t this.write(packets);\n\t } else {\n\t throw new Error('Transport not open');\n\t }\n\t};\n\t\n\t/**\n\t * Called upon open\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onOpen = function () {\n\t this.readyState = 'open';\n\t this.writable = true;\n\t this.emit('open');\n\t};\n\t\n\t/**\n\t * Called with data.\n\t *\n\t * @param {String} data\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onData = function (data) {\n\t var packet = parser.decodePacket(data, this.socket.binaryType);\n\t this.onPacket(packet);\n\t};\n\t\n\t/**\n\t * Called with a decoded packet.\n\t */\n\t\n\tTransport.prototype.onPacket = function (packet) {\n\t this.emit('packet', packet);\n\t};\n\t\n\t/**\n\t * Called upon close.\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onClose = function () {\n\t this.readyState = 'closed';\n\t this.emit('close');\n\t};\n\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies.\n\t */\n\t\n\tvar keys = __webpack_require__(23);\n\tvar hasBinary = __webpack_require__(9);\n\tvar sliceBuffer = __webpack_require__(24);\n\tvar after = __webpack_require__(25);\n\tvar utf8 = __webpack_require__(26);\n\t\n\tvar base64encoder;\n\tif (global && global.ArrayBuffer) {\n\t base64encoder = __webpack_require__(28);\n\t}\n\t\n\t/**\n\t * Check if we are running an android browser. That requires us to use\n\t * ArrayBuffer with polling transports...\n\t *\n\t * http://ghinda.net/jpeg-blob-ajax-android/\n\t */\n\t\n\tvar isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);\n\t\n\t/**\n\t * Check if we are running in PhantomJS.\n\t * Uploading a Blob with PhantomJS does not work correctly, as reported here:\n\t * https://github.com/ariya/phantomjs/issues/11395\n\t * @type boolean\n\t */\n\tvar isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);\n\t\n\t/**\n\t * When true, avoids using Blobs to encode payloads.\n\t * @type boolean\n\t */\n\tvar dontSendBlobs = isAndroid || isPhantomJS;\n\t\n\t/**\n\t * Current protocol version.\n\t */\n\t\n\texports.protocol = 3;\n\t\n\t/**\n\t * Packet types.\n\t */\n\t\n\tvar packets = exports.packets = {\n\t open: 0 // non-ws\n\t , close: 1 // non-ws\n\t , ping: 2\n\t , pong: 3\n\t , message: 4\n\t , upgrade: 5\n\t , noop: 6\n\t};\n\t\n\tvar packetslist = keys(packets);\n\t\n\t/**\n\t * Premade error packet.\n\t */\n\t\n\tvar err = { type: 'error', data: 'parser error' };\n\t\n\t/**\n\t * Create a blob api even for blob builder when vendor prefixes exist\n\t */\n\t\n\tvar Blob = __webpack_require__(29);\n\t\n\t/**\n\t * Encodes a packet.\n\t *\n\t * <packet type id> [ <data> ]\n\t *\n\t * Example:\n\t *\n\t * 5hello world\n\t * 3\n\t * 4\n\t *\n\t * Binary is encoded in an identical principle\n\t *\n\t * @api private\n\t */\n\t\n\texports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {\n\t if (typeof supportsBinary === 'function') {\n\t callback = supportsBinary;\n\t supportsBinary = false;\n\t }\n\t\n\t if (typeof utf8encode === 'function') {\n\t callback = utf8encode;\n\t utf8encode = null;\n\t }\n\t\n\t var data = (packet.data === undefined)\n\t ? undefined\n\t : packet.data.buffer || packet.data;\n\t\n\t if (global.ArrayBuffer && data instanceof ArrayBuffer) {\n\t return encodeArrayBuffer(packet, supportsBinary, callback);\n\t } else if (Blob && data instanceof global.Blob) {\n\t return encodeBlob(packet, supportsBinary, callback);\n\t }\n\t\n\t // might be an object with { base64: true, data: dataAsBase64String }\n\t if (data && data.base64) {\n\t return encodeBase64Object(packet, callback);\n\t }\n\t\n\t // Sending data as a utf-8 string\n\t var encoded = packets[packet.type];\n\t\n\t // data fragment is optional\n\t if (undefined !== packet.data) {\n\t encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);\n\t }\n\t\n\t return callback('' + encoded);\n\t\n\t};\n\t\n\tfunction encodeBase64Object(packet, callback) {\n\t // packet data is an object { base64: true, data: dataAsBase64String }\n\t var message = 'b' + exports.packets[packet.type] + packet.data.data;\n\t return callback(message);\n\t}\n\t\n\t/**\n\t * Encode packet helpers for binary types\n\t */\n\t\n\tfunction encodeArrayBuffer(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t var data = packet.data;\n\t var contentArray = new Uint8Array(data);\n\t var resultBuffer = new Uint8Array(1 + data.byteLength);\n\t\n\t resultBuffer[0] = packets[packet.type];\n\t for (var i = 0; i < contentArray.length; i++) {\n\t resultBuffer[i+1] = contentArray[i];\n\t }\n\t\n\t return callback(resultBuffer.buffer);\n\t}\n\t\n\tfunction encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t var fr = new FileReader();\n\t fr.onload = function() {\n\t packet.data = fr.result;\n\t exports.encodePacket(packet, supportsBinary, true, callback);\n\t };\n\t return fr.readAsArrayBuffer(packet.data);\n\t}\n\t\n\tfunction encodeBlob(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t if (dontSendBlobs) {\n\t return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);\n\t }\n\t\n\t var length = new Uint8Array(1);\n\t length[0] = packets[packet.type];\n\t var blob = new Blob([length.buffer, packet.data]);\n\t\n\t return callback(blob);\n\t}\n\t\n\t/**\n\t * Encodes a packet with binary data in a base64 string\n\t *\n\t * @param {Object} packet, has `type` and `data`\n\t * @return {String} base64 encoded message\n\t */\n\t\n\texports.encodeBase64Packet = function(packet, callback) {\n\t var message = 'b' + exports.packets[packet.type];\n\t if (Blob && packet.data instanceof global.Blob) {\n\t var fr = new FileReader();\n\t fr.onload = function() {\n\t var b64 = fr.result.split(',')[1];\n\t callback(message + b64);\n\t };\n\t return fr.readAsDataURL(packet.data);\n\t }\n\t\n\t var b64data;\n\t try {\n\t b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));\n\t } catch (e) {\n\t // iPhone Safari doesn't let you apply with typed arrays\n\t var typed = new Uint8Array(packet.data);\n\t var basic = new Array(typed.length);\n\t for (var i = 0; i < typed.length; i++) {\n\t basic[i] = typed[i];\n\t }\n\t b64data = String.fromCharCode.apply(null, basic);\n\t }\n\t message += global.btoa(b64data);\n\t return callback(message);\n\t};\n\t\n\t/**\n\t * Decodes a packet. Changes format to Blob if requested.\n\t *\n\t * @return {Object} with `type` and `data` (if any)\n\t * @api private\n\t */\n\t\n\texports.decodePacket = function (data, binaryType, utf8decode) {\n\t if (data === undefined) {\n\t return err;\n\t }\n\t // String data\n\t if (typeof data === 'string') {\n\t if (data.charAt(0) === 'b') {\n\t return exports.decodeBase64Packet(data.substr(1), binaryType);\n\t }\n\t\n\t if (utf8decode) {\n\t data = tryDecode(data);\n\t if (data === false) {\n\t return err;\n\t }\n\t }\n\t var type = data.charAt(0);\n\t\n\t if (Number(type) != type || !packetslist[type]) {\n\t return err;\n\t }\n\t\n\t if (data.length > 1) {\n\t return { type: packetslist[type], data: data.substring(1) };\n\t } else {\n\t return { type: packetslist[type] };\n\t }\n\t }\n\t\n\t var asArray = new Uint8Array(data);\n\t var type = asArray[0];\n\t var rest = sliceBuffer(data, 1);\n\t if (Blob && binaryType === 'blob') {\n\t rest = new Blob([rest]);\n\t }\n\t return { type: packetslist[type], data: rest };\n\t};\n\t\n\tfunction tryDecode(data) {\n\t try {\n\t data = utf8.decode(data, { strict: false });\n\t } catch (e) {\n\t return false;\n\t }\n\t return data;\n\t}\n\t\n\t/**\n\t * Decodes a packet encoded in a base64 string\n\t *\n\t * @param {String} base64 encoded message\n\t * @return {Object} with `type` and `data` (if any)\n\t */\n\t\n\texports.decodeBase64Packet = function(msg, binaryType) {\n\t var type = packetslist[msg.charAt(0)];\n\t if (!base64encoder) {\n\t return { type: type, data: { base64: true, data: msg.substr(1) } };\n\t }\n\t\n\t var data = base64encoder.decode(msg.substr(1));\n\t\n\t if (binaryType === 'blob' && Blob) {\n\t data = new Blob([data]);\n\t }\n\t\n\t return { type: type, data: data };\n\t};\n\t\n\t/**\n\t * Encodes multiple messages (payload).\n\t *\n\t * <length>:data\n\t *\n\t * Example:\n\t *\n\t * 11:hello world2:hi\n\t *\n\t * If any contents are binary, they will be encoded as base64 strings. Base64\n\t * encoded strings are marked with a b before the length specifier\n\t *\n\t * @param {Array} packets\n\t * @api private\n\t */\n\t\n\texports.encodePayload = function (packets, supportsBinary, callback) {\n\t if (typeof supportsBinary === 'function') {\n\t callback = supportsBinary;\n\t supportsBinary = null;\n\t }\n\t\n\t var isBinary = hasBinary(packets);\n\t\n\t if (supportsBinary && isBinary) {\n\t if (Blob && !dontSendBlobs) {\n\t return exports.encodePayloadAsBlob(packets, callback);\n\t }\n\t\n\t return exports.encodePayloadAsArrayBuffer(packets, callback);\n\t }\n\t\n\t if (!packets.length) {\n\t return callback('0:');\n\t }\n\t\n\t function setLengthHeader(message) {\n\t return message.length + ':' + message;\n\t }\n\t\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {\n\t doneCallback(null, setLengthHeader(message));\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, results) {\n\t return callback(results.join(''));\n\t });\n\t};\n\t\n\t/**\n\t * Async array map using after\n\t */\n\t\n\tfunction map(ary, each, done) {\n\t var result = new Array(ary.length);\n\t var next = after(ary.length, done);\n\t\n\t var eachWithIndex = function(i, el, cb) {\n\t each(el, function(error, msg) {\n\t result[i] = msg;\n\t cb(error, result);\n\t });\n\t };\n\t\n\t for (var i = 0; i < ary.length; i++) {\n\t eachWithIndex(i, ary[i], next);\n\t }\n\t}\n\t\n\t/*\n\t * Decodes data when a payload is maybe expected. Possible binary contents are\n\t * decoded from their base64 representation\n\t *\n\t * @param {String} data, callback method\n\t * @api public\n\t */\n\t\n\texports.decodePayload = function (data, binaryType, callback) {\n\t if (typeof data !== 'string') {\n\t return exports.decodePayloadAsBinary(data, binaryType, callback);\n\t }\n\t\n\t if (typeof binaryType === 'function') {\n\t callback = binaryType;\n\t binaryType = null;\n\t }\n\t\n\t var packet;\n\t if (data === '') {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t var length = '', n, msg;\n\t\n\t for (var i = 0, l = data.length; i < l; i++) {\n\t var chr = data.charAt(i);\n\t\n\t if (chr !== ':') {\n\t length += chr;\n\t continue;\n\t }\n\t\n\t if (length === '' || (length != (n = Number(length)))) {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t msg = data.substr(i + 1, n);\n\t\n\t if (length != msg.length) {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t if (msg.length) {\n\t packet = exports.decodePacket(msg, binaryType, false);\n\t\n\t if (err.type === packet.type && err.data === packet.data) {\n\t // parser error in individual packet - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t var ret = callback(packet, i + n, l);\n\t if (false === ret) return;\n\t }\n\t\n\t // advance cursor\n\t i += n;\n\t length = '';\n\t }\n\t\n\t if (length !== '') {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t};\n\t\n\t/**\n\t * Encodes multiple messages (payload) as binary.\n\t *\n\t * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number\n\t * 255><data>\n\t *\n\t * Example:\n\t * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers\n\t *\n\t * @param {Array} packets\n\t * @return {ArrayBuffer} encoded payload\n\t * @api private\n\t */\n\t\n\texports.encodePayloadAsArrayBuffer = function(packets, callback) {\n\t if (!packets.length) {\n\t return callback(new ArrayBuffer(0));\n\t }\n\t\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, true, true, function(data) {\n\t return doneCallback(null, data);\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, encodedPackets) {\n\t var totalLength = encodedPackets.reduce(function(acc, p) {\n\t var len;\n\t if (typeof p === 'string'){\n\t len = p.length;\n\t } else {\n\t len = p.byteLength;\n\t }\n\t return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2\n\t }, 0);\n\t\n\t var resultArray = new Uint8Array(totalLength);\n\t\n\t var bufferIndex = 0;\n\t encodedPackets.forEach(function(p) {\n\t var isString = typeof p === 'string';\n\t var ab = p;\n\t if (isString) {\n\t var view = new Uint8Array(p.length);\n\t for (var i = 0; i < p.length; i++) {\n\t view[i] = p.charCodeAt(i);\n\t }\n\t ab = view.buffer;\n\t }\n\t\n\t if (isString) { // not true binary\n\t resultArray[bufferIndex++] = 0;\n\t } else { // true binary\n\t resultArray[bufferIndex++] = 1;\n\t }\n\t\n\t var lenStr = ab.byteLength.toString();\n\t for (var i = 0; i < lenStr.length; i++) {\n\t resultArray[bufferIndex++] = parseInt(lenStr[i]);\n\t }\n\t resultArray[bufferIndex++] = 255;\n\t\n\t var view = new Uint8Array(ab);\n\t for (var i = 0; i < view.length; i++) {\n\t resultArray[bufferIndex++] = view[i];\n\t }\n\t });\n\t\n\t return callback(resultArray.buffer);\n\t });\n\t};\n\t\n\t/**\n\t * Encode as Blob\n\t */\n\t\n\texports.encodePayloadAsBlob = function(packets, callback) {\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, true, true, function(encoded) {\n\t var binaryIdentifier = new Uint8Array(1);\n\t binaryIdentifier[0] = 1;\n\t if (typeof encoded === 'string') {\n\t var view = new Uint8Array(encoded.length);\n\t for (var i = 0; i < encoded.length; i++) {\n\t view[i] = encoded.charCodeAt(i);\n\t }\n\t encoded = view.buffer;\n\t binaryIdentifier[0] = 0;\n\t }\n\t\n\t var len = (encoded instanceof ArrayBuffer)\n\t ? encoded.byteLength\n\t : encoded.size;\n\t\n\t var lenStr = len.toString();\n\t var lengthAry = new Uint8Array(lenStr.length + 1);\n\t for (var i = 0; i < lenStr.length; i++) {\n\t lengthAry[i] = parseInt(lenStr[i]);\n\t }\n\t lengthAry[lenStr.length] = 255;\n\t\n\t if (Blob) {\n\t var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);\n\t doneCallback(null, blob);\n\t }\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, results) {\n\t return callback(new Blob(results));\n\t });\n\t};\n\t\n\t/*\n\t * Decodes data when a payload is maybe expected. Strings are decoded by\n\t * interpreting each byte as a key code for entries marked to start with 0. See\n\t * description of encodePayloadAsBinary\n\t *\n\t * @param {ArrayBuffer} data, callback method\n\t * @api public\n\t */\n\t\n\texports.decodePayloadAsBinary = function (data, binaryType, callback) {\n\t if (typeof binaryType === 'function') {\n\t callback = binaryType;\n\t binaryType = null;\n\t }\n\t\n\t var bufferTail = data;\n\t var buffers = [];\n\t\n\t while (bufferTail.byteLength > 0) {\n\t var tailArray = new Uint8Array(bufferTail);\n\t var isString = tailArray[0] === 0;\n\t var msgLength = '';\n\t\n\t for (var i = 1; ; i++) {\n\t if (tailArray[i] === 255) break;\n\t\n\t // 310 = char length of Number.MAX_VALUE\n\t if (msgLength.length > 310) {\n\t return callback(err, 0, 1);\n\t }\n\t\n\t msgLength += tailArray[i];\n\t }\n\t\n\t bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);\n\t msgLength = parseInt(msgLength);\n\t\n\t var msg = sliceBuffer(bufferTail, 0, msgLength);\n\t if (isString) {\n\t try {\n\t msg = String.fromCharCode.apply(null, new Uint8Array(msg));\n\t } catch (e) {\n\t // iPhone Safari doesn't let you apply to typed arrays\n\t var typed = new Uint8Array(msg);\n\t msg = '';\n\t for (var i = 0; i < typed.length; i++) {\n\t msg += String.fromCharCode(typed[i]);\n\t }\n\t }\n\t }\n\t\n\t buffers.push(msg);\n\t bufferTail = sliceBuffer(bufferTail, msgLength);\n\t }\n\t\n\t var total = buffers.length;\n\t buffers.forEach(function(buffer, i) {\n\t callback(exports.decodePacket(buffer, binaryType, true), i, total);\n\t });\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Gets the keys for an object.\n\t *\n\t * @return {Array} keys\n\t * @api private\n\t */\n\t\n\tmodule.exports = Object.keys || function keys (obj){\n\t var arr = [];\n\t var has = Object.prototype.hasOwnProperty;\n\t\n\t for (var i in obj) {\n\t if (has.call(obj, i)) {\n\t arr.push(i);\n\t }\n\t }\n\t return arr;\n\t};\n\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * An abstraction for slicing an arraybuffer even when\n\t * ArrayBuffer.prototype.slice is not supported\n\t *\n\t * @api public\n\t */\n\t\n\tmodule.exports = function(arraybuffer, start, end) {\n\t var bytes = arraybuffer.byteLength;\n\t start = start || 0;\n\t end = end || bytes;\n\t\n\t if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\t\n\t if (start < 0) { start += bytes; }\n\t if (end < 0) { end += bytes; }\n\t if (end > bytes) { end = bytes; }\n\t\n\t if (start >= bytes || start >= end || bytes === 0) {\n\t return new ArrayBuffer(0);\n\t }\n\t\n\t var abv = new Uint8Array(arraybuffer);\n\t var result = new Uint8Array(end - start);\n\t for (var i = start, ii = 0; i < end; i++, ii++) {\n\t result[ii] = abv[i];\n\t }\n\t return result.buffer;\n\t};\n\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = after\n\t\n\tfunction after(count, callback, err_cb) {\n\t var bail = false\n\t err_cb = err_cb || noop\n\t proxy.count = count\n\t\n\t return (count === 0) ? callback() : proxy\n\t\n\t function proxy(err, result) {\n\t if (proxy.count <= 0) {\n\t throw new Error('after called too many times')\n\t }\n\t --proxy.count\n\t\n\t // after first error, rest are passed to err_cb\n\t if (err) {\n\t bail = true\n\t callback(err)\n\t // future error callbacks will go to error handler\n\t callback = err_cb\n\t } else if (proxy.count === 0 && !bail) {\n\t callback(null, result)\n\t }\n\t }\n\t}\n\t\n\tfunction noop() {}\n\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/*! https://mths.be/utf8js v2.1.2 by @mathias */\n\t;(function(root) {\n\t\n\t\t// Detect free variables `exports`\n\t\tvar freeExports = typeof exports == 'object' && exports;\n\t\n\t\t// Detect free variable `module`\n\t\tvar freeModule = typeof module == 'object' && module &&\n\t\t\tmodule.exports == freeExports && module;\n\t\n\t\t// Detect free variable `global`, from Node.js or Browserified code,\n\t\t// and use it as `root`\n\t\tvar freeGlobal = typeof global == 'object' && global;\n\t\tif (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {\n\t\t\troot = freeGlobal;\n\t\t}\n\t\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tvar stringFromCharCode = String.fromCharCode;\n\t\n\t\t// Taken from https://mths.be/punycode\n\t\tfunction ucs2decode(string) {\n\t\t\tvar output = [];\n\t\t\tvar counter = 0;\n\t\t\tvar length = string.length;\n\t\t\tvar value;\n\t\t\tvar extra;\n\t\t\twhile (counter < length) {\n\t\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\t\toutput.push(value);\n\t\t\t\t\t\tcounter--;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\toutput.push(value);\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn output;\n\t\t}\n\t\n\t\t// Taken from https://mths.be/punycode\n\t\tfunction ucs2encode(array) {\n\t\t\tvar length = array.length;\n\t\t\tvar index = -1;\n\t\t\tvar value;\n\t\t\tvar output = '';\n\t\t\twhile (++index < length) {\n\t\t\t\tvalue = array[index];\n\t\t\t\tif (value > 0xFFFF) {\n\t\t\t\t\tvalue -= 0x10000;\n\t\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t\t}\n\t\t\t\toutput += stringFromCharCode(value);\n\t\t\t}\n\t\t\treturn output;\n\t\t}\n\t\n\t\tfunction checkScalarValue(codePoint, strict) {\n\t\t\tif (codePoint >= 0xD800 && codePoint <= 0xDFFF) {\n\t\t\t\tif (strict) {\n\t\t\t\t\tthrow Error(\n\t\t\t\t\t\t'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +\n\t\t\t\t\t\t' is not a scalar value'\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tfunction createByte(codePoint, shift) {\n\t\t\treturn stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);\n\t\t}\n\t\n\t\tfunction encodeCodePoint(codePoint, strict) {\n\t\t\tif ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence\n\t\t\t\treturn stringFromCharCode(codePoint);\n\t\t\t}\n\t\t\tvar symbol = '';\n\t\t\tif ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence\n\t\t\t\tsymbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);\n\t\t\t}\n\t\t\telse if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence\n\t\t\t\tif (!checkScalarValue(codePoint, strict)) {\n\t\t\t\t\tcodePoint = 0xFFFD;\n\t\t\t\t}\n\t\t\t\tsymbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);\n\t\t\t\tsymbol += createByte(codePoint, 6);\n\t\t\t}\n\t\t\telse if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence\n\t\t\t\tsymbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);\n\t\t\t\tsymbol += createByte(codePoint, 12);\n\t\t\t\tsymbol += createByte(codePoint, 6);\n\t\t\t}\n\t\t\tsymbol += stringFromCharCode((codePoint & 0x3F) | 0x80);\n\t\t\treturn symbol;\n\t\t}\n\t\n\t\tfunction utf8encode(string, opts) {\n\t\t\topts = opts || {};\n\t\t\tvar strict = false !== opts.strict;\n\t\n\t\t\tvar codePoints = ucs2decode(string);\n\t\t\tvar length = codePoints.length;\n\t\t\tvar index = -1;\n\t\t\tvar codePoint;\n\t\t\tvar byteString = '';\n\t\t\twhile (++index < length) {\n\t\t\t\tcodePoint = codePoints[index];\n\t\t\t\tbyteString += encodeCodePoint(codePoint, strict);\n\t\t\t}\n\t\t\treturn byteString;\n\t\t}\n\t\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tfunction readContinuationByte() {\n\t\t\tif (byteIndex >= byteCount) {\n\t\t\t\tthrow Error('Invalid byte index');\n\t\t\t}\n\t\n\t\t\tvar continuationByte = byteArray[byteIndex] & 0xFF;\n\t\t\tbyteIndex++;\n\t\n\t\t\tif ((continuationByte & 0xC0) == 0x80) {\n\t\t\t\treturn continuationByte & 0x3F;\n\t\t\t}\n\t\n\t\t\t// If we end up here, it’s not a continuation byte\n\t\t\tthrow Error('Invalid continuation byte');\n\t\t}\n\t\n\t\tfunction decodeSymbol(strict) {\n\t\t\tvar byte1;\n\t\t\tvar byte2;\n\t\t\tvar byte3;\n\t\t\tvar byte4;\n\t\t\tvar codePoint;\n\t\n\t\t\tif (byteIndex > byteCount) {\n\t\t\t\tthrow Error('Invalid byte index');\n\t\t\t}\n\t\n\t\t\tif (byteIndex == byteCount) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\n\t\t\t// Read first byte\n\t\t\tbyte1 = byteArray[byteIndex] & 0xFF;\n\t\t\tbyteIndex++;\n\t\n\t\t\t// 1-byte sequence (no continuation bytes)\n\t\t\tif ((byte1 & 0x80) == 0) {\n\t\t\t\treturn byte1;\n\t\t\t}\n\t\n\t\t\t// 2-byte sequence\n\t\t\tif ((byte1 & 0xE0) == 0xC0) {\n\t\t\t\tbyte2 = readContinuationByte();\n\t\t\t\tcodePoint = ((byte1 & 0x1F) << 6) | byte2;\n\t\t\t\tif (codePoint >= 0x80) {\n\t\t\t\t\treturn codePoint;\n\t\t\t\t} else {\n\t\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t\t}\n\t\t\t}\n\t\n\t\t\t// 3-byte sequence (may include unpaired surrogates)\n\t\t\tif ((byte1 & 0xF0) == 0xE0) {\n\t\t\t\tbyte2 = readContinuationByte();\n\t\t\t\tbyte3 = readContinuationByte();\n\t\t\t\tcodePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;\n\t\t\t\tif (codePoint >= 0x0800) {\n\t\t\t\t\treturn checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;\n\t\t\t\t} else {\n\t\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t\t}\n\t\t\t}\n\t\n\t\t\t// 4-byte sequence\n\t\t\tif ((byte1 & 0xF8) == 0xF0) {\n\t\t\t\tbyte2 = readContinuationByte();\n\t\t\t\tbyte3 = readContinuationByte();\n\t\t\t\tbyte4 = readContinuationByte();\n\t\t\t\tcodePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |\n\t\t\t\t\t(byte3 << 0x06) | byte4;\n\t\t\t\tif (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {\n\t\t\t\t\treturn codePoint;\n\t\t\t\t}\n\t\t\t}\n\t\n\t\t\tthrow Error('Invalid UTF-8 detected');\n\t\t}\n\t\n\t\tvar byteArray;\n\t\tvar byteCount;\n\t\tvar byteIndex;\n\t\tfunction utf8decode(byteString, opts) {\n\t\t\topts = opts || {};\n\t\t\tvar strict = false !== opts.strict;\n\t\n\t\t\tbyteArray = ucs2decode(byteString);\n\t\t\tbyteCount = byteArray.length;\n\t\t\tbyteIndex = 0;\n\t\t\tvar codePoints = [];\n\t\t\tvar tmp;\n\t\t\twhile ((tmp = decodeSymbol(strict)) !== false) {\n\t\t\t\tcodePoints.push(tmp);\n\t\t\t}\n\t\t\treturn ucs2encode(codePoints);\n\t\t}\n\t\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tvar utf8 = {\n\t\t\t'version': '2.1.2',\n\t\t\t'encode': utf8encode,\n\t\t\t'decode': utf8decode\n\t\t};\n\t\n\t\t// Some AMD build optimizers, like r.js, check for specific condition patterns\n\t\t// like the following:\n\t\tif (\n\t\t\ttrue\n\t\t) {\n\t\t\t!(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t\t\t\treturn utf8;\n\t\t\t}.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t\t}\telse if (freeExports && !freeExports.nodeType) {\n\t\t\tif (freeModule) { // in Node.js or RingoJS v0.8.0+\n\t\t\t\tfreeModule.exports = utf8;\n\t\t\t} else { // in Narwhal or RingoJS v0.7.0-\n\t\t\t\tvar object = {};\n\t\t\t\tvar hasOwnProperty = object.hasOwnProperty;\n\t\t\t\tfor (var key in utf8) {\n\t\t\t\t\thasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);\n\t\t\t\t}\n\t\t\t}\n\t\t} else { // in Rhino or a web browser\n\t\t\troot.utf8 = utf8;\n\t\t}\n\t\n\t}(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(27)(module), (function() { return this; }())))\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(module) {\r\n\t\tif(!module.webpackPolyfill) {\r\n\t\t\tmodule.deprecate = function() {};\r\n\t\t\tmodule.paths = [];\r\n\t\t\t// module.parent = undefined by default\r\n\t\t\tmodule.children = [];\r\n\t\t\tmodule.webpackPolyfill = 1;\r\n\t\t}\r\n\t\treturn module;\r\n\t}\r\n\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports) {\n\n\t/*\n\t * base64-arraybuffer\n\t * https://github.com/niklasvh/base64-arraybuffer\n\t *\n\t * Copyright (c) 2012 Niklas von Hertzen\n\t * Licensed under the MIT license.\n\t */\n\t(function(){\n\t \"use strict\";\n\t\n\t var chars = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\t\n\t // Use a lookup table to find the index.\n\t var lookup = new Uint8Array(256);\n\t for (var i = 0; i < chars.length; i++) {\n\t lookup[chars.charCodeAt(i)] = i;\n\t }\n\t\n\t exports.encode = function(arraybuffer) {\n\t var bytes = new Uint8Array(arraybuffer),\n\t i, len = bytes.length, base64 = \"\";\n\t\n\t for (i = 0; i < len; i+=3) {\n\t base64 += chars[bytes[i] >> 2];\n\t base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n\t base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n\t base64 += chars[bytes[i + 2] & 63];\n\t }\n\t\n\t if ((len % 3) === 2) {\n\t base64 = base64.substring(0, base64.length - 1) + \"=\";\n\t } else if (len % 3 === 1) {\n\t base64 = base64.substring(0, base64.length - 2) + \"==\";\n\t }\n\t\n\t return base64;\n\t };\n\t\n\t exports.decode = function(base64) {\n\t var bufferLength = base64.length * 0.75,\n\t len = base64.length, i, p = 0,\n\t encoded1, encoded2, encoded3, encoded4;\n\t\n\t if (base64[base64.length - 1] === \"=\") {\n\t bufferLength--;\n\t if (base64[base64.length - 2] === \"=\") {\n\t bufferLength--;\n\t }\n\t }\n\t\n\t var arraybuffer = new ArrayBuffer(bufferLength),\n\t bytes = new Uint8Array(arraybuffer);\n\t\n\t for (i = 0; i < len; i+=4) {\n\t encoded1 = lookup[base64.charCodeAt(i)];\n\t encoded2 = lookup[base64.charCodeAt(i+1)];\n\t encoded3 = lookup[base64.charCodeAt(i+2)];\n\t encoded4 = lookup[base64.charCodeAt(i+3)];\n\t\n\t bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n\t bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n\t bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n\t }\n\t\n\t return arraybuffer;\n\t };\n\t})();\n\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Create a blob builder even when vendor prefixes exist\n\t */\n\t\n\tvar BlobBuilder = global.BlobBuilder\n\t || global.WebKitBlobBuilder\n\t || global.MSBlobBuilder\n\t || global.MozBlobBuilder;\n\t\n\t/**\n\t * Check if Blob constructor is supported\n\t */\n\t\n\tvar blobSupported = (function() {\n\t try {\n\t var a = new Blob(['hi']);\n\t return a.size === 2;\n\t } catch(e) {\n\t return false;\n\t }\n\t})();\n\t\n\t/**\n\t * Check if Blob constructor supports ArrayBufferViews\n\t * Fails in Safari 6, so we need to map to ArrayBuffers there.\n\t */\n\t\n\tvar blobSupportsArrayBufferView = blobSupported && (function() {\n\t try {\n\t var b = new Blob([new Uint8Array([1,2])]);\n\t return b.size === 2;\n\t } catch(e) {\n\t return false;\n\t }\n\t})();\n\t\n\t/**\n\t * Check if BlobBuilder is supported\n\t */\n\t\n\tvar blobBuilderSupported = BlobBuilder\n\t && BlobBuilder.prototype.append\n\t && BlobBuilder.prototype.getBlob;\n\t\n\t/**\n\t * Helper function that maps ArrayBufferViews to ArrayBuffers\n\t * Used by BlobBuilder constructor and old browsers that didn't\n\t * support it in the Blob constructor.\n\t */\n\t\n\tfunction mapArrayBufferViews(ary) {\n\t for (var i = 0; i < ary.length; i++) {\n\t var chunk = ary[i];\n\t if (chunk.buffer instanceof ArrayBuffer) {\n\t var buf = chunk.buffer;\n\t\n\t // if this is a subarray, make a copy so we only\n\t // include the subarray region from the underlying buffer\n\t if (chunk.byteLength !== buf.byteLength) {\n\t var copy = new Uint8Array(chunk.byteLength);\n\t copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\n\t buf = copy.buffer;\n\t }\n\t\n\t ary[i] = buf;\n\t }\n\t }\n\t}\n\t\n\tfunction BlobBuilderConstructor(ary, options) {\n\t options = options || {};\n\t\n\t var bb = new BlobBuilder();\n\t mapArrayBufferViews(ary);\n\t\n\t for (var i = 0; i < ary.length; i++) {\n\t bb.append(ary[i]);\n\t }\n\t\n\t return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\n\t};\n\t\n\tfunction BlobConstructor(ary, options) {\n\t mapArrayBufferViews(ary);\n\t return new Blob(ary, options || {});\n\t};\n\t\n\tmodule.exports = (function() {\n\t if (blobSupported) {\n\t return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;\n\t } else if (blobBuilderSupported) {\n\t return BlobBuilderConstructor;\n\t } else {\n\t return undefined;\n\t }\n\t})();\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports) {\n\n\t/**\r\n\t * Compiles a querystring\r\n\t * Returns string representation of the object\r\n\t *\r\n\t * @param {Object}\r\n\t * @api private\r\n\t */\r\n\t\r\n\texports.encode = function (obj) {\r\n\t var str = '';\r\n\t\r\n\t for (var i in obj) {\r\n\t if (obj.hasOwnProperty(i)) {\r\n\t if (str.length) str += '&';\r\n\t str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\r\n\t }\r\n\t }\r\n\t\r\n\t return str;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Parses a simple querystring into an object\r\n\t *\r\n\t * @param {String} qs\r\n\t * @api private\r\n\t */\r\n\t\r\n\texports.decode = function(qs){\r\n\t var qry = {};\r\n\t var pairs = qs.split('&');\r\n\t for (var i = 0, l = pairs.length; i < l; i++) {\r\n\t var pair = pairs[i].split('=');\r\n\t qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\r\n\t }\r\n\t return qry;\r\n\t};\r\n\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports) {\n\n\t\n\tmodule.exports = function(a, b){\n\t var fn = function(){};\n\t fn.prototype = b.prototype;\n\t a.prototype = new fn;\n\t a.prototype.constructor = a;\n\t};\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports) {\n\n\t'use strict';\n\t\n\tvar alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')\n\t , length = 64\n\t , map = {}\n\t , seed = 0\n\t , i = 0\n\t , prev;\n\t\n\t/**\n\t * Return a string representing the specified number.\n\t *\n\t * @param {Number} num The number to convert.\n\t * @returns {String} The string representation of the number.\n\t * @api public\n\t */\n\tfunction encode(num) {\n\t var encoded = '';\n\t\n\t do {\n\t encoded = alphabet[num % length] + encoded;\n\t num = Math.floor(num / length);\n\t } while (num > 0);\n\t\n\t return encoded;\n\t}\n\t\n\t/**\n\t * Return the integer value specified by the given string.\n\t *\n\t * @param {String} str The string to convert.\n\t * @returns {Number} The integer value represented by the string.\n\t * @api public\n\t */\n\tfunction decode(str) {\n\t var decoded = 0;\n\t\n\t for (i = 0; i < str.length; i++) {\n\t decoded = decoded * length + map[str.charAt(i)];\n\t }\n\t\n\t return decoded;\n\t}\n\t\n\t/**\n\t * Yeast: A tiny growing id generator.\n\t *\n\t * @returns {String} A unique id.\n\t * @api public\n\t */\n\tfunction yeast() {\n\t var now = encode(+new Date());\n\t\n\t if (now !== prev) return seed = 0, prev = now;\n\t return now +'.'+ encode(seed++);\n\t}\n\t\n\t//\n\t// Map each character to its index.\n\t//\n\tfor (; i < length; i++) map[alphabet[i]] = i;\n\t\n\t//\n\t// Expose the `yeast`, `encode` and `decode` functions.\n\t//\n\tyeast.encode = encode;\n\tyeast.decode = decode;\n\tmodule.exports = yeast;\n\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {\n\t/**\n\t * Module requirements.\n\t */\n\t\n\tvar Polling = __webpack_require__(20);\n\tvar inherit = __webpack_require__(31);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = JSONPPolling;\n\t\n\t/**\n\t * Cached regular expressions.\n\t */\n\t\n\tvar rNewline = /\\n/g;\n\tvar rEscapedNewline = /\\\\n/g;\n\t\n\t/**\n\t * Global JSONP callbacks.\n\t */\n\t\n\tvar callbacks;\n\t\n\t/**\n\t * Noop.\n\t */\n\t\n\tfunction empty () { }\n\t\n\t/**\n\t * JSONP Polling constructor.\n\t *\n\t * @param {Object} opts.\n\t * @api public\n\t */\n\t\n\tfunction JSONPPolling (opts) {\n\t Polling.call(this, opts);\n\t\n\t this.query = this.query || {};\n\t\n\t // define global callbacks array if not present\n\t // we do this here (lazily) to avoid unneeded global pollution\n\t if (!callbacks) {\n\t // we need to consider multiple engines in the same page\n\t if (!global.___eio) global.___eio = [];\n\t callbacks = global.___eio;\n\t }\n\t\n\t // callback identifier\n\t this.index = callbacks.length;\n\t\n\t // add callback to jsonp global\n\t var self = this;\n\t callbacks.push(function (msg) {\n\t self.onData(msg);\n\t });\n\t\n\t // append to query string\n\t this.query.j = this.index;\n\t\n\t // prevent spurious errors from being emitted when the window is unloaded\n\t if (global.document && global.addEventListener) {\n\t global.addEventListener('beforeunload', function () {\n\t if (self.script) self.script.onerror = empty;\n\t }, false);\n\t }\n\t}\n\t\n\t/**\n\t * Inherits from Polling.\n\t */\n\t\n\tinherit(JSONPPolling, Polling);\n\t\n\t/*\n\t * JSONP only supports binary as base64 encoded strings\n\t */\n\t\n\tJSONPPolling.prototype.supportsBinary = false;\n\t\n\t/**\n\t * Closes the socket.\n\t *\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doClose = function () {\n\t if (this.script) {\n\t this.script.parentNode.removeChild(this.script);\n\t this.script = null;\n\t }\n\t\n\t if (this.form) {\n\t this.form.parentNode.removeChild(this.form);\n\t this.form = null;\n\t this.iframe = null;\n\t }\n\t\n\t Polling.prototype.doClose.call(this);\n\t};\n\t\n\t/**\n\t * Starts a poll cycle.\n\t *\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doPoll = function () {\n\t var self = this;\n\t var script = document.createElement('script');\n\t\n\t if (this.script) {\n\t this.script.parentNode.removeChild(this.script);\n\t this.script = null;\n\t }\n\t\n\t script.async = true;\n\t script.src = this.uri();\n\t script.onerror = function (e) {\n\t self.onError('jsonp poll error', e);\n\t };\n\t\n\t var insertAt = document.getElementsByTagName('script')[0];\n\t if (insertAt) {\n\t insertAt.parentNode.insertBefore(script, insertAt);\n\t } else {\n\t (document.head || document.body).appendChild(script);\n\t }\n\t this.script = script;\n\t\n\t var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\t\n\t if (isUAgecko) {\n\t setTimeout(function () {\n\t var iframe = document.createElement('iframe');\n\t document.body.appendChild(iframe);\n\t document.body.removeChild(iframe);\n\t }, 100);\n\t }\n\t};\n\t\n\t/**\n\t * Writes with a hidden iframe.\n\t *\n\t * @param {String} data to send\n\t * @param {Function} called upon flush.\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doWrite = function (data, fn) {\n\t var self = this;\n\t\n\t if (!this.form) {\n\t var form = document.createElement('form');\n\t var area = document.createElement('textarea');\n\t var id = this.iframeId = 'eio_iframe_' + this.index;\n\t var iframe;\n\t\n\t form.className = 'socketio';\n\t form.style.position = 'absolute';\n\t form.style.top = '-1000px';\n\t form.style.left = '-1000px';\n\t form.target = id;\n\t form.method = 'POST';\n\t form.setAttribute('accept-charset', 'utf-8');\n\t area.name = 'd';\n\t form.appendChild(area);\n\t document.body.appendChild(form);\n\t\n\t this.form = form;\n\t this.area = area;\n\t }\n\t\n\t this.form.action = this.uri();\n\t\n\t function complete () {\n\t initIframe();\n\t fn();\n\t }\n\t\n\t function initIframe () {\n\t if (self.iframe) {\n\t try {\n\t self.form.removeChild(self.iframe);\n\t } catch (e) {\n\t self.onError('jsonp polling iframe removal error', e);\n\t }\n\t }\n\t\n\t try {\n\t // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n\t var html = '<iframe src=\"javascript:0\" name=\"' + self.iframeId + '\">';\n\t iframe = document.createElement(html);\n\t } catch (e) {\n\t iframe = document.createElement('iframe');\n\t iframe.name = self.iframeId;\n\t iframe.src = 'javascript:0';\n\t }\n\t\n\t iframe.id = self.iframeId;\n\t\n\t self.form.appendChild(iframe);\n\t self.iframe = iframe;\n\t }\n\t\n\t initIframe();\n\t\n\t // escape \\n to prevent it from being converted into \\r\\n by some UAs\n\t // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side\n\t data = data.replace(rEscapedNewline, '\\\\\\n');\n\t this.area.value = data.replace(rNewline, '\\\\n');\n\t\n\t try {\n\t this.form.submit();\n\t } catch (e) {}\n\t\n\t if (this.iframe.attachEvent) {\n\t this.iframe.onreadystatechange = function () {\n\t if (self.iframe.readyState === 'complete') {\n\t complete();\n\t }\n\t };\n\t } else {\n\t this.iframe.onload = complete;\n\t }\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies.\n\t */\n\t\n\tvar Transport = __webpack_require__(21);\n\tvar parser = __webpack_require__(22);\n\tvar parseqs = __webpack_require__(30);\n\tvar inherit = __webpack_require__(31);\n\tvar yeast = __webpack_require__(32);\n\tvar debug = __webpack_require__(3)('engine.io-client:websocket');\n\tvar BrowserWebSocket = global.WebSocket || global.MozWebSocket;\n\tvar NodeWebSocket;\n\tif (typeof window === 'undefined') {\n\t try {\n\t NodeWebSocket = __webpack_require__(35);\n\t } catch (e) { }\n\t}\n\t\n\t/**\n\t * Get either the `WebSocket` or `MozWebSocket` globals\n\t * in the browser or try to resolve WebSocket-compatible\n\t * interface exposed by `ws` for Node-like environment.\n\t */\n\t\n\tvar WebSocket = BrowserWebSocket;\n\tif (!WebSocket && typeof window === 'undefined') {\n\t WebSocket = NodeWebSocket;\n\t}\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = WS;\n\t\n\t/**\n\t * WebSocket transport constructor.\n\t *\n\t * @api {Object} connection options\n\t * @api public\n\t */\n\t\n\tfunction WS (opts) {\n\t var forceBase64 = (opts && opts.forceBase64);\n\t if (forceBase64) {\n\t this.supportsBinary = false;\n\t }\n\t this.perMessageDeflate = opts.perMessageDeflate;\n\t this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;\n\t this.protocols = opts.protocols;\n\t if (!this.usingBrowserWebSocket) {\n\t WebSocket = NodeWebSocket;\n\t }\n\t Transport.call(this, opts);\n\t}\n\t\n\t/**\n\t * Inherits from Transport.\n\t */\n\t\n\tinherit(WS, Transport);\n\t\n\t/**\n\t * Transport name.\n\t *\n\t * @api public\n\t */\n\t\n\tWS.prototype.name = 'websocket';\n\t\n\t/*\n\t * WebSockets support binary\n\t */\n\t\n\tWS.prototype.supportsBinary = true;\n\t\n\t/**\n\t * Opens socket.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.doOpen = function () {\n\t if (!this.check()) {\n\t // let probe timeout\n\t return;\n\t }\n\t\n\t var uri = this.uri();\n\t var protocols = this.protocols;\n\t var opts = {\n\t agent: this.agent,\n\t perMessageDeflate: this.perMessageDeflate\n\t };\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t if (this.extraHeaders) {\n\t opts.headers = this.extraHeaders;\n\t }\n\t if (this.localAddress) {\n\t opts.localAddress = this.localAddress;\n\t }\n\t\n\t try {\n\t this.ws = this.usingBrowserWebSocket ? (protocols ? new WebSocket(uri, protocols) : new WebSocket(uri)) : new WebSocket(uri, protocols, opts);\n\t } catch (err) {\n\t return this.emit('error', err);\n\t }\n\t\n\t if (this.ws.binaryType === undefined) {\n\t this.supportsBinary = false;\n\t }\n\t\n\t if (this.ws.supports && this.ws.supports.binary) {\n\t this.supportsBinary = true;\n\t this.ws.binaryType = 'nodebuffer';\n\t } else {\n\t this.ws.binaryType = 'arraybuffer';\n\t }\n\t\n\t this.addEventListeners();\n\t};\n\t\n\t/**\n\t * Adds event listeners to the socket\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.addEventListeners = function () {\n\t var self = this;\n\t\n\t this.ws.onopen = function () {\n\t self.onOpen();\n\t };\n\t this.ws.onclose = function () {\n\t self.onClose();\n\t };\n\t this.ws.onmessage = function (ev) {\n\t self.onData(ev.data);\n\t };\n\t this.ws.onerror = function (e) {\n\t self.onError('websocket error', e);\n\t };\n\t};\n\t\n\t/**\n\t * Writes data to socket.\n\t *\n\t * @param {Array} array of packets.\n\t * @api private\n\t */\n\t\n\tWS.prototype.write = function (packets) {\n\t var self = this;\n\t this.writable = false;\n\t\n\t // encodePacket efficient as it uses WS framing\n\t // no need for encodePayload\n\t var total = packets.length;\n\t for (var i = 0, l = total; i < l; i++) {\n\t (function (packet) {\n\t parser.encodePacket(packet, self.supportsBinary, function (data) {\n\t if (!self.usingBrowserWebSocket) {\n\t // always create a new object (GH-437)\n\t var opts = {};\n\t if (packet.options) {\n\t opts.compress = packet.options.compress;\n\t }\n\t\n\t if (self.perMessageDeflate) {\n\t var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;\n\t if (len < self.perMessageDeflate.threshold) {\n\t opts.compress = false;\n\t }\n\t }\n\t }\n\t\n\t // Sometimes the websocket has already been closed but the browser didn't\n\t // have a chance of informing us about it yet, in that case send will\n\t // throw an error\n\t try {\n\t if (self.usingBrowserWebSocket) {\n\t // TypeError is thrown when passing the second argument on Safari\n\t self.ws.send(data);\n\t } else {\n\t self.ws.send(data, opts);\n\t }\n\t } catch (e) {\n\t debug('websocket closed before onclose event');\n\t }\n\t\n\t --total || done();\n\t });\n\t })(packets[i]);\n\t }\n\t\n\t function done () {\n\t self.emit('flush');\n\t\n\t // fake drain\n\t // defer to next tick to allow Socket to clear writeBuffer\n\t setTimeout(function () {\n\t self.writable = true;\n\t self.emit('drain');\n\t }, 0);\n\t }\n\t};\n\t\n\t/**\n\t * Called upon close\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.onClose = function () {\n\t Transport.prototype.onClose.call(this);\n\t};\n\t\n\t/**\n\t * Closes socket.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.doClose = function () {\n\t if (typeof this.ws !== 'undefined') {\n\t this.ws.close();\n\t }\n\t};\n\t\n\t/**\n\t * Generates uri for connection.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.uri = function () {\n\t var query = this.query || {};\n\t var schema = this.secure ? 'wss' : 'ws';\n\t var port = '';\n\t\n\t // avoid port if default for schema\n\t if (this.port && (('wss' === schema && Number(this.port) !== 443) ||\n\t ('ws' === schema && Number(this.port) !== 80))) {\n\t port = ':' + this.port;\n\t }\n\t\n\t // append timestamp to URI\n\t if (this.timestampRequests) {\n\t query[this.timestampParam] = yeast();\n\t }\n\t\n\t // communicate binary support capabilities\n\t if (!this.supportsBinary) {\n\t query.b64 = 1;\n\t }\n\t\n\t query = parseqs.encode(query);\n\t\n\t // prepend ? to query\n\t if (query.length) {\n\t query = '?' + query;\n\t }\n\t\n\t var ipv6 = this.hostname.indexOf(':') !== -1;\n\t return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n\t};\n\t\n\t/**\n\t * Feature detection for WebSocket.\n\t *\n\t * @return {Boolean} whether this transport is available.\n\t * @api public\n\t */\n\t\n\tWS.prototype.check = function () {\n\t return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 35 */\n/***/ (function(module, exports) {\n\n\t/* (ignored) */\n\n/***/ }),\n/* 36 */\n/***/ (function(module, exports) {\n\n\t\n\tvar indexOf = [].indexOf;\n\t\n\tmodule.exports = function(arr, obj){\n\t if (indexOf) return arr.indexOf(obj);\n\t for (var i = 0; i < arr.length; ++i) {\n\t if (arr[i] === obj) return i;\n\t }\n\t return -1;\n\t};\n\n/***/ }),\n/* 37 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parser = __webpack_require__(7);\n\tvar Emitter = __webpack_require__(8);\n\tvar toArray = __webpack_require__(38);\n\tvar on = __webpack_require__(39);\n\tvar bind = __webpack_require__(40);\n\tvar debug = __webpack_require__(3)('socket.io-client:socket');\n\tvar parseqs = __webpack_require__(30);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = exports = Socket;\n\t\n\t/**\n\t * Internal events (blacklisted).\n\t * These events can't be emitted by the user.\n\t *\n\t * @api private\n\t */\n\t\n\tvar events = {\n\t connect: 1,\n\t connect_error: 1,\n\t connect_timeout: 1,\n\t connecting: 1,\n\t disconnect: 1,\n\t error: 1,\n\t reconnect: 1,\n\t reconnect_attempt: 1,\n\t reconnect_failed: 1,\n\t reconnect_error: 1,\n\t reconnecting: 1,\n\t ping: 1,\n\t pong: 1\n\t};\n\t\n\t/**\n\t * Shortcut to `Emitter#emit`.\n\t */\n\t\n\tvar emit = Emitter.prototype.emit;\n\t\n\t/**\n\t * `Socket` constructor.\n\t *\n\t * @api public\n\t */\n\t\n\tfunction Socket(io, nsp, opts) {\n\t this.io = io;\n\t this.nsp = nsp;\n\t this.json = this; // compat\n\t this.ids = 0;\n\t this.acks = {};\n\t this.receiveBuffer = [];\n\t this.sendBuffer = [];\n\t this.connected = false;\n\t this.disconnected = true;\n\t if (opts && opts.query) {\n\t this.query = opts.query;\n\t }\n\t if (this.io.autoConnect) this.open();\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Socket.prototype);\n\t\n\t/**\n\t * Subscribe to open, close and packet events\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.subEvents = function () {\n\t if (this.subs) return;\n\t\n\t var io = this.io;\n\t this.subs = [on(io, 'open', bind(this, 'onopen')), on(io, 'packet', bind(this, 'onpacket')), on(io, 'close', bind(this, 'onclose'))];\n\t};\n\t\n\t/**\n\t * \"Opens\" the socket.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.prototype.open = Socket.prototype.connect = function () {\n\t if (this.connected) return this;\n\t\n\t this.subEvents();\n\t this.io.open(); // ensure open\n\t if ('open' === this.io.readyState) this.onopen();\n\t this.emit('connecting');\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a `message` event.\n\t *\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.send = function () {\n\t var args = toArray(arguments);\n\t args.unshift('message');\n\t this.emit.apply(this, args);\n\t return this;\n\t};\n\t\n\t/**\n\t * Override `emit`.\n\t * If the event is in `events`, it's emitted normally.\n\t *\n\t * @param {String} event name\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.emit = function (ev) {\n\t if (events.hasOwnProperty(ev)) {\n\t emit.apply(this, arguments);\n\t return this;\n\t }\n\t\n\t var args = toArray(arguments);\n\t var packet = { type: parser.EVENT, data: args };\n\t\n\t packet.options = {};\n\t packet.options.compress = !this.flags || false !== this.flags.compress;\n\t\n\t // event ack callback\n\t if ('function' === typeof args[args.length - 1]) {\n\t debug('emitting packet with ack id %d', this.ids);\n\t this.acks[this.ids] = args.pop();\n\t packet.id = this.ids++;\n\t }\n\t\n\t if (this.connected) {\n\t this.packet(packet);\n\t } else {\n\t this.sendBuffer.push(packet);\n\t }\n\t\n\t delete this.flags;\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.packet = function (packet) {\n\t packet.nsp = this.nsp;\n\t this.io.packet(packet);\n\t};\n\t\n\t/**\n\t * Called upon engine `open`.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onopen = function () {\n\t debug('transport is open - connecting');\n\t\n\t // write connect packet if necessary\n\t if ('/' !== this.nsp) {\n\t if (this.query) {\n\t var query = _typeof(this.query) === 'object' ? parseqs.encode(this.query) : this.query;\n\t debug('sending connect packet with query %s', query);\n\t this.packet({ type: parser.CONNECT, query: query });\n\t } else {\n\t this.packet({ type: parser.CONNECT });\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Called upon engine `close`.\n\t *\n\t * @param {String} reason\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onclose = function (reason) {\n\t debug('close (%s)', reason);\n\t this.connected = false;\n\t this.disconnected = true;\n\t delete this.id;\n\t this.emit('disconnect', reason);\n\t};\n\t\n\t/**\n\t * Called with socket packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onpacket = function (packet) {\n\t if (packet.nsp !== this.nsp) return;\n\t\n\t switch (packet.type) {\n\t case parser.CONNECT:\n\t this.onconnect();\n\t break;\n\t\n\t case parser.EVENT:\n\t this.onevent(packet);\n\t break;\n\t\n\t case parser.BINARY_EVENT:\n\t this.onevent(packet);\n\t break;\n\t\n\t case parser.ACK:\n\t this.onack(packet);\n\t break;\n\t\n\t case parser.BINARY_ACK:\n\t this.onack(packet);\n\t break;\n\t\n\t case parser.DISCONNECT:\n\t this.ondisconnect();\n\t break;\n\t\n\t case parser.ERROR:\n\t this.emit('error', packet.data);\n\t break;\n\t }\n\t};\n\t\n\t/**\n\t * Called upon a server event.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onevent = function (packet) {\n\t var args = packet.data || [];\n\t debug('emitting event %j', args);\n\t\n\t if (null != packet.id) {\n\t debug('attaching ack callback to event');\n\t args.push(this.ack(packet.id));\n\t }\n\t\n\t if (this.connected) {\n\t emit.apply(this, args);\n\t } else {\n\t this.receiveBuffer.push(args);\n\t }\n\t};\n\t\n\t/**\n\t * Produces an ack callback to emit with an event.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.ack = function (id) {\n\t var self = this;\n\t var sent = false;\n\t return function () {\n\t // prevent double callbacks\n\t if (sent) return;\n\t sent = true;\n\t var args = toArray(arguments);\n\t debug('sending ack %j', args);\n\t\n\t self.packet({\n\t type: parser.ACK,\n\t id: id,\n\t data: args\n\t });\n\t };\n\t};\n\t\n\t/**\n\t * Called upon a server acknowlegement.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onack = function (packet) {\n\t var ack = this.acks[packet.id];\n\t if ('function' === typeof ack) {\n\t debug('calling ack %s with %j', packet.id, packet.data);\n\t ack.apply(this, packet.data);\n\t delete this.acks[packet.id];\n\t } else {\n\t debug('bad ack %s', packet.id);\n\t }\n\t};\n\t\n\t/**\n\t * Called upon server connect.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onconnect = function () {\n\t this.connected = true;\n\t this.disconnected = false;\n\t this.emit('connect');\n\t this.emitBuffered();\n\t};\n\t\n\t/**\n\t * Emit buffered events (received and emitted).\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.emitBuffered = function () {\n\t var i;\n\t for (i = 0; i < this.receiveBuffer.length; i++) {\n\t emit.apply(this, this.receiveBuffer[i]);\n\t }\n\t this.receiveBuffer = [];\n\t\n\t for (i = 0; i < this.sendBuffer.length; i++) {\n\t this.packet(this.sendBuffer[i]);\n\t }\n\t this.sendBuffer = [];\n\t};\n\t\n\t/**\n\t * Called upon server disconnect.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.ondisconnect = function () {\n\t debug('server disconnect (%s)', this.nsp);\n\t this.destroy();\n\t this.onclose('io server disconnect');\n\t};\n\t\n\t/**\n\t * Called upon forced client/server side disconnections,\n\t * this method ensures the manager stops tracking us and\n\t * that reconnections don't get triggered for this.\n\t *\n\t * @api private.\n\t */\n\t\n\tSocket.prototype.destroy = function () {\n\t if (this.subs) {\n\t // clean subscriptions to avoid reconnections\n\t for (var i = 0; i < this.subs.length; i++) {\n\t this.subs[i].destroy();\n\t }\n\t this.subs = null;\n\t }\n\t\n\t this.io.destroy(this);\n\t};\n\t\n\t/**\n\t * Disconnects the socket manually.\n\t *\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.close = Socket.prototype.disconnect = function () {\n\t if (this.connected) {\n\t debug('performing disconnect (%s)', this.nsp);\n\t this.packet({ type: parser.DISCONNECT });\n\t }\n\t\n\t // remove socket from pool\n\t this.destroy();\n\t\n\t if (this.connected) {\n\t // fire events\n\t this.onclose('io client disconnect');\n\t }\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the compress flag.\n\t *\n\t * @param {Boolean} if `true`, compresses the sending data\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.compress = function (compress) {\n\t this.flags = this.flags || {};\n\t this.flags.compress = compress;\n\t return this;\n\t};\n\n/***/ }),\n/* 38 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = toArray\n\t\n\tfunction toArray(list, index) {\n\t var array = []\n\t\n\t index = index || 0\n\t\n\t for (var i = index || 0; i < list.length; i++) {\n\t array[i - index] = list[i]\n\t }\n\t\n\t return array\n\t}\n\n\n/***/ }),\n/* 39 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = on;\n\t\n\t/**\n\t * Helper for subscriptions.\n\t *\n\t * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`\n\t * @param {String} event name\n\t * @param {Function} callback\n\t * @api public\n\t */\n\t\n\tfunction on(obj, ev, fn) {\n\t obj.on(ev, fn);\n\t return {\n\t destroy: function destroy() {\n\t obj.removeListener(ev, fn);\n\t }\n\t };\n\t}\n\n/***/ }),\n/* 40 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * Slice reference.\n\t */\n\t\n\tvar slice = [].slice;\n\t\n\t/**\n\t * Bind `obj` to `fn`.\n\t *\n\t * @param {Object} obj\n\t * @param {Function|String} fn or string\n\t * @return {Function}\n\t * @api public\n\t */\n\t\n\tmodule.exports = function(obj, fn){\n\t if ('string' == typeof fn) fn = obj[fn];\n\t if ('function' != typeof fn) throw new Error('bind() requires a function');\n\t var args = slice.call(arguments, 2);\n\t return function(){\n\t return fn.apply(obj, args.concat(slice.call(arguments)));\n\t }\n\t};\n\n\n/***/ }),\n/* 41 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Expose `Backoff`.\n\t */\n\t\n\tmodule.exports = Backoff;\n\t\n\t/**\n\t * Initialize backoff timer with `opts`.\n\t *\n\t * - `min` initial timeout in milliseconds [100]\n\t * - `max` max timeout [10000]\n\t * - `jitter` [0]\n\t * - `factor` [2]\n\t *\n\t * @param {Object} opts\n\t * @api public\n\t */\n\t\n\tfunction Backoff(opts) {\n\t opts = opts || {};\n\t this.ms = opts.min || 100;\n\t this.max = opts.max || 10000;\n\t this.factor = opts.factor || 2;\n\t this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n\t this.attempts = 0;\n\t}\n\t\n\t/**\n\t * Return the backoff duration.\n\t *\n\t * @return {Number}\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.duration = function(){\n\t var ms = this.ms * Math.pow(this.factor, this.attempts++);\n\t if (this.jitter) {\n\t var rand = Math.random();\n\t var deviation = Math.floor(rand * this.jitter * ms);\n\t ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n\t }\n\t return Math.min(ms, this.max) | 0;\n\t};\n\t\n\t/**\n\t * Reset the number of attempts.\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.reset = function(){\n\t this.attempts = 0;\n\t};\n\t\n\t/**\n\t * Set the minimum duration\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setMin = function(min){\n\t this.ms = min;\n\t};\n\t\n\t/**\n\t * Set the maximum duration\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setMax = function(max){\n\t this.max = max;\n\t};\n\t\n\t/**\n\t * Set the jitter\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setJitter = function(jitter){\n\t this.jitter = jitter;\n\t};\n\t\n\n\n/***/ })\n/******/ ])\n});\n;\n\n\n// WEBPACK FOOTER //\n// socket.io.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap f3e3798a37484284568a","\n/**\n * Module dependencies.\n */\n\nvar url = require('./url');\nvar parser = require('socket.io-parser');\nvar Manager = require('./manager');\nvar debug = require('debug')('socket.io-client');\n\n/**\n * Module exports.\n */\n\nmodule.exports = exports = lookup;\n\n/**\n * Managers cache.\n */\n\nvar cache = exports.managers = {};\n\n/**\n * Looks up an existing `Manager` for multiplexing.\n * If the user summons:\n *\n * `io('http://localhost/a');`\n * `io('http://localhost/b');`\n *\n * We reuse the existing instance based on same scheme/port/host,\n * and we initialize sockets for each namespace.\n *\n * @api public\n */\n\nfunction lookup (uri, opts) {\n if (typeof uri === 'object') {\n opts = uri;\n uri = undefined;\n }\n\n opts = opts || {};\n\n var parsed = url(uri);\n var source = parsed.source;\n var id = parsed.id;\n var path = parsed.path;\n var sameNamespace = cache[id] && path in cache[id].nsps;\n var newConnection = opts.forceNew || opts['force new connection'] ||\n false === opts.multiplex || sameNamespace;\n\n var io;\n\n if (newConnection) {\n debug('ignoring socket cache for %s', source);\n io = Manager(source, opts);\n } else {\n if (!cache[id]) {\n debug('new io instance for %s', source);\n cache[id] = Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.query;\n }\n return io.socket(parsed.path, opts);\n}\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nexports.protocol = parser.protocol;\n\n/**\n * `connect`.\n *\n * @param {String} uri\n * @api public\n */\n\nexports.connect = lookup;\n\n/**\n * Expose constructors for standalone build.\n *\n * @api public\n */\n\nexports.Manager = require('./manager');\nexports.Socket = require('./socket');\n\n\n\n// WEBPACK FOOTER //\n// ./lib/index.js","\n/**\n * Module dependencies.\n */\n\nvar parseuri = require('parseuri');\nvar debug = require('debug')('socket.io-client:url');\n\n/**\n * Module exports.\n */\n\nmodule.exports = url;\n\n/**\n * URL parser.\n *\n * @param {String} url\n * @param {Object} An object meant to mimic window.location.\n * Defaults to window.location.\n * @api public\n */\n\nfunction url (uri, loc) {\n var obj = uri;\n\n // default to window.location\n loc = loc || global.location;\n if (null == uri) uri = loc.protocol + '//' + loc.host;\n\n // relative path support\n if ('string' === typeof uri) {\n if ('/' === uri.charAt(0)) {\n if ('/' === uri.charAt(1)) {\n uri = loc.protocol + uri;\n } else {\n uri = loc.host + uri;\n }\n }\n\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n debug('protocol-less url %s', uri);\n if ('undefined' !== typeof loc) {\n uri = loc.protocol + '//' + uri;\n } else {\n uri = 'https://' + uri;\n }\n }\n\n // parse\n debug('parse %s', uri);\n obj = parseuri(uri);\n }\n\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = '80';\n } else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = '443';\n }\n }\n\n obj.path = obj.path || '/';\n\n var ipv6 = obj.host.indexOf(':') !== -1;\n var host = ipv6 ? '[' + obj.host + ']' : obj.host;\n\n // define unique id\n obj.id = obj.protocol + '://' + host + ':' + obj.port;\n // define href\n obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : (':' + obj.port));\n\n return obj;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./lib/url.js","/**\r\n * Parses an URI\r\n *\r\n * @author Steven Levithan <stevenlevithan.com> (MIT license)\r\n * @api private\r\n */\r\n\r\nvar re = /^(?:(?![^:@]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\r\n\r\nvar parts = [\r\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\r\n];\r\n\r\nmodule.exports = function parseuri(str) {\r\n var src = str,\r\n b = str.indexOf('['),\r\n e = str.indexOf(']');\r\n\r\n if (b != -1 && e != -1) {\r\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\r\n }\r\n\r\n var m = re.exec(str || ''),\r\n uri = {},\r\n i = 14;\r\n\r\n while (i--) {\r\n uri[parts[i]] = m[i] || '';\r\n }\r\n\r\n if (b != -1 && e != -1) {\r\n uri.source = src;\r\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\r\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\r\n uri.ipv6uri = true;\r\n }\r\n\r\n return uri;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/parseuri/index.js\n// module id = 2\n// module chunks = 0","/**\n * This is the web browser implementation of `debug()`.\n *\n * Expose `debug()` as the module.\n */\n\nexports = module.exports = require('./debug');\nexports.log = log;\nexports.formatArgs = formatArgs;\nexports.save = save;\nexports.load = load;\nexports.useColors = useColors;\nexports.storage = 'undefined' != typeof chrome\n && 'undefined' != typeof chrome.storage\n ? chrome.storage.local\n : localstorage();\n\n/**\n * Colors.\n */\n\nexports.colors = [\n 'lightseagreen',\n 'forestgreen',\n 'goldenrod',\n 'dodgerblue',\n 'darkorchid',\n 'crimson'\n];\n\n/**\n * Currently only WebKit-based Web Inspectors, Firefox >= v31,\n * and the Firebug extension (any Firefox version) are known\n * to support \"%c\" CSS customizations.\n *\n * TODO: add a `localStorage` variable to explicitly enable/disable colors\n */\n\nfunction useColors() {\n // NB: In an Electron preload script, document will be defined but not fully\n // initialized. Since we know we're in Chrome, we'll just detect this case\n // explicitly\n if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {\n return true;\n }\n\n // is webkit? http://stackoverflow.com/a/16459606/376773\n // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632\n return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||\n // is firebug? http://stackoverflow.com/a/398120/376773\n (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||\n // is firefox >= v31?\n // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages\n (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\\/(\\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||\n // double check webkit in userAgent just in case we are in a worker\n (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\\/(\\d+)/));\n}\n\n/**\n * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.\n */\n\nexports.formatters.j = function(v) {\n try {\n return JSON.stringify(v);\n } catch (err) {\n return '[UnexpectedJSONParseError]: ' + err.message;\n }\n};\n\n\n/**\n * Colorize log arguments if enabled.\n *\n * @api public\n */\n\nfunction formatArgs(args) {\n var useColors = this.useColors;\n\n args[0] = (useColors ? '%c' : '')\n + this.namespace\n + (useColors ? ' %c' : ' ')\n + args[0]\n + (useColors ? '%c ' : ' ')\n + '+' + exports.humanize(this.diff);\n\n if (!useColors) return;\n\n var c = 'color: ' + this.color;\n args.splice(1, 0, c, 'color: inherit')\n\n // the final \"%c\" is somewhat tricky, because there could be other\n // arguments passed either before or after the %c, so we need to\n // figure out the correct index to insert the CSS into\n var index = 0;\n var lastC = 0;\n args[0].replace(/%[a-zA-Z%]/g, function(match) {\n if ('%%' === match) return;\n index++;\n if ('%c' === match) {\n // we only are interested in the *last* %c\n // (the user may have provided their own)\n lastC = index;\n }\n });\n\n args.splice(lastC, 0, c);\n}\n\n/**\n * Invokes `console.log()` when available.\n * No-op when `console.log` is not a \"function\".\n *\n * @api public\n */\n\nfunction log() {\n // this hackery is required for IE8/9, where\n // the `console.log` function doesn't have 'apply'\n return 'object' === typeof console\n && console.log\n && Function.prototype.apply.call(console.log, console, arguments);\n}\n\n/**\n * Save `namespaces`.\n *\n * @param {String} namespaces\n * @api private\n */\n\nfunction save(namespaces) {\n try {\n if (null == namespaces) {\n exports.storage.removeItem('debug');\n } else {\n exports.storage.debug = namespaces;\n }\n } catch(e) {}\n}\n\n/**\n * Load `namespaces`.\n *\n * @return {String} returns the previously persisted debug modes\n * @api private\n */\n\nfunction load() {\n var r;\n try {\n r = exports.storage.debug;\n } catch(e) {}\n\n // If debug isn't set in LS, and we're in Electron, try to load $DEBUG\n if (!r && typeof process !== 'undefined' && 'env' in process) {\n r = process.env.DEBUG;\n }\n\n return r;\n}\n\n/**\n * Enable namespaces listed in `localStorage.debug` initially.\n */\n\nexports.enable(load());\n\n/**\n * Localstorage attempts to return the localstorage.\n *\n * This is necessary because safari throws\n * when a user disables cookies/localstorage\n * and you attempt to access it.\n *\n * @return {LocalStorage}\n * @api private\n */\n\nfunction localstorage() {\n try {\n return window.localStorage;\n } catch (e) {}\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/debug/src/browser.js\n// module id = 3\n// module chunks = 0","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things. But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals. It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n throw new Error('clearTimeout has not been defined');\n}\n(function () {\n try {\n if (typeof setTimeout === 'function') {\n cachedSetTimeout = setTimeout;\n } else {\n cachedSetTimeout = defaultSetTimout;\n }\n } catch (e) {\n cachedSetTimeout = defaultSetTimout;\n }\n try {\n if (typeof clearTimeout === 'function') {\n cachedClearTimeout = clearTimeout;\n } else {\n cachedClearTimeout = defaultClearTimeout;\n }\n } catch (e) {\n cachedClearTimeout = defaultClearTimeout;\n }\n} ())\nfunction runTimeout(fun) {\n if (cachedSetTimeout === setTimeout) {\n //normal enviroments in sane situations\n return setTimeout(fun, 0);\n }\n // if setTimeout wasn't available but was latter defined\n if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n cachedSetTimeout = setTimeout;\n return setTimeout(fun, 0);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedSetTimeout(fun, 0);\n } catch(e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedSetTimeout.call(null, fun, 0);\n } catch(e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n return cachedSetTimeout.call(this, fun, 0);\n }\n }\n\n\n}\nfunction runClearTimeout(marker) {\n if (cachedClearTimeout === clearTimeout) {\n //normal enviroments in sane situations\n return clearTimeout(marker);\n }\n // if clearTimeout wasn't available but was latter defined\n if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n cachedClearTimeout = clearTimeout;\n return clearTimeout(marker);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedClearTimeout(marker);\n } catch (e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedClearTimeout.call(null, marker);\n } catch (e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n return cachedClearTimeout.call(this, marker);\n }\n }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n if (!draining || !currentQueue) {\n return;\n }\n draining = false;\n if (currentQueue.length) {\n queue = currentQueue.concat(queue);\n } else {\n queueIndex = -1;\n }\n if (queue.length) {\n drainQueue();\n }\n}\n\nfunction drainQueue() {\n if (draining) {\n return;\n }\n var timeout = runTimeout(cleanUpNextTick);\n draining = true;\n\n var len = queue.length;\n while(len) {\n currentQueue = queue;\n queue = [];\n while (++queueIndex < len) {\n if (currentQueue) {\n currentQueue[queueIndex].run();\n }\n }\n queueIndex = -1;\n len = queue.length;\n }\n currentQueue = null;\n draining = false;\n runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n var args = new Array(arguments.length - 1);\n if (arguments.length > 1) {\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n }\n queue.push(new Item(fun, args));\n if (queue.length === 1 && !draining) {\n runTimeout(drainQueue);\n }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n this.fun = fun;\n this.array = array;\n}\nItem.prototype.run = function () {\n this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/process/browser.js\n// module id = 4\n// module chunks = 0","\n/**\n * This is the common logic for both the Node.js and web browser\n * implementations of `debug()`.\n *\n * Expose `debug()` as the module.\n */\n\nexports = module.exports = createDebug.debug = createDebug['default'] = createDebug;\nexports.coerce = coerce;\nexports.disable = disable;\nexports.enable = enable;\nexports.enabled = enabled;\nexports.humanize = require('ms');\n\n/**\n * The currently active debug mode names, and names to skip.\n */\n\nexports.names = [];\nexports.skips = [];\n\n/**\n * Map of special \"%n\" handling functions, for the debug \"format\" argument.\n *\n * Valid key names are a single, lower or upper-case letter, i.e. \"n\" and \"N\".\n */\n\nexports.formatters = {};\n\n/**\n * Previous log timestamp.\n */\n\nvar prevTime;\n\n/**\n * Select a color.\n * @param {String} namespace\n * @return {Number}\n * @api private\n */\n\nfunction selectColor(namespace) {\n var hash = 0, i;\n\n for (i in namespace) {\n hash = ((hash << 5) - hash) + namespace.charCodeAt(i);\n hash |= 0; // Convert to 32bit integer\n }\n\n return exports.colors[Math.abs(hash) % exports.colors.length];\n}\n\n/**\n * Create a debugger with the given `namespace`.\n *\n * @param {String} namespace\n * @return {Function}\n * @api public\n */\n\nfunction createDebug(namespace) {\n\n function debug() {\n // disabled?\n if (!debug.enabled) return;\n\n var self = debug;\n\n // set `diff` timestamp\n var curr = +new Date();\n var ms = curr - (prevTime || curr);\n self.diff = ms;\n self.prev = prevTime;\n self.curr = curr;\n prevTime = curr;\n\n // turn the `arguments` into a proper Array\n var args = new Array(arguments.length);\n for (var i = 0; i < args.length; i++) {\n args[i] = arguments[i];\n }\n\n args[0] = exports.coerce(args[0]);\n\n if ('string' !== typeof args[0]) {\n // anything else let's inspect with %O\n args.unshift('%O');\n }\n\n // apply any `formatters` transformations\n var index = 0;\n args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {\n // if we encounter an escaped % then don't increase the array index\n if (match === '%%') return match;\n index++;\n var formatter = exports.formatters[format];\n if ('function' === typeof formatter) {\n var val = args[index];\n match = formatter.call(self, val);\n\n // now we need to remove `args[index]` since it's inlined in the `format`\n args.splice(index, 1);\n index--;\n }\n return match;\n });\n\n // apply env-specific formatting (colors, etc.)\n exports.formatArgs.call(self, args);\n\n var logFn = debug.log || exports.log || console.log.bind(console);\n logFn.apply(self, args);\n }\n\n debug.namespace = namespace;\n debug.enabled = exports.enabled(namespace);\n debug.useColors = exports.useColors();\n debug.color = selectColor(namespace);\n\n // env-specific initialization logic for debug instances\n if ('function' === typeof exports.init) {\n exports.init(debug);\n }\n\n return debug;\n}\n\n/**\n * Enables a debug mode by namespaces. This can include modes\n * separated by a colon and wildcards.\n *\n * @param {String} namespaces\n * @api public\n */\n\nfunction enable(namespaces) {\n exports.save(namespaces);\n\n exports.names = [];\n exports.skips = [];\n\n var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\\s,]+/);\n var len = split.length;\n\n for (var i = 0; i < len; i++) {\n if (!split[i]) continue; // ignore empty strings\n namespaces = split[i].replace(/\\*/g, '.*?');\n if (namespaces[0] === '-') {\n exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));\n } else {\n exports.names.push(new RegExp('^' + namespaces + '$'));\n }\n }\n}\n\n/**\n * Disable debug output.\n *\n * @api public\n */\n\nfunction disable() {\n exports.enable('');\n}\n\n/**\n * Returns true if the given mode name is enabled, false otherwise.\n *\n * @param {String} name\n * @return {Boolean}\n * @api public\n */\n\nfunction enabled(name) {\n var i, len;\n for (i = 0, len = exports.skips.length; i < len; i++) {\n if (exports.skips[i].test(name)) {\n return false;\n }\n }\n for (i = 0, len = exports.names.length; i < len; i++) {\n if (exports.names[i].test(name)) {\n return true;\n }\n }\n return false;\n}\n\n/**\n * Coerce `val`.\n *\n * @param {Mixed} val\n * @return {Mixed}\n * @api private\n */\n\nfunction coerce(val) {\n if (val instanceof Error) return val.stack || val.message;\n return val;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/debug/src/debug.js\n// module id = 5\n// module chunks = 0","/**\n * Helpers.\n */\n\nvar s = 1000;\nvar m = s * 60;\nvar h = m * 60;\nvar d = h * 24;\nvar y = d * 365.25;\n\n/**\n * Parse or format the given `val`.\n *\n * Options:\n *\n * - `long` verbose formatting [false]\n *\n * @param {String|Number} val\n * @param {Object} [options]\n * @throws {Error} throw an error if val is not a non-empty string or a number\n * @return {String|Number}\n * @api public\n */\n\nmodule.exports = function(val, options) {\n options = options || {};\n var type = typeof val;\n if (type === 'string' && val.length > 0) {\n return parse(val);\n } else if (type === 'number' && isNaN(val) === false) {\n return options.long ? fmtLong(val) : fmtShort(val);\n }\n throw new Error(\n 'val is not a non-empty string or a valid number. val=' +\n JSON.stringify(val)\n );\n};\n\n/**\n * Parse the given `str` and return milliseconds.\n *\n * @param {String} str\n * @return {Number}\n * @api private\n */\n\nfunction parse(str) {\n str = String(str);\n if (str.length > 100) {\n return;\n }\n var match = /^((?:\\d+)?\\.?\\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(\n str\n );\n if (!match) {\n return;\n }\n var n = parseFloat(match[1]);\n var type = (match[2] || 'ms').toLowerCase();\n switch (type) {\n case 'years':\n case 'year':\n case 'yrs':\n case 'yr':\n case 'y':\n return n * y;\n case 'days':\n case 'day':\n case 'd':\n return n * d;\n case 'hours':\n case 'hour':\n case 'hrs':\n case 'hr':\n case 'h':\n return n * h;\n case 'minutes':\n case 'minute':\n case 'mins':\n case 'min':\n case 'm':\n return n * m;\n case 'seconds':\n case 'second':\n case 'secs':\n case 'sec':\n case 's':\n return n * s;\n case 'milliseconds':\n case 'millisecond':\n case 'msecs':\n case 'msec':\n case 'ms':\n return n;\n default:\n return undefined;\n }\n}\n\n/**\n * Short format for `ms`.\n *\n * @param {Number} ms\n * @return {String}\n * @api private\n */\n\nfunction fmtShort(ms) {\n if (ms >= d) {\n return Math.round(ms / d) + 'd';\n }\n if (ms >= h) {\n return Math.round(ms / h) + 'h';\n }\n if (ms >= m) {\n return Math.round(ms / m) + 'm';\n }\n if (ms >= s) {\n return Math.round(ms / s) + 's';\n }\n return ms + 'ms';\n}\n\n/**\n * Long format for `ms`.\n *\n * @param {Number} ms\n * @return {String}\n * @api private\n */\n\nfunction fmtLong(ms) {\n return plural(ms, d, 'day') ||\n plural(ms, h, 'hour') ||\n plural(ms, m, 'minute') ||\n plural(ms, s, 'second') ||\n ms + ' ms';\n}\n\n/**\n * Pluralization helper.\n */\n\nfunction plural(ms, n, name) {\n if (ms < n) {\n return;\n }\n if (ms < n * 1.5) {\n return Math.floor(ms / n) + ' ' + name;\n }\n return Math.ceil(ms / n) + ' ' + name + 's';\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/ms/index.js\n// module id = 6\n// module chunks = 0","\n/**\n * Module dependencies.\n */\n\nvar debug = require('debug')('socket.io-parser');\nvar Emitter = require('component-emitter');\nvar hasBin = require('has-binary2');\nvar binary = require('./binary');\nvar isBuf = require('./is-buffer');\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nexports.protocol = 4;\n\n/**\n * Packet types.\n *\n * @api public\n */\n\nexports.types = [\n 'CONNECT',\n 'DISCONNECT',\n 'EVENT',\n 'ACK',\n 'ERROR',\n 'BINARY_EVENT',\n 'BINARY_ACK'\n];\n\n/**\n * Packet type `connect`.\n *\n * @api public\n */\n\nexports.CONNECT = 0;\n\n/**\n * Packet type `disconnect`.\n *\n * @api public\n */\n\nexports.DISCONNECT = 1;\n\n/**\n * Packet type `event`.\n *\n * @api public\n */\n\nexports.EVENT = 2;\n\n/**\n * Packet type `ack`.\n *\n * @api public\n */\n\nexports.ACK = 3;\n\n/**\n * Packet type `error`.\n *\n * @api public\n */\n\nexports.ERROR = 4;\n\n/**\n * Packet type 'binary event'\n *\n * @api public\n */\n\nexports.BINARY_EVENT = 5;\n\n/**\n * Packet type `binary ack`. For acks with binary arguments.\n *\n * @api public\n */\n\nexports.BINARY_ACK = 6;\n\n/**\n * Encoder constructor.\n *\n * @api public\n */\n\nexports.Encoder = Encoder;\n\n/**\n * Decoder constructor.\n *\n * @api public\n */\n\nexports.Decoder = Decoder;\n\n/**\n * A socket.io Encoder instance\n *\n * @api public\n */\n\nfunction Encoder() {}\n\n/**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n * @param {Function} callback - function to handle encodings (likely engine.write)\n * @return Calls callback with Array of encodings\n * @api public\n */\n\nEncoder.prototype.encode = function(obj, callback){\n if ((obj.type === exports.EVENT || obj.type === exports.ACK) && hasBin(obj.data)) {\n obj.type = obj.type === exports.EVENT ? exports.BINARY_EVENT : exports.BINARY_ACK;\n }\n\n debug('encoding packet %j', obj);\n\n if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n encodeAsBinary(obj, callback);\n }\n else {\n var encoding = encodeAsString(obj);\n callback([encoding]);\n }\n};\n\n/**\n * Encode packet as string.\n *\n * @param {Object} packet\n * @return {String} encoded\n * @api private\n */\n\nfunction encodeAsString(obj) {\n\n // first is type\n var str = '' + obj.type;\n\n // attachments if we have them\n if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n str += obj.attachments + '-';\n }\n\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && '/' !== obj.nsp) {\n str += obj.nsp + ',';\n }\n\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data);\n }\n\n debug('encoded %j as %s', obj, str);\n return str;\n}\n\n/**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n *\n * @param {Object} packet\n * @return {Buffer} encoded\n * @api private\n */\n\nfunction encodeAsBinary(obj, callback) {\n\n function writeEncoding(bloblessData) {\n var deconstruction = binary.deconstructPacket(bloblessData);\n var pack = encodeAsString(deconstruction.packet);\n var buffers = deconstruction.buffers;\n\n buffers.unshift(pack); // add packet info to beginning of data list\n callback(buffers); // write all the buffers\n }\n\n binary.removeBlobs(obj, writeEncoding);\n}\n\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n * @api public\n */\n\nfunction Decoder() {\n this.reconstructor = null;\n}\n\n/**\n * Mix in `Emitter` with Decoder.\n */\n\nEmitter(Decoder.prototype);\n\n/**\n * Decodes an ecoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n * @return {Object} packet\n * @api public\n */\n\nDecoder.prototype.add = function(obj) {\n var packet;\n if (typeof obj === 'string') {\n packet = decodeString(obj);\n if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n\n // no attachments, labeled binary but no binary data to follow\n if (this.reconstructor.reconPack.attachments === 0) {\n this.emit('decoded', packet);\n }\n } else { // non-binary full packet\n this.emit('decoded', packet);\n }\n }\n else if (isBuf(obj) || obj.base64) { // raw binary data\n if (!this.reconstructor) {\n throw new Error('got binary data when not reconstructing a packet');\n } else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) { // received final buffer\n this.reconstructor = null;\n this.emit('decoded', packet);\n }\n }\n }\n else {\n throw new Error('Unknown type: ' + obj);\n }\n};\n\n/**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n * @api private\n */\n\nfunction decodeString(str) {\n var i = 0;\n // look up type\n var p = {\n type: Number(str.charAt(0))\n };\n\n if (null == exports.types[p.type]) return error();\n\n // look up attachments if type binary\n if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {\n var buf = '';\n while (str.charAt(++i) !== '-') {\n buf += str.charAt(i);\n if (i == str.length) break;\n }\n if (buf != Number(buf) || str.charAt(i) !== '-') {\n throw new Error('Illegal attachments');\n }\n p.attachments = Number(buf);\n }\n\n // look up namespace (if any)\n if ('/' === str.charAt(i + 1)) {\n p.nsp = '';\n while (++i) {\n var c = str.charAt(i);\n if (',' === c) break;\n p.nsp += c;\n if (i === str.length) break;\n }\n } else {\n p.nsp = '/';\n }\n\n // look up id\n var next = str.charAt(i + 1);\n if ('' !== next && Number(next) == next) {\n p.id = '';\n while (++i) {\n var c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n p.id += str.charAt(i);\n if (i === str.length) break;\n }\n p.id = Number(p.id);\n }\n\n // look up json data\n if (str.charAt(++i)) {\n p = tryParse(p, str.substr(i));\n }\n\n debug('decoded %s as %j', str, p);\n return p;\n}\n\nfunction tryParse(p, str) {\n try {\n p.data = JSON.parse(str);\n } catch(e){\n return error();\n }\n return p; \n}\n\n/**\n * Deallocates a parser's resources\n *\n * @api public\n */\n\nDecoder.prototype.destroy = function() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n }\n};\n\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n * @api private\n */\n\nfunction BinaryReconstructor(packet) {\n this.reconPack = packet;\n this.buffers = [];\n}\n\n/**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n * @api private\n */\n\nBinaryReconstructor.prototype.takeBinaryData = function(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) { // done with buffer list\n var packet = binary.reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n};\n\n/**\n * Cleans up binary packet reconstruction variables.\n *\n * @api private\n */\n\nBinaryReconstructor.prototype.finishedReconstruction = function() {\n this.reconPack = null;\n this.buffers = [];\n};\n\nfunction error() {\n return {\n type: exports.ERROR,\n data: 'parser error'\n };\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/index.js\n// module id = 7\n// module chunks = 0","\r\n/**\r\n * Expose `Emitter`.\r\n */\r\n\r\nif (typeof module !== 'undefined') {\r\n module.exports = Emitter;\r\n}\r\n\r\n/**\r\n * Initialize a new `Emitter`.\r\n *\r\n * @api public\r\n */\r\n\r\nfunction Emitter(obj) {\r\n if (obj) return mixin(obj);\r\n};\r\n\r\n/**\r\n * Mixin the emitter properties.\r\n *\r\n * @param {Object} obj\r\n * @return {Object}\r\n * @api private\r\n */\r\n\r\nfunction mixin(obj) {\r\n for (var key in Emitter.prototype) {\r\n obj[key] = Emitter.prototype[key];\r\n }\r\n return obj;\r\n}\r\n\r\n/**\r\n * Listen on the given `event` with `fn`.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.on =\r\nEmitter.prototype.addEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n .push(fn);\r\n return this;\r\n};\r\n\r\n/**\r\n * Adds an `event` listener that will be invoked a single\r\n * time then automatically removed.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.once = function(event, fn){\r\n function on() {\r\n this.off(event, on);\r\n fn.apply(this, arguments);\r\n }\r\n\r\n on.fn = fn;\r\n this.on(event, on);\r\n return this;\r\n};\r\n\r\n/**\r\n * Remove the given callback for `event` or all\r\n * registered callbacks.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.off =\r\nEmitter.prototype.removeListener =\r\nEmitter.prototype.removeAllListeners =\r\nEmitter.prototype.removeEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n\r\n // all\r\n if (0 == arguments.length) {\r\n this._callbacks = {};\r\n return this;\r\n }\r\n\r\n // specific event\r\n var callbacks = this._callbacks['$' + event];\r\n if (!callbacks) return this;\r\n\r\n // remove all handlers\r\n if (1 == arguments.length) {\r\n delete this._callbacks['$' + event];\r\n return this;\r\n }\r\n\r\n // remove specific handler\r\n var cb;\r\n for (var i = 0; i < callbacks.length; i++) {\r\n cb = callbacks[i];\r\n if (cb === fn || cb.fn === fn) {\r\n callbacks.splice(i, 1);\r\n break;\r\n }\r\n }\r\n return this;\r\n};\r\n\r\n/**\r\n * Emit `event` with the given args.\r\n *\r\n * @param {String} event\r\n * @param {Mixed} ...\r\n * @return {Emitter}\r\n */\r\n\r\nEmitter.prototype.emit = function(event){\r\n this._callbacks = this._callbacks || {};\r\n var args = [].slice.call(arguments, 1)\r\n , callbacks = this._callbacks['$' + event];\r\n\r\n if (callbacks) {\r\n callbacks = callbacks.slice(0);\r\n for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n callbacks[i].apply(this, args);\r\n }\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Return array of callbacks for `event`.\r\n *\r\n * @param {String} event\r\n * @return {Array}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.listeners = function(event){\r\n this._callbacks = this._callbacks || {};\r\n return this._callbacks['$' + event] || [];\r\n};\r\n\r\n/**\r\n * Check if this emitter has `event` handlers.\r\n *\r\n * @param {String} event\r\n * @return {Boolean}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.hasListeners = function(event){\r\n return !! this.listeners(event).length;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-emitter/index.js\n// module id = 8\n// module chunks = 0","/* global Blob File */\n\n/*\n * Module requirements.\n */\n\nvar isArray = require('isarray');\n\nvar toString = Object.prototype.toString;\nvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\nvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\n/**\n * Module exports.\n */\n\nmodule.exports = hasBinary;\n\n/**\n * Checks for binary data.\n *\n * Supports Buffer, ArrayBuffer, Blob and File.\n *\n * @param {Object} anything\n * @api public\n */\n\nfunction hasBinary (obj) {\n if (!obj || typeof obj !== 'object') {\n return false;\n }\n\n if (isArray(obj)) {\n for (var i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n\n if ((typeof global.Buffer === 'function' && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||\n (typeof global.ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File)\n ) {\n return true;\n }\n\n // see: https://github.com/Automattic/has-binary/pull/4\n if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n\n for (var key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n\n return false;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/has-binary2/index.js\n// module id = 9\n// module chunks = 0","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n return toString.call(arr) == '[object Array]';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/isarray/index.js\n// module id = 10\n// module chunks = 0","/*global Blob,File*/\n\n/**\n * Module requirements\n */\n\nvar isArray = require('isarray');\nvar isBuf = require('./is-buffer');\nvar toString = Object.prototype.toString;\nvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\nvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\n/**\n * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.\n * Anything with blobs or files should be fed through removeBlobs before coming\n * here.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @api public\n */\n\nexports.deconstructPacket = function(packet) {\n var buffers = [];\n var packetData = packet.data;\n var pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return {packet: pack, buffers: buffers};\n};\n\nfunction _deconstructPacket(data, buffers) {\n if (!data) return data;\n\n if (isBuf(data)) {\n var placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n } else if (isArray(data)) {\n var newData = new Array(data.length);\n for (var i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n } else if (typeof data === 'object' && !(data instanceof Date)) {\n var newData = {};\n for (var key in data) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n return newData;\n }\n return data;\n}\n\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @api public\n */\n\nexports.reconstructPacket = function(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n packet.attachments = undefined; // no longer useful\n return packet;\n};\n\nfunction _reconstructPacket(data, buffers) {\n if (!data) return data;\n\n if (data && data._placeholder) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n } else if (isArray(data)) {\n for (var i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n } else if (typeof data === 'object') {\n for (var key in data) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n\n return data;\n}\n\n/**\n * Asynchronously removes Blobs or Files from data via\n * FileReader's readAsArrayBuffer method. Used before encoding\n * data as msgpack. Calls callback with the blobless data.\n *\n * @param {Object} data\n * @param {Function} callback\n * @api private\n */\n\nexports.removeBlobs = function(data, callback) {\n function _removeBlobs(obj, curKey, containingObject) {\n if (!obj) return obj;\n\n // convert any blob\n if ((withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File)) {\n pendingBlobs++;\n\n // async filereader\n var fileReader = new FileReader();\n fileReader.onload = function() { // this.result == arraybuffer\n if (containingObject) {\n containingObject[curKey] = this.result;\n }\n else {\n bloblessData = this.result;\n }\n\n // if nothing pending its callback time\n if(! --pendingBlobs) {\n callback(bloblessData);\n }\n };\n\n fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer\n } else if (isArray(obj)) { // handle array\n for (var i = 0; i < obj.length; i++) {\n _removeBlobs(obj[i], i, obj);\n }\n } else if (typeof obj === 'object' && !isBuf(obj)) { // and object\n for (var key in obj) {\n _removeBlobs(obj[key], key, obj);\n }\n }\n }\n\n var pendingBlobs = 0;\n var bloblessData = data;\n _removeBlobs(bloblessData);\n if (!pendingBlobs) {\n callback(bloblessData);\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/binary.js\n// module id = 11\n// module chunks = 0","\nmodule.exports = isBuf;\n\n/**\n * Returns true if obj is a buffer or an arraybuffer.\n *\n * @api private\n */\n\nfunction isBuf(obj) {\n return (global.Buffer && global.Buffer.isBuffer(obj)) ||\n (global.ArrayBuffer && obj instanceof ArrayBuffer);\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/is-buffer.js\n// module id = 12\n// module chunks = 0","\n/**\n * Module dependencies.\n */\n\nvar eio = require('engine.io-client');\nvar Socket = require('./socket');\nvar Emitter = require('component-emitter');\nvar parser = require('socket.io-parser');\nvar on = require('./on');\nvar bind = require('component-bind');\nvar debug = require('debug')('socket.io-client:manager');\nvar indexOf = require('indexof');\nvar Backoff = require('backo2');\n\n/**\n * IE6+ hasOwnProperty\n */\n\nvar has = Object.prototype.hasOwnProperty;\n\n/**\n * Module exports\n */\n\nmodule.exports = Manager;\n\n/**\n * `Manager` constructor.\n *\n * @param {String} engine instance or engine uri/opts\n * @param {Object} options\n * @api public\n */\n\nfunction Manager (uri, opts) {\n if (!(this instanceof Manager)) return new Manager(uri, opts);\n if (uri && ('object' === typeof uri)) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n\n opts.path = opts.path || '/socket.io';\n this.nsps = {};\n this.subs = [];\n this.opts = opts;\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor(opts.randomizationFactor || 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor()\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this.readyState = 'closed';\n this.uri = uri;\n this.connecting = [];\n this.lastPing = null;\n this.encoding = false;\n this.packetBuffer = [];\n var _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this.autoConnect = opts.autoConnect !== false;\n if (this.autoConnect) this.open();\n}\n\n/**\n * Propagate given event to sockets and emit on `this`\n *\n * @api private\n */\n\nManager.prototype.emitAll = function () {\n this.emit.apply(this, arguments);\n for (var nsp in this.nsps) {\n if (has.call(this.nsps, nsp)) {\n this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);\n }\n }\n};\n\n/**\n * Update `socket.id` of all sockets\n *\n * @api private\n */\n\nManager.prototype.updateSocketIds = function () {\n for (var nsp in this.nsps) {\n if (has.call(this.nsps, nsp)) {\n this.nsps[nsp].id = this.generateId(nsp);\n }\n }\n};\n\n/**\n * generate `socket.id` for the given `nsp`\n *\n * @param {String} nsp\n * @return {String}\n * @api private\n */\n\nManager.prototype.generateId = function (nsp) {\n return (nsp === '/' ? '' : (nsp + '#')) + this.engine.id;\n};\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Manager.prototype);\n\n/**\n * Sets the `reconnection` config.\n *\n * @param {Boolean} true/false if it should automatically reconnect\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnection = function (v) {\n if (!arguments.length) return this._reconnection;\n this._reconnection = !!v;\n return this;\n};\n\n/**\n * Sets the reconnection attempts config.\n *\n * @param {Number} max reconnection attempts before giving up\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionAttempts = function (v) {\n if (!arguments.length) return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n};\n\n/**\n * Sets the delay between reconnections.\n *\n * @param {Number} delay\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionDelay = function (v) {\n if (!arguments.length) return this._reconnectionDelay;\n this._reconnectionDelay = v;\n this.backoff && this.backoff.setMin(v);\n return this;\n};\n\nManager.prototype.randomizationFactor = function (v) {\n if (!arguments.length) return this._randomizationFactor;\n this._randomizationFactor = v;\n this.backoff && this.backoff.setJitter(v);\n return this;\n};\n\n/**\n * Sets the maximum delay between reconnections.\n *\n * @param {Number} delay\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionDelayMax = function (v) {\n if (!arguments.length) return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n this.backoff && this.backoff.setMax(v);\n return this;\n};\n\n/**\n * Sets the connection timeout. `false` to disable\n *\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.timeout = function (v) {\n if (!arguments.length) return this._timeout;\n this._timeout = v;\n return this;\n};\n\n/**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @api private\n */\n\nManager.prototype.maybeReconnectOnOpen = function () {\n // Only try to reconnect if it's the first time we're connecting\n if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n};\n\n/**\n * Sets the current transport `socket`.\n *\n * @param {Function} optional, callback\n * @return {Manager} self\n * @api public\n */\n\nManager.prototype.open =\nManager.prototype.connect = function (fn, opts) {\n debug('readyState %s', this.readyState);\n if (~this.readyState.indexOf('open')) return this;\n\n debug('opening %s', this.uri);\n this.engine = eio(this.uri, this.opts);\n var socket = this.engine;\n var self = this;\n this.readyState = 'opening';\n this.skipReconnect = false;\n\n // emit `open`\n var openSub = on(socket, 'open', function () {\n self.onopen();\n fn && fn();\n });\n\n // emit `connect_error`\n var errorSub = on(socket, 'error', function (data) {\n debug('connect_error');\n self.cleanup();\n self.readyState = 'closed';\n self.emitAll('connect_error', data);\n if (fn) {\n var err = new Error('Connection error');\n err.data = data;\n fn(err);\n } else {\n // Only do this if there is no fn to handle the error\n self.maybeReconnectOnOpen();\n }\n });\n\n // emit `connect_timeout`\n if (false !== this._timeout) {\n var timeout = this._timeout;\n debug('connect attempt will timeout after %d', timeout);\n\n // set timer\n var timer = setTimeout(function () {\n debug('connect attempt timed out after %d', timeout);\n openSub.destroy();\n socket.close();\n socket.emit('error', 'timeout');\n self.emitAll('connect_timeout', timeout);\n }, timeout);\n\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n }\n });\n }\n\n this.subs.push(openSub);\n this.subs.push(errorSub);\n\n return this;\n};\n\n/**\n * Called upon transport open.\n *\n * @api private\n */\n\nManager.prototype.onopen = function () {\n debug('open');\n\n // clear old subs\n this.cleanup();\n\n // mark as open\n this.readyState = 'open';\n this.emit('open');\n\n // add new subs\n var socket = this.engine;\n this.subs.push(on(socket, 'data', bind(this, 'ondata')));\n this.subs.push(on(socket, 'ping', bind(this, 'onping')));\n this.subs.push(on(socket, 'pong', bind(this, 'onpong')));\n this.subs.push(on(socket, 'error', bind(this, 'onerror')));\n this.subs.push(on(socket, 'close', bind(this, 'onclose')));\n this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));\n};\n\n/**\n * Called upon a ping.\n *\n * @api private\n */\n\nManager.prototype.onping = function () {\n this.lastPing = new Date();\n this.emitAll('ping');\n};\n\n/**\n * Called upon a packet.\n *\n * @api private\n */\n\nManager.prototype.onpong = function () {\n this.emitAll('pong', new Date() - this.lastPing);\n};\n\n/**\n * Called with data.\n *\n * @api private\n */\n\nManager.prototype.ondata = function (data) {\n this.decoder.add(data);\n};\n\n/**\n * Called when parser fully decodes a packet.\n *\n * @api private\n */\n\nManager.prototype.ondecoded = function (packet) {\n this.emit('packet', packet);\n};\n\n/**\n * Called upon socket error.\n *\n * @api private\n */\n\nManager.prototype.onerror = function (err) {\n debug('error', err);\n this.emitAll('error', err);\n};\n\n/**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @api public\n */\n\nManager.prototype.socket = function (nsp, opts) {\n var socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n var self = this;\n socket.on('connecting', onConnecting);\n socket.on('connect', function () {\n socket.id = self.generateId(nsp);\n });\n\n if (this.autoConnect) {\n // manually call here since connecting event is fired before listening\n onConnecting();\n }\n }\n\n function onConnecting () {\n if (!~indexOf(self.connecting, socket)) {\n self.connecting.push(socket);\n }\n }\n\n return socket;\n};\n\n/**\n * Called upon a socket close.\n *\n * @param {Socket} socket\n */\n\nManager.prototype.destroy = function (socket) {\n var index = indexOf(this.connecting, socket);\n if (~index) this.connecting.splice(index, 1);\n if (this.connecting.length) return;\n\n this.close();\n};\n\n/**\n * Writes a packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nManager.prototype.packet = function (packet) {\n debug('writing packet %j', packet);\n var self = this;\n if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;\n\n if (!self.encoding) {\n // encode, then write to engine with result\n self.encoding = true;\n this.encoder.encode(packet, function (encodedPackets) {\n for (var i = 0; i < encodedPackets.length; i++) {\n self.engine.write(encodedPackets[i], packet.options);\n }\n self.encoding = false;\n self.processPacketQueue();\n });\n } else { // add packet to the queue\n self.packetBuffer.push(packet);\n }\n};\n\n/**\n * If packet buffer is non-empty, begins encoding the\n * next packet in line.\n *\n * @api private\n */\n\nManager.prototype.processPacketQueue = function () {\n if (this.packetBuffer.length > 0 && !this.encoding) {\n var pack = this.packetBuffer.shift();\n this.packet(pack);\n }\n};\n\n/**\n * Clean up transport subscriptions and packet buffer.\n *\n * @api private\n */\n\nManager.prototype.cleanup = function () {\n debug('cleanup');\n\n var subsLength = this.subs.length;\n for (var i = 0; i < subsLength; i++) {\n var sub = this.subs.shift();\n sub.destroy();\n }\n\n this.packetBuffer = [];\n this.encoding = false;\n this.lastPing = null;\n\n this.decoder.destroy();\n};\n\n/**\n * Close the current socket.\n *\n * @api private\n */\n\nManager.prototype.close =\nManager.prototype.disconnect = function () {\n debug('disconnect');\n this.skipReconnect = true;\n this.reconnecting = false;\n if ('opening' === this.readyState) {\n // `onclose` will not fire because\n // an open event never happened\n this.cleanup();\n }\n this.backoff.reset();\n this.readyState = 'closed';\n if (this.engine) this.engine.close();\n};\n\n/**\n * Called upon engine close.\n *\n * @api private\n */\n\nManager.prototype.onclose = function (reason) {\n debug('onclose');\n\n this.cleanup();\n this.backoff.reset();\n this.readyState = 'closed';\n this.emit('close', reason);\n\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n};\n\n/**\n * Attempt a reconnection.\n *\n * @api private\n */\n\nManager.prototype.reconnect = function () {\n if (this.reconnecting || this.skipReconnect) return this;\n\n var self = this;\n\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n debug('reconnect failed');\n this.backoff.reset();\n this.emitAll('reconnect_failed');\n this.reconnecting = false;\n } else {\n var delay = this.backoff.duration();\n debug('will wait %dms before reconnect attempt', delay);\n\n this.reconnecting = true;\n var timer = setTimeout(function () {\n if (self.skipReconnect) return;\n\n debug('attempting reconnect');\n self.emitAll('reconnect_attempt', self.backoff.attempts);\n self.emitAll('reconnecting', self.backoff.attempts);\n\n // check again for the case socket closed in above events\n if (self.skipReconnect) return;\n\n self.open(function (err) {\n if (err) {\n debug('reconnect attempt error');\n self.reconnecting = false;\n self.reconnect();\n self.emitAll('reconnect_error', err.data);\n } else {\n debug('reconnect success');\n self.onreconnect();\n }\n });\n }, delay);\n\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n }\n });\n }\n};\n\n/**\n * Called upon successful reconnect.\n *\n * @api private\n */\n\nManager.prototype.onreconnect = function () {\n var attempt = this.backoff.attempts;\n this.reconnecting = false;\n this.backoff.reset();\n this.updateSocketIds();\n this.emitAll('reconnect', attempt);\n};\n\n\n\n// WEBPACK FOOTER //\n// ./lib/manager.js","\nmodule.exports = require('./socket');\n\n/**\n * Exports parser\n *\n * @api public\n *\n */\nmodule.exports.parser = require('engine.io-parser');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/index.js\n// module id = 14\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar transports = require('./transports/index');\nvar Emitter = require('component-emitter');\nvar debug = require('debug')('engine.io-client:socket');\nvar index = require('indexof');\nvar parser = require('engine.io-parser');\nvar parseuri = require('parseuri');\nvar parseqs = require('parseqs');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Socket;\n\n/**\n * Socket constructor.\n *\n * @param {String|Object} uri or options\n * @param {Object} options\n * @api public\n */\n\nfunction Socket (uri, opts) {\n if (!(this instanceof Socket)) return new Socket(uri, opts);\n\n opts = opts || {};\n\n if (uri && 'object' === typeof uri) {\n opts = uri;\n uri = null;\n }\n\n if (uri) {\n uri = parseuri(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n opts.port = uri.port;\n if (uri.query) opts.query = uri.query;\n } else if (opts.host) {\n opts.hostname = parseuri(opts.host).host;\n }\n\n this.secure = null != opts.secure ? opts.secure\n : (global.location && 'https:' === location.protocol);\n\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? '443' : '80';\n }\n\n this.agent = opts.agent || false;\n this.hostname = opts.hostname ||\n (global.location ? location.hostname : 'localhost');\n this.port = opts.port || (global.location && location.port\n ? location.port\n : (this.secure ? 443 : 80));\n this.query = opts.query || {};\n if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n this.upgrade = false !== opts.upgrade;\n this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n this.forceJSONP = !!opts.forceJSONP;\n this.jsonp = false !== opts.jsonp;\n this.forceBase64 = !!opts.forceBase64;\n this.enablesXDR = !!opts.enablesXDR;\n this.timestampParam = opts.timestampParam || 't';\n this.timestampRequests = opts.timestampRequests;\n this.transports = opts.transports || ['polling', 'websocket'];\n this.transportOptions = opts.transportOptions || {};\n this.readyState = '';\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.policyPort = opts.policyPort || 843;\n this.rememberUpgrade = opts.rememberUpgrade || false;\n this.binaryType = null;\n this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\n if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n this.perMessageDeflate.threshold = 1024;\n }\n\n // SSL options for Node.js client\n this.pfx = opts.pfx || null;\n this.key = opts.key || null;\n this.passphrase = opts.passphrase || null;\n this.cert = opts.cert || null;\n this.ca = opts.ca || null;\n this.ciphers = opts.ciphers || null;\n this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n this.forceNode = !!opts.forceNode;\n\n // other options for Node.js client\n var freeGlobal = typeof global === 'object' && global;\n if (freeGlobal.global === freeGlobal) {\n if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n this.extraHeaders = opts.extraHeaders;\n }\n\n if (opts.localAddress) {\n this.localAddress = opts.localAddress;\n }\n }\n\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n\n // set on heartbeat\n this.pingIntervalTimer = null;\n this.pingTimeoutTimer = null;\n\n this.open();\n}\n\nSocket.priorWebsocketSuccess = false;\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nSocket.protocol = parser.protocol; // this is an int\n\n/**\n * Expose deps for legacy compatibility\n * and standalone browser access.\n */\n\nSocket.Socket = Socket;\nSocket.Transport = require('./transport');\nSocket.transports = require('./transports/index');\nSocket.parser = require('engine.io-parser');\n\n/**\n * Creates transport of the given type.\n *\n * @param {String} transport name\n * @return {Transport}\n * @api private\n */\n\nSocket.prototype.createTransport = function (name) {\n debug('creating transport \"%s\"', name);\n var query = clone(this.query);\n\n // append engine.io protocol identifier\n query.EIO = parser.protocol;\n\n // transport name\n query.transport = name;\n\n // per-transport options\n var options = this.transportOptions[name] || {};\n\n // session id if we already have one\n if (this.id) query.sid = this.id;\n\n var transport = new transports[name]({\n query: query,\n socket: this,\n agent: options.agent || this.agent,\n hostname: options.hostname || this.hostname,\n port: options.port || this.port,\n secure: options.secure || this.secure,\n path: options.path || this.path,\n forceJSONP: options.forceJSONP || this.forceJSONP,\n jsonp: options.jsonp || this.jsonp,\n forceBase64: options.forceBase64 || this.forceBase64,\n enablesXDR: options.enablesXDR || this.enablesXDR,\n timestampRequests: options.timestampRequests || this.timestampRequests,\n timestampParam: options.timestampParam || this.timestampParam,\n policyPort: options.policyPort || this.policyPort,\n pfx: options.pfx || this.pfx,\n key: options.key || this.key,\n passphrase: options.passphrase || this.passphrase,\n cert: options.cert || this.cert,\n ca: options.ca || this.ca,\n ciphers: options.ciphers || this.ciphers,\n rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n extraHeaders: options.extraHeaders || this.extraHeaders,\n forceNode: options.forceNode || this.forceNode,\n localAddress: options.localAddress || this.localAddress,\n requestTimeout: options.requestTimeout || this.requestTimeout,\n protocols: options.protocols || void (0)\n });\n\n return transport;\n};\n\nfunction clone (obj) {\n var o = {};\n for (var i in obj) {\n if (obj.hasOwnProperty(i)) {\n o[i] = obj[i];\n }\n }\n return o;\n}\n\n/**\n * Initializes transport to use and starts probe.\n *\n * @api private\n */\nSocket.prototype.open = function () {\n var transport;\n if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n transport = 'websocket';\n } else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n var self = this;\n setTimeout(function () {\n self.emit('error', 'No transports available');\n }, 0);\n return;\n } else {\n transport = this.transports[0];\n }\n this.readyState = 'opening';\n\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n } catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n\n transport.open();\n this.setTransport(transport);\n};\n\n/**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @api private\n */\n\nSocket.prototype.setTransport = function (transport) {\n debug('setting transport %s', transport.name);\n var self = this;\n\n if (this.transport) {\n debug('clearing existing transport %s', this.transport.name);\n this.transport.removeAllListeners();\n }\n\n // set up transport\n this.transport = transport;\n\n // set up transport listeners\n transport\n .on('drain', function () {\n self.onDrain();\n })\n .on('packet', function (packet) {\n self.onPacket(packet);\n })\n .on('error', function (e) {\n self.onError(e);\n })\n .on('close', function () {\n self.onClose('transport close');\n });\n};\n\n/**\n * Probes a transport.\n *\n * @param {String} transport name\n * @api private\n */\n\nSocket.prototype.probe = function (name) {\n debug('probing transport \"%s\"', name);\n var transport = this.createTransport(name, { probe: 1 });\n var failed = false;\n var self = this;\n\n Socket.priorWebsocketSuccess = false;\n\n function onTransportOpen () {\n if (self.onlyBinaryUpgrades) {\n var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n failed = failed || upgradeLosesBinary;\n }\n if (failed) return;\n\n debug('probe transport \"%s\" opened', name);\n transport.send([{ type: 'ping', data: 'probe' }]);\n transport.once('packet', function (msg) {\n if (failed) return;\n if ('pong' === msg.type && 'probe' === msg.data) {\n debug('probe transport \"%s\" pong', name);\n self.upgrading = true;\n self.emit('upgrading', transport);\n if (!transport) return;\n Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\n debug('pausing current transport \"%s\"', self.transport.name);\n self.transport.pause(function () {\n if (failed) return;\n if ('closed' === self.readyState) return;\n debug('changing transport and sending upgrade packet');\n\n cleanup();\n\n self.setTransport(transport);\n transport.send([{ type: 'upgrade' }]);\n self.emit('upgrade', transport);\n transport = null;\n self.upgrading = false;\n self.flush();\n });\n } else {\n debug('probe transport \"%s\" failed', name);\n var err = new Error('probe error');\n err.transport = transport.name;\n self.emit('upgradeError', err);\n }\n });\n }\n\n function freezeTransport () {\n if (failed) return;\n\n // Any callback called by transport should be ignored since now\n failed = true;\n\n cleanup();\n\n transport.close();\n transport = null;\n }\n\n // Handle any error that happens while probing\n function onerror (err) {\n var error = new Error('probe error: ' + err);\n error.transport = transport.name;\n\n freezeTransport();\n\n debug('probe transport \"%s\" failed because of error: %s', name, err);\n\n self.emit('upgradeError', error);\n }\n\n function onTransportClose () {\n onerror('transport closed');\n }\n\n // When the socket is closed while we're probing\n function onclose () {\n onerror('socket closed');\n }\n\n // When the socket is upgraded while we're probing\n function onupgrade (to) {\n if (transport && to.name !== transport.name) {\n debug('\"%s\" works - aborting \"%s\"', to.name, transport.name);\n freezeTransport();\n }\n }\n\n // Remove all listeners on the transport and on self\n function cleanup () {\n transport.removeListener('open', onTransportOpen);\n transport.removeListener('error', onerror);\n transport.removeListener('close', onTransportClose);\n self.removeListener('close', onclose);\n self.removeListener('upgrading', onupgrade);\n }\n\n transport.once('open', onTransportOpen);\n transport.once('error', onerror);\n transport.once('close', onTransportClose);\n\n this.once('close', onclose);\n this.once('upgrading', onupgrade);\n\n transport.open();\n};\n\n/**\n * Called when connection is deemed open.\n *\n * @api public\n */\n\nSocket.prototype.onOpen = function () {\n debug('socket open');\n this.readyState = 'open';\n Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n this.emit('open');\n this.flush();\n\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n debug('starting upgrade probes');\n for (var i = 0, l = this.upgrades.length; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n};\n\n/**\n * Handles a packet.\n *\n * @api private\n */\n\nSocket.prototype.onPacket = function (packet) {\n if ('opening' === this.readyState || 'open' === this.readyState ||\n 'closing' === this.readyState) {\n debug('socket receive: type \"%s\", data \"%s\"', packet.type, packet.data);\n\n this.emit('packet', packet);\n\n // Socket is live - any packet counts\n this.emit('heartbeat');\n\n switch (packet.type) {\n case 'open':\n this.onHandshake(JSON.parse(packet.data));\n break;\n\n case 'pong':\n this.setPing();\n this.emit('pong');\n break;\n\n case 'error':\n var err = new Error('server error');\n err.code = packet.data;\n this.onError(err);\n break;\n\n case 'message':\n this.emit('data', packet.data);\n this.emit('message', packet.data);\n break;\n }\n } else {\n debug('packet received with socket readyState \"%s\"', this.readyState);\n }\n};\n\n/**\n * Called upon handshake completion.\n *\n * @param {Object} handshake obj\n * @api private\n */\n\nSocket.prototype.onHandshake = function (data) {\n this.emit('handshake', data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.onOpen();\n // In case open handler closes socket\n if ('closed' === this.readyState) return;\n this.setPing();\n\n // Prolong liveness of socket on heartbeat\n this.removeListener('heartbeat', this.onHeartbeat);\n this.on('heartbeat', this.onHeartbeat);\n};\n\n/**\n * Resets ping timeout.\n *\n * @api private\n */\n\nSocket.prototype.onHeartbeat = function (timeout) {\n clearTimeout(this.pingTimeoutTimer);\n var self = this;\n self.pingTimeoutTimer = setTimeout(function () {\n if ('closed' === self.readyState) return;\n self.onClose('ping timeout');\n }, timeout || (self.pingInterval + self.pingTimeout));\n};\n\n/**\n * Pings server every `this.pingInterval` and expects response\n * within `this.pingTimeout` or closes connection.\n *\n * @api private\n */\n\nSocket.prototype.setPing = function () {\n var self = this;\n clearTimeout(self.pingIntervalTimer);\n self.pingIntervalTimer = setTimeout(function () {\n debug('writing ping packet - expecting pong within %sms', self.pingTimeout);\n self.ping();\n self.onHeartbeat(self.pingTimeout);\n }, self.pingInterval);\n};\n\n/**\n* Sends a ping packet.\n*\n* @api private\n*/\n\nSocket.prototype.ping = function () {\n var self = this;\n this.sendPacket('ping', function () {\n self.emit('ping');\n });\n};\n\n/**\n * Called on `drain` event\n *\n * @api private\n */\n\nSocket.prototype.onDrain = function () {\n this.writeBuffer.splice(0, this.prevBufferLen);\n\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n\n if (0 === this.writeBuffer.length) {\n this.emit('drain');\n } else {\n this.flush();\n }\n};\n\n/**\n * Flush write buffers.\n *\n * @api private\n */\n\nSocket.prototype.flush = function () {\n if ('closed' !== this.readyState && this.transport.writable &&\n !this.upgrading && this.writeBuffer.length) {\n debug('flushing %d packets in socket', this.writeBuffer.length);\n this.transport.send(this.writeBuffer);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = this.writeBuffer.length;\n this.emit('flush');\n }\n};\n\n/**\n * Sends a message.\n *\n * @param {String} message.\n * @param {Function} callback function.\n * @param {Object} options.\n * @return {Socket} for chaining.\n * @api public\n */\n\nSocket.prototype.write =\nSocket.prototype.send = function (msg, options, fn) {\n this.sendPacket('message', msg, options, fn);\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {String} packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} callback function.\n * @api private\n */\n\nSocket.prototype.sendPacket = function (type, data, options, fn) {\n if ('function' === typeof data) {\n fn = data;\n data = undefined;\n }\n\n if ('function' === typeof options) {\n fn = options;\n options = null;\n }\n\n if ('closing' === this.readyState || 'closed' === this.readyState) {\n return;\n }\n\n options = options || {};\n options.compress = false !== options.compress;\n\n var packet = {\n type: type,\n data: data,\n options: options\n };\n this.emit('packetCreate', packet);\n this.writeBuffer.push(packet);\n if (fn) this.once('flush', fn);\n this.flush();\n};\n\n/**\n * Closes the connection.\n *\n * @api private\n */\n\nSocket.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.readyState = 'closing';\n\n var self = this;\n\n if (this.writeBuffer.length) {\n this.once('drain', function () {\n if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n });\n } else if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n }\n\n function close () {\n self.onClose('forced close');\n debug('socket closing - telling transport to close');\n self.transport.close();\n }\n\n function cleanupAndClose () {\n self.removeListener('upgrade', cleanupAndClose);\n self.removeListener('upgradeError', cleanupAndClose);\n close();\n }\n\n function waitForUpgrade () {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n self.once('upgrade', cleanupAndClose);\n self.once('upgradeError', cleanupAndClose);\n }\n\n return this;\n};\n\n/**\n * Called upon transport error\n *\n * @api private\n */\n\nSocket.prototype.onError = function (err) {\n debug('socket error %j', err);\n Socket.priorWebsocketSuccess = false;\n this.emit('error', err);\n this.onClose('transport error', err);\n};\n\n/**\n * Called upon transport close.\n *\n * @api private\n */\n\nSocket.prototype.onClose = function (reason, desc) {\n if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n debug('socket close with reason: \"%s\"', reason);\n var self = this;\n\n // clear timers\n clearTimeout(this.pingIntervalTimer);\n clearTimeout(this.pingTimeoutTimer);\n\n // stop event from firing again for transport\n this.transport.removeAllListeners('close');\n\n // ensure transport won't stay open\n this.transport.close();\n\n // ignore further transport communication\n this.transport.removeAllListeners();\n\n // set ready state\n this.readyState = 'closed';\n\n // clear session id\n this.id = null;\n\n // emit close event\n this.emit('close', reason, desc);\n\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n self.writeBuffer = [];\n self.prevBufferLen = 0;\n }\n};\n\n/**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} server upgrades\n * @api private\n *\n */\n\nSocket.prototype.filterUpgrades = function (upgrades) {\n var filteredUpgrades = [];\n for (var i = 0, j = upgrades.length; i < j; i++) {\n if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/socket.js\n// module id = 15\n// module chunks = 0","/**\n * Module dependencies\n */\n\nvar XMLHttpRequest = require('xmlhttprequest-ssl');\nvar XHR = require('./polling-xhr');\nvar JSONP = require('./polling-jsonp');\nvar websocket = require('./websocket');\n\n/**\n * Export transports.\n */\n\nexports.polling = polling;\nexports.websocket = websocket;\n\n/**\n * Polling transport polymorphic constructor.\n * Decides on xhr vs jsonp based on feature detection.\n *\n * @api private\n */\n\nfunction polling (opts) {\n var xhr;\n var xd = false;\n var xs = false;\n var jsonp = false !== opts.jsonp;\n\n if (global.location) {\n var isSSL = 'https:' === location.protocol;\n var port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n xd = opts.hostname !== location.hostname || port !== opts.port;\n xs = opts.secure !== isSSL;\n }\n\n opts.xdomain = xd;\n opts.xscheme = xs;\n xhr = new XMLHttpRequest(opts);\n\n if ('open' in xhr && !opts.forceJSONP) {\n return new XHR(opts);\n } else {\n if (!jsonp) throw new Error('JSONP disabled');\n return new JSONP(opts);\n }\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/index.js\n// module id = 16\n// module chunks = 0","// browser shim for xmlhttprequest module\n\nvar hasCORS = require('has-cors');\n\nmodule.exports = function (opts) {\n var xdomain = opts.xdomain;\n\n // scheme must be same when usign XDomainRequest\n // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n var xscheme = opts.xscheme;\n\n // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n // https://github.com/Automattic/engine.io-client/pull/217\n var enablesXDR = opts.enablesXDR;\n\n // XMLHttpRequest can be disabled on IE\n try {\n if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n } catch (e) { }\n\n // Use XDomainRequest for IE8 if enablesXDR is true\n // because loading bar keeps flashing when using jsonp-polling\n // https://github.com/yujiosaka/socke.io-ie8-loading-example\n try {\n if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {\n return new XDomainRequest();\n }\n } catch (e) { }\n\n if (!xdomain) {\n try {\n return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');\n } catch (e) { }\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/xmlhttprequest.js\n// module id = 17\n// module chunks = 0","\n/**\n * Module exports.\n *\n * Logic borrowed from Modernizr:\n *\n * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n */\n\ntry {\n module.exports = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n} catch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n module.exports = false;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/has-cors/index.js\n// module id = 18\n// module chunks = 0","/**\n * Module requirements.\n */\n\nvar XMLHttpRequest = require('xmlhttprequest-ssl');\nvar Polling = require('./polling');\nvar Emitter = require('component-emitter');\nvar inherit = require('component-inherit');\nvar debug = require('debug')('engine.io-client:polling-xhr');\n\n/**\n * Module exports.\n */\n\nmodule.exports = XHR;\nmodule.exports.Request = Request;\n\n/**\n * Empty function\n */\n\nfunction empty () {}\n\n/**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction XHR (opts) {\n Polling.call(this, opts);\n this.requestTimeout = opts.requestTimeout;\n this.extraHeaders = opts.extraHeaders;\n\n if (global.location) {\n var isSSL = 'https:' === location.protocol;\n var port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n this.xd = opts.hostname !== global.location.hostname ||\n port !== opts.port;\n this.xs = opts.secure !== isSSL;\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(XHR, Polling);\n\n/**\n * XHR supports binary\n */\n\nXHR.prototype.supportsBinary = true;\n\n/**\n * Creates a request.\n *\n * @param {String} method\n * @api private\n */\n\nXHR.prototype.request = function (opts) {\n opts = opts || {};\n opts.uri = this.uri();\n opts.xd = this.xd;\n opts.xs = this.xs;\n opts.agent = this.agent || false;\n opts.supportsBinary = this.supportsBinary;\n opts.enablesXDR = this.enablesXDR;\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n opts.requestTimeout = this.requestTimeout;\n\n // other options for Node.js client\n opts.extraHeaders = this.extraHeaders;\n\n return new Request(opts);\n};\n\n/**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @api private\n */\n\nXHR.prototype.doWrite = function (data, fn) {\n var isBinary = typeof data !== 'string' && data !== undefined;\n var req = this.request({ method: 'POST', data: data, isBinary: isBinary });\n var self = this;\n req.on('success', fn);\n req.on('error', function (err) {\n self.onError('xhr post error', err);\n });\n this.sendXhr = req;\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nXHR.prototype.doPoll = function () {\n debug('xhr poll');\n var req = this.request();\n var self = this;\n req.on('data', function (data) {\n self.onData(data);\n });\n req.on('error', function (err) {\n self.onError('xhr poll error', err);\n });\n this.pollXhr = req;\n};\n\n/**\n * Request constructor\n *\n * @param {Object} options\n * @api public\n */\n\nfunction Request (opts) {\n this.method = opts.method || 'GET';\n this.uri = opts.uri;\n this.xd = !!opts.xd;\n this.xs = !!opts.xs;\n this.async = false !== opts.async;\n this.data = undefined !== opts.data ? opts.data : null;\n this.agent = opts.agent;\n this.isBinary = opts.isBinary;\n this.supportsBinary = opts.supportsBinary;\n this.enablesXDR = opts.enablesXDR;\n this.requestTimeout = opts.requestTimeout;\n\n // SSL options for Node.js client\n this.pfx = opts.pfx;\n this.key = opts.key;\n this.passphrase = opts.passphrase;\n this.cert = opts.cert;\n this.ca = opts.ca;\n this.ciphers = opts.ciphers;\n this.rejectUnauthorized = opts.rejectUnauthorized;\n\n // other options for Node.js client\n this.extraHeaders = opts.extraHeaders;\n\n this.create();\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Request.prototype);\n\n/**\n * Creates the XHR object and sends the request.\n *\n * @api private\n */\n\nRequest.prototype.create = function () {\n var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n\n var xhr = this.xhr = new XMLHttpRequest(opts);\n var self = this;\n\n try {\n debug('xhr open %s: %s', this.method, this.uri);\n xhr.open(this.method, this.uri, this.async);\n try {\n if (this.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (var i in this.extraHeaders) {\n if (this.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.extraHeaders[i]);\n }\n }\n }\n } catch (e) {}\n\n if ('POST' === this.method) {\n try {\n if (this.isBinary) {\n xhr.setRequestHeader('Content-type', 'application/octet-stream');\n } else {\n xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');\n }\n } catch (e) {}\n }\n\n try {\n xhr.setRequestHeader('Accept', '*/*');\n } catch (e) {}\n\n // ie6 check\n if ('withCredentials' in xhr) {\n xhr.withCredentials = true;\n }\n\n if (this.requestTimeout) {\n xhr.timeout = this.requestTimeout;\n }\n\n if (this.hasXDR()) {\n xhr.onload = function () {\n self.onLoad();\n };\n xhr.onerror = function () {\n self.onError(xhr.responseText);\n };\n } else {\n xhr.onreadystatechange = function () {\n if (xhr.readyState === 2) {\n var contentType;\n try {\n contentType = xhr.getResponseHeader('Content-Type');\n } catch (e) {}\n if (contentType === 'application/octet-stream') {\n xhr.responseType = 'arraybuffer';\n }\n }\n if (4 !== xhr.readyState) return;\n if (200 === xhr.status || 1223 === xhr.status) {\n self.onLoad();\n } else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n setTimeout(function () {\n self.onError(xhr.status);\n }, 0);\n }\n };\n }\n\n debug('xhr data %s', this.data);\n xhr.send(this.data);\n } catch (e) {\n // Need to defer since .create() is called directly fhrom the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n setTimeout(function () {\n self.onError(e);\n }, 0);\n return;\n }\n\n if (global.document) {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n};\n\n/**\n * Called upon successful response.\n *\n * @api private\n */\n\nRequest.prototype.onSuccess = function () {\n this.emit('success');\n this.cleanup();\n};\n\n/**\n * Called if we have data.\n *\n * @api private\n */\n\nRequest.prototype.onData = function (data) {\n this.emit('data', data);\n this.onSuccess();\n};\n\n/**\n * Called upon error.\n *\n * @api private\n */\n\nRequest.prototype.onError = function (err) {\n this.emit('error', err);\n this.cleanup(true);\n};\n\n/**\n * Cleans up house.\n *\n * @api private\n */\n\nRequest.prototype.cleanup = function (fromError) {\n if ('undefined' === typeof this.xhr || null === this.xhr) {\n return;\n }\n // xmlhttprequest\n if (this.hasXDR()) {\n this.xhr.onload = this.xhr.onerror = empty;\n } else {\n this.xhr.onreadystatechange = empty;\n }\n\n if (fromError) {\n try {\n this.xhr.abort();\n } catch (e) {}\n }\n\n if (global.document) {\n delete Request.requests[this.index];\n }\n\n this.xhr = null;\n};\n\n/**\n * Called upon load.\n *\n * @api private\n */\n\nRequest.prototype.onLoad = function () {\n var data;\n try {\n var contentType;\n try {\n contentType = this.xhr.getResponseHeader('Content-Type');\n } catch (e) {}\n if (contentType === 'application/octet-stream') {\n data = this.xhr.response || this.xhr.responseText;\n } else {\n data = this.xhr.responseText;\n }\n } catch (e) {\n this.onError(e);\n }\n if (null != data) {\n this.onData(data);\n }\n};\n\n/**\n * Check if it has XDomainRequest.\n *\n * @api private\n */\n\nRequest.prototype.hasXDR = function () {\n return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;\n};\n\n/**\n * Aborts the request.\n *\n * @api public\n */\n\nRequest.prototype.abort = function () {\n this.cleanup();\n};\n\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\n\nRequest.requestsCount = 0;\nRequest.requests = {};\n\nif (global.document) {\n if (global.attachEvent) {\n global.attachEvent('onunload', unloadHandler);\n } else if (global.addEventListener) {\n global.addEventListener('beforeunload', unloadHandler, false);\n }\n}\n\nfunction unloadHandler () {\n for (var i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling-xhr.js\n// module id = 19\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar Transport = require('../transport');\nvar parseqs = require('parseqs');\nvar parser = require('engine.io-parser');\nvar inherit = require('component-inherit');\nvar yeast = require('yeast');\nvar debug = require('debug')('engine.io-client:polling');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Polling;\n\n/**\n * Is XHR2 supported?\n */\n\nvar hasXHR2 = (function () {\n var XMLHttpRequest = require('xmlhttprequest-ssl');\n var xhr = new XMLHttpRequest({ xdomain: false });\n return null != xhr.responseType;\n})();\n\n/**\n * Polling interface.\n *\n * @param {Object} opts\n * @api private\n */\n\nfunction Polling (opts) {\n var forceBase64 = (opts && opts.forceBase64);\n if (!hasXHR2 || forceBase64) {\n this.supportsBinary = false;\n }\n Transport.call(this, opts);\n}\n\n/**\n * Inherits from Transport.\n */\n\ninherit(Polling, Transport);\n\n/**\n * Transport name.\n */\n\nPolling.prototype.name = 'polling';\n\n/**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @api private\n */\n\nPolling.prototype.doOpen = function () {\n this.poll();\n};\n\n/**\n * Pauses polling.\n *\n * @param {Function} callback upon buffers are flushed and transport is paused\n * @api private\n */\n\nPolling.prototype.pause = function (onPause) {\n var self = this;\n\n this.readyState = 'pausing';\n\n function pause () {\n debug('paused');\n self.readyState = 'paused';\n onPause();\n }\n\n if (this.polling || !this.writable) {\n var total = 0;\n\n if (this.polling) {\n debug('we are currently polling - waiting to pause');\n total++;\n this.once('pollComplete', function () {\n debug('pre-pause polling complete');\n --total || pause();\n });\n }\n\n if (!this.writable) {\n debug('we are currently writing - waiting to pause');\n total++;\n this.once('drain', function () {\n debug('pre-pause writing complete');\n --total || pause();\n });\n }\n } else {\n pause();\n }\n};\n\n/**\n * Starts polling cycle.\n *\n * @api public\n */\n\nPolling.prototype.poll = function () {\n debug('polling');\n this.polling = true;\n this.doPoll();\n this.emit('poll');\n};\n\n/**\n * Overloads onData to detect payloads.\n *\n * @api private\n */\n\nPolling.prototype.onData = function (data) {\n var self = this;\n debug('polling got data %s', data);\n var callback = function (packet, index, total) {\n // if its the first message we consider the transport open\n if ('opening' === self.readyState) {\n self.onOpen();\n }\n\n // if its a close packet, we close the ongoing requests\n if ('close' === packet.type) {\n self.onClose();\n return false;\n }\n\n // otherwise bypass onData and handle the message\n self.onPacket(packet);\n };\n\n // decode payload\n parser.decodePayload(data, this.socket.binaryType, callback);\n\n // if an event did not trigger closing\n if ('closed' !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emit('pollComplete');\n\n if ('open' === this.readyState) {\n this.poll();\n } else {\n debug('ignoring poll - transport state \"%s\"', this.readyState);\n }\n }\n};\n\n/**\n * For polling, send a close packet.\n *\n * @api private\n */\n\nPolling.prototype.doClose = function () {\n var self = this;\n\n function close () {\n debug('writing close packet');\n self.write([{ type: 'close' }]);\n }\n\n if ('open' === this.readyState) {\n debug('transport open - closing');\n close();\n } else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n debug('transport not open - deferring close');\n this.once('open', close);\n }\n};\n\n/**\n * Writes a packets payload.\n *\n * @param {Array} data packets\n * @param {Function} drain callback\n * @api private\n */\n\nPolling.prototype.write = function (packets) {\n var self = this;\n this.writable = false;\n var callbackfn = function () {\n self.writable = true;\n self.emit('drain');\n };\n\n parser.encodePayload(packets, this.supportsBinary, function (data) {\n self.doWrite(data, callbackfn);\n });\n};\n\n/**\n * Generates uri for connection.\n *\n * @api private\n */\n\nPolling.prototype.uri = function () {\n var query = this.query || {};\n var schema = this.secure ? 'https' : 'http';\n var port = '';\n\n // cache busting is forced\n if (false !== this.timestampRequests) {\n query[this.timestampParam] = yeast();\n }\n\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // avoid port if default for schema\n if (this.port && (('https' === schema && Number(this.port) !== 443) ||\n ('http' === schema && Number(this.port) !== 80))) {\n port = ':' + this.port;\n }\n\n // prepend ? to query\n if (query.length) {\n query = '?' + query;\n }\n\n var ipv6 = this.hostname.indexOf(':') !== -1;\n return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling.js\n// module id = 20\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar parser = require('engine.io-parser');\nvar Emitter = require('component-emitter');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Transport;\n\n/**\n * Transport abstract constructor.\n *\n * @param {Object} options.\n * @api private\n */\n\nfunction Transport (opts) {\n this.path = opts.path;\n this.hostname = opts.hostname;\n this.port = opts.port;\n this.secure = opts.secure;\n this.query = opts.query;\n this.timestampParam = opts.timestampParam;\n this.timestampRequests = opts.timestampRequests;\n this.readyState = '';\n this.agent = opts.agent || false;\n this.socket = opts.socket;\n this.enablesXDR = opts.enablesXDR;\n\n // SSL options for Node.js client\n this.pfx = opts.pfx;\n this.key = opts.key;\n this.passphrase = opts.passphrase;\n this.cert = opts.cert;\n this.ca = opts.ca;\n this.ciphers = opts.ciphers;\n this.rejectUnauthorized = opts.rejectUnauthorized;\n this.forceNode = opts.forceNode;\n\n // other options for Node.js client\n this.extraHeaders = opts.extraHeaders;\n this.localAddress = opts.localAddress;\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Transport.prototype);\n\n/**\n * Emits an error.\n *\n * @param {String} str\n * @return {Transport} for chaining\n * @api public\n */\n\nTransport.prototype.onError = function (msg, desc) {\n var err = new Error(msg);\n err.type = 'TransportError';\n err.description = desc;\n this.emit('error', err);\n return this;\n};\n\n/**\n * Opens the transport.\n *\n * @api public\n */\n\nTransport.prototype.open = function () {\n if ('closed' === this.readyState || '' === this.readyState) {\n this.readyState = 'opening';\n this.doOpen();\n }\n\n return this;\n};\n\n/**\n * Closes the transport.\n *\n * @api private\n */\n\nTransport.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.doClose();\n this.onClose();\n }\n\n return this;\n};\n\n/**\n * Sends multiple packets.\n *\n * @param {Array} packets\n * @api private\n */\n\nTransport.prototype.send = function (packets) {\n if ('open' === this.readyState) {\n this.write(packets);\n } else {\n throw new Error('Transport not open');\n }\n};\n\n/**\n * Called upon open\n *\n * @api private\n */\n\nTransport.prototype.onOpen = function () {\n this.readyState = 'open';\n this.writable = true;\n this.emit('open');\n};\n\n/**\n * Called with data.\n *\n * @param {String} data\n * @api private\n */\n\nTransport.prototype.onData = function (data) {\n var packet = parser.decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n};\n\n/**\n * Called with a decoded packet.\n */\n\nTransport.prototype.onPacket = function (packet) {\n this.emit('packet', packet);\n};\n\n/**\n * Called upon close.\n *\n * @api private\n */\n\nTransport.prototype.onClose = function () {\n this.readyState = 'closed';\n this.emit('close');\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transport.js\n// module id = 21\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar keys = require('./keys');\nvar hasBinary = require('has-binary2');\nvar sliceBuffer = require('arraybuffer.slice');\nvar after = require('after');\nvar utf8 = require('./utf8');\n\nvar base64encoder;\nif (global && global.ArrayBuffer) {\n base64encoder = require('base64-arraybuffer');\n}\n\n/**\n * Check if we are running an android browser. That requires us to use\n * ArrayBuffer with polling transports...\n *\n * http://ghinda.net/jpeg-blob-ajax-android/\n */\n\nvar isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);\n\n/**\n * Check if we are running in PhantomJS.\n * Uploading a Blob with PhantomJS does not work correctly, as reported here:\n * https://github.com/ariya/phantomjs/issues/11395\n * @type boolean\n */\nvar isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);\n\n/**\n * When true, avoids using Blobs to encode payloads.\n * @type boolean\n */\nvar dontSendBlobs = isAndroid || isPhantomJS;\n\n/**\n * Current protocol version.\n */\n\nexports.protocol = 3;\n\n/**\n * Packet types.\n */\n\nvar packets = exports.packets = {\n open: 0 // non-ws\n , close: 1 // non-ws\n , ping: 2\n , pong: 3\n , message: 4\n , upgrade: 5\n , noop: 6\n};\n\nvar packetslist = keys(packets);\n\n/**\n * Premade error packet.\n */\n\nvar err = { type: 'error', data: 'parser error' };\n\n/**\n * Create a blob api even for blob builder when vendor prefixes exist\n */\n\nvar Blob = require('blob');\n\n/**\n * Encodes a packet.\n *\n * <packet type id> [ <data> ]\n *\n * Example:\n *\n * 5hello world\n * 3\n * 4\n *\n * Binary is encoded in an identical principle\n *\n * @api private\n */\n\nexports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {\n if (typeof supportsBinary === 'function') {\n callback = supportsBinary;\n supportsBinary = false;\n }\n\n if (typeof utf8encode === 'function') {\n callback = utf8encode;\n utf8encode = null;\n }\n\n var data = (packet.data === undefined)\n ? undefined\n : packet.data.buffer || packet.data;\n\n if (global.ArrayBuffer && data instanceof ArrayBuffer) {\n return encodeArrayBuffer(packet, supportsBinary, callback);\n } else if (Blob && data instanceof global.Blob) {\n return encodeBlob(packet, supportsBinary, callback);\n }\n\n // might be an object with { base64: true, data: dataAsBase64String }\n if (data && data.base64) {\n return encodeBase64Object(packet, callback);\n }\n\n // Sending data as a utf-8 string\n var encoded = packets[packet.type];\n\n // data fragment is optional\n if (undefined !== packet.data) {\n encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);\n }\n\n return callback('' + encoded);\n\n};\n\nfunction encodeBase64Object(packet, callback) {\n // packet data is an object { base64: true, data: dataAsBase64String }\n var message = 'b' + exports.packets[packet.type] + packet.data.data;\n return callback(message);\n}\n\n/**\n * Encode packet helpers for binary types\n */\n\nfunction encodeArrayBuffer(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n var data = packet.data;\n var contentArray = new Uint8Array(data);\n var resultBuffer = new Uint8Array(1 + data.byteLength);\n\n resultBuffer[0] = packets[packet.type];\n for (var i = 0; i < contentArray.length; i++) {\n resultBuffer[i+1] = contentArray[i];\n }\n\n return callback(resultBuffer.buffer);\n}\n\nfunction encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n var fr = new FileReader();\n fr.onload = function() {\n packet.data = fr.result;\n exports.encodePacket(packet, supportsBinary, true, callback);\n };\n return fr.readAsArrayBuffer(packet.data);\n}\n\nfunction encodeBlob(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n if (dontSendBlobs) {\n return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);\n }\n\n var length = new Uint8Array(1);\n length[0] = packets[packet.type];\n var blob = new Blob([length.buffer, packet.data]);\n\n return callback(blob);\n}\n\n/**\n * Encodes a packet with binary data in a base64 string\n *\n * @param {Object} packet, has `type` and `data`\n * @return {String} base64 encoded message\n */\n\nexports.encodeBase64Packet = function(packet, callback) {\n var message = 'b' + exports.packets[packet.type];\n if (Blob && packet.data instanceof global.Blob) {\n var fr = new FileReader();\n fr.onload = function() {\n var b64 = fr.result.split(',')[1];\n callback(message + b64);\n };\n return fr.readAsDataURL(packet.data);\n }\n\n var b64data;\n try {\n b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));\n } catch (e) {\n // iPhone Safari doesn't let you apply with typed arrays\n var typed = new Uint8Array(packet.data);\n var basic = new Array(typed.length);\n for (var i = 0; i < typed.length; i++) {\n basic[i] = typed[i];\n }\n b64data = String.fromCharCode.apply(null, basic);\n }\n message += global.btoa(b64data);\n return callback(message);\n};\n\n/**\n * Decodes a packet. Changes format to Blob if requested.\n *\n * @return {Object} with `type` and `data` (if any)\n * @api private\n */\n\nexports.decodePacket = function (data, binaryType, utf8decode) {\n if (data === undefined) {\n return err;\n }\n // String data\n if (typeof data === 'string') {\n if (data.charAt(0) === 'b') {\n return exports.decodeBase64Packet(data.substr(1), binaryType);\n }\n\n if (utf8decode) {\n data = tryDecode(data);\n if (data === false) {\n return err;\n }\n }\n var type = data.charAt(0);\n\n if (Number(type) != type || !packetslist[type]) {\n return err;\n }\n\n if (data.length > 1) {\n return { type: packetslist[type], data: data.substring(1) };\n } else {\n return { type: packetslist[type] };\n }\n }\n\n var asArray = new Uint8Array(data);\n var type = asArray[0];\n var rest = sliceBuffer(data, 1);\n if (Blob && binaryType === 'blob') {\n rest = new Blob([rest]);\n }\n return { type: packetslist[type], data: rest };\n};\n\nfunction tryDecode(data) {\n try {\n data = utf8.decode(data, { strict: false });\n } catch (e) {\n return false;\n }\n return data;\n}\n\n/**\n * Decodes a packet encoded in a base64 string\n *\n * @param {String} base64 encoded message\n * @return {Object} with `type` and `data` (if any)\n */\n\nexports.decodeBase64Packet = function(msg, binaryType) {\n var type = packetslist[msg.charAt(0)];\n if (!base64encoder) {\n return { type: type, data: { base64: true, data: msg.substr(1) } };\n }\n\n var data = base64encoder.decode(msg.substr(1));\n\n if (binaryType === 'blob' && Blob) {\n data = new Blob([data]);\n }\n\n return { type: type, data: data };\n};\n\n/**\n * Encodes multiple messages (payload).\n *\n * <length>:data\n *\n * Example:\n *\n * 11:hello world2:hi\n *\n * If any contents are binary, they will be encoded as base64 strings. Base64\n * encoded strings are marked with a b before the length specifier\n *\n * @param {Array} packets\n * @api private\n */\n\nexports.encodePayload = function (packets, supportsBinary, callback) {\n if (typeof supportsBinary === 'function') {\n callback = supportsBinary;\n supportsBinary = null;\n }\n\n var isBinary = hasBinary(packets);\n\n if (supportsBinary && isBinary) {\n if (Blob && !dontSendBlobs) {\n return exports.encodePayloadAsBlob(packets, callback);\n }\n\n return exports.encodePayloadAsArrayBuffer(packets, callback);\n }\n\n if (!packets.length) {\n return callback('0:');\n }\n\n function setLengthHeader(message) {\n return message.length + ':' + message;\n }\n\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {\n doneCallback(null, setLengthHeader(message));\n });\n }\n\n map(packets, encodeOne, function(err, results) {\n return callback(results.join(''));\n });\n};\n\n/**\n * Async array map using after\n */\n\nfunction map(ary, each, done) {\n var result = new Array(ary.length);\n var next = after(ary.length, done);\n\n var eachWithIndex = function(i, el, cb) {\n each(el, function(error, msg) {\n result[i] = msg;\n cb(error, result);\n });\n };\n\n for (var i = 0; i < ary.length; i++) {\n eachWithIndex(i, ary[i], next);\n }\n}\n\n/*\n * Decodes data when a payload is maybe expected. Possible binary contents are\n * decoded from their base64 representation\n *\n * @param {String} data, callback method\n * @api public\n */\n\nexports.decodePayload = function (data, binaryType, callback) {\n if (typeof data !== 'string') {\n return exports.decodePayloadAsBinary(data, binaryType, callback);\n }\n\n if (typeof binaryType === 'function') {\n callback = binaryType;\n binaryType = null;\n }\n\n var packet;\n if (data === '') {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n var length = '', n, msg;\n\n for (var i = 0, l = data.length; i < l; i++) {\n var chr = data.charAt(i);\n\n if (chr !== ':') {\n length += chr;\n continue;\n }\n\n if (length === '' || (length != (n = Number(length)))) {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n msg = data.substr(i + 1, n);\n\n if (length != msg.length) {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n if (msg.length) {\n packet = exports.decodePacket(msg, binaryType, false);\n\n if (err.type === packet.type && err.data === packet.data) {\n // parser error in individual packet - ignoring payload\n return callback(err, 0, 1);\n }\n\n var ret = callback(packet, i + n, l);\n if (false === ret) return;\n }\n\n // advance cursor\n i += n;\n length = '';\n }\n\n if (length !== '') {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n};\n\n/**\n * Encodes multiple messages (payload) as binary.\n *\n * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number\n * 255><data>\n *\n * Example:\n * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers\n *\n * @param {Array} packets\n * @return {ArrayBuffer} encoded payload\n * @api private\n */\n\nexports.encodePayloadAsArrayBuffer = function(packets, callback) {\n if (!packets.length) {\n return callback(new ArrayBuffer(0));\n }\n\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, true, true, function(data) {\n return doneCallback(null, data);\n });\n }\n\n map(packets, encodeOne, function(err, encodedPackets) {\n var totalLength = encodedPackets.reduce(function(acc, p) {\n var len;\n if (typeof p === 'string'){\n len = p.length;\n } else {\n len = p.byteLength;\n }\n return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2\n }, 0);\n\n var resultArray = new Uint8Array(totalLength);\n\n var bufferIndex = 0;\n encodedPackets.forEach(function(p) {\n var isString = typeof p === 'string';\n var ab = p;\n if (isString) {\n var view = new Uint8Array(p.length);\n for (var i = 0; i < p.length; i++) {\n view[i] = p.charCodeAt(i);\n }\n ab = view.buffer;\n }\n\n if (isString) { // not true binary\n resultArray[bufferIndex++] = 0;\n } else { // true binary\n resultArray[bufferIndex++] = 1;\n }\n\n var lenStr = ab.byteLength.toString();\n for (var i = 0; i < lenStr.length; i++) {\n resultArray[bufferIndex++] = parseInt(lenStr[i]);\n }\n resultArray[bufferIndex++] = 255;\n\n var view = new Uint8Array(ab);\n for (var i = 0; i < view.length; i++) {\n resultArray[bufferIndex++] = view[i];\n }\n });\n\n return callback(resultArray.buffer);\n });\n};\n\n/**\n * Encode as Blob\n */\n\nexports.encodePayloadAsBlob = function(packets, callback) {\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, true, true, function(encoded) {\n var binaryIdentifier = new Uint8Array(1);\n binaryIdentifier[0] = 1;\n if (typeof encoded === 'string') {\n var view = new Uint8Array(encoded.length);\n for (var i = 0; i < encoded.length; i++) {\n view[i] = encoded.charCodeAt(i);\n }\n encoded = view.buffer;\n binaryIdentifier[0] = 0;\n }\n\n var len = (encoded instanceof ArrayBuffer)\n ? encoded.byteLength\n : encoded.size;\n\n var lenStr = len.toString();\n var lengthAry = new Uint8Array(lenStr.length + 1);\n for (var i = 0; i < lenStr.length; i++) {\n lengthAry[i] = parseInt(lenStr[i]);\n }\n lengthAry[lenStr.length] = 255;\n\n if (Blob) {\n var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);\n doneCallback(null, blob);\n }\n });\n }\n\n map(packets, encodeOne, function(err, results) {\n return callback(new Blob(results));\n });\n};\n\n/*\n * Decodes data when a payload is maybe expected. Strings are decoded by\n * interpreting each byte as a key code for entries marked to start with 0. See\n * description of encodePayloadAsBinary\n *\n * @param {ArrayBuffer} data, callback method\n * @api public\n */\n\nexports.decodePayloadAsBinary = function (data, binaryType, callback) {\n if (typeof binaryType === 'function') {\n callback = binaryType;\n binaryType = null;\n }\n\n var bufferTail = data;\n var buffers = [];\n\n while (bufferTail.byteLength > 0) {\n var tailArray = new Uint8Array(bufferTail);\n var isString = tailArray[0] === 0;\n var msgLength = '';\n\n for (var i = 1; ; i++) {\n if (tailArray[i] === 255) break;\n\n // 310 = char length of Number.MAX_VALUE\n if (msgLength.length > 310) {\n return callback(err, 0, 1);\n }\n\n msgLength += tailArray[i];\n }\n\n bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);\n msgLength = parseInt(msgLength);\n\n var msg = sliceBuffer(bufferTail, 0, msgLength);\n if (isString) {\n try {\n msg = String.fromCharCode.apply(null, new Uint8Array(msg));\n } catch (e) {\n // iPhone Safari doesn't let you apply to typed arrays\n var typed = new Uint8Array(msg);\n msg = '';\n for (var i = 0; i < typed.length; i++) {\n msg += String.fromCharCode(typed[i]);\n }\n }\n }\n\n buffers.push(msg);\n bufferTail = sliceBuffer(bufferTail, msgLength);\n }\n\n var total = buffers.length;\n buffers.forEach(function(buffer, i) {\n callback(exports.decodePacket(buffer, binaryType, true), i, total);\n });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/browser.js\n// module id = 22\n// module chunks = 0","\n/**\n * Gets the keys for an object.\n *\n * @return {Array} keys\n * @api private\n */\n\nmodule.exports = Object.keys || function keys (obj){\n var arr = [];\n var has = Object.prototype.hasOwnProperty;\n\n for (var i in obj) {\n if (has.call(obj, i)) {\n arr.push(i);\n }\n }\n return arr;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/keys.js\n// module id = 23\n// module chunks = 0","/**\n * An abstraction for slicing an arraybuffer even when\n * ArrayBuffer.prototype.slice is not supported\n *\n * @api public\n */\n\nmodule.exports = function(arraybuffer, start, end) {\n var bytes = arraybuffer.byteLength;\n start = start || 0;\n end = end || bytes;\n\n if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\n if (start < 0) { start += bytes; }\n if (end < 0) { end += bytes; }\n if (end > bytes) { end = bytes; }\n\n if (start >= bytes || start >= end || bytes === 0) {\n return new ArrayBuffer(0);\n }\n\n var abv = new Uint8Array(arraybuffer);\n var result = new Uint8Array(end - start);\n for (var i = start, ii = 0; i < end; i++, ii++) {\n result[ii] = abv[i];\n }\n return result.buffer;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/arraybuffer.slice/index.js\n// module id = 24\n// module chunks = 0","module.exports = after\n\nfunction after(count, callback, err_cb) {\n var bail = false\n err_cb = err_cb || noop\n proxy.count = count\n\n return (count === 0) ? callback() : proxy\n\n function proxy(err, result) {\n if (proxy.count <= 0) {\n throw new Error('after called too many times')\n }\n --proxy.count\n\n // after first error, rest are passed to err_cb\n if (err) {\n bail = true\n callback(err)\n // future error callbacks will go to error handler\n callback = err_cb\n } else if (proxy.count === 0 && !bail) {\n callback(null, result)\n }\n }\n}\n\nfunction noop() {}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/after/index.js\n// module id = 25\n// module chunks = 0","/*! https://mths.be/utf8js v2.1.2 by @mathias */\n;(function(root) {\n\n\t// Detect free variables `exports`\n\tvar freeExports = typeof exports == 'object' && exports;\n\n\t// Detect free variable `module`\n\tvar freeModule = typeof module == 'object' && module &&\n\t\tmodule.exports == freeExports && module;\n\n\t// Detect free variable `global`, from Node.js or Browserified code,\n\t// and use it as `root`\n\tvar freeGlobal = typeof global == 'object' && global;\n\tif (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {\n\t\troot = freeGlobal;\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\tvar stringFromCharCode = String.fromCharCode;\n\n\t// Taken from https://mths.be/punycode\n\tfunction ucs2decode(string) {\n\t\tvar output = [];\n\t\tvar counter = 0;\n\t\tvar length = string.length;\n\t\tvar value;\n\t\tvar extra;\n\t\twhile (counter < length) {\n\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t} else {\n\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\toutput.push(value);\n\t\t\t\t\tcounter--;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\toutput.push(value);\n\t\t\t}\n\t\t}\n\t\treturn output;\n\t}\n\n\t// Taken from https://mths.be/punycode\n\tfunction ucs2encode(array) {\n\t\tvar length = array.length;\n\t\tvar index = -1;\n\t\tvar value;\n\t\tvar output = '';\n\t\twhile (++index < length) {\n\t\t\tvalue = array[index];\n\t\t\tif (value > 0xFFFF) {\n\t\t\t\tvalue -= 0x10000;\n\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t}\n\t\t\toutput += stringFromCharCode(value);\n\t\t}\n\t\treturn output;\n\t}\n\n\tfunction checkScalarValue(codePoint, strict) {\n\t\tif (codePoint >= 0xD800 && codePoint <= 0xDFFF) {\n\t\t\tif (strict) {\n\t\t\t\tthrow Error(\n\t\t\t\t\t'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +\n\t\t\t\t\t' is not a scalar value'\n\t\t\t\t);\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\t\treturn true;\n\t}\n\t/*--------------------------------------------------------------------------*/\n\n\tfunction createByte(codePoint, shift) {\n\t\treturn stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);\n\t}\n\n\tfunction encodeCodePoint(codePoint, strict) {\n\t\tif ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence\n\t\t\treturn stringFromCharCode(codePoint);\n\t\t}\n\t\tvar symbol = '';\n\t\tif ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);\n\t\t}\n\t\telse if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence\n\t\t\tif (!checkScalarValue(codePoint, strict)) {\n\t\t\t\tcodePoint = 0xFFFD;\n\t\t\t}\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);\n\t\t\tsymbol += createByte(codePoint, 6);\n\t\t}\n\t\telse if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);\n\t\t\tsymbol += createByte(codePoint, 12);\n\t\t\tsymbol += createByte(codePoint, 6);\n\t\t}\n\t\tsymbol += stringFromCharCode((codePoint & 0x3F) | 0x80);\n\t\treturn symbol;\n\t}\n\n\tfunction utf8encode(string, opts) {\n\t\topts = opts || {};\n\t\tvar strict = false !== opts.strict;\n\n\t\tvar codePoints = ucs2decode(string);\n\t\tvar length = codePoints.length;\n\t\tvar index = -1;\n\t\tvar codePoint;\n\t\tvar byteString = '';\n\t\twhile (++index < length) {\n\t\t\tcodePoint = codePoints[index];\n\t\t\tbyteString += encodeCodePoint(codePoint, strict);\n\t\t}\n\t\treturn byteString;\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\tfunction readContinuationByte() {\n\t\tif (byteIndex >= byteCount) {\n\t\t\tthrow Error('Invalid byte index');\n\t\t}\n\n\t\tvar continuationByte = byteArray[byteIndex] & 0xFF;\n\t\tbyteIndex++;\n\n\t\tif ((continuationByte & 0xC0) == 0x80) {\n\t\t\treturn continuationByte & 0x3F;\n\t\t}\n\n\t\t// If we end up here, it’s not a continuation byte\n\t\tthrow Error('Invalid continuation byte');\n\t}\n\n\tfunction decodeSymbol(strict) {\n\t\tvar byte1;\n\t\tvar byte2;\n\t\tvar byte3;\n\t\tvar byte4;\n\t\tvar codePoint;\n\n\t\tif (byteIndex > byteCount) {\n\t\t\tthrow Error('Invalid byte index');\n\t\t}\n\n\t\tif (byteIndex == byteCount) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Read first byte\n\t\tbyte1 = byteArray[byteIndex] & 0xFF;\n\t\tbyteIndex++;\n\n\t\t// 1-byte sequence (no continuation bytes)\n\t\tif ((byte1 & 0x80) == 0) {\n\t\t\treturn byte1;\n\t\t}\n\n\t\t// 2-byte sequence\n\t\tif ((byte1 & 0xE0) == 0xC0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x1F) << 6) | byte2;\n\t\t\tif (codePoint >= 0x80) {\n\t\t\t\treturn codePoint;\n\t\t\t} else {\n\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t}\n\t\t}\n\n\t\t// 3-byte sequence (may include unpaired surrogates)\n\t\tif ((byte1 & 0xF0) == 0xE0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tbyte3 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;\n\t\t\tif (codePoint >= 0x0800) {\n\t\t\t\treturn checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;\n\t\t\t} else {\n\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t}\n\t\t}\n\n\t\t// 4-byte sequence\n\t\tif ((byte1 & 0xF8) == 0xF0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tbyte3 = readContinuationByte();\n\t\t\tbyte4 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |\n\t\t\t\t(byte3 << 0x06) | byte4;\n\t\t\tif (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {\n\t\t\t\treturn codePoint;\n\t\t\t}\n\t\t}\n\n\t\tthrow Error('Invalid UTF-8 detected');\n\t}\n\n\tvar byteArray;\n\tvar byteCount;\n\tvar byteIndex;\n\tfunction utf8decode(byteString, opts) {\n\t\topts = opts || {};\n\t\tvar strict = false !== opts.strict;\n\n\t\tbyteArray = ucs2decode(byteString);\n\t\tbyteCount = byteArray.length;\n\t\tbyteIndex = 0;\n\t\tvar codePoints = [];\n\t\tvar tmp;\n\t\twhile ((tmp = decodeSymbol(strict)) !== false) {\n\t\t\tcodePoints.push(tmp);\n\t\t}\n\t\treturn ucs2encode(codePoints);\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\tvar utf8 = {\n\t\t'version': '2.1.2',\n\t\t'encode': utf8encode,\n\t\t'decode': utf8decode\n\t};\n\n\t// Some AMD build optimizers, like r.js, check for specific condition patterns\n\t// like the following:\n\tif (\n\t\ttypeof define == 'function' &&\n\t\ttypeof define.amd == 'object' &&\n\t\tdefine.amd\n\t) {\n\t\tdefine(function() {\n\t\t\treturn utf8;\n\t\t});\n\t}\telse if (freeExports && !freeExports.nodeType) {\n\t\tif (freeModule) { // in Node.js or RingoJS v0.8.0+\n\t\t\tfreeModule.exports = utf8;\n\t\t} else { // in Narwhal or RingoJS v0.7.0-\n\t\t\tvar object = {};\n\t\t\tvar hasOwnProperty = object.hasOwnProperty;\n\t\t\tfor (var key in utf8) {\n\t\t\t\thasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);\n\t\t\t}\n\t\t}\n\t} else { // in Rhino or a web browser\n\t\troot.utf8 = utf8;\n\t}\n\n}(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/utf8.js\n// module id = 26\n// module chunks = 0","module.exports = function(module) {\r\n\tif(!module.webpackPolyfill) {\r\n\t\tmodule.deprecate = function() {};\r\n\t\tmodule.paths = [];\r\n\t\t// module.parent = undefined by default\r\n\t\tmodule.children = [];\r\n\t\tmodule.webpackPolyfill = 1;\r\n\t}\r\n\treturn module;\r\n}\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// (webpack)/buildin/module.js\n// module id = 27\n// module chunks = 0","/*\n * base64-arraybuffer\n * https://github.com/niklasvh/base64-arraybuffer\n *\n * Copyright (c) 2012 Niklas von Hertzen\n * Licensed under the MIT license.\n */\n(function(){\n \"use strict\";\n\n var chars = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n // Use a lookup table to find the index.\n var lookup = new Uint8Array(256);\n for (var i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n }\n\n exports.encode = function(arraybuffer) {\n var bytes = new Uint8Array(arraybuffer),\n i, len = bytes.length, base64 = \"\";\n\n for (i = 0; i < len; i+=3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n\n if ((len % 3) === 2) {\n base64 = base64.substring(0, base64.length - 1) + \"=\";\n } else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + \"==\";\n }\n\n return base64;\n };\n\n exports.decode = function(base64) {\n var bufferLength = base64.length * 0.75,\n len = base64.length, i, p = 0,\n encoded1, encoded2, encoded3, encoded4;\n\n if (base64[base64.length - 1] === \"=\") {\n bufferLength--;\n if (base64[base64.length - 2] === \"=\") {\n bufferLength--;\n }\n }\n\n var arraybuffer = new ArrayBuffer(bufferLength),\n bytes = new Uint8Array(arraybuffer);\n\n for (i = 0; i < len; i+=4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i+1)];\n encoded3 = lookup[base64.charCodeAt(i+2)];\n encoded4 = lookup[base64.charCodeAt(i+3)];\n\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n\n return arraybuffer;\n };\n})();\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/base64-arraybuffer/lib/base64-arraybuffer.js\n// module id = 28\n// module chunks = 0","/**\n * Create a blob builder even when vendor prefixes exist\n */\n\nvar BlobBuilder = global.BlobBuilder\n || global.WebKitBlobBuilder\n || global.MSBlobBuilder\n || global.MozBlobBuilder;\n\n/**\n * Check if Blob constructor is supported\n */\n\nvar blobSupported = (function() {\n try {\n var a = new Blob(['hi']);\n return a.size === 2;\n } catch(e) {\n return false;\n }\n})();\n\n/**\n * Check if Blob constructor supports ArrayBufferViews\n * Fails in Safari 6, so we need to map to ArrayBuffers there.\n */\n\nvar blobSupportsArrayBufferView = blobSupported && (function() {\n try {\n var b = new Blob([new Uint8Array([1,2])]);\n return b.size === 2;\n } catch(e) {\n return false;\n }\n})();\n\n/**\n * Check if BlobBuilder is supported\n */\n\nvar blobBuilderSupported = BlobBuilder\n && BlobBuilder.prototype.append\n && BlobBuilder.prototype.getBlob;\n\n/**\n * Helper function that maps ArrayBufferViews to ArrayBuffers\n * Used by BlobBuilder constructor and old browsers that didn't\n * support it in the Blob constructor.\n */\n\nfunction mapArrayBufferViews(ary) {\n for (var i = 0; i < ary.length; i++) {\n var chunk = ary[i];\n if (chunk.buffer instanceof ArrayBuffer) {\n var buf = chunk.buffer;\n\n // if this is a subarray, make a copy so we only\n // include the subarray region from the underlying buffer\n if (chunk.byteLength !== buf.byteLength) {\n var copy = new Uint8Array(chunk.byteLength);\n copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\n buf = copy.buffer;\n }\n\n ary[i] = buf;\n }\n }\n}\n\nfunction BlobBuilderConstructor(ary, options) {\n options = options || {};\n\n var bb = new BlobBuilder();\n mapArrayBufferViews(ary);\n\n for (var i = 0; i < ary.length; i++) {\n bb.append(ary[i]);\n }\n\n return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\n};\n\nfunction BlobConstructor(ary, options) {\n mapArrayBufferViews(ary);\n return new Blob(ary, options || {});\n};\n\nmodule.exports = (function() {\n if (blobSupported) {\n return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;\n } else if (blobBuilderSupported) {\n return BlobBuilderConstructor;\n } else {\n return undefined;\n }\n})();\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/blob/index.js\n// module id = 29\n// module chunks = 0","/**\r\n * Compiles a querystring\r\n * Returns string representation of the object\r\n *\r\n * @param {Object}\r\n * @api private\r\n */\r\n\r\nexports.encode = function (obj) {\r\n var str = '';\r\n\r\n for (var i in obj) {\r\n if (obj.hasOwnProperty(i)) {\r\n if (str.length) str += '&';\r\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\r\n }\r\n }\r\n\r\n return str;\r\n};\r\n\r\n/**\r\n * Parses a simple querystring into an object\r\n *\r\n * @param {String} qs\r\n * @api private\r\n */\r\n\r\nexports.decode = function(qs){\r\n var qry = {};\r\n var pairs = qs.split('&');\r\n for (var i = 0, l = pairs.length; i < l; i++) {\r\n var pair = pairs[i].split('=');\r\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\r\n }\r\n return qry;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/parseqs/index.js\n// module id = 30\n// module chunks = 0","\nmodule.exports = function(a, b){\n var fn = function(){};\n fn.prototype = b.prototype;\n a.prototype = new fn;\n a.prototype.constructor = a;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-inherit/index.js\n// module id = 31\n// module chunks = 0","'use strict';\n\nvar alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')\n , length = 64\n , map = {}\n , seed = 0\n , i = 0\n , prev;\n\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nfunction encode(num) {\n var encoded = '';\n\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n\n return encoded;\n}\n\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nfunction decode(str) {\n var decoded = 0;\n\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n\n return decoded;\n}\n\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nfunction yeast() {\n var now = encode(+new Date());\n\n if (now !== prev) return seed = 0, prev = now;\n return now +'.'+ encode(seed++);\n}\n\n//\n// Map each character to its index.\n//\nfor (; i < length; i++) map[alphabet[i]] = i;\n\n//\n// Expose the `yeast`, `encode` and `decode` functions.\n//\nyeast.encode = encode;\nyeast.decode = decode;\nmodule.exports = yeast;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/yeast/index.js\n// module id = 32\n// module chunks = 0","\n/**\n * Module requirements.\n */\n\nvar Polling = require('./polling');\nvar inherit = require('component-inherit');\n\n/**\n * Module exports.\n */\n\nmodule.exports = JSONPPolling;\n\n/**\n * Cached regular expressions.\n */\n\nvar rNewline = /\\n/g;\nvar rEscapedNewline = /\\\\n/g;\n\n/**\n * Global JSONP callbacks.\n */\n\nvar callbacks;\n\n/**\n * Noop.\n */\n\nfunction empty () { }\n\n/**\n * JSONP Polling constructor.\n *\n * @param {Object} opts.\n * @api public\n */\n\nfunction JSONPPolling (opts) {\n Polling.call(this, opts);\n\n this.query = this.query || {};\n\n // define global callbacks array if not present\n // we do this here (lazily) to avoid unneeded global pollution\n if (!callbacks) {\n // we need to consider multiple engines in the same page\n if (!global.___eio) global.___eio = [];\n callbacks = global.___eio;\n }\n\n // callback identifier\n this.index = callbacks.length;\n\n // add callback to jsonp global\n var self = this;\n callbacks.push(function (msg) {\n self.onData(msg);\n });\n\n // append to query string\n this.query.j = this.index;\n\n // prevent spurious errors from being emitted when the window is unloaded\n if (global.document && global.addEventListener) {\n global.addEventListener('beforeunload', function () {\n if (self.script) self.script.onerror = empty;\n }, false);\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(JSONPPolling, Polling);\n\n/*\n * JSONP only supports binary as base64 encoded strings\n */\n\nJSONPPolling.prototype.supportsBinary = false;\n\n/**\n * Closes the socket.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doClose = function () {\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n if (this.form) {\n this.form.parentNode.removeChild(this.form);\n this.form = null;\n this.iframe = null;\n }\n\n Polling.prototype.doClose.call(this);\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doPoll = function () {\n var self = this;\n var script = document.createElement('script');\n\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n script.async = true;\n script.src = this.uri();\n script.onerror = function (e) {\n self.onError('jsonp poll error', e);\n };\n\n var insertAt = document.getElementsByTagName('script')[0];\n if (insertAt) {\n insertAt.parentNode.insertBefore(script, insertAt);\n } else {\n (document.head || document.body).appendChild(script);\n }\n this.script = script;\n\n var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\n if (isUAgecko) {\n setTimeout(function () {\n var iframe = document.createElement('iframe');\n document.body.appendChild(iframe);\n document.body.removeChild(iframe);\n }, 100);\n }\n};\n\n/**\n * Writes with a hidden iframe.\n *\n * @param {String} data to send\n * @param {Function} called upon flush.\n * @api private\n */\n\nJSONPPolling.prototype.doWrite = function (data, fn) {\n var self = this;\n\n if (!this.form) {\n var form = document.createElement('form');\n var area = document.createElement('textarea');\n var id = this.iframeId = 'eio_iframe_' + this.index;\n var iframe;\n\n form.className = 'socketio';\n form.style.position = 'absolute';\n form.style.top = '-1000px';\n form.style.left = '-1000px';\n form.target = id;\n form.method = 'POST';\n form.setAttribute('accept-charset', 'utf-8');\n area.name = 'd';\n form.appendChild(area);\n document.body.appendChild(form);\n\n this.form = form;\n this.area = area;\n }\n\n this.form.action = this.uri();\n\n function complete () {\n initIframe();\n fn();\n }\n\n function initIframe () {\n if (self.iframe) {\n try {\n self.form.removeChild(self.iframe);\n } catch (e) {\n self.onError('jsonp polling iframe removal error', e);\n }\n }\n\n try {\n // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n var html = '<iframe src=\"javascript:0\" name=\"' + self.iframeId + '\">';\n iframe = document.createElement(html);\n } catch (e) {\n iframe = document.createElement('iframe');\n iframe.name = self.iframeId;\n iframe.src = 'javascript:0';\n }\n\n iframe.id = self.iframeId;\n\n self.form.appendChild(iframe);\n self.iframe = iframe;\n }\n\n initIframe();\n\n // escape \\n to prevent it from being converted into \\r\\n by some UAs\n // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side\n data = data.replace(rEscapedNewline, '\\\\\\n');\n this.area.value = data.replace(rNewline, '\\\\n');\n\n try {\n this.form.submit();\n } catch (e) {}\n\n if (this.iframe.attachEvent) {\n this.iframe.onreadystatechange = function () {\n if (self.iframe.readyState === 'complete') {\n complete();\n }\n };\n } else {\n this.iframe.onload = complete;\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling-jsonp.js\n// module id = 33\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar Transport = require('../transport');\nvar parser = require('engine.io-parser');\nvar parseqs = require('parseqs');\nvar inherit = require('component-inherit');\nvar yeast = require('yeast');\nvar debug = require('debug')('engine.io-client:websocket');\nvar BrowserWebSocket = global.WebSocket || global.MozWebSocket;\nvar NodeWebSocket;\nif (typeof window === 'undefined') {\n try {\n NodeWebSocket = require('ws');\n } catch (e) { }\n}\n\n/**\n * Get either the `WebSocket` or `MozWebSocket` globals\n * in the browser or try to resolve WebSocket-compatible\n * interface exposed by `ws` for Node-like environment.\n */\n\nvar WebSocket = BrowserWebSocket;\nif (!WebSocket && typeof window === 'undefined') {\n WebSocket = NodeWebSocket;\n}\n\n/**\n * Module exports.\n */\n\nmodule.exports = WS;\n\n/**\n * WebSocket transport constructor.\n *\n * @api {Object} connection options\n * @api public\n */\n\nfunction WS (opts) {\n var forceBase64 = (opts && opts.forceBase64);\n if (forceBase64) {\n this.supportsBinary = false;\n }\n this.perMessageDeflate = opts.perMessageDeflate;\n this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;\n this.protocols = opts.protocols;\n if (!this.usingBrowserWebSocket) {\n WebSocket = NodeWebSocket;\n }\n Transport.call(this, opts);\n}\n\n/**\n * Inherits from Transport.\n */\n\ninherit(WS, Transport);\n\n/**\n * Transport name.\n *\n * @api public\n */\n\nWS.prototype.name = 'websocket';\n\n/*\n * WebSockets support binary\n */\n\nWS.prototype.supportsBinary = true;\n\n/**\n * Opens socket.\n *\n * @api private\n */\n\nWS.prototype.doOpen = function () {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n\n var uri = this.uri();\n var protocols = this.protocols;\n var opts = {\n agent: this.agent,\n perMessageDeflate: this.perMessageDeflate\n };\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n if (this.extraHeaders) {\n opts.headers = this.extraHeaders;\n }\n if (this.localAddress) {\n opts.localAddress = this.localAddress;\n }\n\n try {\n this.ws = this.usingBrowserWebSocket ? (protocols ? new WebSocket(uri, protocols) : new WebSocket(uri)) : new WebSocket(uri, protocols, opts);\n } catch (err) {\n return this.emit('error', err);\n }\n\n if (this.ws.binaryType === undefined) {\n this.supportsBinary = false;\n }\n\n if (this.ws.supports && this.ws.supports.binary) {\n this.supportsBinary = true;\n this.ws.binaryType = 'nodebuffer';\n } else {\n this.ws.binaryType = 'arraybuffer';\n }\n\n this.addEventListeners();\n};\n\n/**\n * Adds event listeners to the socket\n *\n * @api private\n */\n\nWS.prototype.addEventListeners = function () {\n var self = this;\n\n this.ws.onopen = function () {\n self.onOpen();\n };\n this.ws.onclose = function () {\n self.onClose();\n };\n this.ws.onmessage = function (ev) {\n self.onData(ev.data);\n };\n this.ws.onerror = function (e) {\n self.onError('websocket error', e);\n };\n};\n\n/**\n * Writes data to socket.\n *\n * @param {Array} array of packets.\n * @api private\n */\n\nWS.prototype.write = function (packets) {\n var self = this;\n this.writable = false;\n\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n var total = packets.length;\n for (var i = 0, l = total; i < l; i++) {\n (function (packet) {\n parser.encodePacket(packet, self.supportsBinary, function (data) {\n if (!self.usingBrowserWebSocket) {\n // always create a new object (GH-437)\n var opts = {};\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n\n if (self.perMessageDeflate) {\n var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;\n if (len < self.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (self.usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n self.ws.send(data);\n } else {\n self.ws.send(data, opts);\n }\n } catch (e) {\n debug('websocket closed before onclose event');\n }\n\n --total || done();\n });\n })(packets[i]);\n }\n\n function done () {\n self.emit('flush');\n\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n setTimeout(function () {\n self.writable = true;\n self.emit('drain');\n }, 0);\n }\n};\n\n/**\n * Called upon close\n *\n * @api private\n */\n\nWS.prototype.onClose = function () {\n Transport.prototype.onClose.call(this);\n};\n\n/**\n * Closes socket.\n *\n * @api private\n */\n\nWS.prototype.doClose = function () {\n if (typeof this.ws !== 'undefined') {\n this.ws.close();\n }\n};\n\n/**\n * Generates uri for connection.\n *\n * @api private\n */\n\nWS.prototype.uri = function () {\n var query = this.query || {};\n var schema = this.secure ? 'wss' : 'ws';\n var port = '';\n\n // avoid port if default for schema\n if (this.port && (('wss' === schema && Number(this.port) !== 443) ||\n ('ws' === schema && Number(this.port) !== 80))) {\n port = ':' + this.port;\n }\n\n // append timestamp to URI\n if (this.timestampRequests) {\n query[this.timestampParam] = yeast();\n }\n\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // prepend ? to query\n if (query.length) {\n query = '?' + query;\n }\n\n var ipv6 = this.hostname.indexOf(':') !== -1;\n return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n};\n\n/**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @api public\n */\n\nWS.prototype.check = function () {\n return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/websocket.js\n// module id = 34\n// module chunks = 0","\nvar indexOf = [].indexOf;\n\nmodule.exports = function(arr, obj){\n if (indexOf) return arr.indexOf(obj);\n for (var i = 0; i < arr.length; ++i) {\n if (arr[i] === obj) return i;\n }\n return -1;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/indexof/index.js\n// module id = 36\n// module chunks = 0","\n/**\n * Module dependencies.\n */\n\nvar parser = require('socket.io-parser');\nvar Emitter = require('component-emitter');\nvar toArray = require('to-array');\nvar on = require('./on');\nvar bind = require('component-bind');\nvar debug = require('debug')('socket.io-client:socket');\nvar parseqs = require('parseqs');\n\n/**\n * Module exports.\n */\n\nmodule.exports = exports = Socket;\n\n/**\n * Internal events (blacklisted).\n * These events can't be emitted by the user.\n *\n * @api private\n */\n\nvar events = {\n connect: 1,\n connect_error: 1,\n connect_timeout: 1,\n connecting: 1,\n disconnect: 1,\n error: 1,\n reconnect: 1,\n reconnect_attempt: 1,\n reconnect_failed: 1,\n reconnect_error: 1,\n reconnecting: 1,\n ping: 1,\n pong: 1\n};\n\n/**\n * Shortcut to `Emitter#emit`.\n */\n\nvar emit = Emitter.prototype.emit;\n\n/**\n * `Socket` constructor.\n *\n * @api public\n */\n\nfunction Socket (io, nsp, opts) {\n this.io = io;\n this.nsp = nsp;\n this.json = this; // compat\n this.ids = 0;\n this.acks = {};\n this.receiveBuffer = [];\n this.sendBuffer = [];\n this.connected = false;\n this.disconnected = true;\n if (opts && opts.query) {\n this.query = opts.query;\n }\n if (this.io.autoConnect) this.open();\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Subscribe to open, close and packet events\n *\n * @api private\n */\n\nSocket.prototype.subEvents = function () {\n if (this.subs) return;\n\n var io = this.io;\n this.subs = [\n on(io, 'open', bind(this, 'onopen')),\n on(io, 'packet', bind(this, 'onpacket')),\n on(io, 'close', bind(this, 'onclose'))\n ];\n};\n\n/**\n * \"Opens\" the socket.\n *\n * @api public\n */\n\nSocket.prototype.open =\nSocket.prototype.connect = function () {\n if (this.connected) return this;\n\n this.subEvents();\n this.io.open(); // ensure open\n if ('open' === this.io.readyState) this.onopen();\n this.emit('connecting');\n return this;\n};\n\n/**\n * Sends a `message` event.\n *\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.send = function () {\n var args = toArray(arguments);\n args.unshift('message');\n this.emit.apply(this, args);\n return this;\n};\n\n/**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @param {String} event name\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.emit = function (ev) {\n if (events.hasOwnProperty(ev)) {\n emit.apply(this, arguments);\n return this;\n }\n\n var args = toArray(arguments);\n var packet = { type: parser.EVENT, data: args };\n\n packet.options = {};\n packet.options.compress = !this.flags || false !== this.flags.compress;\n\n // event ack callback\n if ('function' === typeof args[args.length - 1]) {\n debug('emitting packet with ack id %d', this.ids);\n this.acks[this.ids] = args.pop();\n packet.id = this.ids++;\n }\n\n if (this.connected) {\n this.packet(packet);\n } else {\n this.sendBuffer.push(packet);\n }\n\n delete this.flags;\n\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.packet = function (packet) {\n packet.nsp = this.nsp;\n this.io.packet(packet);\n};\n\n/**\n * Called upon engine `open`.\n *\n * @api private\n */\n\nSocket.prototype.onopen = function () {\n debug('transport is open - connecting');\n\n // write connect packet if necessary\n if ('/' !== this.nsp) {\n if (this.query) {\n var query = typeof this.query === 'object' ? parseqs.encode(this.query) : this.query;\n debug('sending connect packet with query %s', query);\n this.packet({type: parser.CONNECT, query: query});\n } else {\n this.packet({type: parser.CONNECT});\n }\n }\n};\n\n/**\n * Called upon engine `close`.\n *\n * @param {String} reason\n * @api private\n */\n\nSocket.prototype.onclose = function (reason) {\n debug('close (%s)', reason);\n this.connected = false;\n this.disconnected = true;\n delete this.id;\n this.emit('disconnect', reason);\n};\n\n/**\n * Called with socket packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onpacket = function (packet) {\n if (packet.nsp !== this.nsp) return;\n\n switch (packet.type) {\n case parser.CONNECT:\n this.onconnect();\n break;\n\n case parser.EVENT:\n this.onevent(packet);\n break;\n\n case parser.BINARY_EVENT:\n this.onevent(packet);\n break;\n\n case parser.ACK:\n this.onack(packet);\n break;\n\n case parser.BINARY_ACK:\n this.onack(packet);\n break;\n\n case parser.DISCONNECT:\n this.ondisconnect();\n break;\n\n case parser.ERROR:\n this.emit('error', packet.data);\n break;\n }\n};\n\n/**\n * Called upon a server event.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onevent = function (packet) {\n var args = packet.data || [];\n debug('emitting event %j', args);\n\n if (null != packet.id) {\n debug('attaching ack callback to event');\n args.push(this.ack(packet.id));\n }\n\n if (this.connected) {\n emit.apply(this, args);\n } else {\n this.receiveBuffer.push(args);\n }\n};\n\n/**\n * Produces an ack callback to emit with an event.\n *\n * @api private\n */\n\nSocket.prototype.ack = function (id) {\n var self = this;\n var sent = false;\n return function 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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(~this.readyState.indexOf("open"))return this;this.engine=i(this.uri,this.opts);var r=this.engine,n=this;this.readyState="opening",this.skipReconnect=!1;var o=h(r,"open",function(){n.onopen(),t&&t()}),s=h(r,"error",function(e){if(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,c=setTimeout(function(){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(){this.cleanup(),this.readyState="open",this.emit("open");var t=this.engine;this.subs.push(h(t,"data",p(this,"ondata"))),this.subs.push(h(t,"ping",p(this,"onping"))),this.subs.push(h(t,"pong",p(this,"onpong"))),this.subs.push(h(t,"error",p(this,"onerror"))),this.subs.push(h(t,"close",p(this,"onclose"))),this.subs.push(h(this.decoder,"decoded",p(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){this.emitAll("error",t)},n.prototype.socket=function(t,e){function r(){~u(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.generateId(t)}),this.autoConnect&&r()}return n},n.prototype.destroy=function(t){var e=u(this.connecting,t);~e&&this.connecting.splice(e,1),this.connecting.length||this.close()},n.prototype.packet=function(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(){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(){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){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)this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var e=this.backoff.duration();this.reconnecting=!0;var r=setTimeout(function(){t.skipReconnect||(t.emitAll("reconnect_attempt",t.backoff.attempts),t.emitAll("reconnecting",t.backoff.attempts),t.skipReconnect||t.open(function(e){e?(t.reconnecting=!1,t.reconnect(),t.emitAll("reconnect_error",e.data)):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(12),t.exports.parser=r(19)},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=p.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.transportOptions=r.transportOptions||{},this.readyState="",this.writeBuffer=[],this.prevBufferLen=0,this.policyPort=r.policyPort||843,this.rememberUpgrade=r.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=r.onlyBinaryUpgrades,this.perMessageDeflate=!1!==r.perMessageDeflate&&(r.perMessageDeflate||{}),!0===this.perMessageDeflate&&(this.perMessageDeflate={}),this.perMessageDeflate&&null==this.perMessageDeflate.threshold&&(this.perMessageDeflate.threshold=1024),this.pfx=r.pfx||null,this.key=r.key||null,this.passphrase=r.passphrase||null,this.cert=r.cert||null,this.ca=r.ca||null,this.ciphers=r.ciphers||null,this.rejectUnauthorized=void 0===r.rejectUnauthorized||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(13),s=r(5),a=(r(3)("engine.io-client:socket"),r(33)),c=r(19),h=r(2),p=r(27);t.exports=n,n.priorWebsocketSuccess=!1,s(n.prototype),n.protocol=c.protocol,n.Socket=n,n.Transport=r(18),n.transports=r(13),n.parser=r(19),n.prototype.createTransport=function(t){var e=o(this.query);e.EIO=c.protocol,e.transport=t;var r=this.transportOptions[t]||{};this.id&&(e.sid=this.id);var n=new i[t]({query:e,socket:this,agent:r.agent||this.agent,hostname:r.hostname||this.hostname,port:r.port||this.port,secure:r.secure||this.secure,path:r.path||this.path,forceJSONP:r.forceJSONP||this.forceJSONP,jsonp:r.jsonp||this.jsonp,forceBase64:r.forceBase64||this.forceBase64,enablesXDR:r.enablesXDR||this.enablesXDR,timestampRequests:r.timestampRequests||this.timestampRequests,timestampParam:r.timestampParam||this.timestampParam,policyPort:r.policyPort||this.policyPort,pfx:r.pfx||this.pfx,key:r.key||this.key,passphrase:r.passphrase||this.passphrase,cert:r.cert||this.cert,ca:r.ca||this.ca,ciphers:r.ciphers||this.ciphers,rejectUnauthorized:r.rejectUnauthorized||this.rejectUnauthorized,perMessageDeflate:r.perMessageDeflate||this.perMessageDeflate,extraHeaders:r.extraHeaders||this.extraHeaders,forceNode:r.forceNode||this.forceNode,localAddress:r.localAddress||this.localAddress,requestTimeout:r.requestTimeout||this.requestTimeout,protocols:r.protocols||void 0});return n},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){var e=this;this.transport&&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(u.onlyBinaryUpgrades){var t=!this.supportsBinary&&u.transport.supportsBinary;p=p||t}p||(h.send([{type:"ping",data:"probe"}]),h.once("packet",function(t){if(!p)if("pong"===t.type&&"probe"===t.data){if(u.upgrading=!0,u.emit("upgrading",h),!h)return;n.priorWebsocketSuccess="websocket"===h.name,u.transport.pause(function(){p||"closed"!==u.readyState&&(c(),u.setTransport(h),h.send([{type:"upgrade"}]),u.emit("upgrade",h),h=null,u.upgrading=!1,u.flush())})}else{var e=new Error("probe error");e.transport=h.name,u.emit("upgradeError",e)}}))}function r(){p||(p=!0,c(),h.close(),h=null)}function o(t){var e=new Error("probe error: "+t);e.transport=h.name,r(),u.emit("upgradeError",e)}function i(){o("transport closed")}function s(){o("socket closed")}function a(t){h&&t.name!==h.name&&r()}function c(){h.removeListener("open",e),h.removeListener("error",o),h.removeListener("close",i),u.removeListener("close",s),u.removeListener("upgrading",a)}var h=this.createTransport(t,{probe:1}),p=!1,u=this;n.priorWebsocketSuccess=!1,h.once("open",e),h.once("error",o),h.once("close",i),this.once("close",s),this.once("upgrading",a),h.open()},n.prototype.onOpen=function(){if(this.readyState="open",n.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("open"),this.flush(),"open"===this.readyState&&this.upgrade&&this.transport.pause)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(this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}},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(){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&&(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"),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){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){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++)~a(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 h="https:"===location.protocol,p=location.port;p||(p=h?443:80),n=e.hostname!==location.hostname||p!==e.port,a=e.secure!==h}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(14),i=r(16),s=r(30),a=r(31);e.polling=n,e.websocket=a}).call(e,function(){return this}())},function(t,e,r){(function(e){var n=r(15);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,this.extraHeaders=t.extraHeaders,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}}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(14),c=r(17),h=r(5),p=r(28);r(3)("engine.io-client:polling-xhr");t.exports=o,t.exports.Request=i,p(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(){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},h(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{r.open(this.method,this.uri,this.async);try{if(this.extraHeaders){r.setDisableHeaderCheck&&r.setDisableHeaderCheck(!0);for(var o in this.extraHeaders)this.extraHeaders.hasOwnProperty(o)&&r.setRequestHeader(o,this.extraHeaders[o])}}catch(t){}if("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(){if(2===r.readyState){var t;try{t=r.getResponseHeader("Content-Type")}catch(t){}"application/octet-stream"===t&&(r.responseType="arraybuffer")}4===r.readyState&&(200===r.status||1223===r.status?n.onLoad():setTimeout(function(){n.onError(r.status)},0))},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")}catch(t){}t="application/octet-stream"===e?this.xhr.response||this.xhr.responseText: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(18),i=r(27),s=r(19),a=r(28),c=r(29);r(3)("engine.io-client:polling");t.exports=n;var h=function(){var t=r(14),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(){r.readyState="paused",t()}var r=this;if(this.readyState="pausing",this.polling||!this.writable){var n=0;this.polling&&(n++,this.once("pollComplete",function(){--n||e()})),this.writable||(n++,this.once("drain",function(){--n||e()}))}else e()},n.prototype.poll=function(){this.polling=!0,this.doPoll(),this.emit("poll")},n.prototype.onData=function(t){var e=this,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())},n.prototype.doClose=function(){function t(){e.write([{type:"close"}])}var e=this;"open"===this.readyState?t():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 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\t__webpack_require__.c = installedModules;\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(0);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar url = __webpack_require__(1);\n\tvar parser = __webpack_require__(4);\n\tvar Manager = __webpack_require__(10);\n\tvar debug = __webpack_require__(3)('socket.io-client');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = exports = lookup;\n\t\n\t/**\n\t * Managers cache.\n\t */\n\t\n\tvar cache = exports.managers = {};\n\t\n\t/**\n\t * Looks up an existing `Manager` for multiplexing.\n\t * If the user summons:\n\t *\n\t * `io('http://localhost/a');`\n\t * `io('http://localhost/b');`\n\t *\n\t * We reuse the existing instance based on same scheme/port/host,\n\t * and we initialize sockets for each namespace.\n\t *\n\t * @api public\n\t */\n\t\n\tfunction lookup(uri, opts) {\n\t if ((typeof uri === 'undefined' ? 'undefined' : _typeof(uri)) === 'object') {\n\t opts = uri;\n\t uri = undefined;\n\t }\n\t\n\t opts = opts || {};\n\t\n\t var parsed = url(uri);\n\t var source = parsed.source;\n\t var id = parsed.id;\n\t var path = parsed.path;\n\t var sameNamespace = cache[id] && path in cache[id].nsps;\n\t var newConnection = opts.forceNew || opts['force new connection'] || false === opts.multiplex || sameNamespace;\n\t\n\t var io;\n\t\n\t if (newConnection) {\n\t\n\t io = Manager(source, opts);\n\t } else {\n\t if (!cache[id]) {\n\t\n\t cache[id] = Manager(source, opts);\n\t }\n\t io = cache[id];\n\t }\n\t if (parsed.query && !opts.query) {\n\t opts.query = parsed.query;\n\t }\n\t return io.socket(parsed.path, opts);\n\t}\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\texports.protocol = parser.protocol;\n\t\n\t/**\n\t * `connect`.\n\t *\n\t * @param {String} uri\n\t * @api public\n\t */\n\t\n\texports.connect = lookup;\n\t\n\t/**\n\t * Expose constructors for standalone build.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Manager = __webpack_require__(10);\n\texports.Socket = __webpack_require__(34);\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {'use strict';\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parseuri = __webpack_require__(2);\n\tvar debug = __webpack_require__(3)('socket.io-client:url');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = url;\n\t\n\t/**\n\t * URL parser.\n\t *\n\t * @param {String} url\n\t * @param {Object} An object meant to mimic window.location.\n\t * Defaults to window.location.\n\t * @api public\n\t */\n\t\n\tfunction url(uri, loc) {\n\t var obj = uri;\n\t\n\t // default to window.location\n\t loc = loc || global.location;\n\t if (null == uri) uri = loc.protocol + '//' + loc.host;\n\t\n\t // relative path support\n\t if ('string' === typeof uri) {\n\t if ('/' === uri.charAt(0)) {\n\t if ('/' === uri.charAt(1)) {\n\t uri = loc.protocol + uri;\n\t } else {\n\t uri = loc.host + uri;\n\t }\n\t }\n\t\n\t if (!/^(https?|wss?):\\/\\//.test(uri)) {\n\t\n\t if ('undefined' !== typeof loc) {\n\t uri = loc.protocol + '//' + uri;\n\t } else {\n\t uri = 'https://' + uri;\n\t }\n\t }\n\t\n\t // parse\n\t\n\t obj = parseuri(uri);\n\t }\n\t\n\t // make sure we treat `localhost:80` and `localhost` equally\n\t if (!obj.port) {\n\t if (/^(http|ws)$/.test(obj.protocol)) {\n\t obj.port = '80';\n\t } else if (/^(http|ws)s$/.test(obj.protocol)) {\n\t obj.port = '443';\n\t }\n\t }\n\t\n\t obj.path = obj.path || '/';\n\t\n\t var ipv6 = obj.host.indexOf(':') !== -1;\n\t var host = ipv6 ? '[' + obj.host + ']' : obj.host;\n\t\n\t // define unique id\n\t obj.id = obj.protocol + '://' + host + ':' + obj.port;\n\t // define href\n\t obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : ':' + obj.port);\n\t\n\t return obj;\n\t}\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports) {\n\n\t/**\r\n\t * Parses an URI\r\n\t *\r\n\t * @author Steven Levithan <stevenlevithan.com> (MIT license)\r\n\t * @api private\r\n\t */\r\n\t\r\n\tvar re = /^(?:(?![^:@]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\r\n\t\r\n\tvar parts = [\r\n\t 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\r\n\t];\r\n\t\r\n\tmodule.exports = function parseuri(str) {\r\n\t var src = str,\r\n\t b = str.indexOf('['),\r\n\t e = str.indexOf(']');\r\n\t\r\n\t if (b != -1 && e != -1) {\r\n\t str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\r\n\t }\r\n\t\r\n\t var m = re.exec(str || ''),\r\n\t uri = {},\r\n\t i = 14;\r\n\t\r\n\t while (i--) {\r\n\t uri[parts[i]] = m[i] || '';\r\n\t }\r\n\t\r\n\t if (b != -1 && e != -1) {\r\n\t uri.source = src;\r\n\t uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\r\n\t uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\r\n\t uri.ipv6uri = true;\r\n\t }\r\n\t\r\n\t return uri;\r\n\t};\r\n\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\tmodule.exports = function () {\n\t return function () {};\n\t};\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar debug = __webpack_require__(3)('socket.io-parser');\n\tvar Emitter = __webpack_require__(5);\n\tvar hasBin = __webpack_require__(6);\n\tvar binary = __webpack_require__(8);\n\tvar isBuf = __webpack_require__(9);\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\texports.protocol = 4;\n\t\n\t/**\n\t * Packet types.\n\t *\n\t * @api public\n\t */\n\t\n\texports.types = [\n\t 'CONNECT',\n\t 'DISCONNECT',\n\t 'EVENT',\n\t 'ACK',\n\t 'ERROR',\n\t 'BINARY_EVENT',\n\t 'BINARY_ACK'\n\t];\n\t\n\t/**\n\t * Packet type `connect`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.CONNECT = 0;\n\t\n\t/**\n\t * Packet type `disconnect`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.DISCONNECT = 1;\n\t\n\t/**\n\t * Packet type `event`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.EVENT = 2;\n\t\n\t/**\n\t * Packet type `ack`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.ACK = 3;\n\t\n\t/**\n\t * Packet type `error`.\n\t *\n\t * @api public\n\t */\n\t\n\texports.ERROR = 4;\n\t\n\t/**\n\t * Packet type 'binary event'\n\t *\n\t * @api public\n\t */\n\t\n\texports.BINARY_EVENT = 5;\n\t\n\t/**\n\t * Packet type `binary ack`. For acks with binary arguments.\n\t *\n\t * @api public\n\t */\n\t\n\texports.BINARY_ACK = 6;\n\t\n\t/**\n\t * Encoder constructor.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Encoder = Encoder;\n\t\n\t/**\n\t * Decoder constructor.\n\t *\n\t * @api public\n\t */\n\t\n\texports.Decoder = Decoder;\n\t\n\t/**\n\t * A socket.io Encoder instance\n\t *\n\t * @api public\n\t */\n\t\n\tfunction Encoder() {}\n\t\n\t/**\n\t * Encode a packet as a single string if non-binary, or as a\n\t * buffer sequence, depending on packet type.\n\t *\n\t * @param {Object} obj - packet object\n\t * @param {Function} callback - function to handle encodings (likely engine.write)\n\t * @return Calls callback with Array of encodings\n\t * @api public\n\t */\n\t\n\tEncoder.prototype.encode = function(obj, callback){\n\t if ((obj.type === exports.EVENT || obj.type === exports.ACK) && hasBin(obj.data)) {\n\t obj.type = obj.type === exports.EVENT ? exports.BINARY_EVENT : exports.BINARY_ACK;\n\t }\n\t\n\t\n\t\n\t if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n\t encodeAsBinary(obj, callback);\n\t }\n\t else {\n\t var encoding = encodeAsString(obj);\n\t callback([encoding]);\n\t }\n\t};\n\t\n\t/**\n\t * Encode packet as string.\n\t *\n\t * @param {Object} packet\n\t * @return {String} encoded\n\t * @api private\n\t */\n\t\n\tfunction encodeAsString(obj) {\n\t\n\t // first is type\n\t var str = '' + obj.type;\n\t\n\t // attachments if we have them\n\t if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n\t str += obj.attachments + '-';\n\t }\n\t\n\t // if we have a namespace other than `/`\n\t // we append it followed by a comma `,`\n\t if (obj.nsp && '/' !== obj.nsp) {\n\t str += obj.nsp + ',';\n\t }\n\t\n\t // immediately followed by the id\n\t if (null != obj.id) {\n\t str += obj.id;\n\t }\n\t\n\t // json data\n\t if (null != obj.data) {\n\t str += JSON.stringify(obj.data);\n\t }\n\t\n\t\n\t return str;\n\t}\n\t\n\t/**\n\t * Encode packet as 'buffer sequence' by removing blobs, and\n\t * deconstructing packet into object with placeholders and\n\t * a list of buffers.\n\t *\n\t * @param {Object} packet\n\t * @return {Buffer} encoded\n\t * @api private\n\t */\n\t\n\tfunction encodeAsBinary(obj, callback) {\n\t\n\t function writeEncoding(bloblessData) {\n\t var deconstruction = binary.deconstructPacket(bloblessData);\n\t var pack = encodeAsString(deconstruction.packet);\n\t var buffers = deconstruction.buffers;\n\t\n\t buffers.unshift(pack); // add packet info to beginning of data list\n\t callback(buffers); // write all the buffers\n\t }\n\t\n\t binary.removeBlobs(obj, writeEncoding);\n\t}\n\t\n\t/**\n\t * A socket.io Decoder instance\n\t *\n\t * @return {Object} decoder\n\t * @api public\n\t */\n\t\n\tfunction Decoder() {\n\t this.reconstructor = null;\n\t}\n\t\n\t/**\n\t * Mix in `Emitter` with Decoder.\n\t */\n\t\n\tEmitter(Decoder.prototype);\n\t\n\t/**\n\t * Decodes an ecoded packet string into packet JSON.\n\t *\n\t * @param {String} obj - encoded packet\n\t * @return {Object} packet\n\t * @api public\n\t */\n\t\n\tDecoder.prototype.add = function(obj) {\n\t var packet;\n\t if (typeof obj === 'string') {\n\t packet = decodeString(obj);\n\t if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json\n\t this.reconstructor = new BinaryReconstructor(packet);\n\t\n\t // no attachments, labeled binary but no binary data to follow\n\t if (this.reconstructor.reconPack.attachments === 0) {\n\t this.emit('decoded', packet);\n\t }\n\t } else { // non-binary full packet\n\t this.emit('decoded', packet);\n\t }\n\t }\n\t else if (isBuf(obj) || obj.base64) { // raw binary data\n\t if (!this.reconstructor) {\n\t throw new Error('got binary data when not reconstructing a packet');\n\t } else {\n\t packet = this.reconstructor.takeBinaryData(obj);\n\t if (packet) { // received final buffer\n\t this.reconstructor = null;\n\t this.emit('decoded', packet);\n\t }\n\t }\n\t }\n\t else {\n\t throw new Error('Unknown type: ' + obj);\n\t }\n\t};\n\t\n\t/**\n\t * Decode a packet String (JSON data)\n\t *\n\t * @param {String} str\n\t * @return {Object} packet\n\t * @api private\n\t */\n\t\n\tfunction decodeString(str) {\n\t var i = 0;\n\t // look up type\n\t var p = {\n\t type: Number(str.charAt(0))\n\t };\n\t\n\t if (null == exports.types[p.type]) return error();\n\t\n\t // look up attachments if type binary\n\t if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {\n\t var buf = '';\n\t while (str.charAt(++i) !== '-') {\n\t buf += str.charAt(i);\n\t if (i == str.length) break;\n\t }\n\t if (buf != Number(buf) || str.charAt(i) !== '-') {\n\t throw new Error('Illegal attachments');\n\t }\n\t p.attachments = Number(buf);\n\t }\n\t\n\t // look up namespace (if any)\n\t if ('/' === str.charAt(i + 1)) {\n\t p.nsp = '';\n\t while (++i) {\n\t var c = str.charAt(i);\n\t if (',' === c) break;\n\t p.nsp += c;\n\t if (i === str.length) break;\n\t }\n\t } else {\n\t p.nsp = '/';\n\t }\n\t\n\t // look up id\n\t var next = str.charAt(i + 1);\n\t if ('' !== next && Number(next) == next) {\n\t p.id = '';\n\t while (++i) {\n\t var c = str.charAt(i);\n\t if (null == c || Number(c) != c) {\n\t --i;\n\t break;\n\t }\n\t p.id += str.charAt(i);\n\t if (i === str.length) break;\n\t }\n\t p.id = Number(p.id);\n\t }\n\t\n\t // look up json data\n\t if (str.charAt(++i)) {\n\t p = tryParse(p, str.substr(i));\n\t }\n\t\n\t\n\t return p;\n\t}\n\t\n\tfunction tryParse(p, str) {\n\t try {\n\t p.data = JSON.parse(str);\n\t } catch(e){\n\t return error();\n\t }\n\t return p; \n\t}\n\t\n\t/**\n\t * Deallocates a parser's resources\n\t *\n\t * @api public\n\t */\n\t\n\tDecoder.prototype.destroy = function() {\n\t if (this.reconstructor) {\n\t this.reconstructor.finishedReconstruction();\n\t }\n\t};\n\t\n\t/**\n\t * A manager of a binary event's 'buffer sequence'. Should\n\t * be constructed whenever a packet of type BINARY_EVENT is\n\t * decoded.\n\t *\n\t * @param {Object} packet\n\t * @return {BinaryReconstructor} initialized reconstructor\n\t * @api private\n\t */\n\t\n\tfunction BinaryReconstructor(packet) {\n\t this.reconPack = packet;\n\t this.buffers = [];\n\t}\n\t\n\t/**\n\t * Method to be called when binary data received from connection\n\t * after a BINARY_EVENT packet.\n\t *\n\t * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n\t * @return {null | Object} returns null if more binary data is expected or\n\t * a reconstructed packet object if all buffers have been received.\n\t * @api private\n\t */\n\t\n\tBinaryReconstructor.prototype.takeBinaryData = function(binData) {\n\t this.buffers.push(binData);\n\t if (this.buffers.length === this.reconPack.attachments) { // done with buffer list\n\t var packet = binary.reconstructPacket(this.reconPack, this.buffers);\n\t this.finishedReconstruction();\n\t return packet;\n\t }\n\t return null;\n\t};\n\t\n\t/**\n\t * Cleans up binary packet reconstruction variables.\n\t *\n\t * @api private\n\t */\n\t\n\tBinaryReconstructor.prototype.finishedReconstruction = function() {\n\t this.reconPack = null;\n\t this.buffers = [];\n\t};\n\t\n\tfunction error() {\n\t return {\n\t type: exports.ERROR,\n\t data: 'parser error'\n\t };\n\t}\n\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\r\n\t/**\r\n\t * Expose `Emitter`.\r\n\t */\r\n\t\r\n\tif (true) {\r\n\t module.exports = Emitter;\r\n\t}\r\n\t\r\n\t/**\r\n\t * Initialize a new `Emitter`.\r\n\t *\r\n\t * @api public\r\n\t */\r\n\t\r\n\tfunction Emitter(obj) {\r\n\t if (obj) return mixin(obj);\r\n\t};\r\n\t\r\n\t/**\r\n\t * Mixin the emitter properties.\r\n\t *\r\n\t * @param {Object} obj\r\n\t * @return {Object}\r\n\t * @api private\r\n\t */\r\n\t\r\n\tfunction mixin(obj) {\r\n\t for (var key in Emitter.prototype) {\r\n\t obj[key] = Emitter.prototype[key];\r\n\t }\r\n\t return obj;\r\n\t}\r\n\t\r\n\t/**\r\n\t * Listen on the given `event` with `fn`.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.on =\r\n\tEmitter.prototype.addEventListener = function(event, fn){\r\n\t this._callbacks = this._callbacks || {};\r\n\t (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n\t .push(fn);\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Adds an `event` listener that will be invoked a single\r\n\t * time then automatically removed.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.once = function(event, fn){\r\n\t function on() {\r\n\t this.off(event, on);\r\n\t fn.apply(this, arguments);\r\n\t }\r\n\t\r\n\t on.fn = fn;\r\n\t this.on(event, on);\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Remove the given callback for `event` or all\r\n\t * registered callbacks.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Function} fn\r\n\t * @return {Emitter}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.off =\r\n\tEmitter.prototype.removeListener =\r\n\tEmitter.prototype.removeAllListeners =\r\n\tEmitter.prototype.removeEventListener = function(event, fn){\r\n\t this._callbacks = this._callbacks || {};\r\n\t\r\n\t // all\r\n\t if (0 == arguments.length) {\r\n\t this._callbacks = {};\r\n\t return this;\r\n\t }\r\n\t\r\n\t // specific event\r\n\t var callbacks = this._callbacks['$' + event];\r\n\t if (!callbacks) return this;\r\n\t\r\n\t // remove all handlers\r\n\t if (1 == arguments.length) {\r\n\t delete this._callbacks['$' + event];\r\n\t return this;\r\n\t }\r\n\t\r\n\t // remove specific handler\r\n\t var cb;\r\n\t for (var i = 0; i < callbacks.length; i++) {\r\n\t cb = callbacks[i];\r\n\t if (cb === fn || cb.fn === fn) {\r\n\t callbacks.splice(i, 1);\r\n\t break;\r\n\t }\r\n\t }\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Emit `event` with the given args.\r\n\t *\r\n\t * @param {String} event\r\n\t * @param {Mixed} ...\r\n\t * @return {Emitter}\r\n\t */\r\n\t\r\n\tEmitter.prototype.emit = function(event){\r\n\t this._callbacks = this._callbacks || {};\r\n\t var args = [].slice.call(arguments, 1)\r\n\t , callbacks = this._callbacks['$' + event];\r\n\t\r\n\t if (callbacks) {\r\n\t callbacks = callbacks.slice(0);\r\n\t for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n\t callbacks[i].apply(this, args);\r\n\t }\r\n\t }\r\n\t\r\n\t return this;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Return array of callbacks for `event`.\r\n\t *\r\n\t * @param {String} event\r\n\t * @return {Array}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.listeners = function(event){\r\n\t this._callbacks = this._callbacks || {};\r\n\t return this._callbacks['$' + event] || [];\r\n\t};\r\n\t\r\n\t/**\r\n\t * Check if this emitter has `event` handlers.\r\n\t *\r\n\t * @param {String} event\r\n\t * @return {Boolean}\r\n\t * @api public\r\n\t */\r\n\t\r\n\tEmitter.prototype.hasListeners = function(event){\r\n\t return !! this.listeners(event).length;\r\n\t};\r\n\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/* global Blob File */\n\t\n\t/*\n\t * Module requirements.\n\t */\n\t\n\tvar isArray = __webpack_require__(7);\n\t\n\tvar toString = Object.prototype.toString;\n\tvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\n\tvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = hasBinary;\n\t\n\t/**\n\t * Checks for binary data.\n\t *\n\t * Supports Buffer, ArrayBuffer, Blob and File.\n\t *\n\t * @param {Object} anything\n\t * @api public\n\t */\n\t\n\tfunction hasBinary (obj) {\n\t if (!obj || typeof obj !== 'object') {\n\t return false;\n\t }\n\t\n\t if (isArray(obj)) {\n\t for (var i = 0, l = obj.length; i < l; i++) {\n\t if (hasBinary(obj[i])) {\n\t return true;\n\t }\n\t }\n\t return false;\n\t }\n\t\n\t if ((typeof global.Buffer === 'function' && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||\n\t (typeof global.ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||\n\t (withNativeBlob && obj instanceof Blob) ||\n\t (withNativeFile && obj instanceof File)\n\t ) {\n\t return true;\n\t }\n\t\n\t // see: https://github.com/Automattic/has-binary/pull/4\n\t if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {\n\t return hasBinary(obj.toJSON(), true);\n\t }\n\t\n\t for (var key in obj) {\n\t if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n\t return true;\n\t }\n\t }\n\t\n\t return false;\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports) {\n\n\tvar toString = {}.toString;\n\t\n\tmodule.exports = Array.isArray || function (arr) {\n\t return toString.call(arr) == '[object Array]';\n\t};\n\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/*global Blob,File*/\n\t\n\t/**\n\t * Module requirements\n\t */\n\t\n\tvar isArray = __webpack_require__(7);\n\tvar isBuf = __webpack_require__(9);\n\tvar toString = Object.prototype.toString;\n\tvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\n\tvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\t\n\t/**\n\t * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.\n\t * Anything with blobs or files should be fed through removeBlobs before coming\n\t * here.\n\t *\n\t * @param {Object} packet - socket.io event packet\n\t * @return {Object} with deconstructed packet and list of buffers\n\t * @api public\n\t */\n\t\n\texports.deconstructPacket = function(packet) {\n\t var buffers = [];\n\t var packetData = packet.data;\n\t var pack = packet;\n\t pack.data = _deconstructPacket(packetData, buffers);\n\t pack.attachments = buffers.length; // number of binary 'attachments'\n\t return {packet: pack, buffers: buffers};\n\t};\n\t\n\tfunction _deconstructPacket(data, buffers) {\n\t if (!data) return data;\n\t\n\t if (isBuf(data)) {\n\t var placeholder = { _placeholder: true, num: buffers.length };\n\t buffers.push(data);\n\t return placeholder;\n\t } else if (isArray(data)) {\n\t var newData = new Array(data.length);\n\t for (var i = 0; i < data.length; i++) {\n\t newData[i] = _deconstructPacket(data[i], buffers);\n\t }\n\t return newData;\n\t } else if (typeof data === 'object' && !(data instanceof Date)) {\n\t var newData = {};\n\t for (var key in data) {\n\t newData[key] = _deconstructPacket(data[key], buffers);\n\t }\n\t return newData;\n\t }\n\t return data;\n\t}\n\t\n\t/**\n\t * Reconstructs a binary packet from its placeholder packet and buffers\n\t *\n\t * @param {Object} packet - event packet with placeholders\n\t * @param {Array} buffers - binary buffers to put in placeholder positions\n\t * @return {Object} reconstructed packet\n\t * @api public\n\t */\n\t\n\texports.reconstructPacket = function(packet, buffers) {\n\t packet.data = _reconstructPacket(packet.data, buffers);\n\t packet.attachments = undefined; // no longer useful\n\t return packet;\n\t};\n\t\n\tfunction _reconstructPacket(data, buffers) {\n\t if (!data) return data;\n\t\n\t if (data && data._placeholder) {\n\t return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n\t } else if (isArray(data)) {\n\t for (var i = 0; i < data.length; i++) {\n\t data[i] = _reconstructPacket(data[i], buffers);\n\t }\n\t } else if (typeof data === 'object') {\n\t for (var key in data) {\n\t data[key] = _reconstructPacket(data[key], buffers);\n\t }\n\t }\n\t\n\t return data;\n\t}\n\t\n\t/**\n\t * Asynchronously removes Blobs or Files from data via\n\t * FileReader's readAsArrayBuffer method. Used before encoding\n\t * data as msgpack. Calls callback with the blobless data.\n\t *\n\t * @param {Object} data\n\t * @param {Function} callback\n\t * @api private\n\t */\n\t\n\texports.removeBlobs = function(data, callback) {\n\t function _removeBlobs(obj, curKey, containingObject) {\n\t if (!obj) return obj;\n\t\n\t // convert any blob\n\t if ((withNativeBlob && obj instanceof Blob) ||\n\t (withNativeFile && obj instanceof File)) {\n\t pendingBlobs++;\n\t\n\t // async filereader\n\t var fileReader = new FileReader();\n\t fileReader.onload = function() { // this.result == arraybuffer\n\t if (containingObject) {\n\t containingObject[curKey] = this.result;\n\t }\n\t else {\n\t bloblessData = this.result;\n\t }\n\t\n\t // if nothing pending its callback time\n\t if(! --pendingBlobs) {\n\t callback(bloblessData);\n\t }\n\t };\n\t\n\t fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer\n\t } else if (isArray(obj)) { // handle array\n\t for (var i = 0; i < obj.length; i++) {\n\t _removeBlobs(obj[i], i, obj);\n\t }\n\t } else if (typeof obj === 'object' && !isBuf(obj)) { // and object\n\t for (var key in obj) {\n\t _removeBlobs(obj[key], key, obj);\n\t }\n\t }\n\t }\n\t\n\t var pendingBlobs = 0;\n\t var bloblessData = data;\n\t _removeBlobs(bloblessData);\n\t if (!pendingBlobs) {\n\t callback(bloblessData);\n\t }\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {\n\tmodule.exports = isBuf;\n\t\n\t/**\n\t * Returns true if obj is a buffer or an arraybuffer.\n\t *\n\t * @api private\n\t */\n\t\n\tfunction isBuf(obj) {\n\t return (global.Buffer && global.Buffer.isBuffer(obj)) ||\n\t (global.ArrayBuffer && obj instanceof ArrayBuffer);\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar eio = __webpack_require__(11);\n\tvar Socket = __webpack_require__(34);\n\tvar Emitter = __webpack_require__(5);\n\tvar parser = __webpack_require__(4);\n\tvar on = __webpack_require__(36);\n\tvar bind = __webpack_require__(37);\n\tvar debug = __webpack_require__(3)('socket.io-client:manager');\n\tvar indexOf = __webpack_require__(33);\n\tvar Backoff = __webpack_require__(38);\n\t\n\t/**\n\t * IE6+ hasOwnProperty\n\t */\n\t\n\tvar has = Object.prototype.hasOwnProperty;\n\t\n\t/**\n\t * Module exports\n\t */\n\t\n\tmodule.exports = Manager;\n\t\n\t/**\n\t * `Manager` constructor.\n\t *\n\t * @param {String} engine instance or engine uri/opts\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Manager(uri, opts) {\n\t if (!(this instanceof Manager)) return new Manager(uri, opts);\n\t if (uri && 'object' === (typeof uri === 'undefined' ? 'undefined' : _typeof(uri))) {\n\t opts = uri;\n\t uri = undefined;\n\t }\n\t opts = opts || {};\n\t\n\t opts.path = opts.path || '/socket.io';\n\t this.nsps = {};\n\t this.subs = [];\n\t this.opts = opts;\n\t this.reconnection(opts.reconnection !== false);\n\t this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n\t this.reconnectionDelay(opts.reconnectionDelay || 1000);\n\t this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n\t this.randomizationFactor(opts.randomizationFactor || 0.5);\n\t this.backoff = new Backoff({\n\t min: this.reconnectionDelay(),\n\t max: this.reconnectionDelayMax(),\n\t jitter: this.randomizationFactor()\n\t });\n\t this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n\t this.readyState = 'closed';\n\t this.uri = uri;\n\t this.connecting = [];\n\t this.lastPing = null;\n\t this.encoding = false;\n\t this.packetBuffer = [];\n\t var _parser = opts.parser || parser;\n\t this.encoder = new _parser.Encoder();\n\t this.decoder = new _parser.Decoder();\n\t this.autoConnect = opts.autoConnect !== false;\n\t if (this.autoConnect) this.open();\n\t}\n\t\n\t/**\n\t * Propagate given event to sockets and emit on `this`\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.emitAll = function () {\n\t this.emit.apply(this, arguments);\n\t for (var nsp in this.nsps) {\n\t if (has.call(this.nsps, nsp)) {\n\t this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Update `socket.id` of all sockets\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.updateSocketIds = function () {\n\t for (var nsp in this.nsps) {\n\t if (has.call(this.nsps, nsp)) {\n\t this.nsps[nsp].id = this.generateId(nsp);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * generate `socket.id` for the given `nsp`\n\t *\n\t * @param {String} nsp\n\t * @return {String}\n\t * @api private\n\t */\n\t\n\tManager.prototype.generateId = function (nsp) {\n\t return (nsp === '/' ? '' : nsp + '#') + this.engine.id;\n\t};\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Manager.prototype);\n\t\n\t/**\n\t * Sets the `reconnection` config.\n\t *\n\t * @param {Boolean} true/false if it should automatically reconnect\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnection = function (v) {\n\t if (!arguments.length) return this._reconnection;\n\t this._reconnection = !!v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the reconnection attempts config.\n\t *\n\t * @param {Number} max reconnection attempts before giving up\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionAttempts = function (v) {\n\t if (!arguments.length) return this._reconnectionAttempts;\n\t this._reconnectionAttempts = v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the delay between reconnections.\n\t *\n\t * @param {Number} delay\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionDelay = function (v) {\n\t if (!arguments.length) return this._reconnectionDelay;\n\t this._reconnectionDelay = v;\n\t this.backoff && this.backoff.setMin(v);\n\t return this;\n\t};\n\t\n\tManager.prototype.randomizationFactor = function (v) {\n\t if (!arguments.length) return this._randomizationFactor;\n\t this._randomizationFactor = v;\n\t this.backoff && this.backoff.setJitter(v);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the maximum delay between reconnections.\n\t *\n\t * @param {Number} delay\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.reconnectionDelayMax = function (v) {\n\t if (!arguments.length) return this._reconnectionDelayMax;\n\t this._reconnectionDelayMax = v;\n\t this.backoff && this.backoff.setMax(v);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the connection timeout. `false` to disable\n\t *\n\t * @return {Manager} self or value\n\t * @api public\n\t */\n\t\n\tManager.prototype.timeout = function (v) {\n\t if (!arguments.length) return this._timeout;\n\t this._timeout = v;\n\t return this;\n\t};\n\t\n\t/**\n\t * Starts trying to reconnect if reconnection is enabled and we have not\n\t * started reconnecting yet\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.maybeReconnectOnOpen = function () {\n\t // Only try to reconnect if it's the first time we're connecting\n\t if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {\n\t // keeps reconnection from firing twice for the same reconnection loop\n\t this.reconnect();\n\t }\n\t};\n\t\n\t/**\n\t * Sets the current transport `socket`.\n\t *\n\t * @param {Function} optional, callback\n\t * @return {Manager} self\n\t * @api public\n\t */\n\t\n\tManager.prototype.open = Manager.prototype.connect = function (fn, opts) {\n\t\n\t if (~this.readyState.indexOf('open')) return this;\n\t\n\t this.engine = eio(this.uri, this.opts);\n\t var socket = this.engine;\n\t var self = this;\n\t this.readyState = 'opening';\n\t this.skipReconnect = false;\n\t\n\t // emit `open`\n\t var openSub = on(socket, 'open', function () {\n\t self.onopen();\n\t fn && fn();\n\t });\n\t\n\t // emit `connect_error`\n\t var errorSub = on(socket, 'error', function (data) {\n\t\n\t self.cleanup();\n\t self.readyState = 'closed';\n\t self.emitAll('connect_error', data);\n\t if (fn) {\n\t var err = new Error('Connection error');\n\t err.data = data;\n\t fn(err);\n\t } else {\n\t // Only do this if there is no fn to handle the error\n\t self.maybeReconnectOnOpen();\n\t }\n\t });\n\t\n\t // emit `connect_timeout`\n\t if (false !== this._timeout) {\n\t var timeout = this._timeout;\n\t\n\t // set timer\n\t var timer = setTimeout(function () {\n\t\n\t openSub.destroy();\n\t socket.close();\n\t socket.emit('error', 'timeout');\n\t self.emitAll('connect_timeout', timeout);\n\t }, timeout);\n\t\n\t this.subs.push({\n\t destroy: function destroy() {\n\t clearTimeout(timer);\n\t }\n\t });\n\t }\n\t\n\t this.subs.push(openSub);\n\t this.subs.push(errorSub);\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Called upon transport open.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onopen = function () {\n\t\n\t // clear old subs\n\t this.cleanup();\n\t\n\t // mark as open\n\t this.readyState = 'open';\n\t this.emit('open');\n\t\n\t // add new subs\n\t var socket = this.engine;\n\t this.subs.push(on(socket, 'data', bind(this, 'ondata')));\n\t this.subs.push(on(socket, 'ping', bind(this, 'onping')));\n\t this.subs.push(on(socket, 'pong', bind(this, 'onpong')));\n\t this.subs.push(on(socket, 'error', bind(this, 'onerror')));\n\t this.subs.push(on(socket, 'close', bind(this, 'onclose')));\n\t this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));\n\t};\n\t\n\t/**\n\t * Called upon a ping.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onping = function () {\n\t this.lastPing = new Date();\n\t this.emitAll('ping');\n\t};\n\t\n\t/**\n\t * Called upon a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onpong = function () {\n\t this.emitAll('pong', new Date() - this.lastPing);\n\t};\n\t\n\t/**\n\t * Called with data.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.ondata = function (data) {\n\t this.decoder.add(data);\n\t};\n\t\n\t/**\n\t * Called when parser fully decodes a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.ondecoded = function (packet) {\n\t this.emit('packet', packet);\n\t};\n\t\n\t/**\n\t * Called upon socket error.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onerror = function (err) {\n\t\n\t this.emitAll('error', err);\n\t};\n\t\n\t/**\n\t * Creates a new socket for the given `nsp`.\n\t *\n\t * @return {Socket}\n\t * @api public\n\t */\n\t\n\tManager.prototype.socket = function (nsp, opts) {\n\t var socket = this.nsps[nsp];\n\t if (!socket) {\n\t socket = new Socket(this, nsp, opts);\n\t this.nsps[nsp] = socket;\n\t var self = this;\n\t socket.on('connecting', onConnecting);\n\t socket.on('connect', function () {\n\t socket.id = self.generateId(nsp);\n\t });\n\t\n\t if (this.autoConnect) {\n\t // manually call here since connecting event is fired before listening\n\t onConnecting();\n\t }\n\t }\n\t\n\t function onConnecting() {\n\t if (!~indexOf(self.connecting, socket)) {\n\t self.connecting.push(socket);\n\t }\n\t }\n\t\n\t return socket;\n\t};\n\t\n\t/**\n\t * Called upon a socket close.\n\t *\n\t * @param {Socket} socket\n\t */\n\t\n\tManager.prototype.destroy = function (socket) {\n\t var index = indexOf(this.connecting, socket);\n\t if (~index) this.connecting.splice(index, 1);\n\t if (this.connecting.length) return;\n\t\n\t this.close();\n\t};\n\t\n\t/**\n\t * Writes a packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tManager.prototype.packet = function (packet) {\n\t\n\t var self = this;\n\t if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;\n\t\n\t if (!self.encoding) {\n\t // encode, then write to engine with result\n\t self.encoding = true;\n\t this.encoder.encode(packet, function (encodedPackets) {\n\t for (var i = 0; i < encodedPackets.length; i++) {\n\t self.engine.write(encodedPackets[i], packet.options);\n\t }\n\t self.encoding = false;\n\t self.processPacketQueue();\n\t });\n\t } else {\n\t // add packet to the queue\n\t self.packetBuffer.push(packet);\n\t }\n\t};\n\t\n\t/**\n\t * If packet buffer is non-empty, begins encoding the\n\t * next packet in line.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.processPacketQueue = function () {\n\t if (this.packetBuffer.length > 0 && !this.encoding) {\n\t var pack = this.packetBuffer.shift();\n\t this.packet(pack);\n\t }\n\t};\n\t\n\t/**\n\t * Clean up transport subscriptions and packet buffer.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.cleanup = function () {\n\t\n\t var subsLength = this.subs.length;\n\t for (var i = 0; i < subsLength; i++) {\n\t var sub = this.subs.shift();\n\t sub.destroy();\n\t }\n\t\n\t this.packetBuffer = [];\n\t this.encoding = false;\n\t this.lastPing = null;\n\t\n\t this.decoder.destroy();\n\t};\n\t\n\t/**\n\t * Close the current socket.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.close = Manager.prototype.disconnect = function () {\n\t\n\t this.skipReconnect = true;\n\t this.reconnecting = false;\n\t if ('opening' === this.readyState) {\n\t // `onclose` will not fire because\n\t // an open event never happened\n\t this.cleanup();\n\t }\n\t this.backoff.reset();\n\t this.readyState = 'closed';\n\t if (this.engine) this.engine.close();\n\t};\n\t\n\t/**\n\t * Called upon engine close.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onclose = function (reason) {\n\t\n\t this.cleanup();\n\t this.backoff.reset();\n\t this.readyState = 'closed';\n\t this.emit('close', reason);\n\t\n\t if (this._reconnection && !this.skipReconnect) {\n\t this.reconnect();\n\t }\n\t};\n\t\n\t/**\n\t * Attempt a reconnection.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.reconnect = function () {\n\t if (this.reconnecting || this.skipReconnect) return this;\n\t\n\t var self = this;\n\t\n\t if (this.backoff.attempts >= this._reconnectionAttempts) {\n\t\n\t this.backoff.reset();\n\t this.emitAll('reconnect_failed');\n\t this.reconnecting = false;\n\t } else {\n\t var delay = this.backoff.duration();\n\t\n\t this.reconnecting = true;\n\t var timer = setTimeout(function () {\n\t if (self.skipReconnect) return;\n\t\n\t self.emitAll('reconnect_attempt', self.backoff.attempts);\n\t self.emitAll('reconnecting', self.backoff.attempts);\n\t\n\t // check again for the case socket closed in above events\n\t if (self.skipReconnect) return;\n\t\n\t self.open(function (err) {\n\t if (err) {\n\t\n\t self.reconnecting = false;\n\t self.reconnect();\n\t self.emitAll('reconnect_error', err.data);\n\t } else {\n\t\n\t self.onreconnect();\n\t }\n\t });\n\t }, delay);\n\t\n\t this.subs.push({\n\t destroy: function destroy() {\n\t clearTimeout(timer);\n\t }\n\t });\n\t }\n\t};\n\t\n\t/**\n\t * Called upon successful reconnect.\n\t *\n\t * @api private\n\t */\n\t\n\tManager.prototype.onreconnect = function () {\n\t var attempt = this.backoff.attempts;\n\t this.reconnecting = false;\n\t this.backoff.reset();\n\t this.updateSocketIds();\n\t this.emitAll('reconnect', attempt);\n\t};\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\n\tmodule.exports = __webpack_require__(12);\n\t\n\t/**\n\t * Exports parser\n\t *\n\t * @api public\n\t *\n\t */\n\tmodule.exports.parser = __webpack_require__(19);\n\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies.\n\t */\n\t\n\tvar transports = __webpack_require__(13);\n\tvar Emitter = __webpack_require__(5);\n\tvar debug = __webpack_require__(3)('engine.io-client:socket');\n\tvar index = __webpack_require__(33);\n\tvar parser = __webpack_require__(19);\n\tvar parseuri = __webpack_require__(2);\n\tvar parseqs = __webpack_require__(27);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Socket;\n\t\n\t/**\n\t * Socket constructor.\n\t *\n\t * @param {String|Object} uri or options\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Socket (uri, opts) {\n\t if (!(this instanceof Socket)) return new Socket(uri, opts);\n\t\n\t opts = opts || {};\n\t\n\t if (uri && 'object' === typeof uri) {\n\t opts = uri;\n\t uri = null;\n\t }\n\t\n\t if (uri) {\n\t uri = parseuri(uri);\n\t opts.hostname = uri.host;\n\t opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n\t opts.port = uri.port;\n\t if (uri.query) opts.query = uri.query;\n\t } else if (opts.host) {\n\t opts.hostname = parseuri(opts.host).host;\n\t }\n\t\n\t this.secure = null != opts.secure ? opts.secure\n\t : (global.location && 'https:' === location.protocol);\n\t\n\t if (opts.hostname && !opts.port) {\n\t // if no port is specified manually, use the protocol default\n\t opts.port = this.secure ? '443' : '80';\n\t }\n\t\n\t this.agent = opts.agent || false;\n\t this.hostname = opts.hostname ||\n\t (global.location ? location.hostname : 'localhost');\n\t this.port = opts.port || (global.location && location.port\n\t ? location.port\n\t : (this.secure ? 443 : 80));\n\t this.query = opts.query || {};\n\t if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n\t this.upgrade = false !== opts.upgrade;\n\t this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n\t this.forceJSONP = !!opts.forceJSONP;\n\t this.jsonp = false !== opts.jsonp;\n\t this.forceBase64 = !!opts.forceBase64;\n\t this.enablesXDR = !!opts.enablesXDR;\n\t this.timestampParam = opts.timestampParam || 't';\n\t this.timestampRequests = opts.timestampRequests;\n\t this.transports = opts.transports || ['polling', 'websocket'];\n\t this.transportOptions = opts.transportOptions || {};\n\t this.readyState = '';\n\t this.writeBuffer = [];\n\t this.prevBufferLen = 0;\n\t this.policyPort = opts.policyPort || 843;\n\t this.rememberUpgrade = opts.rememberUpgrade || false;\n\t this.binaryType = null;\n\t this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n\t this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\t\n\t if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n\t if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n\t this.perMessageDeflate.threshold = 1024;\n\t }\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx || null;\n\t this.key = opts.key || null;\n\t this.passphrase = opts.passphrase || null;\n\t this.cert = opts.cert || null;\n\t this.ca = opts.ca || null;\n\t this.ciphers = opts.ciphers || null;\n\t this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n\t this.forceNode = !!opts.forceNode;\n\t\n\t // other options for Node.js client\n\t var freeGlobal = typeof global === 'object' && global;\n\t if (freeGlobal.global === freeGlobal) {\n\t if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n\t this.extraHeaders = opts.extraHeaders;\n\t }\n\t\n\t if (opts.localAddress) {\n\t this.localAddress = opts.localAddress;\n\t }\n\t }\n\t\n\t // set on handshake\n\t this.id = null;\n\t this.upgrades = null;\n\t this.pingInterval = null;\n\t this.pingTimeout = null;\n\t\n\t // set on heartbeat\n\t this.pingIntervalTimer = null;\n\t this.pingTimeoutTimer = null;\n\t\n\t this.open();\n\t}\n\t\n\tSocket.priorWebsocketSuccess = false;\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Socket.prototype);\n\t\n\t/**\n\t * Protocol version.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.protocol = parser.protocol; // this is an int\n\t\n\t/**\n\t * Expose deps for legacy compatibility\n\t * and standalone browser access.\n\t */\n\t\n\tSocket.Socket = Socket;\n\tSocket.Transport = __webpack_require__(18);\n\tSocket.transports = __webpack_require__(13);\n\tSocket.parser = __webpack_require__(19);\n\t\n\t/**\n\t * Creates transport of the given type.\n\t *\n\t * @param {String} transport name\n\t * @return {Transport}\n\t * @api private\n\t */\n\t\n\tSocket.prototype.createTransport = function (name) {\n\t\n\t var query = clone(this.query);\n\t\n\t // append engine.io protocol identifier\n\t query.EIO = parser.protocol;\n\t\n\t // transport name\n\t query.transport = name;\n\t\n\t // per-transport options\n\t var options = this.transportOptions[name] || {};\n\t\n\t // session id if we already have one\n\t if (this.id) query.sid = this.id;\n\t\n\t var transport = new transports[name]({\n\t query: query,\n\t socket: this,\n\t agent: options.agent || this.agent,\n\t hostname: options.hostname || this.hostname,\n\t port: options.port || this.port,\n\t secure: options.secure || this.secure,\n\t path: options.path || this.path,\n\t forceJSONP: options.forceJSONP || this.forceJSONP,\n\t jsonp: options.jsonp || this.jsonp,\n\t forceBase64: options.forceBase64 || this.forceBase64,\n\t enablesXDR: options.enablesXDR || this.enablesXDR,\n\t timestampRequests: options.timestampRequests || this.timestampRequests,\n\t timestampParam: options.timestampParam || this.timestampParam,\n\t policyPort: options.policyPort || this.policyPort,\n\t pfx: options.pfx || this.pfx,\n\t key: options.key || this.key,\n\t passphrase: options.passphrase || this.passphrase,\n\t cert: options.cert || this.cert,\n\t ca: options.ca || this.ca,\n\t ciphers: options.ciphers || this.ciphers,\n\t rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n\t perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n\t extraHeaders: options.extraHeaders || this.extraHeaders,\n\t forceNode: options.forceNode || this.forceNode,\n\t localAddress: options.localAddress || this.localAddress,\n\t requestTimeout: options.requestTimeout || this.requestTimeout,\n\t protocols: options.protocols || void (0)\n\t });\n\t\n\t return transport;\n\t};\n\t\n\tfunction clone (obj) {\n\t var o = {};\n\t for (var i in obj) {\n\t if (obj.hasOwnProperty(i)) {\n\t o[i] = obj[i];\n\t }\n\t }\n\t return o;\n\t}\n\t\n\t/**\n\t * Initializes transport to use and starts probe.\n\t *\n\t * @api private\n\t */\n\tSocket.prototype.open = function () {\n\t var transport;\n\t if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n\t transport = 'websocket';\n\t } else if (0 === this.transports.length) {\n\t // Emit error on next tick so it can be listened to\n\t var self = this;\n\t setTimeout(function () {\n\t self.emit('error', 'No transports available');\n\t }, 0);\n\t return;\n\t } else {\n\t transport = this.transports[0];\n\t }\n\t this.readyState = 'opening';\n\t\n\t // Retry with the next transport if the transport is disabled (jsonp: false)\n\t try {\n\t transport = this.createTransport(transport);\n\t } catch (e) {\n\t this.transports.shift();\n\t this.open();\n\t return;\n\t }\n\t\n\t transport.open();\n\t this.setTransport(transport);\n\t};\n\t\n\t/**\n\t * Sets the current transport. Disables the existing one (if any).\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.setTransport = function (transport) {\n\t\n\t var self = this;\n\t\n\t if (this.transport) {\n\t\n\t this.transport.removeAllListeners();\n\t }\n\t\n\t // set up transport\n\t this.transport = transport;\n\t\n\t // set up transport listeners\n\t transport\n\t .on('drain', function () {\n\t self.onDrain();\n\t })\n\t .on('packet', function (packet) {\n\t self.onPacket(packet);\n\t })\n\t .on('error', function (e) {\n\t self.onError(e);\n\t })\n\t .on('close', function () {\n\t self.onClose('transport close');\n\t });\n\t};\n\t\n\t/**\n\t * Probes a transport.\n\t *\n\t * @param {String} transport name\n\t * @api private\n\t */\n\t\n\tSocket.prototype.probe = function (name) {\n\t\n\t var transport = this.createTransport(name, { probe: 1 });\n\t var failed = false;\n\t var self = this;\n\t\n\t Socket.priorWebsocketSuccess = false;\n\t\n\t function onTransportOpen () {\n\t if (self.onlyBinaryUpgrades) {\n\t var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n\t failed = failed || upgradeLosesBinary;\n\t }\n\t if (failed) return;\n\t\n\t\n\t transport.send([{ type: 'ping', data: 'probe' }]);\n\t transport.once('packet', function (msg) {\n\t if (failed) return;\n\t if ('pong' === msg.type && 'probe' === msg.data) {\n\t\n\t self.upgrading = true;\n\t self.emit('upgrading', transport);\n\t if (!transport) return;\n\t Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\t\n\t\n\t self.transport.pause(function () {\n\t if (failed) return;\n\t if ('closed' === self.readyState) return;\n\t\n\t\n\t cleanup();\n\t\n\t self.setTransport(transport);\n\t transport.send([{ type: 'upgrade' }]);\n\t self.emit('upgrade', transport);\n\t transport = null;\n\t self.upgrading = false;\n\t self.flush();\n\t });\n\t } else {\n\t\n\t var err = new Error('probe error');\n\t err.transport = transport.name;\n\t self.emit('upgradeError', err);\n\t }\n\t });\n\t }\n\t\n\t function freezeTransport () {\n\t if (failed) return;\n\t\n\t // Any callback called by transport should be ignored since now\n\t failed = true;\n\t\n\t cleanup();\n\t\n\t transport.close();\n\t transport = null;\n\t }\n\t\n\t // Handle any error that happens while probing\n\t function onerror (err) {\n\t var error = new Error('probe error: ' + err);\n\t error.transport = transport.name;\n\t\n\t freezeTransport();\n\t\n\t\n\t\n\t self.emit('upgradeError', error);\n\t }\n\t\n\t function onTransportClose () {\n\t onerror('transport closed');\n\t }\n\t\n\t // When the socket is closed while we're probing\n\t function onclose () {\n\t onerror('socket closed');\n\t }\n\t\n\t // When the socket is upgraded while we're probing\n\t function onupgrade (to) {\n\t if (transport && to.name !== transport.name) {\n\t\n\t freezeTransport();\n\t }\n\t }\n\t\n\t // Remove all listeners on the transport and on self\n\t function cleanup () {\n\t transport.removeListener('open', onTransportOpen);\n\t transport.removeListener('error', onerror);\n\t transport.removeListener('close', onTransportClose);\n\t self.removeListener('close', onclose);\n\t self.removeListener('upgrading', onupgrade);\n\t }\n\t\n\t transport.once('open', onTransportOpen);\n\t transport.once('error', onerror);\n\t transport.once('close', onTransportClose);\n\t\n\t this.once('close', onclose);\n\t this.once('upgrading', onupgrade);\n\t\n\t transport.open();\n\t};\n\t\n\t/**\n\t * Called when connection is deemed open.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.prototype.onOpen = function () {\n\t\n\t this.readyState = 'open';\n\t Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n\t this.emit('open');\n\t this.flush();\n\t\n\t // we check for `readyState` in case an `open`\n\t // listener already closed the socket\n\t if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n\t\n\t for (var i = 0, l = this.upgrades.length; i < l; i++) {\n\t this.probe(this.upgrades[i]);\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Handles a packet.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onPacket = function (packet) {\n\t if ('opening' === this.readyState || 'open' === this.readyState ||\n\t 'closing' === this.readyState) {\n\t\n\t\n\t this.emit('packet', packet);\n\t\n\t // Socket is live - any packet counts\n\t this.emit('heartbeat');\n\t\n\t switch (packet.type) {\n\t case 'open':\n\t this.onHandshake(JSON.parse(packet.data));\n\t break;\n\t\n\t case 'pong':\n\t this.setPing();\n\t this.emit('pong');\n\t break;\n\t\n\t case 'error':\n\t var err = new Error('server error');\n\t err.code = packet.data;\n\t this.onError(err);\n\t break;\n\t\n\t case 'message':\n\t this.emit('data', packet.data);\n\t this.emit('message', packet.data);\n\t break;\n\t }\n\t } else {\n\t\n\t }\n\t};\n\t\n\t/**\n\t * Called upon handshake completion.\n\t *\n\t * @param {Object} handshake obj\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onHandshake = function (data) {\n\t this.emit('handshake', data);\n\t this.id = data.sid;\n\t this.transport.query.sid = data.sid;\n\t this.upgrades = this.filterUpgrades(data.upgrades);\n\t this.pingInterval = data.pingInterval;\n\t this.pingTimeout = data.pingTimeout;\n\t this.onOpen();\n\t // In case open handler closes socket\n\t if ('closed' === this.readyState) return;\n\t this.setPing();\n\t\n\t // Prolong liveness of socket on heartbeat\n\t this.removeListener('heartbeat', this.onHeartbeat);\n\t this.on('heartbeat', this.onHeartbeat);\n\t};\n\t\n\t/**\n\t * Resets ping timeout.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onHeartbeat = function (timeout) {\n\t clearTimeout(this.pingTimeoutTimer);\n\t var self = this;\n\t self.pingTimeoutTimer = setTimeout(function () {\n\t if ('closed' === self.readyState) return;\n\t self.onClose('ping timeout');\n\t }, timeout || (self.pingInterval + self.pingTimeout));\n\t};\n\t\n\t/**\n\t * Pings server every `this.pingInterval` and expects response\n\t * within `this.pingTimeout` or closes connection.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.setPing = function () {\n\t var self = this;\n\t clearTimeout(self.pingIntervalTimer);\n\t self.pingIntervalTimer = setTimeout(function () {\n\t\n\t self.ping();\n\t self.onHeartbeat(self.pingTimeout);\n\t }, self.pingInterval);\n\t};\n\t\n\t/**\n\t* Sends a ping packet.\n\t*\n\t* @api private\n\t*/\n\t\n\tSocket.prototype.ping = function () {\n\t var self = this;\n\t this.sendPacket('ping', function () {\n\t self.emit('ping');\n\t });\n\t};\n\t\n\t/**\n\t * Called on `drain` event\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onDrain = function () {\n\t this.writeBuffer.splice(0, this.prevBufferLen);\n\t\n\t // setting prevBufferLen = 0 is very important\n\t // for example, when upgrading, upgrade packet is sent over,\n\t // and a nonzero prevBufferLen could cause problems on `drain`\n\t this.prevBufferLen = 0;\n\t\n\t if (0 === this.writeBuffer.length) {\n\t this.emit('drain');\n\t } else {\n\t this.flush();\n\t }\n\t};\n\t\n\t/**\n\t * Flush write buffers.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.flush = function () {\n\t if ('closed' !== this.readyState && this.transport.writable &&\n\t !this.upgrading && this.writeBuffer.length) {\n\t\n\t this.transport.send(this.writeBuffer);\n\t // keep track of current length of writeBuffer\n\t // splice writeBuffer and callbackBuffer on `drain`\n\t this.prevBufferLen = this.writeBuffer.length;\n\t this.emit('flush');\n\t }\n\t};\n\t\n\t/**\n\t * Sends a message.\n\t *\n\t * @param {String} message.\n\t * @param {Function} callback function.\n\t * @param {Object} options.\n\t * @return {Socket} for chaining.\n\t * @api public\n\t */\n\t\n\tSocket.prototype.write =\n\tSocket.prototype.send = function (msg, options, fn) {\n\t this.sendPacket('message', msg, options, fn);\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a packet.\n\t *\n\t * @param {String} packet type.\n\t * @param {String} data.\n\t * @param {Object} options.\n\t * @param {Function} callback function.\n\t * @api private\n\t */\n\t\n\tSocket.prototype.sendPacket = function (type, data, options, fn) {\n\t if ('function' === typeof data) {\n\t fn = data;\n\t data = undefined;\n\t }\n\t\n\t if ('function' === typeof options) {\n\t fn = options;\n\t options = null;\n\t }\n\t\n\t if ('closing' === this.readyState || 'closed' === this.readyState) {\n\t return;\n\t }\n\t\n\t options = options || {};\n\t options.compress = false !== options.compress;\n\t\n\t var packet = {\n\t type: type,\n\t data: data,\n\t options: options\n\t };\n\t this.emit('packetCreate', packet);\n\t this.writeBuffer.push(packet);\n\t if (fn) this.once('flush', fn);\n\t this.flush();\n\t};\n\t\n\t/**\n\t * Closes the connection.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.close = function () {\n\t if ('opening' === this.readyState || 'open' === this.readyState) {\n\t this.readyState = 'closing';\n\t\n\t var self = this;\n\t\n\t if (this.writeBuffer.length) {\n\t this.once('drain', function () {\n\t if (this.upgrading) {\n\t waitForUpgrade();\n\t } else {\n\t close();\n\t }\n\t });\n\t } else if (this.upgrading) {\n\t waitForUpgrade();\n\t } else {\n\t close();\n\t }\n\t }\n\t\n\t function close () {\n\t self.onClose('forced close');\n\t\n\t self.transport.close();\n\t }\n\t\n\t function cleanupAndClose () {\n\t self.removeListener('upgrade', cleanupAndClose);\n\t self.removeListener('upgradeError', cleanupAndClose);\n\t close();\n\t }\n\t\n\t function waitForUpgrade () {\n\t // wait for upgrade to finish since we can't send packets while pausing a transport\n\t self.once('upgrade', cleanupAndClose);\n\t self.once('upgradeError', cleanupAndClose);\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Called upon transport error\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onError = function (err) {\n\t\n\t Socket.priorWebsocketSuccess = false;\n\t this.emit('error', err);\n\t this.onClose('transport error', err);\n\t};\n\t\n\t/**\n\t * Called upon transport close.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onClose = function (reason, desc) {\n\t if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n\t\n\t var self = this;\n\t\n\t // clear timers\n\t clearTimeout(this.pingIntervalTimer);\n\t clearTimeout(this.pingTimeoutTimer);\n\t\n\t // stop event from firing again for transport\n\t this.transport.removeAllListeners('close');\n\t\n\t // ensure transport won't stay open\n\t this.transport.close();\n\t\n\t // ignore further transport communication\n\t this.transport.removeAllListeners();\n\t\n\t // set ready state\n\t this.readyState = 'closed';\n\t\n\t // clear session id\n\t this.id = null;\n\t\n\t // emit close event\n\t this.emit('close', reason, desc);\n\t\n\t // clean buffers after, so users can still\n\t // grab the buffers on `close` event\n\t self.writeBuffer = [];\n\t self.prevBufferLen = 0;\n\t }\n\t};\n\t\n\t/**\n\t * Filters upgrades, returning only those matching client transports.\n\t *\n\t * @param {Array} server upgrades\n\t * @api private\n\t *\n\t */\n\t\n\tSocket.prototype.filterUpgrades = function (upgrades) {\n\t var filteredUpgrades = [];\n\t for (var i = 0, j = upgrades.length; i < j; i++) {\n\t if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n\t }\n\t return filteredUpgrades;\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies\n\t */\n\t\n\tvar XMLHttpRequest = __webpack_require__(14);\n\tvar XHR = __webpack_require__(16);\n\tvar JSONP = __webpack_require__(30);\n\tvar websocket = __webpack_require__(31);\n\t\n\t/**\n\t * Export transports.\n\t */\n\t\n\texports.polling = polling;\n\texports.websocket = websocket;\n\t\n\t/**\n\t * Polling transport polymorphic constructor.\n\t * Decides on xhr vs jsonp based on feature detection.\n\t *\n\t * @api private\n\t */\n\t\n\tfunction polling (opts) {\n\t var xhr;\n\t var xd = false;\n\t var xs = false;\n\t var jsonp = false !== opts.jsonp;\n\t\n\t if (global.location) {\n\t var isSSL = 'https:' === location.protocol;\n\t var port = location.port;\n\t\n\t // some user agents have empty `location.port`\n\t if (!port) {\n\t port = isSSL ? 443 : 80;\n\t }\n\t\n\t xd = opts.hostname !== location.hostname || port !== opts.port;\n\t xs = opts.secure !== isSSL;\n\t }\n\t\n\t opts.xdomain = xd;\n\t opts.xscheme = xs;\n\t xhr = new XMLHttpRequest(opts);\n\t\n\t if ('open' in xhr && !opts.forceJSONP) {\n\t return new XHR(opts);\n\t } else {\n\t if (!jsonp) throw new Error('JSONP disabled');\n\t return new JSONP(opts);\n\t }\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {// browser shim for xmlhttprequest module\n\t\n\tvar hasCORS = __webpack_require__(15);\n\t\n\tmodule.exports = function (opts) {\n\t var xdomain = opts.xdomain;\n\t\n\t // scheme must be same when usign XDomainRequest\n\t // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n\t var xscheme = opts.xscheme;\n\t\n\t // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n\t // https://github.com/Automattic/engine.io-client/pull/217\n\t var enablesXDR = opts.enablesXDR;\n\t\n\t // XMLHttpRequest can be disabled on IE\n\t try {\n\t if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n\t return new XMLHttpRequest();\n\t }\n\t } catch (e) { }\n\t\n\t // Use XDomainRequest for IE8 if enablesXDR is true\n\t // because loading bar keeps flashing when using jsonp-polling\n\t // https://github.com/yujiosaka/socke.io-ie8-loading-example\n\t try {\n\t if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {\n\t return new XDomainRequest();\n\t }\n\t } catch (e) { }\n\t\n\t if (!xdomain) {\n\t try {\n\t return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');\n\t } catch (e) { }\n\t }\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Module exports.\n\t *\n\t * Logic borrowed from Modernizr:\n\t *\n\t * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n\t */\n\t\n\ttry {\n\t module.exports = typeof XMLHttpRequest !== 'undefined' &&\n\t 'withCredentials' in new XMLHttpRequest();\n\t} catch (err) {\n\t // if XMLHttp support is disabled in IE then it will throw\n\t // when trying to create\n\t module.exports = false;\n\t}\n\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module requirements.\n\t */\n\t\n\tvar XMLHttpRequest = __webpack_require__(14);\n\tvar Polling = __webpack_require__(17);\n\tvar Emitter = __webpack_require__(5);\n\tvar inherit = __webpack_require__(28);\n\tvar debug = __webpack_require__(3)('engine.io-client:polling-xhr');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = XHR;\n\tmodule.exports.Request = Request;\n\t\n\t/**\n\t * Empty function\n\t */\n\t\n\tfunction empty () {}\n\t\n\t/**\n\t * XHR Polling constructor.\n\t *\n\t * @param {Object} opts\n\t * @api public\n\t */\n\t\n\tfunction XHR (opts) {\n\t Polling.call(this, opts);\n\t this.requestTimeout = opts.requestTimeout;\n\t this.extraHeaders = opts.extraHeaders;\n\t\n\t if (global.location) {\n\t var isSSL = 'https:' === location.protocol;\n\t var port = location.port;\n\t\n\t // some user agents have empty `location.port`\n\t if (!port) {\n\t port = isSSL ? 443 : 80;\n\t }\n\t\n\t this.xd = opts.hostname !== global.location.hostname ||\n\t port !== opts.port;\n\t this.xs = opts.secure !== isSSL;\n\t }\n\t}\n\t\n\t/**\n\t * Inherits from Polling.\n\t */\n\t\n\tinherit(XHR, Polling);\n\t\n\t/**\n\t * XHR supports binary\n\t */\n\t\n\tXHR.prototype.supportsBinary = true;\n\t\n\t/**\n\t * Creates a request.\n\t *\n\t * @param {String} method\n\t * @api private\n\t */\n\t\n\tXHR.prototype.request = function (opts) {\n\t opts = opts || {};\n\t opts.uri = this.uri();\n\t opts.xd = this.xd;\n\t opts.xs = this.xs;\n\t opts.agent = this.agent || false;\n\t opts.supportsBinary = this.supportsBinary;\n\t opts.enablesXDR = this.enablesXDR;\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t opts.requestTimeout = this.requestTimeout;\n\t\n\t // other options for Node.js client\n\t opts.extraHeaders = this.extraHeaders;\n\t\n\t return new Request(opts);\n\t};\n\t\n\t/**\n\t * Sends data.\n\t *\n\t * @param {String} data to send.\n\t * @param {Function} called upon flush.\n\t * @api private\n\t */\n\t\n\tXHR.prototype.doWrite = function (data, fn) {\n\t var isBinary = typeof data !== 'string' && data !== undefined;\n\t var req = this.request({ method: 'POST', data: data, isBinary: isBinary });\n\t var self = this;\n\t req.on('success', fn);\n\t req.on('error', function (err) {\n\t self.onError('xhr post error', err);\n\t });\n\t this.sendXhr = req;\n\t};\n\t\n\t/**\n\t * Starts a poll cycle.\n\t *\n\t * @api private\n\t */\n\t\n\tXHR.prototype.doPoll = function () {\n\t\n\t var req = this.request();\n\t var self = this;\n\t req.on('data', function (data) {\n\t self.onData(data);\n\t });\n\t req.on('error', function (err) {\n\t self.onError('xhr poll error', err);\n\t });\n\t this.pollXhr = req;\n\t};\n\t\n\t/**\n\t * Request constructor\n\t *\n\t * @param {Object} options\n\t * @api public\n\t */\n\t\n\tfunction Request (opts) {\n\t this.method = opts.method || 'GET';\n\t this.uri = opts.uri;\n\t this.xd = !!opts.xd;\n\t this.xs = !!opts.xs;\n\t this.async = false !== opts.async;\n\t this.data = undefined !== opts.data ? opts.data : null;\n\t this.agent = opts.agent;\n\t this.isBinary = opts.isBinary;\n\t this.supportsBinary = opts.supportsBinary;\n\t this.enablesXDR = opts.enablesXDR;\n\t this.requestTimeout = opts.requestTimeout;\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx;\n\t this.key = opts.key;\n\t this.passphrase = opts.passphrase;\n\t this.cert = opts.cert;\n\t this.ca = opts.ca;\n\t this.ciphers = opts.ciphers;\n\t this.rejectUnauthorized = opts.rejectUnauthorized;\n\t\n\t // other options for Node.js client\n\t this.extraHeaders = opts.extraHeaders;\n\t\n\t this.create();\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Request.prototype);\n\t\n\t/**\n\t * Creates the XHR object and sends the request.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.create = function () {\n\t var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t\n\t var xhr = this.xhr = new XMLHttpRequest(opts);\n\t var self = this;\n\t\n\t try {\n\t\n\t xhr.open(this.method, this.uri, this.async);\n\t try {\n\t if (this.extraHeaders) {\n\t xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n\t for (var i in this.extraHeaders) {\n\t if (this.extraHeaders.hasOwnProperty(i)) {\n\t xhr.setRequestHeader(i, this.extraHeaders[i]);\n\t }\n\t }\n\t }\n\t } catch (e) {}\n\t\n\t if ('POST' === this.method) {\n\t try {\n\t if (this.isBinary) {\n\t xhr.setRequestHeader('Content-type', 'application/octet-stream');\n\t } else {\n\t xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');\n\t }\n\t } catch (e) {}\n\t }\n\t\n\t try {\n\t xhr.setRequestHeader('Accept', '*/*');\n\t } catch (e) {}\n\t\n\t // ie6 check\n\t if ('withCredentials' in xhr) {\n\t xhr.withCredentials = true;\n\t }\n\t\n\t if (this.requestTimeout) {\n\t xhr.timeout = this.requestTimeout;\n\t }\n\t\n\t if (this.hasXDR()) {\n\t xhr.onload = function () {\n\t self.onLoad();\n\t };\n\t xhr.onerror = function () {\n\t self.onError(xhr.responseText);\n\t };\n\t } else {\n\t xhr.onreadystatechange = function () {\n\t if (xhr.readyState === 2) {\n\t var contentType;\n\t try {\n\t contentType = xhr.getResponseHeader('Content-Type');\n\t } catch (e) {}\n\t if (contentType === 'application/octet-stream') {\n\t xhr.responseType = 'arraybuffer';\n\t }\n\t }\n\t if (4 !== xhr.readyState) return;\n\t if (200 === xhr.status || 1223 === xhr.status) {\n\t self.onLoad();\n\t } else {\n\t // make sure the `error` event handler that's user-set\n\t // does not throw in the same tick and gets caught here\n\t setTimeout(function () {\n\t self.onError(xhr.status);\n\t }, 0);\n\t }\n\t };\n\t }\n\t\n\t\n\t xhr.send(this.data);\n\t } catch (e) {\n\t // Need to defer since .create() is called directly fhrom the constructor\n\t // and thus the 'error' event can only be only bound *after* this exception\n\t // occurs. Therefore, also, we cannot throw here at all.\n\t setTimeout(function () {\n\t self.onError(e);\n\t }, 0);\n\t return;\n\t }\n\t\n\t if (global.document) {\n\t this.index = Request.requestsCount++;\n\t Request.requests[this.index] = this;\n\t }\n\t};\n\t\n\t/**\n\t * Called upon successful response.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onSuccess = function () {\n\t this.emit('success');\n\t this.cleanup();\n\t};\n\t\n\t/**\n\t * Called if we have data.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onData = function (data) {\n\t this.emit('data', data);\n\t this.onSuccess();\n\t};\n\t\n\t/**\n\t * Called upon error.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onError = function (err) {\n\t this.emit('error', err);\n\t this.cleanup(true);\n\t};\n\t\n\t/**\n\t * Cleans up house.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.cleanup = function (fromError) {\n\t if ('undefined' === typeof this.xhr || null === this.xhr) {\n\t return;\n\t }\n\t // xmlhttprequest\n\t if (this.hasXDR()) {\n\t this.xhr.onload = this.xhr.onerror = empty;\n\t } else {\n\t this.xhr.onreadystatechange = empty;\n\t }\n\t\n\t if (fromError) {\n\t try {\n\t this.xhr.abort();\n\t } catch (e) {}\n\t }\n\t\n\t if (global.document) {\n\t delete Request.requests[this.index];\n\t }\n\t\n\t this.xhr = null;\n\t};\n\t\n\t/**\n\t * Called upon load.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.onLoad = function () {\n\t var data;\n\t try {\n\t var contentType;\n\t try {\n\t contentType = this.xhr.getResponseHeader('Content-Type');\n\t } catch (e) {}\n\t if (contentType === 'application/octet-stream') {\n\t data = this.xhr.response || this.xhr.responseText;\n\t } else {\n\t data = this.xhr.responseText;\n\t }\n\t } catch (e) {\n\t this.onError(e);\n\t }\n\t if (null != data) {\n\t this.onData(data);\n\t }\n\t};\n\t\n\t/**\n\t * Check if it has XDomainRequest.\n\t *\n\t * @api private\n\t */\n\t\n\tRequest.prototype.hasXDR = function () {\n\t return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;\n\t};\n\t\n\t/**\n\t * Aborts the request.\n\t *\n\t * @api public\n\t */\n\t\n\tRequest.prototype.abort = function () {\n\t this.cleanup();\n\t};\n\t\n\t/**\n\t * Aborts pending requests when unloading the window. This is needed to prevent\n\t * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n\t * emitted.\n\t */\n\t\n\tRequest.requestsCount = 0;\n\tRequest.requests = {};\n\t\n\tif (global.document) {\n\t if (global.attachEvent) {\n\t global.attachEvent('onunload', unloadHandler);\n\t } else if (global.addEventListener) {\n\t global.addEventListener('beforeunload', unloadHandler, false);\n\t }\n\t}\n\t\n\tfunction unloadHandler () {\n\t for (var i in Request.requests) {\n\t if (Request.requests.hasOwnProperty(i)) {\n\t Request.requests[i].abort();\n\t }\n\t }\n\t}\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar Transport = __webpack_require__(18);\n\tvar parseqs = __webpack_require__(27);\n\tvar parser = __webpack_require__(19);\n\tvar inherit = __webpack_require__(28);\n\tvar yeast = __webpack_require__(29);\n\tvar debug = __webpack_require__(3)('engine.io-client:polling');\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Polling;\n\t\n\t/**\n\t * Is XHR2 supported?\n\t */\n\t\n\tvar hasXHR2 = (function () {\n\t var XMLHttpRequest = __webpack_require__(14);\n\t var xhr = new XMLHttpRequest({ xdomain: false });\n\t return null != xhr.responseType;\n\t})();\n\t\n\t/**\n\t * Polling interface.\n\t *\n\t * @param {Object} opts\n\t * @api private\n\t */\n\t\n\tfunction Polling (opts) {\n\t var forceBase64 = (opts && opts.forceBase64);\n\t if (!hasXHR2 || forceBase64) {\n\t this.supportsBinary = false;\n\t }\n\t Transport.call(this, opts);\n\t}\n\t\n\t/**\n\t * Inherits from Transport.\n\t */\n\t\n\tinherit(Polling, Transport);\n\t\n\t/**\n\t * Transport name.\n\t */\n\t\n\tPolling.prototype.name = 'polling';\n\t\n\t/**\n\t * Opens the socket (triggers polling). We write a PING message to determine\n\t * when the transport is open.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.doOpen = function () {\n\t this.poll();\n\t};\n\t\n\t/**\n\t * Pauses polling.\n\t *\n\t * @param {Function} callback upon buffers are flushed and transport is paused\n\t * @api private\n\t */\n\t\n\tPolling.prototype.pause = function (onPause) {\n\t var self = this;\n\t\n\t this.readyState = 'pausing';\n\t\n\t function pause () {\n\t\n\t self.readyState = 'paused';\n\t onPause();\n\t }\n\t\n\t if (this.polling || !this.writable) {\n\t var total = 0;\n\t\n\t if (this.polling) {\n\t\n\t total++;\n\t this.once('pollComplete', function () {\n\t\n\t --total || pause();\n\t });\n\t }\n\t\n\t if (!this.writable) {\n\t\n\t total++;\n\t this.once('drain', function () {\n\t\n\t --total || pause();\n\t });\n\t }\n\t } else {\n\t pause();\n\t }\n\t};\n\t\n\t/**\n\t * Starts polling cycle.\n\t *\n\t * @api public\n\t */\n\t\n\tPolling.prototype.poll = function () {\n\t\n\t this.polling = true;\n\t this.doPoll();\n\t this.emit('poll');\n\t};\n\t\n\t/**\n\t * Overloads onData to detect payloads.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.onData = function (data) {\n\t var self = this;\n\t\n\t var callback = function (packet, index, total) {\n\t // if its the first message we consider the transport open\n\t if ('opening' === self.readyState) {\n\t self.onOpen();\n\t }\n\t\n\t // if its a close packet, we close the ongoing requests\n\t if ('close' === packet.type) {\n\t self.onClose();\n\t return false;\n\t }\n\t\n\t // otherwise bypass onData and handle the message\n\t self.onPacket(packet);\n\t };\n\t\n\t // decode payload\n\t parser.decodePayload(data, this.socket.binaryType, callback);\n\t\n\t // if an event did not trigger closing\n\t if ('closed' !== this.readyState) {\n\t // if we got data we're not polling\n\t this.polling = false;\n\t this.emit('pollComplete');\n\t\n\t if ('open' === this.readyState) {\n\t this.poll();\n\t } else {\n\t\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * For polling, send a close packet.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.doClose = function () {\n\t var self = this;\n\t\n\t function close () {\n\t\n\t self.write([{ type: 'close' }]);\n\t }\n\t\n\t if ('open' === this.readyState) {\n\t\n\t close();\n\t } else {\n\t // in case we're trying to close while\n\t // handshaking is in progress (GH-164)\n\t\n\t this.once('open', close);\n\t }\n\t};\n\t\n\t/**\n\t * Writes a packets payload.\n\t *\n\t * @param {Array} data packets\n\t * @param {Function} drain callback\n\t * @api private\n\t */\n\t\n\tPolling.prototype.write = function (packets) {\n\t var self = this;\n\t this.writable = false;\n\t var callbackfn = function () {\n\t self.writable = true;\n\t self.emit('drain');\n\t };\n\t\n\t parser.encodePayload(packets, this.supportsBinary, function (data) {\n\t self.doWrite(data, callbackfn);\n\t });\n\t};\n\t\n\t/**\n\t * Generates uri for connection.\n\t *\n\t * @api private\n\t */\n\t\n\tPolling.prototype.uri = function () {\n\t var query = this.query || {};\n\t var schema = this.secure ? 'https' : 'http';\n\t var port = '';\n\t\n\t // cache busting is forced\n\t if (false !== this.timestampRequests) {\n\t query[this.timestampParam] = yeast();\n\t }\n\t\n\t if (!this.supportsBinary && !query.sid) {\n\t query.b64 = 1;\n\t }\n\t\n\t query = parseqs.encode(query);\n\t\n\t // avoid port if default for schema\n\t if (this.port && (('https' === schema && Number(this.port) !== 443) ||\n\t ('http' === schema && Number(this.port) !== 80))) {\n\t port = ':' + this.port;\n\t }\n\t\n\t // prepend ? to query\n\t if (query.length) {\n\t query = '?' + query;\n\t }\n\t\n\t var ipv6 = this.hostname.indexOf(':') !== -1;\n\t return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n\t};\n\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parser = __webpack_require__(19);\n\tvar Emitter = __webpack_require__(5);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = Transport;\n\t\n\t/**\n\t * Transport abstract constructor.\n\t *\n\t * @param {Object} options.\n\t * @api private\n\t */\n\t\n\tfunction Transport (opts) {\n\t this.path = opts.path;\n\t this.hostname = opts.hostname;\n\t this.port = opts.port;\n\t this.secure = opts.secure;\n\t this.query = opts.query;\n\t this.timestampParam = opts.timestampParam;\n\t this.timestampRequests = opts.timestampRequests;\n\t this.readyState = '';\n\t this.agent = opts.agent || false;\n\t this.socket = opts.socket;\n\t this.enablesXDR = opts.enablesXDR;\n\t\n\t // SSL options for Node.js client\n\t this.pfx = opts.pfx;\n\t this.key = opts.key;\n\t this.passphrase = opts.passphrase;\n\t this.cert = opts.cert;\n\t this.ca = opts.ca;\n\t this.ciphers = opts.ciphers;\n\t this.rejectUnauthorized = opts.rejectUnauthorized;\n\t this.forceNode = opts.forceNode;\n\t\n\t // other options for Node.js client\n\t this.extraHeaders = opts.extraHeaders;\n\t this.localAddress = opts.localAddress;\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Transport.prototype);\n\t\n\t/**\n\t * Emits an error.\n\t *\n\t * @param {String} str\n\t * @return {Transport} for chaining\n\t * @api public\n\t */\n\t\n\tTransport.prototype.onError = function (msg, desc) {\n\t var err = new Error(msg);\n\t err.type = 'TransportError';\n\t err.description = desc;\n\t this.emit('error', err);\n\t return this;\n\t};\n\t\n\t/**\n\t * Opens the transport.\n\t *\n\t * @api public\n\t */\n\t\n\tTransport.prototype.open = function () {\n\t if ('closed' === this.readyState || '' === this.readyState) {\n\t this.readyState = 'opening';\n\t this.doOpen();\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Closes the transport.\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.close = function () {\n\t if ('opening' === this.readyState || 'open' === this.readyState) {\n\t this.doClose();\n\t this.onClose();\n\t }\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends multiple packets.\n\t *\n\t * @param {Array} packets\n\t * @api private\n\t */\n\t\n\tTransport.prototype.send = function (packets) {\n\t if ('open' === this.readyState) {\n\t this.write(packets);\n\t } else {\n\t throw new Error('Transport not open');\n\t }\n\t};\n\t\n\t/**\n\t * Called upon open\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onOpen = function () {\n\t this.readyState = 'open';\n\t this.writable = true;\n\t this.emit('open');\n\t};\n\t\n\t/**\n\t * Called with data.\n\t *\n\t * @param {String} data\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onData = function (data) {\n\t var packet = parser.decodePacket(data, this.socket.binaryType);\n\t this.onPacket(packet);\n\t};\n\t\n\t/**\n\t * Called with a decoded packet.\n\t */\n\t\n\tTransport.prototype.onPacket = function (packet) {\n\t this.emit('packet', packet);\n\t};\n\t\n\t/**\n\t * Called upon close.\n\t *\n\t * @api private\n\t */\n\t\n\tTransport.prototype.onClose = function () {\n\t this.readyState = 'closed';\n\t this.emit('close');\n\t};\n\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies.\n\t */\n\t\n\tvar keys = __webpack_require__(20);\n\tvar hasBinary = __webpack_require__(6);\n\tvar sliceBuffer = __webpack_require__(21);\n\tvar after = __webpack_require__(22);\n\tvar utf8 = __webpack_require__(23);\n\t\n\tvar base64encoder;\n\tif (global && global.ArrayBuffer) {\n\t base64encoder = __webpack_require__(25);\n\t}\n\t\n\t/**\n\t * Check if we are running an android browser. That requires us to use\n\t * ArrayBuffer with polling transports...\n\t *\n\t * http://ghinda.net/jpeg-blob-ajax-android/\n\t */\n\t\n\tvar isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);\n\t\n\t/**\n\t * Check if we are running in PhantomJS.\n\t * Uploading a Blob with PhantomJS does not work correctly, as reported here:\n\t * https://github.com/ariya/phantomjs/issues/11395\n\t * @type boolean\n\t */\n\tvar isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);\n\t\n\t/**\n\t * When true, avoids using Blobs to encode payloads.\n\t * @type boolean\n\t */\n\tvar dontSendBlobs = isAndroid || isPhantomJS;\n\t\n\t/**\n\t * Current protocol version.\n\t */\n\t\n\texports.protocol = 3;\n\t\n\t/**\n\t * Packet types.\n\t */\n\t\n\tvar packets = exports.packets = {\n\t open: 0 // non-ws\n\t , close: 1 // non-ws\n\t , ping: 2\n\t , pong: 3\n\t , message: 4\n\t , upgrade: 5\n\t , noop: 6\n\t};\n\t\n\tvar packetslist = keys(packets);\n\t\n\t/**\n\t * Premade error packet.\n\t */\n\t\n\tvar err = { type: 'error', data: 'parser error' };\n\t\n\t/**\n\t * Create a blob api even for blob builder when vendor prefixes exist\n\t */\n\t\n\tvar Blob = __webpack_require__(26);\n\t\n\t/**\n\t * Encodes a packet.\n\t *\n\t * <packet type id> [ <data> ]\n\t *\n\t * Example:\n\t *\n\t * 5hello world\n\t * 3\n\t * 4\n\t *\n\t * Binary is encoded in an identical principle\n\t *\n\t * @api private\n\t */\n\t\n\texports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {\n\t if (typeof supportsBinary === 'function') {\n\t callback = supportsBinary;\n\t supportsBinary = false;\n\t }\n\t\n\t if (typeof utf8encode === 'function') {\n\t callback = utf8encode;\n\t utf8encode = null;\n\t }\n\t\n\t var data = (packet.data === undefined)\n\t ? undefined\n\t : packet.data.buffer || packet.data;\n\t\n\t if (global.ArrayBuffer && data instanceof ArrayBuffer) {\n\t return encodeArrayBuffer(packet, supportsBinary, callback);\n\t } else if (Blob && data instanceof global.Blob) {\n\t return encodeBlob(packet, supportsBinary, callback);\n\t }\n\t\n\t // might be an object with { base64: true, data: dataAsBase64String }\n\t if (data && data.base64) {\n\t return encodeBase64Object(packet, callback);\n\t }\n\t\n\t // Sending data as a utf-8 string\n\t var encoded = packets[packet.type];\n\t\n\t // data fragment is optional\n\t if (undefined !== packet.data) {\n\t encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);\n\t }\n\t\n\t return callback('' + encoded);\n\t\n\t};\n\t\n\tfunction encodeBase64Object(packet, callback) {\n\t // packet data is an object { base64: true, data: dataAsBase64String }\n\t var message = 'b' + exports.packets[packet.type] + packet.data.data;\n\t return callback(message);\n\t}\n\t\n\t/**\n\t * Encode packet helpers for binary types\n\t */\n\t\n\tfunction encodeArrayBuffer(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t var data = packet.data;\n\t var contentArray = new Uint8Array(data);\n\t var resultBuffer = new Uint8Array(1 + data.byteLength);\n\t\n\t resultBuffer[0] = packets[packet.type];\n\t for (var i = 0; i < contentArray.length; i++) {\n\t resultBuffer[i+1] = contentArray[i];\n\t }\n\t\n\t return callback(resultBuffer.buffer);\n\t}\n\t\n\tfunction encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t var fr = new FileReader();\n\t fr.onload = function() {\n\t packet.data = fr.result;\n\t exports.encodePacket(packet, supportsBinary, true, callback);\n\t };\n\t return fr.readAsArrayBuffer(packet.data);\n\t}\n\t\n\tfunction encodeBlob(packet, supportsBinary, callback) {\n\t if (!supportsBinary) {\n\t return exports.encodeBase64Packet(packet, callback);\n\t }\n\t\n\t if (dontSendBlobs) {\n\t return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);\n\t }\n\t\n\t var length = new Uint8Array(1);\n\t length[0] = packets[packet.type];\n\t var blob = new Blob([length.buffer, packet.data]);\n\t\n\t return callback(blob);\n\t}\n\t\n\t/**\n\t * Encodes a packet with binary data in a base64 string\n\t *\n\t * @param {Object} packet, has `type` and `data`\n\t * @return {String} base64 encoded message\n\t */\n\t\n\texports.encodeBase64Packet = function(packet, callback) {\n\t var message = 'b' + exports.packets[packet.type];\n\t if (Blob && packet.data instanceof global.Blob) {\n\t var fr = new FileReader();\n\t fr.onload = function() {\n\t var b64 = fr.result.split(',')[1];\n\t callback(message + b64);\n\t };\n\t return fr.readAsDataURL(packet.data);\n\t }\n\t\n\t var b64data;\n\t try {\n\t b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));\n\t } catch (e) {\n\t // iPhone Safari doesn't let you apply with typed arrays\n\t var typed = new Uint8Array(packet.data);\n\t var basic = new Array(typed.length);\n\t for (var i = 0; i < typed.length; i++) {\n\t basic[i] = typed[i];\n\t }\n\t b64data = String.fromCharCode.apply(null, basic);\n\t }\n\t message += global.btoa(b64data);\n\t return callback(message);\n\t};\n\t\n\t/**\n\t * Decodes a packet. Changes format to Blob if requested.\n\t *\n\t * @return {Object} with `type` and `data` (if any)\n\t * @api private\n\t */\n\t\n\texports.decodePacket = function (data, binaryType, utf8decode) {\n\t if (data === undefined) {\n\t return err;\n\t }\n\t // String data\n\t if (typeof data === 'string') {\n\t if (data.charAt(0) === 'b') {\n\t return exports.decodeBase64Packet(data.substr(1), binaryType);\n\t }\n\t\n\t if (utf8decode) {\n\t data = tryDecode(data);\n\t if (data === false) {\n\t return err;\n\t }\n\t }\n\t var type = data.charAt(0);\n\t\n\t if (Number(type) != type || !packetslist[type]) {\n\t return err;\n\t }\n\t\n\t if (data.length > 1) {\n\t return { type: packetslist[type], data: data.substring(1) };\n\t } else {\n\t return { type: packetslist[type] };\n\t }\n\t }\n\t\n\t var asArray = new Uint8Array(data);\n\t var type = asArray[0];\n\t var rest = sliceBuffer(data, 1);\n\t if (Blob && binaryType === 'blob') {\n\t rest = new Blob([rest]);\n\t }\n\t return { type: packetslist[type], data: rest };\n\t};\n\t\n\tfunction tryDecode(data) {\n\t try {\n\t data = utf8.decode(data, { strict: false });\n\t } catch (e) {\n\t return false;\n\t }\n\t return data;\n\t}\n\t\n\t/**\n\t * Decodes a packet encoded in a base64 string\n\t *\n\t * @param {String} base64 encoded message\n\t * @return {Object} with `type` and `data` (if any)\n\t */\n\t\n\texports.decodeBase64Packet = function(msg, binaryType) {\n\t var type = packetslist[msg.charAt(0)];\n\t if (!base64encoder) {\n\t return { type: type, data: { base64: true, data: msg.substr(1) } };\n\t }\n\t\n\t var data = base64encoder.decode(msg.substr(1));\n\t\n\t if (binaryType === 'blob' && Blob) {\n\t data = new Blob([data]);\n\t }\n\t\n\t return { type: type, data: data };\n\t};\n\t\n\t/**\n\t * Encodes multiple messages (payload).\n\t *\n\t * <length>:data\n\t *\n\t * Example:\n\t *\n\t * 11:hello world2:hi\n\t *\n\t * If any contents are binary, they will be encoded as base64 strings. Base64\n\t * encoded strings are marked with a b before the length specifier\n\t *\n\t * @param {Array} packets\n\t * @api private\n\t */\n\t\n\texports.encodePayload = function (packets, supportsBinary, callback) {\n\t if (typeof supportsBinary === 'function') {\n\t callback = supportsBinary;\n\t supportsBinary = null;\n\t }\n\t\n\t var isBinary = hasBinary(packets);\n\t\n\t if (supportsBinary && isBinary) {\n\t if (Blob && !dontSendBlobs) {\n\t return exports.encodePayloadAsBlob(packets, callback);\n\t }\n\t\n\t return exports.encodePayloadAsArrayBuffer(packets, callback);\n\t }\n\t\n\t if (!packets.length) {\n\t return callback('0:');\n\t }\n\t\n\t function setLengthHeader(message) {\n\t return message.length + ':' + message;\n\t }\n\t\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {\n\t doneCallback(null, setLengthHeader(message));\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, results) {\n\t return callback(results.join(''));\n\t });\n\t};\n\t\n\t/**\n\t * Async array map using after\n\t */\n\t\n\tfunction map(ary, each, done) {\n\t var result = new Array(ary.length);\n\t var next = after(ary.length, done);\n\t\n\t var eachWithIndex = function(i, el, cb) {\n\t each(el, function(error, msg) {\n\t result[i] = msg;\n\t cb(error, result);\n\t });\n\t };\n\t\n\t for (var i = 0; i < ary.length; i++) {\n\t eachWithIndex(i, ary[i], next);\n\t }\n\t}\n\t\n\t/*\n\t * Decodes data when a payload is maybe expected. Possible binary contents are\n\t * decoded from their base64 representation\n\t *\n\t * @param {String} data, callback method\n\t * @api public\n\t */\n\t\n\texports.decodePayload = function (data, binaryType, callback) {\n\t if (typeof data !== 'string') {\n\t return exports.decodePayloadAsBinary(data, binaryType, callback);\n\t }\n\t\n\t if (typeof binaryType === 'function') {\n\t callback = binaryType;\n\t binaryType = null;\n\t }\n\t\n\t var packet;\n\t if (data === '') {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t var length = '', n, msg;\n\t\n\t for (var i = 0, l = data.length; i < l; i++) {\n\t var chr = data.charAt(i);\n\t\n\t if (chr !== ':') {\n\t length += chr;\n\t continue;\n\t }\n\t\n\t if (length === '' || (length != (n = Number(length)))) {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t msg = data.substr(i + 1, n);\n\t\n\t if (length != msg.length) {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t if (msg.length) {\n\t packet = exports.decodePacket(msg, binaryType, false);\n\t\n\t if (err.type === packet.type && err.data === packet.data) {\n\t // parser error in individual packet - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t var ret = callback(packet, i + n, l);\n\t if (false === ret) return;\n\t }\n\t\n\t // advance cursor\n\t i += n;\n\t length = '';\n\t }\n\t\n\t if (length !== '') {\n\t // parser error - ignoring payload\n\t return callback(err, 0, 1);\n\t }\n\t\n\t};\n\t\n\t/**\n\t * Encodes multiple messages (payload) as binary.\n\t *\n\t * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number\n\t * 255><data>\n\t *\n\t * Example:\n\t * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers\n\t *\n\t * @param {Array} packets\n\t * @return {ArrayBuffer} encoded payload\n\t * @api private\n\t */\n\t\n\texports.encodePayloadAsArrayBuffer = function(packets, callback) {\n\t if (!packets.length) {\n\t return callback(new ArrayBuffer(0));\n\t }\n\t\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, true, true, function(data) {\n\t return doneCallback(null, data);\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, encodedPackets) {\n\t var totalLength = encodedPackets.reduce(function(acc, p) {\n\t var len;\n\t if (typeof p === 'string'){\n\t len = p.length;\n\t } else {\n\t len = p.byteLength;\n\t }\n\t return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2\n\t }, 0);\n\t\n\t var resultArray = new Uint8Array(totalLength);\n\t\n\t var bufferIndex = 0;\n\t encodedPackets.forEach(function(p) {\n\t var isString = typeof p === 'string';\n\t var ab = p;\n\t if (isString) {\n\t var view = new Uint8Array(p.length);\n\t for (var i = 0; i < p.length; i++) {\n\t view[i] = p.charCodeAt(i);\n\t }\n\t ab = view.buffer;\n\t }\n\t\n\t if (isString) { // not true binary\n\t resultArray[bufferIndex++] = 0;\n\t } else { // true binary\n\t resultArray[bufferIndex++] = 1;\n\t }\n\t\n\t var lenStr = ab.byteLength.toString();\n\t for (var i = 0; i < lenStr.length; i++) {\n\t resultArray[bufferIndex++] = parseInt(lenStr[i]);\n\t }\n\t resultArray[bufferIndex++] = 255;\n\t\n\t var view = new Uint8Array(ab);\n\t for (var i = 0; i < view.length; i++) {\n\t resultArray[bufferIndex++] = view[i];\n\t }\n\t });\n\t\n\t return callback(resultArray.buffer);\n\t });\n\t};\n\t\n\t/**\n\t * Encode as Blob\n\t */\n\t\n\texports.encodePayloadAsBlob = function(packets, callback) {\n\t function encodeOne(packet, doneCallback) {\n\t exports.encodePacket(packet, true, true, function(encoded) {\n\t var binaryIdentifier = new Uint8Array(1);\n\t binaryIdentifier[0] = 1;\n\t if (typeof encoded === 'string') {\n\t var view = new Uint8Array(encoded.length);\n\t for (var i = 0; i < encoded.length; i++) {\n\t view[i] = encoded.charCodeAt(i);\n\t }\n\t encoded = view.buffer;\n\t binaryIdentifier[0] = 0;\n\t }\n\t\n\t var len = (encoded instanceof ArrayBuffer)\n\t ? encoded.byteLength\n\t : encoded.size;\n\t\n\t var lenStr = len.toString();\n\t var lengthAry = new Uint8Array(lenStr.length + 1);\n\t for (var i = 0; i < lenStr.length; i++) {\n\t lengthAry[i] = parseInt(lenStr[i]);\n\t }\n\t lengthAry[lenStr.length] = 255;\n\t\n\t if (Blob) {\n\t var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);\n\t doneCallback(null, blob);\n\t }\n\t });\n\t }\n\t\n\t map(packets, encodeOne, function(err, results) {\n\t return callback(new Blob(results));\n\t });\n\t};\n\t\n\t/*\n\t * Decodes data when a payload is maybe expected. Strings are decoded by\n\t * interpreting each byte as a key code for entries marked to start with 0. See\n\t * description of encodePayloadAsBinary\n\t *\n\t * @param {ArrayBuffer} data, callback method\n\t * @api public\n\t */\n\t\n\texports.decodePayloadAsBinary = function (data, binaryType, callback) {\n\t if (typeof binaryType === 'function') {\n\t callback = binaryType;\n\t binaryType = null;\n\t }\n\t\n\t var bufferTail = data;\n\t var buffers = [];\n\t\n\t while (bufferTail.byteLength > 0) {\n\t var tailArray = new Uint8Array(bufferTail);\n\t var isString = tailArray[0] === 0;\n\t var msgLength = '';\n\t\n\t for (var i = 1; ; i++) {\n\t if (tailArray[i] === 255) break;\n\t\n\t // 310 = char length of Number.MAX_VALUE\n\t if (msgLength.length > 310) {\n\t return callback(err, 0, 1);\n\t }\n\t\n\t msgLength += tailArray[i];\n\t }\n\t\n\t bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);\n\t msgLength = parseInt(msgLength);\n\t\n\t var msg = sliceBuffer(bufferTail, 0, msgLength);\n\t if (isString) {\n\t try {\n\t msg = String.fromCharCode.apply(null, new Uint8Array(msg));\n\t } catch (e) {\n\t // iPhone Safari doesn't let you apply to typed arrays\n\t var typed = new Uint8Array(msg);\n\t msg = '';\n\t for (var i = 0; i < typed.length; i++) {\n\t msg += String.fromCharCode(typed[i]);\n\t }\n\t }\n\t }\n\t\n\t buffers.push(msg);\n\t bufferTail = sliceBuffer(bufferTail, msgLength);\n\t }\n\t\n\t var total = buffers.length;\n\t buffers.forEach(function(buffer, i) {\n\t callback(exports.decodePacket(buffer, binaryType, true), i, total);\n\t });\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Gets the keys for an object.\n\t *\n\t * @return {Array} keys\n\t * @api private\n\t */\n\t\n\tmodule.exports = Object.keys || function keys (obj){\n\t var arr = [];\n\t var has = Object.prototype.hasOwnProperty;\n\t\n\t for (var i in obj) {\n\t if (has.call(obj, i)) {\n\t arr.push(i);\n\t }\n\t }\n\t return arr;\n\t};\n\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * An abstraction for slicing an arraybuffer even when\n\t * ArrayBuffer.prototype.slice is not supported\n\t *\n\t * @api public\n\t */\n\t\n\tmodule.exports = function(arraybuffer, start, end) {\n\t var bytes = arraybuffer.byteLength;\n\t start = start || 0;\n\t end = end || bytes;\n\t\n\t if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\t\n\t if (start < 0) { start += bytes; }\n\t if (end < 0) { end += bytes; }\n\t if (end > bytes) { end = bytes; }\n\t\n\t if (start >= bytes || start >= end || bytes === 0) {\n\t return new ArrayBuffer(0);\n\t }\n\t\n\t var abv = new Uint8Array(arraybuffer);\n\t var result = new Uint8Array(end - start);\n\t for (var i = start, ii = 0; i < end; i++, ii++) {\n\t result[ii] = abv[i];\n\t }\n\t return result.buffer;\n\t};\n\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = after\n\t\n\tfunction after(count, callback, err_cb) {\n\t var bail = false\n\t err_cb = err_cb || noop\n\t proxy.count = count\n\t\n\t return (count === 0) ? callback() : proxy\n\t\n\t function proxy(err, result) {\n\t if (proxy.count <= 0) {\n\t throw new Error('after called too many times')\n\t }\n\t --proxy.count\n\t\n\t // after first error, rest are passed to err_cb\n\t if (err) {\n\t bail = true\n\t callback(err)\n\t // future error callbacks will go to error handler\n\t callback = err_cb\n\t } else if (proxy.count === 0 && !bail) {\n\t callback(null, result)\n\t }\n\t }\n\t}\n\t\n\tfunction noop() {}\n\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/*! https://mths.be/utf8js v2.1.2 by @mathias */\n\t;(function(root) {\n\t\n\t\t// Detect free variables `exports`\n\t\tvar freeExports = typeof exports == 'object' && exports;\n\t\n\t\t// Detect free variable `module`\n\t\tvar freeModule = typeof module == 'object' && module &&\n\t\t\tmodule.exports == freeExports && module;\n\t\n\t\t// Detect free variable `global`, from Node.js or Browserified code,\n\t\t// and use it as `root`\n\t\tvar freeGlobal = typeof global == 'object' && global;\n\t\tif (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {\n\t\t\troot = freeGlobal;\n\t\t}\n\t\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tvar stringFromCharCode = String.fromCharCode;\n\t\n\t\t// Taken from https://mths.be/punycode\n\t\tfunction ucs2decode(string) {\n\t\t\tvar output = [];\n\t\t\tvar counter = 0;\n\t\t\tvar length = string.length;\n\t\t\tvar value;\n\t\t\tvar extra;\n\t\t\twhile (counter < length) {\n\t\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\t\toutput.push(value);\n\t\t\t\t\t\tcounter--;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\toutput.push(value);\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn output;\n\t\t}\n\t\n\t\t// Taken from https://mths.be/punycode\n\t\tfunction ucs2encode(array) {\n\t\t\tvar length = array.length;\n\t\t\tvar index = -1;\n\t\t\tvar value;\n\t\t\tvar output = '';\n\t\t\twhile (++index < length) {\n\t\t\t\tvalue = array[index];\n\t\t\t\tif (value > 0xFFFF) {\n\t\t\t\t\tvalue -= 0x10000;\n\t\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t\t}\n\t\t\t\toutput += stringFromCharCode(value);\n\t\t\t}\n\t\t\treturn output;\n\t\t}\n\t\n\t\tfunction checkScalarValue(codePoint, strict) {\n\t\t\tif (codePoint >= 0xD800 && codePoint <= 0xDFFF) {\n\t\t\t\tif (strict) {\n\t\t\t\t\tthrow Error(\n\t\t\t\t\t\t'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +\n\t\t\t\t\t\t' is not a scalar value'\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tfunction createByte(codePoint, shift) {\n\t\t\treturn stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);\n\t\t}\n\t\n\t\tfunction encodeCodePoint(codePoint, strict) {\n\t\t\tif ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence\n\t\t\t\treturn stringFromCharCode(codePoint);\n\t\t\t}\n\t\t\tvar symbol = '';\n\t\t\tif ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence\n\t\t\t\tsymbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);\n\t\t\t}\n\t\t\telse if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence\n\t\t\t\tif (!checkScalarValue(codePoint, strict)) {\n\t\t\t\t\tcodePoint = 0xFFFD;\n\t\t\t\t}\n\t\t\t\tsymbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);\n\t\t\t\tsymbol += createByte(codePoint, 6);\n\t\t\t}\n\t\t\telse if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence\n\t\t\t\tsymbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);\n\t\t\t\tsymbol += createByte(codePoint, 12);\n\t\t\t\tsymbol += createByte(codePoint, 6);\n\t\t\t}\n\t\t\tsymbol += stringFromCharCode((codePoint & 0x3F) | 0x80);\n\t\t\treturn symbol;\n\t\t}\n\t\n\t\tfunction utf8encode(string, opts) {\n\t\t\topts = opts || {};\n\t\t\tvar strict = false !== opts.strict;\n\t\n\t\t\tvar codePoints = ucs2decode(string);\n\t\t\tvar length = codePoints.length;\n\t\t\tvar index = -1;\n\t\t\tvar codePoint;\n\t\t\tvar byteString = '';\n\t\t\twhile (++index < length) {\n\t\t\t\tcodePoint = codePoints[index];\n\t\t\t\tbyteString += encodeCodePoint(codePoint, strict);\n\t\t\t}\n\t\t\treturn byteString;\n\t\t}\n\t\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tfunction readContinuationByte() {\n\t\t\tif (byteIndex >= byteCount) {\n\t\t\t\tthrow Error('Invalid byte index');\n\t\t\t}\n\t\n\t\t\tvar continuationByte = byteArray[byteIndex] & 0xFF;\n\t\t\tbyteIndex++;\n\t\n\t\t\tif ((continuationByte & 0xC0) == 0x80) {\n\t\t\t\treturn continuationByte & 0x3F;\n\t\t\t}\n\t\n\t\t\t// If we end up here, it’s not a continuation byte\n\t\t\tthrow Error('Invalid continuation byte');\n\t\t}\n\t\n\t\tfunction decodeSymbol(strict) {\n\t\t\tvar byte1;\n\t\t\tvar byte2;\n\t\t\tvar byte3;\n\t\t\tvar byte4;\n\t\t\tvar codePoint;\n\t\n\t\t\tif (byteIndex > byteCount) {\n\t\t\t\tthrow Error('Invalid byte index');\n\t\t\t}\n\t\n\t\t\tif (byteIndex == byteCount) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\n\t\t\t// Read first byte\n\t\t\tbyte1 = byteArray[byteIndex] & 0xFF;\n\t\t\tbyteIndex++;\n\t\n\t\t\t// 1-byte sequence (no continuation bytes)\n\t\t\tif ((byte1 & 0x80) == 0) {\n\t\t\t\treturn byte1;\n\t\t\t}\n\t\n\t\t\t// 2-byte sequence\n\t\t\tif ((byte1 & 0xE0) == 0xC0) {\n\t\t\t\tbyte2 = readContinuationByte();\n\t\t\t\tcodePoint = ((byte1 & 0x1F) << 6) | byte2;\n\t\t\t\tif (codePoint >= 0x80) {\n\t\t\t\t\treturn codePoint;\n\t\t\t\t} else {\n\t\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t\t}\n\t\t\t}\n\t\n\t\t\t// 3-byte sequence (may include unpaired surrogates)\n\t\t\tif ((byte1 & 0xF0) == 0xE0) {\n\t\t\t\tbyte2 = readContinuationByte();\n\t\t\t\tbyte3 = readContinuationByte();\n\t\t\t\tcodePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;\n\t\t\t\tif (codePoint >= 0x0800) {\n\t\t\t\t\treturn checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;\n\t\t\t\t} else {\n\t\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t\t}\n\t\t\t}\n\t\n\t\t\t// 4-byte sequence\n\t\t\tif ((byte1 & 0xF8) == 0xF0) {\n\t\t\t\tbyte2 = readContinuationByte();\n\t\t\t\tbyte3 = readContinuationByte();\n\t\t\t\tbyte4 = readContinuationByte();\n\t\t\t\tcodePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |\n\t\t\t\t\t(byte3 << 0x06) | byte4;\n\t\t\t\tif (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {\n\t\t\t\t\treturn codePoint;\n\t\t\t\t}\n\t\t\t}\n\t\n\t\t\tthrow Error('Invalid UTF-8 detected');\n\t\t}\n\t\n\t\tvar byteArray;\n\t\tvar byteCount;\n\t\tvar byteIndex;\n\t\tfunction utf8decode(byteString, opts) {\n\t\t\topts = opts || {};\n\t\t\tvar strict = false !== opts.strict;\n\t\n\t\t\tbyteArray = ucs2decode(byteString);\n\t\t\tbyteCount = byteArray.length;\n\t\t\tbyteIndex = 0;\n\t\t\tvar codePoints = [];\n\t\t\tvar tmp;\n\t\t\twhile ((tmp = decodeSymbol(strict)) !== false) {\n\t\t\t\tcodePoints.push(tmp);\n\t\t\t}\n\t\t\treturn ucs2encode(codePoints);\n\t\t}\n\t\n\t\t/*--------------------------------------------------------------------------*/\n\t\n\t\tvar utf8 = {\n\t\t\t'version': '2.1.2',\n\t\t\t'encode': utf8encode,\n\t\t\t'decode': utf8decode\n\t\t};\n\t\n\t\t// Some AMD build optimizers, like r.js, check for specific condition patterns\n\t\t// like the following:\n\t\tif (\n\t\t\ttrue\n\t\t) {\n\t\t\t!(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t\t\t\treturn utf8;\n\t\t\t}.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t\t}\telse if (freeExports && !freeExports.nodeType) {\n\t\t\tif (freeModule) { // in Node.js or RingoJS v0.8.0+\n\t\t\t\tfreeModule.exports = utf8;\n\t\t\t} else { // in Narwhal or RingoJS v0.7.0-\n\t\t\t\tvar object = {};\n\t\t\t\tvar hasOwnProperty = object.hasOwnProperty;\n\t\t\t\tfor (var key in utf8) {\n\t\t\t\t\thasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);\n\t\t\t\t}\n\t\t\t}\n\t\t} else { // in Rhino or a web browser\n\t\t\troot.utf8 = utf8;\n\t\t}\n\t\n\t}(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(24)(module), (function() { return this; }())))\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(module) {\r\n\t\tif(!module.webpackPolyfill) {\r\n\t\t\tmodule.deprecate = function() {};\r\n\t\t\tmodule.paths = [];\r\n\t\t\t// module.parent = undefined by default\r\n\t\t\tmodule.children = [];\r\n\t\t\tmodule.webpackPolyfill = 1;\r\n\t\t}\r\n\t\treturn module;\r\n\t}\r\n\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports) {\n\n\t/*\n\t * base64-arraybuffer\n\t * https://github.com/niklasvh/base64-arraybuffer\n\t *\n\t * Copyright (c) 2012 Niklas von Hertzen\n\t * Licensed under the MIT license.\n\t */\n\t(function(){\n\t \"use strict\";\n\t\n\t var chars = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\t\n\t // Use a lookup table to find the index.\n\t var lookup = new Uint8Array(256);\n\t for (var i = 0; i < chars.length; i++) {\n\t lookup[chars.charCodeAt(i)] = i;\n\t }\n\t\n\t exports.encode = function(arraybuffer) {\n\t var bytes = new Uint8Array(arraybuffer),\n\t i, len = bytes.length, base64 = \"\";\n\t\n\t for (i = 0; i < len; i+=3) {\n\t base64 += chars[bytes[i] >> 2];\n\t base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n\t base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n\t base64 += chars[bytes[i + 2] & 63];\n\t }\n\t\n\t if ((len % 3) === 2) {\n\t base64 = base64.substring(0, base64.length - 1) + \"=\";\n\t } else if (len % 3 === 1) {\n\t base64 = base64.substring(0, base64.length - 2) + \"==\";\n\t }\n\t\n\t return base64;\n\t };\n\t\n\t exports.decode = function(base64) {\n\t var bufferLength = base64.length * 0.75,\n\t len = base64.length, i, p = 0,\n\t encoded1, encoded2, encoded3, encoded4;\n\t\n\t if (base64[base64.length - 1] === \"=\") {\n\t bufferLength--;\n\t if (base64[base64.length - 2] === \"=\") {\n\t bufferLength--;\n\t }\n\t }\n\t\n\t var arraybuffer = new ArrayBuffer(bufferLength),\n\t bytes = new Uint8Array(arraybuffer);\n\t\n\t for (i = 0; i < len; i+=4) {\n\t encoded1 = lookup[base64.charCodeAt(i)];\n\t encoded2 = lookup[base64.charCodeAt(i+1)];\n\t encoded3 = lookup[base64.charCodeAt(i+2)];\n\t encoded4 = lookup[base64.charCodeAt(i+3)];\n\t\n\t bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n\t bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n\t bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n\t }\n\t\n\t return arraybuffer;\n\t };\n\t})();\n\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Create a blob builder even when vendor prefixes exist\n\t */\n\t\n\tvar BlobBuilder = global.BlobBuilder\n\t || global.WebKitBlobBuilder\n\t || global.MSBlobBuilder\n\t || global.MozBlobBuilder;\n\t\n\t/**\n\t * Check if Blob constructor is supported\n\t */\n\t\n\tvar blobSupported = (function() {\n\t try {\n\t var a = new Blob(['hi']);\n\t return a.size === 2;\n\t } catch(e) {\n\t return false;\n\t }\n\t})();\n\t\n\t/**\n\t * Check if Blob constructor supports ArrayBufferViews\n\t * Fails in Safari 6, so we need to map to ArrayBuffers there.\n\t */\n\t\n\tvar blobSupportsArrayBufferView = blobSupported && (function() {\n\t try {\n\t var b = new Blob([new Uint8Array([1,2])]);\n\t return b.size === 2;\n\t } catch(e) {\n\t return false;\n\t }\n\t})();\n\t\n\t/**\n\t * Check if BlobBuilder is supported\n\t */\n\t\n\tvar blobBuilderSupported = BlobBuilder\n\t && BlobBuilder.prototype.append\n\t && BlobBuilder.prototype.getBlob;\n\t\n\t/**\n\t * Helper function that maps ArrayBufferViews to ArrayBuffers\n\t * Used by BlobBuilder constructor and old browsers that didn't\n\t * support it in the Blob constructor.\n\t */\n\t\n\tfunction mapArrayBufferViews(ary) {\n\t for (var i = 0; i < ary.length; i++) {\n\t var chunk = ary[i];\n\t if (chunk.buffer instanceof ArrayBuffer) {\n\t var buf = chunk.buffer;\n\t\n\t // if this is a subarray, make a copy so we only\n\t // include the subarray region from the underlying buffer\n\t if (chunk.byteLength !== buf.byteLength) {\n\t var copy = new Uint8Array(chunk.byteLength);\n\t copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\n\t buf = copy.buffer;\n\t }\n\t\n\t ary[i] = buf;\n\t }\n\t }\n\t}\n\t\n\tfunction BlobBuilderConstructor(ary, options) {\n\t options = options || {};\n\t\n\t var bb = new BlobBuilder();\n\t mapArrayBufferViews(ary);\n\t\n\t for (var i = 0; i < ary.length; i++) {\n\t bb.append(ary[i]);\n\t }\n\t\n\t return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\n\t};\n\t\n\tfunction BlobConstructor(ary, options) {\n\t mapArrayBufferViews(ary);\n\t return new Blob(ary, options || {});\n\t};\n\t\n\tmodule.exports = (function() {\n\t if (blobSupported) {\n\t return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;\n\t } else if (blobBuilderSupported) {\n\t return BlobBuilderConstructor;\n\t } else {\n\t return undefined;\n\t }\n\t})();\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports) {\n\n\t/**\r\n\t * Compiles a querystring\r\n\t * Returns string representation of the object\r\n\t *\r\n\t * @param {Object}\r\n\t * @api private\r\n\t */\r\n\t\r\n\texports.encode = function (obj) {\r\n\t var str = '';\r\n\t\r\n\t for (var i in obj) {\r\n\t if (obj.hasOwnProperty(i)) {\r\n\t if (str.length) str += '&';\r\n\t str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\r\n\t }\r\n\t }\r\n\t\r\n\t return str;\r\n\t};\r\n\t\r\n\t/**\r\n\t * Parses a simple querystring into an object\r\n\t *\r\n\t * @param {String} qs\r\n\t * @api private\r\n\t */\r\n\t\r\n\texports.decode = function(qs){\r\n\t var qry = {};\r\n\t var pairs = qs.split('&');\r\n\t for (var i = 0, l = pairs.length; i < l; i++) {\r\n\t var pair = pairs[i].split('=');\r\n\t qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\r\n\t }\r\n\t return qry;\r\n\t};\r\n\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports) {\n\n\t\n\tmodule.exports = function(a, b){\n\t var fn = function(){};\n\t fn.prototype = b.prototype;\n\t a.prototype = new fn;\n\t a.prototype.constructor = a;\n\t};\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports) {\n\n\t'use strict';\n\t\n\tvar alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')\n\t , length = 64\n\t , map = {}\n\t , seed = 0\n\t , i = 0\n\t , prev;\n\t\n\t/**\n\t * Return a string representing the specified number.\n\t *\n\t * @param {Number} num The number to convert.\n\t * @returns {String} The string representation of the number.\n\t * @api public\n\t */\n\tfunction encode(num) {\n\t var encoded = '';\n\t\n\t do {\n\t encoded = alphabet[num % length] + encoded;\n\t num = Math.floor(num / length);\n\t } while (num > 0);\n\t\n\t return encoded;\n\t}\n\t\n\t/**\n\t * Return the integer value specified by the given string.\n\t *\n\t * @param {String} str The string to convert.\n\t * @returns {Number} The integer value represented by the string.\n\t * @api public\n\t */\n\tfunction decode(str) {\n\t var decoded = 0;\n\t\n\t for (i = 0; i < str.length; i++) {\n\t decoded = decoded * length + map[str.charAt(i)];\n\t }\n\t\n\t return decoded;\n\t}\n\t\n\t/**\n\t * Yeast: A tiny growing id generator.\n\t *\n\t * @returns {String} A unique id.\n\t * @api public\n\t */\n\tfunction yeast() {\n\t var now = encode(+new Date());\n\t\n\t if (now !== prev) return seed = 0, prev = now;\n\t return now +'.'+ encode(seed++);\n\t}\n\t\n\t//\n\t// Map each character to its index.\n\t//\n\tfor (; i < length; i++) map[alphabet[i]] = i;\n\t\n\t//\n\t// Expose the `yeast`, `encode` and `decode` functions.\n\t//\n\tyeast.encode = encode;\n\tyeast.decode = decode;\n\tmodule.exports = yeast;\n\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {\n\t/**\n\t * Module requirements.\n\t */\n\t\n\tvar Polling = __webpack_require__(17);\n\tvar inherit = __webpack_require__(28);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = JSONPPolling;\n\t\n\t/**\n\t * Cached regular expressions.\n\t */\n\t\n\tvar rNewline = /\\n/g;\n\tvar rEscapedNewline = /\\\\n/g;\n\t\n\t/**\n\t * Global JSONP callbacks.\n\t */\n\t\n\tvar callbacks;\n\t\n\t/**\n\t * Noop.\n\t */\n\t\n\tfunction empty () { }\n\t\n\t/**\n\t * JSONP Polling constructor.\n\t *\n\t * @param {Object} opts.\n\t * @api public\n\t */\n\t\n\tfunction JSONPPolling (opts) {\n\t Polling.call(this, opts);\n\t\n\t this.query = this.query || {};\n\t\n\t // define global callbacks array if not present\n\t // we do this here (lazily) to avoid unneeded global pollution\n\t if (!callbacks) {\n\t // we need to consider multiple engines in the same page\n\t if (!global.___eio) global.___eio = [];\n\t callbacks = global.___eio;\n\t }\n\t\n\t // callback identifier\n\t this.index = callbacks.length;\n\t\n\t // add callback to jsonp global\n\t var self = this;\n\t callbacks.push(function (msg) {\n\t self.onData(msg);\n\t });\n\t\n\t // append to query string\n\t this.query.j = this.index;\n\t\n\t // prevent spurious errors from being emitted when the window is unloaded\n\t if (global.document && global.addEventListener) {\n\t global.addEventListener('beforeunload', function () {\n\t if (self.script) self.script.onerror = empty;\n\t }, false);\n\t }\n\t}\n\t\n\t/**\n\t * Inherits from Polling.\n\t */\n\t\n\tinherit(JSONPPolling, Polling);\n\t\n\t/*\n\t * JSONP only supports binary as base64 encoded strings\n\t */\n\t\n\tJSONPPolling.prototype.supportsBinary = false;\n\t\n\t/**\n\t * Closes the socket.\n\t *\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doClose = function () {\n\t if (this.script) {\n\t this.script.parentNode.removeChild(this.script);\n\t this.script = null;\n\t }\n\t\n\t if (this.form) {\n\t this.form.parentNode.removeChild(this.form);\n\t this.form = null;\n\t this.iframe = null;\n\t }\n\t\n\t Polling.prototype.doClose.call(this);\n\t};\n\t\n\t/**\n\t * Starts a poll cycle.\n\t *\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doPoll = function () {\n\t var self = this;\n\t var script = document.createElement('script');\n\t\n\t if (this.script) {\n\t this.script.parentNode.removeChild(this.script);\n\t this.script = null;\n\t }\n\t\n\t script.async = true;\n\t script.src = this.uri();\n\t script.onerror = function (e) {\n\t self.onError('jsonp poll error', e);\n\t };\n\t\n\t var insertAt = document.getElementsByTagName('script')[0];\n\t if (insertAt) {\n\t insertAt.parentNode.insertBefore(script, insertAt);\n\t } else {\n\t (document.head || document.body).appendChild(script);\n\t }\n\t this.script = script;\n\t\n\t var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\t\n\t if (isUAgecko) {\n\t setTimeout(function () {\n\t var iframe = document.createElement('iframe');\n\t document.body.appendChild(iframe);\n\t document.body.removeChild(iframe);\n\t }, 100);\n\t }\n\t};\n\t\n\t/**\n\t * Writes with a hidden iframe.\n\t *\n\t * @param {String} data to send\n\t * @param {Function} called upon flush.\n\t * @api private\n\t */\n\t\n\tJSONPPolling.prototype.doWrite = function (data, fn) {\n\t var self = this;\n\t\n\t if (!this.form) {\n\t var form = document.createElement('form');\n\t var area = document.createElement('textarea');\n\t var id = this.iframeId = 'eio_iframe_' + this.index;\n\t var iframe;\n\t\n\t form.className = 'socketio';\n\t form.style.position = 'absolute';\n\t form.style.top = '-1000px';\n\t form.style.left = '-1000px';\n\t form.target = id;\n\t form.method = 'POST';\n\t form.setAttribute('accept-charset', 'utf-8');\n\t area.name = 'd';\n\t form.appendChild(area);\n\t document.body.appendChild(form);\n\t\n\t this.form = form;\n\t this.area = area;\n\t }\n\t\n\t this.form.action = this.uri();\n\t\n\t function complete () {\n\t initIframe();\n\t fn();\n\t }\n\t\n\t function initIframe () {\n\t if (self.iframe) {\n\t try {\n\t self.form.removeChild(self.iframe);\n\t } catch (e) {\n\t self.onError('jsonp polling iframe removal error', e);\n\t }\n\t }\n\t\n\t try {\n\t // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n\t var html = '<iframe src=\"javascript:0\" name=\"' + self.iframeId + '\">';\n\t iframe = document.createElement(html);\n\t } catch (e) {\n\t iframe = document.createElement('iframe');\n\t iframe.name = self.iframeId;\n\t iframe.src = 'javascript:0';\n\t }\n\t\n\t iframe.id = self.iframeId;\n\t\n\t self.form.appendChild(iframe);\n\t self.iframe = iframe;\n\t }\n\t\n\t initIframe();\n\t\n\t // escape \\n to prevent it from being converted into \\r\\n by some UAs\n\t // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side\n\t data = data.replace(rEscapedNewline, '\\\\\\n');\n\t this.area.value = data.replace(rNewline, '\\\\n');\n\t\n\t try {\n\t this.form.submit();\n\t } catch (e) {}\n\t\n\t if (this.iframe.attachEvent) {\n\t this.iframe.onreadystatechange = function () {\n\t if (self.iframe.readyState === 'complete') {\n\t complete();\n\t }\n\t };\n\t } else {\n\t this.iframe.onload = complete;\n\t }\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t/* WEBPACK VAR INJECTION */(function(global) {/**\n\t * Module dependencies.\n\t */\n\t\n\tvar Transport = __webpack_require__(18);\n\tvar parser = __webpack_require__(19);\n\tvar parseqs = __webpack_require__(27);\n\tvar inherit = __webpack_require__(28);\n\tvar yeast = __webpack_require__(29);\n\tvar debug = __webpack_require__(3)('engine.io-client:websocket');\n\tvar BrowserWebSocket = global.WebSocket || global.MozWebSocket;\n\tvar NodeWebSocket;\n\tif (typeof window === 'undefined') {\n\t try {\n\t NodeWebSocket = __webpack_require__(32);\n\t } catch (e) { }\n\t}\n\t\n\t/**\n\t * Get either the `WebSocket` or `MozWebSocket` globals\n\t * in the browser or try to resolve WebSocket-compatible\n\t * interface exposed by `ws` for Node-like environment.\n\t */\n\t\n\tvar WebSocket = BrowserWebSocket;\n\tif (!WebSocket && typeof window === 'undefined') {\n\t WebSocket = NodeWebSocket;\n\t}\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = WS;\n\t\n\t/**\n\t * WebSocket transport constructor.\n\t *\n\t * @api {Object} connection options\n\t * @api public\n\t */\n\t\n\tfunction WS (opts) {\n\t var forceBase64 = (opts && opts.forceBase64);\n\t if (forceBase64) {\n\t this.supportsBinary = false;\n\t }\n\t this.perMessageDeflate = opts.perMessageDeflate;\n\t this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;\n\t this.protocols = opts.protocols;\n\t if (!this.usingBrowserWebSocket) {\n\t WebSocket = NodeWebSocket;\n\t }\n\t Transport.call(this, opts);\n\t}\n\t\n\t/**\n\t * Inherits from Transport.\n\t */\n\t\n\tinherit(WS, Transport);\n\t\n\t/**\n\t * Transport name.\n\t *\n\t * @api public\n\t */\n\t\n\tWS.prototype.name = 'websocket';\n\t\n\t/*\n\t * WebSockets support binary\n\t */\n\t\n\tWS.prototype.supportsBinary = true;\n\t\n\t/**\n\t * Opens socket.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.doOpen = function () {\n\t if (!this.check()) {\n\t // let probe timeout\n\t return;\n\t }\n\t\n\t var uri = this.uri();\n\t var protocols = this.protocols;\n\t var opts = {\n\t agent: this.agent,\n\t perMessageDeflate: this.perMessageDeflate\n\t };\n\t\n\t // SSL options for Node.js client\n\t opts.pfx = this.pfx;\n\t opts.key = this.key;\n\t opts.passphrase = this.passphrase;\n\t opts.cert = this.cert;\n\t opts.ca = this.ca;\n\t opts.ciphers = this.ciphers;\n\t opts.rejectUnauthorized = this.rejectUnauthorized;\n\t if (this.extraHeaders) {\n\t opts.headers = this.extraHeaders;\n\t }\n\t if (this.localAddress) {\n\t opts.localAddress = this.localAddress;\n\t }\n\t\n\t try {\n\t this.ws = this.usingBrowserWebSocket ? (protocols ? new WebSocket(uri, protocols) : new WebSocket(uri)) : new WebSocket(uri, protocols, opts);\n\t } catch (err) {\n\t return this.emit('error', err);\n\t }\n\t\n\t if (this.ws.binaryType === undefined) {\n\t this.supportsBinary = false;\n\t }\n\t\n\t if (this.ws.supports && this.ws.supports.binary) {\n\t this.supportsBinary = true;\n\t this.ws.binaryType = 'nodebuffer';\n\t } else {\n\t this.ws.binaryType = 'arraybuffer';\n\t }\n\t\n\t this.addEventListeners();\n\t};\n\t\n\t/**\n\t * Adds event listeners to the socket\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.addEventListeners = function () {\n\t var self = this;\n\t\n\t this.ws.onopen = function () {\n\t self.onOpen();\n\t };\n\t this.ws.onclose = function () {\n\t self.onClose();\n\t };\n\t this.ws.onmessage = function (ev) {\n\t self.onData(ev.data);\n\t };\n\t this.ws.onerror = function (e) {\n\t self.onError('websocket error', e);\n\t };\n\t};\n\t\n\t/**\n\t * Writes data to socket.\n\t *\n\t * @param {Array} array of packets.\n\t * @api private\n\t */\n\t\n\tWS.prototype.write = function (packets) {\n\t var self = this;\n\t this.writable = false;\n\t\n\t // encodePacket efficient as it uses WS framing\n\t // no need for encodePayload\n\t var total = packets.length;\n\t for (var i = 0, l = total; i < l; i++) {\n\t (function (packet) {\n\t parser.encodePacket(packet, self.supportsBinary, function (data) {\n\t if (!self.usingBrowserWebSocket) {\n\t // always create a new object (GH-437)\n\t var opts = {};\n\t if (packet.options) {\n\t opts.compress = packet.options.compress;\n\t }\n\t\n\t if (self.perMessageDeflate) {\n\t var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;\n\t if (len < self.perMessageDeflate.threshold) {\n\t opts.compress = false;\n\t }\n\t }\n\t }\n\t\n\t // Sometimes the websocket has already been closed but the browser didn't\n\t // have a chance of informing us about it yet, in that case send will\n\t // throw an error\n\t try {\n\t if (self.usingBrowserWebSocket) {\n\t // TypeError is thrown when passing the second argument on Safari\n\t self.ws.send(data);\n\t } else {\n\t self.ws.send(data, opts);\n\t }\n\t } catch (e) {\n\t\n\t }\n\t\n\t --total || done();\n\t });\n\t })(packets[i]);\n\t }\n\t\n\t function done () {\n\t self.emit('flush');\n\t\n\t // fake drain\n\t // defer to next tick to allow Socket to clear writeBuffer\n\t setTimeout(function () {\n\t self.writable = true;\n\t self.emit('drain');\n\t }, 0);\n\t }\n\t};\n\t\n\t/**\n\t * Called upon close\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.onClose = function () {\n\t Transport.prototype.onClose.call(this);\n\t};\n\t\n\t/**\n\t * Closes socket.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.doClose = function () {\n\t if (typeof this.ws !== 'undefined') {\n\t this.ws.close();\n\t }\n\t};\n\t\n\t/**\n\t * Generates uri for connection.\n\t *\n\t * @api private\n\t */\n\t\n\tWS.prototype.uri = function () {\n\t var query = this.query || {};\n\t var schema = this.secure ? 'wss' : 'ws';\n\t var port = '';\n\t\n\t // avoid port if default for schema\n\t if (this.port && (('wss' === schema && Number(this.port) !== 443) ||\n\t ('ws' === schema && Number(this.port) !== 80))) {\n\t port = ':' + this.port;\n\t }\n\t\n\t // append timestamp to URI\n\t if (this.timestampRequests) {\n\t query[this.timestampParam] = yeast();\n\t }\n\t\n\t // communicate binary support capabilities\n\t if (!this.supportsBinary) {\n\t query.b64 = 1;\n\t }\n\t\n\t query = parseqs.encode(query);\n\t\n\t // prepend ? to query\n\t if (query.length) {\n\t query = '?' + query;\n\t }\n\t\n\t var ipv6 = this.hostname.indexOf(':') !== -1;\n\t return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n\t};\n\t\n\t/**\n\t * Feature detection for WebSocket.\n\t *\n\t * @return {Boolean} whether this transport is available.\n\t * @api public\n\t */\n\t\n\tWS.prototype.check = function () {\n\t return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);\n\t};\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports) {\n\n\t/* (ignored) */\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports) {\n\n\t\n\tvar indexOf = [].indexOf;\n\t\n\tmodule.exports = function(arr, obj){\n\t if (indexOf) return arr.indexOf(obj);\n\t for (var i = 0; i < arr.length; ++i) {\n\t if (arr[i] === obj) return i;\n\t }\n\t return -1;\n\t};\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * Module dependencies.\n\t */\n\t\n\tvar parser = __webpack_require__(4);\n\tvar Emitter = __webpack_require__(5);\n\tvar toArray = __webpack_require__(35);\n\tvar on = __webpack_require__(36);\n\tvar bind = __webpack_require__(37);\n\tvar debug = __webpack_require__(3)('socket.io-client:socket');\n\tvar parseqs = __webpack_require__(27);\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = exports = Socket;\n\t\n\t/**\n\t * Internal events (blacklisted).\n\t * These events can't be emitted by the user.\n\t *\n\t * @api private\n\t */\n\t\n\tvar events = {\n\t connect: 1,\n\t connect_error: 1,\n\t connect_timeout: 1,\n\t connecting: 1,\n\t disconnect: 1,\n\t error: 1,\n\t reconnect: 1,\n\t reconnect_attempt: 1,\n\t reconnect_failed: 1,\n\t reconnect_error: 1,\n\t reconnecting: 1,\n\t ping: 1,\n\t pong: 1\n\t};\n\t\n\t/**\n\t * Shortcut to `Emitter#emit`.\n\t */\n\t\n\tvar emit = Emitter.prototype.emit;\n\t\n\t/**\n\t * `Socket` constructor.\n\t *\n\t * @api public\n\t */\n\t\n\tfunction Socket(io, nsp, opts) {\n\t this.io = io;\n\t this.nsp = nsp;\n\t this.json = this; // compat\n\t this.ids = 0;\n\t this.acks = {};\n\t this.receiveBuffer = [];\n\t this.sendBuffer = [];\n\t this.connected = false;\n\t this.disconnected = true;\n\t if (opts && opts.query) {\n\t this.query = opts.query;\n\t }\n\t if (this.io.autoConnect) this.open();\n\t}\n\t\n\t/**\n\t * Mix in `Emitter`.\n\t */\n\t\n\tEmitter(Socket.prototype);\n\t\n\t/**\n\t * Subscribe to open, close and packet events\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.subEvents = function () {\n\t if (this.subs) return;\n\t\n\t var io = this.io;\n\t this.subs = [on(io, 'open', bind(this, 'onopen')), on(io, 'packet', bind(this, 'onpacket')), on(io, 'close', bind(this, 'onclose'))];\n\t};\n\t\n\t/**\n\t * \"Opens\" the socket.\n\t *\n\t * @api public\n\t */\n\t\n\tSocket.prototype.open = Socket.prototype.connect = function () {\n\t if (this.connected) return this;\n\t\n\t this.subEvents();\n\t this.io.open(); // ensure open\n\t if ('open' === this.io.readyState) this.onopen();\n\t this.emit('connecting');\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a `message` event.\n\t *\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.send = function () {\n\t var args = toArray(arguments);\n\t args.unshift('message');\n\t this.emit.apply(this, args);\n\t return this;\n\t};\n\t\n\t/**\n\t * Override `emit`.\n\t * If the event is in `events`, it's emitted normally.\n\t *\n\t * @param {String} event name\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.emit = function (ev) {\n\t if (events.hasOwnProperty(ev)) {\n\t emit.apply(this, arguments);\n\t return this;\n\t }\n\t\n\t var args = toArray(arguments);\n\t var packet = { type: parser.EVENT, data: args };\n\t\n\t packet.options = {};\n\t packet.options.compress = !this.flags || false !== this.flags.compress;\n\t\n\t // event ack callback\n\t if ('function' === typeof args[args.length - 1]) {\n\t\n\t this.acks[this.ids] = args.pop();\n\t packet.id = this.ids++;\n\t }\n\t\n\t if (this.connected) {\n\t this.packet(packet);\n\t } else {\n\t this.sendBuffer.push(packet);\n\t }\n\t\n\t delete this.flags;\n\t\n\t return this;\n\t};\n\t\n\t/**\n\t * Sends a packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.packet = function (packet) {\n\t packet.nsp = this.nsp;\n\t this.io.packet(packet);\n\t};\n\t\n\t/**\n\t * Called upon engine `open`.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onopen = function () {\n\t\n\t // write connect packet if necessary\n\t if ('/' !== this.nsp) {\n\t if (this.query) {\n\t var query = _typeof(this.query) === 'object' ? parseqs.encode(this.query) : this.query;\n\t\n\t this.packet({ type: parser.CONNECT, query: query });\n\t } else {\n\t this.packet({ type: parser.CONNECT });\n\t }\n\t }\n\t};\n\t\n\t/**\n\t * Called upon engine `close`.\n\t *\n\t * @param {String} reason\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onclose = function (reason) {\n\t\n\t this.connected = false;\n\t this.disconnected = true;\n\t delete this.id;\n\t this.emit('disconnect', reason);\n\t};\n\t\n\t/**\n\t * Called with socket packet.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onpacket = function (packet) {\n\t if (packet.nsp !== this.nsp) return;\n\t\n\t switch (packet.type) {\n\t case parser.CONNECT:\n\t this.onconnect();\n\t break;\n\t\n\t case parser.EVENT:\n\t this.onevent(packet);\n\t break;\n\t\n\t case parser.BINARY_EVENT:\n\t this.onevent(packet);\n\t break;\n\t\n\t case parser.ACK:\n\t this.onack(packet);\n\t break;\n\t\n\t case parser.BINARY_ACK:\n\t this.onack(packet);\n\t break;\n\t\n\t case parser.DISCONNECT:\n\t this.ondisconnect();\n\t break;\n\t\n\t case parser.ERROR:\n\t this.emit('error', packet.data);\n\t break;\n\t }\n\t};\n\t\n\t/**\n\t * Called upon a server event.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onevent = function (packet) {\n\t var args = packet.data || [];\n\t\n\t if (null != packet.id) {\n\t\n\t args.push(this.ack(packet.id));\n\t }\n\t\n\t if (this.connected) {\n\t emit.apply(this, args);\n\t } else {\n\t this.receiveBuffer.push(args);\n\t }\n\t};\n\t\n\t/**\n\t * Produces an ack callback to emit with an event.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.ack = function (id) {\n\t var self = this;\n\t var sent = false;\n\t return function () {\n\t // prevent double callbacks\n\t if (sent) return;\n\t sent = true;\n\t var args = toArray(arguments);\n\t\n\t self.packet({\n\t type: parser.ACK,\n\t id: id,\n\t data: args\n\t });\n\t };\n\t};\n\t\n\t/**\n\t * Called upon a server acknowlegement.\n\t *\n\t * @param {Object} packet\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onack = function (packet) {\n\t var ack = this.acks[packet.id];\n\t if ('function' === typeof ack) {\n\t\n\t ack.apply(this, packet.data);\n\t delete this.acks[packet.id];\n\t } else {}\n\t};\n\t\n\t/**\n\t * Called upon server connect.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.onconnect = function () {\n\t this.connected = true;\n\t this.disconnected = false;\n\t this.emit('connect');\n\t this.emitBuffered();\n\t};\n\t\n\t/**\n\t * Emit buffered events (received and emitted).\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.emitBuffered = function () {\n\t var i;\n\t for (i = 0; i < this.receiveBuffer.length; i++) {\n\t emit.apply(this, this.receiveBuffer[i]);\n\t }\n\t this.receiveBuffer = [];\n\t\n\t for (i = 0; i < this.sendBuffer.length; i++) {\n\t this.packet(this.sendBuffer[i]);\n\t }\n\t this.sendBuffer = [];\n\t};\n\t\n\t/**\n\t * Called upon server disconnect.\n\t *\n\t * @api private\n\t */\n\t\n\tSocket.prototype.ondisconnect = function () {\n\t\n\t this.destroy();\n\t this.onclose('io server disconnect');\n\t};\n\t\n\t/**\n\t * Called upon forced client/server side disconnections,\n\t * this method ensures the manager stops tracking us and\n\t * that reconnections don't get triggered for this.\n\t *\n\t * @api private.\n\t */\n\t\n\tSocket.prototype.destroy = function () {\n\t if (this.subs) {\n\t // clean subscriptions to avoid reconnections\n\t for (var i = 0; i < this.subs.length; i++) {\n\t this.subs[i].destroy();\n\t }\n\t this.subs = null;\n\t }\n\t\n\t this.io.destroy(this);\n\t};\n\t\n\t/**\n\t * Disconnects the socket manually.\n\t *\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.close = Socket.prototype.disconnect = function () {\n\t if (this.connected) {\n\t\n\t this.packet({ type: parser.DISCONNECT });\n\t }\n\t\n\t // remove socket from pool\n\t this.destroy();\n\t\n\t if (this.connected) {\n\t // fire events\n\t this.onclose('io client disconnect');\n\t }\n\t return this;\n\t};\n\t\n\t/**\n\t * Sets the compress flag.\n\t *\n\t * @param {Boolean} if `true`, compresses the sending data\n\t * @return {Socket} self\n\t * @api public\n\t */\n\t\n\tSocket.prototype.compress = function (compress) {\n\t this.flags = this.flags || {};\n\t this.flags.compress = compress;\n\t return this;\n\t};\n\n/***/ }),\n/* 35 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = toArray\n\t\n\tfunction toArray(list, index) {\n\t var array = []\n\t\n\t index = index || 0\n\t\n\t for (var i = index || 0; i < list.length; i++) {\n\t array[i - index] = list[i]\n\t }\n\t\n\t return array\n\t}\n\n\n/***/ }),\n/* 36 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\t/**\n\t * Module exports.\n\t */\n\t\n\tmodule.exports = on;\n\t\n\t/**\n\t * Helper for subscriptions.\n\t *\n\t * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`\n\t * @param {String} event name\n\t * @param {Function} callback\n\t * @api public\n\t */\n\t\n\tfunction on(obj, ev, fn) {\n\t obj.on(ev, fn);\n\t return {\n\t destroy: function destroy() {\n\t obj.removeListener(ev, fn);\n\t }\n\t };\n\t}\n\n/***/ }),\n/* 37 */\n/***/ (function(module, exports) {\n\n\t/**\n\t * Slice reference.\n\t */\n\t\n\tvar slice = [].slice;\n\t\n\t/**\n\t * Bind `obj` to `fn`.\n\t *\n\t * @param {Object} obj\n\t * @param {Function|String} fn or string\n\t * @return {Function}\n\t * @api public\n\t */\n\t\n\tmodule.exports = function(obj, fn){\n\t if ('string' == typeof fn) fn = obj[fn];\n\t if ('function' != typeof fn) throw new Error('bind() requires a function');\n\t var args = slice.call(arguments, 2);\n\t return function(){\n\t return fn.apply(obj, args.concat(slice.call(arguments)));\n\t }\n\t};\n\n\n/***/ }),\n/* 38 */\n/***/ (function(module, exports) {\n\n\t\n\t/**\n\t * Expose `Backoff`.\n\t */\n\t\n\tmodule.exports = Backoff;\n\t\n\t/**\n\t * Initialize backoff timer with `opts`.\n\t *\n\t * - `min` initial timeout in milliseconds [100]\n\t * - `max` max timeout [10000]\n\t * - `jitter` [0]\n\t * - `factor` [2]\n\t *\n\t * @param {Object} opts\n\t * @api public\n\t */\n\t\n\tfunction Backoff(opts) {\n\t opts = opts || {};\n\t this.ms = opts.min || 100;\n\t this.max = opts.max || 10000;\n\t this.factor = opts.factor || 2;\n\t this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n\t this.attempts = 0;\n\t}\n\t\n\t/**\n\t * Return the backoff duration.\n\t *\n\t * @return {Number}\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.duration = function(){\n\t var ms = this.ms * Math.pow(this.factor, this.attempts++);\n\t if (this.jitter) {\n\t var rand = Math.random();\n\t var deviation = Math.floor(rand * this.jitter * ms);\n\t ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n\t }\n\t return Math.min(ms, this.max) | 0;\n\t};\n\t\n\t/**\n\t * Reset the number of attempts.\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.reset = function(){\n\t this.attempts = 0;\n\t};\n\t\n\t/**\n\t * Set the minimum duration\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setMin = function(min){\n\t this.ms = min;\n\t};\n\t\n\t/**\n\t * Set the maximum duration\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setMax = function(max){\n\t this.max = max;\n\t};\n\t\n\t/**\n\t * Set the jitter\n\t *\n\t * @api public\n\t */\n\t\n\tBackoff.prototype.setJitter = function(jitter){\n\t this.jitter = jitter;\n\t};\n\t\n\n\n/***/ })\n/******/ ])\n});\n;\n\n\n// WEBPACK FOOTER //\n// socket.io.slim.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 04c78033fc1d03a64fc2","\n/**\n * Module dependencies.\n */\n\nvar url = require('./url');\nvar parser = require('socket.io-parser');\nvar Manager = require('./manager');\nvar debug = require('debug')('socket.io-client');\n\n/**\n * Module exports.\n */\n\nmodule.exports = exports = lookup;\n\n/**\n * Managers cache.\n */\n\nvar cache = exports.managers = {};\n\n/**\n * Looks up an existing `Manager` for multiplexing.\n * If the user summons:\n *\n * `io('http://localhost/a');`\n * `io('http://localhost/b');`\n *\n * We reuse the existing instance based on same scheme/port/host,\n * and we initialize sockets for each namespace.\n *\n * @api public\n */\n\nfunction lookup (uri, opts) {\n if (typeof uri === 'object') {\n opts = uri;\n uri = undefined;\n }\n\n opts = opts || {};\n\n var parsed = url(uri);\n var source = parsed.source;\n var id = parsed.id;\n var path = parsed.path;\n var sameNamespace = cache[id] && path in cache[id].nsps;\n var newConnection = opts.forceNew || opts['force new connection'] ||\n false === opts.multiplex || sameNamespace;\n\n var io;\n\n if (newConnection) {\n\n io = Manager(source, opts);\n } else {\n if (!cache[id]) {\n\n cache[id] = Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.query;\n }\n return io.socket(parsed.path, opts);\n}\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nexports.protocol = parser.protocol;\n\n/**\n * `connect`.\n *\n * @param {String} uri\n * @api public\n */\n\nexports.connect = lookup;\n\n/**\n * Expose constructors for standalone build.\n *\n * @api public\n */\n\nexports.Manager = require('./manager');\nexports.Socket = require('./socket');\n\n\n\n// WEBPACK FOOTER //\n// ./lib/index.js","\n/**\n * Module dependencies.\n */\n\nvar parseuri = require('parseuri');\nvar debug = require('debug')('socket.io-client:url');\n\n/**\n * Module exports.\n */\n\nmodule.exports = url;\n\n/**\n * URL parser.\n *\n * @param {String} url\n * @param {Object} An object meant to mimic window.location.\n * Defaults to window.location.\n * @api public\n */\n\nfunction url (uri, loc) {\n var obj = uri;\n\n // default to window.location\n loc = loc || global.location;\n if (null == uri) uri = loc.protocol + '//' + loc.host;\n\n // relative path support\n if ('string' === typeof uri) {\n if ('/' === uri.charAt(0)) {\n if ('/' === uri.charAt(1)) {\n uri = loc.protocol + uri;\n } else {\n uri = loc.host + uri;\n }\n }\n\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n\n if ('undefined' !== typeof loc) {\n uri = loc.protocol + '//' + uri;\n } else {\n uri = 'https://' + uri;\n }\n }\n\n // parse\n\n obj = parseuri(uri);\n }\n\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = '80';\n } else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = '443';\n }\n }\n\n obj.path = obj.path || '/';\n\n var ipv6 = obj.host.indexOf(':') !== -1;\n var host = ipv6 ? '[' + obj.host + ']' : obj.host;\n\n // define unique id\n obj.id = obj.protocol + '://' + host + ':' + obj.port;\n // define href\n obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : (':' + obj.port));\n\n return obj;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./lib/url.js","/**\r\n * Parses an URI\r\n *\r\n * @author Steven Levithan <stevenlevithan.com> (MIT license)\r\n * @api private\r\n */\r\n\r\nvar re = /^(?:(?![^:@]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\r\n\r\nvar parts = [\r\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\r\n];\r\n\r\nmodule.exports = function parseuri(str) {\r\n var src = str,\r\n b = str.indexOf('['),\r\n e = str.indexOf(']');\r\n\r\n if (b != -1 && e != -1) {\r\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\r\n }\r\n\r\n var m = re.exec(str || ''),\r\n uri = {},\r\n i = 14;\r\n\r\n while (i--) {\r\n uri[parts[i]] = m[i] || '';\r\n }\r\n\r\n if (b != -1 && e != -1) {\r\n uri.source = src;\r\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\r\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\r\n uri.ipv6uri = true;\r\n }\r\n\r\n return uri;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/parseuri/index.js\n// module id = 2\n// module chunks = 0","\nmodule.exports = function () { return function () {}; };\n\n\n\n// WEBPACK FOOTER //\n// ./support/noop.js","\n/**\n * Module dependencies.\n */\n\nvar debug = require('debug')('socket.io-parser');\nvar Emitter = require('component-emitter');\nvar hasBin = require('has-binary2');\nvar binary = require('./binary');\nvar isBuf = require('./is-buffer');\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nexports.protocol = 4;\n\n/**\n * Packet types.\n *\n * @api public\n */\n\nexports.types = [\n 'CONNECT',\n 'DISCONNECT',\n 'EVENT',\n 'ACK',\n 'ERROR',\n 'BINARY_EVENT',\n 'BINARY_ACK'\n];\n\n/**\n * Packet type `connect`.\n *\n * @api public\n */\n\nexports.CONNECT = 0;\n\n/**\n * Packet type `disconnect`.\n *\n * @api public\n */\n\nexports.DISCONNECT = 1;\n\n/**\n * Packet type `event`.\n *\n * @api public\n */\n\nexports.EVENT = 2;\n\n/**\n * Packet type `ack`.\n *\n * @api public\n */\n\nexports.ACK = 3;\n\n/**\n * Packet type `error`.\n *\n * @api public\n */\n\nexports.ERROR = 4;\n\n/**\n * Packet type 'binary event'\n *\n * @api public\n */\n\nexports.BINARY_EVENT = 5;\n\n/**\n * Packet type `binary ack`. For acks with binary arguments.\n *\n * @api public\n */\n\nexports.BINARY_ACK = 6;\n\n/**\n * Encoder constructor.\n *\n * @api public\n */\n\nexports.Encoder = Encoder;\n\n/**\n * Decoder constructor.\n *\n * @api public\n */\n\nexports.Decoder = Decoder;\n\n/**\n * A socket.io Encoder instance\n *\n * @api public\n */\n\nfunction Encoder() {}\n\n/**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n * @param {Function} callback - function to handle encodings (likely engine.write)\n * @return Calls callback with Array of encodings\n * @api public\n */\n\nEncoder.prototype.encode = function(obj, callback){\n if ((obj.type === exports.EVENT || obj.type === exports.ACK) && hasBin(obj.data)) {\n obj.type = obj.type === exports.EVENT ? exports.BINARY_EVENT : exports.BINARY_ACK;\n }\n\n\n\n if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n encodeAsBinary(obj, callback);\n }\n else {\n var encoding = encodeAsString(obj);\n callback([encoding]);\n }\n};\n\n/**\n * Encode packet as string.\n *\n * @param {Object} packet\n * @return {String} encoded\n * @api private\n */\n\nfunction encodeAsString(obj) {\n\n // first is type\n var str = '' + obj.type;\n\n // attachments if we have them\n if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {\n str += obj.attachments + '-';\n }\n\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && '/' !== obj.nsp) {\n str += obj.nsp + ',';\n }\n\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data);\n }\n\n\n return str;\n}\n\n/**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n *\n * @param {Object} packet\n * @return {Buffer} encoded\n * @api private\n */\n\nfunction encodeAsBinary(obj, callback) {\n\n function writeEncoding(bloblessData) {\n var deconstruction = binary.deconstructPacket(bloblessData);\n var pack = encodeAsString(deconstruction.packet);\n var buffers = deconstruction.buffers;\n\n buffers.unshift(pack); // add packet info to beginning of data list\n callback(buffers); // write all the buffers\n }\n\n binary.removeBlobs(obj, writeEncoding);\n}\n\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n * @api public\n */\n\nfunction Decoder() {\n this.reconstructor = null;\n}\n\n/**\n * Mix in `Emitter` with Decoder.\n */\n\nEmitter(Decoder.prototype);\n\n/**\n * Decodes an ecoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n * @return {Object} packet\n * @api public\n */\n\nDecoder.prototype.add = function(obj) {\n var packet;\n if (typeof obj === 'string') {\n packet = decodeString(obj);\n if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n\n // no attachments, labeled binary but no binary data to follow\n if (this.reconstructor.reconPack.attachments === 0) {\n this.emit('decoded', packet);\n }\n } else { // non-binary full packet\n this.emit('decoded', packet);\n }\n }\n else if (isBuf(obj) || obj.base64) { // raw binary data\n if (!this.reconstructor) {\n throw new Error('got binary data when not reconstructing a packet');\n } else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) { // received final buffer\n this.reconstructor = null;\n this.emit('decoded', packet);\n }\n }\n }\n else {\n throw new Error('Unknown type: ' + obj);\n }\n};\n\n/**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n * @api private\n */\n\nfunction decodeString(str) {\n var i = 0;\n // look up type\n var p = {\n type: Number(str.charAt(0))\n };\n\n if (null == exports.types[p.type]) return error();\n\n // look up attachments if type binary\n if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {\n var buf = '';\n while (str.charAt(++i) !== '-') {\n buf += str.charAt(i);\n if (i == str.length) break;\n }\n if (buf != Number(buf) || str.charAt(i) !== '-') {\n throw new Error('Illegal attachments');\n }\n p.attachments = Number(buf);\n }\n\n // look up namespace (if any)\n if ('/' === str.charAt(i + 1)) {\n p.nsp = '';\n while (++i) {\n var c = str.charAt(i);\n if (',' === c) break;\n p.nsp += c;\n if (i === str.length) break;\n }\n } else {\n p.nsp = '/';\n }\n\n // look up id\n var next = str.charAt(i + 1);\n if ('' !== next && Number(next) == next) {\n p.id = '';\n while (++i) {\n var c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n p.id += str.charAt(i);\n if (i === str.length) break;\n }\n p.id = Number(p.id);\n }\n\n // look up json data\n if (str.charAt(++i)) {\n p = tryParse(p, str.substr(i));\n }\n\n\n return p;\n}\n\nfunction tryParse(p, str) {\n try {\n p.data = JSON.parse(str);\n } catch(e){\n return error();\n }\n return p; \n}\n\n/**\n * Deallocates a parser's resources\n *\n * @api public\n */\n\nDecoder.prototype.destroy = function() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n }\n};\n\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n * @api private\n */\n\nfunction BinaryReconstructor(packet) {\n this.reconPack = packet;\n this.buffers = [];\n}\n\n/**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n * @api private\n */\n\nBinaryReconstructor.prototype.takeBinaryData = function(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) { // done with buffer list\n var packet = binary.reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n};\n\n/**\n * Cleans up binary packet reconstruction variables.\n *\n * @api private\n */\n\nBinaryReconstructor.prototype.finishedReconstruction = function() {\n this.reconPack = null;\n this.buffers = [];\n};\n\nfunction error() {\n return {\n type: exports.ERROR,\n data: 'parser error'\n };\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/index.js\n// module id = 4\n// module chunks = 0","\r\n/**\r\n * Expose `Emitter`.\r\n */\r\n\r\nif (typeof module !== 'undefined') {\r\n module.exports = Emitter;\r\n}\r\n\r\n/**\r\n * Initialize a new `Emitter`.\r\n *\r\n * @api public\r\n */\r\n\r\nfunction Emitter(obj) {\r\n if (obj) return mixin(obj);\r\n};\r\n\r\n/**\r\n * Mixin the emitter properties.\r\n *\r\n * @param {Object} obj\r\n * @return {Object}\r\n * @api private\r\n */\r\n\r\nfunction mixin(obj) {\r\n for (var key in Emitter.prototype) {\r\n obj[key] = Emitter.prototype[key];\r\n }\r\n return obj;\r\n}\r\n\r\n/**\r\n * Listen on the given `event` with `fn`.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.on =\r\nEmitter.prototype.addEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n .push(fn);\r\n return this;\r\n};\r\n\r\n/**\r\n * Adds an `event` listener that will be invoked a single\r\n * time then automatically removed.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.once = function(event, fn){\r\n function on() {\r\n this.off(event, on);\r\n fn.apply(this, arguments);\r\n }\r\n\r\n on.fn = fn;\r\n this.on(event, on);\r\n return this;\r\n};\r\n\r\n/**\r\n * Remove the given callback for `event` or all\r\n * registered callbacks.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.off =\r\nEmitter.prototype.removeListener =\r\nEmitter.prototype.removeAllListeners =\r\nEmitter.prototype.removeEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n\r\n // all\r\n if (0 == arguments.length) {\r\n this._callbacks = {};\r\n return this;\r\n }\r\n\r\n // specific event\r\n var callbacks = this._callbacks['$' + event];\r\n if (!callbacks) return this;\r\n\r\n // remove all handlers\r\n if (1 == arguments.length) {\r\n delete this._callbacks['$' + event];\r\n return this;\r\n }\r\n\r\n // remove specific handler\r\n var cb;\r\n for (var i = 0; i < callbacks.length; i++) {\r\n cb = callbacks[i];\r\n if (cb === fn || cb.fn === fn) {\r\n callbacks.splice(i, 1);\r\n break;\r\n }\r\n }\r\n return this;\r\n};\r\n\r\n/**\r\n * Emit `event` with the given args.\r\n *\r\n * @param {String} event\r\n * @param {Mixed} ...\r\n * @return {Emitter}\r\n */\r\n\r\nEmitter.prototype.emit = function(event){\r\n this._callbacks = this._callbacks || {};\r\n var args = [].slice.call(arguments, 1)\r\n , callbacks = this._callbacks['$' + event];\r\n\r\n if (callbacks) {\r\n callbacks = callbacks.slice(0);\r\n for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n callbacks[i].apply(this, args);\r\n }\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Return array of callbacks for `event`.\r\n *\r\n * @param {String} event\r\n * @return {Array}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.listeners = function(event){\r\n this._callbacks = this._callbacks || {};\r\n return this._callbacks['$' + event] || [];\r\n};\r\n\r\n/**\r\n * Check if this emitter has `event` handlers.\r\n *\r\n * @param {String} event\r\n * @return {Boolean}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.hasListeners = function(event){\r\n return !! this.listeners(event).length;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-emitter/index.js\n// module id = 5\n// module chunks = 0","/* global Blob File */\n\n/*\n * Module requirements.\n */\n\nvar isArray = require('isarray');\n\nvar toString = Object.prototype.toString;\nvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\nvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\n/**\n * Module exports.\n */\n\nmodule.exports = hasBinary;\n\n/**\n * Checks for binary data.\n *\n * Supports Buffer, ArrayBuffer, Blob and File.\n *\n * @param {Object} anything\n * @api public\n */\n\nfunction hasBinary (obj) {\n if (!obj || typeof obj !== 'object') {\n return false;\n }\n\n if (isArray(obj)) {\n for (var i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n\n if ((typeof global.Buffer === 'function' && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||\n (typeof global.ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File)\n ) {\n return true;\n }\n\n // see: https://github.com/Automattic/has-binary/pull/4\n if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n\n for (var key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n\n return false;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/has-binary2/index.js\n// module id = 6\n// module chunks = 0","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n return toString.call(arr) == '[object Array]';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/isarray/index.js\n// module id = 7\n// module chunks = 0","/*global Blob,File*/\n\n/**\n * Module requirements\n */\n\nvar isArray = require('isarray');\nvar isBuf = require('./is-buffer');\nvar toString = Object.prototype.toString;\nvar withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';\nvar withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';\n\n/**\n * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.\n * Anything with blobs or files should be fed through removeBlobs before coming\n * here.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @api public\n */\n\nexports.deconstructPacket = function(packet) {\n var buffers = [];\n var packetData = packet.data;\n var pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return {packet: pack, buffers: buffers};\n};\n\nfunction _deconstructPacket(data, buffers) {\n if (!data) return data;\n\n if (isBuf(data)) {\n var placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n } else if (isArray(data)) {\n var newData = new Array(data.length);\n for (var i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n } else if (typeof data === 'object' && !(data instanceof Date)) {\n var newData = {};\n for (var key in data) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n return newData;\n }\n return data;\n}\n\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @api public\n */\n\nexports.reconstructPacket = function(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n packet.attachments = undefined; // no longer useful\n return packet;\n};\n\nfunction _reconstructPacket(data, buffers) {\n if (!data) return data;\n\n if (data && data._placeholder) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n } else if (isArray(data)) {\n for (var i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n } else if (typeof data === 'object') {\n for (var key in data) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n\n return data;\n}\n\n/**\n * Asynchronously removes Blobs or Files from data via\n * FileReader's readAsArrayBuffer method. Used before encoding\n * data as msgpack. Calls callback with the blobless data.\n *\n * @param {Object} data\n * @param {Function} callback\n * @api private\n */\n\nexports.removeBlobs = function(data, callback) {\n function _removeBlobs(obj, curKey, containingObject) {\n if (!obj) return obj;\n\n // convert any blob\n if ((withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File)) {\n pendingBlobs++;\n\n // async filereader\n var fileReader = new FileReader();\n fileReader.onload = function() { // this.result == arraybuffer\n if (containingObject) {\n containingObject[curKey] = this.result;\n }\n else {\n bloblessData = this.result;\n }\n\n // if nothing pending its callback time\n if(! --pendingBlobs) {\n callback(bloblessData);\n }\n };\n\n fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer\n } else if (isArray(obj)) { // handle array\n for (var i = 0; i < obj.length; i++) {\n _removeBlobs(obj[i], i, obj);\n }\n } else if (typeof obj === 'object' && !isBuf(obj)) { // and object\n for (var key in obj) {\n _removeBlobs(obj[key], key, obj);\n }\n }\n }\n\n var pendingBlobs = 0;\n var bloblessData = data;\n _removeBlobs(bloblessData);\n if (!pendingBlobs) {\n callback(bloblessData);\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/binary.js\n// module id = 8\n// module chunks = 0","\nmodule.exports = isBuf;\n\n/**\n * Returns true if obj is a buffer or an arraybuffer.\n *\n * @api private\n */\n\nfunction isBuf(obj) {\n return (global.Buffer && global.Buffer.isBuffer(obj)) ||\n (global.ArrayBuffer && obj instanceof ArrayBuffer);\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/socket.io-parser/is-buffer.js\n// module id = 9\n// module chunks = 0","\n/**\n * Module dependencies.\n */\n\nvar eio = require('engine.io-client');\nvar Socket = require('./socket');\nvar Emitter = require('component-emitter');\nvar parser = require('socket.io-parser');\nvar on = require('./on');\nvar bind = require('component-bind');\nvar debug = require('debug')('socket.io-client:manager');\nvar indexOf = require('indexof');\nvar Backoff = require('backo2');\n\n/**\n * IE6+ hasOwnProperty\n */\n\nvar has = Object.prototype.hasOwnProperty;\n\n/**\n * Module exports\n */\n\nmodule.exports = Manager;\n\n/**\n * `Manager` constructor.\n *\n * @param {String} engine instance or engine uri/opts\n * @param {Object} options\n * @api public\n */\n\nfunction Manager (uri, opts) {\n if (!(this instanceof Manager)) return new Manager(uri, opts);\n if (uri && ('object' === typeof uri)) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n\n opts.path = opts.path || '/socket.io';\n this.nsps = {};\n this.subs = [];\n this.opts = opts;\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor(opts.randomizationFactor || 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor()\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this.readyState = 'closed';\n this.uri = uri;\n this.connecting = [];\n this.lastPing = null;\n this.encoding = false;\n this.packetBuffer = [];\n var _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this.autoConnect = opts.autoConnect !== false;\n if (this.autoConnect) this.open();\n}\n\n/**\n * Propagate given event to sockets and emit on `this`\n *\n * @api private\n */\n\nManager.prototype.emitAll = function () {\n this.emit.apply(this, arguments);\n for (var nsp in this.nsps) {\n if (has.call(this.nsps, nsp)) {\n this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);\n }\n }\n};\n\n/**\n * Update `socket.id` of all sockets\n *\n * @api private\n */\n\nManager.prototype.updateSocketIds = function () {\n for (var nsp in this.nsps) {\n if (has.call(this.nsps, nsp)) {\n this.nsps[nsp].id = this.generateId(nsp);\n }\n }\n};\n\n/**\n * generate `socket.id` for the given `nsp`\n *\n * @param {String} nsp\n * @return {String}\n * @api private\n */\n\nManager.prototype.generateId = function (nsp) {\n return (nsp === '/' ? '' : (nsp + '#')) + this.engine.id;\n};\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Manager.prototype);\n\n/**\n * Sets the `reconnection` config.\n *\n * @param {Boolean} true/false if it should automatically reconnect\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnection = function (v) {\n if (!arguments.length) return this._reconnection;\n this._reconnection = !!v;\n return this;\n};\n\n/**\n * Sets the reconnection attempts config.\n *\n * @param {Number} max reconnection attempts before giving up\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionAttempts = function (v) {\n if (!arguments.length) return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n};\n\n/**\n * Sets the delay between reconnections.\n *\n * @param {Number} delay\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionDelay = function (v) {\n if (!arguments.length) return this._reconnectionDelay;\n this._reconnectionDelay = v;\n this.backoff && this.backoff.setMin(v);\n return this;\n};\n\nManager.prototype.randomizationFactor = function (v) {\n if (!arguments.length) return this._randomizationFactor;\n this._randomizationFactor = v;\n this.backoff && this.backoff.setJitter(v);\n return this;\n};\n\n/**\n * Sets the maximum delay between reconnections.\n *\n * @param {Number} delay\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.reconnectionDelayMax = function (v) {\n if (!arguments.length) return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n this.backoff && this.backoff.setMax(v);\n return this;\n};\n\n/**\n * Sets the connection timeout. `false` to disable\n *\n * @return {Manager} self or value\n * @api public\n */\n\nManager.prototype.timeout = function (v) {\n if (!arguments.length) return this._timeout;\n this._timeout = v;\n return this;\n};\n\n/**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @api private\n */\n\nManager.prototype.maybeReconnectOnOpen = function () {\n // Only try to reconnect if it's the first time we're connecting\n if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n};\n\n/**\n * Sets the current transport `socket`.\n *\n * @param {Function} optional, callback\n * @return {Manager} self\n * @api public\n */\n\nManager.prototype.open =\nManager.prototype.connect = function (fn, opts) {\n\n if (~this.readyState.indexOf('open')) return this;\n\n\n this.engine = eio(this.uri, this.opts);\n var socket = this.engine;\n var self = this;\n this.readyState = 'opening';\n this.skipReconnect = false;\n\n // emit `open`\n var openSub = on(socket, 'open', function () {\n self.onopen();\n fn && fn();\n });\n\n // emit `connect_error`\n var errorSub = on(socket, 'error', function (data) {\n\n self.cleanup();\n self.readyState = 'closed';\n self.emitAll('connect_error', data);\n if (fn) {\n var err = new Error('Connection error');\n err.data = data;\n fn(err);\n } else {\n // Only do this if there is no fn to handle the error\n self.maybeReconnectOnOpen();\n }\n });\n\n // emit `connect_timeout`\n if (false !== this._timeout) {\n var timeout = this._timeout;\n\n\n // set timer\n var timer = setTimeout(function () {\n\n openSub.destroy();\n socket.close();\n socket.emit('error', 'timeout');\n self.emitAll('connect_timeout', timeout);\n }, timeout);\n\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n }\n });\n }\n\n this.subs.push(openSub);\n this.subs.push(errorSub);\n\n return this;\n};\n\n/**\n * Called upon transport open.\n *\n * @api private\n */\n\nManager.prototype.onopen = function () {\n\n\n // clear old subs\n this.cleanup();\n\n // mark as open\n this.readyState = 'open';\n this.emit('open');\n\n // add new subs\n var socket = this.engine;\n this.subs.push(on(socket, 'data', bind(this, 'ondata')));\n this.subs.push(on(socket, 'ping', bind(this, 'onping')));\n this.subs.push(on(socket, 'pong', bind(this, 'onpong')));\n this.subs.push(on(socket, 'error', bind(this, 'onerror')));\n this.subs.push(on(socket, 'close', bind(this, 'onclose')));\n this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));\n};\n\n/**\n * Called upon a ping.\n *\n * @api private\n */\n\nManager.prototype.onping = function () {\n this.lastPing = new Date();\n this.emitAll('ping');\n};\n\n/**\n * Called upon a packet.\n *\n * @api private\n */\n\nManager.prototype.onpong = function () {\n this.emitAll('pong', new Date() - this.lastPing);\n};\n\n/**\n * Called with data.\n *\n * @api private\n */\n\nManager.prototype.ondata = function (data) {\n this.decoder.add(data);\n};\n\n/**\n * Called when parser fully decodes a packet.\n *\n * @api private\n */\n\nManager.prototype.ondecoded = function (packet) {\n this.emit('packet', packet);\n};\n\n/**\n * Called upon socket error.\n *\n * @api private\n */\n\nManager.prototype.onerror = function (err) {\n\n this.emitAll('error', err);\n};\n\n/**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @api public\n */\n\nManager.prototype.socket = function (nsp, opts) {\n var socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n var self = this;\n socket.on('connecting', onConnecting);\n socket.on('connect', function () {\n socket.id = self.generateId(nsp);\n });\n\n if (this.autoConnect) {\n // manually call here since connecting event is fired before listening\n onConnecting();\n }\n }\n\n function onConnecting () {\n if (!~indexOf(self.connecting, socket)) {\n self.connecting.push(socket);\n }\n }\n\n return socket;\n};\n\n/**\n * Called upon a socket close.\n *\n * @param {Socket} socket\n */\n\nManager.prototype.destroy = function (socket) {\n var index = indexOf(this.connecting, socket);\n if (~index) this.connecting.splice(index, 1);\n if (this.connecting.length) return;\n\n this.close();\n};\n\n/**\n * Writes a packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nManager.prototype.packet = function (packet) {\n\n var self = this;\n if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;\n\n if (!self.encoding) {\n // encode, then write to engine with result\n self.encoding = true;\n this.encoder.encode(packet, function (encodedPackets) {\n for (var i = 0; i < encodedPackets.length; i++) {\n self.engine.write(encodedPackets[i], packet.options);\n }\n self.encoding = false;\n self.processPacketQueue();\n });\n } else { // add packet to the queue\n self.packetBuffer.push(packet);\n }\n};\n\n/**\n * If packet buffer is non-empty, begins encoding the\n * next packet in line.\n *\n * @api private\n */\n\nManager.prototype.processPacketQueue = function () {\n if (this.packetBuffer.length > 0 && !this.encoding) {\n var pack = this.packetBuffer.shift();\n this.packet(pack);\n }\n};\n\n/**\n * Clean up transport subscriptions and packet buffer.\n *\n * @api private\n */\n\nManager.prototype.cleanup = function () {\n\n\n var subsLength = this.subs.length;\n for (var i = 0; i < subsLength; i++) {\n var sub = this.subs.shift();\n sub.destroy();\n }\n\n this.packetBuffer = [];\n this.encoding = false;\n this.lastPing = null;\n\n this.decoder.destroy();\n};\n\n/**\n * Close the current socket.\n *\n * @api private\n */\n\nManager.prototype.close =\nManager.prototype.disconnect = function () {\n\n this.skipReconnect = true;\n this.reconnecting = false;\n if ('opening' === this.readyState) {\n // `onclose` will not fire because\n // an open event never happened\n this.cleanup();\n }\n this.backoff.reset();\n this.readyState = 'closed';\n if (this.engine) this.engine.close();\n};\n\n/**\n * Called upon engine close.\n *\n * @api private\n */\n\nManager.prototype.onclose = function (reason) {\n\n\n this.cleanup();\n this.backoff.reset();\n this.readyState = 'closed';\n this.emit('close', reason);\n\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n};\n\n/**\n * Attempt a reconnection.\n *\n * @api private\n */\n\nManager.prototype.reconnect = function () {\n if (this.reconnecting || this.skipReconnect) return this;\n\n var self = this;\n\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n\n this.backoff.reset();\n this.emitAll('reconnect_failed');\n this.reconnecting = false;\n } else {\n var delay = this.backoff.duration();\n\n\n this.reconnecting = true;\n var timer = setTimeout(function () {\n if (self.skipReconnect) return;\n\n\n self.emitAll('reconnect_attempt', self.backoff.attempts);\n self.emitAll('reconnecting', self.backoff.attempts);\n\n // check again for the case socket closed in above events\n if (self.skipReconnect) return;\n\n self.open(function (err) {\n if (err) {\n\n self.reconnecting = false;\n self.reconnect();\n self.emitAll('reconnect_error', err.data);\n } else {\n\n self.onreconnect();\n }\n });\n }, delay);\n\n this.subs.push({\n destroy: function () {\n clearTimeout(timer);\n }\n });\n }\n};\n\n/**\n * Called upon successful reconnect.\n *\n * @api private\n */\n\nManager.prototype.onreconnect = function () {\n var attempt = this.backoff.attempts;\n this.reconnecting = false;\n this.backoff.reset();\n this.updateSocketIds();\n this.emitAll('reconnect', attempt);\n};\n\n\n\n// WEBPACK FOOTER //\n// ./lib/manager.js","\nmodule.exports = require('./socket');\n\n/**\n * Exports parser\n *\n * @api public\n *\n */\nmodule.exports.parser = require('engine.io-parser');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/index.js\n// module id = 11\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar transports = require('./transports/index');\nvar Emitter = require('component-emitter');\nvar debug = require('debug')('engine.io-client:socket');\nvar index = require('indexof');\nvar parser = require('engine.io-parser');\nvar parseuri = require('parseuri');\nvar parseqs = require('parseqs');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Socket;\n\n/**\n * Socket constructor.\n *\n * @param {String|Object} uri or options\n * @param {Object} options\n * @api public\n */\n\nfunction Socket (uri, opts) {\n if (!(this instanceof Socket)) return new Socket(uri, opts);\n\n opts = opts || {};\n\n if (uri && 'object' === typeof uri) {\n opts = uri;\n uri = null;\n }\n\n if (uri) {\n uri = parseuri(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n opts.port = uri.port;\n if (uri.query) opts.query = uri.query;\n } else if (opts.host) {\n opts.hostname = parseuri(opts.host).host;\n }\n\n this.secure = null != opts.secure ? opts.secure\n : (global.location && 'https:' === location.protocol);\n\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? '443' : '80';\n }\n\n this.agent = opts.agent || false;\n this.hostname = opts.hostname ||\n (global.location ? location.hostname : 'localhost');\n this.port = opts.port || (global.location && location.port\n ? location.port\n : (this.secure ? 443 : 80));\n this.query = opts.query || {};\n if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n this.upgrade = false !== opts.upgrade;\n this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n this.forceJSONP = !!opts.forceJSONP;\n this.jsonp = false !== opts.jsonp;\n this.forceBase64 = !!opts.forceBase64;\n this.enablesXDR = !!opts.enablesXDR;\n this.timestampParam = opts.timestampParam || 't';\n this.timestampRequests = opts.timestampRequests;\n this.transports = opts.transports || ['polling', 'websocket'];\n this.transportOptions = opts.transportOptions || {};\n this.readyState = '';\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.policyPort = opts.policyPort || 843;\n this.rememberUpgrade = opts.rememberUpgrade || false;\n this.binaryType = null;\n this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\n if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n this.perMessageDeflate.threshold = 1024;\n }\n\n // SSL options for Node.js client\n this.pfx = opts.pfx || null;\n this.key = opts.key || null;\n this.passphrase = opts.passphrase || null;\n this.cert = opts.cert || null;\n this.ca = opts.ca || null;\n this.ciphers = opts.ciphers || null;\n this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n this.forceNode = !!opts.forceNode;\n\n // other options for Node.js client\n var freeGlobal = typeof global === 'object' && global;\n if (freeGlobal.global === freeGlobal) {\n if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n this.extraHeaders = opts.extraHeaders;\n }\n\n if (opts.localAddress) {\n this.localAddress = opts.localAddress;\n }\n }\n\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n\n // set on heartbeat\n this.pingIntervalTimer = null;\n this.pingTimeoutTimer = null;\n\n this.open();\n}\n\nSocket.priorWebsocketSuccess = false;\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nSocket.protocol = parser.protocol; // this is an int\n\n/**\n * Expose deps for legacy compatibility\n * and standalone browser access.\n */\n\nSocket.Socket = Socket;\nSocket.Transport = require('./transport');\nSocket.transports = require('./transports/index');\nSocket.parser = require('engine.io-parser');\n\n/**\n * Creates transport of the given type.\n *\n * @param {String} transport name\n * @return {Transport}\n * @api private\n */\n\nSocket.prototype.createTransport = function (name) {\n\n var query = clone(this.query);\n\n // append engine.io protocol identifier\n query.EIO = parser.protocol;\n\n // transport name\n query.transport = name;\n\n // per-transport options\n var options = this.transportOptions[name] || {};\n\n // session id if we already have one\n if (this.id) query.sid = this.id;\n\n var transport = new transports[name]({\n query: query,\n socket: this,\n agent: options.agent || this.agent,\n hostname: options.hostname || this.hostname,\n port: options.port || this.port,\n secure: options.secure || this.secure,\n path: options.path || this.path,\n forceJSONP: options.forceJSONP || this.forceJSONP,\n jsonp: options.jsonp || this.jsonp,\n forceBase64: options.forceBase64 || this.forceBase64,\n enablesXDR: options.enablesXDR || this.enablesXDR,\n timestampRequests: options.timestampRequests || this.timestampRequests,\n timestampParam: options.timestampParam || this.timestampParam,\n policyPort: options.policyPort || this.policyPort,\n pfx: options.pfx || this.pfx,\n key: options.key || this.key,\n passphrase: options.passphrase || this.passphrase,\n cert: options.cert || this.cert,\n ca: options.ca || this.ca,\n ciphers: options.ciphers || this.ciphers,\n rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n extraHeaders: options.extraHeaders || this.extraHeaders,\n forceNode: options.forceNode || this.forceNode,\n localAddress: options.localAddress || this.localAddress,\n requestTimeout: options.requestTimeout || this.requestTimeout,\n protocols: options.protocols || void (0)\n });\n\n return transport;\n};\n\nfunction clone (obj) {\n var o = {};\n for (var i in obj) {\n if (obj.hasOwnProperty(i)) {\n o[i] = obj[i];\n }\n }\n return o;\n}\n\n/**\n * Initializes transport to use and starts probe.\n *\n * @api private\n */\nSocket.prototype.open = function () {\n var transport;\n if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n transport = 'websocket';\n } else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n var self = this;\n setTimeout(function () {\n self.emit('error', 'No transports available');\n }, 0);\n return;\n } else {\n transport = this.transports[0];\n }\n this.readyState = 'opening';\n\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n } catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n\n transport.open();\n this.setTransport(transport);\n};\n\n/**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @api private\n */\n\nSocket.prototype.setTransport = function (transport) {\n\n var self = this;\n\n if (this.transport) {\n\n this.transport.removeAllListeners();\n }\n\n // set up transport\n this.transport = transport;\n\n // set up transport listeners\n transport\n .on('drain', function () {\n self.onDrain();\n })\n .on('packet', function (packet) {\n self.onPacket(packet);\n })\n .on('error', function (e) {\n self.onError(e);\n })\n .on('close', function () {\n self.onClose('transport close');\n });\n};\n\n/**\n * Probes a transport.\n *\n * @param {String} transport name\n * @api private\n */\n\nSocket.prototype.probe = function (name) {\n\n var transport = this.createTransport(name, { probe: 1 });\n var failed = false;\n var self = this;\n\n Socket.priorWebsocketSuccess = false;\n\n function onTransportOpen () {\n if (self.onlyBinaryUpgrades) {\n var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n failed = failed || upgradeLosesBinary;\n }\n if (failed) return;\n\n\n transport.send([{ type: 'ping', data: 'probe' }]);\n transport.once('packet', function (msg) {\n if (failed) return;\n if ('pong' === msg.type && 'probe' === msg.data) {\n\n self.upgrading = true;\n self.emit('upgrading', transport);\n if (!transport) return;\n Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\n\n self.transport.pause(function () {\n if (failed) return;\n if ('closed' === self.readyState) return;\n\n\n cleanup();\n\n self.setTransport(transport);\n transport.send([{ type: 'upgrade' }]);\n self.emit('upgrade', transport);\n transport = null;\n self.upgrading = false;\n self.flush();\n });\n } else {\n\n var err = new Error('probe error');\n err.transport = transport.name;\n self.emit('upgradeError', err);\n }\n });\n }\n\n function freezeTransport () {\n if (failed) return;\n\n // Any callback called by transport should be ignored since now\n failed = true;\n\n cleanup();\n\n transport.close();\n transport = null;\n }\n\n // Handle any error that happens while probing\n function onerror (err) {\n var error = new Error('probe error: ' + err);\n error.transport = transport.name;\n\n freezeTransport();\n\n\n\n self.emit('upgradeError', error);\n }\n\n function onTransportClose () {\n onerror('transport closed');\n }\n\n // When the socket is closed while we're probing\n function onclose () {\n onerror('socket closed');\n }\n\n // When the socket is upgraded while we're probing\n function onupgrade (to) {\n if (transport && to.name !== transport.name) {\n\n freezeTransport();\n }\n }\n\n // Remove all listeners on the transport and on self\n function cleanup () {\n transport.removeListener('open', onTransportOpen);\n transport.removeListener('error', onerror);\n transport.removeListener('close', onTransportClose);\n self.removeListener('close', onclose);\n self.removeListener('upgrading', onupgrade);\n }\n\n transport.once('open', onTransportOpen);\n transport.once('error', onerror);\n transport.once('close', onTransportClose);\n\n this.once('close', onclose);\n this.once('upgrading', onupgrade);\n\n transport.open();\n};\n\n/**\n * Called when connection is deemed open.\n *\n * @api public\n */\n\nSocket.prototype.onOpen = function () {\n\n this.readyState = 'open';\n Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n this.emit('open');\n this.flush();\n\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n\n for (var i = 0, l = this.upgrades.length; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n};\n\n/**\n * Handles a packet.\n *\n * @api private\n */\n\nSocket.prototype.onPacket = function (packet) {\n if ('opening' === this.readyState || 'open' === this.readyState ||\n 'closing' === this.readyState) {\n\n\n this.emit('packet', packet);\n\n // Socket is live - any packet counts\n this.emit('heartbeat');\n\n switch (packet.type) {\n case 'open':\n this.onHandshake(JSON.parse(packet.data));\n break;\n\n case 'pong':\n this.setPing();\n this.emit('pong');\n break;\n\n case 'error':\n var err = new Error('server error');\n err.code = packet.data;\n this.onError(err);\n break;\n\n case 'message':\n this.emit('data', packet.data);\n this.emit('message', packet.data);\n break;\n }\n } else {\n\n }\n};\n\n/**\n * Called upon handshake completion.\n *\n * @param {Object} handshake obj\n * @api private\n */\n\nSocket.prototype.onHandshake = function (data) {\n this.emit('handshake', data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.onOpen();\n // In case open handler closes socket\n if ('closed' === this.readyState) return;\n this.setPing();\n\n // Prolong liveness of socket on heartbeat\n this.removeListener('heartbeat', this.onHeartbeat);\n this.on('heartbeat', this.onHeartbeat);\n};\n\n/**\n * Resets ping timeout.\n *\n * @api private\n */\n\nSocket.prototype.onHeartbeat = function (timeout) {\n clearTimeout(this.pingTimeoutTimer);\n var self = this;\n self.pingTimeoutTimer = setTimeout(function () {\n if ('closed' === self.readyState) return;\n self.onClose('ping timeout');\n }, timeout || (self.pingInterval + self.pingTimeout));\n};\n\n/**\n * Pings server every `this.pingInterval` and expects response\n * within `this.pingTimeout` or closes connection.\n *\n * @api private\n */\n\nSocket.prototype.setPing = function () {\n var self = this;\n clearTimeout(self.pingIntervalTimer);\n self.pingIntervalTimer = setTimeout(function () {\n\n self.ping();\n self.onHeartbeat(self.pingTimeout);\n }, self.pingInterval);\n};\n\n/**\n* Sends a ping packet.\n*\n* @api private\n*/\n\nSocket.prototype.ping = function () {\n var self = this;\n this.sendPacket('ping', function () {\n self.emit('ping');\n });\n};\n\n/**\n * Called on `drain` event\n *\n * @api private\n */\n\nSocket.prototype.onDrain = function () {\n this.writeBuffer.splice(0, this.prevBufferLen);\n\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n\n if (0 === this.writeBuffer.length) {\n this.emit('drain');\n } else {\n this.flush();\n }\n};\n\n/**\n * Flush write buffers.\n *\n * @api private\n */\n\nSocket.prototype.flush = function () {\n if ('closed' !== this.readyState && this.transport.writable &&\n !this.upgrading && this.writeBuffer.length) {\n\n this.transport.send(this.writeBuffer);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = this.writeBuffer.length;\n this.emit('flush');\n }\n};\n\n/**\n * Sends a message.\n *\n * @param {String} message.\n * @param {Function} callback function.\n * @param {Object} options.\n * @return {Socket} for chaining.\n * @api public\n */\n\nSocket.prototype.write =\nSocket.prototype.send = function (msg, options, fn) {\n this.sendPacket('message', msg, options, fn);\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {String} packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} callback function.\n * @api private\n */\n\nSocket.prototype.sendPacket = function (type, data, options, fn) {\n if ('function' === typeof data) {\n fn = data;\n data = undefined;\n }\n\n if ('function' === typeof options) {\n fn = options;\n options = null;\n }\n\n if ('closing' === this.readyState || 'closed' === this.readyState) {\n return;\n }\n\n options = options || {};\n options.compress = false !== options.compress;\n\n var packet = {\n type: type,\n data: data,\n options: options\n };\n this.emit('packetCreate', packet);\n this.writeBuffer.push(packet);\n if (fn) this.once('flush', fn);\n this.flush();\n};\n\n/**\n * Closes the connection.\n *\n * @api private\n */\n\nSocket.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.readyState = 'closing';\n\n var self = this;\n\n if (this.writeBuffer.length) {\n this.once('drain', function () {\n if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n });\n } else if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n }\n\n function close () {\n self.onClose('forced close');\n\n self.transport.close();\n }\n\n function cleanupAndClose () {\n self.removeListener('upgrade', cleanupAndClose);\n self.removeListener('upgradeError', cleanupAndClose);\n close();\n }\n\n function waitForUpgrade () {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n self.once('upgrade', cleanupAndClose);\n self.once('upgradeError', cleanupAndClose);\n }\n\n return this;\n};\n\n/**\n * Called upon transport error\n *\n * @api private\n */\n\nSocket.prototype.onError = function (err) {\n\n Socket.priorWebsocketSuccess = false;\n this.emit('error', err);\n this.onClose('transport error', err);\n};\n\n/**\n * Called upon transport close.\n *\n * @api private\n */\n\nSocket.prototype.onClose = function (reason, desc) {\n if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n\n var self = this;\n\n // clear timers\n clearTimeout(this.pingIntervalTimer);\n clearTimeout(this.pingTimeoutTimer);\n\n // stop event from firing again for transport\n this.transport.removeAllListeners('close');\n\n // ensure transport won't stay open\n this.transport.close();\n\n // ignore further transport communication\n this.transport.removeAllListeners();\n\n // set ready state\n this.readyState = 'closed';\n\n // clear session id\n this.id = null;\n\n // emit close event\n this.emit('close', reason, desc);\n\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n self.writeBuffer = [];\n self.prevBufferLen = 0;\n }\n};\n\n/**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} server upgrades\n * @api private\n *\n */\n\nSocket.prototype.filterUpgrades = function (upgrades) {\n var filteredUpgrades = [];\n for (var i = 0, j = upgrades.length; i < j; i++) {\n if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/socket.js\n// module id = 12\n// module chunks = 0","/**\n * Module dependencies\n */\n\nvar XMLHttpRequest = require('xmlhttprequest-ssl');\nvar XHR = require('./polling-xhr');\nvar JSONP = require('./polling-jsonp');\nvar websocket = require('./websocket');\n\n/**\n * Export transports.\n */\n\nexports.polling = polling;\nexports.websocket = websocket;\n\n/**\n * Polling transport polymorphic constructor.\n * Decides on xhr vs jsonp based on feature detection.\n *\n * @api private\n */\n\nfunction polling (opts) {\n var xhr;\n var xd = false;\n var xs = false;\n var jsonp = false !== opts.jsonp;\n\n if (global.location) {\n var isSSL = 'https:' === location.protocol;\n var port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n xd = opts.hostname !== location.hostname || port !== opts.port;\n xs = opts.secure !== isSSL;\n }\n\n opts.xdomain = xd;\n opts.xscheme = xs;\n xhr = new XMLHttpRequest(opts);\n\n if ('open' in xhr && !opts.forceJSONP) {\n return new XHR(opts);\n } else {\n if (!jsonp) throw new Error('JSONP disabled');\n return new JSONP(opts);\n }\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/index.js\n// module id = 13\n// module chunks = 0","// browser shim for xmlhttprequest module\n\nvar hasCORS = require('has-cors');\n\nmodule.exports = function (opts) {\n var xdomain = opts.xdomain;\n\n // scheme must be same when usign XDomainRequest\n // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx\n var xscheme = opts.xscheme;\n\n // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.\n // https://github.com/Automattic/engine.io-client/pull/217\n var enablesXDR = opts.enablesXDR;\n\n // XMLHttpRequest can be disabled on IE\n try {\n if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n } catch (e) { }\n\n // Use XDomainRequest for IE8 if enablesXDR is true\n // because loading bar keeps flashing when using jsonp-polling\n // https://github.com/yujiosaka/socke.io-ie8-loading-example\n try {\n if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {\n return new XDomainRequest();\n }\n } catch (e) { }\n\n if (!xdomain) {\n try {\n return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');\n } catch (e) { }\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/xmlhttprequest.js\n// module id = 14\n// module chunks = 0","\n/**\n * Module exports.\n *\n * Logic borrowed from Modernizr:\n *\n * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js\n */\n\ntry {\n module.exports = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n} catch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n module.exports = false;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/has-cors/index.js\n// module id = 15\n// module chunks = 0","/**\n * Module requirements.\n */\n\nvar XMLHttpRequest = require('xmlhttprequest-ssl');\nvar Polling = require('./polling');\nvar Emitter = require('component-emitter');\nvar inherit = require('component-inherit');\nvar debug = require('debug')('engine.io-client:polling-xhr');\n\n/**\n * Module exports.\n */\n\nmodule.exports = XHR;\nmodule.exports.Request = Request;\n\n/**\n * Empty function\n */\n\nfunction empty () {}\n\n/**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction XHR (opts) {\n Polling.call(this, opts);\n this.requestTimeout = opts.requestTimeout;\n this.extraHeaders = opts.extraHeaders;\n\n if (global.location) {\n var isSSL = 'https:' === location.protocol;\n var port = location.port;\n\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? 443 : 80;\n }\n\n this.xd = opts.hostname !== global.location.hostname ||\n port !== opts.port;\n this.xs = opts.secure !== isSSL;\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(XHR, Polling);\n\n/**\n * XHR supports binary\n */\n\nXHR.prototype.supportsBinary = true;\n\n/**\n * Creates a request.\n *\n * @param {String} method\n * @api private\n */\n\nXHR.prototype.request = function (opts) {\n opts = opts || {};\n opts.uri = this.uri();\n opts.xd = this.xd;\n opts.xs = this.xs;\n opts.agent = this.agent || false;\n opts.supportsBinary = this.supportsBinary;\n opts.enablesXDR = this.enablesXDR;\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n opts.requestTimeout = this.requestTimeout;\n\n // other options for Node.js client\n opts.extraHeaders = this.extraHeaders;\n\n return new Request(opts);\n};\n\n/**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @api private\n */\n\nXHR.prototype.doWrite = function (data, fn) {\n var isBinary = typeof data !== 'string' && data !== undefined;\n var req = this.request({ method: 'POST', data: data, isBinary: isBinary });\n var self = this;\n req.on('success', fn);\n req.on('error', function (err) {\n self.onError('xhr post error', err);\n });\n this.sendXhr = req;\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nXHR.prototype.doPoll = function () {\n\n var req = this.request();\n var self = this;\n req.on('data', function (data) {\n self.onData(data);\n });\n req.on('error', function (err) {\n self.onError('xhr poll error', err);\n });\n this.pollXhr = req;\n};\n\n/**\n * Request constructor\n *\n * @param {Object} options\n * @api public\n */\n\nfunction Request (opts) {\n this.method = opts.method || 'GET';\n this.uri = opts.uri;\n this.xd = !!opts.xd;\n this.xs = !!opts.xs;\n this.async = false !== opts.async;\n this.data = undefined !== opts.data ? opts.data : null;\n this.agent = opts.agent;\n this.isBinary = opts.isBinary;\n this.supportsBinary = opts.supportsBinary;\n this.enablesXDR = opts.enablesXDR;\n this.requestTimeout = opts.requestTimeout;\n\n // SSL options for Node.js client\n this.pfx = opts.pfx;\n this.key = opts.key;\n this.passphrase = opts.passphrase;\n this.cert = opts.cert;\n this.ca = opts.ca;\n this.ciphers = opts.ciphers;\n this.rejectUnauthorized = opts.rejectUnauthorized;\n\n // other options for Node.js client\n this.extraHeaders = opts.extraHeaders;\n\n this.create();\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Request.prototype);\n\n/**\n * Creates the XHR object and sends the request.\n *\n * @api private\n */\n\nRequest.prototype.create = function () {\n var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n\n var xhr = this.xhr = new XMLHttpRequest(opts);\n var self = this;\n\n try {\n\n xhr.open(this.method, this.uri, this.async);\n try {\n if (this.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (var i in this.extraHeaders) {\n if (this.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.extraHeaders[i]);\n }\n }\n }\n } catch (e) {}\n\n if ('POST' === this.method) {\n try {\n if (this.isBinary) {\n xhr.setRequestHeader('Content-type', 'application/octet-stream');\n } else {\n xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');\n }\n } catch (e) {}\n }\n\n try {\n xhr.setRequestHeader('Accept', '*/*');\n } catch (e) {}\n\n // ie6 check\n if ('withCredentials' in xhr) {\n xhr.withCredentials = true;\n }\n\n if (this.requestTimeout) {\n xhr.timeout = this.requestTimeout;\n }\n\n if (this.hasXDR()) {\n xhr.onload = function () {\n self.onLoad();\n };\n xhr.onerror = function () {\n self.onError(xhr.responseText);\n };\n } else {\n xhr.onreadystatechange = function () {\n if (xhr.readyState === 2) {\n var contentType;\n try {\n contentType = xhr.getResponseHeader('Content-Type');\n } catch (e) {}\n if (contentType === 'application/octet-stream') {\n xhr.responseType = 'arraybuffer';\n }\n }\n if (4 !== xhr.readyState) return;\n if (200 === xhr.status || 1223 === xhr.status) {\n self.onLoad();\n } else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n setTimeout(function () {\n self.onError(xhr.status);\n }, 0);\n }\n };\n }\n\n\n xhr.send(this.data);\n } catch (e) {\n // Need to defer since .create() is called directly fhrom the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n setTimeout(function () {\n self.onError(e);\n }, 0);\n return;\n }\n\n if (global.document) {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n};\n\n/**\n * Called upon successful response.\n *\n * @api private\n */\n\nRequest.prototype.onSuccess = function () {\n this.emit('success');\n this.cleanup();\n};\n\n/**\n * Called if we have data.\n *\n * @api private\n */\n\nRequest.prototype.onData = function (data) {\n this.emit('data', data);\n this.onSuccess();\n};\n\n/**\n * Called upon error.\n *\n * @api private\n */\n\nRequest.prototype.onError = function (err) {\n this.emit('error', err);\n this.cleanup(true);\n};\n\n/**\n * Cleans up house.\n *\n * @api private\n */\n\nRequest.prototype.cleanup = function (fromError) {\n if ('undefined' === typeof this.xhr || null === this.xhr) {\n return;\n }\n // xmlhttprequest\n if (this.hasXDR()) {\n this.xhr.onload = this.xhr.onerror = empty;\n } else {\n this.xhr.onreadystatechange = empty;\n }\n\n if (fromError) {\n try {\n this.xhr.abort();\n } catch (e) {}\n }\n\n if (global.document) {\n delete Request.requests[this.index];\n }\n\n this.xhr = null;\n};\n\n/**\n * Called upon load.\n *\n * @api private\n */\n\nRequest.prototype.onLoad = function () {\n var data;\n try {\n var contentType;\n try {\n contentType = this.xhr.getResponseHeader('Content-Type');\n } catch (e) {}\n if (contentType === 'application/octet-stream') {\n data = this.xhr.response || this.xhr.responseText;\n } else {\n data = this.xhr.responseText;\n }\n } catch (e) {\n this.onError(e);\n }\n if (null != data) {\n this.onData(data);\n }\n};\n\n/**\n * Check if it has XDomainRequest.\n *\n * @api private\n */\n\nRequest.prototype.hasXDR = function () {\n return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;\n};\n\n/**\n * Aborts the request.\n *\n * @api public\n */\n\nRequest.prototype.abort = function () {\n this.cleanup();\n};\n\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\n\nRequest.requestsCount = 0;\nRequest.requests = {};\n\nif (global.document) {\n if (global.attachEvent) {\n global.attachEvent('onunload', unloadHandler);\n } else if (global.addEventListener) {\n global.addEventListener('beforeunload', unloadHandler, false);\n }\n}\n\nfunction unloadHandler () {\n for (var i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling-xhr.js\n// module id = 16\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar Transport = require('../transport');\nvar parseqs = require('parseqs');\nvar parser = require('engine.io-parser');\nvar inherit = require('component-inherit');\nvar yeast = require('yeast');\nvar debug = require('debug')('engine.io-client:polling');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Polling;\n\n/**\n * Is XHR2 supported?\n */\n\nvar hasXHR2 = (function () {\n var XMLHttpRequest = require('xmlhttprequest-ssl');\n var xhr = new XMLHttpRequest({ xdomain: false });\n return null != xhr.responseType;\n})();\n\n/**\n * Polling interface.\n *\n * @param {Object} opts\n * @api private\n */\n\nfunction Polling (opts) {\n var forceBase64 = (opts && opts.forceBase64);\n if (!hasXHR2 || forceBase64) {\n this.supportsBinary = false;\n }\n Transport.call(this, opts);\n}\n\n/**\n * Inherits from Transport.\n */\n\ninherit(Polling, Transport);\n\n/**\n * Transport name.\n */\n\nPolling.prototype.name = 'polling';\n\n/**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @api private\n */\n\nPolling.prototype.doOpen = function () {\n this.poll();\n};\n\n/**\n * Pauses polling.\n *\n * @param {Function} callback upon buffers are flushed and transport is paused\n * @api private\n */\n\nPolling.prototype.pause = function (onPause) {\n var self = this;\n\n this.readyState = 'pausing';\n\n function pause () {\n\n self.readyState = 'paused';\n onPause();\n }\n\n if (this.polling || !this.writable) {\n var total = 0;\n\n if (this.polling) {\n\n total++;\n this.once('pollComplete', function () {\n\n --total || pause();\n });\n }\n\n if (!this.writable) {\n\n total++;\n this.once('drain', function () {\n\n --total || pause();\n });\n }\n } else {\n pause();\n }\n};\n\n/**\n * Starts polling cycle.\n *\n * @api public\n */\n\nPolling.prototype.poll = function () {\n\n this.polling = true;\n this.doPoll();\n this.emit('poll');\n};\n\n/**\n * Overloads onData to detect payloads.\n *\n * @api private\n */\n\nPolling.prototype.onData = function (data) {\n var self = this;\n\n var callback = function (packet, index, total) {\n // if its the first message we consider the transport open\n if ('opening' === self.readyState) {\n self.onOpen();\n }\n\n // if its a close packet, we close the ongoing requests\n if ('close' === packet.type) {\n self.onClose();\n return false;\n }\n\n // otherwise bypass onData and handle the message\n self.onPacket(packet);\n };\n\n // decode payload\n parser.decodePayload(data, this.socket.binaryType, callback);\n\n // if an event did not trigger closing\n if ('closed' !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emit('pollComplete');\n\n if ('open' === this.readyState) {\n this.poll();\n } else {\n\n }\n }\n};\n\n/**\n * For polling, send a close packet.\n *\n * @api private\n */\n\nPolling.prototype.doClose = function () {\n var self = this;\n\n function close () {\n\n self.write([{ type: 'close' }]);\n }\n\n if ('open' === this.readyState) {\n\n close();\n } else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n\n this.once('open', close);\n }\n};\n\n/**\n * Writes a packets payload.\n *\n * @param {Array} data packets\n * @param {Function} drain callback\n * @api private\n */\n\nPolling.prototype.write = function (packets) {\n var self = this;\n this.writable = false;\n var callbackfn = function () {\n self.writable = true;\n self.emit('drain');\n };\n\n parser.encodePayload(packets, this.supportsBinary, function (data) {\n self.doWrite(data, callbackfn);\n });\n};\n\n/**\n * Generates uri for connection.\n *\n * @api private\n */\n\nPolling.prototype.uri = function () {\n var query = this.query || {};\n var schema = this.secure ? 'https' : 'http';\n var port = '';\n\n // cache busting is forced\n if (false !== this.timestampRequests) {\n query[this.timestampParam] = yeast();\n }\n\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // avoid port if default for schema\n if (this.port && (('https' === schema && Number(this.port) !== 443) ||\n ('http' === schema && Number(this.port) !== 80))) {\n port = ':' + this.port;\n }\n\n // prepend ? to query\n if (query.length) {\n query = '?' + query;\n }\n\n var ipv6 = this.hostname.indexOf(':') !== -1;\n return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling.js\n// module id = 17\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar parser = require('engine.io-parser');\nvar Emitter = require('component-emitter');\n\n/**\n * Module exports.\n */\n\nmodule.exports = Transport;\n\n/**\n * Transport abstract constructor.\n *\n * @param {Object} options.\n * @api private\n */\n\nfunction Transport (opts) {\n this.path = opts.path;\n this.hostname = opts.hostname;\n this.port = opts.port;\n this.secure = opts.secure;\n this.query = opts.query;\n this.timestampParam = opts.timestampParam;\n this.timestampRequests = opts.timestampRequests;\n this.readyState = '';\n this.agent = opts.agent || false;\n this.socket = opts.socket;\n this.enablesXDR = opts.enablesXDR;\n\n // SSL options for Node.js client\n this.pfx = opts.pfx;\n this.key = opts.key;\n this.passphrase = opts.passphrase;\n this.cert = opts.cert;\n this.ca = opts.ca;\n this.ciphers = opts.ciphers;\n this.rejectUnauthorized = opts.rejectUnauthorized;\n this.forceNode = opts.forceNode;\n\n // other options for Node.js client\n this.extraHeaders = opts.extraHeaders;\n this.localAddress = opts.localAddress;\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Transport.prototype);\n\n/**\n * Emits an error.\n *\n * @param {String} str\n * @return {Transport} for chaining\n * @api public\n */\n\nTransport.prototype.onError = function (msg, desc) {\n var err = new Error(msg);\n err.type = 'TransportError';\n err.description = desc;\n this.emit('error', err);\n return this;\n};\n\n/**\n * Opens the transport.\n *\n * @api public\n */\n\nTransport.prototype.open = function () {\n if ('closed' === this.readyState || '' === this.readyState) {\n this.readyState = 'opening';\n this.doOpen();\n }\n\n return this;\n};\n\n/**\n * Closes the transport.\n *\n * @api private\n */\n\nTransport.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.doClose();\n this.onClose();\n }\n\n return this;\n};\n\n/**\n * Sends multiple packets.\n *\n * @param {Array} packets\n * @api private\n */\n\nTransport.prototype.send = function (packets) {\n if ('open' === this.readyState) {\n this.write(packets);\n } else {\n throw new Error('Transport not open');\n }\n};\n\n/**\n * Called upon open\n *\n * @api private\n */\n\nTransport.prototype.onOpen = function () {\n this.readyState = 'open';\n this.writable = true;\n this.emit('open');\n};\n\n/**\n * Called with data.\n *\n * @param {String} data\n * @api private\n */\n\nTransport.prototype.onData = function (data) {\n var packet = parser.decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n};\n\n/**\n * Called with a decoded packet.\n */\n\nTransport.prototype.onPacket = function (packet) {\n this.emit('packet', packet);\n};\n\n/**\n * Called upon close.\n *\n * @api private\n */\n\nTransport.prototype.onClose = function () {\n this.readyState = 'closed';\n this.emit('close');\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transport.js\n// module id = 18\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar keys = require('./keys');\nvar hasBinary = require('has-binary2');\nvar sliceBuffer = require('arraybuffer.slice');\nvar after = require('after');\nvar utf8 = require('./utf8');\n\nvar base64encoder;\nif (global && global.ArrayBuffer) {\n base64encoder = require('base64-arraybuffer');\n}\n\n/**\n * Check if we are running an android browser. That requires us to use\n * ArrayBuffer with polling transports...\n *\n * http://ghinda.net/jpeg-blob-ajax-android/\n */\n\nvar isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);\n\n/**\n * Check if we are running in PhantomJS.\n * Uploading a Blob with PhantomJS does not work correctly, as reported here:\n * https://github.com/ariya/phantomjs/issues/11395\n * @type boolean\n */\nvar isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);\n\n/**\n * When true, avoids using Blobs to encode payloads.\n * @type boolean\n */\nvar dontSendBlobs = isAndroid || isPhantomJS;\n\n/**\n * Current protocol version.\n */\n\nexports.protocol = 3;\n\n/**\n * Packet types.\n */\n\nvar packets = exports.packets = {\n open: 0 // non-ws\n , close: 1 // non-ws\n , ping: 2\n , pong: 3\n , message: 4\n , upgrade: 5\n , noop: 6\n};\n\nvar packetslist = keys(packets);\n\n/**\n * Premade error packet.\n */\n\nvar err = { type: 'error', data: 'parser error' };\n\n/**\n * Create a blob api even for blob builder when vendor prefixes exist\n */\n\nvar Blob = require('blob');\n\n/**\n * Encodes a packet.\n *\n * <packet type id> [ <data> ]\n *\n * Example:\n *\n * 5hello world\n * 3\n * 4\n *\n * Binary is encoded in an identical principle\n *\n * @api private\n */\n\nexports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {\n if (typeof supportsBinary === 'function') {\n callback = supportsBinary;\n supportsBinary = false;\n }\n\n if (typeof utf8encode === 'function') {\n callback = utf8encode;\n utf8encode = null;\n }\n\n var data = (packet.data === undefined)\n ? undefined\n : packet.data.buffer || packet.data;\n\n if (global.ArrayBuffer && data instanceof ArrayBuffer) {\n return encodeArrayBuffer(packet, supportsBinary, callback);\n } else if (Blob && data instanceof global.Blob) {\n return encodeBlob(packet, supportsBinary, callback);\n }\n\n // might be an object with { base64: true, data: dataAsBase64String }\n if (data && data.base64) {\n return encodeBase64Object(packet, callback);\n }\n\n // Sending data as a utf-8 string\n var encoded = packets[packet.type];\n\n // data fragment is optional\n if (undefined !== packet.data) {\n encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);\n }\n\n return callback('' + encoded);\n\n};\n\nfunction encodeBase64Object(packet, callback) {\n // packet data is an object { base64: true, data: dataAsBase64String }\n var message = 'b' + exports.packets[packet.type] + packet.data.data;\n return callback(message);\n}\n\n/**\n * Encode packet helpers for binary types\n */\n\nfunction encodeArrayBuffer(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n var data = packet.data;\n var contentArray = new Uint8Array(data);\n var resultBuffer = new Uint8Array(1 + data.byteLength);\n\n resultBuffer[0] = packets[packet.type];\n for (var i = 0; i < contentArray.length; i++) {\n resultBuffer[i+1] = contentArray[i];\n }\n\n return callback(resultBuffer.buffer);\n}\n\nfunction encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n var fr = new FileReader();\n fr.onload = function() {\n packet.data = fr.result;\n exports.encodePacket(packet, supportsBinary, true, callback);\n };\n return fr.readAsArrayBuffer(packet.data);\n}\n\nfunction encodeBlob(packet, supportsBinary, callback) {\n if (!supportsBinary) {\n return exports.encodeBase64Packet(packet, callback);\n }\n\n if (dontSendBlobs) {\n return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);\n }\n\n var length = new Uint8Array(1);\n length[0] = packets[packet.type];\n var blob = new Blob([length.buffer, packet.data]);\n\n return callback(blob);\n}\n\n/**\n * Encodes a packet with binary data in a base64 string\n *\n * @param {Object} packet, has `type` and `data`\n * @return {String} base64 encoded message\n */\n\nexports.encodeBase64Packet = function(packet, callback) {\n var message = 'b' + exports.packets[packet.type];\n if (Blob && packet.data instanceof global.Blob) {\n var fr = new FileReader();\n fr.onload = function() {\n var b64 = fr.result.split(',')[1];\n callback(message + b64);\n };\n return fr.readAsDataURL(packet.data);\n }\n\n var b64data;\n try {\n b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));\n } catch (e) {\n // iPhone Safari doesn't let you apply with typed arrays\n var typed = new Uint8Array(packet.data);\n var basic = new Array(typed.length);\n for (var i = 0; i < typed.length; i++) {\n basic[i] = typed[i];\n }\n b64data = String.fromCharCode.apply(null, basic);\n }\n message += global.btoa(b64data);\n return callback(message);\n};\n\n/**\n * Decodes a packet. Changes format to Blob if requested.\n *\n * @return {Object} with `type` and `data` (if any)\n * @api private\n */\n\nexports.decodePacket = function (data, binaryType, utf8decode) {\n if (data === undefined) {\n return err;\n }\n // String data\n if (typeof data === 'string') {\n if (data.charAt(0) === 'b') {\n return exports.decodeBase64Packet(data.substr(1), binaryType);\n }\n\n if (utf8decode) {\n data = tryDecode(data);\n if (data === false) {\n return err;\n }\n }\n var type = data.charAt(0);\n\n if (Number(type) != type || !packetslist[type]) {\n return err;\n }\n\n if (data.length > 1) {\n return { type: packetslist[type], data: data.substring(1) };\n } else {\n return { type: packetslist[type] };\n }\n }\n\n var asArray = new Uint8Array(data);\n var type = asArray[0];\n var rest = sliceBuffer(data, 1);\n if (Blob && binaryType === 'blob') {\n rest = new Blob([rest]);\n }\n return { type: packetslist[type], data: rest };\n};\n\nfunction tryDecode(data) {\n try {\n data = utf8.decode(data, { strict: false });\n } catch (e) {\n return false;\n }\n return data;\n}\n\n/**\n * Decodes a packet encoded in a base64 string\n *\n * @param {String} base64 encoded message\n * @return {Object} with `type` and `data` (if any)\n */\n\nexports.decodeBase64Packet = function(msg, binaryType) {\n var type = packetslist[msg.charAt(0)];\n if (!base64encoder) {\n return { type: type, data: { base64: true, data: msg.substr(1) } };\n }\n\n var data = base64encoder.decode(msg.substr(1));\n\n if (binaryType === 'blob' && Blob) {\n data = new Blob([data]);\n }\n\n return { type: type, data: data };\n};\n\n/**\n * Encodes multiple messages (payload).\n *\n * <length>:data\n *\n * Example:\n *\n * 11:hello world2:hi\n *\n * If any contents are binary, they will be encoded as base64 strings. Base64\n * encoded strings are marked with a b before the length specifier\n *\n * @param {Array} packets\n * @api private\n */\n\nexports.encodePayload = function (packets, supportsBinary, callback) {\n if (typeof supportsBinary === 'function') {\n callback = supportsBinary;\n supportsBinary = null;\n }\n\n var isBinary = hasBinary(packets);\n\n if (supportsBinary && isBinary) {\n if (Blob && !dontSendBlobs) {\n return exports.encodePayloadAsBlob(packets, callback);\n }\n\n return exports.encodePayloadAsArrayBuffer(packets, callback);\n }\n\n if (!packets.length) {\n return callback('0:');\n }\n\n function setLengthHeader(message) {\n return message.length + ':' + message;\n }\n\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {\n doneCallback(null, setLengthHeader(message));\n });\n }\n\n map(packets, encodeOne, function(err, results) {\n return callback(results.join(''));\n });\n};\n\n/**\n * Async array map using after\n */\n\nfunction map(ary, each, done) {\n var result = new Array(ary.length);\n var next = after(ary.length, done);\n\n var eachWithIndex = function(i, el, cb) {\n each(el, function(error, msg) {\n result[i] = msg;\n cb(error, result);\n });\n };\n\n for (var i = 0; i < ary.length; i++) {\n eachWithIndex(i, ary[i], next);\n }\n}\n\n/*\n * Decodes data when a payload is maybe expected. Possible binary contents are\n * decoded from their base64 representation\n *\n * @param {String} data, callback method\n * @api public\n */\n\nexports.decodePayload = function (data, binaryType, callback) {\n if (typeof data !== 'string') {\n return exports.decodePayloadAsBinary(data, binaryType, callback);\n }\n\n if (typeof binaryType === 'function') {\n callback = binaryType;\n binaryType = null;\n }\n\n var packet;\n if (data === '') {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n var length = '', n, msg;\n\n for (var i = 0, l = data.length; i < l; i++) {\n var chr = data.charAt(i);\n\n if (chr !== ':') {\n length += chr;\n continue;\n }\n\n if (length === '' || (length != (n = Number(length)))) {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n msg = data.substr(i + 1, n);\n\n if (length != msg.length) {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n if (msg.length) {\n packet = exports.decodePacket(msg, binaryType, false);\n\n if (err.type === packet.type && err.data === packet.data) {\n // parser error in individual packet - ignoring payload\n return callback(err, 0, 1);\n }\n\n var ret = callback(packet, i + n, l);\n if (false === ret) return;\n }\n\n // advance cursor\n i += n;\n length = '';\n }\n\n if (length !== '') {\n // parser error - ignoring payload\n return callback(err, 0, 1);\n }\n\n};\n\n/**\n * Encodes multiple messages (payload) as binary.\n *\n * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number\n * 255><data>\n *\n * Example:\n * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers\n *\n * @param {Array} packets\n * @return {ArrayBuffer} encoded payload\n * @api private\n */\n\nexports.encodePayloadAsArrayBuffer = function(packets, callback) {\n if (!packets.length) {\n return callback(new ArrayBuffer(0));\n }\n\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, true, true, function(data) {\n return doneCallback(null, data);\n });\n }\n\n map(packets, encodeOne, function(err, encodedPackets) {\n var totalLength = encodedPackets.reduce(function(acc, p) {\n var len;\n if (typeof p === 'string'){\n len = p.length;\n } else {\n len = p.byteLength;\n }\n return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2\n }, 0);\n\n var resultArray = new Uint8Array(totalLength);\n\n var bufferIndex = 0;\n encodedPackets.forEach(function(p) {\n var isString = typeof p === 'string';\n var ab = p;\n if (isString) {\n var view = new Uint8Array(p.length);\n for (var i = 0; i < p.length; i++) {\n view[i] = p.charCodeAt(i);\n }\n ab = view.buffer;\n }\n\n if (isString) { // not true binary\n resultArray[bufferIndex++] = 0;\n } else { // true binary\n resultArray[bufferIndex++] = 1;\n }\n\n var lenStr = ab.byteLength.toString();\n for (var i = 0; i < lenStr.length; i++) {\n resultArray[bufferIndex++] = parseInt(lenStr[i]);\n }\n resultArray[bufferIndex++] = 255;\n\n var view = new Uint8Array(ab);\n for (var i = 0; i < view.length; i++) {\n resultArray[bufferIndex++] = view[i];\n }\n });\n\n return callback(resultArray.buffer);\n });\n};\n\n/**\n * Encode as Blob\n */\n\nexports.encodePayloadAsBlob = function(packets, callback) {\n function encodeOne(packet, doneCallback) {\n exports.encodePacket(packet, true, true, function(encoded) {\n var binaryIdentifier = new Uint8Array(1);\n binaryIdentifier[0] = 1;\n if (typeof encoded === 'string') {\n var view = new Uint8Array(encoded.length);\n for (var i = 0; i < encoded.length; i++) {\n view[i] = encoded.charCodeAt(i);\n }\n encoded = view.buffer;\n binaryIdentifier[0] = 0;\n }\n\n var len = (encoded instanceof ArrayBuffer)\n ? encoded.byteLength\n : encoded.size;\n\n var lenStr = len.toString();\n var lengthAry = new Uint8Array(lenStr.length + 1);\n for (var i = 0; i < lenStr.length; i++) {\n lengthAry[i] = parseInt(lenStr[i]);\n }\n lengthAry[lenStr.length] = 255;\n\n if (Blob) {\n var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);\n doneCallback(null, blob);\n }\n });\n }\n\n map(packets, encodeOne, function(err, results) {\n return callback(new Blob(results));\n });\n};\n\n/*\n * Decodes data when a payload is maybe expected. Strings are decoded by\n * interpreting each byte as a key code for entries marked to start with 0. See\n * description of encodePayloadAsBinary\n *\n * @param {ArrayBuffer} data, callback method\n * @api public\n */\n\nexports.decodePayloadAsBinary = function (data, binaryType, callback) {\n if (typeof binaryType === 'function') {\n callback = binaryType;\n binaryType = null;\n }\n\n var bufferTail = data;\n var buffers = [];\n\n while (bufferTail.byteLength > 0) {\n var tailArray = new Uint8Array(bufferTail);\n var isString = tailArray[0] === 0;\n var msgLength = '';\n\n for (var i = 1; ; i++) {\n if (tailArray[i] === 255) break;\n\n // 310 = char length of Number.MAX_VALUE\n if (msgLength.length > 310) {\n return callback(err, 0, 1);\n }\n\n msgLength += tailArray[i];\n }\n\n bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);\n msgLength = parseInt(msgLength);\n\n var msg = sliceBuffer(bufferTail, 0, msgLength);\n if (isString) {\n try {\n msg = String.fromCharCode.apply(null, new Uint8Array(msg));\n } catch (e) {\n // iPhone Safari doesn't let you apply to typed arrays\n var typed = new Uint8Array(msg);\n msg = '';\n for (var i = 0; i < typed.length; i++) {\n msg += String.fromCharCode(typed[i]);\n }\n }\n }\n\n buffers.push(msg);\n bufferTail = sliceBuffer(bufferTail, msgLength);\n }\n\n var total = buffers.length;\n buffers.forEach(function(buffer, i) {\n callback(exports.decodePacket(buffer, binaryType, true), i, total);\n });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/browser.js\n// module id = 19\n// module chunks = 0","\n/**\n * Gets the keys for an object.\n *\n * @return {Array} keys\n * @api private\n */\n\nmodule.exports = Object.keys || function keys (obj){\n var arr = [];\n var has = Object.prototype.hasOwnProperty;\n\n for (var i in obj) {\n if (has.call(obj, i)) {\n arr.push(i);\n }\n }\n return arr;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/keys.js\n// module id = 20\n// module chunks = 0","/**\n * An abstraction for slicing an arraybuffer even when\n * ArrayBuffer.prototype.slice is not supported\n *\n * @api public\n */\n\nmodule.exports = function(arraybuffer, start, end) {\n var bytes = arraybuffer.byteLength;\n start = start || 0;\n end = end || bytes;\n\n if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\n if (start < 0) { start += bytes; }\n if (end < 0) { end += bytes; }\n if (end > bytes) { end = bytes; }\n\n if (start >= bytes || start >= end || bytes === 0) {\n return new ArrayBuffer(0);\n }\n\n var abv = new Uint8Array(arraybuffer);\n var result = new Uint8Array(end - start);\n for (var i = start, ii = 0; i < end; i++, ii++) {\n result[ii] = abv[i];\n }\n return result.buffer;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/arraybuffer.slice/index.js\n// module id = 21\n// module chunks = 0","module.exports = after\n\nfunction after(count, callback, err_cb) {\n var bail = false\n err_cb = err_cb || noop\n proxy.count = count\n\n return (count === 0) ? callback() : proxy\n\n function proxy(err, result) {\n if (proxy.count <= 0) {\n throw new Error('after called too many times')\n }\n --proxy.count\n\n // after first error, rest are passed to err_cb\n if (err) {\n bail = true\n callback(err)\n // future error callbacks will go to error handler\n callback = err_cb\n } else if (proxy.count === 0 && !bail) {\n callback(null, result)\n }\n }\n}\n\nfunction noop() {}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/after/index.js\n// module id = 22\n// module chunks = 0","/*! https://mths.be/utf8js v2.1.2 by @mathias */\n;(function(root) {\n\n\t// Detect free variables `exports`\n\tvar freeExports = typeof exports == 'object' && exports;\n\n\t// Detect free variable `module`\n\tvar freeModule = typeof module == 'object' && module &&\n\t\tmodule.exports == freeExports && module;\n\n\t// Detect free variable `global`, from Node.js or Browserified code,\n\t// and use it as `root`\n\tvar freeGlobal = typeof global == 'object' && global;\n\tif (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {\n\t\troot = freeGlobal;\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\tvar stringFromCharCode = String.fromCharCode;\n\n\t// Taken from https://mths.be/punycode\n\tfunction ucs2decode(string) {\n\t\tvar output = [];\n\t\tvar counter = 0;\n\t\tvar length = string.length;\n\t\tvar value;\n\t\tvar extra;\n\t\twhile (counter < length) {\n\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t} else {\n\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\toutput.push(value);\n\t\t\t\t\tcounter--;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\toutput.push(value);\n\t\t\t}\n\t\t}\n\t\treturn output;\n\t}\n\n\t// Taken from https://mths.be/punycode\n\tfunction ucs2encode(array) {\n\t\tvar length = array.length;\n\t\tvar index = -1;\n\t\tvar value;\n\t\tvar output = '';\n\t\twhile (++index < length) {\n\t\t\tvalue = array[index];\n\t\t\tif (value > 0xFFFF) {\n\t\t\t\tvalue -= 0x10000;\n\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t}\n\t\t\toutput += stringFromCharCode(value);\n\t\t}\n\t\treturn output;\n\t}\n\n\tfunction checkScalarValue(codePoint, strict) {\n\t\tif (codePoint >= 0xD800 && codePoint <= 0xDFFF) {\n\t\t\tif (strict) {\n\t\t\t\tthrow Error(\n\t\t\t\t\t'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +\n\t\t\t\t\t' is not a scalar value'\n\t\t\t\t);\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\t\treturn true;\n\t}\n\t/*--------------------------------------------------------------------------*/\n\n\tfunction createByte(codePoint, shift) {\n\t\treturn stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);\n\t}\n\n\tfunction encodeCodePoint(codePoint, strict) {\n\t\tif ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence\n\t\t\treturn stringFromCharCode(codePoint);\n\t\t}\n\t\tvar symbol = '';\n\t\tif ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);\n\t\t}\n\t\telse if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence\n\t\t\tif (!checkScalarValue(codePoint, strict)) {\n\t\t\t\tcodePoint = 0xFFFD;\n\t\t\t}\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);\n\t\t\tsymbol += createByte(codePoint, 6);\n\t\t}\n\t\telse if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence\n\t\t\tsymbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);\n\t\t\tsymbol += createByte(codePoint, 12);\n\t\t\tsymbol += createByte(codePoint, 6);\n\t\t}\n\t\tsymbol += stringFromCharCode((codePoint & 0x3F) | 0x80);\n\t\treturn symbol;\n\t}\n\n\tfunction utf8encode(string, opts) {\n\t\topts = opts || {};\n\t\tvar strict = false !== opts.strict;\n\n\t\tvar codePoints = ucs2decode(string);\n\t\tvar length = codePoints.length;\n\t\tvar index = -1;\n\t\tvar codePoint;\n\t\tvar byteString = '';\n\t\twhile (++index < length) {\n\t\t\tcodePoint = codePoints[index];\n\t\t\tbyteString += encodeCodePoint(codePoint, strict);\n\t\t}\n\t\treturn byteString;\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\tfunction readContinuationByte() {\n\t\tif (byteIndex >= byteCount) {\n\t\t\tthrow Error('Invalid byte index');\n\t\t}\n\n\t\tvar continuationByte = byteArray[byteIndex] & 0xFF;\n\t\tbyteIndex++;\n\n\t\tif ((continuationByte & 0xC0) == 0x80) {\n\t\t\treturn continuationByte & 0x3F;\n\t\t}\n\n\t\t// If we end up here, it’s not a continuation byte\n\t\tthrow Error('Invalid continuation byte');\n\t}\n\n\tfunction decodeSymbol(strict) {\n\t\tvar byte1;\n\t\tvar byte2;\n\t\tvar byte3;\n\t\tvar byte4;\n\t\tvar codePoint;\n\n\t\tif (byteIndex > byteCount) {\n\t\t\tthrow Error('Invalid byte index');\n\t\t}\n\n\t\tif (byteIndex == byteCount) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Read first byte\n\t\tbyte1 = byteArray[byteIndex] & 0xFF;\n\t\tbyteIndex++;\n\n\t\t// 1-byte sequence (no continuation bytes)\n\t\tif ((byte1 & 0x80) == 0) {\n\t\t\treturn byte1;\n\t\t}\n\n\t\t// 2-byte sequence\n\t\tif ((byte1 & 0xE0) == 0xC0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x1F) << 6) | byte2;\n\t\t\tif (codePoint >= 0x80) {\n\t\t\t\treturn codePoint;\n\t\t\t} else {\n\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t}\n\t\t}\n\n\t\t// 3-byte sequence (may include unpaired surrogates)\n\t\tif ((byte1 & 0xF0) == 0xE0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tbyte3 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;\n\t\t\tif (codePoint >= 0x0800) {\n\t\t\t\treturn checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;\n\t\t\t} else {\n\t\t\t\tthrow Error('Invalid continuation byte');\n\t\t\t}\n\t\t}\n\n\t\t// 4-byte sequence\n\t\tif ((byte1 & 0xF8) == 0xF0) {\n\t\t\tbyte2 = readContinuationByte();\n\t\t\tbyte3 = readContinuationByte();\n\t\t\tbyte4 = readContinuationByte();\n\t\t\tcodePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |\n\t\t\t\t(byte3 << 0x06) | byte4;\n\t\t\tif (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {\n\t\t\t\treturn codePoint;\n\t\t\t}\n\t\t}\n\n\t\tthrow Error('Invalid UTF-8 detected');\n\t}\n\n\tvar byteArray;\n\tvar byteCount;\n\tvar byteIndex;\n\tfunction utf8decode(byteString, opts) {\n\t\topts = opts || {};\n\t\tvar strict = false !== opts.strict;\n\n\t\tbyteArray = ucs2decode(byteString);\n\t\tbyteCount = byteArray.length;\n\t\tbyteIndex = 0;\n\t\tvar codePoints = [];\n\t\tvar tmp;\n\t\twhile ((tmp = decodeSymbol(strict)) !== false) {\n\t\t\tcodePoints.push(tmp);\n\t\t}\n\t\treturn ucs2encode(codePoints);\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\tvar utf8 = {\n\t\t'version': '2.1.2',\n\t\t'encode': utf8encode,\n\t\t'decode': utf8decode\n\t};\n\n\t// Some AMD build optimizers, like r.js, check for specific condition patterns\n\t// like the following:\n\tif (\n\t\ttypeof define == 'function' &&\n\t\ttypeof define.amd == 'object' &&\n\t\tdefine.amd\n\t) {\n\t\tdefine(function() {\n\t\t\treturn utf8;\n\t\t});\n\t}\telse if (freeExports && !freeExports.nodeType) {\n\t\tif (freeModule) { // in Node.js or RingoJS v0.8.0+\n\t\t\tfreeModule.exports = utf8;\n\t\t} else { // in Narwhal or RingoJS v0.7.0-\n\t\t\tvar object = {};\n\t\t\tvar hasOwnProperty = object.hasOwnProperty;\n\t\t\tfor (var key in utf8) {\n\t\t\t\thasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);\n\t\t\t}\n\t\t}\n\t} else { // in Rhino or a web browser\n\t\troot.utf8 = utf8;\n\t}\n\n}(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-parser/lib/utf8.js\n// module id = 23\n// module chunks = 0","module.exports = function(module) {\r\n\tif(!module.webpackPolyfill) {\r\n\t\tmodule.deprecate = function() {};\r\n\t\tmodule.paths = [];\r\n\t\t// module.parent = undefined by default\r\n\t\tmodule.children = [];\r\n\t\tmodule.webpackPolyfill = 1;\r\n\t}\r\n\treturn module;\r\n}\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// (webpack)/buildin/module.js\n// module id = 24\n// module chunks = 0","/*\n * base64-arraybuffer\n * https://github.com/niklasvh/base64-arraybuffer\n *\n * Copyright (c) 2012 Niklas von Hertzen\n * Licensed under the MIT license.\n */\n(function(){\n \"use strict\";\n\n var chars = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n // Use a lookup table to find the index.\n var lookup = new Uint8Array(256);\n for (var i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n }\n\n exports.encode = function(arraybuffer) {\n var bytes = new Uint8Array(arraybuffer),\n i, len = bytes.length, base64 = \"\";\n\n for (i = 0; i < len; i+=3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n\n if ((len % 3) === 2) {\n base64 = base64.substring(0, base64.length - 1) + \"=\";\n } else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + \"==\";\n }\n\n return base64;\n };\n\n exports.decode = function(base64) {\n var bufferLength = base64.length * 0.75,\n len = base64.length, i, p = 0,\n encoded1, encoded2, encoded3, encoded4;\n\n if (base64[base64.length - 1] === \"=\") {\n bufferLength--;\n if (base64[base64.length - 2] === \"=\") {\n bufferLength--;\n }\n }\n\n var arraybuffer = new ArrayBuffer(bufferLength),\n bytes = new Uint8Array(arraybuffer);\n\n for (i = 0; i < len; i+=4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i+1)];\n encoded3 = lookup[base64.charCodeAt(i+2)];\n encoded4 = lookup[base64.charCodeAt(i+3)];\n\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n\n return arraybuffer;\n };\n})();\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/base64-arraybuffer/lib/base64-arraybuffer.js\n// module id = 25\n// module chunks = 0","/**\n * Create a blob builder even when vendor prefixes exist\n */\n\nvar BlobBuilder = global.BlobBuilder\n || global.WebKitBlobBuilder\n || global.MSBlobBuilder\n || global.MozBlobBuilder;\n\n/**\n * Check if Blob constructor is supported\n */\n\nvar blobSupported = (function() {\n try {\n var a = new Blob(['hi']);\n return a.size === 2;\n } catch(e) {\n return false;\n }\n})();\n\n/**\n * Check if Blob constructor supports ArrayBufferViews\n * Fails in Safari 6, so we need to map to ArrayBuffers there.\n */\n\nvar blobSupportsArrayBufferView = blobSupported && (function() {\n try {\n var b = new Blob([new Uint8Array([1,2])]);\n return b.size === 2;\n } catch(e) {\n return false;\n }\n})();\n\n/**\n * Check if BlobBuilder is supported\n */\n\nvar blobBuilderSupported = BlobBuilder\n && BlobBuilder.prototype.append\n && BlobBuilder.prototype.getBlob;\n\n/**\n * Helper function that maps ArrayBufferViews to ArrayBuffers\n * Used by BlobBuilder constructor and old browsers that didn't\n * support it in the Blob constructor.\n */\n\nfunction mapArrayBufferViews(ary) {\n for (var i = 0; i < ary.length; i++) {\n var chunk = ary[i];\n if (chunk.buffer instanceof ArrayBuffer) {\n var buf = chunk.buffer;\n\n // if this is a subarray, make a copy so we only\n // include the subarray region from the underlying buffer\n if (chunk.byteLength !== buf.byteLength) {\n var copy = new Uint8Array(chunk.byteLength);\n copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\n buf = copy.buffer;\n }\n\n ary[i] = buf;\n }\n }\n}\n\nfunction BlobBuilderConstructor(ary, options) {\n options = options || {};\n\n var bb = new BlobBuilder();\n mapArrayBufferViews(ary);\n\n for (var i = 0; i < ary.length; i++) {\n bb.append(ary[i]);\n }\n\n return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\n};\n\nfunction BlobConstructor(ary, options) {\n mapArrayBufferViews(ary);\n return new Blob(ary, options || {});\n};\n\nmodule.exports = (function() {\n if (blobSupported) {\n return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;\n } else if (blobBuilderSupported) {\n return BlobBuilderConstructor;\n } else {\n return undefined;\n }\n})();\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/blob/index.js\n// module id = 26\n// module chunks = 0","/**\r\n * Compiles a querystring\r\n * Returns string representation of the object\r\n *\r\n * @param {Object}\r\n * @api private\r\n */\r\n\r\nexports.encode = function (obj) {\r\n var str = '';\r\n\r\n for (var i in obj) {\r\n if (obj.hasOwnProperty(i)) {\r\n if (str.length) str += '&';\r\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\r\n }\r\n }\r\n\r\n return str;\r\n};\r\n\r\n/**\r\n * Parses a simple querystring into an object\r\n *\r\n * @param {String} qs\r\n * @api private\r\n */\r\n\r\nexports.decode = function(qs){\r\n var qry = {};\r\n var pairs = qs.split('&');\r\n for (var i = 0, l = pairs.length; i < l; i++) {\r\n var pair = pairs[i].split('=');\r\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\r\n }\r\n return qry;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/parseqs/index.js\n// module id = 27\n// module chunks = 0","\nmodule.exports = function(a, b){\n var fn = function(){};\n fn.prototype = b.prototype;\n a.prototype = new fn;\n a.prototype.constructor = a;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-inherit/index.js\n// module id = 28\n// module chunks = 0","'use strict';\n\nvar alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')\n , length = 64\n , map = {}\n , seed = 0\n , i = 0\n , prev;\n\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nfunction encode(num) {\n var encoded = '';\n\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n\n return encoded;\n}\n\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nfunction decode(str) {\n var decoded = 0;\n\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n\n return decoded;\n}\n\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nfunction yeast() {\n var now = encode(+new Date());\n\n if (now !== prev) return seed = 0, prev = now;\n return now +'.'+ encode(seed++);\n}\n\n//\n// Map each character to its index.\n//\nfor (; i < length; i++) map[alphabet[i]] = i;\n\n//\n// Expose the `yeast`, `encode` and `decode` functions.\n//\nyeast.encode = encode;\nyeast.decode = decode;\nmodule.exports = yeast;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/yeast/index.js\n// module id = 29\n// module chunks = 0","\n/**\n * Module requirements.\n */\n\nvar Polling = require('./polling');\nvar inherit = require('component-inherit');\n\n/**\n * Module exports.\n */\n\nmodule.exports = JSONPPolling;\n\n/**\n * Cached regular expressions.\n */\n\nvar rNewline = /\\n/g;\nvar rEscapedNewline = /\\\\n/g;\n\n/**\n * Global JSONP callbacks.\n */\n\nvar callbacks;\n\n/**\n * Noop.\n */\n\nfunction empty () { }\n\n/**\n * JSONP Polling constructor.\n *\n * @param {Object} opts.\n * @api public\n */\n\nfunction JSONPPolling (opts) {\n Polling.call(this, opts);\n\n this.query = this.query || {};\n\n // define global callbacks array if not present\n // we do this here (lazily) to avoid unneeded global pollution\n if (!callbacks) {\n // we need to consider multiple engines in the same page\n if (!global.___eio) global.___eio = [];\n callbacks = global.___eio;\n }\n\n // callback identifier\n this.index = callbacks.length;\n\n // add callback to jsonp global\n var self = this;\n callbacks.push(function (msg) {\n self.onData(msg);\n });\n\n // append to query string\n this.query.j = this.index;\n\n // prevent spurious errors from being emitted when the window is unloaded\n if (global.document && global.addEventListener) {\n global.addEventListener('beforeunload', function () {\n if (self.script) self.script.onerror = empty;\n }, false);\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(JSONPPolling, Polling);\n\n/*\n * JSONP only supports binary as base64 encoded strings\n */\n\nJSONPPolling.prototype.supportsBinary = false;\n\n/**\n * Closes the socket.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doClose = function () {\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n if (this.form) {\n this.form.parentNode.removeChild(this.form);\n this.form = null;\n this.iframe = null;\n }\n\n Polling.prototype.doClose.call(this);\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doPoll = function () {\n var self = this;\n var script = document.createElement('script');\n\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n script.async = true;\n script.src = this.uri();\n script.onerror = function (e) {\n self.onError('jsonp poll error', e);\n };\n\n var insertAt = document.getElementsByTagName('script')[0];\n if (insertAt) {\n insertAt.parentNode.insertBefore(script, insertAt);\n } else {\n (document.head || document.body).appendChild(script);\n }\n this.script = script;\n\n var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\n if (isUAgecko) {\n setTimeout(function () {\n var iframe = document.createElement('iframe');\n document.body.appendChild(iframe);\n document.body.removeChild(iframe);\n }, 100);\n }\n};\n\n/**\n * Writes with a hidden iframe.\n *\n * @param {String} data to send\n * @param {Function} called upon flush.\n * @api private\n */\n\nJSONPPolling.prototype.doWrite = function (data, fn) {\n var self = this;\n\n if (!this.form) {\n var form = document.createElement('form');\n var area = document.createElement('textarea');\n var id = this.iframeId = 'eio_iframe_' + this.index;\n var iframe;\n\n form.className = 'socketio';\n form.style.position = 'absolute';\n form.style.top = '-1000px';\n form.style.left = '-1000px';\n form.target = id;\n form.method = 'POST';\n form.setAttribute('accept-charset', 'utf-8');\n area.name = 'd';\n form.appendChild(area);\n document.body.appendChild(form);\n\n this.form = form;\n this.area = area;\n }\n\n this.form.action = this.uri();\n\n function complete () {\n initIframe();\n fn();\n }\n\n function initIframe () {\n if (self.iframe) {\n try {\n self.form.removeChild(self.iframe);\n } catch (e) {\n self.onError('jsonp polling iframe removal error', e);\n }\n }\n\n try {\n // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n var html = '<iframe src=\"javascript:0\" name=\"' + self.iframeId + '\">';\n iframe = document.createElement(html);\n } catch (e) {\n iframe = document.createElement('iframe');\n iframe.name = self.iframeId;\n iframe.src = 'javascript:0';\n }\n\n iframe.id = self.iframeId;\n\n self.form.appendChild(iframe);\n self.iframe = iframe;\n }\n\n initIframe();\n\n // escape \\n to prevent it from being converted into \\r\\n by some UAs\n // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side\n data = data.replace(rEscapedNewline, '\\\\\\n');\n this.area.value = data.replace(rNewline, '\\\\n');\n\n try {\n this.form.submit();\n } catch (e) {}\n\n if (this.iframe.attachEvent) {\n this.iframe.onreadystatechange = function () {\n if (self.iframe.readyState === 'complete') {\n complete();\n }\n };\n } else {\n this.iframe.onload = complete;\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/polling-jsonp.js\n// module id = 30\n// module chunks = 0","/**\n * Module dependencies.\n */\n\nvar Transport = require('../transport');\nvar parser = require('engine.io-parser');\nvar parseqs = require('parseqs');\nvar inherit = require('component-inherit');\nvar yeast = require('yeast');\nvar debug = require('debug')('engine.io-client:websocket');\nvar BrowserWebSocket = global.WebSocket || global.MozWebSocket;\nvar NodeWebSocket;\nif (typeof window === 'undefined') {\n try {\n NodeWebSocket = require('ws');\n } catch (e) { }\n}\n\n/**\n * Get either the `WebSocket` or `MozWebSocket` globals\n * in the browser or try to resolve WebSocket-compatible\n * interface exposed by `ws` for Node-like environment.\n */\n\nvar WebSocket = BrowserWebSocket;\nif (!WebSocket && typeof window === 'undefined') {\n WebSocket = NodeWebSocket;\n}\n\n/**\n * Module exports.\n */\n\nmodule.exports = WS;\n\n/**\n * WebSocket transport constructor.\n *\n * @api {Object} connection options\n * @api public\n */\n\nfunction WS (opts) {\n var forceBase64 = (opts && opts.forceBase64);\n if (forceBase64) {\n this.supportsBinary = false;\n }\n this.perMessageDeflate = opts.perMessageDeflate;\n this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;\n this.protocols = opts.protocols;\n if (!this.usingBrowserWebSocket) {\n WebSocket = NodeWebSocket;\n }\n Transport.call(this, opts);\n}\n\n/**\n * Inherits from Transport.\n */\n\ninherit(WS, Transport);\n\n/**\n * Transport name.\n *\n * @api public\n */\n\nWS.prototype.name = 'websocket';\n\n/*\n * WebSockets support binary\n */\n\nWS.prototype.supportsBinary = true;\n\n/**\n * Opens socket.\n *\n * @api private\n */\n\nWS.prototype.doOpen = function () {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n\n var uri = this.uri();\n var protocols = this.protocols;\n var opts = {\n agent: this.agent,\n perMessageDeflate: this.perMessageDeflate\n };\n\n // SSL options for Node.js client\n opts.pfx = this.pfx;\n opts.key = this.key;\n opts.passphrase = this.passphrase;\n opts.cert = this.cert;\n opts.ca = this.ca;\n opts.ciphers = this.ciphers;\n opts.rejectUnauthorized = this.rejectUnauthorized;\n if (this.extraHeaders) {\n opts.headers = this.extraHeaders;\n }\n if (this.localAddress) {\n opts.localAddress = this.localAddress;\n }\n\n try {\n this.ws = this.usingBrowserWebSocket ? (protocols ? new WebSocket(uri, protocols) : new WebSocket(uri)) : new WebSocket(uri, protocols, opts);\n } catch (err) {\n return this.emit('error', err);\n }\n\n if (this.ws.binaryType === undefined) {\n this.supportsBinary = false;\n }\n\n if (this.ws.supports && this.ws.supports.binary) {\n this.supportsBinary = true;\n this.ws.binaryType = 'nodebuffer';\n } else {\n this.ws.binaryType = 'arraybuffer';\n }\n\n this.addEventListeners();\n};\n\n/**\n * Adds event listeners to the socket\n *\n * @api private\n */\n\nWS.prototype.addEventListeners = function () {\n var self = this;\n\n this.ws.onopen = function () {\n self.onOpen();\n };\n this.ws.onclose = function () {\n self.onClose();\n };\n this.ws.onmessage = function (ev) {\n self.onData(ev.data);\n };\n this.ws.onerror = function (e) {\n self.onError('websocket error', e);\n };\n};\n\n/**\n * Writes data to socket.\n *\n * @param {Array} array of packets.\n * @api private\n */\n\nWS.prototype.write = function (packets) {\n var self = this;\n this.writable = false;\n\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n var total = packets.length;\n for (var i = 0, l = total; i < l; i++) {\n (function (packet) {\n parser.encodePacket(packet, self.supportsBinary, function (data) {\n if (!self.usingBrowserWebSocket) {\n // always create a new object (GH-437)\n var opts = {};\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n\n if (self.perMessageDeflate) {\n var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;\n if (len < self.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (self.usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n self.ws.send(data);\n } else {\n self.ws.send(data, opts);\n }\n } catch (e) {\n\n }\n\n --total || done();\n });\n })(packets[i]);\n }\n\n function done () {\n self.emit('flush');\n\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n setTimeout(function () {\n self.writable = true;\n self.emit('drain');\n }, 0);\n }\n};\n\n/**\n * Called upon close\n *\n * @api private\n */\n\nWS.prototype.onClose = function () {\n Transport.prototype.onClose.call(this);\n};\n\n/**\n * Closes socket.\n *\n * @api private\n */\n\nWS.prototype.doClose = function () {\n if (typeof this.ws !== 'undefined') {\n this.ws.close();\n }\n};\n\n/**\n * Generates uri for connection.\n *\n * @api private\n */\n\nWS.prototype.uri = function () {\n var query = this.query || {};\n var schema = this.secure ? 'wss' : 'ws';\n var port = '';\n\n // avoid port if default for schema\n if (this.port && (('wss' === schema && Number(this.port) !== 443) ||\n ('ws' === schema && Number(this.port) !== 80))) {\n port = ':' + this.port;\n }\n\n // append timestamp to URI\n if (this.timestampRequests) {\n query[this.timestampParam] = yeast();\n }\n\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n\n query = parseqs.encode(query);\n\n // prepend ? to query\n if (query.length) {\n query = '?' + query;\n }\n\n var ipv6 = this.hostname.indexOf(':') !== -1;\n return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;\n};\n\n/**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @api public\n */\n\nWS.prototype.check = function () {\n return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/engine.io-client/lib/transports/websocket.js\n// module id = 31\n// module chunks = 0","\nvar indexOf = [].indexOf;\n\nmodule.exports = function(arr, obj){\n if (indexOf) return arr.indexOf(obj);\n for (var i = 0; i < arr.length; ++i) {\n if (arr[i] === obj) return i;\n }\n return -1;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/indexof/index.js\n// module id = 33\n// module chunks = 0","\n/**\n * Module dependencies.\n */\n\nvar parser = require('socket.io-parser');\nvar Emitter = require('component-emitter');\nvar toArray = require('to-array');\nvar on = require('./on');\nvar bind = require('component-bind');\nvar debug = require('debug')('socket.io-client:socket');\nvar parseqs = require('parseqs');\n\n/**\n * Module exports.\n */\n\nmodule.exports = exports = Socket;\n\n/**\n * Internal events (blacklisted).\n * These events can't be emitted by the user.\n *\n * @api private\n */\n\nvar events = {\n connect: 1,\n connect_error: 1,\n connect_timeout: 1,\n connecting: 1,\n disconnect: 1,\n error: 1,\n reconnect: 1,\n reconnect_attempt: 1,\n reconnect_failed: 1,\n reconnect_error: 1,\n reconnecting: 1,\n ping: 1,\n pong: 1\n};\n\n/**\n * Shortcut to `Emitter#emit`.\n */\n\nvar emit = Emitter.prototype.emit;\n\n/**\n * `Socket` constructor.\n *\n * @api public\n */\n\nfunction Socket (io, nsp, opts) {\n this.io = io;\n this.nsp = nsp;\n this.json = this; // compat\n this.ids = 0;\n this.acks = {};\n this.receiveBuffer = [];\n this.sendBuffer = [];\n this.connected = false;\n this.disconnected = true;\n if (opts && opts.query) {\n this.query = opts.query;\n }\n if (this.io.autoConnect) this.open();\n}\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Subscribe to open, close and packet events\n *\n * @api private\n */\n\nSocket.prototype.subEvents = function () {\n if (this.subs) return;\n\n var io = this.io;\n this.subs = [\n on(io, 'open', bind(this, 'onopen')),\n on(io, 'packet', bind(this, 'onpacket')),\n on(io, 'close', bind(this, 'onclose'))\n ];\n};\n\n/**\n * \"Opens\" the socket.\n *\n * @api public\n */\n\nSocket.prototype.open =\nSocket.prototype.connect = function () {\n if (this.connected) return this;\n\n this.subEvents();\n this.io.open(); // ensure open\n if ('open' === this.io.readyState) this.onopen();\n this.emit('connecting');\n return this;\n};\n\n/**\n * Sends a `message` event.\n *\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.send = function () {\n var args = toArray(arguments);\n args.unshift('message');\n this.emit.apply(this, args);\n return this;\n};\n\n/**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @param {String} event name\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.emit = function (ev) {\n if (events.hasOwnProperty(ev)) {\n emit.apply(this, arguments);\n return this;\n }\n\n var args = toArray(arguments);\n var packet = { type: parser.EVENT, data: args };\n\n packet.options = {};\n packet.options.compress = !this.flags || false !== this.flags.compress;\n\n // event ack callback\n if ('function' === typeof args[args.length - 1]) {\n\n this.acks[this.ids] = args.pop();\n packet.id = this.ids++;\n }\n\n if (this.connected) {\n this.packet(packet);\n } else {\n this.sendBuffer.push(packet);\n }\n\n delete this.flags;\n\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.packet = function (packet) {\n packet.nsp = this.nsp;\n this.io.packet(packet);\n};\n\n/**\n * Called upon engine `open`.\n *\n * @api private\n */\n\nSocket.prototype.onopen = function () {\n\n\n // write connect packet if necessary\n if ('/' !== this.nsp) {\n if (this.query) {\n var query = typeof this.query === 'object' ? parseqs.encode(this.query) : this.query;\n\n this.packet({type: parser.CONNECT, query: query});\n } else {\n this.packet({type: parser.CONNECT});\n }\n }\n};\n\n/**\n * Called upon engine `close`.\n *\n * @param {String} reason\n * @api private\n */\n\nSocket.prototype.onclose = function (reason) {\n\n this.connected = false;\n this.disconnected = true;\n delete this.id;\n this.emit('disconnect', reason);\n};\n\n/**\n * Called with socket packet.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onpacket = function (packet) {\n if (packet.nsp !== this.nsp) return;\n\n switch (packet.type) {\n case parser.CONNECT:\n this.onconnect();\n break;\n\n case parser.EVENT:\n this.onevent(packet);\n break;\n\n case parser.BINARY_EVENT:\n this.onevent(packet);\n break;\n\n case parser.ACK:\n this.onack(packet);\n break;\n\n case parser.BINARY_ACK:\n this.onack(packet);\n break;\n\n case parser.DISCONNECT:\n this.ondisconnect();\n break;\n\n case parser.ERROR:\n this.emit('error', packet.data);\n break;\n }\n};\n\n/**\n * Called upon a server event.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onevent = function (packet) {\n var args = packet.data || [];\n\n\n if (null != packet.id) {\n\n args.push(this.ack(packet.id));\n }\n\n if (this.connected) {\n emit.apply(this, args);\n } else {\n this.receiveBuffer.push(args);\n }\n};\n\n/**\n * Produces an ack callback to emit with an event.\n *\n * @api private\n */\n\nSocket.prototype.ack = function (id) {\n var self = this;\n var sent = false;\n return function () {\n // prevent double callbacks\n if (sent) return;\n sent = true;\n var args = toArray(arguments);\n\n\n self.packet({\n type: parser.ACK,\n id: id,\n data: args\n });\n };\n};\n\n/**\n * Called upon a server acknowlegement.\n *\n * @param {Object} packet\n * @api private\n */\n\nSocket.prototype.onack = function (packet) {\n var ack = this.acks[packet.id];\n if ('function' === typeof ack) {\n\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n } else {\n\n }\n};\n\n/**\n * Called upon server connect.\n *\n * @api private\n */\n\nSocket.prototype.onconnect = function () {\n this.connected = true;\n this.disconnected = false;\n this.emit('connect');\n this.emitBuffered();\n};\n\n/**\n * Emit buffered events (received and emitted).\n *\n * @api private\n */\n\nSocket.prototype.emitBuffered = function () {\n var i;\n for (i = 0; i < this.receiveBuffer.length; i++) {\n emit.apply(this, this.receiveBuffer[i]);\n }\n this.receiveBuffer = [];\n\n for (i = 0; i < this.sendBuffer.length; i++) {\n this.packet(this.sendBuffer[i]);\n }\n this.sendBuffer = [];\n};\n\n/**\n * Called upon server disconnect.\n *\n * @api private\n */\n\nSocket.prototype.ondisconnect = function () {\n\n this.destroy();\n this.onclose('io server disconnect');\n};\n\n/**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @api private.\n */\n\nSocket.prototype.destroy = function () {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n for (var i = 0; i < this.subs.length; i++) {\n this.subs[i].destroy();\n }\n this.subs = null;\n }\n\n this.io.destroy(this);\n};\n\n/**\n * Disconnects the socket manually.\n *\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.close =\nSocket.prototype.disconnect = function () {\n if (this.connected) {\n\n this.packet({ type: parser.DISCONNECT });\n }\n\n // remove socket from pool\n this.destroy();\n\n if (this.connected) {\n // fire events\n this.onclose('io client disconnect');\n }\n return this;\n};\n\n/**\n * Sets the compress flag.\n *\n * @param {Boolean} if `true`, compresses the sending data\n * @return {Socket} self\n * @api public\n */\n\nSocket.prototype.compress = function (compress) {\n this.flags = this.flags || {};\n this.flags.compress = compress;\n return this;\n};\n\n\n\n// WEBPACK FOOTER //\n// ./lib/socket.js","module.exports = toArray\n\nfunction toArray(list, index) {\n var array = []\n\n index = index || 0\n\n for (var i = index || 0; i < list.length; i++) {\n array[i - index] = list[i]\n }\n\n return array\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/to-array/index.js\n// module id = 35\n// module chunks = 0","\n/**\n * Module exports.\n */\n\nmodule.exports = on;\n\n/**\n * Helper for subscriptions.\n *\n * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`\n * @param {String} event name\n * @param {Function} callback\n * @api public\n */\n\nfunction on (obj, ev, fn) {\n obj.on(ev, fn);\n return {\n destroy: function () {\n obj.removeListener(ev, fn);\n }\n };\n}\n\n\n\n// WEBPACK FOOTER //\n// ./lib/on.js","/**\n * Slice reference.\n */\n\nvar slice = [].slice;\n\n/**\n * Bind `obj` to `fn`.\n *\n * @param {Object} obj\n * @param {Function|String} fn or string\n * @return {Function}\n * @api public\n */\n\nmodule.exports = function(obj, fn){\n if ('string' == typeof fn) fn = obj[fn];\n if ('function' != typeof fn) throw new Error('bind() requires a function');\n var args = slice.call(arguments, 2);\n return function(){\n return fn.apply(obj, args.concat(slice.call(arguments)));\n }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/component-bind/index.js\n// module id = 37\n// module chunks = 0","\n/**\n * Expose `Backoff`.\n */\n\nmodule.exports = Backoff;\n\n/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\n\nBackoff.prototype.duration = function(){\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\n\nBackoff.prototype.reset = function(){\n this.attempts = 0;\n};\n\n/**\n * Set the minimum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMin = function(min){\n this.ms = min;\n};\n\n/**\n * Set the maximum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMax = function(max){\n this.max = max;\n};\n\n/**\n * Set the jitter\n *\n * @api public\n */\n\nBackoff.prototype.setJitter = function(jitter){\n this.jitter = jitter;\n};\n\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/backo2/index.js\n// module id = 38\n// module chunks = 0"],"sourceRoot":""}
\ No newline at end of file diff --git a/node_modules/socket.io-client/lib/index.js b/node_modules/socket.io-client/lib/index.js new file mode 100644 index 0000000..6bc993c --- /dev/null +++ b/node_modules/socket.io-client/lib/index.js @@ -0,0 +1,94 @@ + +/** + * Module dependencies. + */ + +var url = require('./url'); +var parser = require('socket.io-parser'); +var Manager = require('./manager'); +var debug = require('debug')('socket.io-client'); + +/** + * Module exports. + */ + +module.exports = exports = lookup; + +/** + * Managers cache. + */ + +var cache = exports.managers = {}; + +/** + * Looks up an existing `Manager` for multiplexing. + * If the user summons: + * + * `io('http://localhost/a');` + * `io('http://localhost/b');` + * + * We reuse the existing instance based on same scheme/port/host, + * and we initialize sockets for each namespace. + * + * @api public + */ + +function lookup (uri, opts) { + if (typeof uri === 'object') { + opts = uri; + uri = undefined; + } + + opts = opts || {}; + + var parsed = url(uri); + var source = parsed.source; + var id = parsed.id; + var path = parsed.path; + var sameNamespace = cache[id] && path in cache[id].nsps; + var newConnection = opts.forceNew || opts['force new connection'] || + false === opts.multiplex || sameNamespace; + + var io; + + if (newConnection) { + debug('ignoring socket cache for %s', source); + io = Manager(source, opts); + } else { + if (!cache[id]) { + debug('new io instance for %s', source); + cache[id] = Manager(source, opts); + } + io = cache[id]; + } + if (parsed.query && !opts.query) { + opts.query = parsed.query; + } + return io.socket(parsed.path, opts); +} + +/** + * Protocol version. + * + * @api public + */ + +exports.protocol = parser.protocol; + +/** + * `connect`. + * + * @param {String} uri + * @api public + */ + +exports.connect = lookup; + +/** + * Expose constructors for standalone build. + * + * @api public + */ + +exports.Manager = require('./manager'); +exports.Socket = require('./socket'); diff --git a/node_modules/socket.io-client/lib/manager.js b/node_modules/socket.io-client/lib/manager.js new file mode 100644 index 0000000..e44bd6c --- /dev/null +++ b/node_modules/socket.io-client/lib/manager.js @@ -0,0 +1,573 @@ + +/** + * Module dependencies. + */ + +var eio = require('engine.io-client'); +var Socket = require('./socket'); +var Emitter = require('component-emitter'); +var parser = require('socket.io-parser'); +var on = require('./on'); +var bind = require('component-bind'); +var debug = require('debug')('socket.io-client:manager'); +var indexOf = require('indexof'); +var Backoff = require('backo2'); + +/** + * IE6+ hasOwnProperty + */ + +var has = Object.prototype.hasOwnProperty; + +/** + * Module exports + */ + +module.exports = Manager; + +/** + * `Manager` constructor. + * + * @param {String} engine instance or engine uri/opts + * @param {Object} options + * @api public + */ + +function Manager (uri, opts) { + if (!(this instanceof Manager)) return new Manager(uri, opts); + if (uri && ('object' === typeof uri)) { + opts = uri; + uri = undefined; + } + opts = opts || {}; + + opts.path = opts.path || '/socket.io'; + this.nsps = {}; + this.subs = []; + this.opts = opts; + this.reconnection(opts.reconnection !== false); + this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); + this.reconnectionDelay(opts.reconnectionDelay || 1000); + this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); + this.randomizationFactor(opts.randomizationFactor || 0.5); + this.backoff = new Backoff({ + min: this.reconnectionDelay(), + max: this.reconnectionDelayMax(), + jitter: this.randomizationFactor() + }); + this.timeout(null == opts.timeout ? 20000 : opts.timeout); + this.readyState = 'closed'; + this.uri = uri; + this.connecting = []; + this.lastPing = null; + this.encoding = false; + this.packetBuffer = []; + var _parser = opts.parser || parser; + this.encoder = new _parser.Encoder(); + this.decoder = new _parser.Decoder(); + this.autoConnect = opts.autoConnect !== false; + if (this.autoConnect) this.open(); +} + +/** + * Propagate given event to sockets and emit on `this` + * + * @api private + */ + +Manager.prototype.emitAll = function () { + this.emit.apply(this, arguments); + for (var nsp in this.nsps) { + if (has.call(this.nsps, nsp)) { + this.nsps[nsp].emit.apply(this.nsps[nsp], arguments); + } + } +}; + +/** + * Update `socket.id` of all sockets + * + * @api private + */ + +Manager.prototype.updateSocketIds = function () { + for (var nsp in this.nsps) { + if (has.call(this.nsps, nsp)) { + this.nsps[nsp].id = this.generateId(nsp); + } + } +}; + +/** + * generate `socket.id` for the given `nsp` + * + * @param {String} nsp + * @return {String} + * @api private + */ + +Manager.prototype.generateId = function (nsp) { + return (nsp === '/' ? '' : (nsp + '#')) + this.engine.id; +}; + +/** + * Mix in `Emitter`. + */ + +Emitter(Manager.prototype); + +/** + * Sets the `reconnection` config. + * + * @param {Boolean} true/false if it should automatically reconnect + * @return {Manager} self or value + * @api public + */ + +Manager.prototype.reconnection = function (v) { + if (!arguments.length) return this._reconnection; + this._reconnection = !!v; + return this; +}; + +/** + * Sets the reconnection attempts config. + * + * @param {Number} max reconnection attempts before giving up + * @return {Manager} self or value + * @api public + */ + +Manager.prototype.reconnectionAttempts = function (v) { + if (!arguments.length) return this._reconnectionAttempts; + this._reconnectionAttempts = v; + return this; +}; + +/** + * Sets the delay between reconnections. + * + * @param {Number} delay + * @return {Manager} self or value + * @api public + */ + +Manager.prototype.reconnectionDelay = function (v) { + if (!arguments.length) return this._reconnectionDelay; + this._reconnectionDelay = v; + this.backoff && this.backoff.setMin(v); + return this; +}; + +Manager.prototype.randomizationFactor = function (v) { + if (!arguments.length) return this._randomizationFactor; + this._randomizationFactor = v; + this.backoff && this.backoff.setJitter(v); + return this; +}; + +/** + * Sets the maximum delay between reconnections. + * + * @param {Number} delay + * @return {Manager} self or value + * @api public + */ + +Manager.prototype.reconnectionDelayMax = function (v) { + if (!arguments.length) return this._reconnectionDelayMax; + this._reconnectionDelayMax = v; + this.backoff && this.backoff.setMax(v); + return this; +}; + +/** + * Sets the connection timeout. `false` to disable + * + * @return {Manager} self or value + * @api public + */ + +Manager.prototype.timeout = function (v) { + if (!arguments.length) return this._timeout; + this._timeout = v; + return this; +}; + +/** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @api private + */ + +Manager.prototype.maybeReconnectOnOpen = function () { + // Only try to reconnect if it's the first time we're connecting + if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) { + // keeps reconnection from firing twice for the same reconnection loop + this.reconnect(); + } +}; + +/** + * Sets the current transport `socket`. + * + * @param {Function} optional, callback + * @return {Manager} self + * @api public + */ + +Manager.prototype.open = +Manager.prototype.connect = function (fn, opts) { + debug('readyState %s', this.readyState); + if (~this.readyState.indexOf('open')) return this; + + debug('opening %s', this.uri); + this.engine = eio(this.uri, this.opts); + var socket = this.engine; + var self = this; + this.readyState = 'opening'; + this.skipReconnect = false; + + // emit `open` + var openSub = on(socket, 'open', function () { + self.onopen(); + fn && fn(); + }); + + // emit `connect_error` + var errorSub = on(socket, 'error', function (data) { + debug('connect_error'); + self.cleanup(); + self.readyState = 'closed'; + self.emitAll('connect_error', data); + if (fn) { + var err = new Error('Connection error'); + err.data = data; + fn(err); + } else { + // Only do this if there is no fn to handle the error + self.maybeReconnectOnOpen(); + } + }); + + // emit `connect_timeout` + if (false !== this._timeout) { + var timeout = this._timeout; + debug('connect attempt will timeout after %d', timeout); + + // set timer + var timer = setTimeout(function () { + debug('connect attempt timed out after %d', timeout); + openSub.destroy(); + socket.close(); + socket.emit('error', 'timeout'); + self.emitAll('connect_timeout', timeout); + }, timeout); + + this.subs.push({ + destroy: function () { + clearTimeout(timer); + } + }); + } + + this.subs.push(openSub); + this.subs.push(errorSub); + + return this; +}; + +/** + * Called upon transport open. + * + * @api private + */ + +Manager.prototype.onopen = function () { + debug('open'); + + // clear old subs + this.cleanup(); + + // mark as open + this.readyState = 'open'; + this.emit('open'); + + // add new subs + var socket = this.engine; + this.subs.push(on(socket, 'data', bind(this, 'ondata'))); + this.subs.push(on(socket, 'ping', bind(this, 'onping'))); + this.subs.push(on(socket, 'pong', bind(this, 'onpong'))); + this.subs.push(on(socket, 'error', bind(this, 'onerror'))); + this.subs.push(on(socket, 'close', bind(this, 'onclose'))); + this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded'))); +}; + +/** + * Called upon a ping. + * + * @api private + */ + +Manager.prototype.onping = function () { + this.lastPing = new Date(); + this.emitAll('ping'); +}; + +/** + * Called upon a packet. + * + * @api private + */ + +Manager.prototype.onpong = function () { + this.emitAll('pong', new Date() - this.lastPing); +}; + +/** + * Called with data. + * + * @api private + */ + +Manager.prototype.ondata = function (data) { + this.decoder.add(data); +}; + +/** + * Called when parser fully decodes a packet. + * + * @api private + */ + +Manager.prototype.ondecoded = function (packet) { + this.emit('packet', packet); +}; + +/** + * Called upon socket error. + * + * @api private + */ + +Manager.prototype.onerror = function (err) { + debug('error', err); + this.emitAll('error', err); +}; + +/** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @api public + */ + +Manager.prototype.socket = function (nsp, opts) { + var socket = this.nsps[nsp]; + if (!socket) { + socket = new Socket(this, nsp, opts); + this.nsps[nsp] = socket; + var self = this; + socket.on('connecting', onConnecting); + socket.on('connect', function () { + socket.id = self.generateId(nsp); + }); + + if (this.autoConnect) { + // manually call here since connecting event is fired before listening + onConnecting(); + } + } + + function onConnecting () { + if (!~indexOf(self.connecting, socket)) { + self.connecting.push(socket); + } + } + + return socket; +}; + +/** + * Called upon a socket close. + * + * @param {Socket} socket + */ + +Manager.prototype.destroy = function (socket) { + var index = indexOf(this.connecting, socket); + if (~index) this.connecting.splice(index, 1); + if (this.connecting.length) return; + + this.close(); +}; + +/** + * Writes a packet. + * + * @param {Object} packet + * @api private + */ + +Manager.prototype.packet = function (packet) { + debug('writing packet %j', packet); + var self = this; + if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query; + + if (!self.encoding) { + // encode, then write to engine with result + self.encoding = true; + this.encoder.encode(packet, function (encodedPackets) { + for (var i = 0; i < encodedPackets.length; i++) { + self.engine.write(encodedPackets[i], packet.options); + } + self.encoding = false; + self.processPacketQueue(); + }); + } else { // add packet to the queue + self.packetBuffer.push(packet); + } +}; + +/** + * If packet buffer is non-empty, begins encoding the + * next packet in line. + * + * @api private + */ + +Manager.prototype.processPacketQueue = function () { + if (this.packetBuffer.length > 0 && !this.encoding) { + var pack = this.packetBuffer.shift(); + this.packet(pack); + } +}; + +/** + * Clean up transport subscriptions and packet buffer. + * + * @api private + */ + +Manager.prototype.cleanup = function () { + debug('cleanup'); + + var subsLength = this.subs.length; + for (var i = 0; i < subsLength; i++) { + var sub = this.subs.shift(); + sub.destroy(); + } + + this.packetBuffer = []; + this.encoding = false; + this.lastPing = null; + + this.decoder.destroy(); +}; + +/** + * Close the current socket. + * + * @api private + */ + +Manager.prototype.close = +Manager.prototype.disconnect = function () { + debug('disconnect'); + this.skipReconnect = true; + this.reconnecting = false; + if ('opening' === this.readyState) { + // `onclose` will not fire because + // an open event never happened + this.cleanup(); + } + this.backoff.reset(); + this.readyState = 'closed'; + if (this.engine) this.engine.close(); +}; + +/** + * Called upon engine close. + * + * @api private + */ + +Manager.prototype.onclose = function (reason) { + debug('onclose'); + + this.cleanup(); + this.backoff.reset(); + this.readyState = 'closed'; + this.emit('close', reason); + + if (this._reconnection && !this.skipReconnect) { + this.reconnect(); + } +}; + +/** + * Attempt a reconnection. + * + * @api private + */ + +Manager.prototype.reconnect = function () { + if (this.reconnecting || this.skipReconnect) return this; + + var self = this; + + if (this.backoff.attempts >= this._reconnectionAttempts) { + debug('reconnect failed'); + this.backoff.reset(); + this.emitAll('reconnect_failed'); + this.reconnecting = false; + } else { + var delay = this.backoff.duration(); + debug('will wait %dms before reconnect attempt', delay); + + this.reconnecting = true; + var timer = setTimeout(function () { + if (self.skipReconnect) return; + + debug('attempting reconnect'); + self.emitAll('reconnect_attempt', self.backoff.attempts); + self.emitAll('reconnecting', self.backoff.attempts); + + // check again for the case socket closed in above events + if (self.skipReconnect) return; + + self.open(function (err) { + if (err) { + debug('reconnect attempt error'); + self.reconnecting = false; + self.reconnect(); + self.emitAll('reconnect_error', err.data); + } else { + debug('reconnect success'); + self.onreconnect(); + } + }); + }, delay); + + this.subs.push({ + destroy: function () { + clearTimeout(timer); + } + }); + } +}; + +/** + * Called upon successful reconnect. + * + * @api private + */ + +Manager.prototype.onreconnect = function () { + var attempt = this.backoff.attempts; + this.reconnecting = false; + this.backoff.reset(); + this.updateSocketIds(); + this.emitAll('reconnect', attempt); +}; diff --git a/node_modules/socket.io-client/lib/on.js b/node_modules/socket.io-client/lib/on.js new file mode 100644 index 0000000..fad9264 --- /dev/null +++ b/node_modules/socket.io-client/lib/on.js @@ -0,0 +1,24 @@ + +/** + * Module exports. + */ + +module.exports = on; + +/** + * Helper for subscriptions. + * + * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter` + * @param {String} event name + * @param {Function} callback + * @api public + */ + +function on (obj, ev, fn) { + obj.on(ev, fn); + return { + destroy: function () { + obj.removeListener(ev, fn); + } + }; +} diff --git a/node_modules/socket.io-client/lib/socket.js b/node_modules/socket.io-client/lib/socket.js new file mode 100644 index 0000000..702c602 --- /dev/null +++ b/node_modules/socket.io-client/lib/socket.js @@ -0,0 +1,418 @@ + +/** + * Module dependencies. + */ + +var parser = require('socket.io-parser'); +var Emitter = require('component-emitter'); +var toArray = require('to-array'); +var on = require('./on'); +var bind = require('component-bind'); +var debug = require('debug')('socket.io-client:socket'); +var parseqs = require('parseqs'); + +/** + * Module exports. + */ + +module.exports = exports = Socket; + +/** + * Internal events (blacklisted). + * These events can't be emitted by the user. + * + * @api private + */ + +var events = { + 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 +}; + +/** + * Shortcut to `Emitter#emit`. + */ + +var emit = Emitter.prototype.emit; + +/** + * `Socket` constructor. + * + * @api public + */ + +function Socket (io, nsp, opts) { + this.io = io; + this.nsp = nsp; + this.json = this; // compat + this.ids = 0; + this.acks = {}; + this.receiveBuffer = []; + this.sendBuffer = []; + this.connected = false; + this.disconnected = true; + if (opts && opts.query) { + this.query = opts.query; + } + if (this.io.autoConnect) this.open(); +} + +/** + * Mix in `Emitter`. + */ + +Emitter(Socket.prototype); + +/** + * Subscribe to open, close and packet events + * + * @api private + */ + +Socket.prototype.subEvents = function () { + if (this.subs) return; + + var io = this.io; + this.subs = [ + on(io, 'open', bind(this, 'onopen')), + on(io, 'packet', bind(this, 'onpacket')), + on(io, 'close', bind(this, 'onclose')) + ]; +}; + +/** + * "Opens" the socket. + * + * @api public + */ + +Socket.prototype.open = +Socket.prototype.connect = function () { + if (this.connected) return this; + + this.subEvents(); + this.io.open(); // ensure open + if ('open' === this.io.readyState) this.onopen(); + this.emit('connecting'); + return this; +}; + +/** + * Sends a `message` event. + * + * @return {Socket} self + * @api public + */ + +Socket.prototype.send = function () { + var args = toArray(arguments); + args.unshift('message'); + this.emit.apply(this, args); + return this; +}; + +/** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @param {String} event name + * @return {Socket} self + * @api public + */ + +Socket.prototype.emit = function (ev) { + if (events.hasOwnProperty(ev)) { + emit.apply(this, arguments); + return this; + } + + var args = toArray(arguments); + var packet = { type: parser.EVENT, data: args }; + + packet.options = {}; + packet.options.compress = !this.flags || false !== this.flags.compress; + + // event ack callback + if ('function' === typeof args[args.length - 1]) { + debug('emitting packet with ack id %d', this.ids); + this.acks[this.ids] = args.pop(); + packet.id = this.ids++; + } + + if (this.connected) { + this.packet(packet); + } else { + this.sendBuffer.push(packet); + } + + delete this.flags; + + return this; +}; + +/** + * Sends a packet. + * + * @param {Object} packet + * @api private + */ + +Socket.prototype.packet = function (packet) { + packet.nsp = this.nsp; + this.io.packet(packet); +}; + +/** + * Called upon engine `open`. + * + * @api private + */ + +Socket.prototype.onopen = function () { + debug('transport is open - connecting'); + + // write connect packet if necessary + if ('/' !== this.nsp) { + if (this.query) { + var query = typeof this.query === 'object' ? parseqs.encode(this.query) : this.query; + debug('sending connect packet with query %s', query); + this.packet({type: parser.CONNECT, query: query}); + } else { + this.packet({type: parser.CONNECT}); + } + } +}; + +/** + * Called upon engine `close`. + * + * @param {String} reason + * @api private + */ + +Socket.prototype.onclose = function (reason) { + debug('close (%s)', reason); + this.connected = false; + this.disconnected = true; + delete this.id; + this.emit('disconnect', reason); +}; + +/** + * Called with socket packet. + * + * @param {Object} packet + * @api private + */ + +Socket.prototype.onpacket = function (packet) { + if (packet.nsp !== this.nsp) return; + + switch (packet.type) { + case parser.CONNECT: + this.onconnect(); + break; + + case parser.EVENT: + this.onevent(packet); + break; + + case parser.BINARY_EVENT: + this.onevent(packet); + break; + + case parser.ACK: + this.onack(packet); + break; + + case parser.BINARY_ACK: + this.onack(packet); + break; + + case parser.DISCONNECT: + this.ondisconnect(); + break; + + case parser.ERROR: + this.emit('error', packet.data); + break; + } +}; + +/** + * Called upon a server event. + * + * @param {Object} packet + * @api private + */ + +Socket.prototype.onevent = function (packet) { + var args = packet.data || []; + debug('emitting event %j', args); + + if (null != packet.id) { + debug('attaching ack callback to event'); + args.push(this.ack(packet.id)); + } + + if (this.connected) { + emit.apply(this, args); + } else { + this.receiveBuffer.push(args); + } +}; + +/** + * Produces an ack callback to emit with an event. + * + * @api private + */ + +Socket.prototype.ack = function (id) { + var self = this; + var sent = false; + return function () { + // prevent double callbacks + if (sent) return; + sent = true; + var args = toArray(arguments); + debug('sending ack %j', args); + + self.packet({ + type: parser.ACK, + id: id, + data: args + }); + }; +}; + +/** + * Called upon a server acknowlegement. + * + * @param {Object} packet + * @api private + */ + +Socket.prototype.onack = function (packet) { + var ack = this.acks[packet.id]; + if ('function' === typeof ack) { + debug('calling ack %s with %j', packet.id, packet.data); + ack.apply(this, packet.data); + delete this.acks[packet.id]; + } else { + debug('bad ack %s', packet.id); + } +}; + +/** + * Called upon server connect. + * + * @api private + */ + +Socket.prototype.onconnect = function () { + this.connected = true; + this.disconnected = false; + this.emit('connect'); + this.emitBuffered(); +}; + +/** + * Emit buffered events (received and emitted). + * + * @api private + */ + +Socket.prototype.emitBuffered = function () { + var i; + for (i = 0; i < this.receiveBuffer.length; i++) { + emit.apply(this, this.receiveBuffer[i]); + } + this.receiveBuffer = []; + + for (i = 0; i < this.sendBuffer.length; i++) { + this.packet(this.sendBuffer[i]); + } + this.sendBuffer = []; +}; + +/** + * Called upon server disconnect. + * + * @api private + */ + +Socket.prototype.ondisconnect = function () { + debug('server disconnect (%s)', this.nsp); + this.destroy(); + this.onclose('io server disconnect'); +}; + +/** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @api private. + */ + +Socket.prototype.destroy = function () { + if (this.subs) { + // clean subscriptions to avoid reconnections + for (var i = 0; i < this.subs.length; i++) { + this.subs[i].destroy(); + } + this.subs = null; + } + + this.io.destroy(this); +}; + +/** + * Disconnects the socket manually. + * + * @return {Socket} self + * @api public + */ + +Socket.prototype.close = +Socket.prototype.disconnect = function () { + if (this.connected) { + debug('performing disconnect (%s)', this.nsp); + this.packet({ type: parser.DISCONNECT }); + } + + // remove socket from pool + this.destroy(); + + if (this.connected) { + // fire events + this.onclose('io client disconnect'); + } + return this; +}; + +/** + * Sets the compress flag. + * + * @param {Boolean} if `true`, compresses the sending data + * @return {Socket} self + * @api public + */ + +Socket.prototype.compress = function (compress) { + this.flags = this.flags || {}; + this.flags.compress = compress; + return this; +}; diff --git a/node_modules/socket.io-client/lib/url.js b/node_modules/socket.io-client/lib/url.js new file mode 100644 index 0000000..8bac542 --- /dev/null +++ b/node_modules/socket.io-client/lib/url.js @@ -0,0 +1,75 @@ + +/** + * Module dependencies. + */ + +var parseuri = require('parseuri'); +var debug = require('debug')('socket.io-client:url'); + +/** + * Module exports. + */ + +module.exports = url; + +/** + * URL parser. + * + * @param {String} url + * @param {Object} An object meant to mimic window.location. + * Defaults to window.location. + * @api public + */ + +function url (uri, loc) { + var obj = uri; + + // default to window.location + loc = loc || global.location; + if (null == uri) uri = loc.protocol + '//' + loc.host; + + // relative path support + if ('string' === typeof uri) { + if ('/' === uri.charAt(0)) { + if ('/' === uri.charAt(1)) { + uri = loc.protocol + uri; + } else { + uri = loc.host + uri; + } + } + + if (!/^(https?|wss?):\/\//.test(uri)) { + debug('protocol-less url %s', uri); + if ('undefined' !== typeof loc) { + uri = loc.protocol + '//' + uri; + } else { + uri = 'https://' + uri; + } + } + + // parse + debug('parse %s', uri); + obj = parseuri(uri); + } + + // make sure we treat `localhost:80` and `localhost` equally + if (!obj.port) { + if (/^(http|ws)$/.test(obj.protocol)) { + obj.port = '80'; + } else if (/^(http|ws)s$/.test(obj.protocol)) { + obj.port = '443'; + } + } + + obj.path = obj.path || '/'; + + var ipv6 = obj.host.indexOf(':') !== -1; + var host = ipv6 ? '[' + obj.host + ']' : obj.host; + + // define unique id + obj.id = obj.protocol + '://' + host + ':' + obj.port; + // define href + obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : (':' + obj.port)); + + return obj; +} diff --git a/node_modules/socket.io-client/package.json b/node_modules/socket.io-client/package.json new file mode 100644 index 0000000..0cbf91c --- /dev/null +++ b/node_modules/socket.io-client/package.json @@ -0,0 +1,154 @@ +{ + "_args": [ + [ + { + "raw": "socket.io-client@2.0.4", + "scope": null, + "escapedName": "socket.io-client", + "name": "socket.io-client", + "rawSpec": "2.0.4", + "spec": "2.0.4", + "type": "version" + }, + "/mnt/e/Yaroslav/Documents/Webs/nodejs/checkers/node_modules/socket.io" + ] + ], + "_from": "socket.io-client@2.0.4", + "_id": "socket.io-client@2.0.4", + "_inCache": true, + "_location": "/socket.io-client", + "_nodeVersion": "6.10.3", + "_npmOperationalInternal": { + "host": "s3://npm-registry-packages", + "tmp": "tmp/socket.io-client-2.0.4.tgz_1508678250106_0.6112264129333198" + }, + "_npmUser": { + "name": "darrachequesne", + "email": "damien.arrachequesne@gmail.com" + }, + "_npmVersion": "3.10.10", + "_phantomChildren": {}, + "_requested": { + "raw": "socket.io-client@2.0.4", + "scope": null, + "escapedName": "socket.io-client", + "name": "socket.io-client", + "rawSpec": "2.0.4", + "spec": "2.0.4", + "type": "version" + }, + "_requiredBy": [ + "/socket.io" + ], + "_resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.0.4.tgz", + "_shasum": "0918a552406dc5e540b380dcd97afc4a64332f8e", + "_shrinkwrap": null, + "_spec": "socket.io-client@2.0.4", + "_where": "/mnt/e/Yaroslav/Documents/Webs/nodejs/checkers/node_modules/socket.io", + "bugs": { + "url": "https://github.com/Automattic/socket.io-client/issues" + }, + "contributors": [ + { + "name": "Guillermo Rauch", + "email": "rauchg@gmail.com" + }, + { + "name": "Arnout Kazemier", + "email": "info@3rd-eden.com" + }, + { + "name": "Vladimir Dronnikov", + "email": "dronnikov@gmail.com" + }, + { + "name": "Einar Otto Stangvik", + "email": "einaros@gmail.com" + } + ], + "dependencies": { + "backo2": "1.0.2", + "base64-arraybuffer": "0.1.5", + "component-bind": "1.0.0", + "component-emitter": "1.2.1", + "debug": "~2.6.4", + "engine.io-client": "~3.1.0", + "has-cors": "1.1.0", + "indexof": "0.0.1", + "object-component": "0.0.3", + "parseqs": "0.0.5", + "parseuri": "0.0.5", + "socket.io-parser": "~3.1.1", + "to-array": "0.1.4" + }, + "description": "[](http://travis-ci.org/socketio/socket.io-client) [](https://david-dm.org/socketio/socket.io-", + "devDependencies": { + "babel-core": "^6.24.1", + "babel-eslint": "4.1.7", + "babel-loader": "7.0.0", + "babel-preset-es2015": "6.24.1", + "concat-stream": "^1.6.0", + "derequire": "^2.0.6", + "eslint-config-standard": "4.4.0", + "eslint-plugin-standard": "1.3.1", + "expect.js": "0.3.1", + "gulp": "^3.9.1", + "gulp-eslint": "1.1.1", + "gulp-file": "^0.3.0", + "gulp-istanbul": "^1.1.1", + "gulp-mocha": "^4.3.1", + "gulp-task-listing": "1.0.1", + "imports-loader": "^0.7.1", + "istanbul": "^0.4.5", + "mocha": "^3.3.0", + "socket.io": "2.0.4", + "strip-loader": "0.1.2", + "text-blob-builder": "0.0.1", + "webpack-stream": "3.2.0", + "zuul": "^3.11.1 ", + "zuul-builder-webpack": "^1.2.0", + "zuul-ngrok": "4.0.0" + }, + "directories": {}, + "dist": { + "shasum": "0918a552406dc5e540b380dcd97afc4a64332f8e", + "tarball": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.0.4.tgz" + }, + "files": [ + "lib/", + "dist/" + ], + "gitHead": "ebb0596ab03cc97e26d3847794c296693f02eca8", + "homepage": "https://github.com/Automattic/socket.io-client#readme", + "keywords": [ + "realtime", + "framework", + "websocket", + "tcp", + "events", + "client" + ], + "license": "MIT", + "main": "./lib/index", + "maintainers": [ + { + "name": "darrachequesne", + "email": "damien.arrachequesne@gmail.com" + }, + { + "name": "rauchg", + "email": "rauchg@gmail.com" + } + ], + "name": "socket.io-client", + "optionalDependencies": {}, + "readme": "ERROR: No README data found!", + "repository": { + "type": "git", + "url": "git+https://github.com/Automattic/socket.io-client.git" + }, + "scripts": { + "test": "gulp test" + }, + "version": "2.0.4" +} |