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e(g,h){if(!b[g]){if(!a[g]){var i=typeof require=="function"&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);throw new Error("Cannot find module '"+g+"'")}var j=b[g]={exports:{}};a[g][0].call(j.exports,function(b){var c=a[g][1][b];return e(c?c:b)},j,j.exports,d,a,b,c)}return b[g].exports}var f=typeof require=="function"&&require;for(var g=0;g<c.length;g++)e(c[g]);return e}({1:[function(a,b,c){b.exports=a("./lib/")},{"./lib/":2}],2:[function(a,b,c){var d=a("./url");var e=a("socket.io-parser");var f=a("./manager");var g=a("debug")("socket.io-client");b.exports=c=i;var h=c.managers={};function i(a,b){if(typeof a=="object"){b=a;a=undefined}b=b||{};var c=d(a);var e=c.source;var i=c.id;var j;if(b.forceNew||b["force new connection"]||false===b.multiplex){g("ignoring socket cache for %s",e);j=f(e,b)}else{if(!h[i]){g("new io instance for %s",e);h[i]=f(e,b)}j=h[i]}return 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h.Encoder;this.decoder=new h.Decoder;this.open()}m.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var a in this.nsps){this.nsps[a].emit.apply(this.nsps[a],arguments)}};g(m.prototype);m.prototype.reconnection=function(a){if(!arguments.length)return this._reconnection;this._reconnection=!!a;return this};m.prototype.reconnectionAttempts=function(a){if(!arguments.length)return this._reconnectionAttempts;this._reconnectionAttempts=a;return this};m.prototype.reconnectionDelay=function(a){if(!arguments.length)return this._reconnectionDelay;this._reconnectionDelay=a;return this};m.prototype.reconnectionDelayMax=function(a){if(!arguments.length)return this._reconnectionDelayMax;this._reconnectionDelayMax=a;return this};m.prototype.timeout=function(a){if(!arguments.length)return this._timeout;this._timeout=a;return this};m.prototype.maybeReconnectOnOpen=function(){if(!this.openReconnect&&!this.reconnecting&&this._reconnection){this.openReconnect=true;this.reconnect()}};m.prototype.open=m.prototype.connect=function(a){l("readyState %s",this.readyState);if(~this.readyState.indexOf("open"))return this;l("opening %s",this.uri);this.engine=e(this.uri,this.opts);var b=this.engine;var c=this;this.readyState="opening";var d=i(b,"open",function(){c.onopen();a&&a()});var f=i(b,"error",function(b){l("connect_error");c.cleanup();c.readyState="closed";c.emitAll("connect_error",b);if(a){var d=new Error("Connection error");d.data=b;a(d)}c.maybeReconnectOnOpen()});if(false!==this._timeout){var g=this._timeout;l("connect attempt will timeout after %d",g);var h=setTimeout(function(){l("connect attempt timed out after %d",g);d.destroy();b.close();b.emit("error","timeout");c.emitAll("connect_timeout",g)},g);this.subs.push({destroy:function(){clearTimeout(h)}})}this.subs.push(d);this.subs.push(f);return this};m.prototype.onopen=function(){l("open");this.cleanup();this.readyState="open";this.emit("open");var a=this.engine;this.subs.push(i(a,"data",j(this,"ondata")));this.subs.push(i(this.decoder,"decoded",j(this,"ondecoded")));this.subs.push(i(a,"error",j(this,"onerror")));this.subs.push(i(a,"close",j(this,"onclose")))};m.prototype.ondata=function(a){this.decoder.add(a)};m.prototype.ondecoded=function(a){this.emit("packet",a)};m.prototype.onerror=function(a){l("error",a);this.emitAll("error",a)};m.prototype.socket=function(a){var b=this.nsps[a];if(!b){b=new f(this,a);this.nsps[a]=b;var c=this;b.on("connect",function(){c.connected++})}return b};m.prototype.destroy=function(a){--this.connected||this.close()};m.prototype.packet=function(a){l("writing packet %j",a);var b=this;if(!b.encoding){b.encoding=true;this.encoder.encode(a,function(a){for(var 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attempt",b);this.reconnecting=true;var c=setTimeout(function(){l("attempting reconnect");a.emitAll("reconnect_attempt",a.attempts);a.emitAll("reconnecting",a.attempts);a.open(function(b){if(b){l("reconnect attempt error");a.reconnecting=false;a.reconnect();a.emitAll("reconnect_error",b.data)}else{l("reconnect success");a.onreconnect()}})},b);this.subs.push({destroy:function(){clearTimeout(c)}})}};m.prototype.onreconnect=function(){var a=this.attempts;this.attempts=0;this.reconnecting=false;this.emitAll("reconnect",a)}},{"./on":4,"./socket":5,"./url":6,"component-bind":7,"component-emitter":8,debug:9,"engine.io-client":11,"object-component":37,"socket.io-parser":40}],4:[function(a,b,c){b.exports=d;function d(a,b,c){a.on(b,c);return{destroy:function(){a.removeListener(b,c)}}}},{}],5:[function(a,b,c){var d=a("socket.io-parser");var e=a("component-emitter");var f=a("to-array");var g=a("./on");var h=a("component-bind");var i=a("debug")("socket.io-client:socket");var j=a("has-binary-data");var k=a("indexof");b.exports=c=n;var l={connect:1,connect_error:1,connect_timeout:1,disconnect:1,error:1,reconnect:1,reconnect_attempt:1,reconnect_failed:1,reconnect_error:1,reconnecting:1};var m=e.prototype.emit;function n(a,b){this.io=a;this.nsp=b;this.json=this;this.ids=0;this.acks={};this.open();this.receiveBuffer=[];this.sendBuffer=[];this.connected=false;this.disconnected=true;this.subEvents()}e(n.prototype);n.prototype.subEvents=function(){var a=this.io;this.subs=[g(a,"open",h(this,"onopen")),g(a,"packet",h(this,"onpacket")),g(a,"close",h(this,"onclose"))]
};n.prototype.open=n.prototype.connect=function(){if(this.connected)return this;this.io.open();if("open"==this.io.readyState)this.onopen();return this};n.prototype.send=function(){var a=f(arguments);a.unshift("message");this.emit.apply(this,a);return this};n.prototype.emit=function(a){if(l.hasOwnProperty(a)){m.apply(this,arguments);return this}var b=f(arguments);var c=d.EVENT;if(j(b)){c=d.BINARY_EVENT}var e={type:c,data:b};if("function"==typeof b[b.length-1]){i("emitting packet with ack id %d",this.ids);this.acks[this.ids]=b.pop();e.id=this.ids++}if(this.connected){this.packet(e)}else{this.sendBuffer.push(e)}return this};n.prototype.packet=function(a){a.nsp=this.nsp;this.io.packet(a)};n.prototype.onopen=function(){i("transport is open - connecting");if("/"!=this.nsp){this.packet({type:d.CONNECT})}};n.prototype.onclose=function(a){i("close (%s)",a);this.connected=false;this.disconnected=true;this.emit("disconnect",a)};n.prototype.onpacket=function(a){if(a.nsp!=this.nsp)return;switch(a.type){case d.CONNECT:this.onconnect();break;case d.EVENT:this.onevent(a);break;case d.BINARY_EVENT:this.onevent(a);break;case d.ACK:this.onack(a);break;case d.BINARY_ACK:this.onack(a);break;case d.DISCONNECT:this.ondisconnect();break;case d.ERROR:this.emit("error",a.data);break}};n.prototype.onevent=function(a){var b=a.data||[];i("emitting event %j",b);if(null!=a.id){i("attaching ack callback to event");b.push(this.ack(a.id))}if(this.connected){m.apply(this,b)}else{this.receiveBuffer.push(b)}};n.prototype.ack=function(a){var b=this;var c=false;return function(){if(c)return;c=true;var e=f(arguments);i("sending ack %j",e);var g=j(e)?d.BINARY_ACK:d.ACK;b.packet({type:g,id:a,data:e})}};n.prototype.onack=function(a){i("calling ack %s with %j",a.id,a.data);var b=this.acks[a.id];b.apply(this,a.data);delete this.acks[a.id]};n.prototype.onconnect=function(){this.connected=true;this.disconnected=false;this.emit("connect");this.emitBuffered()};n.prototype.emitBuffered=function(){var a;for(a=0;a<this.receiveBuffer.length;a++){m.apply(this,this.receiveBuffer[a])}this.receiveBuffer=[];for(a=0;a<this.sendBuffer.length;a++){this.packet(this.sendBuffer[a])}this.sendBuffer=[]};n.prototype.ondisconnect=function(){i("server disconnect (%s)",this.nsp);this.destroy();this.onclose("io server disconnect")};n.prototype.destroy=function(){for(var a=0;a<this.subs.length;a++){this.subs[a].destroy()}this.io.destroy(this)};n.prototype.close=n.prototype.disconnect=function(){if(!this.connected)return this;i("performing disconnect (%s)",this.nsp);this.packet({type:d.DISCONNECT});this.destroy();this.onclose("io client disconnect");return this}},{"./on":4,"component-bind":7,"component-emitter":8,debug:9,"has-binary-data":32,indexof:36,"socket.io-parser":40,"to-array":43}],6:[function(a,b,c){var d=typeof self!=="undefined"?self:typeof window!=="undefined"?window:{};var e=a("parseuri");var f=a("debug")("socket.io-client:url");b.exports=g;function g(a,b){var c=a;var b=b||d.location;if(null==a)a=b.protocol+"//"+b.hostname;if("string"==typeof a){if("/"==a.charAt(0)){if("undefined"!=typeof b){a=b.hostname+a}}if(!/^(https?|wss?):\/\//.test(a)){f("protocol-less url %s",a);if("undefined"!=typeof b){a=b.protocol+"//"+a}else{a="https://"+a}}f("parse %s",a);c=e(a)}if(!c.port){if(/^(http|ws)$/.test(c.protocol)){c.port="80"}else if(/^(http|ws)s$/.test(c.protocol)){c.port="443"}}c.path=c.path||"/";c.id=c.protocol+"://"+c.host+":"+c.port;c.href=c.protocol+"://"+c.host+(b&&b.port==c.port?"":":"+c.port);return c}},{debug:9,parseuri:38}],7:[function(a,b,c){var d=[].slice;b.exports=function(a,b){if("string"==typeof b)b=a[b];if("function"!=typeof b)throw new Error("bind() requires a function");var c=d.call(arguments,2);return function(){return b.apply(a,c.concat(d.call(arguments)))}}},{}],8:[function(a,b,c){b.exports=d;function d(a){if(a)return e(a)}function e(a){for(var b in d.prototype){a[b]=d.prototype[b]}return a}d.prototype.on=d.prototype.addEventListener=function(a,b){this._callbacks=this._callbacks||{};(this._callbacks[a]=this._callbacks[a]||[]).push(b);return this};d.prototype.once=function(a,b){var c=this;this._callbacks=this._callbacks||{};function d(){c.off(a,d);b.apply(this,arguments)}d.fn=b;this.on(a,d);return this};d.prototype.off=d.prototype.removeListener=d.prototype.removeAllListeners=d.prototype.removeEventListener=function(a,b){this._callbacks=this._callbacks||{};if(0==arguments.length){this._callbacks={};return this}var c=this._callbacks[a];if(!c)return this;if(1==arguments.length){delete this._callbacks[a];return this}var d;for(var e=0;e<c.length;e++){d=c[e];if(d===b||d.fn===b){c.splice(e,1);break}}return this};d.prototype.emit=function(a){this._callbacks=this._callbacks||{};var b=[].slice.call(arguments,1),c=this._callbacks[a];if(c){c=c.slice(0);for(var d=0,e=c.length;d<e;++d){c[d].apply(this,b)}}return this};d.prototype.listeners=function(a){this._callbacks=this._callbacks||{};return this._callbacks[a]||[]};d.prototype.hasListeners=function(a){return!!this.listeners(a).length}},{}],9:[function(a,b,c){b.exports=d;function d(a){if(!d.enabled(a))return function(){};return function(b){b=e(b);var c=new Date;var f=c-(d[a]||c);d[a]=c;b=a+" "+b+" +"+d.humanize(f);window.console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}}d.names=[];d.skips=[];d.enable=function(a){try{localStorage.debug=a}catch(b){}var c=(a||"").split(/[\s,]+/),e=c.length;for(var f=0;f<e;f++){a=c[f].replace("*",".*?");if(a[0]==="-"){d.skips.push(new RegExp("^"+a.substr(1)+"$"))}else{d.names.push(new RegExp("^"+a+"$"))}}};d.disable=function(){d.enable("")};d.humanize=function(a){var b=1e3,c=60*1e3,d=60*c;if(a>=d)return(a/d).toFixed(1)+"h";if(a>=c)return(a/c).toFixed(1)+"m";if(a>=b)return(a/b|0)+"s";return a+"ms"};d.enabled=function(a){for(var b=0,c=d.skips.length;b<c;b++){if(d.skips[b].test(a)){return false}}for(var b=0,c=d.names.length;b<c;b++){if(d.names[b].test(a)){return true}}return false};function e(a){if(a instanceof Error)return a.stack||a.message;return a}try{if(window.localStorage)d.enable(localStorage.debug)}catch(f){}},{}],10:[function(a,b,c){var d=a("indexof");b.exports=e;function e(a){if(a)return f(a)}function f(a){for(var b in e.prototype){a[b]=e.prototype[b]}return a}e.prototype.on=function(a,b){this._callbacks=this._callbacks||{};(this._callbacks[a]=this._callbacks[a]||[]).push(b);return this};e.prototype.once=function(a,b){var c=this;this._callbacks=this._callbacks||{};function d(){c.off(a,d);b.apply(this,arguments)}b._off=d;this.on(a,d);return this};e.prototype.off=e.prototype.removeListener=e.prototype.removeAllListeners=function(a,b){this._callbacks=this._callbacks||{};if(0==arguments.length){this._callbacks={};return this}var c=this._callbacks[a];if(!c)return this;if(1==arguments.length){delete this._callbacks[a];return this}var e=d(c,b._off||b);if(~e)c.splice(e,1);return this};e.prototype.emit=function(a){this._callbacks=this._callbacks||{};var b=[].slice.call(arguments,1),c=this._callbacks[a];if(c){c=c.slice(0);for(var d=0,e=c.length;d<e;++d){c[d].apply(this,b)}}return this};e.prototype.listeners=function(a){this._callbacks=this._callbacks||{};return this._callbacks[a]||[]};e.prototype.hasListeners=function(a){return!!this.listeners(a).length}},{indexof:36}],11:[function(a,b,c){b.exports=a("./lib/")},{"./lib/":12}],12:[function(a,b,c){b.exports=a("./socket");b.exports.parser=a("engine.io-parser")},{"./socket":13,"engine.io-parser":22}],13:[function(a,b,c){var d=typeof self!=="undefined"?self:typeof window!=="undefined"?window:{};var e=a("./transports");var f=a("component-emitter");var g=a("debug")("engine.io-client:socket");var h=a("indexof");var i=a("engine.io-parser");var j=a("parseuri");var k=a("parsejson");var l=a("parseqs");b.exports=n;function m(){}function n(a,b){if(!(this instanceof n))return new n(a,b);b=b||{};if(a&&"object"==typeof a){b=a;a=null}if(a){a=j(a);b.host=a.host;b.secure=a.protocol=="https"||a.protocol=="wss";b.port=a.port;if(a.query)b.query=a.query}this.secure=null!=b.secure?b.secure:d.location&&"https:"==location.protocol;if(b.host){var c=b.host.split(":");b.hostname=c.shift();if(c.length)b.port=c.pop()}this.agent=b.agent||false;this.hostname=b.hostname||(d.location?location.hostname:"localhost");this.port=b.port||(d.location&&location.port?location.port:this.secure?443:80);this.query=b.query||{};if("string"==typeof this.query)this.query=l.decode(this.query);this.upgrade=false!==b.upgrade;this.path=(b.path||"/engine.io").replace(/\/$/,"")+"/";this.forceJSONP=!!b.forceJSONP;this.forceBase64=!!b.forceBase64;this.timestampParam=b.timestampParam||"t";this.timestampRequests=b.timestampRequests;this.transports=b.transports||["polling","websocket"];this.readyState="";this.writeBuffer=[];this.callbackBuffer=[];this.policyPort=b.policyPort||843;this.rememberUpgrade=b.rememberUpgrade||false;this.open();this.binaryType=null;this.onlyBinaryUpgrades=b.onlyBinaryUpgrades}n.priorWebsocketSuccess=false;f(n.prototype);n.protocol=i.protocol;n.Socket=n;n.Transport=a("./transport");n.transports=a("./transports");n.parser=a("engine.io-parser");n.prototype.createTransport=function(a){g('creating transport "%s"',a);var b=o(this.query);b.EIO=i.protocol;b.transport=a;if(this.id)b.sid=this.id;var c=new e[a]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:b,forceJSONP:this.forceJSONP,forceBase64:this.forceBase64,timestampRequests:this.timestampRequests,timestampParam:this.timestampParam,policyPort:this.policyPort,socket:this});return c};function o(a){var b={};for(var c in a){if(a.hasOwnProperty(c)){b[c]=a[c]}}return b}n.prototype.open=function(){var a;if(this.rememberUpgrade&&n.priorWebsocketSuccess&&this.transports.indexOf("websocket")!=-1){a="websocket"}else{a=this.transports[0]}this.readyState="opening";var a=this.createTransport(a);a.open();this.setTransport(a)};n.prototype.setTransport=function(a){g("setting transport %s",a.name);var b=this;if(this.transport){g("clearing existing transport %s",this.transport.name);this.transport.removeAllListeners()}this.transport=a;a.on("drain",function(){b.onDrain()}).on("packet",function(a){b.onPacket(a)}).on("error",function(a){b.onError(a)}).on("close",function(){b.onClose("transport close")})};n.prototype.probe=function(a){g('probing transport "%s"',a);var b=this.createTransport(a,{probe:1}),c=false,d=this;n.priorWebsocketSuccess=false;function e(){if(d.onlyBinaryUpgrades){var e=!this.supportsBinary&&d.transport.supportsBinary;c=c||e}if(c)return;g('probe transport "%s" opened',a);b.send([{type:"ping",data:"probe"}]);b.once("packet",function(e){if(c)return;if("pong"==e.type&&"probe"==e.data){g('probe transport "%s" pong',a);d.upgrading=true;d.emit("upgrading",b);n.priorWebsocketSuccess="websocket"==b.name;g('pausing current transport "%s"',d.transport.name);d.transport.pause(function(){if(c)return;if("closed"==d.readyState||"closing"==d.readyState){return}g("changing transport and sending upgrade packet");l();d.setTransport(b);b.send([{type:"upgrade"}]);d.emit("upgrade",b);b=null;d.upgrading=false;d.flush()})}else{g('probe transport "%s" failed',a);var f=new Error("probe error");f.transport=b.name;d.emit("upgradeError",f)}})}function f(){if(c)return;c=true;l();b.close();b=null}function h(c){var e=new Error("probe error: "+c);e.transport=b.name;f();g('probe transport "%s" failed because of error: %s',a,c);d.emit("upgradeError",e)}function i(){h("transport closed")}function j(){h("socket closed")}function k(a){if(b&&a.name!=b.name){g('"%s" works - aborting "%s"',a.name,b.name);f()}}function l(){b.removeListener("open",e);b.removeListener("error",h);b.removeListener("close",i);d.removeListener("close",j);d.removeListener("upgrading",k)}b.once("open",e);b.once("error",h);b.once("close",i);this.once("close",j);this.once("upgrading",k);b.open()};n.prototype.onOpen=function(){g("socket open");this.readyState="open";n.priorWebsocketSuccess="websocket"==this.transport.name;this.emit("open");this.flush();if("open"==this.readyState&&this.upgrade&&this.transport.pause){g("starting upgrade probes");for(var a=0,b=this.upgrades.length;a<b;a++){this.probe(this.upgrades[a])}}};n.prototype.onPacket=function(a){if("opening"==this.readyState||"open"==this.readyState){g('socket receive: type "%s", data "%s"',a.type,a.data);this.emit("packet",a);this.emit("heartbeat");switch(a.type){case"open":this.onHandshake(k(a.data));break;case"pong":this.setPing();break;case"error":var b=new Error("server error");b.code=a.data;this.emit("error",b);break;case"message":this.emit("data",a.data);this.emit("message",a.data);break}}else{g('packet received with socket readyState "%s"',this.readyState)}};n.prototype.onHandshake=function(a){this.emit("handshake",a);this.id=a.sid;this.transport.query.sid=a.sid;this.upgrades=this.filterUpgrades(a.upgrades);this.pingInterval=a.pingInterval;this.pingTimeout=a.pingTimeout;this.onOpen();if("closed"==this.readyState)return;this.setPing();this.removeListener("heartbeat",this.onHeartbeat);this.on("heartbeat",this.onHeartbeat)};n.prototype.onHeartbeat=function(a){clearTimeout(this.pingTimeoutTimer);var b=this;b.pingTimeoutTimer=setTimeout(function(){if("closed"==b.readyState)return;b.onClose("ping timeout")},a||b.pingInterval+b.pingTimeout)};n.prototype.setPing=function(){var a=this;clearTimeout(a.pingIntervalTimer);a.pingIntervalTimer=setTimeout(function(){g("writing ping packet - expecting pong within %sms",a.pingTimeout);a.ping();a.onHeartbeat(a.pingTimeout)},a.pingInterval)};n.prototype.ping=function(){this.sendPacket("ping")};n.prototype.onDrain=function(){for(var a=0;a<this.prevBufferLen;a++){if(this.callbackBuffer[a]){this.callbackBuffer[a]()}}this.writeBuffer.splice(0,this.prevBufferLen);this.callbackBuffer.splice(0,this.prevBufferLen);this.prevBufferLen=0;if(this.writeBuffer.length==0){this.emit("drain")}else{this.flush()}};n.prototype.flush=function(){if("closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){g("flushing %d packets in socket",this.writeBuffer.length);this.transport.send(this.writeBuffer);this.prevBufferLen=this.writeBuffer.length;this.emit("flush")}};n.prototype.write=n.prototype.send=function(a,b){this.sendPacket("message",a,b);return this};n.prototype.sendPacket=function(a,b,c){var d={type:a,data:b};this.emit("packetCreate",d);this.writeBuffer.push(d);this.callbackBuffer.push(c);this.flush()};n.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.onClose("forced close");g("socket closing - telling transport to close");this.transport.close()}return this};n.prototype.onError=function(a){g("socket error %j",a);n.priorWebsocketSuccess=false;this.emit("error",a);this.onClose("transport error",a)};n.prototype.onClose=function(a,b){if("opening"==this.readyState||"open"==this.readyState){g('socket close with reason: "%s"',a);var c=this;clearTimeout(this.pingIntervalTimer);clearTimeout(this.pingTimeoutTimer);setTimeout(function(){c.writeBuffer=[];c.callbackBuffer=[];c.prevBufferLen=0},0);this.transport.removeAllListeners("close");this.transport.close();this.transport.removeAllListeners();this.readyState="closed";this.id=null;this.emit("close",a,b)}};n.prototype.filterUpgrades=function(a){var b=[];for(var c=0,d=a.length;c<d;c++){if(~h(this.transports,a[c]))b.push(a[c])}return b}},{"./transport":14,"./transports":15,"component-emitter":8,debug:9,"engine.io-parser":22,indexof:36,parsejson:29,parseqs:30,parseuri:38}],14:[function(a,b,c){var d=a("engine.io-parser");var e=a("component-emitter");b.exports=f;function f(a){this.path=a.path;this.hostname=a.hostname;this.port=a.port;this.secure=a.secure;this.query=a.query;this.timestampParam=a.timestampParam;this.timestampRequests=a.timestampRequests;this.readyState="";this.agent=a.agent||false;this.socket=a.socket}e(f.prototype);f.timestamps=0;f.prototype.onError=function(a,b){var c=new Error(a);c.type="TransportError";c.description=b;this.emit("error",c);return this};f.prototype.open=function(){if("closed"==this.readyState||""==this.readyState){this.readyState="opening";this.doOpen()}return this};f.prototype.close=function(){if("opening"==this.readyState||"open"==this.readyState){this.doClose();this.onClose()}return this};f.prototype.send=function(a){if("open"==this.readyState){this.write(a)}else{throw new Error("Transport not open")}};f.prototype.onOpen=function(){this.readyState="open";this.writable=true;this.emit("open")};f.prototype.onData=function(a){try{var b=d.decodePacket(a,this.socket.binaryType);this.onPacket(b)}catch(c){c.data=a;this.onError("parser decode error",c)}};f.prototype.onPacket=function(a){this.emit("packet",a)};f.prototype.onClose=function(){this.readyState="closed";this.emit("close")}},{"component-emitter":8,"engine.io-parser":22}],15:[function(a,b,c){var d=typeof self!=="undefined"?self:typeof window!=="undefined"?window:{};var e=a("xmlhttprequest");var f=a("./polling-xhr");var g=a("./polling-jsonp");var h=a("./websocket");c.polling=i;c.websocket=h;function i(a){var b;var c=false;if(d.location){var h="https:"==location.protocol;var i=location.port;if(!i){i=h?443:80}c=a.hostname!=location.hostname||i!=a.port}a.xdomain=c;b=new e(a);if("open"in b&&!a.forceJSONP){return new f(a)}else{return new g(a)}}},{"./polling-jsonp":16,"./polling-xhr":17,"./websocket":19,xmlhttprequest:20}],16:[function(a,b,c){var d=typeof self!=="undefined"?self:typeof window!=="undefined"?window:{};var e=a("./polling");var f=a("component-inherit");b.exports=l;var g=/\n/g;var h=/\\n/g;var i;var j=0;function k(){}function l(a){e.call(this,a);this.query=this.query||{};if(!i){if(!d.___eio)d.___eio=[];i=d.___eio}this.index=i.length;var b=this;i.push(function(a){b.onData(a)});this.query.j=this.index;if(d.document&&d.addEventListener){d.addEventListener("beforeunload",function(){if(b.script)b.script.onerror=k})}}f(l,e);l.prototype.supportsBinary=false;l.prototype.doClose=function(){if(this.script){this.script.parentNode.removeChild(this.script);this.script=null}if(this.form){this.form.parentNode.removeChild(this.form);this.form=null}e.prototype.doClose.call(this)};l.prototype.doPoll=function(){var a=this;var b=document.createElement("script");if(this.script){this.script.parentNode.removeChild(this.script);this.script=null}b.async=true;b.src=this.uri();b.onerror=function(b){a.onError("jsonp poll error",b)};var c=document.getElementsByTagName("script")[0];c.parentNode.insertBefore(b,c);this.script=b;var d="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);if(d){setTimeout(function(){var a=document.createElement("iframe");document.body.appendChild(a);document.body.removeChild(a)},100)}};l.prototype.doWrite=function(a,b){var c=this;if(!this.form){var d=document.createElement("form");var e=document.createElement("textarea");var f=this.iframeId="eio_iframe_"+this.index;var i;d.className="socketio";d.style.position="absolute";d.style.top="-1000px";d.style.left="-1000px";d.target=f;d.method="POST";d.setAttribute("accept-charset","utf-8");e.name="d";d.appendChild(e);document.body.appendChild(d);this.form=d;this.area=e}this.form.action=this.uri();function j(){k();b()}function k(){if(c.iframe){try{c.form.removeChild(c.iframe)}catch(a){c.onError("jsonp polling iframe removal error",a)}}try{var b='<iframe src="javascript:0" name="'+c.iframeId+'">';i=document.createElement(b)}catch(a){i=document.createElement("iframe");i.name=c.iframeId;i.src="javascript:0"}i.id=c.iframeId;c.form.appendChild(i);c.iframe=i}k();a=a.replace(h,"\\\n");this.area.value=a.replace(g,"\\n");try{this.form.submit()}catch(l){}if(this.iframe.attachEvent){this.iframe.onreadystatechange=function(){if(c.iframe.readyState=="complete"){j()}}}else{this.iframe.onload=j}}},{"./polling":18,"component-inherit":21}],17:[function(a,b,c){var d=typeof self!=="undefined"?self:typeof window!=="undefined"?window:{};var e=a("xmlhttprequest");var f=a("./polling");var g=a("component-emitter");var h=a("component-inherit");var i=a("debug")("engine.io-client:polling-xhr");b.exports=k;b.exports.Request=l;function j(){}function k(a){f.call(this,a);if(d.location){var b="https:"==location.protocol;var c=location.port;if(!c){c=b?443:80}this.xd=a.hostname!=d.location.hostname||c!=a.port}}h(k,f);k.prototype.supportsBinary=true;k.prototype.request=function(a){a=a||{};a.uri=this.uri();a.xd=this.xd;a.agent=this.agent||false;a.supportsBinary=this.supportsBinary;return new l(a)};k.prototype.doWrite=function(a,b){var c=typeof a!=="string"&&a!==undefined;var d=this.request({method:"POST",data:a,isBinary:c});var e=this;d.on("success",b);d.on("error",function(a){e.onError("xhr post error",a)});this.sendXhr=d};k.prototype.doPoll=function(){i("xhr poll");var a=this.request();var b=this;a.on("data",function(a){b.onData(a)});a.on("error",function(a){b.onError("xhr poll error",a)});this.pollXhr=a};function l(a){this.method=a.method||"GET";this.uri=a.uri;this.xd=!!a.xd;this.async=false!==a.async;this.data=undefined!=a.data?a.data:null;this.agent=a.agent;this.create(a.isBinary,a.supportsBinary)}g(l.prototype);l.prototype.create=function(a,b){var c=this.xhr=new e({agent:this.agent,xdomain:this.xd});var 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self!=="undefined"?self:typeof window!=="undefined"?window:{};var e=a("./keys");var f=a("arraybuffer.slice");var g=a("base64-arraybuffer");var h=a("after");var i=a("utf8");var j=navigator.userAgent.match(/Android/i);c.protocol=2;var k=c.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6};var l=e(k);var m={type:"error",data:"parser error"};var n=a("blob");c.encodePacket=function(a,b,c){if(typeof b=="function"){c=b;b=false}var e=a.data===undefined?undefined:a.data.buffer||a.data;if(d.ArrayBuffer&&e instanceof ArrayBuffer){return o(a,b,c)}else if(n&&e instanceof d.Blob){return q(a,b,c)}var f=k[a.type];if(undefined!==a.data){f+=i.encode(String(a.data))}return c(""+f)};function o(a,b,d){if(!b){return c.encodeBase64Packet(a,d)}var e=a.data;var f=new Uint8Array(e);var g=new Uint8Array(1+e.byteLength);g[0]=k[a.type];for(var h=0;h<f.length;h++){g[h+1]=f[h]}return d(g.buffer)}function p(a,b,d){if(!b){return c.encodeBase64Packet(a,d)}var e=new 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d=e[0];var g=f(a,1);if(n&&b==="blob"){g=new n([g])}return{type:l[d],data:g}};c.decodeBase64Packet=function(a,b){var c=l[a.charAt(0)];if(!d.ArrayBuffer){return{type:c,data:{base64:true,data:a.substr(1)}}}var e=g.decode(a.substr(1));if(b==="blob"&&n){e=new n([e])}return{type:c,data:e}};c.encodePayload=function(a,b,d){if(typeof b=="function"){d=b;b=null}if(b){if(n&&!j){return c.encodePayloadAsBlob(a,d)}return c.encodePayloadAsArrayBuffer(a,d)}if(!a.length){return d("0:")}function e(a){return a.length+":"+a}function f(a,d){c.encodePacket(a,b,function(a){d(null,e(a))})}r(a,f,function(a,b){return d(b.join(""))})};function r(a,b,c){var d=new Array(a.length);var e=h(a.length,c);var f=function(a,c,e){b(c,function(b,c){d[a]=c;e(b,d)})};for(var g=0;g<a.length;g++){f(g,a[g],e)}}c.decodePayload=function(a,b,d){if(typeof a!="string"){return c.decodePayloadAsBinary(a,b,d)}if(typeof b==="function"){d=b;b=null}var e;if(a==""){return d(m,0,1)}var f="",g,h;for(var i=0,j=a.length;i<j;i++){var k=a.charAt(i);if(":"!=k){f+=k}else{if(""==f||f!=(g=Number(f))){return d(m,0,1)}h=a.substr(i+1,g);if(f!=h.length){return d(m,0,1)}if(h.length){e=c.decodePacket(h,b);if(m.type==e.type&&m.data==e.data){return d(m,0,1)}var l=d(e,i+g,j);if(false===l)return}i+=g;f=""}}if(f!=""){return d(m,0,1)}};c.encodePayloadAsArrayBuffer=function(a,b){if(!a.length){return b(new ArrayBuffer(0))}function d(a,b){c.encodePacket(a,true,function(a){return b(null,a)})}r(a,d,function(a,c){var d=c.reduce(function(a,b){var c;if(typeof b==="string"){c=b.length}else{c=b.byteLength}return a+c.toString().length+c+2},0);var e=new Uint8Array(d);var f=0;c.forEach(function(a){var b=typeof a==="string";var c=a;if(b){var d=new Uint8Array(a.length);for(var g=0;g<a.length;g++){d[g]=a.charCodeAt(g)}c=d.buffer}if(b){e[f++]=0}else{e[f++]=1}var h=c.byteLength.toString();for(var g=0;g<h.length;g++){e[f++]=parseInt(h[g])}e[f++]=255;var d=new Uint8Array(c);for(var g=0;g<d.length;g++){e[f++]=d[g]}});return b(e.buffer)})};c.encodePayloadAsBlob=function(a,b){function d(a,b){c.encodePacket(a,true,function(a){var c=new Uint8Array(1);c[0]=1;if(typeof a==="string"){var d=new Uint8Array(a.length);for(var e=0;e<a.length;e++){d[e]=a.charCodeAt(e)}a=d.buffer;c[0]=0}var f=a instanceof ArrayBuffer?a.byteLength:a.size;var g=f.toString();var h=new Uint8Array(g.length+1);for(var e=0;e<g.length;e++){h[e]=parseInt(g[e])}h[g.length]=255;if(n){var i=new n([c.buffer,h.buffer,a]);b(null,i)}})}r(a,d,function(a,c){return b(new n(c))})};c.decodePayloadAsBinary=function(a,b,d){if(typeof b==="function"){d=b;
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d=a.byteLength;b=b||0;c=c||d;if(a.slice){return a.slice(b,c)}if(b<0){b+=d}if(c<0){c+=d}if(c>d){c=d}if(b>=d||b>=c||d===0){return new ArrayBuffer(0)}var e=new Uint8Array(a);var f=new Uint8Array(c-b);for(var g=b,h=0;g<c;g++,h++){f[h]=e[g]}return f.buffer}},{}],26:[function(a,b,c){(function(a){"use strict";c.encode=function(b){var c=new Uint8Array(b),d,e=c.length,f="";for(d=0;d<e;d+=3){f+=a[c[d]>>2];f+=a[(c[d]&3)<<4|c[d+1]>>4];f+=a[(c[d+1]&15)<<2|c[d+2]>>6];f+=a[c[d+2]&63]}if(e%3===2){f=f.substring(0,f.length-1)+"="}else if(e%3===1){f=f.substring(0,f.length-2)+"=="}return f};c.decode=function(b){var c=b.length*.75,d=b.length,e,f=0,g,h,i,j;if(b[b.length-1]==="="){c--;if(b[b.length-2]==="="){c--}}var k=new ArrayBuffer(c),l=new Uint8Array(k);for(e=0;e<d;e+=4){g=a.indexOf(b[e]);h=a.indexOf(b[e+1]);i=a.indexOf(b[e+2]);j=a.indexOf(b[e+3]);l[f++]=g<<2|h>>4;l[f++]=(h&15)<<4|i>>2;l[f++]=(i&3)<<6|j&63}return k}})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")},{}],27:[function(a,b,c){var d=typeof self!=="undefined"?self:typeof window!=="undefined"?window:{};var e=d.BlobBuilder||d.WebKitBlobBuilder||d.MSBlobBuilder||d.MozBlobBuilder;var f=function(){try{var a=new Blob(["hi"]);return a.size==2}catch(b){return false}}();var g=e&&e.prototype.append&&e.prototype.getBlob;function h(a,b){b=b||{};var c=new e;for(var d=0;d<a.length;d++){c.append(a[d])}return b.type?c.getBlob(b.type):c.getBlob()}b.exports=function(){if(f){return d.Blob}else if(g){return h}else{return undefined}}()},{}],28:[function(b,c,d){var e=typeof self!=="undefined"?self:typeof window!=="undefined"?window:{};(function(b){var f=typeof d=="object"&&d;var g=typeof c=="object"&&c&&c.exports==f&&c;var h=typeof e=="object"&&e;if(h.global===h||h.window===h){b=h}var i=String.fromCharCode;function j(a){var b=[];var c=0;var d=a.length;var e;var 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v=g.hostname;g.protocol=function(a,b){if(a!==undefined){if(a){a=a.replace(/:(\/\/)?$/,"");if(!a.match(f.protocol_expression)){throw new TypeError('Protocol "'+a+"\" contains characters other than [A-Z0-9.+-] or doesn't start with [A-Z]")}}}return t.call(this,a,b)};g.scheme=g.protocol;g.port=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a!==undefined){if(a===0){a=null}if(a){a+="";if(a.charAt(0)===":"){a=a.substring(1)}if(a.match(/[^0-9]/)){throw new TypeError('Port "'+a+'" contains characters other than [0-9]')}}}return u.call(this,a,b)};g.hostname=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a!==undefined){var c={};f.parseHost(a,c);a=c.hostname}return v.call(this,a,b)};g.host=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a===undefined){return this._parts.hostname?f.buildHost(this._parts):""}else{f.parseHost(a,this._parts);this.build(!b);return this}};g.authority=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a===undefined){return this._parts.hostname?f.buildAuthority(this._parts):""}else{f.parseAuthority(a,this._parts);this.build(!b);return this}};g.userinfo=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a===undefined){if(!this._parts.username){return""}var c=f.buildUserinfo(this._parts);return c.substring(0,c.length-1)}else{if(a[a.length-1]!=="@"){a+="@"}f.parseUserinfo(a,this._parts);this.build(!b);return this}};g.resource=function(a,b){var c;if(a===undefined){return this.path()+this.search()+this.hash()}c=f.parse(a);this._parts.path=c.path;this._parts.query=c.query;this._parts.fragment=c.fragment;this.build(!b);return this};g.subdomain=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a===undefined){if(!this._parts.hostname||this.is("IP")){return""}var c=this._parts.hostname.length-this.domain().length-1;return this._parts.hostname.substring(0,c)||""}else{var d=this._parts.hostname.length-this.domain().length;var e=this._parts.hostname.substring(0,d);var g=new RegExp("^"+i(e));if(a&&a.charAt(a.length-1)!=="."){a+="."}if(a){f.ensureValidHostname(a)}this._parts.hostname=this._parts.hostname.replace(g,a);this.build(!b);return this}};g.domain=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(typeof a==="boolean"){b=a;a=undefined}if(a===undefined){if(!this._parts.hostname||this.is("IP")){return""}var c=this._parts.hostname.match(/\./g);if(c&&c.length<2){return this._parts.hostname}var d=this._parts.hostname.length-this.tld(b).length-1;d=this._parts.hostname.lastIndexOf(".",d-1)+1;return this._parts.hostname.substring(d)||""}else{if(!a){throw new TypeError("cannot set domain empty")}f.ensureValidHostname(a);if(!this._parts.hostname||this.is("IP")){this._parts.hostname=a}else{var e=new RegExp(i(this.domain())+"$");this._parts.hostname=this._parts.hostname.replace(e,a)}this.build(!b);return this}};g.tld=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(typeof a==="boolean"){b=a;a=undefined}if(a===undefined){if(!this._parts.hostname||this.is("IP")){return""}var d=this._parts.hostname.lastIndexOf(".");var e=this._parts.hostname.substring(d+1);if(b!==true&&c&&c.list[e.toLowerCase()]){return c.get(this._parts.hostname)||e}return e}else{var f;if(!a){throw new TypeError("cannot set TLD empty")}else if(a.match(/[^a-zA-Z0-9-]/)){if(c&&c.is(a)){f=new RegExp(i(this.tld())+"$");this._parts.hostname=this._parts.hostname.replace(f,a)}else{throw new TypeError('TLD "'+a+'" contains characters other than [A-Z0-9]')}}else if(!this._parts.hostname||this.is("IP")){throw new ReferenceError("cannot set TLD on non-domain host")}else{f=new RegExp(i(this.tld())+"$");this._parts.hostname=this._parts.hostname.replace(f,a)}this.build(!b);return this}};g.directory=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a===undefined||a===true){if(!this._parts.path&&!this._parts.hostname){return""}if(this._parts.path==="/"){return"/"}var c=this._parts.path.length-this.filename().length-1;var d=this._parts.path.substring(0,c)||(this._parts.hostname?"/":"");return a?f.decodePath(d):d}else{var e=this._parts.path.length-this.filename().length;var g=this._parts.path.substring(0,e);var h=new RegExp("^"+i(g));if(!this.is("relative")){if(!a){a="/"}if(a.charAt(0)!=="/"){a="/"+a}}if(a&&a.charAt(a.length-1)!=="/"){a+="/"}a=f.recodePath(a);this._parts.path=this._parts.path.replace(h,a);this.build(!b);return this}};g.filename=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a===undefined||a===true){if(!this._parts.path||this._parts.path==="/"){return""}var c=this._parts.path.lastIndexOf("/");var d=this._parts.path.substring(c+1);return a?f.decodePathSegment(d):d}else{var e=false;if(a.charAt(0)==="/"){a=a.substring(1)}if(a.match(/\.?\//)){e=true}var g=new RegExp(i(this.filename())+"$");a=f.recodePath(a);this._parts.path=this._parts.path.replace(g,a);if(e){this.normalizePath(b)}else{this.build(!b)}return this}};g.suffix=function(a,b){if(this._parts.urn){return a===undefined?"":this}if(a===undefined||a===true){if(!this._parts.path||this._parts.path==="/"){return""}var c=this.filename();var d=c.lastIndexOf(".");var e,g;if(d===-1){return""}e=c.substring(d+1);g=/^[a-z0-9%]+$/i.test(e)?e:"";return a?f.decodePathSegment(g):g}else{if(a.charAt(0)==="."){a=a.substring(1)}var h=this.suffix();var j;if(!h){if(!a){return this}this._parts.path+="."+f.recodePath(a)}else if(!a){j=new RegExp(i("."+h)+"$")}else{j=new RegExp(i(h)+"$")}if(j){a=f.recodePath(a);this._parts.path=this._parts.path.replace(j,a)}this.build(!b);return this}};g.segment=function(a,b,c){var d=this._parts.urn?":":"/";var e=this.path();var f=e.substring(0,1)==="/";var g=e.split(d);if(a!==undefined&&typeof a!=="number"){c=b;b=a;a=undefined}if(a!==undefined&&typeof a!=="number"){throw new Error('Bad segment "'+a+'", must be 0-based integer')}if(f){g.shift()}if(a<0){a=Math.max(g.length+a,0)}if(b===undefined){return a===undefined?g:g[a]}else if(a===null||g[a]===undefined){if(k(b)){g=[];for(var h=0,i=b.length;h<i;h++){if(!b[h].length&&(!g.length||!g[g.length-1].length)){continue}if(g.length&&!g[g.length-1].length){g.pop()}g.push(b[h])}}else if(b||typeof b==="string"){if(g[g.length-1]===""){g[g.length-1]=b}else{g.push(b)}}}else{if(b||typeof b==="string"&&b.length){g[a]=b}else{g.splice(a,1)}}if(f){g.unshift("")}return this.path(g.join(d),c)};g.segmentCoded=function(a,b,c){var d,e,g;if(typeof a!=="number"){c=b;b=a;a=undefined}if(b===undefined){d=this.segment(a,b,c);if(!k(d)){d=d!==undefined?f.decode(d):undefined}else{for(e=0,g=d.length;e<g;e++){d[e]=f.decode(d[e])}}return d}if(!k(b)){b=typeof b==="string"?f.encode(b):b}else{for(e=0,g=b.length;e<g;e++){b[e]=f.decode(b[e])}}return this.segment(a,b,c)};var w=g.query;g.query=function(a,b){if(a===true){return f.parseQuery(this._parts.query,this._parts.escapeQuerySpace)}else if(typeof a==="function"){var c=f.parseQuery(this._parts.query,this._parts.escapeQuerySpace);var d=a.call(this,c);this._parts.query=f.buildQuery(d||c,this._parts.duplicateQueryParameters,this._parts.escapeQuerySpace);this.build(!b);return this}else if(a!==undefined&&typeof a!=="string"){this._parts.query=f.buildQuery(a,this._parts.duplicateQueryParameters,this._parts.escapeQuerySpace);this.build(!b);return this}else{return w.call(this,a,b)}};g.setQuery=function(a,b,c){var d=f.parseQuery(this._parts.query,this._parts.escapeQuerySpace);if(typeof a==="object"){for(var e in a){if(h.call(a,e)){d[e]=a[e]}}}else if(typeof a==="string"){d[a]=b!==undefined?b:null}else{throw new TypeError("URI.addQuery() accepts an object, string as the name parameter")}this._parts.query=f.buildQuery(d,this._parts.duplicateQueryParameters,this._parts.escapeQuerySpace);if(typeof a!=="string"){c=b}this.build(!c);return this};g.addQuery=function(a,b,c){var d=f.parseQuery(this._parts.query,this._parts.escapeQuerySpace);f.addQuery(d,a,b===undefined?null:b);this._parts.query=f.buildQuery(d,this._parts.duplicateQueryParameters,this._parts.escapeQuerySpace);if(typeof a!=="string"){c=b}this.build(!c);return this};g.removeQuery=function(a,b,c){var d=f.parseQuery(this._parts.query,this._parts.escapeQuerySpace);f.removeQuery(d,a,b);this._parts.query=f.buildQuery(d,this._parts.duplicateQueryParameters,this._parts.escapeQuerySpace);if(typeof a!=="string"){c=b}this.build(!c);return this};g.hasQuery=function(a,b,c){var d=f.parseQuery(this._parts.query,this._parts.escapeQuerySpace);return f.hasQuery(d,a,b,c)};g.setSearch=g.setQuery;g.addSearch=g.addQuery;g.removeSearch=g.removeQuery;g.hasSearch=g.hasQuery;g.normalize=function(){if(this._parts.urn){return this.normalizeProtocol(false).normalizeQuery(false).normalizeFragment(false).build()}return this.normalizeProtocol(false).normalizeHostname(false).normalizePort(false).normalizePath(false).normalizeQuery(false).normalizeFragment(false).build()};g.normalizeProtocol=function(a){if(typeof this._parts.protocol==="string"){this._parts.protocol=this._parts.protocol.toLowerCase();this.build(!a)}return this};g.normalizeHostname=function(c){if(this._parts.hostname){if(this.is("IDN")&&a){this._parts.hostname=a.toASCII(this._parts.hostname)}else if(this.is("IPv6")&&b){this._parts.hostname=b.best(this._parts.hostname)}this._parts.hostname=this._parts.hostname.toLowerCase();this.build(!c)}return this};g.normalizePort=function(a){if(typeof this._parts.protocol==="string"&&this._parts.port===f.defaultPorts[this._parts.protocol]){this._parts.port=null;this.build(!a)}return this};g.normalizePath=function(a){if(this._parts.urn){return this}if(!this._parts.path||this._parts.path==="/"){return this}var b;var c=this._parts.path;var d="";var e,g;if(c.charAt(0)!=="/"){b=true;c="/"+c}c=c.replace(/(\/(\.\/)+)|(\/\.$)/g,"/").replace(/\/{2,}/g,"/");if(b){d=c.substring(1).match(/^(\.\.\/)+/)||"";if(d){d=d[0]}}while(true){e=c.indexOf("/..");if(e===-1){break}else if(e===0){c=c.substring(3);continue}g=c.substring(0,e).lastIndexOf("/");if(g===-1){g=e}c=c.substring(0,g)+c.substring(e+3)}if(b&&this.is("relative")){c=d+c.substring(1)}c=f.recodePath(c);this._parts.path=c;this.build(!a);return this};g.normalizePathname=g.normalizePath;g.normalizeQuery=function(a){if(typeof this._parts.query==="string"){if(!this._parts.query.length){this._parts.query=null}else{this.query(f.parseQuery(this._parts.query,this._parts.escapeQuerySpace))}this.build(!a)}return this};g.normalizeFragment=function(a){if(!this._parts.fragment){this._parts.fragment=null;this.build(!a)}return this};g.normalizeSearch=g.normalizeQuery;g.normalizeHash=g.normalizeFragment;g.iso8859=function(){var a=f.encode;var b=f.decode;f.encode=escape;f.decode=decodeURIComponent;this.normalize();f.encode=a;f.decode=b;return this};g.unicode=function(){var a=f.encode;var b=f.decode;f.encode=p;f.decode=unescape;this.normalize();f.encode=a;f.decode=b;return this};g.readable=function(){var b=this.clone();b.username("").password("").normalize();var c="";if(b._parts.protocol){c+=b._parts.protocol+"://"}if(b._parts.hostname){if(b.is("punycode")&&a){c+=a.toUnicode(b._parts.hostname);if(b._parts.port){c+=":"+b._parts.port}}else{c+=b.host()}}if(b._parts.hostname&&b._parts.path&&b._parts.path.charAt(0)!=="/"){c+="/"}c+=b.path(true);if(b._parts.query){var d="";for(var e=0,g=b._parts.query.split("&"),h=g.length;e<h;e++){var i=(g[e]||"").split("=");d+="&"+f.decodeQuery(i[0],this._parts.escapeQuerySpace).replace(/&/g,"%26");if(i[1]!==undefined){d+="="+f.decodeQuery(i[1],this._parts.escapeQuerySpace).replace(/&/g,"%26")}}c+="?"+d.substring(1)}c+=f.decodeQuery(b.hash(),true);return c};g.absoluteTo=function(a){var b=this.clone();var c=["protocol","username","password","hostname","port"];var d,e,g;if(this._parts.urn){throw new Error("URNs do not have any generally defined hierarchical components")}if(!(a instanceof f)){a=new f(a)}if(!b._parts.protocol){b._parts.protocol=a._parts.protocol}if(this._parts.hostname){return b}for(e=0;g=c[e];e++){b._parts[g]=a._parts[g]}if(!b._parts.path){b._parts.path=a._parts.path;if(!b._parts.query){b._parts.query=a._parts.query}}else if(b._parts.path.substring(-2)===".."){b._parts.path+="/"}if(b.path().charAt(0)!=="/"){d=a.directory();b._parts.path=(d?d+"/":"")+b._parts.path;b.normalizePath()}b.build();return b};g.relativeTo=function(a){var b=this.clone().normalize();var c,d,e,g,h;if(b._parts.urn){throw new Error("URNs do not have any generally defined hierarchical components")}a=new f(a).normalize();c=b._parts;d=a._parts;g=b.path();h=a.path();if(g.charAt(0)!=="/"){throw new Error("URI is already relative")}if(h.charAt(0)!=="/"){throw new Error("Cannot calculate a URI relative to another relative URI")}if(c.protocol===d.protocol){c.protocol=null}if(c.username!==d.username||c.password!==d.password){return b.build()}if(c.protocol!==null||c.username!==null||c.password!==null){return b.build()}if(c.hostname===d.hostname&&c.port===d.port){c.hostname=null;c.port=null}else{return b.build()}if(g===h){c.path="";return b.build()}e=f.commonPath(b.path(),a.path());if(!e){return b.build()}var i=d.path.substring(e.length).replace(/[^\/]*$/,"").replace(/.*?\//g,"../");c.path=i+c.path.substring(e.length);return b.build()};g.equals=function(a){var b=this.clone();var c=new f(a);var d={};var e={};var g={};var i,j,l;b.normalize();c.normalize();if(b.toString()===c.toString()){return true}i=b.query();j=c.query();b.query("");c.query("");if(b.toString()!==c.toString()){return false}if(i.length!==j.length){return false}d=f.parseQuery(i,this._parts.escapeQuerySpace);e=f.parseQuery(j,this._parts.escapeQuerySpace);for(l in d){if(h.call(d,l)){if(!k(d[l])){if(d[l]!==e[l]){return false}}else if(!n(d[l],e[l])){return false}g[l]=true}}for(l in e){if(h.call(e,l)){if(!g[l]){return false}}}return true};g.duplicateQueryParameters=function(a){this._parts.duplicateQueryParameters=!!a;return this};g.escapeQuerySpace=function(a){this._parts.escapeQuerySpace=!!a;return this};return f});