socket.io-client - npm Package Compare versions

Comparing version 4.6.1 to 4.6.2

dist/socket.io.esm.min.js

 /*!
- * Socket.IO v4.6.1
+ * Socket.IO v4.6.2
  * (c) 2014-2023 Guillermo Rauch
  * Released under the MIT License.
  */
-const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const e=Object.create(null);Object.keys(t).forEach((s=>{e[t[s]]=s}));const s={type:"error",data:"parser error"},i="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),n="function"==typeof ArrayBuffer,r=({type:e,data:s},r,h)=>{return i&&s instanceof Blob?r?h(s):o(s,h):n&&(s instanceof ArrayBuffer||(a=s,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(a):a&&a.buffer instanceof ArrayBuffer))?r?h(s):o(new Blob([s]),h):h(t[e]+(s||""));var a},o=(t,e)=>{const s=new FileReader;return s.onload=function(){const t=s.result.split(",")[1];e("b"+t)},s.readAsDataURL(t)},h="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",a="undefined"==typeof Uint8Array?[]:new Uint8Array(256);for(let t=0;t<h.length;t++)a[h.charCodeAt(t)]=t;const c="function"==typeof ArrayBuffer,p=(t,i)=>{if("string"!=typeof t)return{type:"message",data:l(t,i)};const n=t.charAt(0);if("b"===n)return{type:"message",data:u(t.substring(1),i)};return e[n]?t.length>1?{type:e[n],data:t.substring(1)}:{type:e[n]}:s},u=(t,e)=>{if(c){const s=(t=>{let e,s,i,n,r,o=.75*t.length,h=t.length,c=0;"="===t[t.length-1]&&(o--,"="===t[t.length-2]&&o--);const p=new ArrayBuffer(o),u=new Uint8Array(p);for(e=0;e<h;e+=4)s=a[t.charCodeAt(e)],i=a[t.charCodeAt(e+1)],n=a[t.charCodeAt(e+2)],r=a[t.charCodeAt(e+3)],u[c++]=s<<2|i>>4,u[c++]=(15&i)<<4|n>>2,u[c++]=(3&n)<<6|63&r;return p})(t);return l(s,e)}return{base64:!0,data:t}},l=(t,e)=>"blob"===e&&t instanceof ArrayBuffer?new Blob([t]):t,d=String.fromCharCode(30);function f(t){if(t)return function(t){for(var e in f.prototype)t[e]=f.prototype[e];return t}(t)}f.prototype.on=f.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},f.prototype.once=function(t,e){function s(){this.off(t,s),e.apply(this,arguments)}return s.fn=e,this.on(t,s),this},f.prototype.off=f.prototype.removeListener=f.prototype.removeAllListeners=f.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var s,i=this._callbacks["$"+t];if(!i)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var n=0;n<i.length;n++)if((s=i[n])===e||s.fn===e){i.splice(n,1);break}return 0===i.length&&delete this._callbacks["$"+t],this},f.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),s=this._callbacks["$"+t],i=1;i<arguments.length;i++)e[i-1]=arguments[i];if(s){i=0;for(var n=(s=s.slice(0)).length;i<n;++i)s[i].apply(this,e)}return this},f.prototype.emitReserved=f.prototype.emit,f.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},f.prototype.hasListeners=function(t){return!!this.listeners(t).length};const y="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function g(t,...e){return e.reduce(((e,s)=>(t.hasOwnProperty(s)&&(e[s]=t[s]),e)),{})}const m=y.setTimeout,b=y.clearTimeout;function v(t,e){e.useNativeTimers?(t.setTimeoutFn=m.bind(y),t.clearTimeoutFn=b.bind(y)):(t.setTimeoutFn=y.setTimeout.bind(y),t.clearTimeoutFn=y.clearTimeout.bind(y))}class k extends Error{constructor(t,e,s){super(t),this.description=e,this.context=s,this.type="TransportError"}}class w extends f{constructor(t){super(),this.writable=!1,v(this,t),this.opts=t,this.query=t.query,this.socket=t.socket}onError(t,e,s){return super.emitReserved("error",new k(t,e,s)),this}open(){return this.readyState="opening",this.doOpen(),this}close(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}send(t){"open"===this.readyState&&this.write(t)}onOpen(){this.readyState="open",this.writable=!0,super.emitReserved("open")}onData(t){const e=p(t,this.socket.binaryType);this.onPacket(e)}onPacket(t){super.emitReserved("packet",t)}onClose(t){this.readyState="closed",super.emitReserved("close",t)}pause(t){}}const _="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),E={};let A,O=0,R=0;function C(t){let e="";do{e=_[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function T(){const t=C(+new Date);return t!==A?(O=0,A=t):t+"."+C(O++)}for(;R<64;R++)E[_[R]]=R;function B(t){let e="";for(let s in t)t.hasOwnProperty(s)&&(e.length&&(e+="&"),e+=encodeURIComponent(s)+"="+encodeURIComponent(t[s]));return e}let N=!1;try{N="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(t){}const x=N;function L(t){const e=t.xdomain;try{if("undefined"!=typeof XMLHttpRequest&&(!e||x))return new XMLHttpRequest}catch(t){}if(!e)try{return new(y[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}function S(){}const q=null!=new L({xdomain:!1}).responseType;class P extends f{constructor(t,e){super(),v(this,e),this.opts=e,this.method=e.method||"GET",this.uri=t,this.async=!1!==e.async,this.data=void 0!==e.data?e.data:null,this.create()}create(){const t=g(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");t.xdomain=!!this.opts.xd,t.xscheme=!!this.opts.xs;const e=this.xhr=new L(t);try{e.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders){e.setDisableHeaderCheck&&e.setDisableHeaderCheck(!0);for(let t in this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(t)&&e.setRequestHeader(t,this.opts.extraHeaders[t])}}catch(t){}if("POST"===this.method)try{e.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{e.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in e&&(e.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(e.timeout=this.opts.requestTimeout),e.onreadystatechange=()=>{4===e.readyState&&(200===e.status||1223===e.status?this.onLoad():this.setTimeoutFn((()=>{this.onError("number"==typeof e.status?e.status:0)}),0))},e.send(this.data)}catch(t){return void this.setTimeoutFn((()=>{this.onError(t)}),0)}"undefined"!=typeof document&&(this.index=P.requestsCount++,P.requests[this.index]=this)}onError(t){this.emitReserved("error",t,this.xhr),this.cleanup(!0)}cleanup(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=S,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete P.requests[this.index],this.xhr=null}}onLoad(){const t=this.xhr.responseText;null!==t&&(this.emitReserved("data",t),this.emitReserved("success"),this.cleanup())}abort(){this.cleanup()}}if(P.requestsCount=0,P.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",j);else if("function"==typeof addEventListener){addEventListener("onpagehide"in y?"pagehide":"unload",j,!1)}function j(){for(let t in P.requests)P.requests.hasOwnProperty(t)&&P.requests[t].abort()}const I="function"==typeof Promise&&"function"==typeof Promise.resolve?t=>Promise.resolve().then(t):(t,e)=>e(t,0),D=y.WebSocket||y.MozWebSocket,F="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase();const M={websocket:class extends w{constructor(t){super(t),this.supportsBinary=!t.forceBase64}get name(){return"websocket"}doOpen(){if(!this.check())return;const t=this.uri(),e=this.opts.protocols,s=F?{}:g(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(s.headers=this.opts.extraHeaders);try{this.ws=F?new D(t,e,s):e?new D(t,e):new D(t)}catch(t){return this.emitReserved("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",this.addEventListeners()}addEventListeners(){this.ws.onopen=()=>{this.opts.autoUnref&&this.ws._socket.unref(),this.onOpen()},this.ws.onclose=t=>this.onClose({description:"websocket connection closed",context:t}),this.ws.onmessage=t=>this.onData(t.data),this.ws.onerror=t=>this.onError("websocket error",t)}write(t){this.writable=!1;for(let e=0;e<t.length;e++){const s=t[e],i=e===t.length-1;r(s,this.supportsBinary,(t=>{try{this.ws.send(t)}catch(t){}i&&I((()=>{this.writable=!0,this.emitReserved("drain")}),this.setTimeoutFn)}))}}doClose(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}uri(){let t=this.query||{};const e=this.opts.secure?"wss":"ws";let s="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(s=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=T()),this.supportsBinary||(t.b64=1);const i=B(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(i.length?"?"+i:"")}check(){return!!D}},polling:class extends w{constructor(t){if(super(t),this.polling=!1,"undefined"!=typeof location){const e="https:"===location.protocol;let s=location.port;s||(s=e?"443":"80"),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port,this.xs=t.secure!==e}const e=t&&t.forceBase64;this.supportsBinary=q&&!e}get name(){return"polling"}doOpen(){this.poll()}pause(t){this.readyState="pausing";const e=()=>{this.readyState="paused",t()};if(this.polling||!this.writable){let t=0;this.polling&&(t++,this.once("pollComplete",(function(){--t||e()}))),this.writable||(t++,this.once("drain",(function(){--t||e()})))}else e()}poll(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}onData(t){((t,e)=>{const s=t.split(d),i=[];for(let t=0;t<s.length;t++){const n=p(s[t],e);if(i.push(n),"error"===n.type)break}return i})(t,this.socket.binaryType).forEach((t=>{if("opening"===this.readyState&&"open"===t.type&&this.onOpen(),"close"===t.type)return this.onClose({description:"transport closed by the server"}),!1;this.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}doClose(){const t=()=>{this.write([{type:"close"}])};"open"===this.readyState?t():this.once("open",t)}write(t){this.writable=!1,((t,e)=>{const s=t.length,i=new Array(s);let n=0;t.forEach(((t,o)=>{r(t,!1,(t=>{i[o]=t,++n===s&&e(i.join(d))}))}))})(t,(t=>{this.doWrite(t,(()=>{this.writable=!0,this.emitReserved("drain")}))}))}uri(){let t=this.query||{};const e=this.opts.secure?"https":"http";let s="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=T()),this.supportsBinary||t.sid||(t.b64=1),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(s=":"+this.opts.port);const i=B(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(i.length?"?"+i:"")}request(t={}){return Object.assign(t,{xd:this.xd,xs:this.xs},this.opts),new P(this.uri(),t)}doWrite(t,e){const s=this.request({method:"POST",data:t});s.on("success",e),s.on("error",((t,e)=>{this.onError("xhr post error",t,e)}))}doPoll(){const t=this.request();t.on("data",this.onData.bind(this)),t.on("error",((t,e)=>{this.onError("xhr poll error",t,e)})),this.pollXhr=t}}},V=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,U=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function H(t){const e=t,s=t.indexOf("["),i=t.indexOf("]");-1!=s&&-1!=i&&(t=t.substring(0,s)+t.substring(s,i).replace(/:/g,";")+t.substring(i,t.length));let n=V.exec(t||""),r={},o=14;for(;o--;)r[U[o]]=n[o]||"";return-1!=s&&-1!=i&&(r.source=e,r.host=r.host.substring(1,r.host.length-1).replace(/;/g,":"),r.authority=r.authority.replace("[","").replace("]","").replace(/;/g,":"),r.ipv6uri=!0),r.pathNames=function(t,e){const s=/\/{2,9}/g,i=e.replace(s,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||i.splice(0,1);"/"==e.slice(-1)&&i.splice(i.length-1,1);return i}(0,r.path),r.queryKey=function(t,e){const s={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,i){e&&(s[e]=i)})),s}(0,r.query),r}class K extends f{constructor(t,e={}){super(),this.writeBuffer=[],t&&"object"==typeof t&&(e=t,t=null),t?(t=H(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=H(e.host).host),v(this,e),this.secure=null!=e.secure?e.secure:"undefined"!=typeof location&&"https:"===location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.hostname=e.hostname||("undefined"!=typeof location?location.hostname:"localhost"),this.port=e.port||("undefined"!=typeof location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket"],this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},e),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),"string"==typeof this.opts.query&&(this.opts.query=function(t){let e={},s=t.split("&");for(let t=0,i=s.length;t<i;t++){let i=s[t].split("=");e[decodeURIComponent(i[0])]=decodeURIComponent(i[1])}return e}(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,"function"==typeof addEventListener&&(this.opts.closeOnBeforeunload&&(this.beforeunloadEventListener=()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new M[t](s)}open(){let t;if(this.opts.rememberUpgrade&&K.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.emitReserved("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)}setTransport(t){this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(t=>this.onClose("transport close",t)))}probe(t){let e=this.createTransport(t),s=!1;K.priorWebsocketSuccess=!1;const i=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;K.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function n(){s||(s=!0,c(),e.close(),e=null)}const r=t=>{const s=new Error("probe error: "+t);s.transport=e.name,n(),this.emitReserved("upgradeError",s)};function o(){r("transport closed")}function h(){r("socket closed")}function a(t){e&&t.name!==e.name&&n()}const c=()=>{e.removeListener("open",i),e.removeListener("error",r),e.removeListener("close",o),this.off("close",h),this.off("upgrading",a)};e.once("open",i),e.once("error",r),e.once("close",o),this.once("close",h),this.once("upgrading",a),e.open()}onOpen(){if(this.readyState="open",K.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade){let t=0;const e=this.upgrades.length;for(;t<e;t++)this.probe(this.upgrades[t])}}onPacket(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":const e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}onHandshake(t){this.emitReserved("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.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}resetPingTimeout(){this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((()=>{this.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s<this.writeBuffer.length;s++){const i=this.writeBuffer[s].data;if(i&&(t+="string"==typeof(e=i)?function(t){let e=0,s=0;for(let i=0,n=t.length;i<n;i++)e=t.charCodeAt(i),e<128?s+=1:e<2048?s+=2:e<55296||e>=57344?s+=3:(i++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,i){if("function"==typeof e&&(i=e,e=void 0),"function"==typeof s&&(i=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const n={type:t,data:e,options:s};this.emitReserved("packetCreate",n),this.writeBuffer.push(n),i&&this.once("flush",i),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){K.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(t){const e=[];let s=0;const i=t.length;for(;s<i;s++)~this.transports.indexOf(t[s])&&e.push(t[s]);return e}}K.protocol=4;const Y="function"==typeof ArrayBuffer,z=Object.prototype.toString,W="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===z.call(Blob),$="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===z.call(File);function J(t){return Y&&(t instanceof ArrayBuffer||(t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer)(t))||W&&t instanceof Blob||$&&t instanceof File}function Q(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e<s;e++)if(Q(t[e]))return!0;return!1}if(J(t))return!0;if(t.toJSON&&"function"==typeof t.toJSON&&1===arguments.length)return Q(t.toJSON(),!0);for(const e in t)if(Object.prototype.hasOwnProperty.call(t,e)&&Q(t[e]))return!0;return!1}function X(t){const e=[],s=t.data,i=t;return i.data=G(s,e),i.attachments=e.length,{packet:i,buffers:e}}function G(t,e){if(!t)return t;if(J(t)){const s={_placeholder:!0,num:e.length};return e.push(t),s}if(Array.isArray(t)){const s=new Array(t.length);for(let i=0;i<t.length;i++)s[i]=G(t[i],e);return s}if("object"==typeof t&&!(t instanceof Date)){const s={};for(const i in t)Object.prototype.hasOwnProperty.call(t,i)&&(s[i]=G(t[i],e));return s}return t}function Z(t,e){return t.data=tt(t.data,e),delete t.attachments,t}function tt(t,e){if(!t)return t;if(t&&!0===t._placeholder){if("number"==typeof t.num&&t.num>=0&&t.num<e.length)return e[t.num];throw new Error("illegal attachments")}if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]=tt(t[s],e);else if("object"==typeof t)for(const s in t)Object.prototype.hasOwnProperty.call(t,s)&&(t[s]=tt(t[s],e));return t}const et=5;var st;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(st||(st={}));class it extends f{constructor(t){super(),this.reviver=t}add(t){let e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");e=this.decodeString(t);const s=e.type===st.BINARY_EVENT;s||e.type===st.BINARY_ACK?(e.type=s?st.EVENT:st.ACK,this.reconstructor=new nt(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e)}else{if(!J(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emitReserved("decoded",e))}}decodeString(t){let e=0;const s={type:Number(t.charAt(0))};if(void 0===st[s.type])throw new Error("unknown packet type "+s.type);if(s.type===st.BINARY_EVENT||s.type===st.BINARY_ACK){const i=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const n=t.substring(i,e);if(n!=Number(n)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(n)}if("/"===t.charAt(e+1)){const i=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}s.nsp=t.substring(i,e)}else s.nsp="/";const i=t.charAt(e+1);if(""!==i&&Number(i)==i){const i=e+1;for(;++e;){const s=t.charAt(e);if(null==s||Number(s)!=s){--e;break}if(e===t.length)break}s.id=Number(t.substring(i,e+1))}if(t.charAt(++e)){const i=this.tryParse(t.substr(e));if(!it.isPayloadValid(s.type,i))throw new Error("invalid payload");s.data=i}return s}tryParse(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}static isPayloadValid(t,e){switch(t){case st.CONNECT:return"object"==typeof e;case st.DISCONNECT:return void 0===e;case st.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case st.EVENT:case st.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case st.ACK:case st.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class nt{constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=Z(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var rt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return st},Encoder:class{constructor(t){this.replacer=t}encode(t){return t.type!==st.EVENT&&t.type!==st.ACK||!Q(t)?[this.encodeAsString(t)]:this.encodeAsBinary({type:t.type===st.EVENT?st.BINARY_EVENT:st.BINARY_ACK,nsp:t.nsp,data:t.data,id:t.id})}encodeAsString(t){let e=""+t.type;return t.type!==st.BINARY_EVENT&&t.type!==st.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data,this.replacer)),e}encodeAsBinary(t){const e=X(t),s=this.encodeAsString(e.packet),i=e.buffers;return i.unshift(s),i}},Decoder:it});function ot(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ht=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class at extends f{constructor(t,e,s){super(),this.connected=!1,this.recovered=!1,this.receiveBuffer=[],this.sendBuffer=[],this._queue=[],this._queueSeq=0,this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this._opts=Object.assign({},s),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const t=this.io;this.subs=[ot(t,"open",this.onopen.bind(this)),ot(t,"packet",this.onpacket.bind(this)),ot(t,"error",this.onerror.bind(this)),ot(t,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}open(){return this.connect()}send(...t){return t.unshift("message"),this.emit.apply(this,t),this}emit(t,...e){if(ht.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');if(e.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(e),this;const s={type:st.EVENT,data:e,options:{}};if(s.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]){const t=this.ids++,i=e.pop();this._registerAckCallback(t,i),s.id=t}const i=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!i||!this.connected)||(this.connected?(this.notifyOutgoingListeners(s),this.packet(s)):this.sendBuffer.push(s)),this.flags={},this}_registerAckCallback(t,e){var s;const i=null!==(s=this.flags.timeout)&&void 0!==s?s:this._opts.ackTimeout;if(void 0===i)return void(this.acks[t]=e);const n=this.io.setTimeoutFn((()=>{delete this.acks[t];for(let e=0;e<this.sendBuffer.length;e++)this.sendBuffer[e].id===t&&this.sendBuffer.splice(e,1);e.call(this,new Error("operation has timed out"))}),i);this.acks[t]=(...t)=>{this.io.clearTimeoutFn(n),e.apply(this,[null,...t])}}emitWithAck(t,...e){const s=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise(((i,n)=>{e.push(((t,e)=>s?t?n(t):i(e):i(t))),this.emit(t,...e)}))}_addToQueue(t){let e;"function"==typeof t[t.length-1]&&(e=t.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:t,flags:Object.assign({fromQueue:!0},this.flags)};t.push(((t,...i)=>{if(s!==this._queue[0])return;return null!==t?s.tryCount>this._opts.retries&&(this._queue.shift(),e&&e(t)):(this._queue.shift(),e&&e(null,...i)),s.pending=!1,this._drainQueue()})),this._queue.push(s),this._drainQueue()}_drainQueue(t=!1){if(!this.connected||0===this._queue.length)return;const e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this._sendConnectPacket(t)})):this._sendConnectPacket(this.auth)}_sendConnectPacket(t){this.packet({type:st.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},t):t})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case st.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case st.EVENT:case st.BINARY_EVENT:this.onevent(t);break;case st.ACK:case st.BINARY_ACK:this.onack(t);break;case st.DISCONNECT:this.ondisconnect();break;case st.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const s of e)s.apply(this,t)}super.emit.apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}ack(t){const e=this;let s=!1;return function(...i){s||(s=!0,e.packet({type:st.ACK,id:t,data:i}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(t),this.packet(t)})),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach((t=>t())),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:st.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}prependAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}offAnyOutgoing(t){if(!this._anyOutgoingListeners)return this;if(t){const e=this._anyOutgoingListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const e=this._anyOutgoingListeners.slice();for(const s of e)s.apply(this,t.data)}}}function ct(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}ct.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},ct.prototype.reset=function(){this.attempts=0},ct.prototype.setMin=function(t){this.ms=t},ct.prototype.setMax=function(t){this.max=t},ct.prototype.setJitter=function(t){this.jitter=t};class pt extends f{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,v(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new ct({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const i=e.parser||rt;this.encoder=new i.Encoder,this.decoder=new i.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new K(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const i=ot(e,"open",(function(){s.onopen(),t&&t()})),n=ot(e,"error",(e=>{s.cleanup(),s._readyState="closed",this.emitReserved("error",e),t?t(e):s.maybeReconnectOnOpen()}));if(!1!==this._timeout){const t=this._timeout;0===t&&i();const s=this.setTimeoutFn((()=>{i(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}return this.subs.push(i),this.subs.push(n),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(ot(t,"ping",this.onping.bind(this)),ot(t,"data",this.ondata.bind(this)),ot(t,"error",this.onerror.bind(this)),ot(t,"close",this.onclose.bind(this)),ot(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}ondecoded(t){I((()=>{this.emitReserved("packet",t)}),this.setTimeoutFn)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s?this._autoConnect&&!s.active&&s.connect():(s=new at(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;s<e.length;s++)this.engine.write(e[s],t.options)}cleanup(){this.subs.forEach((t=>t())),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const ut={};function lt(t,e){"object"==typeof t&&(e=t,t=void 0);const s=function(t,e="",s){let i=t;s=s||"undefined"!=typeof location&&location,null==t&&(t=s.protocol+"//"+s.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?s.protocol+t:s.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==s?s.protocol+"//"+t:"https://"+t),i=H(t)),i.port||(/^(http|ws)$/.test(i.protocol)?i.port="80":/^(http|ws)s$/.test(i.protocol)&&(i.port="443")),i.path=i.path||"/";const n=-1!==i.host.indexOf(":")?"["+i.host+"]":i.host;return i.id=i.protocol+"://"+n+":"+i.port+e,i.href=i.protocol+"://"+n+(s&&s.port===i.port?"":":"+i.port),i}(t,(e=e||{}).path||"/socket.io"),i=s.source,n=s.id,r=s.path,o=ut[n]&&r in ut[n].nsps;let h;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?h=new pt(i,e):(ut[n]||(ut[n]=new pt(i,e)),h=ut[n]),s.query&&!e.query&&(e.query=s.queryKey),h.socket(s.path,e)}Object.assign(lt,{Manager:pt,Socket:at,io:lt,connect:lt});export{pt as Manager,at as Socket,lt as connect,lt as default,lt as io,et as protocol};
+const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const e=Object.create(null);Object.keys(t).forEach((s=>{e[t[s]]=s}));const s={type:"error",data:"parser error"},n="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),i="function"==typeof ArrayBuffer,r=({type:e,data:s},r,h)=>{return n&&s instanceof Blob?r?h(s):o(s,h):i&&(s instanceof ArrayBuffer||(a=s,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(a):a&&a.buffer instanceof ArrayBuffer))?r?h(s):o(new Blob([s]),h):h(t[e]+(s||""));var a},o=(t,e)=>{const s=new FileReader;return s.onload=function(){const t=s.result.split(",")[1];e("b"+t)},s.readAsDataURL(t)},h="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",a="undefined"==typeof Uint8Array?[]:new Uint8Array(256);for(let t=0;t<h.length;t++)a[h.charCodeAt(t)]=t;const c="function"==typeof ArrayBuffer,p=(t,n)=>{if("string"!=typeof t)return{type:"message",data:l(t,n)};const i=t.charAt(0);if("b"===i)return{type:"message",data:u(t.substring(1),n)};return e[i]?t.length>1?{type:e[i],data:t.substring(1)}:{type:e[i]}:s},u=(t,e)=>{if(c){const s=(t=>{let e,s,n,i,r,o=.75*t.length,h=t.length,c=0;"="===t[t.length-1]&&(o--,"="===t[t.length-2]&&o--);const p=new ArrayBuffer(o),u=new Uint8Array(p);for(e=0;e<h;e+=4)s=a[t.charCodeAt(e)],n=a[t.charCodeAt(e+1)],i=a[t.charCodeAt(e+2)],r=a[t.charCodeAt(e+3)],u[c++]=s<<2|n>>4,u[c++]=(15&n)<<4|i>>2,u[c++]=(3&i)<<6|63&r;return p})(t);return l(s,e)}return{base64:!0,data:t}},l=(t,e)=>"blob"===e&&t instanceof ArrayBuffer?new Blob([t]):t,d=String.fromCharCode(30);function f(t){if(t)return function(t){for(var e in f.prototype)t[e]=f.prototype[e];return t}(t)}f.prototype.on=f.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},f.prototype.once=function(t,e){function s(){this.off(t,s),e.apply(this,arguments)}return s.fn=e,this.on(t,s),this},f.prototype.off=f.prototype.removeListener=f.prototype.removeAllListeners=f.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var s,n=this._callbacks["$"+t];if(!n)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<n.length;i++)if((s=n[i])===e||s.fn===e){n.splice(i,1);break}return 0===n.length&&delete this._callbacks["$"+t],this},f.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),s=this._callbacks["$"+t],n=1;n<arguments.length;n++)e[n-1]=arguments[n];if(s){n=0;for(var i=(s=s.slice(0)).length;n<i;++n)s[n].apply(this,e)}return this},f.prototype.emitReserved=f.prototype.emit,f.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},f.prototype.hasListeners=function(t){return!!this.listeners(t).length};const y="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function g(t,...e){return e.reduce(((e,s)=>(t.hasOwnProperty(s)&&(e[s]=t[s]),e)),{})}const m=y.setTimeout,b=y.clearTimeout;function v(t,e){e.useNativeTimers?(t.setTimeoutFn=m.bind(y),t.clearTimeoutFn=b.bind(y)):(t.setTimeoutFn=y.setTimeout.bind(y),t.clearTimeoutFn=y.clearTimeout.bind(y))}class k extends Error{constructor(t,e,s){super(t),this.description=e,this.context=s,this.type="TransportError"}}class w extends f{constructor(t){super(),this.writable=!1,v(this,t),this.opts=t,this.query=t.query,this.socket=t.socket}onError(t,e,s){return super.emitReserved("error",new k(t,e,s)),this}open(){return this.readyState="opening",this.doOpen(),this}close(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}send(t){"open"===this.readyState&&this.write(t)}onOpen(){this.readyState="open",this.writable=!0,super.emitReserved("open")}onData(t){const e=p(t,this.socket.binaryType);this.onPacket(e)}onPacket(t){super.emitReserved("packet",t)}onClose(t){this.readyState="closed",super.emitReserved("close",t)}pause(t){}}const _="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),E={};let A,O=0,R=0;function C(t){let e="";do{e=_[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function T(){const t=C(+new Date);return t!==A?(O=0,A=t):t+"."+C(O++)}for(;R<64;R++)E[_[R]]=R;function B(t){let e="";for(let s in t)t.hasOwnProperty(s)&&(e.length&&(e+="&"),e+=encodeURIComponent(s)+"="+encodeURIComponent(t[s]));return e}let x=!1;try{x="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(t){}const N=x;function L(t){const e=t.xdomain;try{if("undefined"!=typeof XMLHttpRequest&&(!e||N))return new XMLHttpRequest}catch(t){}if(!e)try{return new(y[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}function S(){}const q=null!=new L({xdomain:!1}).responseType;class P extends f{constructor(t,e){super(),v(this,e),this.opts=e,this.method=e.method||"GET",this.uri=t,this.async=!1!==e.async,this.data=void 0!==e.data?e.data:null,this.create()}create(){const t=g(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");t.xdomain=!!this.opts.xd,t.xscheme=!!this.opts.xs;const e=this.xhr=new L(t);try{e.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders){e.setDisableHeaderCheck&&e.setDisableHeaderCheck(!0);for(let t in this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(t)&&e.setRequestHeader(t,this.opts.extraHeaders[t])}}catch(t){}if("POST"===this.method)try{e.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{e.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in e&&(e.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(e.timeout=this.opts.requestTimeout),e.onreadystatechange=()=>{4===e.readyState&&(200===e.status||1223===e.status?this.onLoad():this.setTimeoutFn((()=>{this.onError("number"==typeof e.status?e.status:0)}),0))},e.send(this.data)}catch(t){return void this.setTimeoutFn((()=>{this.onError(t)}),0)}"undefined"!=typeof document&&(this.index=P.requestsCount++,P.requests[this.index]=this)}onError(t){this.emitReserved("error",t,this.xhr),this.cleanup(!0)}cleanup(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=S,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete P.requests[this.index],this.xhr=null}}onLoad(){const t=this.xhr.responseText;null!==t&&(this.emitReserved("data",t),this.emitReserved("success"),this.cleanup())}abort(){this.cleanup()}}if(P.requestsCount=0,P.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",j);else if("function"==typeof addEventListener){addEventListener("onpagehide"in y?"pagehide":"unload",j,!1)}function j(){for(let t in P.requests)P.requests.hasOwnProperty(t)&&P.requests[t].abort()}const I="function"==typeof Promise&&"function"==typeof Promise.resolve?t=>Promise.resolve().then(t):(t,e)=>e(t,0),D=y.WebSocket||y.MozWebSocket,F="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase();const M={websocket:class extends w{constructor(t){super(t),this.supportsBinary=!t.forceBase64}get name(){return"websocket"}doOpen(){if(!this.check())return;const t=this.uri(),e=this.opts.protocols,s=F?{}:g(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(s.headers=this.opts.extraHeaders);try{this.ws=F?new D(t,e,s):e?new D(t,e):new D(t)}catch(t){return this.emitReserved("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",this.addEventListeners()}addEventListeners(){this.ws.onopen=()=>{this.opts.autoUnref&&this.ws._socket.unref(),this.onOpen()},this.ws.onclose=t=>this.onClose({description:"websocket connection closed",context:t}),this.ws.onmessage=t=>this.onData(t.data),this.ws.onerror=t=>this.onError("websocket error",t)}write(t){this.writable=!1;for(let e=0;e<t.length;e++){const s=t[e],n=e===t.length-1;r(s,this.supportsBinary,(t=>{try{this.ws.send(t)}catch(t){}n&&I((()=>{this.writable=!0,this.emitReserved("drain")}),this.setTimeoutFn)}))}}doClose(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}uri(){let t=this.query||{};const e=this.opts.secure?"wss":"ws";let s="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(s=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=T()),this.supportsBinary||(t.b64=1);const n=B(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(n.length?"?"+n:"")}check(){return!!D}},polling:class extends w{constructor(t){if(super(t),this.polling=!1,"undefined"!=typeof location){const e="https:"===location.protocol;let s=location.port;s||(s=e?"443":"80"),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port,this.xs=t.secure!==e}const e=t&&t.forceBase64;this.supportsBinary=q&&!e}get name(){return"polling"}doOpen(){this.poll()}pause(t){this.readyState="pausing";const e=()=>{this.readyState="paused",t()};if(this.polling||!this.writable){let t=0;this.polling&&(t++,this.once("pollComplete",(function(){--t||e()}))),this.writable||(t++,this.once("drain",(function(){--t||e()})))}else e()}poll(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}onData(t){((t,e)=>{const s=t.split(d),n=[];for(let t=0;t<s.length;t++){const i=p(s[t],e);if(n.push(i),"error"===i.type)break}return n})(t,this.socket.binaryType).forEach((t=>{if("opening"===this.readyState&&"open"===t.type&&this.onOpen(),"close"===t.type)return this.onClose({description:"transport closed by the server"}),!1;this.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}doClose(){const t=()=>{this.write([{type:"close"}])};"open"===this.readyState?t():this.once("open",t)}write(t){this.writable=!1,((t,e)=>{const s=t.length,n=new Array(s);let i=0;t.forEach(((t,o)=>{r(t,!1,(t=>{n[o]=t,++i===s&&e(n.join(d))}))}))})(t,(t=>{this.doWrite(t,(()=>{this.writable=!0,this.emitReserved("drain")}))}))}uri(){let t=this.query||{};const e=this.opts.secure?"https":"http";let s="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=T()),this.supportsBinary||t.sid||(t.b64=1),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(s=":"+this.opts.port);const n=B(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(n.length?"?"+n:"")}request(t={}){return Object.assign(t,{xd:this.xd,xs:this.xs},this.opts),new P(this.uri(),t)}doWrite(t,e){const s=this.request({method:"POST",data:t});s.on("success",e),s.on("error",((t,e)=>{this.onError("xhr post error",t,e)}))}doPoll(){const t=this.request();t.on("data",this.onData.bind(this)),t.on("error",((t,e)=>{this.onError("xhr poll error",t,e)})),this.pollXhr=t}}},V=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,U=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function H(t){const e=t,s=t.indexOf("["),n=t.indexOf("]");-1!=s&&-1!=n&&(t=t.substring(0,s)+t.substring(s,n).replace(/:/g,";")+t.substring(n,t.length));let i=V.exec(t||""),r={},o=14;for(;o--;)r[U[o]]=i[o]||"";return-1!=s&&-1!=n&&(r.source=e,r.host=r.host.substring(1,r.host.length-1).replace(/;/g,":"),r.authority=r.authority.replace("[","").replace("]","").replace(/;/g,":"),r.ipv6uri=!0),r.pathNames=function(t,e){const s=/\/{2,9}/g,n=e.replace(s,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||n.splice(0,1);"/"==e.slice(-1)&&n.splice(n.length-1,1);return n}(0,r.path),r.queryKey=function(t,e){const s={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(s[e]=n)})),s}(0,r.query),r}class K extends f{constructor(t,e={}){super(),this.writeBuffer=[],t&&"object"==typeof t&&(e=t,t=null),t?(t=H(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=H(e.host).host),v(this,e),this.secure=null!=e.secure?e.secure:"undefined"!=typeof location&&"https:"===location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.hostname=e.hostname||("undefined"!=typeof location?location.hostname:"localhost"),this.port=e.port||("undefined"!=typeof location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket"],this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},e),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),"string"==typeof this.opts.query&&(this.opts.query=function(t){let e={},s=t.split("&");for(let t=0,n=s.length;t<n;t++){let n=s[t].split("=");e[decodeURIComponent(n[0])]=decodeURIComponent(n[1])}return e}(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,"function"==typeof addEventListener&&(this.opts.closeOnBeforeunload&&(this.beforeunloadEventListener=()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new M[t](s)}open(){let t;if(this.opts.rememberUpgrade&&K.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.emitReserved("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)}setTransport(t){this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(t=>this.onClose("transport close",t)))}probe(t){let e=this.createTransport(t),s=!1;K.priorWebsocketSuccess=!1;const n=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;K.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function i(){s||(s=!0,c(),e.close(),e=null)}const r=t=>{const s=new Error("probe error: "+t);s.transport=e.name,i(),this.emitReserved("upgradeError",s)};function o(){r("transport closed")}function h(){r("socket closed")}function a(t){e&&t.name!==e.name&&i()}const c=()=>{e.removeListener("open",n),e.removeListener("error",r),e.removeListener("close",o),this.off("close",h),this.off("upgrading",a)};e.once("open",n),e.once("error",r),e.once("close",o),this.once("close",h),this.once("upgrading",a),e.open()}onOpen(){if(this.readyState="open",K.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade){let t=0;const e=this.upgrades.length;for(;t<e;t++)this.probe(this.upgrades[t])}}onPacket(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":const e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}onHandshake(t){this.emitReserved("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.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}resetPingTimeout(){this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((()=>{this.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s<this.writeBuffer.length;s++){const n=this.writeBuffer[s].data;if(n&&(t+="string"==typeof(e=n)?function(t){let e=0,s=0;for(let n=0,i=t.length;n<i;n++)e=t.charCodeAt(n),e<128?s+=1:e<2048?s+=2:e<55296||e>=57344?s+=3:(n++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof s&&(n=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const i={type:t,data:e,options:s};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),n&&this.once("flush",n),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){K.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(t){const e=[];let s=0;const n=t.length;for(;s<n;s++)~this.transports.indexOf(t[s])&&e.push(t[s]);return e}}K.protocol=4;const Y="function"==typeof ArrayBuffer,z=Object.prototype.toString,W="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===z.call(Blob),$="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===z.call(File);function J(t){return Y&&(t instanceof ArrayBuffer||(t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer)(t))||W&&t instanceof Blob||$&&t instanceof File}function Q(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e<s;e++)if(Q(t[e]))return!0;return!1}if(J(t))return!0;if(t.toJSON&&"function"==typeof t.toJSON&&1===arguments.length)return Q(t.toJSON(),!0);for(const e in t)if(Object.prototype.hasOwnProperty.call(t,e)&&Q(t[e]))return!0;return!1}function X(t){const e=[],s=t.data,n=t;return n.data=G(s,e),n.attachments=e.length,{packet:n,buffers:e}}function G(t,e){if(!t)return t;if(J(t)){const s={_placeholder:!0,num:e.length};return e.push(t),s}if(Array.isArray(t)){const s=new Array(t.length);for(let n=0;n<t.length;n++)s[n]=G(t[n],e);return s}if("object"==typeof t&&!(t instanceof Date)){const s={};for(const n in t)Object.prototype.hasOwnProperty.call(t,n)&&(s[n]=G(t[n],e));return s}return t}function Z(t,e){return t.data=tt(t.data,e),delete t.attachments,t}function tt(t,e){if(!t)return t;if(t&&!0===t._placeholder){if("number"==typeof t.num&&t.num>=0&&t.num<e.length)return e[t.num];throw new Error("illegal attachments")}if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]=tt(t[s],e);else if("object"==typeof t)for(const s in t)Object.prototype.hasOwnProperty.call(t,s)&&(t[s]=tt(t[s],e));return t}const et=["connect","connect_error","disconnect","disconnecting","newListener","removeListener"],st=5;var nt;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(nt||(nt={}));function it(t){return"[object Object]"===Object.prototype.toString.call(t)}class rt extends f{constructor(t){super(),this.reviver=t}add(t){let e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");e=this.decodeString(t);const s=e.type===nt.BINARY_EVENT;s||e.type===nt.BINARY_ACK?(e.type=s?nt.EVENT:nt.ACK,this.reconstructor=new ot(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e)}else{if(!J(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emitReserved("decoded",e))}}decodeString(t){let e=0;const s={type:Number(t.charAt(0))};if(void 0===nt[s.type])throw new Error("unknown packet type "+s.type);if(s.type===nt.BINARY_EVENT||s.type===nt.BINARY_ACK){const n=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const i=t.substring(n,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(i)}if("/"===t.charAt(e+1)){const n=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}s.nsp=t.substring(n,e)}else s.nsp="/";const n=t.charAt(e+1);if(""!==n&&Number(n)==n){const n=e+1;for(;++e;){const s=t.charAt(e);if(null==s||Number(s)!=s){--e;break}if(e===t.length)break}s.id=Number(t.substring(n,e+1))}if(t.charAt(++e)){const n=this.tryParse(t.substr(e));if(!rt.isPayloadValid(s.type,n))throw new Error("invalid payload");s.data=n}return s}tryParse(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}static isPayloadValid(t,e){switch(t){case nt.CONNECT:return it(e);case nt.DISCONNECT:return void 0===e;case nt.CONNECT_ERROR:return"string"==typeof e||it(e);case nt.EVENT:case nt.BINARY_EVENT:return Array.isArray(e)&&("number"==typeof e[0]||"string"==typeof e[0]&&-1===et.indexOf(e[0]));case nt.ACK:case nt.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class ot{constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=Z(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var ht=Object.freeze({__proto__:null,protocol:5,get PacketType(){return nt},Encoder:class{constructor(t){this.replacer=t}encode(t){return t.type!==nt.EVENT&&t.type!==nt.ACK||!Q(t)?[this.encodeAsString(t)]:this.encodeAsBinary({type:t.type===nt.EVENT?nt.BINARY_EVENT:nt.BINARY_ACK,nsp:t.nsp,data:t.data,id:t.id})}encodeAsString(t){let e=""+t.type;return t.type!==nt.BINARY_EVENT&&t.type!==nt.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data,this.replacer)),e}encodeAsBinary(t){const e=X(t),s=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(s),n}},Decoder:rt});function at(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ct=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class pt extends f{constructor(t,e,s){super(),this.connected=!1,this.recovered=!1,this.receiveBuffer=[],this.sendBuffer=[],this._queue=[],this._queueSeq=0,this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this._opts=Object.assign({},s),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const t=this.io;this.subs=[at(t,"open",this.onopen.bind(this)),at(t,"packet",this.onpacket.bind(this)),at(t,"error",this.onerror.bind(this)),at(t,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}open(){return this.connect()}send(...t){return t.unshift("message"),this.emit.apply(this,t),this}emit(t,...e){if(ct.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');if(e.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(e),this;const s={type:nt.EVENT,data:e,options:{}};if(s.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]){const t=this.ids++,n=e.pop();this._registerAckCallback(t,n),s.id=t}const n=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!n||!this.connected)||(this.connected?(this.notifyOutgoingListeners(s),this.packet(s)):this.sendBuffer.push(s)),this.flags={},this}_registerAckCallback(t,e){var s;const n=null!==(s=this.flags.timeout)&&void 0!==s?s:this._opts.ackTimeout;if(void 0===n)return void(this.acks[t]=e);const i=this.io.setTimeoutFn((()=>{delete this.acks[t];for(let e=0;e<this.sendBuffer.length;e++)this.sendBuffer[e].id===t&&this.sendBuffer.splice(e,1);e.call(this,new Error("operation has timed out"))}),n);this.acks[t]=(...t)=>{this.io.clearTimeoutFn(i),e.apply(this,[null,...t])}}emitWithAck(t,...e){const s=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise(((n,i)=>{e.push(((t,e)=>s?t?i(t):n(e):n(t))),this.emit(t,...e)}))}_addToQueue(t){let e;"function"==typeof t[t.length-1]&&(e=t.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:t,flags:Object.assign({fromQueue:!0},this.flags)};t.push(((t,...n)=>{if(s!==this._queue[0])return;return null!==t?s.tryCount>this._opts.retries&&(this._queue.shift(),e&&e(t)):(this._queue.shift(),e&&e(null,...n)),s.pending=!1,this._drainQueue()})),this._queue.push(s),this._drainQueue()}_drainQueue(t=!1){if(!this.connected||0===this._queue.length)return;const e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this._sendConnectPacket(t)})):this._sendConnectPacket(this.auth)}_sendConnectPacket(t){this.packet({type:nt.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},t):t})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case nt.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case nt.EVENT:case nt.BINARY_EVENT:this.onevent(t);break;case nt.ACK:case nt.BINARY_ACK:this.onack(t);break;case nt.DISCONNECT:this.ondisconnect();break;case nt.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const s of e)s.apply(this,t)}super.emit.apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}ack(t){const e=this;let s=!1;return function(...n){s||(s=!0,e.packet({type:nt.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(t),this.packet(t)})),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach((t=>t())),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:nt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}prependAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}offAnyOutgoing(t){if(!this._anyOutgoingListeners)return this;if(t){const e=this._anyOutgoingListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const e=this._anyOutgoingListeners.slice();for(const s of e)s.apply(this,t.data)}}}function ut(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}ut.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},ut.prototype.reset=function(){this.attempts=0},ut.prototype.setMin=function(t){this.ms=t},ut.prototype.setMax=function(t){this.max=t},ut.prototype.setJitter=function(t){this.jitter=t};class lt extends f{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,v(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new ut({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const n=e.parser||ht;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new K(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=at(e,"open",(function(){s.onopen(),t&&t()})),i=at(e,"error",(e=>{s.cleanup(),s._readyState="closed",this.emitReserved("error",e),t?t(e):s.maybeReconnectOnOpen()}));if(!1!==this._timeout){const t=this._timeout;0===t&&n();const s=this.setTimeoutFn((()=>{n(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}return this.subs.push(n),this.subs.push(i),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(at(t,"ping",this.onping.bind(this)),at(t,"data",this.ondata.bind(this)),at(t,"error",this.onerror.bind(this)),at(t,"close",this.onclose.bind(this)),at(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}ondecoded(t){I((()=>{this.emitReserved("packet",t)}),this.setTimeoutFn)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s?this._autoConnect&&!s.active&&s.connect():(s=new pt(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;s<e.length;s++)this.engine.write(e[s],t.options)}cleanup(){this.subs.forEach((t=>t())),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const dt={};function ft(t,e){"object"==typeof t&&(e=t,t=void 0);const s=function(t,e="",s){let n=t;s=s||"undefined"!=typeof location&&location,null==t&&(t=s.protocol+"//"+s.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?s.protocol+t:s.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==s?s.protocol+"//"+t:"https://"+t),n=H(t)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";const i=-1!==n.host.indexOf(":")?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+i+":"+n.port+e,n.href=n.protocol+"://"+i+(s&&s.port===n.port?"":":"+n.port),n}(t,(e=e||{}).path||"/socket.io"),n=s.source,i=s.id,r=s.path,o=dt[i]&&r in dt[i].nsps;let h;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?h=new lt(n,e):(dt[i]||(dt[i]=new lt(n,e)),h=dt[i]),s.query&&!e.query&&(e.query=s.queryKey),h.socket(s.path,e)}Object.assign(ft,{Manager:lt,Socket:pt,io:ft,connect:ft});export{lt as Manager,pt as Socket,ft as connect,ft as default,ft as io,st as protocol};
 //# sourceMappingURL=socket.io.esm.min.js.map

dist/socket.io.min.js

 /*!
- * Socket.IO v4.6.1
+ * Socket.IO v4.6.2
  * (c) 2014-2023 Guillermo Rauch
  * Released under the MIT License.
  */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).io=e()}(this,(function(){"use strict";function t(e){return t="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},t(e)}function e(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function n(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function r(t,e,r){return e&&n(t.prototype,e),r&&n(t,r),Object.defineProperty(t,"prototype",{writable:!1}),t}function i(){return i=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(t[r]=n[r])}return t},i.apply(this,arguments)}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&a(t,e)}function s(t){return s=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)},s(t)}function a(t,e){return a=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t},a(t,e)}function c(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}function u(t,e,n){return u=c()?Reflect.construct.bind():function(t,e,n){var r=[null];r.push.apply(r,e);var i=new(Function.bind.apply(t,r));return n&&a(i,n.prototype),i},u.apply(null,arguments)}function h(t){var e="function"==typeof Map?new Map:void 0;return h=function(t){if(null===t||(n=t,-1===Function.toString.call(n).indexOf("[native code]")))return t;var n;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==e){if(e.has(t))return e.get(t);e.set(t,r)}function r(){return u(t,arguments,s(this).constructor)}return r.prototype=Object.create(t.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),a(r,t)},h(t)}function f(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function l(t,e){if(e&&("object"==typeof e||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return f(t)}function p(t){var e=c();return function(){var n,r=s(t);if(e){var i=s(this).constructor;n=Reflect.construct(r,arguments,i)}else n=r.apply(this,arguments);return l(this,n)}}function d(t,e){for(;!Object.prototype.hasOwnProperty.call(t,e)&&null!==(t=s(t)););return t}function y(){return y="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(t,e,n){var r=d(t,e);if(r){var i=Object.getOwnPropertyDescriptor(r,e);return i.get?i.get.call(arguments.length<3?t:n):i.value}},y.apply(this,arguments)}function v(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,r=new Array(e);n<e;n++)r[n]=t[n];return r}function g(t,e){var n="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!n){if(Array.isArray(t)||(n=function(t,e){if(t){if("string"==typeof t)return v(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Object"===n&&t.constructor&&(n=t.constructor.name),"Map"===n||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?v(t,e):void 0}}(t))||e&&t&&"number"==typeof t.length){n&&(t=n);var r=0,i=function(){};return{s:i,n:function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}},e:function(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var o,s=!0,a=!1;return{s:function(){n=n.call(t)},n:function(){var t=n.next();return s=t.done,t},e:function(t){a=!0,o=t},f:function(){try{s||null==n.return||n.return()}finally{if(a)throw o}}}}var m=Object.create(null);m.open="0",m.close="1",m.ping="2",m.pong="3",m.message="4",m.upgrade="5",m.noop="6";var k=Object.create(null);Object.keys(m).forEach((function(t){k[m[t]]=t}));for(var b={type:"error",data:"parser error"},w="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),_="function"==typeof ArrayBuffer,E=function(t,e,n){var r,i=t.type,o=t.data;return w&&o instanceof Blob?e?n(o):O(o,n):_&&(o instanceof ArrayBuffer||(r=o,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(r):r&&r.buffer instanceof ArrayBuffer))?e?n(o):O(new Blob([o]),n):n(m[i]+(o||""))},O=function(t,e){var n=new FileReader;return n.onload=function(){var t=n.result.split(",")[1];e("b"+t)},n.readAsDataURL(t)},A="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",R="undefined"==typeof Uint8Array?[]:new Uint8Array(256),T=0;T<A.length;T++)R[A.charCodeAt(T)]=T;var C="function"==typeof ArrayBuffer,B=function(t,e){if("string"!=typeof t)return{type:"message",data:N(t,e)};var n=t.charAt(0);return"b"===n?{type:"message",data:S(t.substring(1),e)}:k[n]?t.length>1?{type:k[n],data:t.substring(1)}:{type:k[n]}:b},S=function(t,e){if(C){var n=function(t){var e,n,r,i,o,s=.75*t.length,a=t.length,c=0;"="===t[t.length-1]&&(s--,"="===t[t.length-2]&&s--);var u=new ArrayBuffer(s),h=new Uint8Array(u);for(e=0;e<a;e+=4)n=R[t.charCodeAt(e)],r=R[t.charCodeAt(e+1)],i=R[t.charCodeAt(e+2)],o=R[t.charCodeAt(e+3)],h[c++]=n<<2|r>>4,h[c++]=(15&r)<<4|i>>2,h[c++]=(3&i)<<6|63&o;return u}(t);return N(n,e)}return{base64:!0,data:t}},N=function(t,e){return"blob"===e&&t instanceof ArrayBuffer?new Blob([t]):t},x=String.fromCharCode(30);function L(t){if(t)return function(t){for(var e in L.prototype)t[e]=L.prototype[e];return t}(t)}L.prototype.on=L.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},L.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},L.prototype.off=L.prototype.removeListener=L.prototype.removeAllListeners=L.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<r.length;i++)if((n=r[i])===e||n.fn===e){r.splice(i,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},L.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(n){r=0;for(var i=(n=n.slice(0)).length;r<i;++r)n[r].apply(this,e)}return this},L.prototype.emitReserved=L.prototype.emit,L.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},L.prototype.hasListeners=function(t){return!!this.listeners(t).length};var P="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function j(t){for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];return n.reduce((function(e,n){return t.hasOwnProperty(n)&&(e[n]=t[n]),e}),{})}var q=P.setTimeout,I=P.clearTimeout;function D(t,e){e.useNativeTimers?(t.setTimeoutFn=q.bind(P),t.clearTimeoutFn=I.bind(P)):(t.setTimeoutFn=P.setTimeout.bind(P),t.clearTimeoutFn=P.clearTimeout.bind(P))}var F,M=function(t){o(i,t);var n=p(i);function i(t,r,o){var s;return e(this,i),(s=n.call(this,t)).description=r,s.context=o,s.type="TransportError",s}return r(i)}(h(Error)),U=function(t){o(i,t);var n=p(i);function i(t){var r;return e(this,i),(r=n.call(this)).writable=!1,D(f(r),t),r.opts=t,r.query=t.query,r.socket=t.socket,r}return r(i,[{key:"onError",value:function(t,e,n){return y(s(i.prototype),"emitReserved",this).call(this,"error",new M(t,e,n)),this}},{key:"open",value:function(){return this.readyState="opening",this.doOpen(),this}},{key:"close",value:function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}},{key:"send",value:function(t){"open"===this.readyState&&this.write(t)}},{key:"onOpen",value:function(){this.readyState="open",this.writable=!0,y(s(i.prototype),"emitReserved",this).call(this,"open")}},{key:"onData",value:function(t){var e=B(t,this.socket.binaryType);this.onPacket(e)}},{key:"onPacket",value:function(t){y(s(i.prototype),"emitReserved",this).call(this,"packet",t)}},{key:"onClose",value:function(t){this.readyState="closed",y(s(i.prototype),"emitReserved",this).call(this,"close",t)}},{key:"pause",value:function(t){}}]),i}(L),V="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),H={},K=0,Y=0;function z(t){var e="";do{e=V[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function W(){var t=z(+new Date);return t!==F?(K=0,F=t):t+"."+z(K++)}for(;Y<64;Y++)H[V[Y]]=Y;function $(t){var e="";for(var n in t)t.hasOwnProperty(n)&&(e.length&&(e+="&"),e+=encodeURIComponent(n)+"="+encodeURIComponent(t[n]));return e}function J(t){for(var e={},n=t.split("&"),r=0,i=n.length;r<i;r++){var o=n[r].split("=");e[decodeURIComponent(o[0])]=decodeURIComponent(o[1])}return e}var Q=!1;try{Q="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(t){}var X=Q;function G(t){var e=t.xdomain;try{if("undefined"!=typeof XMLHttpRequest&&(!e||X))return new XMLHttpRequest}catch(t){}if(!e)try{return new(P[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}function Z(){}var tt=null!=new G({xdomain:!1}).responseType,et=function(t){o(s,t);var n=p(s);function s(t){var r;if(e(this,s),(r=n.call(this,t)).polling=!1,"undefined"!=typeof location){var i="https:"===location.protocol,o=location.port;o||(o=i?"443":"80"),r.xd="undefined"!=typeof location&&t.hostname!==location.hostname||o!==t.port,r.xs=t.secure!==i}var a=t&&t.forceBase64;return r.supportsBinary=tt&&!a,r}return r(s,[{key:"name",get:function(){return"polling"}},{key:"doOpen",value:function(){this.poll()}},{key:"pause",value:function(t){var e=this;this.readyState="pausing";var n=function(){e.readyState="paused",t()};if(this.polling||!this.writable){var r=0;this.polling&&(r++,this.once("pollComplete",(function(){--r||n()}))),this.writable||(r++,this.once("drain",(function(){--r||n()})))}else n()}},{key:"poll",value:function(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}},{key:"onData",value:function(t){var e=this;(function(t,e){for(var n=t.split(x),r=[],i=0;i<n.length;i++){var o=B(n[i],e);if(r.push(o),"error"===o.type)break}return r})(t,this.socket.binaryType).forEach((function(t){if("opening"===e.readyState&&"open"===t.type&&e.onOpen(),"close"===t.type)return e.onClose({description:"transport closed by the server"}),!1;e.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}},{key:"doClose",value:function(){var t=this,e=function(){t.write([{type:"close"}])};"open"===this.readyState?e():this.once("open",e)}},{key:"write",value:function(t){var e=this;this.writable=!1,function(t,e){var n=t.length,r=new Array(n),i=0;t.forEach((function(t,o){E(t,!1,(function(t){r[o]=t,++i===n&&e(r.join(x))}))}))}(t,(function(t){e.doWrite(t,(function(){e.writable=!0,e.emitReserved("drain")}))}))}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"https":"http",n="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=W()),this.supportsBinary||t.sid||(t.b64=1),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port);var r=$(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"request",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return i(t,{xd:this.xd,xs:this.xs},this.opts),new nt(this.uri(),t)}},{key:"doWrite",value:function(t,e){var n=this,r=this.request({method:"POST",data:t});r.on("success",e),r.on("error",(function(t,e){n.onError("xhr post error",t,e)}))}},{key:"doPoll",value:function(){var t=this,e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(function(e,n){t.onError("xhr poll error",e,n)})),this.pollXhr=e}}]),s}(U),nt=function(t){o(i,t);var n=p(i);function i(t,r){var o;return e(this,i),D(f(o=n.call(this)),r),o.opts=r,o.method=r.method||"GET",o.uri=t,o.async=!1!==r.async,o.data=void 0!==r.data?r.data:null,o.create(),o}return r(i,[{key:"create",value:function(){var t=this,e=j(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");e.xdomain=!!this.opts.xd,e.xscheme=!!this.opts.xs;var n=this.xhr=new G(e);try{n.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders)for(var r in n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0),this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(r)&&n.setRequestHeader(r,this.opts.extraHeaders[r])}catch(t){}if("POST"===this.method)try{n.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{n.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in n&&(n.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(n.timeout=this.opts.requestTimeout),n.onreadystatechange=function(){4===n.readyState&&(200===n.status||1223===n.status?t.onLoad():t.setTimeoutFn((function(){t.onError("number"==typeof n.status?n.status:0)}),0))},n.send(this.data)}catch(e){return void this.setTimeoutFn((function(){t.onError(e)}),0)}"undefined"!=typeof document&&(this.index=i.requestsCount++,i.requests[this.index]=this)}},{key:"onError",value:function(t){this.emitReserved("error",t,this.xhr),this.cleanup(!0)}},{key:"cleanup",value:function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=Z,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete i.requests[this.index],this.xhr=null}}},{key:"onLoad",value:function(){var t=this.xhr.responseText;null!==t&&(this.emitReserved("data",t),this.emitReserved("success"),this.cleanup())}},{key:"abort",value:function(){this.cleanup()}}]),i}(L);if(nt.requestsCount=0,nt.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",rt);else if("function"==typeof addEventListener){addEventListener("onpagehide"in P?"pagehide":"unload",rt,!1)}function rt(){for(var t in nt.requests)nt.requests.hasOwnProperty(t)&&nt.requests[t].abort()}var it="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)},ot=P.WebSocket||P.MozWebSocket,st="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),at=function(t){o(i,t);var n=p(i);function i(t){var r;return e(this,i),(r=n.call(this,t)).supportsBinary=!t.forceBase64,r}return r(i,[{key:"name",get:function(){return"websocket"}},{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=st?{}:j(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(n.headers=this.opts.extraHeaders);try{this.ws=st?new ot(t,e,n):e?new ot(t,e):new ot(t)}catch(t){return this.emitReserved("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",this.addEventListeners()}}},{key:"addEventListeners",value:function(){var t=this;this.ws.onopen=function(){t.opts.autoUnref&&t.ws._socket.unref(),t.onOpen()},this.ws.onclose=function(e){return t.onClose({description:"websocket connection closed",context:e})},this.ws.onmessage=function(e){return t.onData(e.data)},this.ws.onerror=function(e){return t.onError("websocket error",e)}}},{key:"write",value:function(t){var e=this;this.writable=!1;for(var n=function(n){var r=t[n],i=n===t.length-1;E(r,e.supportsBinary,(function(t){try{e.ws.send(t)}catch(t){}i&&it((function(){e.writable=!0,e.emitReserved("drain")}),e.setTimeoutFn)}))},r=0;r<t.length;r++)n(r)}},{key:"doClose",value:function(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"wss":"ws",n="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=W()),this.supportsBinary||(t.b64=1);var r=$(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!!ot}}]),i}(U),ct={websocket:at,polling:et},ut=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,ht=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function ft(t){var e=t,n=t.indexOf("["),r=t.indexOf("]");-1!=n&&-1!=r&&(t=t.substring(0,n)+t.substring(n,r).replace(/:/g,";")+t.substring(r,t.length));for(var i,o,s=ut.exec(t||""),a={},c=14;c--;)a[ht[c]]=s[c]||"";return-1!=n&&-1!=r&&(a.source=e,a.host=a.host.substring(1,a.host.length-1).replace(/;/g,":"),a.authority=a.authority.replace("[","").replace("]","").replace(/;/g,":"),a.ipv6uri=!0),a.pathNames=function(t,e){var n=/\/{2,9}/g,r=e.replace(n,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||r.splice(0,1);"/"==e.slice(-1)&&r.splice(r.length-1,1);return r}(0,a.path),a.queryKey=(i=a.query,o={},i.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(o[e]=n)})),o),a}var lt=function(n){o(a,n);var s=p(a);function a(n){var r,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return e(this,a),(r=s.call(this)).writeBuffer=[],n&&"object"===t(n)&&(o=n,n=null),n?(n=ft(n),o.hostname=n.host,o.secure="https"===n.protocol||"wss"===n.protocol,o.port=n.port,n.query&&(o.query=n.query)):o.host&&(o.hostname=ft(o.host).host),D(f(r),o),r.secure=null!=o.secure?o.secure:"undefined"!=typeof location&&"https:"===location.protocol,o.hostname&&!o.port&&(o.port=r.secure?"443":"80"),r.hostname=o.hostname||("undefined"!=typeof location?location.hostname:"localhost"),r.port=o.port||("undefined"!=typeof location&&location.port?location.port:r.secure?"443":"80"),r.transports=o.transports||["polling","websocket"],r.writeBuffer=[],r.prevBufferLen=0,r.opts=i({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},o),r.opts.path=r.opts.path.replace(/\/$/,"")+(r.opts.addTrailingSlash?"/":""),"string"==typeof r.opts.query&&(r.opts.query=J(r.opts.query)),r.id=null,r.upgrades=null,r.pingInterval=null,r.pingTimeout=null,r.pingTimeoutTimer=null,"function"==typeof addEventListener&&(r.opts.closeOnBeforeunload&&(r.beforeunloadEventListener=function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())},addEventListener("beforeunload",r.beforeunloadEventListener,!1)),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=i({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=i({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ct[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("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)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function o(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,o(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function u(){s("socket closed")}function h(t){n&&t.name!==n.name&&o()}var f=function(){n.removeListener("open",i),n.removeListener("error",s),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",i),n.once("error",s),n.once("close",c),this.once("close",u),this.once("upgrading",h),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("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.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],n=0,r=t.length;n<r;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(L);lt.protocol=4,lt.protocol;var pt="function"==typeof ArrayBuffer,dt=Object.prototype.toString,yt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===dt.call(Blob),vt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===dt.call(File);function gt(t){return pt&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||yt&&t instanceof Blob||vt&&t instanceof File}function mt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,i=e.length;r<i;r++)if(mt(e[r]))return!0;return!1}if(gt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return mt(e.toJSON(),!0);for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)&&mt(e[o]))return!0;return!1}function kt(t){var e=[],n=t.data,r=t;return r.data=bt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function bt(e,n){if(!e)return e;if(gt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var i=new Array(e.length),o=0;o<e.length;o++)i[o]=bt(e[o],n);return i}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)Object.prototype.hasOwnProperty.call(e,a)&&(s[a]=bt(e[a],n));return s}return e}function wt(t,e){return t.data=_t(t.data,e),delete t.attachments,t}function _t(e,n){if(!e)return e;if(e&&!0===e._placeholder){if("number"==typeof e.num&&e.num>=0&&e.num<n.length)return n[e.num];throw new Error("illegal attachments")}if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=_t(e[r],n);else if("object"===t(e))for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(e[i]=_t(e[i],n));return e}var Et;!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(Et||(Et={}));var Ot=function(){function t(n){e(this,t),this.replacer=n}return r(t,[{key:"encode",value:function(t){return t.type!==Et.EVENT&&t.type!==Et.ACK||!mt(t)?[this.encodeAsString(t)]:this.encodeAsBinary({type:t.type===Et.EVENT?Et.BINARY_EVENT:Et.BINARY_ACK,nsp:t.nsp,data:t.data,id:t.id})}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==Et.BINARY_EVENT&&t.type!==Et.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data,this.replacer)),e}},{key:"encodeAsBinary",value:function(t){var e=kt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}(),At=function(n){o(a,n);var i=p(a);function a(t){var n;return e(this,a),(n=i.call(this)).reviver=t,n}return r(a,[{key:"add",value:function(t){var e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");var n=(e=this.decodeString(t)).type===Et.BINARY_EVENT;n||e.type===Et.BINARY_ACK?(e.type=n?Et.EVENT:Et.ACK,this.reconstructor=new Rt(e),0===e.attachments&&y(s(a.prototype),"emitReserved",this).call(this,"decoded",e)):y(s(a.prototype),"emitReserved",this).call(this,"decoded",e)}else{if(!gt(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");(e=this.reconstructor.takeBinaryData(t))&&(this.reconstructor=null,y(s(a.prototype),"emitReserved",this).call(this,"decoded",e))}}},{key:"decodeString",value:function(t){var e=0,n={type:Number(t.charAt(0))};if(void 0===Et[n.type])throw new Error("unknown packet type "+n.type);if(n.type===Et.BINARY_EVENT||n.type===Et.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var i=t.substring(r,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(i)}if("/"===t.charAt(e+1)){for(var o=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(o,e)}else n.nsp="/";var s=t.charAt(e+1);if(""!==s&&Number(s)==s){for(var c=e+1;++e;){var u=t.charAt(e);if(null==u||Number(u)!=u){--e;break}if(e===t.length)break}n.id=Number(t.substring(c,e+1))}if(t.charAt(++e)){var h=this.tryParse(t.substr(e));if(!a.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"tryParse",value:function(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}},{key:"destroy",value:function(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}],[{key:"isPayloadValid",value:function(e,n){switch(e){case Et.CONNECT:return"object"===t(n);case Et.DISCONNECT:return void 0===n;case Et.CONNECT_ERROR:return"string"==typeof n||"object"===t(n);case Et.EVENT:case Et.BINARY_EVENT:return Array.isArray(n)&&n.length>0;case Et.ACK:case Et.BINARY_ACK:return Array.isArray(n)}}}]),a}(L),Rt=function(){function t(n){e(this,t),this.packet=n,this.buffers=[],this.reconPack=n}return r(t,[{key:"takeBinaryData",value:function(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){var e=wt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),Tt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return Et},Encoder:Ot,Decoder:At});function Ct(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Bt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),St=function(t){o(a,t);var n=p(a);function a(t,r,o){var s;return e(this,a),(s=n.call(this)).connected=!1,s.recovered=!1,s.receiveBuffer=[],s.sendBuffer=[],s._queue=[],s._queueSeq=0,s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,o&&o.auth&&(s.auth=o.auth),s._opts=i({},o),s.io._autoConnect&&s.open(),s}return r(a,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Ct(t,"open",this.onopen.bind(this)),Ct(t,"packet",this.onpacket.bind(this)),Ct(t,"error",this.onerror.bind(this)),Ct(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(Bt.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];if(n.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(n),this;var i={type:Et.EVENT,data:n,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var o=this.ids++,s=n.pop();this._registerAckCallback(o,s),i.id=o}var a=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,c=this.flags.volatile&&(!a||!this.connected);return c||(this.connected?(this.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n,r=this,i=null!==(n=this.flags.timeout)&&void 0!==n?n:this._opts.ackTimeout;if(void 0!==i){var o=this.io.setTimeoutFn((function(){delete r.acks[t];for(var n=0;n<r.sendBuffer.length;n++)r.sendBuffer[n].id===t&&r.sendBuffer.splice(n,1);e.call(r,new Error("operation has timed out"))}),i);this.acks[t]=function(){r.io.clearTimeoutFn(o);for(var t=arguments.length,n=new Array(t),i=0;i<t;i++)n[i]=arguments[i];e.apply(r,[null].concat(n))}}else this.acks[t]=e}},{key:"emitWithAck",value:function(t){for(var e=this,n=arguments.length,r=new Array(n>1?n-1:0),i=1;i<n;i++)r[i-1]=arguments[i];var o=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise((function(n,i){r.push((function(t,e){return o?t?i(t):n(e):n(t)})),e.emit.apply(e,[t].concat(r))}))}},{key:"_addToQueue",value:function(t){var e,n=this;"function"==typeof t[t.length-1]&&(e=t.pop());var r={id:this._queueSeq++,tryCount:0,pending:!1,args:t,flags:i({fromQueue:!0},this.flags)};t.push((function(t){if(r===n._queue[0]){var i=null!==t;if(i)r.tryCount>n._opts.retries&&(n._queue.shift(),e&&e(t));else if(n._queue.shift(),e){for(var o=arguments.length,s=new Array(o>1?o-1:0),a=1;a<o;a++)s[a-1]=arguments[a];e.apply(void 0,[null].concat(s))}return r.pending=!1,n._drainQueue()}})),this._queue.push(r),this._drainQueue()}},{key:"_drainQueue",value:function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(this.connected&&0!==this._queue.length){var e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t._sendConnectPacket(e)})):this._sendConnectPacket(this.auth)}},{key:"_sendConnectPacket",value:function(t){this.packet({type:Et.CONNECT,data:this._pid?i({pid:this._pid,offset:this._lastOffset},t):t})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case Et.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case Et.EVENT:case Et.BINARY_EVENT:this.onevent(t);break;case Et.ACK:case Et.BINARY_ACK:this.onack(t);break;case Et.DISCONNECT:this.ondisconnect();break;case Et.CONNECT_ERROR:this.destroy();var e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=g(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}y(s(a.prototype),"emit",this).apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),o=0;o<r;o++)i[o]=arguments[o];e.packet({type:Et.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:Et.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=g(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),a}(L);function Nt(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}Nt.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},Nt.prototype.reset=function(){this.attempts=0},Nt.prototype.setMin=function(t){this.ms=t},Nt.prototype.setMax=function(t){this.max=t},Nt.prototype.setJitter=function(t){this.jitter=t};var xt=function(n){o(s,n);var i=p(s);function s(n,r){var o,a;e(this,s),(o=i.call(this)).nsps={},o.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",o.opts=r,D(f(o),r),o.reconnection(!1!==r.reconnection),o.reconnectionAttempts(r.reconnectionAttempts||1/0),o.reconnectionDelay(r.reconnectionDelay||1e3),o.reconnectionDelayMax(r.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new Nt({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==r.timeout?2e4:r.timeout),o._readyState="closed",o.uri=n;var c=r.parser||Tt;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==r.autoConnect,o._autoConnect&&o.open(),o}return r(s,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new lt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=Ct(n,"open",(function(){r.onopen(),t&&t()})),o=Ct(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(o),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(Ct(t,"ping",this.onping.bind(this)),Ct(t,"data",this.ondata.bind(this)),Ct(t,"error",this.onerror.bind(this)),Ct(t,"close",this.onclose.bind(this)),Ct(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;it((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n?this._autoConnect&&!n.active&&n.connect():(n=new St(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(L),Lt={};function Pt(e,n){"object"===t(e)&&(n=e,e=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=ft(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(e,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,c=Lt[s]&&a in Lt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new xt(o,n):(Lt[s]||(Lt[s]=new xt(o,n)),r=Lt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return i(Pt,{Manager:xt,Socket:St,io:Pt,connect:Pt}),Pt}));
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).io=e()}(this,(function(){"use strict";function t(e){return t="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},t(e)}function e(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function n(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function r(t,e,r){return e&&n(t.prototype,e),r&&n(t,r),Object.defineProperty(t,"prototype",{writable:!1}),t}function i(){return i=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(t[r]=n[r])}return t},i.apply(this,arguments)}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&a(t,e)}function s(t){return s=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)},s(t)}function a(t,e){return a=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t},a(t,e)}function c(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}function u(t,e,n){return u=c()?Reflect.construct.bind():function(t,e,n){var r=[null];r.push.apply(r,e);var i=new(Function.bind.apply(t,r));return n&&a(i,n.prototype),i},u.apply(null,arguments)}function h(t){var e="function"==typeof Map?new Map:void 0;return h=function(t){if(null===t||(n=t,-1===Function.toString.call(n).indexOf("[native code]")))return t;var n;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==e){if(e.has(t))return e.get(t);e.set(t,r)}function r(){return u(t,arguments,s(this).constructor)}return r.prototype=Object.create(t.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),a(r,t)},h(t)}function f(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function l(t,e){if(e&&("object"==typeof e||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return f(t)}function p(t){var e=c();return function(){var n,r=s(t);if(e){var i=s(this).constructor;n=Reflect.construct(r,arguments,i)}else n=r.apply(this,arguments);return l(this,n)}}function d(t,e){for(;!Object.prototype.hasOwnProperty.call(t,e)&&null!==(t=s(t)););return t}function y(){return y="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(t,e,n){var r=d(t,e);if(r){var i=Object.getOwnPropertyDescriptor(r,e);return i.get?i.get.call(arguments.length<3?t:n):i.value}},y.apply(this,arguments)}function v(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,r=new Array(e);n<e;n++)r[n]=t[n];return r}function g(t,e){var n="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!n){if(Array.isArray(t)||(n=function(t,e){if(t){if("string"==typeof t)return v(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Object"===n&&t.constructor&&(n=t.constructor.name),"Map"===n||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?v(t,e):void 0}}(t))||e&&t&&"number"==typeof t.length){n&&(t=n);var r=0,i=function(){};return{s:i,n:function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}},e:function(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var o,s=!0,a=!1;return{s:function(){n=n.call(t)},n:function(){var t=n.next();return s=t.done,t},e:function(t){a=!0,o=t},f:function(){try{s||null==n.return||n.return()}finally{if(a)throw o}}}}var m=Object.create(null);m.open="0",m.close="1",m.ping="2",m.pong="3",m.message="4",m.upgrade="5",m.noop="6";var k=Object.create(null);Object.keys(m).forEach((function(t){k[m[t]]=t}));for(var b={type:"error",data:"parser error"},w="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),_="function"==typeof ArrayBuffer,O=function(t,e,n){var r,i=t.type,o=t.data;return w&&o instanceof Blob?e?n(o):E(o,n):_&&(o instanceof ArrayBuffer||(r=o,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(r):r&&r.buffer instanceof ArrayBuffer))?e?n(o):E(new Blob([o]),n):n(m[i]+(o||""))},E=function(t,e){var n=new FileReader;return n.onload=function(){var t=n.result.split(",")[1];e("b"+t)},n.readAsDataURL(t)},A="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",R="undefined"==typeof Uint8Array?[]:new Uint8Array(256),T=0;T<A.length;T++)R[A.charCodeAt(T)]=T;var C="function"==typeof ArrayBuffer,B=function(t,e){if("string"!=typeof t)return{type:"message",data:N(t,e)};var n=t.charAt(0);return"b"===n?{type:"message",data:S(t.substring(1),e)}:k[n]?t.length>1?{type:k[n],data:t.substring(1)}:{type:k[n]}:b},S=function(t,e){if(C){var n=function(t){var e,n,r,i,o,s=.75*t.length,a=t.length,c=0;"="===t[t.length-1]&&(s--,"="===t[t.length-2]&&s--);var u=new ArrayBuffer(s),h=new Uint8Array(u);for(e=0;e<a;e+=4)n=R[t.charCodeAt(e)],r=R[t.charCodeAt(e+1)],i=R[t.charCodeAt(e+2)],o=R[t.charCodeAt(e+3)],h[c++]=n<<2|r>>4,h[c++]=(15&r)<<4|i>>2,h[c++]=(3&i)<<6|63&o;return u}(t);return N(n,e)}return{base64:!0,data:t}},N=function(t,e){return"blob"===e&&t instanceof ArrayBuffer?new Blob([t]):t},x=String.fromCharCode(30);function L(t){if(t)return function(t){for(var e in L.prototype)t[e]=L.prototype[e];return t}(t)}L.prototype.on=L.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},L.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},L.prototype.off=L.prototype.removeListener=L.prototype.removeAllListeners=L.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<r.length;i++)if((n=r[i])===e||n.fn===e){r.splice(i,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},L.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(n){r=0;for(var i=(n=n.slice(0)).length;r<i;++r)n[r].apply(this,e)}return this},L.prototype.emitReserved=L.prototype.emit,L.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},L.prototype.hasListeners=function(t){return!!this.listeners(t).length};var P="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function j(t){for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];return n.reduce((function(e,n){return t.hasOwnProperty(n)&&(e[n]=t[n]),e}),{})}var q=P.setTimeout,I=P.clearTimeout;function D(t,e){e.useNativeTimers?(t.setTimeoutFn=q.bind(P),t.clearTimeoutFn=I.bind(P)):(t.setTimeoutFn=P.setTimeout.bind(P),t.clearTimeoutFn=P.clearTimeout.bind(P))}var F,M=function(t){o(i,t);var n=p(i);function i(t,r,o){var s;return e(this,i),(s=n.call(this,t)).description=r,s.context=o,s.type="TransportError",s}return r(i)}(h(Error)),U=function(t){o(i,t);var n=p(i);function i(t){var r;return e(this,i),(r=n.call(this)).writable=!1,D(f(r),t),r.opts=t,r.query=t.query,r.socket=t.socket,r}return r(i,[{key:"onError",value:function(t,e,n){return y(s(i.prototype),"emitReserved",this).call(this,"error",new M(t,e,n)),this}},{key:"open",value:function(){return this.readyState="opening",this.doOpen(),this}},{key:"close",value:function(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}},{key:"send",value:function(t){"open"===this.readyState&&this.write(t)}},{key:"onOpen",value:function(){this.readyState="open",this.writable=!0,y(s(i.prototype),"emitReserved",this).call(this,"open")}},{key:"onData",value:function(t){var e=B(t,this.socket.binaryType);this.onPacket(e)}},{key:"onPacket",value:function(t){y(s(i.prototype),"emitReserved",this).call(this,"packet",t)}},{key:"onClose",value:function(t){this.readyState="closed",y(s(i.prototype),"emitReserved",this).call(this,"close",t)}},{key:"pause",value:function(t){}}]),i}(L),V="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),H={},K=0,Y=0;function z(t){var e="";do{e=V[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function W(){var t=z(+new Date);return t!==F?(K=0,F=t):t+"."+z(K++)}for(;Y<64;Y++)H[V[Y]]=Y;function $(t){var e="";for(var n in t)t.hasOwnProperty(n)&&(e.length&&(e+="&"),e+=encodeURIComponent(n)+"="+encodeURIComponent(t[n]));return e}function J(t){for(var e={},n=t.split("&"),r=0,i=n.length;r<i;r++){var o=n[r].split("=");e[decodeURIComponent(o[0])]=decodeURIComponent(o[1])}return e}var Q=!1;try{Q="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(t){}var X=Q;function G(t){var e=t.xdomain;try{if("undefined"!=typeof XMLHttpRequest&&(!e||X))return new XMLHttpRequest}catch(t){}if(!e)try{return new(P[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}function Z(){}var tt=null!=new G({xdomain:!1}).responseType,et=function(t){o(s,t);var n=p(s);function s(t){var r;if(e(this,s),(r=n.call(this,t)).polling=!1,"undefined"!=typeof location){var i="https:"===location.protocol,o=location.port;o||(o=i?"443":"80"),r.xd="undefined"!=typeof location&&t.hostname!==location.hostname||o!==t.port,r.xs=t.secure!==i}var a=t&&t.forceBase64;return r.supportsBinary=tt&&!a,r}return r(s,[{key:"name",get:function(){return"polling"}},{key:"doOpen",value:function(){this.poll()}},{key:"pause",value:function(t){var e=this;this.readyState="pausing";var n=function(){e.readyState="paused",t()};if(this.polling||!this.writable){var r=0;this.polling&&(r++,this.once("pollComplete",(function(){--r||n()}))),this.writable||(r++,this.once("drain",(function(){--r||n()})))}else n()}},{key:"poll",value:function(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}},{key:"onData",value:function(t){var e=this;(function(t,e){for(var n=t.split(x),r=[],i=0;i<n.length;i++){var o=B(n[i],e);if(r.push(o),"error"===o.type)break}return r})(t,this.socket.binaryType).forEach((function(t){if("opening"===e.readyState&&"open"===t.type&&e.onOpen(),"close"===t.type)return e.onClose({description:"transport closed by the server"}),!1;e.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}},{key:"doClose",value:function(){var t=this,e=function(){t.write([{type:"close"}])};"open"===this.readyState?e():this.once("open",e)}},{key:"write",value:function(t){var e=this;this.writable=!1,function(t,e){var n=t.length,r=new Array(n),i=0;t.forEach((function(t,o){O(t,!1,(function(t){r[o]=t,++i===n&&e(r.join(x))}))}))}(t,(function(t){e.doWrite(t,(function(){e.writable=!0,e.emitReserved("drain")}))}))}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"https":"http",n="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=W()),this.supportsBinary||t.sid||(t.b64=1),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port);var r=$(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"request",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return i(t,{xd:this.xd,xs:this.xs},this.opts),new nt(this.uri(),t)}},{key:"doWrite",value:function(t,e){var n=this,r=this.request({method:"POST",data:t});r.on("success",e),r.on("error",(function(t,e){n.onError("xhr post error",t,e)}))}},{key:"doPoll",value:function(){var t=this,e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(function(e,n){t.onError("xhr poll error",e,n)})),this.pollXhr=e}}]),s}(U),nt=function(t){o(i,t);var n=p(i);function i(t,r){var o;return e(this,i),D(f(o=n.call(this)),r),o.opts=r,o.method=r.method||"GET",o.uri=t,o.async=!1!==r.async,o.data=void 0!==r.data?r.data:null,o.create(),o}return r(i,[{key:"create",value:function(){var t=this,e=j(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");e.xdomain=!!this.opts.xd,e.xscheme=!!this.opts.xs;var n=this.xhr=new G(e);try{n.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders)for(var r in n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0),this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(r)&&n.setRequestHeader(r,this.opts.extraHeaders[r])}catch(t){}if("POST"===this.method)try{n.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{n.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in n&&(n.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(n.timeout=this.opts.requestTimeout),n.onreadystatechange=function(){4===n.readyState&&(200===n.status||1223===n.status?t.onLoad():t.setTimeoutFn((function(){t.onError("number"==typeof n.status?n.status:0)}),0))},n.send(this.data)}catch(e){return void this.setTimeoutFn((function(){t.onError(e)}),0)}"undefined"!=typeof document&&(this.index=i.requestsCount++,i.requests[this.index]=this)}},{key:"onError",value:function(t){this.emitReserved("error",t,this.xhr),this.cleanup(!0)}},{key:"cleanup",value:function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=Z,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete i.requests[this.index],this.xhr=null}}},{key:"onLoad",value:function(){var t=this.xhr.responseText;null!==t&&(this.emitReserved("data",t),this.emitReserved("success"),this.cleanup())}},{key:"abort",value:function(){this.cleanup()}}]),i}(L);if(nt.requestsCount=0,nt.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",rt);else if("function"==typeof addEventListener){addEventListener("onpagehide"in P?"pagehide":"unload",rt,!1)}function rt(){for(var t in nt.requests)nt.requests.hasOwnProperty(t)&&nt.requests[t].abort()}var it="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)},ot=P.WebSocket||P.MozWebSocket,st="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),at=function(t){o(i,t);var n=p(i);function i(t){var r;return e(this,i),(r=n.call(this,t)).supportsBinary=!t.forceBase64,r}return r(i,[{key:"name",get:function(){return"websocket"}},{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=st?{}:j(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(n.headers=this.opts.extraHeaders);try{this.ws=st?new ot(t,e,n):e?new ot(t,e):new ot(t)}catch(t){return this.emitReserved("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",this.addEventListeners()}}},{key:"addEventListeners",value:function(){var t=this;this.ws.onopen=function(){t.opts.autoUnref&&t.ws._socket.unref(),t.onOpen()},this.ws.onclose=function(e){return t.onClose({description:"websocket connection closed",context:e})},this.ws.onmessage=function(e){return t.onData(e.data)},this.ws.onerror=function(e){return t.onError("websocket error",e)}}},{key:"write",value:function(t){var e=this;this.writable=!1;for(var n=function(n){var r=t[n],i=n===t.length-1;O(r,e.supportsBinary,(function(t){try{e.ws.send(t)}catch(t){}i&&it((function(){e.writable=!0,e.emitReserved("drain")}),e.setTimeoutFn)}))},r=0;r<t.length;r++)n(r)}},{key:"doClose",value:function(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"wss":"ws",n="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=W()),this.supportsBinary||(t.b64=1);var r=$(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!!ot}}]),i}(U),ct={websocket:at,polling:et},ut=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,ht=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function ft(t){var e=t,n=t.indexOf("["),r=t.indexOf("]");-1!=n&&-1!=r&&(t=t.substring(0,n)+t.substring(n,r).replace(/:/g,";")+t.substring(r,t.length));for(var i,o,s=ut.exec(t||""),a={},c=14;c--;)a[ht[c]]=s[c]||"";return-1!=n&&-1!=r&&(a.source=e,a.host=a.host.substring(1,a.host.length-1).replace(/;/g,":"),a.authority=a.authority.replace("[","").replace("]","").replace(/;/g,":"),a.ipv6uri=!0),a.pathNames=function(t,e){var n=/\/{2,9}/g,r=e.replace(n,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||r.splice(0,1);"/"==e.slice(-1)&&r.splice(r.length-1,1);return r}(0,a.path),a.queryKey=(i=a.query,o={},i.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(o[e]=n)})),o),a}var lt=function(n){o(a,n);var s=p(a);function a(n){var r,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return e(this,a),(r=s.call(this)).writeBuffer=[],n&&"object"===t(n)&&(o=n,n=null),n?(n=ft(n),o.hostname=n.host,o.secure="https"===n.protocol||"wss"===n.protocol,o.port=n.port,n.query&&(o.query=n.query)):o.host&&(o.hostname=ft(o.host).host),D(f(r),o),r.secure=null!=o.secure?o.secure:"undefined"!=typeof location&&"https:"===location.protocol,o.hostname&&!o.port&&(o.port=r.secure?"443":"80"),r.hostname=o.hostname||("undefined"!=typeof location?location.hostname:"localhost"),r.port=o.port||("undefined"!=typeof location&&location.port?location.port:r.secure?"443":"80"),r.transports=o.transports||["polling","websocket"],r.writeBuffer=[],r.prevBufferLen=0,r.opts=i({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},o),r.opts.path=r.opts.path.replace(/\/$/,"")+(r.opts.addTrailingSlash?"/":""),"string"==typeof r.opts.query&&(r.opts.query=J(r.opts.query)),r.id=null,r.upgrades=null,r.pingInterval=null,r.pingTimeout=null,r.pingTimeoutTimer=null,"function"==typeof addEventListener&&(r.opts.closeOnBeforeunload&&(r.beforeunloadEventListener=function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())},addEventListener("beforeunload",r.beforeunloadEventListener,!1)),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=i({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=i({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ct[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("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)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function o(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,o(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function u(){s("socket closed")}function h(t){n&&t.name!==n.name&&o()}var f=function(){n.removeListener("open",i),n.removeListener("error",s),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",i),n.once("error",s),n.once("close",c),this.once("close",u),this.once("upgrading",h),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("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.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],n=0,r=t.length;n<r;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(L);lt.protocol=4,lt.protocol;var pt="function"==typeof ArrayBuffer,dt=Object.prototype.toString,yt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===dt.call(Blob),vt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===dt.call(File);function gt(t){return pt&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||yt&&t instanceof Blob||vt&&t instanceof File}function mt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,i=e.length;r<i;r++)if(mt(e[r]))return!0;return!1}if(gt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return mt(e.toJSON(),!0);for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)&&mt(e[o]))return!0;return!1}function kt(t){var e=[],n=t.data,r=t;return r.data=bt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function bt(e,n){if(!e)return e;if(gt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var i=new Array(e.length),o=0;o<e.length;o++)i[o]=bt(e[o],n);return i}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)Object.prototype.hasOwnProperty.call(e,a)&&(s[a]=bt(e[a],n));return s}return e}function wt(t,e){return t.data=_t(t.data,e),delete t.attachments,t}function _t(e,n){if(!e)return e;if(e&&!0===e._placeholder){if("number"==typeof e.num&&e.num>=0&&e.num<n.length)return n[e.num];throw new Error("illegal attachments")}if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=_t(e[r],n);else if("object"===t(e))for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(e[i]=_t(e[i],n));return e}var Ot,Et=["connect","connect_error","disconnect","disconnecting","newListener","removeListener"];!function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(Ot||(Ot={}));var At=function(){function t(n){e(this,t),this.replacer=n}return r(t,[{key:"encode",value:function(t){return t.type!==Ot.EVENT&&t.type!==Ot.ACK||!mt(t)?[this.encodeAsString(t)]:this.encodeAsBinary({type:t.type===Ot.EVENT?Ot.BINARY_EVENT:Ot.BINARY_ACK,nsp:t.nsp,data:t.data,id:t.id})}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==Ot.BINARY_EVENT&&t.type!==Ot.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data,this.replacer)),e}},{key:"encodeAsBinary",value:function(t){var e=kt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}();function Rt(t){return"[object Object]"===Object.prototype.toString.call(t)}var Tt=function(t){o(i,t);var n=p(i);function i(t){var r;return e(this,i),(r=n.call(this)).reviver=t,r}return r(i,[{key:"add",value:function(t){var e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");var n=(e=this.decodeString(t)).type===Ot.BINARY_EVENT;n||e.type===Ot.BINARY_ACK?(e.type=n?Ot.EVENT:Ot.ACK,this.reconstructor=new Ct(e),0===e.attachments&&y(s(i.prototype),"emitReserved",this).call(this,"decoded",e)):y(s(i.prototype),"emitReserved",this).call(this,"decoded",e)}else{if(!gt(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");(e=this.reconstructor.takeBinaryData(t))&&(this.reconstructor=null,y(s(i.prototype),"emitReserved",this).call(this,"decoded",e))}}},{key:"decodeString",value:function(t){var e=0,n={type:Number(t.charAt(0))};if(void 0===Ot[n.type])throw new Error("unknown packet type "+n.type);if(n.type===Ot.BINARY_EVENT||n.type===Ot.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var o=t.substring(r,e);if(o!=Number(o)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(o)}if("/"===t.charAt(e+1)){for(var s=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(s,e)}else n.nsp="/";var a=t.charAt(e+1);if(""!==a&&Number(a)==a){for(var c=e+1;++e;){var u=t.charAt(e);if(null==u||Number(u)!=u){--e;break}if(e===t.length)break}n.id=Number(t.substring(c,e+1))}if(t.charAt(++e)){var h=this.tryParse(t.substr(e));if(!i.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"tryParse",value:function(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}},{key:"destroy",value:function(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}],[{key:"isPayloadValid",value:function(t,e){switch(t){case Ot.CONNECT:return Rt(e);case Ot.DISCONNECT:return void 0===e;case Ot.CONNECT_ERROR:return"string"==typeof e||Rt(e);case Ot.EVENT:case Ot.BINARY_EVENT:return Array.isArray(e)&&("number"==typeof e[0]||"string"==typeof e[0]&&-1===Et.indexOf(e[0]));case Ot.ACK:case Ot.BINARY_ACK:return Array.isArray(e)}}}]),i}(L),Ct=function(){function t(n){e(this,t),this.packet=n,this.buffers=[],this.reconPack=n}return r(t,[{key:"takeBinaryData",value:function(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){var e=wt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),Bt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return Ot},Encoder:At,Decoder:Tt});function St(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Nt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),xt=function(t){o(a,t);var n=p(a);function a(t,r,o){var s;return e(this,a),(s=n.call(this)).connected=!1,s.recovered=!1,s.receiveBuffer=[],s.sendBuffer=[],s._queue=[],s._queueSeq=0,s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,o&&o.auth&&(s.auth=o.auth),s._opts=i({},o),s.io._autoConnect&&s.open(),s}return r(a,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[St(t,"open",this.onopen.bind(this)),St(t,"packet",this.onpacket.bind(this)),St(t,"error",this.onerror.bind(this)),St(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(Nt.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];if(n.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(n),this;var i={type:Ot.EVENT,data:n,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var o=this.ids++,s=n.pop();this._registerAckCallback(o,s),i.id=o}var a=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,c=this.flags.volatile&&(!a||!this.connected);return c||(this.connected?(this.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n,r=this,i=null!==(n=this.flags.timeout)&&void 0!==n?n:this._opts.ackTimeout;if(void 0!==i){var o=this.io.setTimeoutFn((function(){delete r.acks[t];for(var n=0;n<r.sendBuffer.length;n++)r.sendBuffer[n].id===t&&r.sendBuffer.splice(n,1);e.call(r,new Error("operation has timed out"))}),i);this.acks[t]=function(){r.io.clearTimeoutFn(o);for(var t=arguments.length,n=new Array(t),i=0;i<t;i++)n[i]=arguments[i];e.apply(r,[null].concat(n))}}else this.acks[t]=e}},{key:"emitWithAck",value:function(t){for(var e=this,n=arguments.length,r=new Array(n>1?n-1:0),i=1;i<n;i++)r[i-1]=arguments[i];var o=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise((function(n,i){r.push((function(t,e){return o?t?i(t):n(e):n(t)})),e.emit.apply(e,[t].concat(r))}))}},{key:"_addToQueue",value:function(t){var e,n=this;"function"==typeof t[t.length-1]&&(e=t.pop());var r={id:this._queueSeq++,tryCount:0,pending:!1,args:t,flags:i({fromQueue:!0},this.flags)};t.push((function(t){if(r===n._queue[0]){var i=null!==t;if(i)r.tryCount>n._opts.retries&&(n._queue.shift(),e&&e(t));else if(n._queue.shift(),e){for(var o=arguments.length,s=new Array(o>1?o-1:0),a=1;a<o;a++)s[a-1]=arguments[a];e.apply(void 0,[null].concat(s))}return r.pending=!1,n._drainQueue()}})),this._queue.push(r),this._drainQueue()}},{key:"_drainQueue",value:function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(this.connected&&0!==this._queue.length){var e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t._sendConnectPacket(e)})):this._sendConnectPacket(this.auth)}},{key:"_sendConnectPacket",value:function(t){this.packet({type:Ot.CONNECT,data:this._pid?i({pid:this._pid,offset:this._lastOffset},t):t})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case Ot.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case Ot.EVENT:case Ot.BINARY_EVENT:this.onevent(t);break;case Ot.ACK:case Ot.BINARY_ACK:this.onack(t);break;case Ot.DISCONNECT:this.ondisconnect();break;case Ot.CONNECT_ERROR:this.destroy();var e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=g(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}y(s(a.prototype),"emit",this).apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),o=0;o<r;o++)i[o]=arguments[o];e.packet({type:Ot.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:Ot.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=g(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),a}(L);function Lt(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}Lt.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},Lt.prototype.reset=function(){this.attempts=0},Lt.prototype.setMin=function(t){this.ms=t},Lt.prototype.setMax=function(t){this.max=t},Lt.prototype.setJitter=function(t){this.jitter=t};var Pt=function(n){o(s,n);var i=p(s);function s(n,r){var o,a;e(this,s),(o=i.call(this)).nsps={},o.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",o.opts=r,D(f(o),r),o.reconnection(!1!==r.reconnection),o.reconnectionAttempts(r.reconnectionAttempts||1/0),o.reconnectionDelay(r.reconnectionDelay||1e3),o.reconnectionDelayMax(r.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new Lt({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==r.timeout?2e4:r.timeout),o._readyState="closed",o.uri=n;var c=r.parser||Bt;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==r.autoConnect,o._autoConnect&&o.open(),o}return r(s,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new lt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=St(n,"open",(function(){r.onopen(),t&&t()})),o=St(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(o),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(St(t,"ping",this.onping.bind(this)),St(t,"data",this.ondata.bind(this)),St(t,"error",this.onerror.bind(this)),St(t,"close",this.onclose.bind(this)),St(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;it((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n?this._autoConnect&&!n.active&&n.connect():(n=new xt(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(L),jt={};function qt(e,n){"object"===t(e)&&(n=e,e=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=ft(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(e,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,c=jt[s]&&a in jt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new Pt(o,n):(jt[s]||(jt[s]=new Pt(o,n)),r=jt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return i(qt,{Manager:Pt,Socket:xt,io:qt,connect:qt}),qt}));
 //# sourceMappingURL=socket.io.min.js.map

dist/socket.io.msgpack.min.js

 /*!
- * Socket.IO v4.6.1
+ * Socket.IO v4.6.2
  * (c) 2014-2023 Guillermo Rauch
@@ -4,0 +4,0 @@ * Released under the MIT License.

package.json

 {
   "name": "socket.io-client",
-  "version": "4.6.1",
+  "version": "4.6.2",
   "description": "Realtime application framework client",
@@ -25,2 +25,3 @@ "keywords": [
     ".": {
+      "types": "./build/esm/index.d.ts",
       "import": {
@@ -30,4 +31,3 @@ "node": "./build/esm-debug/index.js",
       },
-      "require": "./build/cjs/index.js",
-      "types": "./build/esm/index.d.ts"
+      "require": "./build/cjs/index.js"
     }
@@ -40,3 +40,3 @@ },
     "engine.io-client": "~6.4.0",
-    "socket.io-parser": "~4.2.1"
+    "socket.io-parser": "~4.2.4"
   },
@@ -43,0 +43,0 @@ "devDependencies": {

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

1202099

increased by0.3%

Lines of code

10670

increased by0.09%

Dependency changes

• Updatedsocket.io-parser@~4.2.4