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2 lines
39 KiB
JavaScript
2 lines
39 KiB
JavaScript
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e+"://"+this._hostname()+this._port()+this.opts.path+this._query(t)}_hostname(){const e=this.opts.hostname;return e.indexOf(":")===-1?e:"["+e+"]"}_port(){return this.opts.port&&(this.opts.secure&&+(this.opts.port!==443)||!this.opts.secure&&Number(this.opts.port)!==80)?":"+this.opts.port:""}_query(e){const t=Be(e);return t.length?"?"+t:""}}const ae="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),P=64,Ne={};let J=0,T=0,X;function Q(s){let e="";do e=ae[s%P]+e,s=Math.floor(s/P);while(s>0);return e}function he(){const s=Q(+new Date);return s!==X?(J=0,X=s):s+"."+Q(J++)}for(;T<P;T++)Ne[ae[T]]=T;let fe=!1;try{fe=typeof XMLHttpRequest<"u"&&"withCredentials"in new XMLHttpRequest}catch{}const Le=fe;function ue(s){const e=s.xdomain;try{if(typeof XMLHttpRequest<"u"&&(!e||Le))return new XMLHttpRequest}catch{}if(!e)try{return new u[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP")}catch{}}function Pe(){}const qe=function(){return new ue({xdomain:!1}).responseType!=null}();class De extends M{constructor(e){if(super(e),this.polling=!1,typeof location<"u"){const n=location.protocol==="https:";let i=location.port;i||(i=n?"443":"80"),this.xd=typeof location<"u"&&e.hostname!==location.hostname||i!==e.port}const t=e&&e.forceBase64;this.supportsBinary=qe&&!t,this.opts.withCredentials&&(this.cookieJar=void 0)}get name(){return"polling"}doOpen(){this.poll()}pause(e){this.readyState="pausing";const t=()=>{this.readyState="paused",e()};if(this.polling||!this.writable){let n=0;this.polling&&(n++,this.once("pollComplete",function(){--n||t()})),this.writable||(n++,this.once("drain",function(){--n||t()}))}else t()}poll(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}onData(e){const t=n=>{if(this.readyState==="opening"&&n.type==="open"&&this.onOpen(),n.type==="close")return this.onClose({description:"transport closed by the 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f{constructor(e,t){super(),B(this,t),this.opts=t,this.method=t.method||"GET",this.uri=e,this.data=t.data!==void 0?t.data:null,this.create()}create(){var e;const t=ce(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");t.xdomain=!!this.opts.xd;const n=this.xhr=new ue(t);try{n.open(this.method,this.uri,!0);try{if(this.opts.extraHeaders){n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0);for(let i in this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(i)&&n.setRequestHeader(i,this.opts.extraHeaders[i])}}catch{}if(this.method==="POST")try{n.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch{}try{n.setRequestHeader("Accept","*/*")}catch{}(e=this.opts.cookieJar)===null||e===void 0||e.addCookies(n),"withCredentials"in n&&(n.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(n.timeout=this.opts.requestTimeout),n.onreadystatechange=()=>{var i;n.readyState===3&&((i=this.opts.cookieJar)===null||i===void 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this.emitReserved("error",i)}this.ws.binaryType=this.socket.binaryType,this.addEventListeners()}addEventListeners(){this.ws.onopen=()=>{this.opts.autoUnref&&this.ws._socket.unref(),this.onOpen()},this.ws.onclose=e=>this.onClose({description:"websocket connection closed",context:e}),this.ws.onmessage=e=>this.onData(e.data),this.ws.onerror=e=>this.onError("websocket error",e)}write(e){this.writable=!1;for(let t=0;t<e.length;t++){const n=e[t],i=t===e.length-1;V(n,this.supportsBinary,r=>{const o={};try{G&&this.ws.send(r)}catch{}i&&H(()=>{this.writable=!0,this.emitReserved("drain")},this.setTimeoutFn)})}}doClose(){typeof this.ws<"u"&&(this.ws.close(),this.ws=null)}uri(){const e=this.opts.secure?"wss":"ws",t=this.query||{};return this.opts.timestampRequests&&(t[this.opts.timestampParam]=he()),this.supportsBinary||(t.b64=1),this.createUri(e,t)}check(){return!!R}}class Ve extends M{get name(){return"webtransport"}doOpen(){typeof WebTransport=="function"&&(this.transport=new 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Fe={websocket:Ie,webtransport:Ve,polling:De},Me=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,He=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function q(s){if(s.length>2e3)throw"URI too long";const e=s,t=s.indexOf("["),n=s.indexOf("]");t!=-1&&n!=-1&&(s=s.substring(0,t)+s.substring(t,n).replace(/:/g,";")+s.substring(n,s.length));let i=Me.exec(s||""),r={},o=14;for(;o--;)r[He[o]]=i[o]||"";return t!=-1&&n!=-1&&(r.source=e,r.host=r.host.substring(1,r.host.length-1).replace(/;/g,":"),r.authority=r.authority.replace("[","").replace("]","").replace(/;/g,":"),r.ipv6uri=!0),r.pathNames=Ke(r,r.path),r.queryKey=We(r,r.query),r}function Ke(s,e){const t=/\/{2,9}/g,n=e.replace(t,"/").split("/");return(e.slice(0,1)=="/"||e.length===0)&&n.splice(0,1),e.slice(-1)=="/"&&n.splice(n.length-1,1),n}function We(s,e){const t={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,function(n,i,r){i&&(t[i]=r)}),t}let le=class b extends f{constructor(e,t={}){super(),this.binaryType=Ue,this.writeBuffer=[],e&&typeof e=="object"&&(t=e,e=null),e?(e=q(e),t.hostname=e.host,t.secure=e.protocol==="https"||e.protocol==="wss",t.port=e.port,e.query&&(t.query=e.query)):t.host&&(t.hostname=q(t.host).host),B(this,t),this.secure=t.secure!=null?t.secure:typeof location<"u"&&location.protocol==="https:",t.hostname&&!t.port&&(t.port=this.secure?"443":"80"),this.hostname=t.hostname||(typeof location<"u"?location.hostname:"localhost"),this.port=t.port||(typeof location<"u"&&location.port?location.port:this.secure?"443":"80"),this.transports=t.transports||["polling","websocket","webtransport"],this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!1},t),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),typeof this.opts.query=="string"&&(this.opts.query=Se(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,typeof addEventListener=="function"&&(this.opts.closeOnBeforeunload&&(this.beforeunloadEventListener=()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),this.hostname!=="localhost"&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(e){const t=Object.assign({},this.opts.query);t.EIO=oe,t.transport=e,this.id&&(t.sid=this.id);const n=Object.assign({},this.opts,{query:t,socket:this,hostname:this.hostname,secure:this.secure,port:this.port},this.opts.transportOptions[e]);return new Fe[e](n)}open(){let e;if(this.opts.rememberUpgrade&&b.priorWebsocketSuccess&&this.transports.indexOf("websocket")!==-1)e="websocket";else if(this.transports.length===0){this.setTimeoutFn(()=>{this.emitReserved("error","No transports available")},0);return}else 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r(){n||(n=!0,y(),t.close(),t=null)}const o=m=>{const v=new Error("probe error: "+m);v.transport=t.name,r(),this.emitReserved("upgradeError",v)};function a(){o("transport closed")}function h(){o("socket closed")}function g(m){t&&m.name!==t.name&&r()}const y=()=>{t.removeListener("open",i),t.removeListener("error",o),t.removeListener("close",a),this.off("close",h),this.off("upgrading",g)};t.once("open",i),t.once("error",o),t.once("close",a),this.once("close",h),this.once("upgrading",g),this.upgrades.indexOf("webtransport")!==-1&&e!=="webtransport"?this.setTimeoutFn(()=>{n||t.open()},200):t.open()}onOpen(){if(this.readyState="open",b.priorWebsocketSuccess=this.transport.name==="websocket",this.emitReserved("open"),this.flush(),this.readyState==="open"&&this.opts.upgrade){let e=0;const t=this.upgrades.length;for(;e<t;e++)this.probe(this.upgrades[e])}}onPacket(e){if(this.readyState==="opening"||this.readyState==="open"||this.readyState==="closing")switch(this.emitReserved("packet",e),this.emitReserved("heartbeat"),this.resetPingTimeout(),e.type){case"open":this.onHandshake(JSON.parse(e.data));break;case"ping":this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":const t=new Error("server error");t.code=e.data,this.onError(t);break;case"message":this.emitReserved("data",e.data),this.emitReserved("message",e.data);break}}onHandshake(e){this.emitReserved("handshake",e),this.id=e.sid,this.transport.query.sid=e.sid,this.upgrades=this.filterUpgrades(e.upgrades),this.pingInterval=e.pingInterval,this.pingTimeout=e.pingTimeout,this.maxPayload=e.maxPayload,this.onOpen(),this.readyState!=="closed"&&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,this.writeBuffer.length===0?this.emitReserved("drain"):this.flush()}flush(){if(this.readyState!=="closed"&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const e=this.getWritablePackets();this.transport.send(e),this.prevBufferLen=e.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&this.transport.name==="polling"&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let n=0;n<this.writeBuffer.length;n++){const i=this.writeBuffer[n].data;if(i&&(t+=Oe(i)),n>0&&t>this.maxPayload)return this.writeBuffer.slice(0,n);t+=2}return this.writeBuffer}write(e,t,n){return this.sendPacket("message",e,t,n),this}send(e,t,n){return this.sendPacket("message",e,t,n),this}sendPacket(e,t,n,i){if(typeof t=="function"&&(i=t,t=void 0),typeof n=="function"&&(i=n,n=null),this.readyState==="closing"||this.readyState==="closed")return;n=n||{},n.compress=n.compress!==!1;const r={type:e,data:t,options:n};this.emitReserved("packetCreate",r),this.writeBuffer.push(r),i&&this.once("flush",i),this.flush()}close(){const e=()=>{this.onClose("forced close"),this.transport.close()},t=()=>{this.off("upgrade",t),this.off("upgradeError",t),e()},n=()=>{this.once("upgrade",t),this.once("upgradeError",t)};return(this.readyState==="opening"||this.readyState==="open")&&(this.readyState="closing",this.writeBuffer.length?this.once("drain",()=>{this.upgrading?n():e()}):this.upgrading?n():e()),this}onError(e){b.priorWebsocketSuccess=!1,this.emitReserved("error",e),this.onClose("transport error",e)}onClose(e,t){(this.readyState==="opening"||this.readyState==="open"||this.readyState==="closing")&&(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),typeof removeEventListener=="function"&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",e,t),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(e){const t=[];let n=0;const i=e.length;for(;n<i;n++)~this.transports.indexOf(e[n])&&t.push(e[n]);return t}};le.protocol=oe;function $e(s,e="",t){let n=s;t=t||typeof location<"u"&&location,s==null&&(s=t.protocol+"//"+t.host),typeof s=="string"&&(s.charAt(0)==="/"&&(s.charAt(1)==="/"?s=t.protocol+s:s=t.host+s),/^(https?|wss?):\/\//.test(s)||(typeof t<"u"?s=t.protocol+"//"+s:s="https://"+s),n=q(s)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";const r=n.host.indexOf(":")!==-1?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+r+":"+n.port+e,n.href=n.protocol+"://"+r+(t&&t.port===n.port?"":":"+n.port),n}const Ye=typeof ArrayBuffer=="function",ze=s=>typeof ArrayBuffer.isView=="function"?ArrayBuffer.isView(s):s.buffer instanceof ArrayBuffer,pe=Object.prototype.toString,Je=typeof Blob=="function"||typeof Blob<"u"&&pe.call(Blob)==="[object BlobConstructor]",Xe=typeof File=="function"||typeof File<"u"&&pe.call(File)==="[object FileConstructor]";function K(s){return Ye&&(s instanceof ArrayBuffer||ze(s))||Je&&s instanceof Blob||Xe&&s instanceof File}function C(s,e){if(!s||typeof s!="object")return!1;if(Array.isArray(s)){for(let t=0,n=s.length;t<n;t++)if(C(s[t]))return!0;return!1}if(K(s))return!0;if(s.toJSON&&typeof s.toJSON=="function"&&arguments.length===1)return C(s.toJSON(),!0);for(const t in s)if(Object.prototype.hasOwnProperty.call(s,t)&&C(s[t]))return!0;return!1}function Qe(s){const e=[],t=s.data,n=s;return n.data=D(t,e),n.attachments=e.length,{packet:n,buffers:e}}function D(s,e){if(!s)return s;if(K(s)){const t={_placeholder:!0,num:e.length};return e.push(s),t}else if(Array.isArray(s)){const t=new Array(s.length);for(let n=0;n<s.length;n++)t[n]=D(s[n],e);return t}else if(typeof s=="object"&&!(s instanceof Date)){const t={};for(const n in s)Object.prototype.hasOwnProperty.call(s,n)&&(t[n]=D(s[n],e));return t}return s}function je(s,e){return s.data=U(s.data,e),delete s.attachments,s}function U(s,e){if(!s)return s;if(s&&s._placeholder===!0){if(typeof s.num=="number"&&s.num>=0&&s.num<e.length)return e[s.num];throw new Error("illegal attachments")}else if(Array.isArray(s))for(let t=0;t<s.length;t++)s[t]=U(s[t],e);else if(typeof s=="object")for(const t in s)Object.prototype.hasOwnProperty.call(s,t)&&(s[t]=U(s[t],e));return s}const Ge=["connect","connect_error","disconnect","disconnecting","newListener","removeListener"],Ze=5;var c;(function(s){s[s.CONNECT=0]="CONNECT",s[s.DISCONNECT=1]="DISCONNECT",s[s.EVENT=2]="EVENT",s[s.ACK=3]="ACK",s[s.CONNECT_ERROR=4]="CONNECT_ERROR",s[s.BINARY_EVENT=5]="BINARY_EVENT",s[s.BINARY_ACK=6]="BINARY_ACK"})(c||(c={}));class et{constructor(e){this.replacer=e}encode(e){return(e.type===c.EVENT||e.type===c.ACK)&&C(e)?this.encodeAsBinary({type:e.type===c.EVENT?c.BINARY_EVENT:c.BINARY_ACK,nsp:e.nsp,data:e.data,id:e.id}):[this.encodeAsString(e)]}encodeAsString(e){let t=""+e.type;return(e.type===c.BINARY_EVENT||e.type===c.BINARY_ACK)&&(t+=e.attachments+"-"),e.nsp&&e.nsp!=="/"&&(t+=e.nsp+","),e.id!=null&&(t+=e.id),e.data!=null&&(t+=JSON.stringify(e.data,this.replacer)),t}encodeAsBinary(e){const t=Qe(e),n=this.encodeAsString(t.packet),i=t.buffers;return i.unshift(n),i}}function ee(s){return Object.prototype.toString.call(s)==="[object Object]"}class W extends f{constructor(e){super(),this.reviver=e}add(e){let t;if(typeof e=="string"){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");t=this.decodeString(e);const n=t.type===c.BINARY_EVENT;n||t.type===c.BINARY_ACK?(t.type=n?c.EVENT:c.ACK,this.reconstructor=new tt(t),t.attachments===0&&super.emitReserved("decoded",t)):super.emitReserved("decoded",t)}else if(K(e)||e.base64)if(this.reconstructor)t=this.reconstructor.takeBinaryData(e),t&&(this.reconstructor=null,super.emitReserved("decoded",t));else throw new Error("got binary data when not reconstructing a packet");else throw new Error("Unknown type: "+e)}decodeString(e){let t=0;const n={type:Number(e.charAt(0))};if(c[n.type]===void 0)throw new Error("unknown packet type "+n.type);if(n.type===c.BINARY_EVENT||n.type===c.BINARY_ACK){const r=t+1;for(;e.charAt(++t)!=="-"&&t!=e.length;);const o=e.substring(r,t);if(o!=Number(o)||e.charAt(t)!=="-")throw new Error("Illegal attachments");n.attachments=Number(o)}if(e.charAt(t+1)==="/"){const r=t+1;for(;++t&&!(e.charAt(t)===","||t===e.length););n.nsp=e.substring(r,t)}else n.nsp="/";const i=e.charAt(t+1);if(i!==""&&Number(i)==i){const r=t+1;for(;++t;){const o=e.charAt(t);if(o==null||Number(o)!=o){--t;break}if(t===e.length)break}n.id=Number(e.substring(r,t+1))}if(e.charAt(++t)){const r=this.tryParse(e.substr(t));if(W.isPayloadValid(n.type,r))n.data=r;else throw new Error("invalid payload")}return n}tryParse(e){try{return JSON.parse(e,this.reviver)}catch{return!1}}static isPayloadValid(e,t){switch(e){case c.CONNECT:return ee(t);case c.DISCONNECT:return t===void 0;case c.CONNECT_ERROR:return typeof t=="string"||ee(t);case c.EVENT:case c.BINARY_EVENT:return Array.isArray(t)&&(typeof t[0]=="number"||typeof t[0]=="string"&&Ge.indexOf(t[0])===-1);case c.ACK:case c.BINARY_ACK:return Array.isArray(t)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class tt{constructor(e){this.packet=e,this.buffers=[],this.reconPack=e}takeBinaryData(e){if(this.buffers.push(e),this.buffers.length===this.reconPack.attachments){const t=je(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}const st=Object.freeze(Object.defineProperty({__proto__:null,Decoder:W,Encoder:et,get PacketType(){return c},protocol:Ze},Symbol.toStringTag,{value:"Module"}));function l(s,e,t){return s.on(e,t),function(){s.off(e,t)}}const nt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class de extends f{constructor(e,t,n){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=e,this.nsp=t,n&&n.auth&&(this.auth=n.auth),this._opts=Object.assign({},n),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const e=this.io;this.subs=[l(e,"open",this.onopen.bind(this)),l(e,"packet",this.onpacket.bind(this)),l(e,"error",this.onerror.bind(this)),l(e,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected?this:(this.subEvents(),this.io._reconnecting||this.io.open(),this.io._readyState==="open"&&this.onopen(),this)}open(){return this.connect()}send(...e){return e.unshift("message"),this.emit.apply(this,e),this}emit(e,...t){if(nt.hasOwnProperty(e))throw new Error('"'+e.toString()+'" is a reserved event name');if(t.unshift(e),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(t),this;const n={type:c.EVENT,data:t};if(n.options={},n.options.compress=this.flags.compress!==!1,typeof t[t.length-1]=="function"){const o=this.ids++,a=t.pop();this._registerAckCallback(o,a),n.id=o}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(n),this.packet(n)):this.sendBuffer.push(n)),this.flags={},this}_registerAckCallback(e,t){var n;const i=(n=this.flags.timeout)!==null&&n!==void 0?n:this._opts.ackTimeout;if(i===void 0){this.acks[e]=t;return}const r=this.io.setTimeoutFn(()=>{delete this.acks[e];for(let a=0;a<this.sendBuffer.length;a++)this.sendBuffer[a].id===e&&this.sendBuffer.splice(a,1);t.call(this,new Error("operation has timed out"))},i),o=(...a)=>{this.io.clearTimeoutFn(r),t.apply(this,a)};o.withError=!0,this.acks[e]=o}emitWithAck(e,...t){return new Promise((n,i)=>{const r=(o,a)=>o?i(o):n(a);r.withError=!0,t.push(r),this.emit(e,...t)})}_addToQueue(e){let t;typeof e[e.length-1]=="function"&&(t=e.pop());const n={id:this._queueSeq++,tryCount:0,pending:!1,args:e,flags:Object.assign({fromQueue:!0},this.flags)};e.push((i,...r)=>n!==this._queue[0]?void 0:(i!==null?n.tryCount>this._opts.retries&&(this._queue.shift(),t&&t(i)):(this._queue.shift(),t&&t(null,...r)),n.pending=!1,this._drainQueue())),this._queue.push(n),this._drainQueue()}_drainQueue(e=!1){if(!this.connected||this._queue.length===0)return;const t=this._queue[0];t.pending&&!e||(t.pending=!0,t.tryCount++,this.flags=t.flags,this.emit.apply(this,t.args))}packet(e){e.nsp=this.nsp,this.io._packet(e)}onopen(){typeof this.auth=="function"?this.auth(e=>{this._sendConnectPacket(e)}):this._sendConnectPacket(this.auth)}_sendConnectPacket(e){this.packet({type:c.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},e):e})}onerror(e){this.connected||this.emitReserved("connect_error",e)}onclose(e,t){this.connected=!1,delete this.id,this.emitReserved("disconnect",e,t),this._clearAcks()}_clearAcks(){Object.keys(this.acks).forEach(e=>{if(!this.sendBuffer.some(n=>String(n.id)===e)){const n=this.acks[e];delete this.acks[e],n.withError&&n.call(this,new Error("socket has been disconnected"))}})}onpacket(e){if(e.nsp===this.nsp)switch(e.type){case c.CONNECT:e.data&&e.data.sid?this.onconnect(e.data.sid,e.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 c.EVENT:case c.BINARY_EVENT:this.onevent(e);break;case c.ACK:case c.BINARY_ACK:this.onack(e);break;case c.DISCONNECT:this.ondisconnect();break;case c.CONNECT_ERROR:this.destroy();const n=new Error(e.data.message);n.data=e.data.data,this.emitReserved("connect_error",n);break}}onevent(e){const t=e.data||[];e.id!=null&&t.push(this.ack(e.id)),this.connected?this.emitEvent(t):this.receiveBuffer.push(Object.freeze(t))}emitEvent(e){if(this._anyListeners&&this._anyListeners.length){const t=this._anyListeners.slice();for(const n of t)n.apply(this,e)}super.emit.apply(this,e),this._pid&&e.length&&typeof e[e.length-1]=="string"&&(this._lastOffset=e[e.length-1])}ack(e){const t=this;let n=!1;return function(...i){n||(n=!0,t.packet({type:c.ACK,id:e,data:i}))}}onack(e){const t=this.acks[e.id];typeof t=="function"&&(delete this.acks[e.id],t.withError&&e.data.unshift(null),t.apply(this,e.data))}onconnect(e,t){this.id=e,this.recovered=t&&this._pid===t,this._pid=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach(e=>this.emitEvent(e)),this.receiveBuffer=[],this.sendBuffer.forEach(e=>{this.notifyOutgoingListeners(e),this.packet(e)}),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach(e=>e()),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:c.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(e){return this.flags.compress=e,this}get volatile(){return this.flags.volatile=!0,this}timeout(e){return this.flags.timeout=e,this}onAny(e){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(e),this}prependAny(e){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(e),this}offAny(e){if(!this._anyListeners)return this;if(e){const t=this._anyListeners;for(let n=0;n<t.length;n++)if(e===t[n])return t.splice(n,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(e){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(e),this}prependAnyOutgoing(e){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(e),this}offAnyOutgoing(e){if(!this._anyOutgoingListeners)return this;if(e){const t=this._anyOutgoingListeners;for(let n=0;n<t.length;n++)if(e===t[n])return t.splice(n,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(e){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const t=this._anyOutgoingListeners.slice();for(const n of t)n.apply(this,e.data)}}}function w(s){s=s||{},this.ms=s.min||100,this.max=s.max||1e4,this.factor=s.factor||2,this.jitter=s.jitter>0&&s.jitter<=1?s.jitter:0,this.attempts=0}w.prototype.duration=function(){var s=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),t=Math.floor(e*this.jitter*s);s=Math.floor(e*10)&1?s+t:s-t}return Math.min(s,this.max)|0};w.prototype.reset=function(){this.attempts=0};w.prototype.setMin=function(s){this.ms=s};w.prototype.setMax=function(s){this.max=s};w.prototype.setJitter=function(s){this.jitter=s};class I extends f{constructor(e,t){var n;super(),this.nsps={},this.subs=[],e&&typeof e=="object"&&(t=e,e=void 0),t=t||{},t.path=t.path||"/socket.io",this.opts=t,B(this,t),this.reconnection(t.reconnection!==!1),this.reconnectionAttempts(t.reconnectionAttempts||1/0),this.reconnectionDelay(t.reconnectionDelay||1e3),this.reconnectionDelayMax(t.reconnectionDelayMax||5e3),this.randomizationFactor((n=t.randomizationFactor)!==null&&n!==void 0?n:.5),this.backoff=new w({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(t.timeout==null?2e4:t.timeout),this._readyState="closed",this.uri=e;const i=t.parser||st;this.encoder=new i.Encoder,this.decoder=new i.Decoder,this._autoConnect=t.autoConnect!==!1,this._autoConnect&&this.open()}reconnection(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection}reconnectionAttempts(e){return e===void 0?this._reconnectionAttempts:(this._reconnectionAttempts=e,this)}reconnectionDelay(e){var t;return e===void 0?this._reconnectionDelay:(this._reconnectionDelay=e,(t=this.backoff)===null||t===void 0||t.setMin(e),this)}randomizationFactor(e){var t;return e===void 0?this._randomizationFactor:(this._randomizationFactor=e,(t=this.backoff)===null||t===void 0||t.setJitter(e),this)}reconnectionDelayMax(e){var t;return e===void 0?this._reconnectionDelayMax:(this._reconnectionDelayMax=e,(t=this.backoff)===null||t===void 0||t.setMax(e),this)}timeout(e){return arguments.length?(this._timeout=e,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&this.backoff.attempts===0&&this.reconnect()}open(e){if(~this._readyState.indexOf("open"))return this;this.engine=new le(this.uri,this.opts);const t=this.engine,n=this;this._readyState="opening",this.skipReconnect=!1;const i=l(t,"open",function(){n.onopen(),e&&e()}),r=a=>{this.cleanup(),this._readyState="closed",this.emitReserved("error",a),e?e(a):this.maybeReconnectOnOpen()},o=l(t,"error",r);if(this._timeout!==!1){const a=this._timeout,h=this.setTimeoutFn(()=>{i(),r(new Error("timeout")),t.close()},a);this.opts.autoUnref&&h.unref(),this.subs.push(()=>{this.clearTimeoutFn(h)})}return this.subs.push(i),this.subs.push(o),this}connect(e){return this.open(e)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const e=this.engine;this.subs.push(l(e,"ping",this.onping.bind(this)),l(e,"data",this.ondata.bind(this)),l(e,"error",this.onerror.bind(this)),l(e,"close",this.onclose.bind(this)),l(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(e){try{this.decoder.add(e)}catch(t){this.onclose("parse error",t)}}ondecoded(e){H(()=>{this.emitReserved("packet",e)},this.setTimeoutFn)}onerror(e){this.emitReserved("error",e)}socket(e,t){let n=this.nsps[e];return n?this._autoConnect&&!n.active&&n.connect():(n=new de(this,e,t),this.nsps[e]=n),n}_destroy(e){const t=Object.keys(this.nsps);for(const n of t)if(this.nsps[n].active)return;this._close()}_packet(e){const t=this.encoder.encode(e);for(let n=0;n<t.length;n++)this.engine.write(t[n],e.options)}cleanup(){this.subs.forEach(e=>e()),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(e,t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",e,t),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const t=this.backoff.duration();this._reconnecting=!0;const n=this.setTimeoutFn(()=>{e.skipReconnect||(this.emitReserved("reconnect_attempt",e.backoff.attempts),!e.skipReconnect&&e.open(i=>{i?(e._reconnecting=!1,e.reconnect(),this.emitReserved("reconnect_error",i)):e.onreconnect()}))},t);this.opts.autoUnref&&n.unref(),this.subs.push(()=>{this.clearTimeoutFn(n)})}}onreconnect(){const e=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",e)}}const _={};function N(s,e){typeof s=="object"&&(e=s,s=void 0),e=e||{};const t=$e(s,e.path||"/socket.io"),n=t.source,i=t.id,r=t.path,o=_[i]&&r in _[i].nsps,a=e.forceNew||e["force new connection"]||e.multiplex===!1||o;let h;return a?h=new I(n,e):(_[i]||(_[i]=new I(n,e)),h=_[i]),t.query&&!e.query&&(e.query=t.queryKey),h.socket(t.path,e)}Object.assign(N,{Manager:I,Socket:de,io:N,connect:N});export{I as Manager,de as Socket,N as connect,N as default,N as io,Ze as protocol};
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