3 lines
40 KiB
JavaScript
3 lines
40 KiB
JavaScript
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Date.now().toString(36).substring(3)+Math.random().toString(36).substring(2,5)}function Ae(i){let e="";for(let t in i)i.hasOwnProperty(t)&&(e.length&&(e+="&"),e+=encodeURIComponent(t)+"="+encodeURIComponent(i[t]));return e}function Te(i){let e={},t=i.split("&");for(let s=0,n=t.length;s<n;s++){let r=t[s].split("=");e[decodeURIComponent(r[0])]=decodeURIComponent(r[1])}return e}class Re extends Error{constructor(e,t,s){super(e),this.description=t,this.context=s,this.type="TransportError"}}class H extends u{constructor(e){super(),this.writable=!1,S(this,e),this.opts=e,this.query=e.query,this.socket=e.socket,this.supportsBinary=!e.forceBase64}onError(e,t,s){return super.emitReserved("error",new Re(e,t,s)),this}open(){return this.readyState="opening",this.doOpen(),this}close(){return(this.readyState==="opening"||this.readyState==="open")&&(this.doClose(),this.onClose()),this}send(e){this.readyState==="open"&&this.write(e)}onOpen(){this.readyState="open",this.writable=!0,super.emitReserved("open")}onData(e){const t=M(e,this.socket.binaryType);this.onPacket(t)}onPacket(e){super.emitReserved("packet",e)}onClose(e){this.readyState="closed",super.emitReserved("close",e)}pause(e){}createUri(e,t={}){return 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=Ae(e);return t.length?"?"+t:""}}class Oe extends H{constructor(){super(...arguments),this._polling=!1}get name(){return"polling"}doOpen(){this._poll()}pause(e){this.readyState="pausing";const t=()=>{this.readyState="paused",e()};if(this._polling||!this.writable){let s=0;this._polling&&(s++,this.once("pollComplete",function(){--s||t()})),this.writable||(s++,this.once("drain",function(){--s||t()}))}else t()}_poll(){this._polling=!0,this.doPoll(),this.emitReserved("poll")}onData(e){const t=s=>{if(this.readyState==="opening"&&s.type==="open"&&this.onOpen(),s.type==="close")return this.onClose({description:"transport closed by the server"}),!1;this.onPacket(s)};de(e,this.socket.binaryType).forEach(t),this.readyState!=="closed"&&(this._polling=!1,this.emitReserved("pollComplete"),this.readyState==="open"&&this._poll())}doClose(){const e=()=>{this.write([{type:"close"}])};this.readyState==="open"?e():this.once("open",e)}write(e){this.writable=!1,pe(e,t=>{this.doWrite(t,()=>{this.writable=!0,this.emitReserved("drain")})})}uri(){const e=this.opts.secure?"https":"http",t=this.query||{};return this.opts.timestampRequests!==!1&&(t[this.opts.timestampParam]=ie()),!this.supportsBinary&&!t.sid&&(t.b64=1),this.createUri(e,t)}}let ne=!1;try{ne=typeof XMLHttpRequest<"u"&&"withCredentials"in new XMLHttpRequest}catch{}const Ce=ne;function Se(){}class Be extends Oe{constructor(e){if(super(e),typeof location<"u"){const t=location.protocol==="https:";let s=location.port;s||(s=t?"443":"80"),this.xd=typeof location<"u"&&e.hostname!==location.hostname||s!==e.port}}doWrite(e,t){const s=this.request({method:"POST",data:e});s.on("success",t),s.on("error",(n,r)=>{this.onError("xhr post error",n,r)})}doPoll(){const e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(t,s)=>{this.onError("xhr poll error",t,s)}),this.pollXhr=e}}class d extends u{constructor(e,t,s){super(),this.createRequest=e,S(this,s),this._opts=s,this._method=s.method||"GET",this._uri=t,this._data=s.data!==void 0?s.data:null,this._create()}_create(){var e;const 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0||n.parseCookies(s.getResponseHeader("set-cookie"))),s.readyState===4&&(s.status===200||s.status===1223?this._onLoad():this.setTimeoutFn(()=>{this._onError(typeof s.status=="number"?s.status:0)},0))},s.send(this._data)}catch(n){this.setTimeoutFn(()=>{this._onError(n)},0);return}typeof document<"u"&&(this._index=d.requestsCount++,d.requests[this._index]=this)}_onError(e){this.emitReserved("error",e,this._xhr),this._cleanup(!0)}_cleanup(e){if(!(typeof this._xhr>"u"||this._xhr===null)){if(this._xhr.onreadystatechange=Se,e)try{this._xhr.abort()}catch{}typeof document<"u"&&delete d.requests[this._index],this._xhr=null}}_onLoad(){const e=this._xhr.responseText;e!==null&&(this.emitReserved("data",e),this.emitReserved("success"),this._cleanup())}abort(){this._cleanup()}}d.requestsCount=0;d.requests={};if(typeof document<"u"){if(typeof attachEvent=="function")attachEvent("onunload",J);else if(typeof addEventListener=="function"){const i="onpagehide"in l?"pagehide":"unload";addEventListener(i,J,!1)}}function J(){for(let i in d.requests)d.requests.hasOwnProperty(i)&&d.requests[i].abort()}const xe=function(){const i=re({xdomain:!1});return i&&i.responseType!==null}();class Ne extends Be{constructor(e){super(e);const t=e&&e.forceBase64;this.supportsBinary=xe&&!t}request(e={}){return Object.assign(e,{xd:this.xd},this.opts),new d(re,this.uri(),e)}}function re(i){const e=i.xdomain;try{if(typeof XMLHttpRequest<"u"&&(!e||Ce))return new XMLHttpRequest}catch{}if(!e)try{return new l[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP")}catch{}}const oe=typeof navigator<"u"&&typeof navigator.product=="string"&&navigator.product.toLowerCase()==="reactnative";class Le extends H{get name(){return"websocket"}doOpen(){const e=this.uri(),t=this.opts.protocols,s=oe?{}:se(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=this.createSocket(e,t,s)}catch(n){return this.emitReserved("error",n)}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 s=e[t],n=t===e.length-1;V(s,this.supportsBinary,r=>{try{this.doWrite(s,r)}catch{}n&&C(()=>{this.writable=!0,this.emitReserved("drain")},this.setTimeoutFn)})}}doClose(){typeof this.ws<"u"&&(this.ws.onerror=()=>{},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]=ie()),this.supportsBinary||(t.b64=1),this.createUri(e,t)}}const N=l.WebSocket||l.MozWebSocket;class Pe extends Le{createSocket(e,t,s){return oe?new N(e,t,s):t?new N(e,t):new N(e)}doWrite(e,t){this.ws.send(t)}}class qe extends H{get name(){return"webtransport"}doOpen(){try{this._transport=new WebTransport(this.createUri("https"),this.opts.transportOptions[this.name])}catch(e){return this.emitReserved("error",e)}this._transport.closed.then(()=>{this.onClose()}).catch(e=>{this.onError("webtransport error",e)}),this._transport.ready.then(()=>{this._transport.createBidirectionalStream().then(e=>{const t=ge(Number.MAX_SAFE_INTEGER,this.socket.binaryType),s=e.readable.pipeThrough(t).getReader(),n=ye();n.readable.pipeTo(e.writable),this._writer=n.writable.getWriter();const r=()=>{s.read().then(({done:c,value:h})=>{c||(this.onPacket(h),r())}).catch(c=>{})};r();const o={type:"open"};this.query.sid&&(o.data=`{"sid":"${this.query.sid}"}`),this._writer.write(o).then(()=>this.onOpen())})})}write(e){this.writable=!1;for(let t=0;t<e.length;t++){const s=e[t],n=t===e.length-1;this._writer.write(s).then(()=>{n&&C(()=>{this.writable=!0,this.emitReserved("drain")},this.setTimeoutFn)})}}doClose(){var e;(e=this._transport)===null||e===void 0||e.close()}}const De={websocket:Pe,webtransport:qe,polling:Ne},Ie=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,Ue=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function q(i){if(i.length>8e3)throw"URI too long";const e=i,t=i.indexOf("["),s=i.indexOf("]");t!=-1&&s!=-1&&(i=i.substring(0,t)+i.substring(t,s).replace(/:/g,";")+i.substring(s,i.length));let n=Ie.exec(i||""),r={},o=14;for(;o--;)r[Ue[o]]=n[o]||"";return t!=-1&&s!=-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=Fe(r,r.path),r.queryKey=Ve(r,r.query),r}function Fe(i,e){const t=/\/{2,9}/g,s=e.replace(t,"/").split("/");return(e.slice(0,1)=="/"||e.length===0)&&s.splice(0,1),e.slice(-1)=="/"&&s.splice(s.length-1,1),s}function Ve(i,e){const t={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,function(s,n,r){n&&(t[n]=r)}),t}const D=typeof addEventListener=="function"&&typeof removeEventListener=="function",R=[];D&&addEventListener("offline",()=>{R.forEach(i=>i())},!1);class _ extends u{constructor(e,t){if(super(),this.binaryType=_e,this.writeBuffer=[],this._prevBufferLen=0,this._pingInterval=-1,this._pingTimeout=-1,this._maxPayload=-1,this._pingTimeoutTime=1/0,e&&typeof e=="object"&&(t=e,e=null),e){const s=q(e);t.hostname=s.host,t.secure=s.protocol==="https"||s.protocol==="wss",t.port=s.port,s.query&&(t.query=s.query)}else t.host&&(t.hostname=q(t.host).host);S(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=[],this._transportsByName={},t.transports.forEach(s=>{const n=s.prototype.name;this.transports.push(n),this._transportsByName[n]=s}),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=Te(this.opts.query)),D&&(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"})},R.push(this._offlineEventListener))),this.opts.withCredentials&&(this._cookieJar=void 0),this._open()}createTransport(e){const t=Object.assign({},this.opts.query);t.EIO=te,t.transport=e,this.id&&(t.sid=this.id);const s=Object.assign({},this.opts,{query:t,socket:this,hostname:this.hostname,secure:this.secure,port:this.port},this.opts.transportOptions[e]);return new this._transportsByName[e](s)}_open(){if(this.transports.length===0){this.setTimeoutFn(()=>{this.emitReserved("error","No transports available")},0);return}const e=this.opts.rememberUpgrade&&_.priorWebsocketSuccess&&this.transports.indexOf("websocket")!==-1?"websocket":this.transports[0];this.readyState="opening";const t=this.createTransport(e);t.open(),this.setTransport(t)}setTransport(e){this.transport&&this.transport.removeAllListeners(),this.transport=e,e.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))}onOpen(){this.readyState="open",_.priorWebsocketSuccess=this.transport.name==="websocket",this.emitReserved("open"),this.flush()}_onPacket(e){if(this.readyState==="opening"||this.readyState==="open"||this.readyState==="closing")switch(this.emitReserved("packet",e),this.emitReserved("heartbeat"),e.type){case"open":this.onHandshake(JSON.parse(e.data));break;case"ping":this._sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong"),this._resetPingTimeout();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._pingInterval=e.pingInterval,this._pingTimeout=e.pingTimeout,this._maxPayload=e.maxPayload,this.onOpen(),this.readyState!=="closed"&&this._resetPingTimeout()}_resetPingTimeout(){this.clearTimeoutFn(this._pingTimeoutTimer);const e=this._pingInterval+this._pingTimeout;this._pingTimeoutTime=Date.now()+e,this._pingTimeoutTimer=this.setTimeoutFn(()=>{this._onClose("ping timeout")},e),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 s=0;s<this.writeBuffer.length;s++){const n=this.writeBuffer[s].data;if(n&&(t+=Ee(n)),s>0&&t>this._maxPayload)return this.writeBuffer.slice(0,s);t+=2}return this.writeBuffer}_hasPingExpired(){if(!this._pingTimeoutTime)return!0;const e=Date.now()>this._pingTimeoutTime;return e&&(this._pingTimeoutTime=0,C(()=>{this._onClose("ping timeout")},this.setTimeoutFn)),e}write(e,t,s){return this._sendPacket("message",e,t,s),this}send(e,t,s){return this._sendPacket("message",e,t,s),this}_sendPacket(e,t,s,n){if(typeof t=="function"&&(n=t,t=void 0),typeof s=="function"&&(n=s,s=null),this.readyState==="closing"||this.readyState==="closed")return;s=s||{},s.compress=s.compress!==!1;const r={type:e,data:t,options:s};this.emitReserved("packetCreate",r),this.writeBuffer.push(r),n&&this.once("flush",n),this.flush()}close(){const e=()=>{this._onClose("forced close"),this.transport.close()},t=()=>{this.off("upgrade",t),this.off("upgradeError",t),e()},s=()=>{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?s():e()}):this.upgrading?s():e()),this}_onError(e){if(_.priorWebsocketSuccess=!1,this.opts.tryAllTransports&&this.transports.length>1&&this.readyState==="opening")return this.transports.shift(),this._open();this.emitReserved("error",e),this._onClose("transport error",e)}_onClose(e,t){if(this.readyState==="opening"||this.readyState==="open"||this.readyState==="closing"){if(this.clearTimeoutFn(this._pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),D&&(this._beforeunloadEventListener&&removeEventListener("beforeunload",this._beforeunloadEventListener,!1),this._offlineEventListener)){const s=R.indexOf(this._offlineEventListener);s!==-1&&R.splice(s,1)}this.readyState="closed",this.id=null,this.emitReserved("close",e,t),this.writeBuffer=[],this._prevBufferLen=0}}}_.protocol=te;class Me extends _{constructor(){super(...arguments),this._upgrades=[]}onOpen(){if(super.onOpen(),this.readyState==="open"&&this.opts.upgrade)for(let e=0;e<this._upgrades.length;e++)this._probe(this._upgrades[e])}_probe(e){let t=this.createTransport(e),s=!1;_.priorWebsocketSuccess=!1;const n=()=>{s||(t.send([{type:"ping",data:"probe"}]),t.once("packet",m=>{if(!s)if(m.type==="pong"&&m.data==="probe"){if(this.upgrading=!0,this.emitReserved("upgrading",t),!t)return;_.priorWebsocketSuccess=t.name==="websocket",this.transport.pause(()=>{s||this.readyState!=="closed"&&(f(),this.setTransport(t),t.send([{type:"upgrade"}]),this.emitReserved("upgrade",t),t=null,this.upgrading=!1,this.flush())})}else{const w=new Error("probe error");w.transport=t.name,this.emitReserved("upgradeError",w)}}))};function r(){s||(s=!0,f(),t.close(),t=null)}const o=m=>{const w=new Error("probe error: "+m);w.transport=t.name,r(),this.emitReserved("upgradeError",w)};function c(){o("transport closed")}function h(){o("socket closed")}function g(m){t&&m.name!==t.name&&r()}const f=()=>{t.removeListener("open",n),t.removeListener("error",o),t.removeListener("close",c),this.off("close",h),this.off("upgrading",g)};t.once("open",n),t.once("error",o),t.once("close",c),this.once("close",h),this.once("upgrading",g),this._upgrades.indexOf("webtransport")!==-1&&e!=="webtransport"?this.setTimeoutFn(()=>{s||t.open()},200):t.open()}onHandshake(e){this._upgrades=this._filterUpgrades(e.upgrades),super.onHandshake(e)}_filterUpgrades(e){const t=[];for(let s=0;s<e.length;s++)~this.transports.indexOf(e[s])&&t.push(e[s]);return t}}let He=class extends Me{constructor(e,t={}){const s=typeof e=="object"?e:t;(!s.transports||s.transports&&typeof s.transports[0]=="string")&&(s.transports=(s.transports||["polling","websocket","webtransport"]).map(n=>De[n]).filter(n=>!!n)),super(e,s)}};function Ke(i,e="",t){let s=i;t=t||typeof location<"u"&&location,i==null&&(i=t.protocol+"//"+t.host),typeof i=="string"&&(i.charAt(0)==="/"&&(i.charAt(1)==="/"?i=t.protocol+i:i=t.host+i),/^(https?|wss?):\/\//.test(i)||(typeof t<"u"?i=t.protocol+"//"+i:i="https://"+i),s=q(i)),s.port||(/^(http|ws)$/.test(s.protocol)?s.port="80":/^(http|ws)s$/.test(s.protocol)&&(s.port="443")),s.path=s.path||"/";const r=s.host.indexOf(":")!==-1?"["+s.host+"]":s.host;return s.id=s.protocol+"://"+r+":"+s.port+e,s.href=s.protocol+"://"+r+(t&&t.port===s.port?"":":"+s.port),s}const We=typeof ArrayBuffer=="function",$e=i=>typeof ArrayBuffer.isView=="function"?ArrayBuffer.isView(i):i.buffer instanceof ArrayBuffer,ae=Object.prototype.toString,Ye=typeof Blob=="function"||typeof Blob<"u"&&ae.call(Blob)==="[object BlobConstructor]",ze=typeof File=="function"||typeof File<"u"&&ae.call(File)==="[object FileConstructor]";function K(i){return We&&(i instanceof ArrayBuffer||$e(i))||Ye&&i instanceof Blob||ze&&i instanceof File}function O(i,e){if(!i||typeof i!="object")return!1;if(Array.isArray(i)){for(let t=0,s=i.length;t<s;t++)if(O(i[t]))return!0;return!1}if(K(i))return!0;if(i.toJSON&&typeof i.toJSON=="function"&&arguments.length===1)return O(i.toJSON(),!0);for(const t in i)if(Object.prototype.hasOwnProperty.call(i,t)&&O(i[t]))return!0;return!1}function Je(i){const e=[],t=i.data,s=i;return s.data=I(t,e),s.attachments=e.length,{packet:s,buffers:e}}function I(i,e){if(!i)return i;if(K(i)){const t={_placeholder:!0,num:e.length};return e.push(i),t}else if(Array.isArray(i)){const t=new Array(i.length);for(let s=0;s<i.length;s++)t[s]=I(i[s],e);return t}else if(typeof i=="object"&&!(i instanceof Date)){const t={};for(const s in i)Object.prototype.hasOwnProperty.call(i,s)&&(t[s]=I(i[s],e));return t}return i}function Xe(i,e){return i.data=U(i.data,e),delete i.attachments,i}function U(i,e){if(!i)return i;if(i&&i._placeholder===!0){if(typeof i.num=="number"&&i.num>=0&&i.num<e.length)return e[i.num];throw new Error("illegal attachments")}else if(Array.isArray(i))for(let t=0;t<i.length;t++)i[t]=U(i[t],e);else if(typeof i=="object")for(const t in i)Object.prototype.hasOwnProperty.call(i,t)&&(i[t]=U(i[t],e));return i}const Qe=["connect","connect_error","disconnect","disconnecting","newListener","removeListener"],je=5;var a;(function(i){i[i.CONNECT=0]="CONNECT",i[i.DISCONNECT=1]="DISCONNECT",i[i.EVENT=2]="EVENT",i[i.ACK=3]="ACK",i[i.CONNECT_ERROR=4]="CONNECT_ERROR",i[i.BINARY_EVENT=5]="BINARY_EVENT",i[i.BINARY_ACK=6]="BINARY_ACK"})(a||(a={}));class Ge{constructor(e){this.replacer=e}encode(e){return(e.type===a.EVENT||e.type===a.ACK)&&O(e)?this.encodeAsBinary({type:e.type===a.EVENT?a.BINARY_EVENT:a.BINARY_ACK,nsp:e.nsp,data:e.data,id:e.id}):[this.encodeAsString(e)]}encodeAsString(e){let t=""+e.type;return(e.type===a.BINARY_EVENT||e.type===a.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=Je(e),s=this.encodeAsString(t.packet),n=t.buffers;return n.unshift(s),n}}function X(i){return Object.prototype.toString.call(i)==="[object Object]"}class W extends u{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 s=t.type===a.BINARY_EVENT;s||t.type===a.BINARY_ACK?(t.type=s?a.EVENT:a.ACK,this.reconstructor=new Ze(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 s={type:Number(e.charAt(0))};if(a[s.type]===void 0)throw new Error("unknown packet type "+s.type);if(s.type===a.BINARY_EVENT||s.type===a.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");s.attachments=Number(o)}if(e.charAt(t+1)==="/"){const r=t+1;for(;++t&&!(e.charAt(t)===","||t===e.length););s.nsp=e.substring(r,t)}else s.nsp="/";const n=e.charAt(t+1);if(n!==""&&Number(n)==n){const r=t+1;for(;++t;){const o=e.charAt(t);if(o==null||Number(o)!=o){--t;break}if(t===e.length)break}s.id=Number(e.substring(r,t+1))}if(e.charAt(++t)){const r=this.tryParse(e.substr(t));if(W.isPayloadValid(s.type,r))s.data=r;else throw new Error("invalid payload")}return s}tryParse(e){try{return JSON.parse(e,this.reviver)}catch{return!1}}static isPayloadValid(e,t){switch(e){case a.CONNECT:return X(t);case a.DISCONNECT:return t===void 0;case a.CONNECT_ERROR:return typeof t=="string"||X(t);case a.EVENT:case a.BINARY_EVENT:return Array.isArray(t)&&(typeof t[0]=="number"||typeof t[0]=="string"&&Qe.indexOf(t[0])===-1);case a.ACK:case a.BINARY_ACK:return Array.isArray(t)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class Ze{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=Xe(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}const et=Object.freeze(Object.defineProperty({__proto__:null,Decoder:W,Encoder:Ge,get PacketType(){return a},protocol:je},Symbol.toStringTag,{value:"Module"}));function p(i,e,t){return i.on(e,t),function(){i.off(e,t)}}const tt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class ce extends u{constructor(e,t,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=e,this.nsp=t,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 e=this.io;this.subs=[p(e,"open",this.onopen.bind(this)),p(e,"packet",this.onpacket.bind(this)),p(e,"error",this.onerror.bind(this)),p(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){var s,n,r;if(tt.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 o={type:a.EVENT,data:t};if(o.options={},o.options.compress=this.flags.compress!==!1,typeof t[t.length-1]=="function"){const f=this.ids++,m=t.pop();this._registerAckCallback(f,m),o.id=f}const c=(n=(s=this.io.engine)===null||s===void 0?void 0:s.transport)===null||n===void 0?void 0:n.writable,h=this.connected&&!(!((r=this.io.engine)===null||r===void 0)&&r._hasPingExpired());return this.flags.volatile&&!c||(h?(this.notifyOutgoingListeners(o),this.packet(o)):this.sendBuffer.push(o)),this.flags={},this}_registerAckCallback(e,t){var s;const n=(s=this.flags.timeout)!==null&&s!==void 0?s:this._opts.ackTimeout;if(n===void 0){this.acks[e]=t;return}const r=this.io.setTimeoutFn(()=>{delete this.acks[e];for(let c=0;c<this.sendBuffer.length;c++)this.sendBuffer[c].id===e&&this.sendBuffer.splice(c,1);t.call(this,new Error("operation has timed out"))},n),o=(...c)=>{this.io.clearTimeoutFn(r),t.apply(this,c)};o.withError=!0,this.acks[e]=o}emitWithAck(e,...t){return new Promise((s,n)=>{const r=(o,c)=>o?n(o):s(c);r.withError=!0,t.push(r),this.emit(e,...t)})}_addToQueue(e){let t;typeof e[e.length-1]=="function"&&(t=e.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:e,flags:Object.assign({fromQueue:!0},this.flags)};e.push((n,...r)=>s!==this._queue[0]?void 0:(n!==null?s.tryCount>this._opts.retries&&(this._queue.shift(),t&&t(n)):(this._queue.shift(),t&&t(null,...r)),s.pending=!1,this._drainQueue())),this._queue.push(s),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:a.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(s=>String(s.id)===e)){const s=this.acks[e];delete this.acks[e],s.withError&&s.call(this,new Error("socket has been disconnected"))}})}onpacket(e){if(e.nsp===this.nsp)switch(e.type){case a.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 a.EVENT:case a.BINARY_EVENT:this.onevent(e);break;case a.ACK:case a.BINARY_ACK:this.onack(e);break;case a.DISCONNECT:this.ondisconnect();break;case a.CONNECT_ERROR:this.destroy();const s=new Error(e.data.message);s.data=e.data.data,this.emitReserved("connect_error",s);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 s of t)s.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 s=!1;return function(...n){s||(s=!0,t.packet({type:a.ACK,id:e,data:n}))}}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:a.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 s=0;s<t.length;s++)if(e===t[s])return t.splice(s,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 s=0;s<t.length;s++)if(e===t[s])return t.splice(s,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 s of t)s.apply(this,e.data)}}}function b(i){i=i||{},this.ms=i.min||100,this.max=i.max||1e4,this.factor=i.factor||2,this.jitter=i.jitter>0&&i.jitter<=1?i.jitter:0,this.attempts=0}b.prototype.duration=function(){var i=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),t=Math.floor(e*this.jitter*i);i=Math.floor(e*10)&1?i+t:i-t}return Math.min(i,this.max)|0};b.prototype.reset=function(){this.attempts=0};b.prototype.setMin=function(i){this.ms=i};b.prototype.setMax=function(i){this.max=i};b.prototype.setJitter=function(i){this.jitter=i};class F extends u{constructor(e,t){var s;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,S(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((s=t.randomizationFactor)!==null&&s!==void 0?s:.5),this.backoff=new b({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(t.timeout==null?2e4:t.timeout),this._readyState="closed",this.uri=e;const n=t.parser||et;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=t.autoConnect!==!1,this._autoConnect&&this.open()}reconnection(e){return arguments.length?(this._reconnection=!!e,e||(this.skipReconnect=!0),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 He(this.uri,this.opts);const t=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=p(t,"open",function(){s.onopen(),e&&e()}),r=c=>{this.cleanup(),this._readyState="closed",this.emitReserved("error",c),e?e(c):this.maybeReconnectOnOpen()},o=p(t,"error",r);if(this._timeout!==!1){const c=this._timeout,h=this.setTimeoutFn(()=>{n(),r(new Error("timeout")),t.close()},c);this.opts.autoUnref&&h.unref(),this.subs.push(()=>{this.clearTimeoutFn(h)})}return this.subs.push(n),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(p(e,"ping",this.onping.bind(this)),p(e,"data",this.ondata.bind(this)),p(e,"error",this.onerror.bind(this)),p(e,"close",this.onclose.bind(this)),p(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){C(()=>{this.emitReserved("packet",e)},this.setTimeoutFn)}onerror(e){this.emitReserved("error",e)}socket(e,t){let s=this.nsps[e];return s?this._autoConnect&&!s.active&&s.connect():(s=new ce(this,e,t),this.nsps[e]=s),s}_destroy(e){const t=Object.keys(this.nsps);for(const s of t)if(this.nsps[s].active)return;this._close()}_packet(e){const t=this.encoder.encode(e);for(let s=0;s<t.length;s++)this.engine.write(t[s],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")}disconnect(){return this._close()}onclose(e,t){var s;this.cleanup(),(s=this.engine)===null||s===void 0||s.close(),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 s=this.setTimeoutFn(()=>{e.skipReconnect||(this.emitReserved("reconnect_attempt",e.backoff.attempts),!e.skipReconnect&&e.open(n=>{n?(e._reconnecting=!1,e.reconnect(),this.emitReserved("reconnect_error",n)):e.onreconnect()}))},t);this.opts.autoUnref&&s.unref(),this.subs.push(()=>{this.clearTimeoutFn(s)})}}onreconnect(){const e=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",e)}}const v={};function L(i,e){typeof i=="object"&&(e=i,i=void 0),e=e||{};const t=Ke(i,e.path||"/socket.io"),s=t.source,n=t.id,r=t.path,o=v[n]&&r in v[n].nsps,c=e.forceNew||e["force new connection"]||e.multiplex===!1||o;let h;return c?h=new F(s,e):(v[n]||(v[n]=new F(s,e)),h=v[n]),t.query&&!e.query&&(e.query=t.queryKey),h.socket(t.path,e)}Object.assign(L,{Manager:F,Socket:ce,io:L,connect:L});export{L as l};
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