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socket",e.length),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 r=0;r<this.writeBuffer.length;r++){const _=this.writeBuffer[r].data;if(_&&(t+=(0,d.byteLength)(_)),r>0&&t>this._maxPayload)return i("only send %d out of %d packets",r,this.writeBuffer.length),this.writeBuffer.slice(0,r);t+=2}return i("payload size is %d (max: %d)",t,this._maxPayload),this.writeBuffer}_hasPingExpired(){if(!this._pingTimeoutTime)return!0;const e=Date.now()>this._pingTimeoutTime;return e&&(i("throttled timer detected, scheduling connection close"),this._pingTimeoutTime=0,(0,u.nextTick)(()=>{this._onClose("ping timeout")},this.setTimeoutFn)),e}write(e,t,r){return this._sendPacket("message",e,t,r),this}send(e,t,r){return this._sendPacket("message",e,t,r),this}_sendPacket(e,t,r,_){if(typeof t=="function"&&(_=t,t=void 0),typeof r=="function"&&(_=r,r=null),this.readyState==="closing"||this.readyState==="closed")return;r=r||{},r.compress=r.compress!==!1;const P={type:e,data:t,options:r};this.emitReserved("packetCreate",P),this.writeBuffer.push(P),_&&this.once("flush",_),this.flush()}close(){const e=()=>{this._onClose("forced close"),i("socket closing - telling transport to close"),this.transport.close()},t=()=>{this.off("upgrade",t),this.off("upgradeError",t),e()},r=()=>{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?r():e()}):this.upgrading?r():e()),this}_onError(e){if(i("socket error %j",e),c.priorWebsocketSuccess=!1,this.opts.tryAllTransports&&this.transports.length>1&&this.readyState==="opening")return i("trying next transport"),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(i('socket close with reason: "%s"',e),this.clearTimeoutFn(this._pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),s&&(this._beforeunloadEventListener&&removeEventListener("beforeunload",this._beforeunloadEventListener,!1),this._offlineEventListener)){const r=h.indexOf(this._offlineEventListener);r!==-1&&(i("removing listener for the 'offline' event"),h.splice(r,1))}this.readyState="closed",this.id=null,this.emitReserved("close",e,t),this.writeBuffer=[],this._prevBufferLen=0}}}k.SocketWithoutUpgrade=c,c.protocol=g.protocol;class m extends c{constructor(){super(...arguments),this._upgrades=[]}onOpen(){if(super.onOpen(),this.readyState==="open"&&this.opts.upgrade){i("starting upgrade probes");for(let e=0;e<this._upgrades.length;e++)this._probe(this._upgrades[e])}}_probe(e){i('probing transport "%s"',e);let t=this.createTransport(e),r=!1;c.priorWebsocketSuccess=!1;const _=()=>{r||(i('probe transport "%s" opened',e),t.send([{type:"ping",data:"probe"}]),t.once("packet",S=>{if(!r)if(S.type==="pong"&&S.data==="probe"){if(i('probe transport "%s" pong',e),this.upgrading=!0,this.emitReserved("upgrading",t),!t)return;c.priorWebsocketSuccess=t.name==="websocket",i('pausing current transport "%s"',this.transport.name),this.transport.pause(()=>{r||this.readyState!=="closed"&&(i("changing transport and sending upgrade packet"),K(),this.setTransport(t),t.send([{type:"upgrade"}]),this.emitReserved("upgrade",t),t=null,this.upgrading=!1,this.flush())})}else{i('probe transport "%s" failed',e);const C=new Error("probe error");C.transport=t.name,this.emitReserved("upgradeError",C)}}))};function P(){r||(r=!0,K(),t.close(),t=null)}const D=S=>{const C=new Error("probe error: "+S);C.transport=t.name,P(),i('probe transport "%s" failed because of error: %s',e,S),this.emitReserved("upgradeError",C)};function G(){D("transport closed")}function $(){D("socket closed")}function V(S){t&&S.name!==t.name&&(i('"%s" works - aborting "%s"',S.name,t.name),P())}const K=()=>{t.removeListener("open",_),t.removeListener("error",D),t.removeListener("close",G),this.off("close",$),this.off("upgrading",V)};t.once("open",_),t.once("error",D),t.once("close",G),this.once("close",$),this.once("upgrading",V),this._upgrades.indexOf("webtransport")!==-1&&e!=="webtransport"?this.setTimeoutFn(()=>{r||t.open()},200):t.open()}onHandshake(e){this._upgrades=this._filterUpgrades(e.upgrades),super.onHandshake(e)}_filterUpgrades(e){const t=[];for(let r=0;r<e.length;r++)~this.transports.indexOf(e[r])&&t.push(e[r]);return t}}k.SocketWithUpgrade=m;class b extends m{constructor(e,t={}){const r=typeof e=="object"?e:t;(!r.transports||r.transports&&typeof r.transports[0]=="string")&&(r.transports=(r.transports||["polling","websocket","webtransport"]).map(_=>y.transports[_]).filter(_=>!!_)),super(e,r)}}return k.Socket=b,k}var U={},ue;function ye(){if(ue)return U;ue=1,Object.defineProperty(U,"__esModule",{value:!0}),U.Fetch=void 0;const n=de();class y extends n.Polling{doPoll(){this._fetch().then(l=>{if(!l.ok)return this.onError("fetch read error",l.status,l);l.text().then(p=>this.onData(p))}).catch(l=>{this.onError("fetch read error",l)})}doWrite(l,p){this._fetch(l).then(o=>{if(!o.ok)return this.onError("fetch write error",o.status,o);p()}).catch(o=>{this.onError("fetch write error",o)})}_fetch(l){var p;const o=l!==void 0,g=new Headers(this.opts.extraHeaders);return o&&g.set("content-type","text/plain;charset=UTF-8"),(p=this.socket._cookieJar)===null||p===void 0||p.appendCookies(g),fetch(this.uri(),{method:o?"POST":"GET",body:o?l:null,headers:g,credentials:this.opts.withCredentials?"include":"omit"}).then(u=>{var a;return(a=this.socket._cookieJar)===null||a===void 0||a.parseCookies(u.headers.getSetCookie()),u})}}return U.Fetch=y,U}var le;function we(){return le||(le=1,function(n){Object.defineProperty(n,"__esModule",{value:!0}),n.WebTransport=n.WebSocket=n.NodeWebSocket=n.XHR=n.NodeXHR=n.Fetch=n.nextTick=n.parse=n.installTimerFunctions=n.transports=n.TransportError=n.Transport=n.protocol=n.SocketWithUpgrade=n.SocketWithoutUpgrade=n.Socket=void 0;const y=he();Object.defineProperty(n,"Socket",{enumerable:!0,get:function(){return y.Socket}});var d=he();Object.defineProperty(n,"SocketWithoutUpgrade",{enumerable:!0,get:function(){return d.SocketWithoutUpgrade}}),Object.defineProperty(n,"SocketWithUpgrade",{enumerable:!0,get:function(){return d.SocketWithUpgrade}}),n.protocol=y.Socket.protocol;var l=N();Object.defineProperty(n,"Transport",{enumerable:!0,get:function(){return l.Transport}}),Object.defineProperty(n,"TransportError",{enumerable:!0,get:function(){return l.TransportError}});var p=_e();Object.defineProperty(n,"transports",{enumerable:!0,get:function(){return p.transports}});var o=x();Object.defineProperty(n,"installTimerFunctions",{enumerable:!0,get:function(){return o.installTimerFunctions}});var g=ge();Object.defineProperty(n,"parse",{enumerable:!0,get:function(){return g.parse}});var u=O();Object.defineProperty(n,"nextTick",{enumerable:!0,get:function(){return u.nextTick}});var a=ye();Object.defineProperty(n,"Fetch",{enumerable:!0,get:function(){return a.Fetch}});var i=A();Object.defineProperty(n,"NodeXHR",{enumerable:!0,get:function(){return i.XHR}});var s=A();Object.defineProperty(n,"XHR",{enumerable:!0,get:function(){return s.XHR}});var h=z();Object.defineProperty(n,"NodeWebSocket",{enumerable:!0,get:function(){return h.WS}});var c=z();Object.defineProperty(n,"WebSocket",{enumerable:!0,get:function(){return c.WS}});var m=fe();Object.defineProperty(n,"WebTransport",{enumerable:!0,get:function(){return m.WT}})}(I)),I}export{we as r};