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available")}),0)}t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return i("error while creating transport: %s",t),this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}setTransport(t){i("setting transport %s",t.name);const e=this;this.transport&&(i("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=t,t.on("drain",(function(){e.onDrain()})).on("packet",(function(t){e.onPacket(t)})).on("error",(function(t){e.onError(t)})).on("close",(function(){e.onClose("transport close")}))}probe(t){i('probing transport "%s"',t);let e=this.createTransport(t,{probe:1}),r=!1;const n=this;function o(){if(n.onlyBinaryUpgrades){const t=!this.supportsBinary&&n.transport.supportsBinary;r=r||t}r||(i('probe transport "%s" opened',t),e.send([{type:"ping",data:"probe"}]),e.once("packet",(function(o){if(!r)if("pong"===o.type&&"probe"===o.data){if(i('probe transport "%s" pong',t),n.upgrading=!0,n.emit("upgrading",e),!e)return;u.priorWebsocketSuccess="websocket"===e.name,i('pausing current transport "%s"',n.transport.name),n.transport.pause((function(){r||"closed"!==n.readyState&&(i("changing transport and sending upgrade packet"),p(),n.setTransport(e),e.send([{type:"upgrade"}]),n.emit("upgrade",e),e=null,n.upgrading=!1,n.flush())}))}else{i('probe transport "%s" failed',t);const r=new Error("probe error");r.transport=e.name,n.emit("upgradeError",r)}})))}function s(){r||(r=!0,p(),e.close(),e=null)}function a(r){const o=new Error("probe error: "+r);o.transport=e.name,s(),i('probe transport "%s" failed because of error: %s',t,r),n.emit("upgradeError",o)}function c(){a("transport closed")}function h(){a("socket closed")}function f(t){e&&t.name!==e.name&&(i('"%s" works - aborting "%s"',t.name,e.name),s())}function p(){e.removeListener("open",o),e.removeListener("error",a),e.removeListener("close",c),n.removeListener("close",h),n.removeListener("upgrading",f)}u.priorWebsocketSuccess=!1,e.once("open",o),e.once("error",a),e.once("close",c),this.once("close",h),this.once("upgrading",f),e.open()}onOpen(){if(i("socket open"),this.readyState="open",u.priorWebsocketSuccess="websocket"===this.transport.name,this.emit("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause){i("starting upgrade probes");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(i('socket receive: type "%s", data "%s"',t.type,t.data),this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emit("pong");break;case"error":const e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}else i('packet received with socket readyState "%s"',this.readyState)}onHandshake(t){this.emit("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.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}resetPingTimeout(){clearTimeout(this.pingTimeoutTimer),this.pingTimeoutTimer=setTimeout((()=>{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.emit("drain"):this.flush()}flush(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(i("flushing %d packets in socket",this.writeBuffer.length),this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))}write(t,e,r){return this.sendPacket("message",t,e,r),this}send(t,e,r){return this.sendPacket("message",t,e,r),this}sendPacket(t,e,r,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof r&&(n=r,r=null),"closing"===this.readyState||"closed"===this.readyState)return;(r=r||{}).compress=!1!==r.compress;const o={type:t,data:e,options:r};this.emit("packetCreate",o),this.writeBuffer.push(o),n&&this.once("flush",n),this.flush()}close(){const t=this;function e(){t.onClose("forced close"),i("socket closing - telling transport to close"),t.transport.close()}function r(){t.removeListener("upgrade",r),t.removeListener("upgradeError",r),e()}function n(){t.once("upgrade",r),t.once("upgradeError",r)}return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){this.upgrading?n():e()})):this.upgrading?n():e()),this}onError(t){i("socket error %j",t),u.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)}onClose(t,e){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState){i('socket close with reason: "%s"',t);const r=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&removeEventListener("offline",this.offlineEventListener,!1),this.readyState="closed",this.id=null,this.emit("close",t,e),r.writeBuffer=[],r.prevBufferLen=0}}filterUpgrades(t){const e=[];let r=0;const n=t.length;for(;r<n;r++)~this.transports.indexOf(t[r])&&e.push(t[r]);return e}}u.priorWebsocketSuccess=!1,u.protocol=s.protocol,t.exports=u},496:(t,e,r)=>{const n=r(743),o=r(767);t.exports=class extends o{constructor(t){super(),this.opts=t,this.query=t.query,this.readyState="",this.socket=t.socket}onError(t,e){const r=new Error(t);return r.type="TransportError",r.description=e,this.emit("error",r),this}open(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this}close(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}send(t){if("open"!==this.readyState)throw new Error("Transport not open");this.write(t)}onOpen(){this.readyState="open",this.writable=!0,this.emit("open")}onData(t){const e=n.decodePacket(t,this.socket.binaryType);this.onPacket(e)}onPacket(t){this.emit("packet",t)}onClose(){this.readyState="closed",this.emit("close")}}},352:(t,e,r)=>{const n=r(777),o=r(416),i=r(785),s=r(442);e.polling=function(t){let e,r=!1,s=!1;const a=!1!==t.jsonp;if("undefined"!=typeof location){const e="https:"===location.protocol;let n=location.port;n||(n=e?443:80),r=t.hostname!==location.hostname||n!==t.port,s=t.secure!==e}if(t.xdomain=r,t.xscheme=s,e=new n(t),"open"in e&&!t.forceJSONP)return new o(t);if(!a)throw new Error("JSONP disabled");return new i(t)},e.websocket=s},785:(t,e,r)=>{const n=r(15),o=r(549),i=/\n/g,s=/\\n/g;let a;t.exports=class extends n{constructor(t){super(t),this.query=this.query||{},a||(a=o.___eio=o.___eio||[]),this.index=a.length;const e=this;a.push((function(t){e.onData(t)})),this.query.j=this.index}get supportsBinary(){return!1}doClose(){this.script&&(this.script.onerror=()=>{},this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),super.doClose()}doPoll(){const t=this,e=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),e.async=!0,e.src=this.uri(),e.onerror=function(e){t.onError("jsonp poll error",e)};const r=document.getElementsByTagName("script")[0];r?r.parentNode.insertBefore(e,r):(document.head||document.body).appendChild(e),this.script=e;"undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent)&&setTimeout((function(){const t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)}),100)}doWrite(t,e){const r=this;let n;if(!this.form){const t=document.createElement("form"),e=document.createElement("textarea"),r=this.iframeId="eio_iframe_"+this.index;t.className="socketio",t.style.position="absolute",t.style.top="-1000px",t.style.left="-1000px",t.target=r,t.method="POST",t.setAttribute("accept-charset","utf-8"),e.name="d",t.appendChild(e),document.body.appendChild(t),this.form=t,this.area=e}function o(){a(),e()}function a(){if(r.iframe)try{r.form.removeChild(r.iframe)}catch(t){r.onError("jsonp polling iframe removal error",t)}try{const t='<iframe src="javascript:0" name="'+r.iframeId+'">';n=document.createElement(t)}catch(t){n=document.createElement("iframe"),n.name=r.iframeId,n.src="javascript:0"}n.id=r.iframeId,r.form.appendChild(n),r.iframe=n}this.form.action=this.uri(),a(),t=t.replace(s,"\\\n"),this.area.value=t.replace(i,"\\n");try{this.form.submit()}catch(t){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"===r.iframe.readyState&&o()}:this.iframe.onload=o}}},416:(t,e,r)=>{const n=r(777),o=r(15),i=r(767),{pick:s}=r(839),a=r(549),c=r(227)("engine.io-client:polling-xhr");function u(){}const h=null!=new n({xdomain:!1}).responseType;class f extends i{constructor(t,e){super(),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=s(this.opts,"agent","enablesXDR","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");t.xdomain=!!this.opts.xd,t.xscheme=!!this.opts.xs;const e=this.xhr=new n(t),r=this;try{c("xhr open %s: %s",this.method,this.uri),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),this.hasXDR()?(e.onload=function(){r.onLoad()},e.onerror=function(){r.onError(e.responseText)}):e.onreadystatechange=function(){4===e.readyState&&(200===e.status||1223===e.status?r.onLoad():setTimeout((function(){r.onError("number"==typeof e.status?e.status:0)}),0))},c("xhr data %s",this.data),e.send(this.data)}catch(t){return void setTimeout((function(){r.onError(t)}),0)}"undefined"!=typeof document&&(this.index=f.requestsCount++,f.requests[this.index]=this)}onSuccess(){this.emit("success"),this.cleanup()}onData(t){this.emit("data",t),this.onSuccess()}onError(t){this.emit("error",t),this.cleanup(!0)}cleanup(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=u:this.xhr.onreadystatechange=u,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete f.requests[this.index],this.xhr=null}}onLoad(){const t=this.xhr.responseText;null!==t&&this.onData(t)}hasXDR(){return"undefined"!=typeof XDomainRequest&&!this.xs&&this.enablesXDR}abort(){this.cleanup()}}if(f.requestsCount=0,f.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",p);else if("function"==typeof addEventListener){addEventListener("onpagehide"in a?"pagehide":"unload",p,!1)}function p(){for(let t in f.requests)f.requests.hasOwnProperty(t)&&f.requests[t].abort()}t.exports=class extends o{constructor(t){if(super(t),"undefined"!=typeof location){const e="https:"===location.protocol;let r=location.port;r||(r=e?443:80),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||r!==t.port,this.xs=t.secure!==e}const e=t&&t.forceBase64;this.supportsBinary=h&&!e}request(t={}){return Object.assign(t,{xd:this.xd,xs:this.xs},this.opts),new f(this.uri(),t)}doWrite(t,e){const r=this.request({method:"POST",data:t}),n=this;r.on("success",e),r.on("error",(function(t){n.onError("xhr post error",t)}))}doPoll(){c("xhr poll");const t=this.request(),e=this;t.on("data",(function(t){e.onData(t)})),t.on("error",(function(t){e.onError("xhr poll error",t)})),this.pollXhr=t}},t.exports.Request=f},15:(t,e,r)=>{const n=r(496),o=r(830),i=r(743),s=r(281),a=r(227)("engine.io-client:polling");t.exports=class extends n{get name(){return"polling"}doOpen(){this.poll()}pause(t){const e=this;function r(){a("paused"),e.readyState="paused",t()}if(this.readyState="pausing",this.polling||!this.writable){let t=0;this.polling&&(a("we are currently polling - waiting to pause"),t++,this.once("pollComplete",(function(){a("pre-pause polling complete"),--t||r()}))),this.writable||(a("we are currently writing - waiting to pause"),t++,this.once("drain",(function(){a("pre-pause writing complete"),--t||r()})))}else r()}poll(){a("polling"),this.polling=!0,this.doPoll(),this.emit("poll")}onData(t){const e=this;a("polling got data 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r="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=s()),this.supportsBinary||t.sid||(t.b64=1),t=o.encode(t),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(r=":"+this.opts.port),t.length&&(t="?"+t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+r+this.opts.path+t}}},866:(t,e,r)=>{const n=r(549);t.exports={WebSocket:n.WebSocket||n.MozWebSocket,usingBrowserWebSocket:!0,defaultBinaryType:"arraybuffer"}},442:(t,e,r)=>{var n=r(764).Buffer;const o=r(496),i=r(743),s=r(830),a=r(281),{pick:c}=r(839),{WebSocket:u,usingBrowserWebSocket:h,defaultBinaryType:f}=r(866),p=r(227)("engine.io-client:websocket"),l="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase();class d extends o{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,r=l?{}:c(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(r.headers=this.opts.extraHeaders);try{this.ws=h&&!l?e?new u(t,e):new u(t):new u(t,e,r)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||f,this.addEventListeners()}addEventListeners(){this.ws.onopen=()=>{this.opts.autoUnref&&this.ws._socket.unref(),this.onOpen()},this.ws.onclose=this.onClose.bind(this),this.ws.onmessage=t=>this.onData(t.data),this.ws.onerror=t=>this.onError("websocket error",t)}write(t){const e=this;this.writable=!1;let r=t.length,o=0;const s=r;for(;o<s;o++)!function(t){i.encodePacket(t,e.supportsBinary,(function(o){const i={};if(!h&&(t.options&&(i.compress=t.options.compress),e.opts.perMessageDeflate)){("string"==typeof 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o=s.on(e,"open",(function(){r.onopen(),t&&t()})),i=s.on(e,"error",(e=>{u("error"),r.cleanup(),r._readyState="closed",this.emitReserved("error",e),t?t(e):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){const t=this._timeout;u("connect attempt will timeout after %d",t),0===t&&o();const r=setTimeout((()=>{u("connect attempt timed out after %d",t),o(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}return this.subs.push(o),this.subs.push(i),this}connect(t){return this.open(t)}onopen(){u("open"),this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(s.on(t,"ping",this.onping.bind(this)),s.on(t,"data",this.ondata.bind(this)),s.on(t,"error",this.onerror.bind(this)),s.on(t,"close",this.onclose.bind(this)),s.on(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){this.decoder.add(t)}ondecoded(t){this.emitReserved("packet",t)}onerror(t){u("error",t),this.emitReserved("error",t)}socket(t,e){let r=this.nsps[t];return r||(r=new o.Socket(this,t,e),this.nsps[t]=r),r}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return void u("socket %s is still active, skipping close",t)}this._close()}_packet(t){u("writing packet %j",t);const e=this.encoder.encode(t);for(let r=0;r<e.length;r++)this.engine.write(e[r],t.options)}cleanup(){u("cleanup"),this.subs.forEach((t=>t())),this.subs.length=0,this.decoder.destroy()}_close(){u("disconnect"),this.skipReconnect=!0,this._reconnecting=!1,"opening"===this._readyState&&this.cleanup(),this.backoff.reset(),this._readyState="closed",this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t){u("onclose"),this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)u("reconnect failed"),this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();u("will wait %dms before reconnect attempt",e),this._reconnecting=!0;const r=setTimeout((()=>{t.skipReconnect||(u("attempting 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i.StrictEventEmitter{constructor(t,e,r){super(),this.receiveBuffer=[],this.sendBuffer=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,this.ids=0,this.acks={},this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0,this.flags={},r&&r.auth&&(this.auth=r.auth),this.io._autoConnect&&this.open()}subEvents(){if(this.subs)return;const t=this.io;this.subs=[o.on(t,"open",this.onopen.bind(this)),o.on(t,"packet",this.onpacket.bind(this)),o.on(t,"error",this.onerror.bind(this)),o.on(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(a.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');e.unshift(t);const r={type:n.PacketType.EVENT,data:e,options:{}};r.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]&&(s("emitting packet with ack id %d",this.ids),this.acks[this.ids]=e.pop(),r.id=this.ids++);const o=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!o||!this.connected)?s("discard packet as the transport is not currently writable"):this.connected?this.packet(r):this.sendBuffer.push(r),this.flags={},this}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){s("transport is open - connecting"),"function"==typeof this.auth?this.auth((t=>{this.packet({type:n.PacketType.CONNECT,data:t})})):this.packet({type:n.PacketType.CONNECT,data:this.auth})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t){s("close (%s)",t),this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case n.PacketType.CONNECT:if(t.data&&t.data.sid){const e=t.data.sid;this.onconnect(e)}else 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 n.PacketType.EVENT:case n.PacketType.BINARY_EVENT:this.onevent(t);break;case n.PacketType.ACK:case n.PacketType.BINARY_ACK:this.onack(t);break;case n.PacketType.DISCONNECT:this.ondisconnect();break;case n.PacketType.CONNECT_ERROR:const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];s("emitting event %j",e),null!=t.id&&(s("attaching ack callback to event"),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 r of e)r.apply(this,t)}super.emit.apply(this,t)}ack(t){const e=this;let r=!1;return function(...o){r||(r=!0,s("sending ack %j",o),e.packet({type:n.PacketType.ACK,id:t,data:o}))}}onack(t){const e=this.acks[t.id];"function"==typeof e?(s("calling ack %s with %j",t.id,t.data),e.apply(this,t.data),delete this.acks[t.id]):s("bad ack %s",t.id)}onconnect(t){s("socket connected with id %s",t),this.id=t,this.connected=!0,this.disconnected=!1,this.emitReserved("connect"),this.emitBuffered()}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>this.packet(t))),this.sendBuffer=[]}ondisconnect(){s("server disconnect (%s)",this.nsp),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&&(s("performing disconnect (%s)",this.nsp),this.packet({type:n.PacketType.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io 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a;e.protocol=5,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"}(a=e.PacketType||(e.PacketType={}));e.Encoder=class{encode(t){return s("encoding packet %j",t),t.type!==a.EVENT&&t.type!==a.ACK||!i.hasBinary(t)?[this.encodeAsString(t)]:(t.type=t.type===a.EVENT?a.BINARY_EVENT:a.BINARY_ACK,this.encodeAsBinary(t))}encodeAsString(t){let e=""+t.type;return t.type!==a.BINARY_EVENT&&t.type!==a.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)),s("encoded %j as %s",t,e),e}encodeAsBinary(t){const e=o.deconstructPacket(t),r=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(r),n}};class c extends n{constructor(){super()}add(t){let e;if("string"==typeof t)e=this.decodeString(t),e.type===a.BINARY_EVENT||e.type===a.BINARY_ACK?(this.reconstructor=new 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