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s=(0,h.on)(e,"open",(function(){r.onopen(),t&&t()})),i=(0,h.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&&s();const r=this.setTimeoutFn(()=>{u("connect attempt timed out after %d",t),s(),e.close(),e.emit("error",new Error("timeout"))},t);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}return this.subs.push(s),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((0,h.on)(t,"ping",this.onping.bind(this)),(0,h.on)(t,"data",this.ondata.bind(this)),(0,h.on)(t,"error",this.onerror.bind(this)),(0,h.on)(t,"close",this.onclose.bind(this)),(0,h.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 i.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=this.setTimeoutFn(()=>{t.skipReconnect||(u("attempting 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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){"open"===this.readyState?this.write(t):o("transport is not open, discarding packets")}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")}}},function(t,e){const r=Object.create(null);r.open="0",r.close="1",r.ping="2",r.pong="3",r.message="4",r.upgrade="5",r.noop="6";const n=Object.create(null);Object.keys(r).forEach(t=>{n[r[t]]=t});t.exports={PACKET_TYPES:r,PACKET_TYPES_REVERSE:n,ERROR_PACKET:{type:"error",data:"parser error"}}},function(t,e){e.encode=function(t){var e="";for(var r in 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i.StrictEventEmitter{constructor(t,e,r){super(),this.connected=!1,this.disconnected=!0,this.receiveBuffer=[],this.sendBuffer=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,r&&r.auth&&(this.auth=r.auth),this.io._autoConnect&&this.open()}subEvents(){if(this.subs)return;const t=this.io;this.subs=[(0,s.on)(t,"open",this.onopen.bind(this)),(0,s.on)(t,"packet",this.onpacket.bind(this)),(0,s.on)(t,"error",this.onerror.bind(this)),(0,s.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(h.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]&&(o("emitting packet with ack id %d",this.ids),this.acks[this.ids]=e.pop(),r.id=this.ids++);const s=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!s||!this.connected)?o("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(){o("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){o("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||[];o("emitting event %j",e),null!=t.id&&(o("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(...s){r||(r=!0,o("sending ack %j",s),e.packet({type:n.PacketType.ACK,id:t,data:s}))}}onack(t){const e=this.acks[t.id];"function"==typeof e?(o("calling ack %s with %j",t.id,t.data),e.apply(this,t.data),delete this.acks[t.id]):o("bad ack %s",t.id)}onconnect(t){o("socket connected with id %s",t),this.id=t,this.connected=!0,this.disconnected=!1,this.emitBuffered(),this.emitReserved("connect")}emitBuffered(){this.receiveBuffer.forEach(t=>this.emitEvent(t)),this.receiveBuffer=[],this.sendBuffer.forEach(t=>this.packet(t)),this.sendBuffer=[]}ondisconnect(){o("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&&(o("performing disconnect (%s)",this.nsp),this.packet({type:n.PacketType.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let r=0;r<e.length;r++)if(t===e[r])return e.splice(r,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}}e.Socket=a},function(t,e,r){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.on=void 0,e.on=function(t,e,r){return t.on(e,r),function(){t.off(e,r)}}},function(t,e,r){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.StrictEventEmitter=void 0;const n=r(2);e.StrictEventEmitter=class extends n{on(t,e){return super.on(t,e),this}once(t,e){return super.once(t,e),this}emit(t,...e){return super.emit(t,...e),this}emitReserved(t,...e){return super.emit(t,...e),this}listeners(t){return super.listeners(t)}}},function(t,e,r){t.exports=r(17)},function(t,e,r){"use 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n=r(7),s=r(2),i=r(0)("engine.io-client:socket"),o=r(1),h=r(5),a=r(11),{installTimerFunctions:c}=r(3);class u extends s{constructor(t,e={}){super(),t&&"object"==typeof t&&(e=t,t=null),t?(t=h(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=h(e.host).host),c(this,e),this.secure=null!=e.secure?e.secure:"undefined"!=typeof location&&"https:"===location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.hostname=e.hostname||("undefined"!=typeof location?location.hostname:"localhost"),this.port=e.port||("undefined"!=typeof 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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("ping"),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(){this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn(()=>{this.onClose("ping timeout")},this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.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 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