/*!
 * Socket.IO v4.5.1
 * (c) 2014-2022 Guillermo Rauch
 * Released under the MIT License.
 */
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n(this,a),i=r.call(this),t&&"object"===e(t)&&(o=t,t=null),t?(t=ft(t),o.hostname=t.host,o.secure="https"===t.protocol||"wss"===t.protocol,o.port=t.port,t.query&&(o.query=t.query)):o.host&&(o.hostname=ft(o.host).host),M(l(i),o),i.secure=null!=o.secure?o.secure:"undefined"!=typeof location&&"https:"===location.protocol,o.hostname&&!o.port&&(o.port=i.secure?"443":"80"),i.hostname=o.hostname||("undefined"!=typeof location?location.hostname:"localhost"),i.port=o.port||("undefined"!=typeof location&&location.port?location.port:i.secure?"443":"80"),i.transports=o.transports||["polling","websocket"],i.readyState="",i.writeBuffer=[],i.prevBufferLen=0,i.opts=s({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},o),i.opts.path=i.opts.path.replace(/\/$/,"")+"/","string"==typeof i.opts.query&&(i.opts.query=J(i.opts.query)),i.id=null,i.upgrades=null,i.pingInterval=null,i.pingTimeout=null,i.pingTimeoutTimer=null,"function"==typeof addEventListener&&(i.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){i.transport&&(i.transport.removeAllListeners(),i.transport.close())}),!1),"localhost"!==i.hostname&&(i.offlineEventListener=function(){i.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",i.offlineEventListener,!1))),i.open(),i}return i(a,[{key:"createTransport",value:function(t){var e=s({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=s({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ct[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function s(){r||(r=!0,f(),n.close(),n=null)}var o=function(t){var r=new Error("probe error: "+t);r.transport=n.name,s(),e.emitReserved("upgradeError",r)};function c(){o("transport closed")}function u(){o("socket closed")}function h(t){n&&t.name!==n.name&&s()}var f=function(){n.removeListener("open",i),n.removeListener("error",o),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",i),n.once("error",o),n.once("close",c),this.once("close",u),this.once("upgrading",h),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("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.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(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.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(t){for(var e=[],n=0,r=t.length;n<r;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(U);lt.protocol=4;var pt={},dt={};function yt(t,e,n){for(var r=0,i=0,s=n.length;i<s;i++)(r=n.charCodeAt(i))<128?t.setUint8(e++,r):r<2048?(t.setUint8(e++,192|r>>6),t.setUint8(e++,128|63&r)):r<55296||r>=57344?(t.setUint8(e++,224|r>>12),t.setUint8(e++,128|r>>6&63),t.setUint8(e++,128|63&r)):(i++,r=65536+((1023&r)<<10|1023&n.charCodeAt(i)),t.setUint8(e++,240|r>>18),t.setUint8(e++,128|r>>12&63),t.setUint8(e++,128|r>>6&63),t.setUint8(e++,128|63&r))}function vt(t,n,r){var i=e(r),s=0,o=0,a=0,c=0,u=0,h=0;if("string"===i){if(u=function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(r),u<32)t.push(160|u),h=1;else if(u<256)t.push(217,u),h=2;else if(u<65536)t.push(218,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("String too long");t.push(219,u>>24,u>>16,u>>8,u),h=5}return n.push({_str:r,_length:u,_offset:t.length}),h+u}if("number"===i)return Math.floor(r)===r&&isFinite(r)?r>=0?r<128?(t.push(r),1):r<256?(t.push(204,r),2):r<65536?(t.push(205,r>>8,r),3):r<4294967296?(t.push(206,r>>24,r>>16,r>>8,r),5):(a=r/Math.pow(2,32)>>0,c=r>>>0,t.push(207,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):r>=-32?(t.push(r),1):r>=-128?(t.push(208,r),2):r>=-32768?(t.push(209,r>>8,r),3):r>=-2147483648?(t.push(210,r>>24,r>>16,r>>8,r),5):(a=Math.floor(r/Math.pow(2,32)),c=r>>>0,t.push(211,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):(t.push(203),n.push({_float:r,_length:8,_offset:t.length}),9);if("object"===i){if(null===r)return t.push(192),1;if(Array.isArray(r)){if((u=r.length)<16)t.push(144|u),h=1;else if(u<65536)t.push(220,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Array too large");t.push(221,u>>24,u>>16,u>>8,u),h=5}for(s=0;s<u;s++)h+=vt(t,n,r[s]);return h}if(r instanceof Date){var f=r.getTime();return a=Math.floor(f/Math.pow(2,32)),c=f>>>0,t.push(215,0,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),10}if(r instanceof ArrayBuffer){if((u=r.byteLength)<256)t.push(196,u),h=2;else if(u<65536)t.push(197,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Buffer too large");t.push(198,u>>24,u>>16,u>>8,u),h=5}return n.push({_bin:r,_length:u,_offset:t.length}),h+u}if("function"==typeof r.toJSON)return vt(t,n,r.toJSON());var l=[],p="",d=Object.keys(r);for(s=0,o=d.length;s<o;s++)"function"!=typeof r[p=d[s]]&&l.push(p);if((u=l.length)<16)t.push(128|u),h=1;else if(u<65536)t.push(222,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Object too large");t.push(223,u>>24,u>>16,u>>8,u),h=5}for(s=0;s<u;s++)h+=vt(t,n,p=l[s]),h+=vt(t,n,r[p]);return h}if("boolean"===i)return t.push(r?195:194),1;if("undefined"===i)return t.push(212,0,0),3;throw new Error("Could not encode")}var gt=function(t){var e=[],n=[],r=vt(e,n,t),i=new ArrayBuffer(r),s=new DataView(i),o=0,a=0,c=-1;n.length>0&&(c=n[0]._offset);for(var u,h=0,f=0,l=0,p=e.length;l<p;l++)if(s.setUint8(a+l,e[l]),l+1===c){if(h=(u=n[o])._length,f=a+c,u._bin)for(var d=new Uint8Array(u._bin),y=0;y<h;y++)s.setUint8(f+y,d[y]);else u._str?yt(s,f,u._str):void 0!==u._float&&s.setFloat64(f,u._float);a+=h,n[++o]&&(c=n[o]._offset)}return i};function mt(t){if(this._offset=0,t instanceof ArrayBuffer)this._buffer=t,this._view=new DataView(this._buffer);else{if(!ArrayBuffer.isView(t))throw new Error("Invalid argument");this._buffer=t.buffer,this._view=new DataView(this._buffer,t.byteOffset,t.byteLength)}}mt.prototype._array=function(t){for(var e=new Array(t),n=0;n<t;n++)e[n]=this._parse();return e},mt.prototype._map=function(t){for(var e={},n=0;n<t;n++)e[this._parse()]=this._parse();return e},mt.prototype._str=function(t){var e=function(t,e,n){for(var r="",i=0,s=e,o=e+n;s<o;s++){var a=t.getUint8(s);if(0!=(128&a))if(192!=(224&a))if(224!=(240&a)){if(240!=(248&a))throw new Error("Invalid byte "+a.toString(16));(i=(7&a)<<18|(63&t.getUint8(++s))<<12|(63&t.getUint8(++s))<<6|(63&t.getUint8(++s))<<0)>=65536?(i-=65536,r+=String.fromCharCode(55296+(i>>>10),56320+(1023&i))):r+=String.fromCharCode(i)}else r+=String.fromCharCode((15&a)<<12|(63&t.getUint8(++s))<<6|(63&t.getUint8(++s))<<0);else r+=String.fromCharCode((31&a)<<6|63&t.getUint8(++s));else r+=String.fromCharCode(a)}return r}(this._view,this._offset,t);return this._offset+=t,e},mt.prototype._bin=function(t){var e=this._buffer.slice(this._offset,this._offset+t);return this._offset+=t,e},mt.prototype._parse=function(){var t,e=this._view.getUint8(this._offset++),n=0,r=0,i=0,s=0;if(e<192)return e<128?e:e<144?this._map(15&e):e<160?this._array(15&e):this._str(31&e);if(e>223)return-1*(255-e+1);switch(e){case 192:return null;case 194:return!1;case 195:return!0;case 196:return n=this._view.getUint8(this._offset),this._offset+=1,this._bin(n);case 197:return n=this._view.getUint16(this._offset),this._offset+=2,this._bin(n);case 198:return n=this._view.getUint32(this._offset),this._offset+=4,this._bin(n);case 199:return n=this._view.getUint8(this._offset),r=this._view.getInt8(this._offset+1),this._offset+=2,[r,this._bin(n)];case 200:return n=this._view.getUint16(this._offset),r=this._view.getInt8(this._offset+2),this._offset+=3,[r,this._bin(n)];case 201:return n=this._view.getUint32(this._offset),r=this._view.getInt8(this._offset+4),this._offset+=5,[r,this._bin(n)];case 202:return t=this._view.getFloat32(this._offset),this._offset+=4,t;case 203:return t=this._view.getFloat64(this._offset),this._offset+=8,t;case 204:return t=this._view.getUint8(this._offset),this._offset+=1,t;case 205:return t=this._view.getUint16(this._offset),this._offset+=2,t;case 206:return t=this._view.getUint32(this._offset),this._offset+=4,t;case 207:return i=this._view.getUint32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,i+s;case 208:return t=this._view.getInt8(this._offset),this._offset+=1,t;case 209:return t=this._view.getInt16(this._offset),this._offset+=2,t;case 210:return t=this._view.getInt32(this._offset),this._offset+=4,t;case 211:return i=this._view.getInt32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,i+s;case 212:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?void(this._offset+=1):[r,this._bin(1)];case 213:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(2)];case 214:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(4)];case 215:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?(i=this._view.getInt32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,new Date(i+s)):[r,this._bin(8)];case 216:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(16)];case 217:return n=this._view.getUint8(this._offset),this._offset+=1,this._str(n);case 218:return n=this._view.getUint16(this._offset),this._offset+=2,this._str(n);case 219:return n=this._view.getUint32(this._offset),this._offset+=4,this._str(n);case 220:return n=this._view.getUint16(this._offset),this._offset+=2,this._array(n);case 221:return n=this._view.getUint32(this._offset),this._offset+=4,this._array(n);case 222:return n=this._view.getUint16(this._offset),this._offset+=2,this._map(n);case 223:return n=this._view.getUint32(this._offset),this._offset+=4,this._map(n)}throw new Error("Could not parse")};var _t=function(t){var e=new mt(t),n=e._parse();if(e._offset!==t.byteLength)throw new Error(t.byteLength-e._offset+" trailing bytes");return n};dt.encode=gt,dt.decode=_t;var bt,kt={exports:{}};!function(t){function e(t){if(t)return function(t){for(var n in e.prototype)t[n]=e.prototype[n];return t}(t)}t.exports=e,e.prototype.on=e.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},e.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},e.prototype.off=e.prototype.removeListener=e.prototype.removeAllListeners=e.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<r.length;i++)if((n=r[i])===e||n.fn===e){r.splice(i,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},e.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(n){r=0;for(var i=(n=n.slice(0)).length;r<i;++r)n[r].apply(this,e)}return this},e.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},e.prototype.hasListeners=function(t){return!!this.listeners(t).length}}(kt);var wt=dt,Ot=kt.exports,Et=pt.protocol=5,Ct=bt=pt.PacketType={CONNECT:0,DISCONNECT:1,EVENT:2,ACK:3,CONNECT_ERROR:4},Rt=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},Tt=function(t){return"string"==typeof t},St=function(t){return"[object Object]"===Object.prototype.toString.call(t)};function At(){}function Lt(){}At.prototype.encode=function(t){return[wt.encode(t)]},Ot(Lt.prototype),Lt.prototype.add=function(t){var e=wt.decode(t);this.checkPacket(e),this.emit("decoded",e)},Lt.prototype.checkPacket=function(t){if(!(Rt(t.type)&&t.type>=Ct.CONNECT&&t.type<=Ct.CONNECT_ERROR))throw new Error("invalid packet type");if(!Tt(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Ct.CONNECT:return void 0===t.data||St(t.data);case Ct.DISCONNECT:return void 0===t.data;case Ct.CONNECT_ERROR:return Tt(t.data)||St(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||Rt(t.id)))throw new Error("invalid packet id")},Lt.prototype.destroy=function(){};var xt=pt.Encoder=At,Bt=pt.Decoder=Lt,Ut=Object.freeze(t({__proto__:null,default:pt,protocol:Et,get PacketType(){return bt},Encoder:xt,Decoder:Bt},[pt]));function jt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Pt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Nt=function(t){o(r,t);var e=d(r);function r(t,i,s){var o;return n(this,r),(o=e.call(this)).connected=!1,o.receiveBuffer=[],o.sendBuffer=[],o.ids=0,o.acks={},o.flags={},o.io=t,o.nsp=i,s&&s.auth&&(o.auth=s.auth),o.io._autoConnect&&o.open(),o}return i(r,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[jt(t,"open",this.onopen.bind(this)),jt(t,"packet",this.onpacket.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(Pt.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];n.unshift(t);var i={type:bt.EVENT,data:n,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var s=this.ids++,o=n.pop();this._registerAckCallback(s,o),i.id=s}var a=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,c=this.flags.volatile&&(!a||!this.connected);return c||(this.connected?(this.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var i=this.io.setTimeoutFn((function(){delete n.acks[t];for(var r=0;r<n.sendBuffer.length;r++)n.sendBuffer[r].id===t&&n.sendBuffer.splice(r,1);e.call(n,new Error("operation has timed out"))}),r);this.acks[t]=function(){n.io.clearTimeoutFn(i);for(var t=arguments.length,r=new Array(t),s=0;s<t;s++)r[s]=arguments[s];e.apply(n,[null].concat(r))}}else this.acks[t]=e}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t.packet({type:bt.CONNECT,data:e})})):this.packet({type:bt.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case bt.CONNECT:if(t.data&&t.data.sid){var 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 bt.EVENT:case bt.BINARY_EVENT:this.onevent(t);break;case bt.ACK:case bt.BINARY_ACK:this.onack(t);break;case bt.DISCONNECT:this.ondisconnect();break;case bt.CONNECT_ERROR:this.destroy();var n=new Error(t.data.message);n.data=t.data.data,this.emitReserved("connect_error",n)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=g(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}y(a(r.prototype),"emit",this).apply(this,t)}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),s=0;s<r;s++)i[s]=arguments[s];e.packet({type:bt.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t){this.id=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:bt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=g(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),r}(U);function qt(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}qt.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},qt.prototype.reset=function(){this.attempts=0},qt.prototype.setMin=function(t){this.ms=t},qt.prototype.setMax=function(t){this.max=t},qt.prototype.setJitter=function(t){this.jitter=t};var Mt=function(t){o(s,t);var r=d(s);function s(t,i){var o,a;n(this,s),(o=r.call(this)).nsps={},o.subs=[],t&&"object"===e(t)&&(i=t,t=void 0),(i=i||{}).path=i.path||"/socket.io",o.opts=i,M(l(o),i),o.reconnection(!1!==i.reconnection),o.reconnectionAttempts(i.reconnectionAttempts||1/0),o.reconnectionDelay(i.reconnectionDelay||1e3),o.reconnectionDelayMax(i.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=i.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new qt({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==i.timeout?2e4:i.timeout),o._readyState="closed",o.uri=t;var c=i.parser||Ut;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==i.autoConnect,o._autoConnect&&o.open(),o}return i(s,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new lt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=jt(n,"open",(function(){r.onopen(),t&&t()})),s=jt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var o=this._timeout;0===o&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),o);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(s),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(jt(t,"ping",this.onping.bind(this)),jt(t,"data",this.ondata.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this)),jt(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){this.decoder.add(t)}},{key:"ondecoded",value:function(t){this.emitReserved("packet",t)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new Nt(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(U),Dt={};function It(t,n){"object"===e(t)&&(n=t,t=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=ft(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(t,(n=n||{}).path||"/socket.io"),s=i.source,o=i.id,a=i.path,c=Dt[o]&&a in Dt[o].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new Mt(s,n):(Dt[o]||(Dt[o]=new Mt(s,n)),r=Dt[o]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return s(It,{Manager:Mt,Socket:Nt,io:It,connect:It}),It}));
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