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socket.io-client

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socket.io-client - npm Package Compare versions

Comparing version 4.3.2 to 4.4.0

10

build/cjs/manager.js

@@ -308,9 +308,3 @@ "use strict";

this._reconnecting = false;
if ("opening" === this._readyState) {
// `onclose` will not fire because
// an open event never happened
this.cleanup();
}
this.backoff.reset();
this._readyState = "closed";
this.onclose("forced close");
if (this.engine)

@@ -333,3 +327,3 @@ this.engine.close();

onclose(reason) {
debug("onclose");
debug("closed due to %s", reason);
this.cleanup();

@@ -336,0 +330,0 @@ this.backoff.reset();

2

build/cjs/package.json
{
"name": "socket.io-client",
"version": "4.4.0",
"type": "commonjs"
}

55

build/cjs/socket.js

@@ -122,5 +122,7 @@ "use strict";

if ("function" === typeof args[args.length - 1]) {
debug("emitting packet with ack id %d", this.ids);
this.acks[this.ids] = args.pop();
packet.id = this.ids++;
const id = this.ids++;
debug("emitting packet with ack id %d", id);
const ack = args.pop();
this._registerAckCallback(id, ack);
packet.id = id;
}

@@ -144,2 +146,29 @@ const isTransportWritable = this.io.engine &&

/**
* @private
*/
_registerAckCallback(id, ack) {
const timeout = this.flags.timeout;
if (timeout === undefined) {
this.acks[id] = ack;
return;
}
// @ts-ignore
const timer = this.io.setTimeoutFn(() => {
delete this.acks[id];
for (let i = 0; i < this.sendBuffer.length; i++) {
if (this.sendBuffer[i].id === id) {
debug("removing packet with ack id %d from the buffer", id);
this.sendBuffer.splice(i, 1);
}
}
debug("event with ack id %d has timed out after %d ms", id, timeout);
ack.call(this, new Error("operation has timed out"));
}, timeout);
this.acks[id] = (...args) => {
// @ts-ignore
this.io.clearTimeoutFn(timer);
ack.apply(this, [null, ...args]);
};
}
/**
* Sends a packet.

@@ -230,2 +259,3 @@ *

case socket_io_parser_1.PacketType.CONNECT_ERROR:
this.destroy();
const err = new Error(packet.data.message);

@@ -405,2 +435,21 @@ // @ts-ignore

/**
* Sets a modifier for a subsequent event emission that the callback will be called with an error when the
* given number of milliseconds have elapsed without an acknowledgement from the server:
*
* ```
* socket.timeout(5000).emit("my-event", (err) => {
* if (err) {
* // the server did not acknowledge the event in the given delay
* }
* });
* ```
*
* @returns self
* @public
*/
timeout(timeout) {
this.flags.timeout = timeout;
return this;
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the

@@ -407,0 +456,0 @@ * callback.

10

build/esm-debug/manager.js

@@ -283,9 +283,3 @@ import { Socket as Engine, installTimerFunctions, } from "engine.io-client";

this._reconnecting = false;
if ("opening" === this._readyState) {
// `onclose` will not fire because
// an open event never happened
this.cleanup();
}
this.backoff.reset();
this._readyState = "closed";
this.onclose("forced close");
if (this.engine)

@@ -308,3 +302,3 @@ this.engine.close();

onclose(reason) {
debug("onclose");
debug("closed due to %s", reason);
this.cleanup();

@@ -311,0 +305,0 @@ this.backoff.reset();

2

build/esm-debug/package.json
{
"name": "socket.io-client",
"version": "4.4.0",
"type": "module"
}

20

build/esm-debug/socket.d.ts

@@ -75,2 +75,6 @@ import { Packet } from "socket.io-parser";

/**
* @private
*/
private _registerAckCallback;
/**
* Sends a packet.

@@ -187,2 +191,18 @@ *

/**
* Sets a modifier for a subsequent event emission that the callback will be called with an error when the
* given number of milliseconds have elapsed without an acknowledgement from the server:
*
* ```
* socket.timeout(5000).emit("my-event", (err) => {
* if (err) {
* // the server did not acknowledge the event in the given delay
* }
* });
* ```
*
* @returns self
* @public
*/
timeout(timeout: number): this;
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the

@@ -189,0 +209,0 @@ * callback.

55

build/esm-debug/socket.js

@@ -116,5 +116,7 @@ import { PacketType } from "socket.io-parser";

if ("function" === typeof args[args.length - 1]) {
debug("emitting packet with ack id %d", this.ids);
this.acks[this.ids] = args.pop();
packet.id = this.ids++;
const id = this.ids++;
debug("emitting packet with ack id %d", id);
const ack = args.pop();
this._registerAckCallback(id, ack);
packet.id = id;
}

@@ -138,2 +140,29 @@ const isTransportWritable = this.io.engine &&

/**
* @private
*/
_registerAckCallback(id, ack) {
const timeout = this.flags.timeout;
if (timeout === undefined) {
this.acks[id] = ack;
return;
}
// @ts-ignore
const timer = this.io.setTimeoutFn(() => {
delete this.acks[id];
for (let i = 0; i < this.sendBuffer.length; i++) {
if (this.sendBuffer[i].id === id) {
debug("removing packet with ack id %d from the buffer", id);
this.sendBuffer.splice(i, 1);
}
}
debug("event with ack id %d has timed out after %d ms", id, timeout);
ack.call(this, new Error("operation has timed out"));
}, timeout);
this.acks[id] = (...args) => {
// @ts-ignore
this.io.clearTimeoutFn(timer);
ack.apply(this, [null, ...args]);
};
}
/**
* Sends a packet.

@@ -224,2 +253,3 @@ *

case PacketType.CONNECT_ERROR:
this.destroy();
const err = new Error(packet.data.message);

@@ -399,2 +429,21 @@ // @ts-ignore

/**
* Sets a modifier for a subsequent event emission that the callback will be called with an error when the
* given number of milliseconds have elapsed without an acknowledgement from the server:
*
* ```
* socket.timeout(5000).emit("my-event", (err) => {
* if (err) {
* // the server did not acknowledge the event in the given delay
* }
* });
* ```
*
* @returns self
* @public
*/
timeout(timeout) {
this.flags.timeout = timeout;
return this;
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the

@@ -401,0 +450,0 @@ * callback.

8

build/esm/manager.js

@@ -270,9 +270,3 @@ import { Socket as Engine, installTimerFunctions, } from "engine.io-client";

this._reconnecting = false;
if ("opening" === this._readyState) {
// `onclose` will not fire because
// an open event never happened
this.cleanup();
}
this.backoff.reset();
this._readyState = "closed";
this.onclose("forced close");
if (this.engine)

@@ -279,0 +273,0 @@ this.engine.close();

2

build/esm/package.json
{
"name": "socket.io-client",
"version": "4.4.0",
"type": "module"
}

20

build/esm/socket.d.ts

@@ -75,2 +75,6 @@ import { Packet } from "socket.io-parser";

/**
* @private
*/
private _registerAckCallback;
/**
* Sends a packet.

@@ -187,2 +191,18 @@ *

/**
* Sets a modifier for a subsequent event emission that the callback will be called with an error when the
* given number of milliseconds have elapsed without an acknowledgement from the server:
*
* ```
* socket.timeout(5000).emit("my-event", (err) => {
* if (err) {
* // the server did not acknowledge the event in the given delay
* }
* });
* ```
*
* @returns self
* @public
*/
timeout(timeout: number): this;
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the

@@ -189,0 +209,0 @@ * callback.

51

build/esm/socket.js

@@ -114,4 +114,6 @@ import { PacketType } from "socket.io-parser";

if ("function" === typeof args[args.length - 1]) {
this.acks[this.ids] = args.pop();
packet.id = this.ids++;
const id = this.ids++;
const ack = args.pop();
this._registerAckCallback(id, ack);
packet.id = id;
}

@@ -134,2 +136,27 @@ const isTransportWritable = this.io.engine &&

/**
* @private
*/
_registerAckCallback(id, ack) {
const timeout = this.flags.timeout;
if (timeout === undefined) {
this.acks[id] = ack;
return;
}
// @ts-ignore
const timer = this.io.setTimeoutFn(() => {
delete this.acks[id];
for (let i = 0; i < this.sendBuffer.length; i++) {
if (this.sendBuffer[i].id === id) {
this.sendBuffer.splice(i, 1);
}
}
ack.call(this, new Error("operation has timed out"));
}, timeout);
this.acks[id] = (...args) => {
// @ts-ignore
this.io.clearTimeoutFn(timer);
ack.apply(this, [null, ...args]);
};
}
/**
* Sends a packet.

@@ -218,2 +245,3 @@ *

case PacketType.CONNECT_ERROR:
this.destroy();
const err = new Error(packet.data.message);

@@ -385,2 +413,21 @@ // @ts-ignore

/**
* Sets a modifier for a subsequent event emission that the callback will be called with an error when the
* given number of milliseconds have elapsed without an acknowledgement from the server:
*
* ```
* socket.timeout(5000).emit("my-event", (err) => {
* if (err) {
* // the server did not acknowledge the event in the given delay
* }
* });
* ```
*
* @returns self
* @public
*/
timeout(timeout) {
this.flags.timeout = timeout;
return this;
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the

@@ -387,0 +434,0 @@ * callback.

16

CHANGELOG.md

@@ -0,1 +1,17 @@

# [4.4.0](https://github.com/socketio/socket.io-client/compare/4.3.2...4.4.0) (2021-11-18)
### Bug Fixes
* add package name in nested package.json ([53d8fca](https://github.com/socketio/socket.io-client/commit/53d8fcafabbfddb5834012c9c98743bfe6e13347)), closes [socketio/socket.io-client#1513](https://github.com/socketio/socket.io-client/issues/1513)
* fix `socket.disconnect().connect()` usage ([99c2cb8](https://github.com/socketio/socket.io-client/commit/99c2cb8421361487ed7c876edd8670bb69a5c5b5))
* prevent socket from reconnecting after middleware failure ([d54d12c](https://github.com/socketio/socket.io-client/commit/d54d12ce634193d14b71894496ed57d35d922378))
### Features
* add timeout feature ([ccf7998](https://github.com/socketio/socket.io-client/commit/ccf7998cc5049d02022567aedfb263de875a06a5))
## [4.3.2](https://github.com/socketio/socket.io-client/compare/4.3.1...4.3.2) (2021-10-16)

@@ -2,0 +18,0 @@

4

dist/socket.io.esm.min.js
/*!
* Socket.IO v4.3.2
* Socket.IO v4.4.0
* (c) 2014-2021 Guillermo Rauch
* Released under the MIT License.
*/
var t=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,e=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],s=function(s){var n=s,r=s.indexOf("["),i=s.indexOf("]");-1!=r&&-1!=i&&(s=s.substring(0,r)+s.substring(r,i).replace(/:/g,";")+s.substring(i,s.length));for(var o,a,h=t.exec(s||""),c={},p=14;p--;)c[e[p]]=h[p]||"";return-1!=r&&-1!=i&&(c.source=n,c.host=c.host.substring(1,c.host.length-1).replace(/;/g,":"),c.authority=c.authority.replace("[","").replace("]","").replace(/;/g,":"),c.ipv6uri=!0),c.pathNames=function(t,e){var s=/\/{2,9}/g,n=e.replace(s,"/").split("/");"/"!=e.substr(0,1)&&0!==e.length||n.splice(0,1);"/"==e.substr(e.length-1,1)&&n.splice(n.length-1,1);return n}(0,c.path),c.queryKey=(o=c.query,a={},o.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,s){e&&(a[e]=s)})),a),c};var n={exports:{}};try{n.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(t){n.exports=!1}var r=n.exports,i="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function o(t){const e=t.xdomain;try{if("undefined"!=typeof XMLHttpRequest&&(!e||r))return new XMLHttpRequest}catch(t){}if(!e)try{return new(i[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}function a(t,...e){return e.reduce(((e,s)=>(t.hasOwnProperty(s)&&(e[s]=t[s]),e)),{})}const h=setTimeout,c=clearTimeout;function p(t,e){e.useNativeTimers?(t.setTimeoutFn=h.bind(i),t.clearTimeoutFn=c.bind(i)):(t.setTimeoutFn=setTimeout.bind(i),t.clearTimeoutFn=clearTimeout.bind(i))}var u=d;function d(t){if(t)return function(t){for(var e in d.prototype)t[e]=d.prototype[e];return t}(t)}d.prototype.on=d.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},d.prototype.once=function(t,e){function s(){this.off(t,s),e.apply(this,arguments)}return s.fn=e,this.on(t,s),this},d.prototype.off=d.prototype.removeListener=d.prototype.removeAllListeners=d.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var s,n=this._callbacks["$"+t];if(!n)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var r=0;r<n.length;r++)if((s=n[r])===e||s.fn===e){n.splice(r,1);break}return 0===n.length&&delete this._callbacks["$"+t],this},d.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),s=this._callbacks["$"+t],n=1;n<arguments.length;n++)e[n-1]=arguments[n];if(s){n=0;for(var r=(s=s.slice(0)).length;n<r;++n)s[n].apply(this,e)}return this},d.prototype.emitReserved=d.prototype.emit,d.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},d.prototype.hasListeners=function(t){return!!this.listeners(t).length};const l=Object.create(null);l.open="0",l.close="1",l.ping="2",l.pong="3",l.message="4",l.upgrade="5",l.noop="6";const f=Object.create(null);Object.keys(l).forEach((t=>{f[l[t]]=t}));const y={type:"error",data:"parser error"},m="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),g="function"==typeof ArrayBuffer,b=({type:t,data:e},s,n)=>{return m&&e instanceof Blob?s?n(e):v(e,n):g&&(e instanceof ArrayBuffer||(r=e,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(r):r&&r.buffer instanceof ArrayBuffer))?s?n(e):v(new Blob([e]),n):n(l[t]+(e||""));var r},v=(t,e)=>{const s=new FileReader;return s.onload=function(){const t=s.result.split(",")[1];e("b"+t)},s.readAsDataURL(t)};for(var 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e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(n.length?"?"+n:"")}}function F(){}const M=null!=new o({xdomain:!1}).responseType;class U extends u{constructor(t,e){super(),p(this,e),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=a(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");t.xdomain=!!this.opts.xd,t.xscheme=!!this.opts.xs;const e=this.xhr=new o(t);try{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 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attachEvent)attachEvent("onunload",V);else if("function"==typeof addEventListener){addEventListener("onpagehide"in i?"pagehide":"unload",V,!1)}function V(){for(let t in U.requests)U.requests.hasOwnProperty(t)&&U.requests[t].abort()}const H="function"==typeof Promise&&"function"==typeof Promise.resolve?t=>Promise.resolve().then(t):(t,e)=>e(t,0),K=i.WebSocket||i.MozWebSocket,Y="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase();class z extends N{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,s=Y?{}:a(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=Y?new K(t,e,s):e?new K(t,e):new K(t)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",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){this.writable=!1;for(let e=0;e<t.length;e++){const s=t[e],n=e===t.length-1;b(s,this.supportsBinary,(t=>{try{this.ws.send(t)}catch(t){}n&&H((()=>{this.writable=!0,this.emit("drain")}),this.setTimeoutFn)}))}}doClose(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}uri(){let t=this.query||{};const e=this.opts.secure?"wss":"ws";let s="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(s=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=j()),this.supportsBinary||(t.b64=1);const n=D.encode(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(n.length?"?"+n:"")}check(){return!(!K||"__initialize"in K&&this.name===z.prototype.name)}}const W={websocket:z,polling:class extends I{constructor(t){if(super(t),"undefined"!=typeof location){const e="https:"===location.protocol;let s=location.port;s||(s=e?"443":"80"),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port,this.xs=t.secure!==e}const e=t&&t.forceBase64;this.supportsBinary=M&&!e}request(t={}){return Object.assign(t,{xd:this.xd,xs:this.xs},this.opts),new U(this.uri(),t)}doWrite(t,e){const s=this.request({method:"POST",data:t});s.on("success",e),s.on("error",(t=>{this.onError("xhr post error",t)}))}doPoll(){const t=this.request();t.on("data",this.onData.bind(this)),t.on("error",(t=>{this.onError("xhr poll error",t)})),this.pollXhr=t}}};class $ extends u{constructor(t,e={}){super(),t&&"object"==typeof t&&(e=t,t=null),t?(t=s(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=s(e.host).host),p(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 location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},e),this.opts.path=this.opts.path.replace(/\/$/,"")+"/","string"==typeof this.opts.query&&(this.opts.query=D.decode(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,"function"==typeof addEventListener&&(this.opts.closeOnBeforeunload&&addEventListener("beforeunload",(()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())}),!1),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close")},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=function(t){const e={};for(let s in t)t.hasOwnProperty(s)&&(e[s]=t[s]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new W[t](s)}open(){let t;if(this.opts.rememberUpgrade&&$.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.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)}setTransport(t){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",(()=>{this.onClose("transport close")}))}probe(t){let e=this.createTransport(t),s=!1;$.priorWebsocketSuccess=!1;const n=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;$.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function r(){s||(s=!0,c(),e.close(),e=null)}const i=t=>{const s=new Error("probe error: "+t);s.transport=e.name,r(),this.emitReserved("upgradeError",s)};function o(){i("transport closed")}function a(){i("socket closed")}function h(t){e&&t.name!==e.name&&r()}const c=()=>{e.removeListener("open",n),e.removeListener("error",i),e.removeListener("close",o),this.off("close",a),this.off("upgrading",h)};e.once("open",n),e.once("error",i),e.once("close",o),this.once("close",a),this.once("upgrading",h),e.open()}onOpen(){if(this.readyState="open",$.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause){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(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":const 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)}}onHandshake(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.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.emitReserved("drain"):this.flush()}flush(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof s&&(n=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const r={type:t,data:e,options:s};this.emitReserved("packetCreate",r),this.writeBuffer.push(r),n&&this.once("flush",n),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){$.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(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)}filterUpgrades(t){const e=[];let s=0;const n=t.length;for(;s<n;s++)~this.transports.indexOf(t[s])&&e.push(t[s]);return e}}$.protocol=4,$.protocol;const J="function"==typeof ArrayBuffer,X=Object.prototype.toString,G="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===X.call(Blob),Q="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===X.call(File);function Z(t){return J&&(t instanceof ArrayBuffer||(t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer)(t))||G&&t instanceof Blob||Q&&t instanceof File}function tt(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e<s;e++)if(tt(t[e]))return!0;return!1}if(Z(t))return!0;if(t.toJSON&&"function"==typeof t.toJSON&&1===arguments.length)return tt(t.toJSON(),!0);for(const e in t)if(Object.prototype.hasOwnProperty.call(t,e)&&tt(t[e]))return!0;return!1}function et(t){const e=[],s=t.data,n=t;return n.data=st(s,e),n.attachments=e.length,{packet:n,buffers:e}}function st(t,e){if(!t)return t;if(Z(t)){const s={_placeholder:!0,num:e.length};return e.push(t),s}if(Array.isArray(t)){const s=new Array(t.length);for(let n=0;n<t.length;n++)s[n]=st(t[n],e);return s}if("object"==typeof t&&!(t instanceof Date)){const s={};for(const n in t)t.hasOwnProperty(n)&&(s[n]=st(t[n],e));return s}return t}function nt(t,e){return t.data=rt(t.data,e),t.attachments=void 0,t}function rt(t,e){if(!t)return t;if(t&&t._placeholder)return e[t.num];if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]=rt(t[s],e);else if("object"==typeof t)for(const s in t)t.hasOwnProperty(s)&&(t[s]=rt(t[s],e));return t}const it=5;var ot;!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"}(ot||(ot={}));class at extends u{constructor(){super()}add(t){let e;if("string"==typeof t)e=this.decodeString(t),e.type===ot.BINARY_EVENT||e.type===ot.BINARY_ACK?(this.reconstructor=new ht(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e);else{if(!Z(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emitReserved("decoded",e))}}decodeString(t){let e=0;const s={type:Number(t.charAt(0))};if(void 0===ot[s.type])throw new Error("unknown packet type "+s.type);if(s.type===ot.BINARY_EVENT||s.type===ot.BINARY_ACK){const n=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const r=t.substring(n,e);if(r!=Number(r)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(r)}if("/"===t.charAt(e+1)){const n=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}s.nsp=t.substring(n,e)}else s.nsp="/";const n=t.charAt(e+1);if(""!==n&&Number(n)==n){const n=e+1;for(;++e;){const s=t.charAt(e);if(null==s||Number(s)!=s){--e;break}if(e===t.length)break}s.id=Number(t.substring(n,e+1))}if(t.charAt(++e)){const n=function(t){try{return JSON.parse(t)}catch(t){return!1}}(t.substr(e));if(!at.isPayloadValid(s.type,n))throw new Error("invalid payload");s.data=n}return s}static isPayloadValid(t,e){switch(t){case ot.CONNECT:return"object"==typeof e;case ot.DISCONNECT:return void 0===e;case ot.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case ot.EVENT:case ot.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case ot.ACK:case ot.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}class ht{constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=nt(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var ct=Object.freeze({__proto__:null,protocol:5,get PacketType(){return ot},Encoder:class{encode(t){return t.type!==ot.EVENT&&t.type!==ot.ACK||!tt(t)?[this.encodeAsString(t)]:(t.type=t.type===ot.EVENT?ot.BINARY_EVENT:ot.BINARY_ACK,this.encodeAsBinary(t))}encodeAsString(t){let e=""+t.type;return t.type!==ot.BINARY_EVENT&&t.type!==ot.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)),e}encodeAsBinary(t){const e=et(t),s=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(s),n}},Decoder:at});function pt(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ut=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class dt extends u{constructor(t,e,s){super(),this.connected=!1,this.disconnected=!0,this.receiveBuffer=[],this.sendBuffer=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this.io._autoConnect&&this.open()}subEvents(){if(this.subs)return;const t=this.io;this.subs=[pt(t,"open",this.onopen.bind(this)),pt(t,"packet",this.onpacket.bind(this)),pt(t,"error",this.onerror.bind(this)),pt(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(ut.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');e.unshift(t);const s={type:ot.EVENT,data:e,options:{}};s.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]&&(this.acks[this.ids]=e.pop(),s.id=this.ids++);const n=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!n||!this.connected)||(this.connected?this.packet(s):this.sendBuffer.push(s)),this.flags={},this}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this.packet({type:ot.CONNECT,data:t})})):this.packet({type:ot.CONNECT,data:this.auth})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(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 ot.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 ot.EVENT:case ot.BINARY_EVENT:this.onevent(t);break;case ot.ACK:case ot.BINARY_ACK:this.onack(t);break;case ot.DISCONNECT:this.ondisconnect();break;case ot.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||[];null!=t.id&&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 s of e)s.apply(this,t)}super.emit.apply(this,t)}ack(t){const e=this;let s=!1;return function(...n){s||(s=!0,e.packet({type:ot.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(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(){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&&this.packet({type:ot.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 s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}}var lt=ft;function ft(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}ft.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},ft.prototype.reset=function(){this.attempts=0},ft.prototype.setMin=function(t){this.ms=t},ft.prototype.setMax=function(t){this.max=t},ft.prototype.setJitter=function(t){this.jitter=t};class yt extends u{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,p(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new lt({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const n=e.parser||ct;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new $(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=pt(e,"open",(function(){s.onopen(),t&&t()})),r=pt(e,"error",(e=>{s.cleanup(),s._readyState="closed",this.emitReserved("error",e),t?t(e):s.maybeReconnectOnOpen()}));if(!1!==this._timeout){const t=this._timeout;0===t&&n();const s=this.setTimeoutFn((()=>{n(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}return this.subs.push(n),this.subs.push(r),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(pt(t,"ping",this.onping.bind(this)),pt(t,"data",this.ondata.bind(this)),pt(t,"error",this.onerror.bind(this)),pt(t,"close",this.onclose.bind(this)),pt(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){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s||(s=new dt(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;s<e.length;s++)this.engine.write(e[s],t.options)}cleanup(){this.subs.forEach((t=>t())),this.subs.length=0,this.decoder.destroy()}_close(){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){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)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const mt={};function gt(t,e){"object"==typeof t&&(e=t,t=void 0);const n=function(t,e="",n){let 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=s(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";const i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(t,(e=e||{}).path||"/socket.io"),r=n.source,i=n.id,o=n.path,a=mt[i]&&o in mt[i].nsps;let h;return e.forceNew||e["force new connection"]||!1===e.multiplex||a?h=new yt(r,e):(mt[i]||(mt[i]=new yt(r,e)),h=mt[i]),n.query&&!e.query&&(e.query=n.queryKey),h.socket(n.path,e)}Object.assign(gt,{Manager:yt,Socket:dt,io:gt,connect:gt});export{yt as Manager,dt as Socket,gt as connect,gt as default,gt as io,it as protocol};
var t=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,e=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],s=function(s){var n=s,r=s.indexOf("["),i=s.indexOf("]");-1!=r&&-1!=i&&(s=s.substring(0,r)+s.substring(r,i).replace(/:/g,";")+s.substring(i,s.length));for(var o,a,h=t.exec(s||""),c={},p=14;p--;)c[e[p]]=h[p]||"";return-1!=r&&-1!=i&&(c.source=n,c.host=c.host.substring(1,c.host.length-1).replace(/;/g,":"),c.authority=c.authority.replace("[","").replace("]","").replace(/;/g,":"),c.ipv6uri=!0),c.pathNames=function(t,e){var s=/\/{2,9}/g,n=e.replace(s,"/").split("/");"/"!=e.substr(0,1)&&0!==e.length||n.splice(0,1);"/"==e.substr(e.length-1,1)&&n.splice(n.length-1,1);return n}(0,c.path),c.queryKey=(o=c.query,a={},o.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,s){e&&(a[e]=s)})),a),c};var n={exports:{}};try{n.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(t){n.exports=!1}var r=n.exports,i="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function o(t){const e=t.xdomain;try{if("undefined"!=typeof XMLHttpRequest&&(!e||r))return new XMLHttpRequest}catch(t){}if(!e)try{return new(i[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}function a(t,...e){return e.reduce(((e,s)=>(t.hasOwnProperty(s)&&(e[s]=t[s]),e)),{})}const h=setTimeout,c=clearTimeout;function p(t,e){e.useNativeTimers?(t.setTimeoutFn=h.bind(i),t.clearTimeoutFn=c.bind(i)):(t.setTimeoutFn=setTimeout.bind(i),t.clearTimeoutFn=clearTimeout.bind(i))}var u=l;function l(t){if(t)return function(t){for(var e in l.prototype)t[e]=l.prototype[e];return t}(t)}l.prototype.on=l.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},l.prototype.once=function(t,e){function s(){this.off(t,s),e.apply(this,arguments)}return s.fn=e,this.on(t,s),this},l.prototype.off=l.prototype.removeListener=l.prototype.removeAllListeners=l.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var s,n=this._callbacks["$"+t];if(!n)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var r=0;r<n.length;r++)if((s=n[r])===e||s.fn===e){n.splice(r,1);break}return 0===n.length&&delete this._callbacks["$"+t],this},l.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),s=this._callbacks["$"+t],n=1;n<arguments.length;n++)e[n-1]=arguments[n];if(s){n=0;for(var r=(s=s.slice(0)).length;n<r;++n)s[n].apply(this,e)}return this},l.prototype.emitReserved=l.prototype.emit,l.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},l.prototype.hasListeners=function(t){return!!this.listeners(t).length};const d=Object.create(null);d.open="0",d.close="1",d.ping="2",d.pong="3",d.message="4",d.upgrade="5",d.noop="6";const f=Object.create(null);Object.keys(d).forEach((t=>{f[d[t]]=t}));const y={type:"error",data:"parser error"},m="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),g="function"==typeof ArrayBuffer,b=({type:t,data:e},s,n)=>{return m&&e instanceof Blob?s?n(e):v(e,n):g&&(e instanceof ArrayBuffer||(r=e,"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(r):r&&r.buffer instanceof ArrayBuffer))?s?n(e):v(new Blob([e]),n):n(d[t]+(e||""));var r},v=(t,e)=>{const s=new FileReader;return s.onload=function(){const t=s.result.split(",")[1];e("b"+t)},s.readAsDataURL(t)};for(var k="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",w="undefined"==typeof Uint8Array?[]:new Uint8Array(256),E=0;E<k.length;E++)w[k.charCodeAt(E)]=E;const _="function"==typeof ArrayBuffer,A=(t,e)=>{if("string"!=typeof t)return{type:"message",data:R(t,e)};const s=t.charAt(0);if("b"===s)return{type:"message",data:C(t.substring(1),e)};return f[s]?t.length>1?{type:f[s],data:t.substring(1)}:{type:f[s]}:y},C=(t,e)=>{if(_){const s=function(t){var e,s,n,r,i,o=.75*t.length,a=t.length,h=0;"="===t[t.length-1]&&(o--,"="===t[t.length-2]&&o--);var c=new ArrayBuffer(o),p=new Uint8Array(c);for(e=0;e<a;e+=4)s=w[t.charCodeAt(e)],n=w[t.charCodeAt(e+1)],r=w[t.charCodeAt(e+2)],i=w[t.charCodeAt(e+3)],p[h++]=s<<2|n>>4,p[h++]=(15&n)<<4|r>>2,p[h++]=(3&r)<<6|63&i;return c}(t);return R(s,e)}return{base64:!0,data:t}},R=(t,e)=>"blob"===e&&t instanceof ArrayBuffer?new Blob([t]):t,T=String.fromCharCode(30);class B extends u{constructor(t){super(),this.writable=!1,p(this,t),this.opts=t,this.query=t.query,this.readyState="",this.socket=t.socket}onError(t,e){const s=new Error(t);return s.type="TransportError",s.description=e,super.emit("error",s),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)}onOpen(){this.readyState="open",this.writable=!0,super.emit("open")}onData(t){const e=A(t,this.socket.binaryType);this.onPacket(e)}onPacket(t){super.emit("packet",t)}onClose(){this.readyState="closed",super.emit("close")}}var N,O="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),x={},S=0,L=0;function q(t){var e="";do{e=O[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function P(){var t=q(+new Date);return t!==N?(S=0,N=t):t+"."+q(S++)}for(;L<64;L++)x[O[L]]=L;P.encode=q,P.decode=function(t){var e=0;for(L=0;L<t.length;L++)e=64*e+x[t.charAt(L)];return e};var j=P,D={encode:function(t){var e="";for(var s in t)t.hasOwnProperty(s)&&(e.length&&(e+="&"),e+=encodeURIComponent(s)+"="+encodeURIComponent(t[s]));return e},decode:function(t){for(var e={},s=t.split("&"),n=0,r=s.length;n<r;n++){var i=s[n].split("=");e[decodeURIComponent(i[0])]=decodeURIComponent(i[1])}return e}};class I extends B{constructor(){super(...arguments),this.polling=!1}get name(){return"polling"}doOpen(){this.poll()}pause(t){this.readyState="pausing";const e=()=>{this.readyState="paused",t()};if(this.polling||!this.writable){let t=0;this.polling&&(t++,this.once("pollComplete",(function(){--t||e()}))),this.writable||(t++,this.once("drain",(function(){--t||e()})))}else e()}poll(){this.polling=!0,this.doPoll(),this.emit("poll")}onData(t){((t,e)=>{const s=t.split(T),n=[];for(let t=0;t<s.length;t++){const r=A(s[t],e);if(n.push(r),"error"===r.type)break}return n})(t,this.socket.binaryType).forEach((t=>{if("opening"===this.readyState&&"open"===t.type&&this.onOpen(),"close"===t.type)return this.onClose(),!1;this.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState&&this.poll())}doClose(){const t=()=>{this.write([{type:"close"}])};"open"===this.readyState?t():this.once("open",t)}write(t){this.writable=!1,((t,e)=>{const s=t.length,n=new Array(s);let r=0;t.forEach(((t,i)=>{b(t,!1,(t=>{n[i]=t,++r===s&&e(n.join(T))}))}))})(t,(t=>{this.doWrite(t,(()=>{this.writable=!0,this.emit("drain")}))}))}uri(){let t=this.query||{};const e=this.opts.secure?"https":"http";let s="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=j()),this.supportsBinary||t.sid||(t.b64=1),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(s=":"+this.opts.port);const n=D.encode(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(n.length?"?"+n:"")}}function F(){}const M=null!=new o({xdomain:!1}).responseType;class U extends u{constructor(t,e){super(),p(this,e),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=a(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");t.xdomain=!!this.opts.xd,t.xscheme=!!this.opts.xs;const e=this.xhr=new o(t);try{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),e.onreadystatechange=()=>{4===e.readyState&&(200===e.status||1223===e.status?this.onLoad():this.setTimeoutFn((()=>{this.onError("number"==typeof e.status?e.status:0)}),0))},e.send(this.data)}catch(t){return void this.setTimeoutFn((()=>{this.onError(t)}),0)}"undefined"!=typeof document&&(this.index=U.requestsCount++,U.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.xhr.onreadystatechange=F,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete U.requests[this.index],this.xhr=null}}onLoad(){const t=this.xhr.responseText;null!==t&&this.onData(t)}abort(){this.cleanup()}}if(U.requestsCount=0,U.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",V);else if("function"==typeof addEventListener){addEventListener("onpagehide"in i?"pagehide":"unload",V,!1)}function V(){for(let t in U.requests)U.requests.hasOwnProperty(t)&&U.requests[t].abort()}const H="function"==typeof Promise&&"function"==typeof Promise.resolve?t=>Promise.resolve().then(t):(t,e)=>e(t,0),K=i.WebSocket||i.MozWebSocket,Y="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase();class z extends B{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,s=Y?{}:a(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=Y?new K(t,e,s):e?new K(t,e):new K(t)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",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){this.writable=!1;for(let e=0;e<t.length;e++){const s=t[e],n=e===t.length-1;b(s,this.supportsBinary,(t=>{try{this.ws.send(t)}catch(t){}n&&H((()=>{this.writable=!0,this.emit("drain")}),this.setTimeoutFn)}))}}doClose(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}uri(){let t=this.query||{};const e=this.opts.secure?"wss":"ws";let s="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(s=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=j()),this.supportsBinary||(t.b64=1);const n=D.encode(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+s+this.opts.path+(n.length?"?"+n:"")}check(){return!(!K||"__initialize"in K&&this.name===z.prototype.name)}}const W={websocket:z,polling:class extends I{constructor(t){if(super(t),"undefined"!=typeof location){const e="https:"===location.protocol;let s=location.port;s||(s=e?"443":"80"),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port,this.xs=t.secure!==e}const e=t&&t.forceBase64;this.supportsBinary=M&&!e}request(t={}){return Object.assign(t,{xd:this.xd,xs:this.xs},this.opts),new U(this.uri(),t)}doWrite(t,e){const s=this.request({method:"POST",data:t});s.on("success",e),s.on("error",(t=>{this.onError("xhr post error",t)}))}doPoll(){const t=this.request();t.on("data",this.onData.bind(this)),t.on("error",(t=>{this.onError("xhr poll error",t)})),this.pollXhr=t}}};class $ extends u{constructor(t,e={}){super(),t&&"object"==typeof t&&(e=t,t=null),t?(t=s(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=s(e.host).host),p(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 location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},e),this.opts.path=this.opts.path.replace(/\/$/,"")+"/","string"==typeof this.opts.query&&(this.opts.query=D.decode(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,"function"==typeof addEventListener&&(this.opts.closeOnBeforeunload&&addEventListener("beforeunload",(()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())}),!1),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close")},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=function(t){const e={};for(let s in t)t.hasOwnProperty(s)&&(e[s]=t[s]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new W[t](s)}open(){let t;if(this.opts.rememberUpgrade&&$.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.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)}setTransport(t){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",(()=>{this.onClose("transport close")}))}probe(t){let e=this.createTransport(t),s=!1;$.priorWebsocketSuccess=!1;const n=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;$.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function r(){s||(s=!0,c(),e.close(),e=null)}const i=t=>{const s=new Error("probe error: "+t);s.transport=e.name,r(),this.emitReserved("upgradeError",s)};function o(){i("transport closed")}function a(){i("socket closed")}function h(t){e&&t.name!==e.name&&r()}const c=()=>{e.removeListener("open",n),e.removeListener("error",i),e.removeListener("close",o),this.off("close",a),this.off("upgrading",h)};e.once("open",n),e.once("error",i),e.once("close",o),this.once("close",a),this.once("upgrading",h),e.open()}onOpen(){if(this.readyState="open",$.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade&&this.transport.pause){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(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":const 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)}}onHandshake(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.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.emitReserved("drain"):this.flush()}flush(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof s&&(n=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const r={type:t,data:e,options:s};this.emitReserved("packetCreate",r),this.writeBuffer.push(r),n&&this.once("flush",n),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){$.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(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)}filterUpgrades(t){const e=[];let s=0;const n=t.length;for(;s<n;s++)~this.transports.indexOf(t[s])&&e.push(t[s]);return e}}$.protocol=4,$.protocol;const J="function"==typeof ArrayBuffer,X=Object.prototype.toString,G="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===X.call(Blob),Q="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===X.call(File);function Z(t){return J&&(t instanceof ArrayBuffer||(t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer)(t))||G&&t instanceof Blob||Q&&t instanceof File}function tt(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e<s;e++)if(tt(t[e]))return!0;return!1}if(Z(t))return!0;if(t.toJSON&&"function"==typeof t.toJSON&&1===arguments.length)return tt(t.toJSON(),!0);for(const e in t)if(Object.prototype.hasOwnProperty.call(t,e)&&tt(t[e]))return!0;return!1}function et(t){const e=[],s=t.data,n=t;return n.data=st(s,e),n.attachments=e.length,{packet:n,buffers:e}}function st(t,e){if(!t)return t;if(Z(t)){const s={_placeholder:!0,num:e.length};return e.push(t),s}if(Array.isArray(t)){const s=new Array(t.length);for(let n=0;n<t.length;n++)s[n]=st(t[n],e);return s}if("object"==typeof t&&!(t instanceof Date)){const s={};for(const n in t)t.hasOwnProperty(n)&&(s[n]=st(t[n],e));return s}return t}function nt(t,e){return t.data=rt(t.data,e),t.attachments=void 0,t}function rt(t,e){if(!t)return t;if(t&&t._placeholder)return e[t.num];if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]=rt(t[s],e);else if("object"==typeof t)for(const s in t)t.hasOwnProperty(s)&&(t[s]=rt(t[s],e));return t}const it=5;var ot;!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"}(ot||(ot={}));class at extends u{constructor(){super()}add(t){let e;if("string"==typeof t)e=this.decodeString(t),e.type===ot.BINARY_EVENT||e.type===ot.BINARY_ACK?(this.reconstructor=new ht(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e);else{if(!Z(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emitReserved("decoded",e))}}decodeString(t){let e=0;const s={type:Number(t.charAt(0))};if(void 0===ot[s.type])throw new Error("unknown packet type "+s.type);if(s.type===ot.BINARY_EVENT||s.type===ot.BINARY_ACK){const n=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const r=t.substring(n,e);if(r!=Number(r)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(r)}if("/"===t.charAt(e+1)){const n=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}s.nsp=t.substring(n,e)}else s.nsp="/";const n=t.charAt(e+1);if(""!==n&&Number(n)==n){const n=e+1;for(;++e;){const s=t.charAt(e);if(null==s||Number(s)!=s){--e;break}if(e===t.length)break}s.id=Number(t.substring(n,e+1))}if(t.charAt(++e)){const n=function(t){try{return JSON.parse(t)}catch(t){return!1}}(t.substr(e));if(!at.isPayloadValid(s.type,n))throw new Error("invalid payload");s.data=n}return s}static isPayloadValid(t,e){switch(t){case ot.CONNECT:return"object"==typeof e;case ot.DISCONNECT:return void 0===e;case ot.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case ot.EVENT:case ot.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case ot.ACK:case ot.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}class ht{constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=nt(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var ct=Object.freeze({__proto__:null,protocol:5,get PacketType(){return ot},Encoder:class{encode(t){return t.type!==ot.EVENT&&t.type!==ot.ACK||!tt(t)?[this.encodeAsString(t)]:(t.type=t.type===ot.EVENT?ot.BINARY_EVENT:ot.BINARY_ACK,this.encodeAsBinary(t))}encodeAsString(t){let e=""+t.type;return t.type!==ot.BINARY_EVENT&&t.type!==ot.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)),e}encodeAsBinary(t){const e=et(t),s=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(s),n}},Decoder:at});function pt(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ut=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class lt extends u{constructor(t,e,s){super(),this.connected=!1,this.disconnected=!0,this.receiveBuffer=[],this.sendBuffer=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this.io._autoConnect&&this.open()}subEvents(){if(this.subs)return;const t=this.io;this.subs=[pt(t,"open",this.onopen.bind(this)),pt(t,"packet",this.onpacket.bind(this)),pt(t,"error",this.onerror.bind(this)),pt(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(ut.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');e.unshift(t);const s={type:ot.EVENT,data:e,options:{}};if(s.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]){const t=this.ids++,n=e.pop();this._registerAckCallback(t,n),s.id=t}const n=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!n||!this.connected)||(this.connected?this.packet(s):this.sendBuffer.push(s)),this.flags={},this}_registerAckCallback(t,e){const s=this.flags.timeout;if(void 0===s)return void(this.acks[t]=e);const n=this.io.setTimeoutFn((()=>{delete this.acks[t];for(let e=0;e<this.sendBuffer.length;e++)this.sendBuffer[e].id===t&&this.sendBuffer.splice(e,1);e.call(this,new Error("operation has timed out"))}),s);this.acks[t]=(...t)=>{this.io.clearTimeoutFn(n),e.apply(this,[null,...t])}}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this.packet({type:ot.CONNECT,data:t})})):this.packet({type:ot.CONNECT,data:this.auth})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(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 ot.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 ot.EVENT:case ot.BINARY_EVENT:this.onevent(t);break;case ot.ACK:case ot.BINARY_ACK:this.onack(t);break;case ot.DISCONNECT:this.ondisconnect();break;case ot.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&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 s of e)s.apply(this,t)}super.emit.apply(this,t)}ack(t){const e=this;let s=!1;return function(...n){s||(s=!0,e.packet({type:ot.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(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(){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&&this.packet({type:ot.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}timeout(t){return this.flags.timeout=t,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 s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}}var dt=ft;function ft(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}ft.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},ft.prototype.reset=function(){this.attempts=0},ft.prototype.setMin=function(t){this.ms=t},ft.prototype.setMax=function(t){this.max=t},ft.prototype.setJitter=function(t){this.jitter=t};class yt extends u{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,p(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new dt({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const n=e.parser||ct;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new $(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=pt(e,"open",(function(){s.onopen(),t&&t()})),r=pt(e,"error",(e=>{s.cleanup(),s._readyState="closed",this.emitReserved("error",e),t?t(e):s.maybeReconnectOnOpen()}));if(!1!==this._timeout){const t=this._timeout;0===t&&n();const s=this.setTimeoutFn((()=>{n(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}return this.subs.push(n),this.subs.push(r),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(pt(t,"ping",this.onping.bind(this)),pt(t,"data",this.ondata.bind(this)),pt(t,"error",this.onerror.bind(this)),pt(t,"close",this.onclose.bind(this)),pt(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){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s||(s=new lt(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;s<e.length;s++)this.engine.write(e[s],t.options)}cleanup(){this.subs.forEach((t=>t())),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t){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)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const mt={};function gt(t,e){"object"==typeof t&&(e=t,t=void 0);const n=function(t,e="",n){let 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=s(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";const 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,(e=e||{}).path||"/socket.io"),r=n.source,i=n.id,o=n.path,a=mt[i]&&o in mt[i].nsps;let h;return e.forceNew||e["force new connection"]||!1===e.multiplex||a?h=new yt(r,e):(mt[i]||(mt[i]=new yt(r,e)),h=mt[i]),n.query&&!e.query&&(e.query=n.queryKey),h.socket(n.path,e)}Object.assign(gt,{Manager:yt,Socket:lt,io:gt,connect:gt});export{yt as Manager,lt as Socket,gt as connect,gt as default,gt as io,it as protocol};
//# sourceMappingURL=socket.io.esm.min.js.map

4

dist/socket.io.min.js
/*!
* Socket.IO v4.3.2
* Socket.IO v4.4.0
* (c) 2014-2021 Guillermo Rauch
* Released under the MIT License.
*/
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location&&"https:"===location.protocol,i.hostname&&!i.port&&(i.port=r.secure?"443":"80"),r.hostname=i.hostname||("undefined"!=typeof location?location.hostname:"localhost"),r.port=i.port||("undefined"!=typeof location&&location.port?location.port:r.secure?"443":"80"),r.transports=i.transports||["polling","websocket"],r.readyState="",r.writeBuffer=[],r.prevBufferLen=0,r.opts=o({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},i),r.opts.path=r.opts.path.replace(/\/$/,"")+"/","string"==typeof r.opts.query&&(r.opts.query=G.decode(r.opts.query)),r.id=null,r.upgrades=null,r.pingInterval=null,r.pingTimeout=null,r.pingTimeoutTimer=null,"function"==typeof addEventListener&&(r.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())}),!1),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close")},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=function(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=o({},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(){e.onClose("transport close")}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var o=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 o=new Error("probe error");o.transport=n.name,e.emitReserved("upgradeError",o)}})))};function i(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,i(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function u(){s("socket closed")}function h(t){n&&t.name!==n.name&&i()}var f=function(){n.removeListener("open",o),n.removeListener("error",s),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",o),n.once("error",s),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.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(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}},{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 o={type:t,data:e,options:n};this.emitReserved("packetCreate",o),this.writeBuffer.push(o),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}(R);ut.protocol=4;var ht="function"==typeof ArrayBuffer,ft=Object.prototype.toString,pt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===ft.call(Blob),lt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===ft.call(File);function dt(t){return ht&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||pt&&t instanceof Blob||lt&&t instanceof File}function yt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,o=e.length;r<o;r++)if(yt(e[r]))return!0;return!1}if(dt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return yt(e.toJSON(),!0);for(var i in e)if(Object.prototype.hasOwnProperty.call(e,i)&&yt(e[i]))return!0;return!1}function vt(t){var e=[],n=t.data,r=t;return r.data=mt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function mt(e,n){if(!e)return e;if(dt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var o=new Array(e.length),i=0;i<e.length;i++)o[i]=mt(e[i],n);return o}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)e.hasOwnProperty(a)&&(s[a]=mt(e[a],n));return s}return e}function gt(t,e){return t.data=kt(t.data,e),t.attachments=void 0,t}function kt(e,n){if(!e)return e;if(e&&e._placeholder)return n[e.num];if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=kt(e[r],n);else if("object"===t(e))for(var o in e)e.hasOwnProperty(o)&&(e[o]=kt(e[o],n));return e}var bt;!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"}(bt||(bt={}));var wt=function(){function t(){e(this,t)}return r(t,[{key:"encode",value:function(t){return t.type!==bt.EVENT&&t.type!==bt.ACK||!yt(t)?[this.encodeAsString(t)]:(t.type=t.type===bt.EVENT?bt.BINARY_EVENT:bt.BINARY_ACK,this.encodeAsBinary(t))}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==bt.BINARY_EVENT&&t.type!==bt.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)),e}},{key:"encodeAsBinary",value:function(t){var e=vt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}(),_t=function(n){i(a,n);var o=h(a);function a(){return e(this,a),o.call(this)}return r(a,[{key:"add",value:function(t){var e;if("string"==typeof t)(e=this.decodeString(t)).type===bt.BINARY_EVENT||e.type===bt.BINARY_ACK?(this.reconstructor=new Et(e),0===e.attachments&&f(s(a.prototype),"emitReserved",this).call(this,"decoded",e)):f(s(a.prototype),"emitReserved",this).call(this,"decoded",e);else{if(!dt(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");(e=this.reconstructor.takeBinaryData(t))&&(this.reconstructor=null,f(s(a.prototype),"emitReserved",this).call(this,"decoded",e))}}},{key:"decodeString",value:function(t){var e=0,n={type:Number(t.charAt(0))};if(void 0===bt[n.type])throw new Error("unknown packet type "+n.type);if(n.type===bt.BINARY_EVENT||n.type===bt.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var o=t.substring(r,e);if(o!=Number(o)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(o)}if("/"===t.charAt(e+1)){for(var i=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(i,e)}else n.nsp="/";var s=t.charAt(e+1);if(""!==s&&Number(s)==s){for(var c=e+1;++e;){var u=t.charAt(e);if(null==u||Number(u)!=u){--e;break}if(e===t.length)break}n.id=Number(t.substring(c,e+1))}if(t.charAt(++e)){var h=function(t){try{return JSON.parse(t)}catch(t){return!1}}(t.substr(e));if(!a.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"destroy",value:function(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}],[{key:"isPayloadValid",value:function(e,n){switch(e){case bt.CONNECT:return"object"===t(n);case bt.DISCONNECT:return void 0===n;case bt.CONNECT_ERROR:return"string"==typeof n||"object"===t(n);case bt.EVENT:case bt.BINARY_EVENT:return Array.isArray(n)&&n.length>0;case bt.ACK:case bt.BINARY_ACK:return Array.isArray(n)}}}]),a}(R);var Et=function(){function t(n){e(this,t),this.packet=n,this.buffers=[],this.reconPack=n}return r(t,[{key:"takeBinaryData",value:function(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){var e=gt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),At=Object.freeze({__proto__:null,protocol:5,get PacketType(){return bt},Encoder:wt,Decoder:_t});function Rt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Tt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Ot=function(t){i(o,t);var n=h(o);function o(t,r,i){var s;return e(this,o),(s=n.call(this)).connected=!1,s.disconnected=!0,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,i&&i.auth&&(s.auth=i.auth),s.io._autoConnect&&s.open(),s}return r(o,[{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Rt(t,"open",this.onopen.bind(this)),Rt(t,"packet",this.onpacket.bind(this)),Rt(t,"error",this.onerror.bind(this)),Rt(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(Tt.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 o={type:bt.EVENT,data:n,options:{}};o.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]&&(this.acks[this.ids]=n.pop(),o.id=this.ids++);var i=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,s=this.flags.volatile&&(!i||!this.connected);return s||(this.connected?this.packet(o):this.sendBuffer.push(o)),this.flags={},this}},{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){this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}},{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: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=l(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}f(s(o.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,o=new Array(r),i=0;i<r;i++)o[i]=arguments[i];e.packet({type:bt.ACK,id:t,data:o})}}}},{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.disconnected=!1,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){return 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:"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||[]}}]),o}(R),Ct=St;function St(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}St.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)},St.prototype.reset=function(){this.attempts=0},St.prototype.setMin=function(t){this.ms=t},St.prototype.setMax=function(t){this.max=t},St.prototype.setJitter=function(t){this.jitter=t};var Nt=function(n){i(s,n);var o=h(s);function s(n,r){var i,a;e(this,s),(i=o.call(this)).nsps={},i.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",i.opts=r,A(c(i),r),i.reconnection(!1!==r.reconnection),i.reconnectionAttempts(r.reconnectionAttempts||1/0),i.reconnectionDelay(r.reconnectionDelay||1e3),i.reconnectionDelayMax(r.reconnectionDelayMax||5e3),i.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),i.backoff=new Ct({min:i.reconnectionDelay(),max:i.reconnectionDelayMax(),jitter:i.randomizationFactor()}),i.timeout(null==r.timeout?2e4:r.timeout),i._readyState="closed",i.uri=n;var u=r.parser||At;return i.encoder=new u.Encoder,i.decoder=new u.Decoder,i._autoConnect=!1!==r.autoConnect,i._autoConnect&&i.open(),i}return r(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 ut(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var o=Rt(n,"open",(function(){r.onopen(),t&&t()})),i=Rt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&o();var a=this.setTimeoutFn((function(){o(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(o),this.subs.push(i),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(Rt(t,"ping",this.onping.bind(this)),Rt(t,"data",this.ondata.bind(this)),Rt(t,"error",this.onerror.bind(this)),Rt(t,"close",this.onclose.bind(this)),Rt(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 Ot(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,"opening"===this._readyState&&this.cleanup(),this.backoff.reset(),this._readyState="closed",this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t),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 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Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)},it=k.WebSocket||k.MozWebSocket,st="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),at=function(t){i(o,t);var n=h(o);function o(t){var r;return e(this,o),(r=n.call(this,t)).supportsBinary=!t.forceBase64,r}return r(o,[{key:"name",get:function(){return"websocket"}},{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=st?{}:w(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(n.headers=this.opts.extraHeaders);try{this.ws=st?new it(t,e,n):e?new it(t,e):new it(t)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",this.addEventListeners()}}},{key:"addEventListeners",value:function(){var t=this;this.ws.onopen=function(){t.opts.autoUnref&&t.ws._socket.unref(),t.onOpen()},this.ws.onclose=this.onClose.bind(this),this.ws.onmessage=function(e){return t.onData(e.data)},this.ws.onerror=function(e){return t.onError("websocket error",e)}}},{key:"write",value:function(t){var e=this;this.writable=!1;for(var n=function(n){var r=t[n],o=n===t.length-1;x(r,e.supportsBinary,(function(t){try{e.ws.send(t)}catch(t){}o&&ot((function(){e.writable=!0,e.emit("drain")}),e.setTimeoutFn)}))},r=0;r<t.length;r++)n(r)}},{key:"doClose",value:function(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"wss":"ws",n="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=X()),this.supportsBinary||(t.b64=1);var r=G.encode(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!(!it||"__initialize"in it&&this.name===o.prototype.name)}}]),o}(H),ct={websocket:at,polling:et},ut=function(n){i(a,n);var s=h(a);function a(n){var r,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return e(this,a),r=s.call(this),n&&"object"===t(n)&&(i=n,n=null),n?(n=v(n),i.hostname=n.host,i.secure="https"===n.protocol||"wss"===n.protocol,i.port=n.port,n.query&&(i.query=n.query)):i.host&&(i.hostname=v(i.host).host),A(c(r),i),r.secure=null!=i.secure?i.secure:"undefined"!=typeof location&&"https:"===location.protocol,i.hostname&&!i.port&&(i.port=r.secure?"443":"80"),r.hostname=i.hostname||("undefined"!=typeof location?location.hostname:"localhost"),r.port=i.port||("undefined"!=typeof location&&location.port?location.port:r.secure?"443":"80"),r.transports=i.transports||["polling","websocket"],r.readyState="",r.writeBuffer=[],r.prevBufferLen=0,r.opts=o({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},i),r.opts.path=r.opts.path.replace(/\/$/,"")+"/","string"==typeof r.opts.query&&(r.opts.query=G.decode(r.opts.query)),r.id=null,r.upgrades=null,r.pingInterval=null,r.pingTimeout=null,r.pingTimeoutTimer=null,"function"==typeof addEventListener&&(r.opts.closeOnBeforeunload&&addEventListener("beforeunload",(function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())}),!1),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close")},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=function(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=o({},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(){e.onClose("transport close")}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var o=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 o=new Error("probe error");o.transport=n.name,e.emitReserved("upgradeError",o)}})))};function i(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,i(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function u(){s("socket closed")}function h(t){n&&t.name!==n.name&&i()}var f=function(){n.removeListener("open",o),n.removeListener("error",s),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",o),n.once("error",s),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.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(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}},{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 o={type:t,data:e,options:n};this.emitReserved("packetCreate",o),this.writeBuffer.push(o),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}(R);ut.protocol=4;var ht="function"==typeof ArrayBuffer,ft=Object.prototype.toString,lt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===ft.call(Blob),pt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===ft.call(File);function dt(t){return ht&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||lt&&t instanceof Blob||pt&&t instanceof File}function yt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,o=e.length;r<o;r++)if(yt(e[r]))return!0;return!1}if(dt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return yt(e.toJSON(),!0);for(var i in e)if(Object.prototype.hasOwnProperty.call(e,i)&&yt(e[i]))return!0;return!1}function vt(t){var e=[],n=t.data,r=t;return r.data=mt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function mt(e,n){if(!e)return e;if(dt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var o=new Array(e.length),i=0;i<e.length;i++)o[i]=mt(e[i],n);return o}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)e.hasOwnProperty(a)&&(s[a]=mt(e[a],n));return s}return e}function gt(t,e){return t.data=kt(t.data,e),t.attachments=void 0,t}function kt(e,n){if(!e)return e;if(e&&e._placeholder)return n[e.num];if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=kt(e[r],n);else if("object"===t(e))for(var o in e)e.hasOwnProperty(o)&&(e[o]=kt(e[o],n));return e}var bt;!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"}(bt||(bt={}));var wt=function(){function t(){e(this,t)}return r(t,[{key:"encode",value:function(t){return t.type!==bt.EVENT&&t.type!==bt.ACK||!yt(t)?[this.encodeAsString(t)]:(t.type=t.type===bt.EVENT?bt.BINARY_EVENT:bt.BINARY_ACK,this.encodeAsBinary(t))}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==bt.BINARY_EVENT&&t.type!==bt.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)),e}},{key:"encodeAsBinary",value:function(t){var e=vt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}(),_t=function(n){i(a,n);var o=h(a);function a(){return e(this,a),o.call(this)}return r(a,[{key:"add",value:function(t){var e;if("string"==typeof t)(e=this.decodeString(t)).type===bt.BINARY_EVENT||e.type===bt.BINARY_ACK?(this.reconstructor=new Et(e),0===e.attachments&&f(s(a.prototype),"emitReserved",this).call(this,"decoded",e)):f(s(a.prototype),"emitReserved",this).call(this,"decoded",e);else{if(!dt(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");(e=this.reconstructor.takeBinaryData(t))&&(this.reconstructor=null,f(s(a.prototype),"emitReserved",this).call(this,"decoded",e))}}},{key:"decodeString",value:function(t){var e=0,n={type:Number(t.charAt(0))};if(void 0===bt[n.type])throw new Error("unknown packet type "+n.type);if(n.type===bt.BINARY_EVENT||n.type===bt.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var o=t.substring(r,e);if(o!=Number(o)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(o)}if("/"===t.charAt(e+1)){for(var i=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(i,e)}else n.nsp="/";var s=t.charAt(e+1);if(""!==s&&Number(s)==s){for(var c=e+1;++e;){var u=t.charAt(e);if(null==u||Number(u)!=u){--e;break}if(e===t.length)break}n.id=Number(t.substring(c,e+1))}if(t.charAt(++e)){var h=function(t){try{return JSON.parse(t)}catch(t){return!1}}(t.substr(e));if(!a.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"destroy",value:function(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}],[{key:"isPayloadValid",value:function(e,n){switch(e){case bt.CONNECT:return"object"===t(n);case bt.DISCONNECT:return void 0===n;case bt.CONNECT_ERROR:return"string"==typeof n||"object"===t(n);case bt.EVENT:case bt.BINARY_EVENT:return Array.isArray(n)&&n.length>0;case bt.ACK:case bt.BINARY_ACK:return Array.isArray(n)}}}]),a}(R);var Et=function(){function t(n){e(this,t),this.packet=n,this.buffers=[],this.reconPack=n}return r(t,[{key:"takeBinaryData",value:function(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){var e=gt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),At=Object.freeze({__proto__:null,protocol:5,get PacketType(){return bt},Encoder:wt,Decoder:_t});function Rt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Tt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Ct=function(t){i(o,t);var n=h(o);function o(t,r,i){var s;return e(this,o),(s=n.call(this)).connected=!1,s.disconnected=!0,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,i&&i.auth&&(s.auth=i.auth),s.io._autoConnect&&s.open(),s}return r(o,[{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Rt(t,"open",this.onopen.bind(this)),Rt(t,"packet",this.onpacket.bind(this)),Rt(t,"error",this.onerror.bind(this)),Rt(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(Tt.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 o={type:bt.EVENT,data:n,options:{}};if(o.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var i=this.ids++,s=n.pop();this._registerAckCallback(i,s),o.id=i}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.packet(o):this.sendBuffer.push(o)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var o=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(o);for(var t=arguments.length,r=new Array(t),i=0;i<t;i++)r[i]=arguments[i];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){this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}},{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=p(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}f(s(o.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,o=new Array(r),i=0;i<r;i++)o[i]=arguments[i];e.packet({type:bt.ACK,id:t,data:o})}}}},{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.disconnected=!1,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){return 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||[]}}]),o}(R),Ot=St;function St(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}St.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)},St.prototype.reset=function(){this.attempts=0},St.prototype.setMin=function(t){this.ms=t},St.prototype.setMax=function(t){this.max=t},St.prototype.setJitter=function(t){this.jitter=t};var Bt=function(n){i(s,n);var o=h(s);function s(n,r){var i,a;e(this,s),(i=o.call(this)).nsps={},i.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",i.opts=r,A(c(i),r),i.reconnection(!1!==r.reconnection),i.reconnectionAttempts(r.reconnectionAttempts||1/0),i.reconnectionDelay(r.reconnectionDelay||1e3),i.reconnectionDelayMax(r.reconnectionDelayMax||5e3),i.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),i.backoff=new Ot({min:i.reconnectionDelay(),max:i.reconnectionDelayMax(),jitter:i.randomizationFactor()}),i.timeout(null==r.timeout?2e4:r.timeout),i._readyState="closed",i.uri=n;var u=r.parser||At;return i.encoder=new u.Encoder,i.decoder=new u.Decoder,i._autoConnect=!1!==r.autoConnect,i._autoConnect&&i.open(),i}return r(s,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 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4

dist/socket.io.msgpack.min.js
/*!
* Socket.IO v4.3.2
* Socket.IO v4.4.0
* (c) 2014-2021 Guillermo Rauch
* Released under the MIT License.
*/
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t=this,e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(function(e){t.onError("xhr poll error",e)})),this.pollXhr=e}}]),r}(Z),rt=function(t){s(r,t);var e=f(r);function r(t,i){var o;return n(this,r),C(h(o=e.call(this)),i),o.opts=i,o.method=i.method||"GET",o.uri=t,o.async=!1!==i.async,o.data=void 0!==i.data?i.data:null,o.create(),o}return i(r,[{key:"create",value:function(){var t=this,e=w(this.opts,"agent","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","autoUnref");e.xdomain=!!this.opts.xd,e.xscheme=!!this.opts.xs;var n=this.xhr=new k(e);try{n.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders)for(var i in n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0),this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(i)&&n.setRequestHeader(i,this.opts.extraHeaders[i])}catch(t){}if("POST"===this.method)try{n.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}try{n.setRequestHeader("Accept","*/*")}catch(t){}"withCredentials"in n&&(n.withCredentials=this.opts.withCredentials),this.opts.requestTimeout&&(n.timeout=this.opts.requestTimeout),n.onreadystatechange=function(){4===n.readyState&&(200===n.status||1223===n.status?t.onLoad():t.setTimeoutFn((function(){t.onError("number"==typeof n.status?n.status:0)}),0))},n.send(this.data)}catch(e){return void this.setTimeoutFn((function(){t.onError(e)}),0)}"undefined"!=typeof document&&(this.index=r.requestsCount++,r.requests[this.index]=this)}},{key:"onSuccess",value:function(){this.emit("success"),this.cleanup()}},{key:"onData",value:function(t){this.emit("data",t),this.onSuccess()}},{key:"onError",value:function(t){this.emit("error",t),this.cleanup(!0)}},{key:"cleanup",value:function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=tt,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete r.requests[this.index],this.xhr=null}}},{key:"onLoad",value:function(){var t=this.xhr.responseText;null!==t&&this.onData(t)}},{key:"abort",value:function(){this.cleanup()}}]),r}(S);if(rt.requestsCount=0,rt.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",it);else if("function"==typeof addEventListener){addEventListener("onpagehide"in b?"pagehide":"unload",it,!1)}function it(){for(var t in rt.requests)rt.requests.hasOwnProperty(t)&&rt.requests[t].abort()}var ot="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)},st=b.WebSocket||b.MozWebSocket,at="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),ct=function(t){s(r,t);var e=f(r);function r(t){var i;return n(this,r),(i=e.call(this,t)).supportsBinary=!t.forceBase64,i}return i(r,[{key:"name",get:function(){return"websocket"}},{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=at?{}:w(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(n.headers=this.opts.extraHeaders);try{this.ws=at?new st(t,e,n):e?new st(t,e):new st(t)}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||"arraybuffer",this.addEventListeners()}}},{key:"addEventListeners",value:function(){var t=this;this.ws.onopen=function(){t.opts.autoUnref&&t.ws._socket.unref(),t.onOpen()},this.ws.onclose=this.onClose.bind(this),this.ws.onmessage=function(e){return t.onData(e.data)},this.ws.onerror=function(e){return t.onError("websocket error",e)}}},{key:"write",value:function(t){var e=this;this.writable=!1;for(var n=function(n){var r=t[n],i=n===t.length-1;B(r,e.supportsBinary,(function(t){try{e.ws.send(t)}catch(t){}i&&ot((function(){e.writable=!0,e.emit("drain")}),e.setTimeoutFn)}))},r=0;r<t.length;r++)n(r)}},{key:"doClose",value:function(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"wss":"ws",n="";this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=G()),this.supportsBinary||(t.b64=1);var r=Q.encode(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!(!st||"__initialize"in st&&this.name===r.prototype.name)}}]),r}(z),ht={websocket:ct,polling:nt},ut=function(t){s(a,t);var r=f(a);function a(t){var i,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return n(this,a),i=r.call(this),t&&"object"===e(t)&&(s=t,t=null),t?(t=g(t),s.hostname=t.host,s.secure="https"===t.protocol||"wss"===t.protocol,s.port=t.port,t.query&&(s.query=t.query)):s.host&&(s.hostname=g(s.host).host),C(h(i),s),i.secure=null!=s.secure?s.secure:"undefined"!=typeof location&&"https:"===location.protocol,s.hostname&&!s.port&&(s.port=i.secure?"443":"80"),i.hostname=s.hostname||("undefined"!=typeof location?location.hostname:"localhost"),i.port=s.port||("undefined"!=typeof location&&location.port?location.port:i.secure?"443":"80"),i.transports=s.transports||["polling","websocket"],i.readyState="",i.writeBuffer=[],i.prevBufferLen=0,i.opts=o({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},s),i.opts.path=i.opts.path.replace(/\/$/,"")+"/","string"==typeof i.opts.query&&(i.opts.query=Q.decode(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")},addEventListener("offline",i.offlineEventListener,!1))),i.open(),i}return i(a,[{key:"createTransport",value:function(t){var e=function(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=o({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ht[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(){e.onClose("transport close")}))}},{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 o(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,o(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function h(){s("socket closed")}function u(t){n&&t.name!==n.name&&o()}var f=function(){n.removeListener("open",i),n.removeListener("error",s),n.removeListener("close",c),e.off("close",h),e.off("upgrading",u)};n.once("open",i),n.once("error",s),n.once("close",c),this.once("close",h),this.once("upgrading",u),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.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(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}},{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}(S);ut.protocol=4;var ft={},pt={};function lt(t,e,n){for(var r=0,i=0,o=n.length;i<o;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 dt(t,n,r){var i=e(r),o=0,s=0,a=0,c=0,h=0,u=0;if("string"===i){if(h=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),h<32)t.push(160|h),u=1;else if(h<256)t.push(217,h),u=2;else if(h<65536)t.push(218,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("String too long");t.push(219,h>>24,h>>16,h>>8,h),u=5}return n.push({_str:r,_length:h,_offset:t.length}),u+h}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((h=r.length)<16)t.push(144|h),u=1;else if(h<65536)t.push(220,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("Array too 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a=t.getUint8(o);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(++o))<<12|(63&t.getUint8(++o))<<6|(63&t.getUint8(++o))<<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(++o))<<6|(63&t.getUint8(++o))<<0);else r+=String.fromCharCode((31&a)<<6|63&t.getUint8(++o));else r+=String.fromCharCode(a)}return r}(this._view,this._offset,t);return this._offset+=t,e},vt.prototype._bin=function(t){var e=this._buffer.slice(this._offset,this._offset+t);return this._offset+=t,e},vt.prototype._parse=function(){var t,e=this._view.getUint8(this._offset++),n=0,r=0,i=0,o=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),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;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),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;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),o=this._view.getUint32(this._offset+4),this._offset+=8,new Date(i+o)):[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 gt=function(t){var e=new vt(t),n=e._parse();if(e._offset!==t.byteLength)throw new Error(t.byteLength-e._offset+" trailing bytes");return n};pt.encode=yt,pt.decode=gt;var mt,_t={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}}(_t);var bt=pt,kt=_t.exports,wt=ft.protocol=5,Et=mt=ft.PacketType={CONNECT:0,DISCONNECT:1,EVENT:2,ACK:3,CONNECT_ERROR:4},Ot=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},Ct=function(t){return"string"==typeof t},St=function(t){return"[object Object]"===Object.prototype.toString.call(t)};function Tt(){}function Rt(){}Tt.prototype.encode=function(t){return[bt.encode(t)]},kt(Rt.prototype),Rt.prototype.add=function(t){var e=bt.decode(t);this.checkPacket(e),this.emit("decoded",e)},Rt.prototype.checkPacket=function(t){if(!(Ot(t.type)&&t.type>=Et.CONNECT&&t.type<=Et.CONNECT_ERROR))throw new Error("invalid packet type");if(!Ct(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Et.CONNECT:return void 0===t.data||St(t.data);case Et.DISCONNECT:return void 0===t.data;case Et.CONNECT_ERROR:return Ct(t.data)||St(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||Ot(t.id)))throw new Error("invalid packet id")},Rt.prototype.destroy=function(){};var xt=ft.Encoder=Tt,At=ft.Decoder=Rt,Ut=Object.freeze(t({__proto__:null,default:ft,protocol:wt,get PacketType(){return mt},Encoder:xt,Decoder:At},[ft]));function Lt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Bt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),jt=function(t){s(r,t);var e=f(r);function r(t,i,o){var s;return n(this,r),(s=e.call(this)).connected=!1,s.disconnected=!0,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=i,o&&o.auth&&(s.auth=o.auth),s.io._autoConnect&&s.open(),s}return i(r,[{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Lt(t,"open",this.onopen.bind(this)),Lt(t,"packet",this.onpacket.bind(this)),Lt(t,"error",this.onerror.bind(this)),Lt(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(Bt.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:mt.EVENT,data:n,options:{}};i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]&&(this.acks[this.ids]=n.pop(),i.id=this.ids++);var o=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,s=this.flags.volatile&&(!o||!this.connected);return s||(this.connected?this.packet(i):this.sendBuffer.push(i)),this.flags={},this}},{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:mt.CONNECT,data:e})})):this.packet({type:mt.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t){this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case mt.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 mt.EVENT:case mt.BINARY_EVENT:this.onevent(t);break;case mt.ACK:case mt.BINARY_ACK:this.onack(t);break;case mt.DISCONNECT:this.ondisconnect();break;case mt.CONNECT_ERROR: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=d(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}p(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),o=0;o<r;o++)i[o]=arguments[o];e.packet({type:mt.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.disconnected=!1,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){return 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:mt.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:"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||[]}}]),r}(S),Nt=Pt;function Pt(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}Pt.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)},Pt.prototype.reset=function(){this.attempts=0},Pt.prototype.setMin=function(t){this.ms=t},Pt.prototype.setMax=function(t){this.max=t},Pt.prototype.setJitter=function(t){this.jitter=t};var qt=function(t){s(o,t);var r=f(o);function o(t,i){var s,a;n(this,o),(s=r.call(this)).nsps={},s.subs=[],t&&"object"===e(t)&&(i=t,t=void 0),(i=i||{}).path=i.path||"/socket.io",s.opts=i,C(h(s),i),s.reconnection(!1!==i.reconnection),s.reconnectionAttempts(i.reconnectionAttempts||1/0),s.reconnectionDelay(i.reconnectionDelay||1e3),s.reconnectionDelayMax(i.reconnectionDelayMax||5e3),s.randomizationFactor(null!==(a=i.randomizationFactor)&&void 0!==a?a:.5),s.backoff=new Nt({min:s.reconnectionDelay(),max:s.reconnectionDelayMax(),jitter:s.randomizationFactor()}),s.timeout(null==i.timeout?2e4:i.timeout),s._readyState="closed",s.uri=t;var c=i.parser||Ut;return s.encoder=new c.Encoder,s.decoder=new c.Decoder,s._autoConnect=!1!==i.autoConnect,s._autoConnect&&s.open(),s}return i(o,[{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 ut(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=Lt(n,"open",(function(){r.onopen(),t&&t()})),o=Lt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(o),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(Lt(t,"ping",this.onping.bind(this)),Lt(t,"data",this.ondata.bind(this)),Lt(t,"error",this.onerror.bind(this)),Lt(t,"close",this.onclose.bind(this)),Lt(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 jt(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,"opening"===this._readyState&&this.cleanup(),this.backoff.reset(),this._readyState="closed",this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t),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)}}]),o}(S),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=g(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"),o=i.source,s=i.id,a=i.path,c=Dt[s]&&a in Dt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new qt(o,n):(Dt[s]||(Dt[s]=new qt(o,n)),r=Dt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return o(It,{Manager:qt,Socket:jt,io:It,connect:It}),It}));
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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")},addEventListener("offline",i.offlineEventListener,!1))),i.open(),i}return i(a,[{key:"createTransport",value:function(t){var e=function(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}(this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=o({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ht[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(){e.onClose("transport close")}))}},{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 o(){r||(r=!0,f(),n.close(),n=null)}var s=function(t){var r=new Error("probe error: "+t);r.transport=n.name,o(),e.emitReserved("upgradeError",r)};function c(){s("transport closed")}function h(){s("socket closed")}function u(t){n&&t.name!==n.name&&o()}var f=function(){n.removeListener("open",i),n.removeListener("error",s),n.removeListener("close",c),e.off("close",h),e.off("upgrading",u)};n.once("open",i),n.once("error",s),n.once("close",c),this.once("close",h),this.once("upgrading",u),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.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(){"closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emitReserved("flush"))}},{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}(T);ut.protocol=4;var ft={},pt={};function lt(t,e,n){for(var r=0,i=0,o=n.length;i<o;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 dt(t,n,r){var i=e(r),o=0,s=0,a=0,c=0,h=0,u=0;if("string"===i){if(h=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),h<32)t.push(160|h),u=1;else if(h<256)t.push(217,h),u=2;else if(h<65536)t.push(218,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("String too long");t.push(219,h>>24,h>>16,h>>8,h),u=5}return n.push({_str:r,_length:h,_offset:t.length}),u+h}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((h=r.length)<16)t.push(144|h),u=1;else if(h<65536)t.push(220,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("Array too large");t.push(221,h>>24,h>>16,h>>8,h),u=5}for(o=0;o<h;o++)u+=dt(t,n,r[o]);return u}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((h=r.byteLength)<256)t.push(196,h),u=2;else if(h<65536)t.push(197,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("Buffer too large");t.push(198,h>>24,h>>16,h>>8,h),u=5}return n.push({_bin:r,_length:h,_offset:t.length}),u+h}if("function"==typeof r.toJSON)return dt(t,n,r.toJSON());var p=[],l="",d=Object.keys(r);for(o=0,s=d.length;o<s;o++)"function"!=typeof r[l=d[o]]&&p.push(l);if((h=p.length)<16)t.push(128|h),u=1;else if(h<65536)t.push(222,h>>8,h),u=3;else{if(!(h<4294967296))throw new Error("Object too large");t.push(223,h>>24,h>>16,h>>8,h),u=5}for(o=0;o<h;o++)u+=dt(t,n,l=p[o]),u+=dt(t,n,r[l]);return u}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 yt=function(t){var e=[],n=[],r=dt(e,n,t),i=new ArrayBuffer(r),o=new DataView(i),s=0,a=0,c=-1;n.length>0&&(c=n[0]._offset);for(var h,u=0,f=0,p=0,l=e.length;p<l;p++)if(o.setUint8(a+p,e[p]),p+1===c){if(u=(h=n[s])._length,f=a+c,h._bin)for(var d=new Uint8Array(h._bin),y=0;y<u;y++)o.setUint8(f+y,d[y]);else h._str?lt(o,f,h._str):void 0!==h._float&&o.setFloat64(f,h._float);a+=u,n[++s]&&(c=n[s]._offset)}return i};function vt(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)}}vt.prototype._array=function(t){for(var e=new Array(t),n=0;n<t;n++)e[n]=this._parse();return e},vt.prototype._map=function(t){for(var e={},n=0;n<t;n++)e[this._parse()]=this._parse();return e},vt.prototype._str=function(t){var e=function(t,e,n){for(var r="",i=0,o=e,s=e+n;o<s;o++){var a=t.getUint8(o);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(++o))<<12|(63&t.getUint8(++o))<<6|(63&t.getUint8(++o))<<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(++o))<<6|(63&t.getUint8(++o))<<0);else r+=String.fromCharCode((31&a)<<6|63&t.getUint8(++o));else r+=String.fromCharCode(a)}return r}(this._view,this._offset,t);return this._offset+=t,e},vt.prototype._bin=function(t){var e=this._buffer.slice(this._offset,this._offset+t);return this._offset+=t,e},vt.prototype._parse=function(){var t,e=this._view.getUint8(this._offset++),n=0,r=0,i=0,o=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),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;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),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;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),o=this._view.getUint32(this._offset+4),this._offset+=8,new Date(i+o)):[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 gt=function(t){var e=new vt(t),n=e._parse();if(e._offset!==t.byteLength)throw new Error(t.byteLength-e._offset+" trailing bytes");return n};pt.encode=yt,pt.decode=gt;var mt,_t={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}}(_t);var bt=pt,kt=_t.exports,wt=ft.protocol=5,Et=mt=ft.PacketType={CONNECT:0,DISCONNECT:1,EVENT:2,ACK:3,CONNECT_ERROR:4},Ct=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},Ot=function(t){return"string"==typeof t},Tt=function(t){return"[object Object]"===Object.prototype.toString.call(t)};function St(){}function Rt(){}St.prototype.encode=function(t){return[bt.encode(t)]},kt(Rt.prototype),Rt.prototype.add=function(t){var e=bt.decode(t);this.checkPacket(e),this.emit("decoded",e)},Rt.prototype.checkPacket=function(t){if(!(Ct(t.type)&&t.type>=Et.CONNECT&&t.type<=Et.CONNECT_ERROR))throw new Error("invalid packet type");if(!Ot(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Et.CONNECT:return void 0===t.data||Tt(t.data);case Et.DISCONNECT:return void 0===t.data;case Et.CONNECT_ERROR:return Ot(t.data)||Tt(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||Ct(t.id)))throw new Error("invalid packet id")},Rt.prototype.destroy=function(){};var At=ft.Encoder=St,xt=ft.Decoder=Rt,Ut=Object.freeze(t({__proto__:null,default:ft,protocol:wt,get PacketType(){return mt},Encoder:At,Decoder:xt},[ft]));function Lt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Bt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),jt=function(t){s(r,t);var e=f(r);function r(t,i,o){var s;return n(this,r),(s=e.call(this)).connected=!1,s.disconnected=!0,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=i,o&&o.auth&&(s.auth=o.auth),s.io._autoConnect&&s.open(),s}return i(r,[{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Lt(t,"open",this.onopen.bind(this)),Lt(t,"packet",this.onpacket.bind(this)),Lt(t,"error",this.onerror.bind(this)),Lt(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(Bt.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:mt.EVENT,data:n,options:{}};if(i.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var o=this.ids++,s=n.pop();this._registerAckCallback(o,s),i.id=o}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.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),o=0;o<t;o++)r[o]=arguments[o];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:mt.CONNECT,data:e})})):this.packet({type:mt.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t){this.connected=!1,this.disconnected=!0,delete this.id,this.emitReserved("disconnect",t)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case mt.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 mt.EVENT:case mt.BINARY_EVENT:this.onevent(t);break;case mt.ACK:case mt.BINARY_ACK:this.onack(t);break;case mt.DISCONNECT:this.ondisconnect();break;case mt.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=d(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}p(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),o=0;o<r;o++)i[o]=arguments[o];e.packet({type:mt.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.disconnected=!1,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){return 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:mt.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||[]}}]),r}(T),Nt=Pt;function Pt(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}Pt.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)},Pt.prototype.reset=function(){this.attempts=0},Pt.prototype.setMin=function(t){this.ms=t},Pt.prototype.setMax=function(t){this.max=t},Pt.prototype.setJitter=function(t){this.jitter=t};var qt=function(t){s(o,t);var r=f(o);function o(t,i){var s,a;n(this,o),(s=r.call(this)).nsps={},s.subs=[],t&&"object"===e(t)&&(i=t,t=void 0),(i=i||{}).path=i.path||"/socket.io",s.opts=i,O(h(s),i),s.reconnection(!1!==i.reconnection),s.reconnectionAttempts(i.reconnectionAttempts||1/0),s.reconnectionDelay(i.reconnectionDelay||1e3),s.reconnectionDelayMax(i.reconnectionDelayMax||5e3),s.randomizationFactor(null!==(a=i.randomizationFactor)&&void 0!==a?a:.5),s.backoff=new Nt({min:s.reconnectionDelay(),max:s.reconnectionDelayMax(),jitter:s.randomizationFactor()}),s.timeout(null==i.timeout?2e4:i.timeout),s._readyState="closed",s.uri=t;var c=i.parser||Ut;return s.encoder=new c.Encoder,s.decoder=new c.Decoder,s._autoConnect=!1!==i.autoConnect,s._autoConnect&&s.open(),s}return i(o,[{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 ut(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=Lt(n,"open",(function(){r.onopen(),t&&t()})),o=Lt(n,"error",(function(n){r.cleanup(),r._readyState="closed",e.emitReserved("error",n),t?t(n):r.maybeReconnectOnOpen()}));if(!1!==this._timeout){var s=this._timeout;0===s&&i();var a=this.setTimeoutFn((function(){i(),n.close(),n.emit("error",new Error("timeout"))}),s);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(i),this.subs.push(o),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(Lt(t,"ping",this.onping.bind(this)),Lt(t,"data",this.ondata.bind(this)),Lt(t,"error",this.onerror.bind(this)),Lt(t,"close",this.onclose.bind(this)),Lt(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 jt(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){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t),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)}}]),o}(T),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=g(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"),o=i.source,s=i.id,a=i.path,c=Dt[s]&&a in Dt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new qt(o,n):(Dt[s]||(Dt[s]=new qt(o,n)),r=Dt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return o(It,{Manager:qt,Socket:jt,io:It,connect:It}),It}));
//# sourceMappingURL=socket.io.msgpack.min.js.map

4

package.json
{
"name": "socket.io-client",
"version": "4.3.2",
"version": "4.4.0",
"description": "Realtime application framework client",

@@ -37,3 +37,3 @@ "keywords": [

"debug": "~4.3.2",
"engine.io-client": "~6.0.1",
"engine.io-client": "~6.1.1",
"parseuri": "0.0.6",

@@ -40,0 +40,0 @@ "socket.io-parser": "~4.1.1"

dist/socket.io.esm.min.js.map

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dist/socket.io.js

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dist/socket.io.js.map

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dist/socket.io.min.js.map

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dist/socket.io.msgpack.min.js.map

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