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socket.io-client

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socket.io-client - npm Package Compare versions

Comparing version 4.5.4 to 4.6.0-alpha1

4

build/cjs/index.js

@@ -13,3 +13,3 @@ "use strict";

const debug_1 = __importDefault(require("debug")); // debug()
const debug = debug_1.default("socket.io-client"); // debug()
const debug = (0, debug_1.default)("socket.io-client"); // debug()
/**

@@ -25,3 +25,3 @@ * Managers cache.

opts = opts || {};
const parsed = url_js_1.url(uri, opts.path || "/socket.io");
const parsed = (0, url_js_1.url)(uri, opts.path || "/socket.io");
const source = parsed.source;

@@ -28,0 +28,0 @@ const id = parsed.id;

21

build/cjs/manager.js
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {

@@ -33,3 +37,3 @@ if (k2 === undefined) k2 = k;

const debug_1 = __importDefault(require("debug")); // debug()
const debug = debug_1.default("socket.io-client:manager"); // debug()
const debug = (0, debug_1.default)("socket.io-client:manager"); // debug()
class Manager extends component_emitter_1.Emitter {

@@ -48,3 +52,3 @@ constructor(uri, opts) {

this.opts = opts;
engine_io_client_1.installTimerFunctions(this, opts);
(0, engine_io_client_1.installTimerFunctions)(this, opts);
this.reconnection(opts.reconnection !== false);

@@ -145,3 +149,3 @@ this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);

// emit `open`
const openSubDestroy = on_js_1.on(socket, "open", function () {
const openSubDestroy = (0, on_js_1.on)(socket, "open", function () {
self.onopen();

@@ -151,3 +155,3 @@ fn && fn();

// emit `error`
const errorSub = on_js_1.on(socket, "error", (err) => {
const errorSub = (0, on_js_1.on)(socket, "error", (err) => {
debug("error");

@@ -213,3 +217,3 @@ self.cleanup();

const socket = this.engine;
this.subs.push(on_js_1.on(socket, "ping", this.onping.bind(this)), on_js_1.on(socket, "data", this.ondata.bind(this)), on_js_1.on(socket, "error", this.onerror.bind(this)), on_js_1.on(socket, "close", this.onclose.bind(this)), on_js_1.on(this.decoder, "decoded", this.ondecoded.bind(this)));
this.subs.push((0, on_js_1.on)(socket, "ping", this.onping.bind(this)), (0, on_js_1.on)(socket, "data", this.ondata.bind(this)), (0, on_js_1.on)(socket, "error", this.onerror.bind(this)), (0, on_js_1.on)(socket, "close", this.onclose.bind(this)), (0, on_js_1.on)(this.decoder, "decoded", this.ondecoded.bind(this)));
}

@@ -244,3 +248,3 @@ /**

// the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error"
engine_io_client_1.nextTick(() => {
(0, engine_io_client_1.nextTick)(() => {
this.emitReserved("packet", packet);

@@ -270,2 +274,5 @@ }, this.setTimeoutFn);

}
if (this._autoConnect) {
socket.connect();
}
return socket;

@@ -272,0 +279,0 @@ }

149

build/cjs/socket.js

@@ -11,3 +11,3 @@ "use strict";

const debug_1 = __importDefault(require("debug")); // debug()
const debug = debug_1.default("socket.io-client:socket"); // debug()
const debug = (0, debug_1.default)("socket.io-client:socket"); // debug()
/**

@@ -72,2 +72,7 @@ * Internal events.

/**
* Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will
* be transmitted by the server.
*/
this.recovered = false;
/**
* Buffer for packets received before the CONNECT packet

@@ -80,2 +85,9 @@ */

this.sendBuffer = [];
/**
* The queue of packets to be sent with retry in case of failure.
*
* Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.
* @private
*/
this._queue = [];
this.ids = 0;

@@ -89,2 +101,3 @@ this.acks = {};

}
this._opts = Object.assign({}, opts);
if (this.io._autoConnect)

@@ -120,6 +133,6 @@ this.open();

this.subs = [
on_js_1.on(io, "open", this.onopen.bind(this)),
on_js_1.on(io, "packet", this.onpacket.bind(this)),
on_js_1.on(io, "error", this.onerror.bind(this)),
on_js_1.on(io, "close", this.onclose.bind(this)),
(0, on_js_1.on)(io, "open", this.onopen.bind(this)),
(0, on_js_1.on)(io, "packet", this.onpacket.bind(this)),
(0, on_js_1.on)(io, "error", this.onerror.bind(this)),
(0, on_js_1.on)(io, "close", this.onclose.bind(this)),
];

@@ -215,2 +228,18 @@ }

args.unshift(ev);
if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {
let ack;
if (typeof args[args.length - 1] === "function") {
ack = args.pop();
}
this._queue.push({
id: this.ids++,
tryCount: 0,
pending: false,
args,
ack,
flags: Object.assign({ fromQueue: true }, this.flags),
});
this._drainQueue();
return this;
}
const packet = {

@@ -251,3 +280,4 @@ type: socket_io_parser_1.PacketType.EVENT,

_registerAckCallback(id, ack) {
const timeout = this.flags.timeout;
var _a;
const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;
if (timeout === undefined) {

@@ -276,2 +306,81 @@ this.acks[id] = ack;

/**
* Emits an event and waits for an acknowledgement
*
* @example
* // without timeout
* const response = await socket.emitWithAck("hello", "world");
*
* // with a specific timeout
* try {
* const response = await socket.timeout(1000).emitWithAck("hello", "world");
* } catch (err) {
* // the server did not acknowledge the event in the given delay
* }
*
* @return a Promise that will be fulfilled when the server acknowledges the event
*/
emitWithAck(ev, ...args) {
// the timeout flag is optional
const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;
return new Promise((resolve, reject) => {
args.push((arg1, arg2) => {
if (withErr) {
return arg1 ? reject(arg1) : resolve(arg2);
}
else {
return resolve(arg1);
}
});
this.emit(ev, ...args);
});
}
/**
* Send the first packet of the queue, and wait for an acknowledgement from the server.
* @private
*/
_drainQueue() {
debug("draining queue");
if (this._queue.length === 0) {
return;
}
const packet = this._queue[0];
if (packet.pending) {
debug("packet [%d] has already been sent and is waiting for an ack", packet.id);
return;
}
packet.pending = true;
packet.tryCount++;
debug("sending packet [%d] (try n°%d)", packet.id, packet.tryCount);
const currentId = this.ids;
this.ids = packet.id; // the same id is reused for consecutive retries, in order to allow deduplication on the server side
this.flags = packet.flags;
packet.args.push((err, ...responseArgs) => {
if (packet !== this._queue[0]) {
// the packet has already been acknowledged
return;
}
const hasError = err !== null;
if (hasError) {
if (packet.tryCount > this._opts.retries) {
debug("packet [%d] is discarded after %d tries", packet.id, packet.tryCount);
this._queue.shift();
if (packet.ack) {
packet.ack(err);
}
}
}
else {
debug("packet [%d] was successfully sent", packet.id);
this._queue.shift();
if (packet.ack) {
packet.ack(null, ...responseArgs);
}
}
packet.pending = false;
return this._drainQueue();
});
this.emit.apply(this, packet.args);
this.ids = currentId; // restore offset
}
/**
* Sends a packet.

@@ -295,10 +404,24 @@ *

this.auth((data) => {
this.packet({ type: socket_io_parser_1.PacketType.CONNECT, data });
this._sendConnectPacket(data);
});
}
else {
this.packet({ type: socket_io_parser_1.PacketType.CONNECT, data: this.auth });
this._sendConnectPacket(this.auth);
}
}
/**
* Sends a CONNECT packet to initiate the Socket.IO session.
*
* @param data
* @private
*/
_sendConnectPacket(data) {
this.packet({
type: socket_io_parser_1.PacketType.CONNECT,
data: this._pid
? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)
: data,
});
}
/**
* Called upon engine or manager `error`.

@@ -340,4 +463,3 @@ *

if (packet.data && packet.data.sid) {
const id = packet.data.sid;
this.onconnect(id);
this.onconnect(packet.data.sid, packet.data.pid);
}

@@ -396,2 +518,5 @@ else {

super.emit.apply(this, args);
if (this._pid && args.length && typeof args[args.length - 1] === "string") {
this._lastOffset = args[args.length - 1];
}
}

@@ -441,5 +566,7 @@ /**

*/
onconnect(id) {
onconnect(id, pid) {
debug("socket connected with id %s", id);
this.id = id;
this.recovered = pid && this._pid === pid;
this._pid = pid; // defined only if connection state recovery is enabled
this.connected = true;

@@ -446,0 +573,0 @@ this.emitBuffered();

4

build/cjs/url.js

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

const debug_1 = __importDefault(require("debug")); // debug()
const debug = debug_1.default("socket.io-client:url"); // debug()
const debug = (0, debug_1.default)("socket.io-client:url"); // debug()
/**

@@ -47,3 +47,3 @@ * URL parser.

debug("parse %s", uri);
obj = engine_io_client_1.parse(uri);
obj = (0, engine_io_client_1.parse)(uri);
}

@@ -50,0 +50,0 @@ // make sure we treat `localhost:80` and `localhost` equally

3

build/esm-debug/manager.js

@@ -239,2 +239,5 @@ import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client";

}
if (this._autoConnect) {
socket.connect();
}
return socket;

@@ -241,0 +244,0 @@ }

97

build/esm-debug/socket.d.ts
import { Packet } from "socket.io-parser";
import { Manager } from "./manager.js";
import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter";
declare type PrependTimeoutError<T extends any[]> = {
[K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K];
};
/**
* Utility type to decorate the acknowledgement callbacks with a timeout error.
*
* This is needed because the timeout() flag breaks the symmetry between the sender and the receiver:
*
* @example
* interface Events {
* "my-event": (val: string) => void;
* }
*
* socket.on("my-event", (cb) => {
* cb("123"); // one single argument here
* });
*
* socket.timeout(1000).emit("my-event", (err, val) => {
* // two arguments there (the "err" argument is not properly typed)
* });
*
*/
export declare type DecorateAcknowledgements<E> = {
[K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError<Params>) => Result : E[K];
};
export declare type Last<T extends any[]> = T extends [...infer H, infer L] ? L : any;
export declare type AllButLast<T extends any[]> = T extends [...infer H, infer L] ? H : any[];
export declare type FirstArg<T> = T extends (arg: infer Param) => infer Result ? Param : any;
export interface SocketOptions {

@@ -8,5 +36,16 @@ /**

*/
auth: {
auth?: {
[key: string]: any;
} | ((cb: (data: object) => void) => void);
/**
* The maximum number of retries. Above the limit, the packet will be discarded.
*
* Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a
* smaller value like 10 should be sufficient in practice.
*/
retries?: number;
/**
* The default timeout in milliseconds used when waiting for an acknowledgement.
*/
ackTimeout?: number;
}

@@ -62,2 +101,14 @@ export declare type DisconnectDescription = Error | {

/**
* The session ID used for connection state recovery, which must not be shared (unlike {@link id}).
*
* @private
*/
private _pid;
/**
* The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state.
*
* @private
*/
private _lastOffset;
/**
* Whether the socket is currently connected to the server.

@@ -78,2 +129,7 @@ *

/**
* Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will
* be transmitted by the server.
*/
recovered: boolean;
/**
* Credentials that are sent when accessing a namespace.

@@ -106,3 +162,11 @@ *

sendBuffer: Array<Packet>;
/**
* The queue of packets to be sent with retry in case of failure.
*
* Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.
* @private
*/
private _queue;
private readonly nsp;
private readonly _opts;
private ids;

@@ -211,2 +275,24 @@ private acks;

/**
* Emits an event and waits for an acknowledgement
*
* @example
* // without timeout
* const response = await socket.emitWithAck("hello", "world");
*
* // with a specific timeout
* try {
* const response = await socket.timeout(1000).emitWithAck("hello", "world");
* } catch (err) {
* // the server did not acknowledge the event in the given delay
* }
*
* @return a Promise that will be fulfilled when the server acknowledges the event
*/
emitWithAck<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: AllButLast<EventParams<EmitEvents, Ev>>): Promise<FirstArg<Last<EventParams<EmitEvents, Ev>>>>;
/**
* Send the first packet of the queue, and wait for an acknowledgement from the server.
* @private
*/
private _drainQueue;
/**
* Sends a packet.

@@ -225,2 +311,9 @@ *

/**
* Sends a CONNECT packet to initiate the Socket.IO session.
*
* @param data
* @private
*/
private _sendConnectPacket;
/**
* Called upon engine or manager `error`.

@@ -350,3 +443,3 @@ *

*/
timeout(timeout: number): this;
timeout(timeout: number): Socket<ListenEvents, DecorateAcknowledgements<EmitEvents>>;
/**

@@ -353,0 +446,0 @@ * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the

139

build/esm-debug/socket.js

@@ -65,2 +65,7 @@ import { PacketType } from "socket.io-parser";

/**
* Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will
* be transmitted by the server.
*/
this.recovered = false;
/**
* Buffer for packets received before the CONNECT packet

@@ -73,2 +78,9 @@ */

this.sendBuffer = [];
/**
* The queue of packets to be sent with retry in case of failure.
*
* Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.
* @private
*/
this._queue = [];
this.ids = 0;

@@ -82,2 +94,3 @@ this.acks = {};

}
this._opts = Object.assign({}, opts);
if (this.io._autoConnect)

@@ -207,2 +220,18 @@ this.open();

args.unshift(ev);
if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {
let ack;
if (typeof args[args.length - 1] === "function") {
ack = args.pop();
}
this._queue.push({
id: this.ids++,
tryCount: 0,
pending: false,
args,
ack,
flags: Object.assign({ fromQueue: true }, this.flags),
});
this._drainQueue();
return this;
}
const packet = {

@@ -243,3 +272,4 @@ type: PacketType.EVENT,

_registerAckCallback(id, ack) {
const timeout = this.flags.timeout;
var _a;
const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;
if (timeout === undefined) {

@@ -268,2 +298,81 @@ this.acks[id] = ack;

/**
* Emits an event and waits for an acknowledgement
*
* @example
* // without timeout
* const response = await socket.emitWithAck("hello", "world");
*
* // with a specific timeout
* try {
* const response = await socket.timeout(1000).emitWithAck("hello", "world");
* } catch (err) {
* // the server did not acknowledge the event in the given delay
* }
*
* @return a Promise that will be fulfilled when the server acknowledges the event
*/
emitWithAck(ev, ...args) {
// the timeout flag is optional
const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;
return new Promise((resolve, reject) => {
args.push((arg1, arg2) => {
if (withErr) {
return arg1 ? reject(arg1) : resolve(arg2);
}
else {
return resolve(arg1);
}
});
this.emit(ev, ...args);
});
}
/**
* Send the first packet of the queue, and wait for an acknowledgement from the server.
* @private
*/
_drainQueue() {
debug("draining queue");
if (this._queue.length === 0) {
return;
}
const packet = this._queue[0];
if (packet.pending) {
debug("packet [%d] has already been sent and is waiting for an ack", packet.id);
return;
}
packet.pending = true;
packet.tryCount++;
debug("sending packet [%d] (try n°%d)", packet.id, packet.tryCount);
const currentId = this.ids;
this.ids = packet.id; // the same id is reused for consecutive retries, in order to allow deduplication on the server side
this.flags = packet.flags;
packet.args.push((err, ...responseArgs) => {
if (packet !== this._queue[0]) {
// the packet has already been acknowledged
return;
}
const hasError = err !== null;
if (hasError) {
if (packet.tryCount > this._opts.retries) {
debug("packet [%d] is discarded after %d tries", packet.id, packet.tryCount);
this._queue.shift();
if (packet.ack) {
packet.ack(err);
}
}
}
else {
debug("packet [%d] was successfully sent", packet.id);
this._queue.shift();
if (packet.ack) {
packet.ack(null, ...responseArgs);
}
}
packet.pending = false;
return this._drainQueue();
});
this.emit.apply(this, packet.args);
this.ids = currentId; // restore offset
}
/**
* Sends a packet.

@@ -287,10 +396,24 @@ *

this.auth((data) => {
this.packet({ type: PacketType.CONNECT, data });
this._sendConnectPacket(data);
});
}
else {
this.packet({ type: PacketType.CONNECT, data: this.auth });
this._sendConnectPacket(this.auth);
}
}
/**
* Sends a CONNECT packet to initiate the Socket.IO session.
*
* @param data
* @private
*/
_sendConnectPacket(data) {
this.packet({
type: PacketType.CONNECT,
data: this._pid
? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)
: data,
});
}
/**
* Called upon engine or manager `error`.

@@ -332,4 +455,3 @@ *

if (packet.data && packet.data.sid) {
const id = packet.data.sid;
this.onconnect(id);
this.onconnect(packet.data.sid, packet.data.pid);
}

@@ -388,2 +510,5 @@ else {

super.emit.apply(this, args);
if (this._pid && args.length && typeof args[args.length - 1] === "string") {
this._lastOffset = args[args.length - 1];
}
}

@@ -433,5 +558,7 @@ /**

*/
onconnect(id) {
onconnect(id, pid) {
debug("socket connected with id %s", id);
this.id = id;
this.recovered = pid && this._pid === pid;
this._pid = pid; // defined only if connection state recovery is enabled
this.connected = true;

@@ -438,0 +565,0 @@ this.emitBuffered();

3

build/esm/manager.js

@@ -230,2 +230,5 @@ import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client";

}
if (this._autoConnect) {
socket.connect();
}
return socket;

@@ -232,0 +235,0 @@ }

97

build/esm/socket.d.ts
import { Packet } from "socket.io-parser";
import { Manager } from "./manager.js";
import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter";
declare type PrependTimeoutError<T extends any[]> = {
[K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K];
};
/**
* Utility type to decorate the acknowledgement callbacks with a timeout error.
*
* This is needed because the timeout() flag breaks the symmetry between the sender and the receiver:
*
* @example
* interface Events {
* "my-event": (val: string) => void;
* }
*
* socket.on("my-event", (cb) => {
* cb("123"); // one single argument here
* });
*
* socket.timeout(1000).emit("my-event", (err, val) => {
* // two arguments there (the "err" argument is not properly typed)
* });
*
*/
export declare type DecorateAcknowledgements<E> = {
[K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError<Params>) => Result : E[K];
};
export declare type Last<T extends any[]> = T extends [...infer H, infer L] ? L : any;
export declare type AllButLast<T extends any[]> = T extends [...infer H, infer L] ? H : any[];
export declare type FirstArg<T> = T extends (arg: infer Param) => infer Result ? Param : any;
export interface SocketOptions {

@@ -8,5 +36,16 @@ /**

*/
auth: {
auth?: {
[key: string]: any;
} | ((cb: (data: object) => void) => void);
/**
* The maximum number of retries. Above the limit, the packet will be discarded.
*
* Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a
* smaller value like 10 should be sufficient in practice.
*/
retries?: number;
/**
* The default timeout in milliseconds used when waiting for an acknowledgement.
*/
ackTimeout?: number;
}

@@ -62,2 +101,14 @@ export declare type DisconnectDescription = Error | {

/**
* The session ID used for connection state recovery, which must not be shared (unlike {@link id}).
*
* @private
*/
private _pid;
/**
* The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state.
*
* @private
*/
private _lastOffset;
/**
* Whether the socket is currently connected to the server.

@@ -78,2 +129,7 @@ *

/**
* Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will
* be transmitted by the server.
*/
recovered: boolean;
/**
* Credentials that are sent when accessing a namespace.

@@ -106,3 +162,11 @@ *

sendBuffer: Array<Packet>;
/**
* The queue of packets to be sent with retry in case of failure.
*
* Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.
* @private
*/
private _queue;
private readonly nsp;
private readonly _opts;
private ids;

@@ -211,2 +275,24 @@ private acks;

/**
* Emits an event and waits for an acknowledgement
*
* @example
* // without timeout
* const response = await socket.emitWithAck("hello", "world");
*
* // with a specific timeout
* try {
* const response = await socket.timeout(1000).emitWithAck("hello", "world");
* } catch (err) {
* // the server did not acknowledge the event in the given delay
* }
*
* @return a Promise that will be fulfilled when the server acknowledges the event
*/
emitWithAck<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: AllButLast<EventParams<EmitEvents, Ev>>): Promise<FirstArg<Last<EventParams<EmitEvents, Ev>>>>;
/**
* Send the first packet of the queue, and wait for an acknowledgement from the server.
* @private
*/
private _drainQueue;
/**
* Sends a packet.

@@ -225,2 +311,9 @@ *

/**
* Sends a CONNECT packet to initiate the Socket.IO session.
*
* @param data
* @private
*/
private _sendConnectPacket;
/**
* Called upon engine or manager `error`.

@@ -350,3 +443,3 @@ *

*/
timeout(timeout: number): this;
timeout(timeout: number): Socket<ListenEvents, DecorateAcknowledgements<EmitEvents>>;
/**

@@ -353,0 +446,0 @@ * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the

134

build/esm/socket.js

@@ -63,2 +63,7 @@ import { PacketType } from "socket.io-parser";

/**
* Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will
* be transmitted by the server.
*/
this.recovered = false;
/**
* Buffer for packets received before the CONNECT packet

@@ -71,2 +76,9 @@ */

this.sendBuffer = [];
/**
* The queue of packets to be sent with retry in case of failure.
*
* Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.
* @private
*/
this._queue = [];
this.ids = 0;

@@ -80,2 +92,3 @@ this.acks = {};

}
this._opts = Object.assign({}, opts);
if (this.io._autoConnect)

@@ -205,2 +218,18 @@ this.open();

args.unshift(ev);
if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {
let ack;
if (typeof args[args.length - 1] === "function") {
ack = args.pop();
}
this._queue.push({
id: this.ids++,
tryCount: 0,
pending: false,
args,
ack,
flags: Object.assign({ fromQueue: true }, this.flags),
});
this._drainQueue();
return this;
}
const packet = {

@@ -239,3 +268,4 @@ type: PacketType.EVENT,

_registerAckCallback(id, ack) {
const timeout = this.flags.timeout;
var _a;
const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;
if (timeout === undefined) {

@@ -262,2 +292,76 @@ this.acks[id] = ack;

/**
* Emits an event and waits for an acknowledgement
*
* @example
* // without timeout
* const response = await socket.emitWithAck("hello", "world");
*
* // with a specific timeout
* try {
* const response = await socket.timeout(1000).emitWithAck("hello", "world");
* } catch (err) {
* // the server did not acknowledge the event in the given delay
* }
*
* @return a Promise that will be fulfilled when the server acknowledges the event
*/
emitWithAck(ev, ...args) {
// the timeout flag is optional
const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;
return new Promise((resolve, reject) => {
args.push((arg1, arg2) => {
if (withErr) {
return arg1 ? reject(arg1) : resolve(arg2);
}
else {
return resolve(arg1);
}
});
this.emit(ev, ...args);
});
}
/**
* Send the first packet of the queue, and wait for an acknowledgement from the server.
* @private
*/
_drainQueue() {
if (this._queue.length === 0) {
return;
}
const packet = this._queue[0];
if (packet.pending) {
return;
}
packet.pending = true;
packet.tryCount++;
const currentId = this.ids;
this.ids = packet.id; // the same id is reused for consecutive retries, in order to allow deduplication on the server side
this.flags = packet.flags;
packet.args.push((err, ...responseArgs) => {
if (packet !== this._queue[0]) {
// the packet has already been acknowledged
return;
}
const hasError = err !== null;
if (hasError) {
if (packet.tryCount > this._opts.retries) {
this._queue.shift();
if (packet.ack) {
packet.ack(err);
}
}
}
else {
this._queue.shift();
if (packet.ack) {
packet.ack(null, ...responseArgs);
}
}
packet.pending = false;
return this._drainQueue();
});
this.emit.apply(this, packet.args);
this.ids = currentId; // restore offset
}
/**
* Sends a packet.

@@ -280,10 +384,24 @@ *

this.auth((data) => {
this.packet({ type: PacketType.CONNECT, data });
this._sendConnectPacket(data);
});
}
else {
this.packet({ type: PacketType.CONNECT, data: this.auth });
this._sendConnectPacket(this.auth);
}
}
/**
* Sends a CONNECT packet to initiate the Socket.IO session.
*
* @param data
* @private
*/
_sendConnectPacket(data) {
this.packet({
type: PacketType.CONNECT,
data: this._pid
? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)
: data,
});
}
/**
* Called upon engine or manager `error`.

@@ -324,4 +442,3 @@ *

if (packet.data && packet.data.sid) {
const id = packet.data.sid;
this.onconnect(id);
this.onconnect(packet.data.sid, packet.data.pid);
}

@@ -378,2 +495,5 @@ else {

super.emit.apply(this, args);
if (this._pid && args.length && typeof args[args.length - 1] === "string") {
this._lastOffset = args[args.length - 1];
}
}

@@ -420,4 +540,6 @@ /**

*/
onconnect(id) {
onconnect(id, pid) {
this.id = id;
this.recovered = pid && this._pid === pid;
this._pid = pid; // defined only if connection state recovery is enabled
this.connected = true;

@@ -424,0 +546,0 @@ this.emitBuffered();

6

dist/socket.io.esm.min.js
/*!
* Socket.IO v4.5.4
* (c) 2014-2022 Guillermo Rauch
* Socket.IO v4.6.0-alpha1
* (c) 2014-2023 Guillermo Rauch
* Released under the MIT License.
*/
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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.emitReserved("poll")}onData(t){((t,e)=>{const s=t.split(d),n=[];for(let t=0;t<s.length;t++){const i=p(s[t],e);if(n.push(i),"error"===i.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({description:"transport closed by the server"}),!1;this.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("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 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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=function(t){let e={},s=t.split("&");for(let t=0,n=s.length;t<n;t++){let n=s[t].split("=");e[decodeURIComponent(n[0])]=decodeURIComponent(n[1])}return e}(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,"function"==typeof addEventListener&&(this.opts.closeOnBeforeunload&&(this.beforeunloadEventListener=()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},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 M[t](s)}open(){let t;if(this.opts.rememberUpgrade&&K.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",(t=>this.onClose("transport close",t)))}probe(t){let e=this.createTransport(t),s=!1;K.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;K.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 i(){s||(s=!0,c(),e.close(),e=null)}const r=t=>{const s=new Error("probe error: "+t);s.transport=e.name,i(),this.emitReserved("upgradeError",s)};function o(){r("transport closed")}function h(){r("socket closed")}function a(t){e&&t.name!==e.name&&i()}const c=()=>{e.removeListener("open",n),e.removeListener("error",r),e.removeListener("close",o),this.off("close",h),this.off("upgrading",a)};e.once("open",n),e.once("error",r),e.once("close",o),this.once("close",h),this.once("upgrading",a),e.open()}onOpen(){if(this.readyState="open",K.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.maxPayload=t.maxPayload,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(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s<this.writeBuffer.length;s++){const n=this.writeBuffer[s].data;if(n&&(t+="string"==typeof(e=n)?function(t){let e=0,s=0;for(let n=0,i=t.length;n<i;n++)e=t.charCodeAt(n),e<128?s+=1:e<2048?s+=2:e<55296||e>=57344?s+=3:(n++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}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 i={type:t,data:e,options:s};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),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){K.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("beforeunload",this.beforeunloadEventListener,!1),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}}K.protocol=4;const Y="function"==typeof ArrayBuffer,z=Object.prototype.toString,W="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===z.call(Blob),$="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===z.call(File);function J(t){return Y&&(t instanceof ArrayBuffer||(t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer)(t))||W&&t instanceof Blob||$&&t instanceof File}function X(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e<s;e++)if(X(t[e]))return!0;return!1}if(J(t))return!0;if(t.toJSON&&"function"==typeof t.toJSON&&1===arguments.length)return X(t.toJSON(),!0);for(const e in t)if(Object.prototype.hasOwnProperty.call(t,e)&&X(t[e]))return!0;return!1}function G(t){const e=[],s=t.data,n=t;return n.data=Q(s,e),n.attachments=e.length,{packet:n,buffers:e}}function Q(t,e){if(!t)return t;if(J(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]=Q(t[n],e);return s}if("object"==typeof t&&!(t instanceof Date)){const s={};for(const n in t)Object.prototype.hasOwnProperty.call(t,n)&&(s[n]=Q(t[n],e));return s}return t}function Z(t,e){return t.data=tt(t.data,e),t.attachments=void 0,t}function tt(t,e){if(!t)return t;if(t&&!0===t._placeholder){if("number"==typeof t.num&&t.num>=0&&t.num<e.length)return e[t.num];throw new Error("illegal attachments")}if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]=tt(t[s],e);else if("object"==typeof t)for(const s in t)Object.prototype.hasOwnProperty.call(t,s)&&(t[s]=tt(t[s],e));return t}const et=5;var st;!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"}(st||(st={}));class nt extends f{constructor(t){super(),this.reviver=t}add(t){let e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");e=this.decodeString(t),e.type===st.BINARY_EVENT||e.type===st.BINARY_ACK?(this.reconstructor=new it(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e)}else{if(!J(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===st[s.type])throw new Error("unknown packet type "+s.type);if(s.type===st.BINARY_EVENT||s.type===st.BINARY_ACK){const n=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const i=t.substring(n,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(i)}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=this.tryParse(t.substr(e));if(!nt.isPayloadValid(s.type,n))throw new Error("invalid payload");s.data=n}return s}tryParse(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}static isPayloadValid(t,e){switch(t){case st.CONNECT:return"object"==typeof e;case st.DISCONNECT:return void 0===e;case st.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case st.EVENT:case st.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case st.ACK:case st.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}class it{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=Z(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var rt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return st},Encoder:class{constructor(t){this.replacer=t}encode(t){return t.type!==st.EVENT&&t.type!==st.ACK||!X(t)?[this.encodeAsString(t)]:(t.type=t.type===st.EVENT?st.BINARY_EVENT:st.BINARY_ACK,this.encodeAsBinary(t))}encodeAsString(t){let e=""+t.type;return t.type!==st.BINARY_EVENT&&t.type!==st.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,this.replacer)),e}encodeAsBinary(t){const e=G(t),s=this.encodeAsString(e.packet),n=e.buffers;return n.unshift(s),n}},Decoder:nt});function ot(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ht=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class at extends f{constructor(t,e,s){super(),this.connected=!1,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()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const t=this.io;this.subs=[ot(t,"open",this.onopen.bind(this)),ot(t,"packet",this.onpacket.bind(this)),ot(t,"error",this.onerror.bind(this)),ot(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(ht.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');e.unshift(t);const s={type:st.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.notifyOutgoingListeners(s),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:st.CONNECT,data:t})})):this.packet({type:st.CONNECT,data:this.auth})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case st.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 st.EVENT:case st.BINARY_EVENT:this.onevent(t);break;case st.ACK:case st.BINARY_ACK:this.onack(t);break;case st.DISCONNECT:this.ondisconnect();break;case st.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:st.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.emitBuffered(),this.emitReserved("connect")}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(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:st.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||[]}onAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}prependAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}offAnyOutgoing(t){if(!this._anyOutgoingListeners)return this;if(t){const e=this._anyOutgoingListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const e=this._anyOutgoingListeners.slice();for(const s of e)s.apply(this,t.data)}}}function ct(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}ct.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)},ct.prototype.reset=function(){this.attempts=0},ct.prototype.setMin=function(t){this.ms=t},ct.prototype.setMax=function(t){this.max=t},ct.prototype.setJitter=function(t){this.jitter=t};class pt extends f{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,v(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 ct({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||rt;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 K(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=ot(e,"open",(function(){s.onopen(),t&&t()})),i=ot(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(i),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(ot(t,"ping",this.onping.bind(this)),ot(t,"data",this.ondata.bind(this)),ot(t,"error",this.onerror.bind(this)),ot(t,"close",this.onclose.bind(this)),ot(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}ondecoded(t){I((()=>{this.emitReserved("packet",t)}),this.setTimeoutFn)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s||(s=new at(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,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),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 ut={};function lt(t,e){"object"==typeof t&&(e=t,t=void 0);const s=function(t,e="",s){let n=t;s=s||"undefined"!=typeof location&&location,null==t&&(t=s.protocol+"//"+s.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?s.protocol+t:s.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==s?s.protocol+"//"+t:"https://"+t),n=H(t)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";const i=-1!==n.host.indexOf(":")?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+i+":"+n.port+e,n.href=n.protocol+"://"+i+(s&&s.port===n.port?"":":"+n.port),n}(t,(e=e||{}).path||"/socket.io"),n=s.source,i=s.id,r=s.path,o=ut[i]&&r in ut[i].nsps;let h;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?h=new pt(n,e):(ut[i]||(ut[i]=new pt(n,e)),h=ut[i]),s.query&&!e.query&&(e.query=s.queryKey),h.socket(s.path,e)}Object.assign(lt,{Manager:pt,Socket:at,io:lt,connect:lt});export{pt as Manager,at as Socket,lt as connect,lt as default,lt as io,et as protocol};
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this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},f.prototype.hasListeners=function(t){return!!this.listeners(t).length};const y="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")();function g(t,...e){return e.reduce(((e,s)=>(t.hasOwnProperty(s)&&(e[s]=t[s]),e)),{})}const m=y.setTimeout,b=y.clearTimeout;function v(t,e){e.useNativeTimers?(t.setTimeoutFn=m.bind(y),t.clearTimeoutFn=b.bind(y)):(t.setTimeoutFn=y.setTimeout.bind(y),t.clearTimeoutFn=y.clearTimeout.bind(y))}class k extends Error{constructor(t,e,s){super(t),this.description=e,this.context=s,this.type="TransportError"}}class w extends f{constructor(t){super(),this.writable=!1,v(this,t),this.opts=t,this.query=t.query,this.socket=t.socket}onError(t,e,s){return super.emitReserved("error",new k(t,e,s)),this}open(){return 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i}(0,r.path),r.queryKey=function(t,e){const s={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,i){e&&(s[e]=i)})),s}(0,r.query),r}class K extends f{constructor(t,e={}){super(),this.writeBuffer=[],t&&"object"==typeof t&&(e=t,t=null),t?(t=H(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=H(e.host).host),v(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.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},e),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),"string"==typeof this.opts.query&&(this.opts.query=function(t){let e={},s=t.split("&");for(let t=0,i=s.length;t<i;t++){let i=s[t].split("=");e[decodeURIComponent(i[0])]=decodeURIComponent(i[1])}return e}(this.opts.query)),this.id=null,this.upgrades=null,this.pingInterval=null,this.pingTimeout=null,this.pingTimeoutTimer=null,"function"==typeof addEventListener&&(this.opts.closeOnBeforeunload&&(this.beforeunloadEventListener=()=>{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},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 M[t](s)}open(){let t;if(this.opts.rememberUpgrade&&K.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.emitReserved("error","No transports 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error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function n(){s||(s=!0,c(),e.close(),e=null)}const r=t=>{const s=new Error("probe error: "+t);s.transport=e.name,n(),this.emitReserved("upgradeError",s)};function o(){r("transport closed")}function h(){r("socket closed")}function a(t){e&&t.name!==e.name&&n()}const c=()=>{e.removeListener("open",i),e.removeListener("error",r),e.removeListener("close",o),this.off("close",h),this.off("upgrading",a)};e.once("open",i),e.once("error",r),e.once("close",o),this.once("close",h),this.once("upgrading",a),e.open()}onOpen(){if(this.readyState="open",K.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade){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.maxPayload=t.maxPayload,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(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s<this.writeBuffer.length;s++){const i=this.writeBuffer[s].data;if(i&&(t+="string"==typeof(e=i)?function(t){let e=0,s=0;for(let i=0,n=t.length;i<n;i++)e=t.charCodeAt(i),e<128?s+=1:e<2048?s+=2:e<55296||e>=57344?s+=3:(i++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}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,i){if("function"==typeof e&&(i=e,e=void 0),"function"==typeof s&&(i=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const n={type:t,data:e,options:s};this.emitReserved("packetCreate",n),this.writeBuffer.push(n),i&&this.once("flush",i),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){K.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("beforeunload",this.beforeunloadEventListener,!1),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 i=t.length;for(;s<i;s++)~this.transports.indexOf(t[s])&&e.push(t[s]);return e}}K.protocol=4;const Y="function"==typeof ArrayBuffer,z=Object.prototype.toString,W="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===z.call(Blob),$="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===z.call(File);function J(t){return Y&&(t instanceof ArrayBuffer||(t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer)(t))||W&&t instanceof Blob||$&&t instanceof File}function X(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e<s;e++)if(X(t[e]))return!0;return!1}if(J(t))return!0;if(t.toJSON&&"function"==typeof t.toJSON&&1===arguments.length)return X(t.toJSON(),!0);for(const e in t)if(Object.prototype.hasOwnProperty.call(t,e)&&X(t[e]))return!0;return!1}function Q(t){const e=[],s=t.data,i=t;return i.data=G(s,e),i.attachments=e.length,{packet:i,buffers:e}}function G(t,e){if(!t)return t;if(J(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 i=0;i<t.length;i++)s[i]=G(t[i],e);return s}if("object"==typeof t&&!(t instanceof Date)){const s={};for(const i in t)Object.prototype.hasOwnProperty.call(t,i)&&(s[i]=G(t[i],e));return s}return t}function Z(t,e){return t.data=tt(t.data,e),delete t.attachments,t}function tt(t,e){if(!t)return t;if(t&&!0===t._placeholder){if("number"==typeof t.num&&t.num>=0&&t.num<e.length)return e[t.num];throw new Error("illegal attachments")}if(Array.isArray(t))for(let s=0;s<t.length;s++)t[s]=tt(t[s],e);else if("object"==typeof t)for(const s in t)Object.prototype.hasOwnProperty.call(t,s)&&(t[s]=tt(t[s],e));return t}const et=5;var st;!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"}(st||(st={}));class it extends f{constructor(t){super(),this.reviver=t}add(t){let e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");e=this.decodeString(t);const s=e.type===st.BINARY_EVENT;s||e.type===st.BINARY_ACK?(e.type=s?st.EVENT:st.ACK,this.reconstructor=new nt(e),0===e.attachments&&super.emitReserved("decoded",e)):super.emitReserved("decoded",e)}else{if(!J(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===st[s.type])throw new Error("unknown packet type "+s.type);if(s.type===st.BINARY_EVENT||s.type===st.BINARY_ACK){const i=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const n=t.substring(i,e);if(n!=Number(n)||"-"!==t.charAt(e))throw new Error("Illegal attachments");s.attachments=Number(n)}if("/"===t.charAt(e+1)){const i=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}s.nsp=t.substring(i,e)}else s.nsp="/";const i=t.charAt(e+1);if(""!==i&&Number(i)==i){const i=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(i,e+1))}if(t.charAt(++e)){const i=this.tryParse(t.substr(e));if(!it.isPayloadValid(s.type,i))throw new Error("invalid payload");s.data=i}return s}tryParse(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}static isPayloadValid(t,e){switch(t){case st.CONNECT:return"object"==typeof e;case st.DISCONNECT:return void 0===e;case st.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case st.EVENT:case st.BINARY_EVENT:return Array.isArray(e)&&e.length>0;case st.ACK:case st.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}class nt{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=Z(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}var rt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return st},Encoder:class{constructor(t){this.replacer=t}encode(t){return t.type!==st.EVENT&&t.type!==st.ACK||!X(t)?[this.encodeAsString(t)]:this.encodeAsBinary({type:t.type===st.EVENT?st.BINARY_EVENT:st.BINARY_ACK,nsp:t.nsp,data:t.data,id:t.id})}encodeAsString(t){let e=""+t.type;return t.type!==st.BINARY_EVENT&&t.type!==st.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,this.replacer)),e}encodeAsBinary(t){const e=Q(t),s=this.encodeAsString(e.packet),i=e.buffers;return i.unshift(s),i}},Decoder:it});function ot(t,e,s){return t.on(e,s),function(){t.off(e,s)}}const ht=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class at extends f{constructor(t,e,s){super(),this.connected=!1,this.recovered=!1,this.receiveBuffer=[],this.sendBuffer=[],this._queue=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this._opts=Object.assign({},s),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const t=this.io;this.subs=[ot(t,"open",this.onopen.bind(this)),ot(t,"packet",this.onpacket.bind(this)),ot(t,"error",this.onerror.bind(this)),ot(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(ht.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');if(e.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile){let t;return"function"==typeof e[e.length-1]&&(t=e.pop()),this._queue.push({id:this.ids++,tryCount:0,pending:!1,args:e,ack:t,flags:Object.assign({fromQueue:!0},this.flags)}),this._drainQueue(),this}const s={type:st.EVENT,data:e,options:{}};if(s.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]){const t=this.ids++,i=e.pop();this._registerAckCallback(t,i),s.id=t}const i=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!i||!this.connected)||(this.connected?(this.notifyOutgoingListeners(s),this.packet(s)):this.sendBuffer.push(s)),this.flags={},this}_registerAckCallback(t,e){var s;const i=null!==(s=this.flags.timeout)&&void 0!==s?s:this._opts.ackTimeout;if(void 0===i)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"))}),i);this.acks[t]=(...t)=>{this.io.clearTimeoutFn(n),e.apply(this,[null,...t])}}emitWithAck(t,...e){const s=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise(((i,n)=>{e.push(((t,e)=>s?t?n(t):i(e):i(t))),this.emit(t,...e)}))}_drainQueue(){if(0===this._queue.length)return;const t=this._queue[0];if(t.pending)return;t.pending=!0,t.tryCount++;const e=this.ids;this.ids=t.id,this.flags=t.flags,t.args.push(((e,...s)=>{if(t!==this._queue[0])return;return null!==e?t.tryCount>this._opts.retries&&(this._queue.shift(),t.ack&&t.ack(e)):(this._queue.shift(),t.ack&&t.ack(null,...s)),t.pending=!1,this._drainQueue()})),this.emit.apply(this,t.args),this.ids=e}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this._sendConnectPacket(t)})):this._sendConnectPacket(this.auth)}_sendConnectPacket(t){this.packet({type:st.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},t):t})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case st.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):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 st.EVENT:case st.BINARY_EVENT:this.onevent(t);break;case st.ACK:case st.BINARY_ACK:this.onack(t);break;case st.DISCONNECT:this.ondisconnect();break;case st.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),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}ack(t){const e=this;let s=!1;return function(...i){s||(s=!0,e.packet({type:st.ACK,id:t,data:i}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(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:st.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||[]}onAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}prependAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}offAnyOutgoing(t){if(!this._anyOutgoingListeners)return this;if(t){const e=this._anyOutgoingListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const e=this._anyOutgoingListeners.slice();for(const s of e)s.apply(this,t.data)}}}function ct(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}ct.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)},ct.prototype.reset=function(){this.attempts=0},ct.prototype.setMin=function(t){this.ms=t},ct.prototype.setMax=function(t){this.max=t},ct.prototype.setJitter=function(t){this.jitter=t};class pt extends f{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,v(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 ct({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const i=e.parser||rt;this.encoder=new i.Encoder,this.decoder=new i.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 K(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const i=ot(e,"open",(function(){s.onopen(),t&&t()})),n=ot(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&&i();const s=this.setTimeoutFn((()=>{i(),e.close(),e.emit("error",new Error("timeout"))}),t);this.opts.autoUnref&&s.unref(),this.subs.push((function(){clearTimeout(s)}))}return this.subs.push(i),this.subs.push(n),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(ot(t,"ping",this.onping.bind(this)),ot(t,"data",this.ondata.bind(this)),ot(t,"error",this.onerror.bind(this)),ot(t,"close",this.onclose.bind(this)),ot(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}ondecoded(t){I((()=>{this.emitReserved("packet",t)}),this.setTimeoutFn)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s||(s=new at(this,t,e),this.nsps[t]=s),this._autoConnect&&s.connect(),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,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),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 ut={};function lt(t,e){"object"==typeof t&&(e=t,t=void 0);const s=function(t,e="",s){let i=t;s=s||"undefined"!=typeof location&&location,null==t&&(t=s.protocol+"//"+s.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?s.protocol+t:s.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==s?s.protocol+"//"+t:"https://"+t),i=H(t)),i.port||(/^(http|ws)$/.test(i.protocol)?i.port="80":/^(http|ws)s$/.test(i.protocol)&&(i.port="443")),i.path=i.path||"/";const n=-1!==i.host.indexOf(":")?"["+i.host+"]":i.host;return i.id=i.protocol+"://"+n+":"+i.port+e,i.href=i.protocol+"://"+n+(s&&s.port===i.port?"":":"+i.port),i}(t,(e=e||{}).path||"/socket.io"),i=s.source,n=s.id,r=s.path,o=ut[n]&&r in ut[n].nsps;let h;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?h=new pt(i,e):(ut[n]||(ut[n]=new pt(i,e)),h=ut[n]),s.query&&!e.query&&(e.query=s.queryKey),h.socket(s.path,e)}Object.assign(lt,{Manager:pt,Socket:at,io:lt,connect:lt});export{pt as Manager,at as Socket,lt as connect,lt as default,lt as io,et as protocol};
//# sourceMappingURL=socket.io.esm.min.js.map

6

dist/socket.io.min.js
/*!
* Socket.IO v4.5.4
* (c) 2014-2022 Guillermo Rauch
* Socket.IO v4.6.0-alpha1
* (c) 2014-2023 Guillermo Rauch
* Released under the MIT License.
*/
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e(this,a),r=s.call(this),n&&"object"===t(n)&&(o=n,n=null),n?(n=ft(n),o.hostname=n.host,o.secure="https"===n.protocol||"wss"===n.protocol,o.port=n.port,n.query&&(o.query=n.query)):o.host&&(o.hostname=ft(o.host).host),D(f(r),o),r.secure=null!=o.secure?o.secure:"undefined"!=typeof location&&"https:"===location.protocol,o.hostname&&!o.port&&(o.port=r.secure?"443":"80"),r.hostname=o.hostname||("undefined"!=typeof location?location.hostname:"localhost"),r.port=o.port||("undefined"!=typeof location&&location.port?location.port:r.secure?"443":"80"),r.transports=o.transports||["polling","websocket"],r.readyState="",r.writeBuffer=[],r.prevBufferLen=0,r.opts=i({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},o),r.opts.path=r.opts.path.replace(/\/$/,"")+"/","string"==typeof r.opts.query&&(r.opts.query=J(r.opts.query)),r.id=null,r.upgrades=null,r.pingInterval=null,r.pingTimeout=null,r.pingTimeoutTimer=null,"function"==typeof addEventListener&&(r.opts.closeOnBeforeunload&&(r.beforeunloadEventListener=function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())},addEventListener("beforeunload",r.beforeunloadEventListener,!1)),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=i({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=i({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ct[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function 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 u(){s("socket closed")}function h(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",u),e.off("upgrading",h)};n.once("open",i),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.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),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}(L);lt.protocol=4,lt.protocol;var pt="function"==typeof ArrayBuffer,dt=Object.prototype.toString,yt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===dt.call(Blob),vt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===dt.call(File);function gt(t){return pt&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||yt&&t instanceof Blob||vt&&t instanceof File}function mt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,i=e.length;r<i;r++)if(mt(e[r]))return!0;return!1}if(gt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return mt(e.toJSON(),!0);for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)&&mt(e[o]))return!0;return!1}function bt(t){var e=[],n=t.data,r=t;return r.data=kt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function kt(e,n){if(!e)return e;if(gt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var i=new Array(e.length),o=0;o<e.length;o++)i[o]=kt(e[o],n);return i}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)Object.prototype.hasOwnProperty.call(e,a)&&(s[a]=kt(e[a],n));return s}return e}function wt(t,e){return t.data=_t(t.data,e),t.attachments=void 0,t}function _t(e,n){if(!e)return e;if(e&&!0===e._placeholder){if("number"==typeof e.num&&e.num>=0&&e.num<n.length)return n[e.num];throw new Error("illegal attachments")}if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=_t(e[r],n);else if("object"===t(e))for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(e[i]=_t(e[i],n));return e}var Et;!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"}(Et||(Et={}));var Ot=function(){function t(n){e(this,t),this.replacer=n}return r(t,[{key:"encode",value:function(t){return t.type!==Et.EVENT&&t.type!==Et.ACK||!mt(t)?[this.encodeAsString(t)]:(t.type=t.type===Et.EVENT?Et.BINARY_EVENT:Et.BINARY_ACK,this.encodeAsBinary(t))}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==Et.BINARY_EVENT&&t.type!==Et.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,this.replacer)),e}},{key:"encodeAsBinary",value:function(t){var e=bt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}(),At=function(n){o(a,n);var i=p(a);function a(t){var n;return e(this,a),(n=i.call(this)).reviver=t,n}return r(a,[{key:"add",value:function(t){var e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");(e=this.decodeString(t)).type===Et.BINARY_EVENT||e.type===Et.BINARY_ACK?(this.reconstructor=new Rt(e),0===e.attachments&&y(s(a.prototype),"emitReserved",this).call(this,"decoded",e)):y(s(a.prototype),"emitReserved",this).call(this,"decoded",e)}else{if(!gt(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,y(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===Et[n.type])throw new Error("unknown packet type "+n.type);if(n.type===Et.BINARY_EVENT||n.type===Et.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var i=t.substring(r,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(i)}if("/"===t.charAt(e+1)){for(var o=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(o,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=this.tryParse(t.substr(e));if(!a.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"tryParse",value:function(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}},{key:"destroy",value:function(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}],[{key:"isPayloadValid",value:function(e,n){switch(e){case Et.CONNECT:return"object"===t(n);case Et.DISCONNECT:return void 0===n;case Et.CONNECT_ERROR:return"string"==typeof n||"object"===t(n);case Et.EVENT:case Et.BINARY_EVENT:return Array.isArray(n)&&n.length>0;case Et.ACK:case Et.BINARY_ACK:return Array.isArray(n)}}}]),a}(L),Rt=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=wt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),Tt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return Et},Encoder:Ot,Decoder:At});function Ct(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}),St=function(t){o(i,t);var n=p(i);function i(t,r,o){var s;return e(this,i),(s=n.call(this)).connected=!1,s.receiveBuffer=[],s.sendBuffer=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,o&&o.auth&&(s.auth=o.auth),s.io._autoConnect&&s.open(),s}return r(i,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Ct(t,"open",this.onopen.bind(this)),Ct(t,"packet",this.onpacket.bind(this)),Ct(t,"error",this.onerror.bind(this)),Ct(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.toString()+'" 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:Et.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.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var i=this.io.setTimeoutFn((function(){delete n.acks[t];for(var r=0;r<n.sendBuffer.length;r++)n.sendBuffer[r].id===t&&n.sendBuffer.splice(r,1);e.call(n,new Error("operation has timed out"))}),r);this.acks[t]=function(){n.io.clearTimeoutFn(i);for(var t=arguments.length,r=new Array(t),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:Et.CONNECT,data:e})})):this.packet({type:Et.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case Et.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 Et.EVENT:case Et.BINARY_EVENT:this.onevent(t);break;case Et.ACK:case Et.BINARY_ACK:this.onack(t);break;case Et.DISCONNECT:this.ondisconnect();break;case Et.CONNECT_ERROR:this.destroy();var n=new Error(t.data.message);n.data=t.data.data,this.emitReserved("connect_error",n)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=g(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}y(s(i.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:Et.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t){this.id=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:Et.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=g(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),i}(L);function Nt(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}Nt.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)},Nt.prototype.reset=function(){this.attempts=0},Nt.prototype.setMin=function(t){this.ms=t},Nt.prototype.setMax=function(t){this.max=t},Nt.prototype.setJitter=function(t){this.jitter=t};var xt=function(n){o(s,n);var i=p(s);function s(n,r){var o,a;e(this,s),(o=i.call(this)).nsps={},o.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",o.opts=r,D(f(o),r),o.reconnection(!1!==r.reconnection),o.reconnectionAttempts(r.reconnectionAttempts||1/0),o.reconnectionDelay(r.reconnectionDelay||1e3),o.reconnectionDelayMax(r.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new Nt({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==r.timeout?2e4:r.timeout),o._readyState="closed",o.uri=n;var c=r.parser||Tt;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==r.autoConnect,o._autoConnect&&o.open(),o}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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t=this.engine;this.subs.push(Ct(t,"ping",this.onping.bind(this)),Ct(t,"data",this.ondata.bind(this)),Ct(t,"error",this.onerror.bind(this)),Ct(t,"close",this.onclose.bind(this)),Ct(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;it((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new St(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 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server"}),!1;e.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}},{key:"doClose",value:function(){var t=this,e=function(){t.write([{type:"close"}])};"open"===this.readyState?e():this.once("open",e)}},{key:"write",value:function(t){var e=this;this.writable=!1,function(t,e){var n=t.length,r=new Array(n),i=0;t.forEach((function(t,o){E(t,!1,(function(t){r[o]=t,++i===n&&e(r.join(x))}))}))}(t,(function(t){e.doWrite(t,(function(){e.writable=!0,e.emitReserved("drain")}))}))}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"https":"http",n="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=W()),this.supportsBinary||t.sid||(t.b64=1),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port);var r=$(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"request",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return i(t,{xd:this.xd,xs:this.xs},this.opts),new nt(this.uri(),t)}},{key:"doWrite",value:function(t,e){var n=this,r=this.request({method:"POST",data:t});r.on("success",e),r.on("error",(function(t,e){n.onError("xhr post error",t,e)}))}},{key:"doPoll",value:function(){var t=this,e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(function(e,n){t.onError("xhr poll error",e,n)})),this.pollXhr=e}}]),s}(U),nt=function(t){o(i,t);var n=p(i);function i(t,r){var o;return e(this,i),D(f(o=n.call(this)),r),o.opts=r,o.method=r.method||"GET",o.uri=t,o.async=!1!==r.async,o.data=void 0!==r.data?r.data:null,o.create(),o}return r(i,[{key:"create",value:function(){var t=this,e=j(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 G(e);try{n.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders)for(var r in n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0),this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(r)&&n.setRequestHeader(r,this.opts.extraHeaders[r])}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=i.requestsCount++,i.requests[this.index]=this)}},{key:"onError",value:function(t){this.emitReserved("error",t,this.xhr),this.cleanup(!0)}},{key:"cleanup",value:function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=Z,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete i.requests[this.index],this.xhr=null}}},{key:"onLoad",value:function(){var t=this.xhr.responseText;null!==t&&(this.emitReserved("data",t),this.emitReserved("success"),this.cleanup())}},{key:"abort",value:function(){this.cleanup()}}]),i}(L);if(nt.requestsCount=0,nt.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",rt);else if("function"==typeof addEventListener){addEventListener("onpagehide"in P?"pagehide":"unload",rt,!1)}function rt(){for(var t in nt.requests)nt.requests.hasOwnProperty(t)&&nt.requests[t].abort()}var it="function"==typeof Promise&&"function"==typeof Promise.resolve?function(t){return Promise.resolve().then(t)}:function(t,e){return e(t,0)},ot=P.WebSocket||P.MozWebSocket,st="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),at=function(t){o(i,t);var n=p(i);function i(t){var r;return e(this,i),(r=n.call(this,t)).supportsBinary=!t.forceBase64,r}return r(i,[{key:"name",get:function(){return"websocket"}},{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=st?{}:j(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 ot(t,e,n):e?new ot(t,e):new ot(t)}catch(t){return this.emitReserved("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=function(e){return t.onClose({description:"websocket connection closed",context:e})},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;E(r,e.supportsBinary,(function(t){try{e.ws.send(t)}catch(t){}i&&it((function(){e.writable=!0,e.emitReserved("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]=W()),this.supportsBinary||(t.b64=1);var r=$(t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(r.length?"?"+r:"")}},{key:"check",value:function(){return!!ot}}]),i}(U),ct={websocket:at,polling:et},ut=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,ht=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function ft(t){var e=t,n=t.indexOf("["),r=t.indexOf("]");-1!=n&&-1!=r&&(t=t.substring(0,n)+t.substring(n,r).replace(/:/g,";")+t.substring(r,t.length));for(var i,o,s=ut.exec(t||""),a={},c=14;c--;)a[ht[c]]=s[c]||"";return-1!=n&&-1!=r&&(a.source=e,a.host=a.host.substring(1,a.host.length-1).replace(/;/g,":"),a.authority=a.authority.replace("[","").replace("]","").replace(/;/g,":"),a.ipv6uri=!0),a.pathNames=function(t,e){var n=/\/{2,9}/g,r=e.replace(n,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||r.splice(0,1);"/"==e.slice(-1)&&r.splice(r.length-1,1);return r}(0,a.path),a.queryKey=(i=a.query,o={},i.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(o[e]=n)})),o),a}var lt=function(n){o(a,n);var s=p(a);function a(n){var r,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return e(this,a),(r=s.call(this)).writeBuffer=[],n&&"object"===t(n)&&(o=n,n=null),n?(n=ft(n),o.hostname=n.host,o.secure="https"===n.protocol||"wss"===n.protocol,o.port=n.port,n.query&&(o.query=n.query)):o.host&&(o.hostname=ft(o.host).host),D(f(r),o),r.secure=null!=o.secure?o.secure:"undefined"!=typeof location&&"https:"===location.protocol,o.hostname&&!o.port&&(o.port=r.secure?"443":"80"),r.hostname=o.hostname||("undefined"!=typeof location?location.hostname:"localhost"),r.port=o.port||("undefined"!=typeof location&&location.port?location.port:r.secure?"443":"80"),r.transports=o.transports||["polling","websocket"],r.writeBuffer=[],r.prevBufferLen=0,r.opts=i({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!0},o),r.opts.path=r.opts.path.replace(/\/$/,"")+(r.opts.addTrailingSlash?"/":""),"string"==typeof r.opts.query&&(r.opts.query=J(r.opts.query)),r.id=null,r.upgrades=null,r.pingInterval=null,r.pingTimeout=null,r.pingTimeoutTimer=null,"function"==typeof addEventListener&&(r.opts.closeOnBeforeunload&&(r.beforeunloadEventListener=function(){r.transport&&(r.transport.removeAllListeners(),r.transport.close())},addEventListener("beforeunload",r.beforeunloadEventListener,!1)),"localhost"!==r.hostname&&(r.offlineEventListener=function(){r.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",r.offlineEventListener,!1))),r.open(),r}return r(a,[{key:"createTransport",value:function(t){var e=i({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);var n=i({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return new ct[t](n)}},{key:"open",value:function(){var t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function 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 u(){s("socket closed")}function h(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",u),e.off("upgrading",h)};n.once("open",i),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)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),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}(L);lt.protocol=4,lt.protocol;var pt="function"==typeof ArrayBuffer,dt=Object.prototype.toString,yt="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===dt.call(Blob),vt="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===dt.call(File);function gt(t){return pt&&(t instanceof ArrayBuffer||function(t){return"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer}(t))||yt&&t instanceof Blob||vt&&t instanceof File}function mt(e,n){if(!e||"object"!==t(e))return!1;if(Array.isArray(e)){for(var r=0,i=e.length;r<i;r++)if(mt(e[r]))return!0;return!1}if(gt(e))return!0;if(e.toJSON&&"function"==typeof e.toJSON&&1===arguments.length)return mt(e.toJSON(),!0);for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)&&mt(e[o]))return!0;return!1}function kt(t){var e=[],n=t.data,r=t;return r.data=bt(n,e),r.attachments=e.length,{packet:r,buffers:e}}function bt(e,n){if(!e)return e;if(gt(e)){var r={_placeholder:!0,num:n.length};return n.push(e),r}if(Array.isArray(e)){for(var i=new Array(e.length),o=0;o<e.length;o++)i[o]=bt(e[o],n);return i}if("object"===t(e)&&!(e instanceof Date)){var s={};for(var a in e)Object.prototype.hasOwnProperty.call(e,a)&&(s[a]=bt(e[a],n));return s}return e}function wt(t,e){return t.data=_t(t.data,e),delete t.attachments,t}function _t(e,n){if(!e)return e;if(e&&!0===e._placeholder){if("number"==typeof e.num&&e.num>=0&&e.num<n.length)return n[e.num];throw new Error("illegal attachments")}if(Array.isArray(e))for(var r=0;r<e.length;r++)e[r]=_t(e[r],n);else if("object"===t(e))for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(e[i]=_t(e[i],n));return e}var Et;!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"}(Et||(Et={}));var Ot=function(){function t(n){e(this,t),this.replacer=n}return r(t,[{key:"encode",value:function(t){return t.type!==Et.EVENT&&t.type!==Et.ACK||!mt(t)?[this.encodeAsString(t)]:this.encodeAsBinary({type:t.type===Et.EVENT?Et.BINARY_EVENT:Et.BINARY_ACK,nsp:t.nsp,data:t.data,id:t.id})}},{key:"encodeAsString",value:function(t){var e=""+t.type;return t.type!==Et.BINARY_EVENT&&t.type!==Et.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,this.replacer)),e}},{key:"encodeAsBinary",value:function(t){var e=kt(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}}]),t}(),At=function(n){o(a,n);var i=p(a);function a(t){var n;return e(this,a),(n=i.call(this)).reviver=t,n}return r(a,[{key:"add",value:function(t){var e;if("string"==typeof t){if(this.reconstructor)throw new Error("got plaintext data when reconstructing a packet");var n=(e=this.decodeString(t)).type===Et.BINARY_EVENT;n||e.type===Et.BINARY_ACK?(e.type=n?Et.EVENT:Et.ACK,this.reconstructor=new Rt(e),0===e.attachments&&y(s(a.prototype),"emitReserved",this).call(this,"decoded",e)):y(s(a.prototype),"emitReserved",this).call(this,"decoded",e)}else{if(!gt(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,y(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===Et[n.type])throw new Error("unknown packet type "+n.type);if(n.type===Et.BINARY_EVENT||n.type===Et.BINARY_ACK){for(var r=e+1;"-"!==t.charAt(++e)&&e!=t.length;);var i=t.substring(r,e);if(i!=Number(i)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(i)}if("/"===t.charAt(e+1)){for(var o=e+1;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(o,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=this.tryParse(t.substr(e));if(!a.isPayloadValid(n.type,h))throw new Error("invalid payload");n.data=h}return n}},{key:"tryParse",value:function(t){try{return JSON.parse(t,this.reviver)}catch(t){return!1}}},{key:"destroy",value:function(){this.reconstructor&&(this.reconstructor.finishedReconstruction(),this.reconstructor=null)}}],[{key:"isPayloadValid",value:function(e,n){switch(e){case Et.CONNECT:return"object"===t(n);case Et.DISCONNECT:return void 0===n;case Et.CONNECT_ERROR:return"string"==typeof n||"object"===t(n);case Et.EVENT:case Et.BINARY_EVENT:return Array.isArray(n)&&n.length>0;case Et.ACK:case Et.BINARY_ACK:return Array.isArray(n)}}}]),a}(L),Rt=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=wt(this.reconPack,this.buffers);return this.finishedReconstruction(),e}return null}},{key:"finishedReconstruction",value:function(){this.reconPack=null,this.buffers=[]}}]),t}(),Tt=Object.freeze({__proto__:null,protocol:5,get PacketType(){return Et},Encoder:Ot,Decoder:At});function Ct(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}),St=function(t){o(a,t);var n=p(a);function a(t,r,o){var s;return e(this,a),(s=n.call(this)).connected=!1,s.recovered=!1,s.receiveBuffer=[],s.sendBuffer=[],s._queue=[],s.ids=0,s.acks={},s.flags={},s.io=t,s.nsp=r,o&&o.auth&&(s.auth=o.auth),s._opts=i({},o),s.io._autoConnect&&s.open(),s}return r(a,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[Ct(t,"open",this.onopen.bind(this)),Ct(t,"packet",this.onpacket.bind(this)),Ct(t,"error",this.onerror.bind(this)),Ct(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.toString()+'" 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];var o;if(n.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return"function"==typeof n[n.length-1]&&(o=n.pop()),this._queue.push({id:this.ids++,tryCount:0,pending:!1,args:n,ack:o,flags:i({fromQueue:!0},this.flags)}),this._drainQueue(),this;var s={type:Et.EVENT,data:n,options:{}};if(s.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var a=this.ids++,c=n.pop();this._registerAckCallback(a,c),s.id=a}var u=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,h=this.flags.volatile&&(!u||!this.connected);return h||(this.connected?(this.notifyOutgoingListeners(s),this.packet(s)):this.sendBuffer.push(s)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n,r=this,i=null!==(n=this.flags.timeout)&&void 0!==n?n:this._opts.ackTimeout;if(void 0!==i){var o=this.io.setTimeoutFn((function(){delete r.acks[t];for(var n=0;n<r.sendBuffer.length;n++)r.sendBuffer[n].id===t&&r.sendBuffer.splice(n,1);e.call(r,new Error("operation has timed out"))}),i);this.acks[t]=function(){r.io.clearTimeoutFn(o);for(var t=arguments.length,n=new Array(t),i=0;i<t;i++)n[i]=arguments[i];e.apply(r,[null].concat(n))}}else this.acks[t]=e}},{key:"emitWithAck",value:function(t){for(var e=this,n=arguments.length,r=new Array(n>1?n-1:0),i=1;i<n;i++)r[i-1]=arguments[i];var o=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise((function(n,i){r.push((function(t,e){return o?t?i(t):n(e):n(t)})),e.emit.apply(e,[t].concat(r))}))}},{key:"_drainQueue",value:function(){var t=this;if(0!==this._queue.length){var e=this._queue[0];if(!e.pending){e.pending=!0,e.tryCount++;var n=this.ids;this.ids=e.id,this.flags=e.flags,e.args.push((function(n){if(e===t._queue[0]){var r=null!==n;if(r)e.tryCount>t._opts.retries&&(t._queue.shift(),e.ack&&e.ack(n));else if(t._queue.shift(),e.ack){for(var i=arguments.length,o=new Array(i>1?i-1:0),s=1;s<i;s++)o[s-1]=arguments[s];e.ack.apply(e,[null].concat(o))}return e.pending=!1,t._drainQueue()}})),this.emit.apply(this,e.args),this.ids=n}}}},{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._sendConnectPacket(e)})):this._sendConnectPacket(this.auth)}},{key:"_sendConnectPacket",value:function(t){this.packet({type:Et.CONNECT,data:this._pid?i({pid:this._pid,offset:this._lastOffset},t):t})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case Et.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):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 Et.EVENT:case Et.BINARY_EVENT:this.onevent(t);break;case Et.ACK:case Et.BINARY_ACK:this.onack(t);break;case Et.DISCONNECT:this.ondisconnect();break;case Et.CONNECT_ERROR:this.destroy();var e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=g(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}y(s(a.prototype),"emit",this).apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}},{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:Et.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,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:Et.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=g(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),a}(L);function Nt(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}Nt.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)},Nt.prototype.reset=function(){this.attempts=0},Nt.prototype.setMin=function(t){this.ms=t},Nt.prototype.setMax=function(t){this.max=t},Nt.prototype.setJitter=function(t){this.jitter=t};var xt=function(n){o(s,n);var i=p(s);function s(n,r){var o,a;e(this,s),(o=i.call(this)).nsps={},o.subs=[],n&&"object"===t(n)&&(r=n,n=void 0),(r=r||{}).path=r.path||"/socket.io",o.opts=r,D(f(o),r),o.reconnection(!1!==r.reconnection),o.reconnectionAttempts(r.reconnectionAttempts||1/0),o.reconnectionDelay(r.reconnectionDelay||1e3),o.reconnectionDelayMax(r.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new Nt({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==r.timeout?2e4:r.timeout),o._readyState="closed",o.uri=n;var c=r.parser||Tt;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==r.autoConnect,o._autoConnect&&o.open(),o}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 lt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=Ct(n,"open",(function(){r.onopen(),t&&t()})),o=Ct(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(Ct(t,"ping",this.onping.bind(this)),Ct(t,"data",this.ondata.bind(this)),Ct(t,"error",this.onerror.bind(this)),Ct(t,"close",this.onclose.bind(this)),Ct(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;it((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new St(this,t,e),this.nsps[t]=n),this._autoConnect&&n.connect(),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(L),Lt={};function Pt(e,n){"object"===t(e)&&(n=e,e=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=ft(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(e,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,c=Lt[s]&&a in Lt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?r=new xt(o,n):(Lt[s]||(Lt[s]=new xt(o,n)),r=Lt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return i(Pt,{Manager:xt,Socket:St,io:Pt,connect:Pt}),Pt}));
//# sourceMappingURL=socket.io.min.js.map

6

dist/socket.io.msgpack.min.js
/*!
* Socket.IO v4.5.4
* (c) 2014-2022 Guillermo Rauch
* Socket.IO v4.6.0-alpha1
* (c) 2014-2023 Guillermo Rauch
* Released under the MIT License.
*/
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t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),r=!1;a.priorWebsocketSuccess=!1;var i=function(){r||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!r)if("pong"===t.type&&"probe"===t.data){if(e.upgrading=!0,e.emitReserved("upgrading",n),!n)return;a.priorWebsocketSuccess="websocket"===n.name,e.transport.pause((function(){r||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var i=new Error("probe error");i.transport=n.name,e.emitReserved("upgradeError",i)}})))};function 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 u(){s("socket closed")}function h(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",u),e.off("upgrading",h)};n.once("open",i),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.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var r=this.writeBuffer[n].data;if(r&&(e+="string"==typeof(t=r)?function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof n&&(r=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var i={type:t,data:e,options:n};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}}},{key:"close",value:function(){var t=this,e=function(){t.onClose("forced close"),t.transport.close()},n=function n(){t.off("upgrade",n),t.off("upgradeError",n),e()},r=function(){t.once("upgrade",n),t.once("upgradeError",n)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(function(){t.upgrading?r():e()})):this.upgrading?r():e()),this}},{key:"onError",value:function(t){a.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}},{key:"onClose",value:function(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),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}(j);pt.protocol=4,pt.protocol;var dt={},yt={};function vt(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 gt(t,n,r){var i=e(r),o=0,s=0,a=0,c=0,u=0,h=0;if("string"===i){if(u=function(t){for(var e=0,n=0,r=0,i=t.length;r<i;r++)(e=t.charCodeAt(r))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(r++,n+=4);return n}(r),u<32)t.push(160|u),h=1;else if(u<256)t.push(217,u),h=2;else if(u<65536)t.push(218,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("String too long");t.push(219,u>>24,u>>16,u>>8,u),h=5}return n.push({_str:r,_length:u,_offset:t.length}),h+u}if("number"===i)return Math.floor(r)===r&&isFinite(r)?r>=0?r<128?(t.push(r),1):r<256?(t.push(204,r),2):r<65536?(t.push(205,r>>8,r),3):r<4294967296?(t.push(206,r>>24,r>>16,r>>8,r),5):(a=r/Math.pow(2,32)>>0,c=r>>>0,t.push(207,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):r>=-32?(t.push(r),1):r>=-128?(t.push(208,r),2):r>=-32768?(t.push(209,r>>8,r),3):r>=-2147483648?(t.push(210,r>>24,r>>16,r>>8,r),5):(a=Math.floor(r/Math.pow(2,32)),c=r>>>0,t.push(211,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):(t.push(203),n.push({_float:r,_length:8,_offset:t.length}),9);if("object"===i){if(null===r)return t.push(192),1;if(Array.isArray(r)){if((u=r.length)<16)t.push(144|u),h=1;else if(u<65536)t.push(220,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Array too large");t.push(221,u>>24,u>>16,u>>8,u),h=5}for(o=0;o<u;o++)h+=gt(t,n,r[o]);return h}if(r instanceof Date){var f=r.getTime();return a=Math.floor(f/Math.pow(2,32)),c=f>>>0,t.push(215,0,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),10}if(r instanceof ArrayBuffer){if((u=r.byteLength)<256)t.push(196,u),h=2;else if(u<65536)t.push(197,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Buffer too large");t.push(198,u>>24,u>>16,u>>8,u),h=5}return n.push({_bin:r,_length:u,_offset:t.length}),h+u}if("function"==typeof r.toJSON)return gt(t,n,r.toJSON());var l=[],p="",d=Object.keys(r);for(o=0,s=d.length;o<s;o++)"function"!=typeof r[p=d[o]]&&l.push(p);if((u=l.length)<16)t.push(128|u),h=1;else if(u<65536)t.push(222,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Object too large");t.push(223,u>>24,u>>16,u>>8,u),h=5}for(o=0;o<u;o++)h+=gt(t,n,p=l[o]),h+=gt(t,n,r[p]);return h}if("boolean"===i)return t.push(r?195:194),1;if("undefined"===i)return t.push(212,0,0),3;throw new Error("Could not encode")}var mt=function(t){var e=[],n=[],r=gt(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 u,h=0,f=0,l=0,p=e.length;l<p;l++)if(o.setUint8(a+l,e[l]),l+1===c){if(h=(u=n[s])._length,f=a+c,u._bin)for(var d=new Uint8Array(u._bin),y=0;y<h;y++)o.setUint8(f+y,d[y]);else u._str?vt(o,f,u._str):void 0!==u._float&&o.setFloat64(f,u._float);a+=h,n[++s]&&(c=n[s]._offset)}return i};function _t(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)}}_t.prototype._array=function(t){for(var e=new Array(t),n=0;n<t;n++)e[n]=this._parse();return e},_t.prototype._map=function(t){for(var e={},n=0;n<t;n++)e[this._parse()]=this._parse();return e},_t.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},_t.prototype._bin=function(t){var e=this._buffer.slice(this._offset,this._offset+t);return this._offset+=t,e},_t.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 bt=function(t){var e=new _t(t),n=e._parse();if(e._offset!==t.byteLength)throw new Error(t.byteLength-e._offset+" trailing bytes");return n};yt.encode=mt,yt.decode=bt;var kt,wt={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}}(wt);var Ot=yt,Et=wt.exports,Ct=dt.protocol=5,Rt=kt=dt.PacketType={CONNECT:0,DISCONNECT:1,EVENT:2,ACK:3,CONNECT_ERROR:4},Tt=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},St=function(t){return"string"==typeof t},Lt=function(t){return"[object Object]"===Object.prototype.toString.call(t)};function At(){}function xt(){}At.prototype.encode=function(t){return[Ot.encode(t)]},Et(xt.prototype),xt.prototype.add=function(t){var e=Ot.decode(t);this.checkPacket(e),this.emit("decoded",e)},xt.prototype.checkPacket=function(t){if(!(Tt(t.type)&&t.type>=Rt.CONNECT&&t.type<=Rt.CONNECT_ERROR))throw new Error("invalid packet type");if(!St(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Rt.CONNECT:return void 0===t.data||Lt(t.data);case Rt.DISCONNECT:return void 0===t.data;case Rt.CONNECT_ERROR:return St(t.data)||Lt(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||Tt(t.id)))throw new Error("invalid packet id")},xt.prototype.destroy=function(){};var Bt=dt.Encoder=At,Ut=dt.Decoder=xt,jt=t({__proto__:null,default:dt,protocol:Ct,get PacketType(){return kt},Encoder:Bt,Decoder:Ut},[dt]);function Pt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Nt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),qt=function(t){s(r,t);var e=d(r);function r(t,i,o){var s;return n(this,r),(s=e.call(this)).connected=!1,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:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var 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))]}}},{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(Nt.hasOwnProperty(t))throw new Error('"'+t.toString()+'" 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:kt.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.notifyOutgoingListeners(i),this.packet(i)):this.sendBuffer.push(i)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n=this,r=this.flags.timeout;if(void 0!==r){var i=this.io.setTimeoutFn((function(){delete n.acks[t];for(var r=0;r<n.sendBuffer.length;r++)n.sendBuffer[r].id===t&&n.sendBuffer.splice(r,1);e.call(n,new Error("operation has timed out"))}),r);this.acks[t]=function(){n.io.clearTimeoutFn(i);for(var t=arguments.length,r=new Array(t),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:kt.CONNECT,data:e})})):this.packet({type:kt.CONNECT,data:this.auth})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case kt.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 kt.EVENT:case kt.BINARY_EVENT:this.onevent(t);break;case kt.ACK:case kt.BINARY_ACK:this.onack(t);break;case kt.DISCONNECT:this.ondisconnect();break;case kt.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=m(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}v(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:kt.ACK,id:t,data:i})}}}},{key:"onack",value:function(t){var e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}},{key:"onconnect",value:function(t){this.id=t,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:kt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=m(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),r}(j);function Mt(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}Mt.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)},Mt.prototype.reset=function(){this.attempts=0},Mt.prototype.setMin=function(t){this.ms=t},Mt.prototype.setMax=function(t){this.max=t},Mt.prototype.setJitter=function(t){this.jitter=t};var Dt=function(t){s(o,t);var r=d(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,D(l(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 Mt({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||jt;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 pt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=Pt(n,"open",(function(){r.onopen(),t&&t()})),o=Pt(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(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)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;ot((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new qt(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var r=n[e];if(this.nsps[r].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){clearTimeout(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),o}(j),It={};function Ft(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 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e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+(i.length?"?"+i:"")}},{key:"request",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return s(t,{xd:this.xd,xs:this.xs},this.opts),new it(this.uri(),t)}},{key:"doWrite",value:function(t,e){var n=this,i=this.request({method:"POST",data:t});i.on("success",e),i.on("error",(function(t,e){n.onError("xhr post error",t,e)}))}},{key:"doPoll",value:function(){var t=this,e=this.request();e.on("data",this.onData.bind(this)),e.on("error",(function(e,n){t.onError("xhr poll error",e,n)})),this.pollXhr=e}}]),i}(H),it=function(t){o(i,t);var e=d(i);function i(t,r){var s;return n(this,i),D(l(s=e.call(this)),r),s.opts=r,s.method=r.method||"GET",s.uri=t,s.async=!1!==r.async,s.data=void 0!==r.data?r.data:null,s.create(),s}return r(i,[{key:"create",value:function(){var t=this,e=q(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 Z(e);try{n.open(this.method,this.uri,this.async);try{if(this.opts.extraHeaders)for(var r in n.setDisableHeaderCheck&&n.setDisableHeaderCheck(!0),this.opts.extraHeaders)this.opts.extraHeaders.hasOwnProperty(r)&&n.setRequestHeader(r,this.opts.extraHeaders[r])}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 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e=t,n=t.indexOf("["),i=t.indexOf("]");-1!=n&&-1!=i&&(t=t.substring(0,n)+t.substring(n,i).replace(/:/g,";")+t.substring(i,t.length));for(var r,s,o=ht.exec(t||""),a={},c=14;c--;)a[ft[c]]=o[c]||"";return-1!=n&&-1!=i&&(a.source=e,a.host=a.host.substring(1,a.host.length-1).replace(/;/g,":"),a.authority=a.authority.replace("[","").replace("]","").replace(/;/g,":"),a.ipv6uri=!0),a.pathNames=function(t,e){var n=/\/{2,9}/g,i=e.replace(n,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||i.splice(0,1);"/"==e.slice(-1)&&i.splice(i.length-1,1);return i}(0,a.path),a.queryKey=(r=a.query,s={},r.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(s[e]=n)})),s),a}var pt=function(t){o(a,t);var i=d(a);function a(t){var r,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return 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t,e=this;if(this.opts.rememberUpgrade&&a.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((function(){e.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}},{key:"setTransport",value:function(t){var e=this;this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(function(t){return e.onClose("transport close",t)}))}},{key:"probe",value:function(t){var e=this,n=this.createTransport(t),i=!1;a.priorWebsocketSuccess=!1;var r=function(){i||(n.send([{type:"ping",data:"probe"}]),n.once("packet",(function(t){if(!i)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(){i||"closed"!==e.readyState&&(f(),e.setTransport(n),n.send([{type:"upgrade"}]),e.emitReserved("upgrade",n),n=null,e.upgrading=!1,e.flush())}))}else{var r=new Error("probe error");r.transport=n.name,e.emitReserved("upgradeError",r)}})))};function s(){i||(i=!0,f(),n.close(),n=null)}var o=function(t){var i=new Error("probe error: "+t);i.transport=n.name,s(),e.emitReserved("upgradeError",i)};function c(){o("transport closed")}function u(){o("socket closed")}function h(t){n&&t.name!==n.name&&s()}var f=function(){n.removeListener("open",r),n.removeListener("error",o),n.removeListener("close",c),e.off("close",u),e.off("upgrading",h)};n.once("open",r),n.once("error",o),n.once("close",c),this.once("close",u),this.once("upgrading",h),n.open()}},{key:"onOpen",value:function(){if(this.readyState="open",a.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade)for(var t=0,e=this.upgrades.length;t<e;t++)this.probe(this.upgrades[t])}},{key:"onPacket",value:function(t){if("opening"===this.readyState||"open"===this.readyState||"closing"===this.readyState)switch(this.emitReserved("packet",t),this.emitReserved("heartbeat"),t.type){case"open":this.onHandshake(JSON.parse(t.data));break;case"ping":this.resetPingTimeout(),this.sendPacket("pong"),this.emitReserved("ping"),this.emitReserved("pong");break;case"error":var e=new Error("server error");e.code=t.data,this.onError(e);break;case"message":this.emitReserved("data",t.data),this.emitReserved("message",t.data)}}},{key:"onHandshake",value:function(t){this.emitReserved("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.maxPayload=t.maxPayload,this.onOpen(),"closed"!==this.readyState&&this.resetPingTimeout()}},{key:"resetPingTimeout",value:function(){var t=this;this.clearTimeoutFn(this.pingTimeoutTimer),this.pingTimeoutTimer=this.setTimeoutFn((function(){t.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}},{key:"onDrain",value:function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}},{key:"flush",value:function(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){var t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}},{key:"getWritablePackets",value:function(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;for(var t,e=1,n=0;n<this.writeBuffer.length;n++){var i=this.writeBuffer[n].data;if(i&&(e+="string"==typeof(t=i)?function(t){for(var e=0,n=0,i=0,r=t.length;i<r;i++)(e=t.charCodeAt(i))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(i++,n+=4);return n}(t):Math.ceil(1.33*(t.byteLength||t.size))),n>0&&e>this.maxPayload)return this.writeBuffer.slice(0,n);e+=2}return this.writeBuffer}},{key:"write",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"send",value:function(t,e,n){return this.sendPacket("message",t,e,n),this}},{key:"sendPacket",value:function(t,e,n,i){if("function"==typeof e&&(i=e,e=void 0),"function"==typeof n&&(i=n,n=null),"closing"!==this.readyState&&"closed"!==this.readyState){(n=n||{}).compress=!1!==n.compress;var r={type:t,data:e,options:n};this.emitReserved("packetCreate",r),this.writeBuffer.push(r),i&&this.once("flush",i),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()},i=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?i():e()})):this.upgrading?i():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("beforeunload",this.beforeunloadEventListener,!1),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,i=t.length;n<i;n++)~this.transports.indexOf(t[n])&&e.push(t[n]);return e}}]),a}(P);pt.protocol=4,pt.protocol;var dt={},yt={};function vt(t,e,n){for(var i=0,r=0,s=n.length;r<s;r++)(i=n.charCodeAt(r))<128?t.setUint8(e++,i):i<2048?(t.setUint8(e++,192|i>>6),t.setUint8(e++,128|63&i)):i<55296||i>=57344?(t.setUint8(e++,224|i>>12),t.setUint8(e++,128|i>>6&63),t.setUint8(e++,128|63&i)):(r++,i=65536+((1023&i)<<10|1023&n.charCodeAt(r)),t.setUint8(e++,240|i>>18),t.setUint8(e++,128|i>>12&63),t.setUint8(e++,128|i>>6&63),t.setUint8(e++,128|63&i))}function gt(t,n,i){var r=e(i),s=0,o=0,a=0,c=0,u=0,h=0;if("string"===r){if(u=function(t){for(var e=0,n=0,i=0,r=t.length;i<r;i++)(e=t.charCodeAt(i))<128?n+=1:e<2048?n+=2:e<55296||e>=57344?n+=3:(i++,n+=4);return n}(i),u<32)t.push(160|u),h=1;else if(u<256)t.push(217,u),h=2;else if(u<65536)t.push(218,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("String too long");t.push(219,u>>24,u>>16,u>>8,u),h=5}return n.push({_str:i,_length:u,_offset:t.length}),h+u}if("number"===r)return Math.floor(i)===i&&isFinite(i)?i>=0?i<128?(t.push(i),1):i<256?(t.push(204,i),2):i<65536?(t.push(205,i>>8,i),3):i<4294967296?(t.push(206,i>>24,i>>16,i>>8,i),5):(a=i/Math.pow(2,32)>>0,c=i>>>0,t.push(207,a>>24,a>>16,a>>8,a,c>>24,c>>16,c>>8,c),9):i>=-32?(t.push(i),1):i>=-128?(t.push(208,i),2):i>=-32768?(t.push(209,i>>8,i),3):i>=-2147483648?(t.push(210,i>>24,i>>16,i>>8,i),5):(a=Math.floor(i/Math.pow(2,32)),c=i>>>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:i,_length:8,_offset:t.length}),9);if("object"===r){if(null===i)return t.push(192),1;if(Array.isArray(i)){if((u=i.length)<16)t.push(144|u),h=1;else if(u<65536)t.push(220,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Array too large");t.push(221,u>>24,u>>16,u>>8,u),h=5}for(s=0;s<u;s++)h+=gt(t,n,i[s]);return h}if(i instanceof Date){var f=i.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(i instanceof ArrayBuffer){if((u=i.byteLength)<256)t.push(196,u),h=2;else if(u<65536)t.push(197,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Buffer too large");t.push(198,u>>24,u>>16,u>>8,u),h=5}return n.push({_bin:i,_length:u,_offset:t.length}),h+u}if("function"==typeof i.toJSON)return gt(t,n,i.toJSON());var l=[],p="",d=Object.keys(i);for(s=0,o=d.length;s<o;s++)"function"!=typeof i[p=d[s]]&&l.push(p);if((u=l.length)<16)t.push(128|u),h=1;else if(u<65536)t.push(222,u>>8,u),h=3;else{if(!(u<4294967296))throw new Error("Object too large");t.push(223,u>>24,u>>16,u>>8,u),h=5}for(s=0;s<u;s++)h+=gt(t,n,p=l[s]),h+=gt(t,n,i[p]);return h}if("boolean"===r)return t.push(i?195:194),1;if("undefined"===r)return t.push(212,0,0),3;throw new Error("Could not encode")}var mt=function(t){var e=[],n=[],i=gt(e,n,t),r=new ArrayBuffer(i),s=new DataView(r),o=0,a=0,c=-1;n.length>0&&(c=n[0]._offset);for(var u,h=0,f=0,l=0,p=e.length;l<p;l++)if(s.setUint8(a+l,e[l]),l+1===c){if(h=(u=n[o])._length,f=a+c,u._bin)for(var d=new Uint8Array(u._bin),y=0;y<h;y++)s.setUint8(f+y,d[y]);else u._str?vt(s,f,u._str):void 0!==u._float&&s.setFloat64(f,u._float);a+=h,n[++o]&&(c=n[o]._offset)}return r};function _t(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)}}_t.prototype._array=function(t){for(var e=new Array(t),n=0;n<t;n++)e[n]=this._parse();return e},_t.prototype._map=function(t){for(var e={},n=0;n<t;n++)e[this._parse()]=this._parse();return e},_t.prototype._str=function(t){var e=function(t,e,n){for(var i="",r=0,s=e,o=e+n;s<o;s++){var a=t.getUint8(s);if(0!=(128&a))if(192!=(224&a))if(224!=(240&a)){if(240!=(248&a))throw new Error("Invalid byte "+a.toString(16));(r=(7&a)<<18|(63&t.getUint8(++s))<<12|(63&t.getUint8(++s))<<6|(63&t.getUint8(++s))<<0)>=65536?(r-=65536,i+=String.fromCharCode(55296+(r>>>10),56320+(1023&r))):i+=String.fromCharCode(r)}else i+=String.fromCharCode((15&a)<<12|(63&t.getUint8(++s))<<6|(63&t.getUint8(++s))<<0);else i+=String.fromCharCode((31&a)<<6|63&t.getUint8(++s));else i+=String.fromCharCode(a)}return i}(this._view,this._offset,t);return this._offset+=t,e},_t.prototype._bin=function(t){var e=this._buffer.slice(this._offset,this._offset+t);return this._offset+=t,e},_t.prototype._parse=function(){var t,e=this._view.getUint8(this._offset++),n=0,i=0,r=0,s=0;if(e<192)return e<128?e:e<144?this._map(15&e):e<160?this._array(15&e):this._str(31&e);if(e>223)return-1*(255-e+1);switch(e){case 192:return null;case 194:return!1;case 195:return!0;case 196:return n=this._view.getUint8(this._offset),this._offset+=1,this._bin(n);case 197:return n=this._view.getUint16(this._offset),this._offset+=2,this._bin(n);case 198:return n=this._view.getUint32(this._offset),this._offset+=4,this._bin(n);case 199:return n=this._view.getUint8(this._offset),i=this._view.getInt8(this._offset+1),this._offset+=2,[i,this._bin(n)];case 200:return n=this._view.getUint16(this._offset),i=this._view.getInt8(this._offset+2),this._offset+=3,[i,this._bin(n)];case 201:return n=this._view.getUint32(this._offset),i=this._view.getInt8(this._offset+4),this._offset+=5,[i,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 r=this._view.getUint32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,r+s;case 208:return t=this._view.getInt8(this._offset),this._offset+=1,t;case 209:return t=this._view.getInt16(this._offset),this._offset+=2,t;case 210:return t=this._view.getInt32(this._offset),this._offset+=4,t;case 211:return r=this._view.getInt32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,r+s;case 212:return i=this._view.getInt8(this._offset),this._offset+=1,0===i?void(this._offset+=1):[i,this._bin(1)];case 213:return i=this._view.getInt8(this._offset),this._offset+=1,[i,this._bin(2)];case 214:return i=this._view.getInt8(this._offset),this._offset+=1,[i,this._bin(4)];case 215:return i=this._view.getInt8(this._offset),this._offset+=1,0===i?(r=this._view.getInt32(this._offset)*Math.pow(2,32),s=this._view.getUint32(this._offset+4),this._offset+=8,new Date(r+s)):[i,this._bin(8)];case 216:return i=this._view.getInt8(this._offset),this._offset+=1,[i,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 bt=function(t){var e=new _t(t),n=e._parse();if(e._offset!==t.byteLength)throw new Error(t.byteLength-e._offset+" trailing bytes");return n};yt.encode=mt,yt.decode=bt;var kt,wt={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["$"+t]||[]).push(e),this},e.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},e.prototype.off=e.prototype.removeListener=e.prototype.removeAllListeners=e.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,i=this._callbacks["$"+t];if(!i)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var r=0;r<i.length;r++)if((n=i[r])===e||n.fn===e){i.splice(r,1);break}return 0===i.length&&delete this._callbacks["$"+t],this},e.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],i=1;i<arguments.length;i++)e[i-1]=arguments[i];if(n){i=0;for(var r=(n=n.slice(0)).length;i<r;++i)n[i].apply(this,e)}return this},e.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},e.prototype.hasListeners=function(t){return!!this.listeners(t).length}}(wt);var Ot=yt,Et=wt.exports,Ct=dt.protocol=5,Rt=kt=dt.PacketType={CONNECT:0,DISCONNECT:1,EVENT:2,ACK:3,CONNECT_ERROR:4},Tt=Number.isInteger||function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t},At=function(t){return"string"==typeof t},Lt=function(t){return"[object Object]"===Object.prototype.toString.call(t)};function St(){}function xt(){}St.prototype.encode=function(t){return[Ot.encode(t)]},Et(xt.prototype),xt.prototype.add=function(t){var e=Ot.decode(t);this.checkPacket(e),this.emit("decoded",e)},xt.prototype.checkPacket=function(t){if(!(Tt(t.type)&&t.type>=Rt.CONNECT&&t.type<=Rt.CONNECT_ERROR))throw new Error("invalid packet type");if(!At(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Rt.CONNECT:return void 0===t.data||Lt(t.data);case Rt.DISCONNECT:return void 0===t.data;case Rt.CONNECT_ERROR:return At(t.data)||Lt(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||Tt(t.id)))throw new Error("invalid packet id")},xt.prototype.destroy=function(){};var Bt=dt.Encoder=St,Ut=dt.Decoder=xt,Pt=t({__proto__:null,default:dt,protocol:Ct,get PacketType(){return kt},Encoder:Bt,Decoder:Ut},[dt]);function jt(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var qt=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Nt=function(t){o(i,t);var e=d(i);function i(t,r,o){var a;return n(this,i),(a=e.call(this)).connected=!1,a.recovered=!1,a.receiveBuffer=[],a.sendBuffer=[],a._queue=[],a.ids=0,a.acks={},a.flags={},a.io=t,a.nsp=r,o&&o.auth&&(a.auth=o.auth),a._opts=s({},o),a.io._autoConnect&&a.open(),a}return r(i,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[jt(t,"open",this.onopen.bind(this)),jt(t,"packet",this.onpacket.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];return e.unshift("message"),this.emit.apply(this,e),this}},{key:"emit",value:function(t){if(qt.hasOwnProperty(t))throw new Error('"'+t.toString()+'" is a reserved event name');for(var e=arguments.length,n=new Array(e>1?e-1:0),i=1;i<e;i++)n[i-1]=arguments[i];var r;if(n.unshift(t),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return"function"==typeof n[n.length-1]&&(r=n.pop()),this._queue.push({id:this.ids++,tryCount:0,pending:!1,args:n,ack:r,flags:s({fromQueue:!0},this.flags)}),this._drainQueue(),this;var o={type:kt.EVENT,data:n,options:{}};if(o.options.compress=!1!==this.flags.compress,"function"==typeof n[n.length-1]){var a=this.ids++,c=n.pop();this._registerAckCallback(a,c),o.id=a}var u=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable,h=this.flags.volatile&&(!u||!this.connected);return h||(this.connected?(this.notifyOutgoingListeners(o),this.packet(o)):this.sendBuffer.push(o)),this.flags={},this}},{key:"_registerAckCallback",value:function(t,e){var n,i=this,r=null!==(n=this.flags.timeout)&&void 0!==n?n:this._opts.ackTimeout;if(void 0!==r){var s=this.io.setTimeoutFn((function(){delete i.acks[t];for(var n=0;n<i.sendBuffer.length;n++)i.sendBuffer[n].id===t&&i.sendBuffer.splice(n,1);e.call(i,new Error("operation has timed out"))}),r);this.acks[t]=function(){i.io.clearTimeoutFn(s);for(var t=arguments.length,n=new Array(t),r=0;r<t;r++)n[r]=arguments[r];e.apply(i,[null].concat(n))}}else this.acks[t]=e}},{key:"emitWithAck",value:function(t){for(var e=this,n=arguments.length,i=new Array(n>1?n-1:0),r=1;r<n;r++)i[r-1]=arguments[r];var s=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise((function(n,r){i.push((function(t,e){return s?t?r(t):n(e):n(t)})),e.emit.apply(e,[t].concat(i))}))}},{key:"_drainQueue",value:function(){var t=this;if(0!==this._queue.length){var e=this._queue[0];if(!e.pending){e.pending=!0,e.tryCount++;var n=this.ids;this.ids=e.id,this.flags=e.flags,e.args.push((function(n){if(e===t._queue[0]){var i=null!==n;if(i)e.tryCount>t._opts.retries&&(t._queue.shift(),e.ack&&e.ack(n));else if(t._queue.shift(),e.ack){for(var r=arguments.length,s=new Array(r>1?r-1:0),o=1;o<r;o++)s[o-1]=arguments[o];e.ack.apply(e,[null].concat(s))}return e.pending=!1,t._drainQueue()}})),this.emit.apply(this,e.args),this.ids=n}}}},{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._sendConnectPacket(e)})):this._sendConnectPacket(this.auth)}},{key:"_sendConnectPacket",value:function(t){this.packet({type:kt.CONNECT,data:this._pid?s({pid:this._pid,offset:this._lastOffset},t):t})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case kt.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):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 kt.EVENT:case kt.BINARY_EVENT:this.onevent(t);break;case kt.ACK:case kt.BINARY_ACK:this.onack(t);break;case kt.DISCONNECT:this.ondisconnect();break;case kt.CONNECT_ERROR:this.destroy();var e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}},{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=m(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}v(a(i.prototype),"emit",this).apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];e.packet({type:kt.ACK,id:t,data:r})}}}},{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,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect")}},{key:"emitBuffered",value:function(){var t=this;this.receiveBuffer.forEach((function(e){return t.emitEvent(e)})),this.receiveBuffer=[],this.sendBuffer.forEach((function(e){t.notifyOutgoingListeners(e),t.packet(e)})),this.sendBuffer=[]}},{key:"ondisconnect",value:function(){this.destroy(),this.onclose("io server disconnect")}},{key:"destroy",value:function(){this.subs&&(this.subs.forEach((function(t){return t()})),this.subs=void 0),this.io._destroy(this)}},{key:"disconnect",value:function(){return this.connected&&this.packet({type:kt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{key:"close",value:function(){return this.disconnect()}},{key:"compress",value:function(t){return this.flags.compress=t,this}},{key:"volatile",get:function(){return this.flags.volatile=!0,this}},{key:"timeout",value:function(t){return this.flags.timeout=t,this}},{key:"onAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}},{key:"prependAny",value:function(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}},{key:"offAny",value:function(t){if(!this._anyListeners)return this;if(t){for(var e=this._anyListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyListeners=[];return this}},{key:"listenersAny",value:function(){return this._anyListeners||[]}},{key:"onAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}},{key:"prependAnyOutgoing",value:function(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}},{key:"offAnyOutgoing",value:function(t){if(!this._anyOutgoingListeners)return this;if(t){for(var e=this._anyOutgoingListeners,n=0;n<e.length;n++)if(t===e[n])return e.splice(n,1),this}else this._anyOutgoingListeners=[];return this}},{key:"listenersAnyOutgoing",value:function(){return this._anyOutgoingListeners||[]}},{key:"notifyOutgoingListeners",value:function(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){var e,n=m(this._anyOutgoingListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t.data)}}catch(t){n.e(t)}finally{n.f()}}}}]),i}(P);function Mt(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}Mt.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)},Mt.prototype.reset=function(){this.attempts=0},Mt.prototype.setMin=function(t){this.ms=t},Mt.prototype.setMax=function(t){this.max=t},Mt.prototype.setJitter=function(t){this.jitter=t};var Dt=function(t){o(s,t);var i=d(s);function s(t,r){var o,a;n(this,s),(o=i.call(this)).nsps={},o.subs=[],t&&"object"===e(t)&&(r=t,t=void 0),(r=r||{}).path=r.path||"/socket.io",o.opts=r,D(l(o),r),o.reconnection(!1!==r.reconnection),o.reconnectionAttempts(r.reconnectionAttempts||1/0),o.reconnectionDelay(r.reconnectionDelay||1e3),o.reconnectionDelayMax(r.reconnectionDelayMax||5e3),o.randomizationFactor(null!==(a=r.randomizationFactor)&&void 0!==a?a:.5),o.backoff=new Mt({min:o.reconnectionDelay(),max:o.reconnectionDelayMax(),jitter:o.randomizationFactor()}),o.timeout(null==r.timeout?2e4:r.timeout),o._readyState="closed",o.uri=t;var c=r.parser||Pt;return o.encoder=new c.Encoder,o.decoder=new c.Decoder,o._autoConnect=!1!==r.autoConnect,o._autoConnect&&o.open(),o}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 pt(this.uri,this.opts);var n=this.engine,i=this;this._readyState="opening",this.skipReconnect=!1;var r=jt(n,"open",(function(){i.onopen(),t&&t()})),s=jt(n,"error",(function(n){i.cleanup(),i._readyState="closed",e.emitReserved("error",n),t?t(n):i.maybeReconnectOnOpen()}));if(!1!==this._timeout){var o=this._timeout;0===o&&r();var a=this.setTimeoutFn((function(){r(),n.close(),n.emit("error",new Error("timeout"))}),o);this.opts.autoUnref&&a.unref(),this.subs.push((function(){clearTimeout(a)}))}return this.subs.push(r),this.subs.push(s),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(jt(t,"ping",this.onping.bind(this)),jt(t,"data",this.ondata.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this)),jt(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;st((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n||(n=new Nt(this,t,e),this.nsps[t]=n),this._autoConnect&&n.connect(),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e<n.length;e++){var i=n[e];if(this.nsps[i].active)return}this._close()}},{key:"_packet",value:function(t){for(var e=this.encoder.encode(t),n=0;n<e.length;n++)this.engine.write(e[n],t.options)}},{key:"cleanup",value:function(){this.subs.forEach((function(t){return t()})),this.subs.length=0,this.decoder.destroy()}},{key:"_close",value:function(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}},{key:"disconnect",value:function(){return this._close()}},{key:"onclose",value:function(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}},{key:"reconnect",value:function(){var t=this;if(this._reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var i=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&&i.unref(),this.subs.push((function(){clearTimeout(i)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(P),It={};function Ft(t,n){"object"===e(t)&&(n=t,t=void 0);var i,r=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,i=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),i=lt(t)),i.port||(/^(http|ws)$/.test(i.protocol)?i.port="80":/^(http|ws)s$/.test(i.protocol)&&(i.port="443")),i.path=i.path||"/";var r=-1!==i.host.indexOf(":")?"["+i.host+"]":i.host;return i.id=i.protocol+"://"+r+":"+i.port+e,i.href=i.protocol+"://"+r+(n&&n.port===i.port?"":":"+i.port),i}(t,(n=n||{}).path||"/socket.io"),s=r.source,o=r.id,a=r.path,c=It[o]&&a in It[o].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||c?i=new Dt(s,n):(It[o]||(It[o]=new Dt(s,n)),i=It[o]),r.query&&!n.query&&(n.query=r.queryKey),i.socket(r.path,n)}return s(Ft,{Manager:Dt,Socket:Nt,io:Ft,connect:Ft}),Ft}));
//# sourceMappingURL=socket.io.msgpack.min.js.map

6

package.json
{
"name": "socket.io-client",
"version": "4.5.4",
"version": "4.6.0-alpha1",
"description": "Realtime application framework client",

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

"debug": "~4.3.2",
"engine.io-client": "~6.2.3",
"engine.io-client": "~6.3.0",
"socket.io-parser": "~4.2.1"

@@ -70,3 +70,3 @@ },

"rollup-plugin-terser": "^7.0.2",
"socket.io": "^4.5.3",
"socket.io": "^4.6.0-alpha1",
"socket.io-msgpack-parser": "^3.0.0",

@@ -73,0 +73,0 @@ "text-blob-builder": "0.0.1",

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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