前端代码

node_modules/socket.io-client/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014-present Guillermo Rauch and Socket.IO contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

node_modules/socket.io-client/README.md

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+
+# socket.io-client
+
+[![Build Status](https://github.com/socketio/socket.io-client/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/socket.io-client/actions)
+[![NPM version](https://badge.fury.io/js/socket.io-client.svg)](https://www.npmjs.com/package/socket.io-client)
+![Downloads](http://img.shields.io/npm/dm/socket.io-client.svg?style=flat)
+[![](http://slack.socket.io/badge.svg?)](http://slack.socket.io)
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/socket.svg)](https://saucelabs.com/u/socket)
+
+## Documentation
+
+Please see the documentation [here](https://socket.io/docs/v4/client-initialization/).
+
+The source code of the website can be found [here](https://github.com/socketio/socket.io-website). Contributions are welcome!
+
+## Debug / logging
+
+In order to see all the client debug output, run the following command on the browser console – including the desired scope – and reload your app page:
+
+```
+localStorage.debug = '*';
+```
+
+And then, filter by the scopes you're interested in. See also: https://socket.io/docs/v4/logging-and-debugging/
+
+## License
+
+[MIT](/LICENSE)

node_modules/socket.io-client/build/cjs/browser-entrypoint.d.ts

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+import { io } from "./index.js";
+export default io;

node_modules/socket.io-client/build/cjs/browser-entrypoint.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const index_js_1 = require("./index.js");
+exports.default = index_js_1.io;

node_modules/socket.io-client/build/cjs/contrib/backo2.d.ts

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+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+export declare function Backoff(opts: any): void;

node_modules/socket.io-client/build/cjs/contrib/backo2.js

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+"use strict";
+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Backoff = Backoff;
+function Backoff(opts) {
+    opts = opts || {};
+    this.ms = opts.min || 100;
+    this.max = opts.max || 10000;
+    this.factor = opts.factor || 2;
+    this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
+    this.attempts = 0;
+}
+/**
+ * Return the backoff duration.
+ *
+ * @return {Number}
+ * @api public
+ */
+Backoff.prototype.duration = function () {
+    var ms = this.ms * Math.pow(this.factor, this.attempts++);
+    if (this.jitter) {
+        var rand = Math.random();
+        var deviation = Math.floor(rand * this.jitter * ms);
+        ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
+    }
+    return Math.min(ms, this.max) | 0;
+};
+/**
+ * Reset the number of attempts.
+ *
+ * @api public
+ */
+Backoff.prototype.reset = function () {
+    this.attempts = 0;
+};
+/**
+ * Set the minimum duration
+ *
+ * @api public
+ */
+Backoff.prototype.setMin = function (min) {
+    this.ms = min;
+};
+/**
+ * Set the maximum duration
+ *
+ * @api public
+ */
+Backoff.prototype.setMax = function (max) {
+    this.max = max;
+};
+/**
+ * Set the jitter
+ *
+ * @api public
+ */
+Backoff.prototype.setJitter = function (jitter) {
+    this.jitter = jitter;
+};

node_modules/socket.io-client/build/cjs/index.d.ts

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+import { Manager, ManagerOptions } from "./manager.js";
+import { Socket, SocketOptions } from "./socket.js";
+/**
+ * Looks up an existing `Manager` for multiplexing.
+ * If the user summons:
+ *
+ *   `io('http://localhost/a');`
+ *   `io('http://localhost/b');`
+ *
+ * We reuse the existing instance based on same scheme/port/host,
+ * and we initialize sockets for each namespace.
+ *
+ * @public
+ */
+declare function lookup(opts?: Partial<ManagerOptions & SocketOptions>): Socket;
+declare function lookup(uri?: string, opts?: Partial<ManagerOptions & SocketOptions>): Socket;
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+export { protocol } from "socket.io-parser";
+/**
+ * Expose constructors for standalone build.
+ *
+ * @public
+ */
+export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, };
+export { Fetch, NodeXHR, XHR, NodeWebSocket, WebSocket, WebTransport, } from "engine.io-client";

node_modules/socket.io-client/build/cjs/index.js

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+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WebTransport = exports.WebSocket = exports.NodeWebSocket = exports.XHR = exports.NodeXHR = exports.Fetch = exports.Socket = exports.Manager = exports.protocol = void 0;
+exports.io = lookup;
+exports.connect = lookup;
+exports.default = lookup;
+const url_js_1 = require("./url.js");
+const manager_js_1 = require("./manager.js");
+Object.defineProperty(exports, "Manager", { enumerable: true, get: function () { return manager_js_1.Manager; } });
+const socket_js_1 = require("./socket.js");
+Object.defineProperty(exports, "Socket", { enumerable: true, get: function () { return socket_js_1.Socket; } });
+const debug_1 = __importDefault(require("debug")); // debug()
+const debug = (0, debug_1.default)("socket.io-client"); // debug()
+/**
+ * Managers cache.
+ */
+const cache = {};
+function lookup(uri, opts) {
+    if (typeof uri === "object") {
+        opts = uri;
+        uri = undefined;
+    }
+    opts = opts || {};
+    const parsed = (0, url_js_1.url)(uri, opts.path || "/socket.io");
+    const source = parsed.source;
+    const id = parsed.id;
+    const path = parsed.path;
+    const sameNamespace = cache[id] && path in cache[id]["nsps"];
+    const newConnection = opts.forceNew ||
+        opts["force new connection"] ||
+        false === opts.multiplex ||
+        sameNamespace;
+    let io;
+    if (newConnection) {
+        debug("ignoring socket cache for %s", source);
+        io = new manager_js_1.Manager(source, opts);
+    }
+    else {
+        if (!cache[id]) {
+            debug("new io instance for %s", source);
+            cache[id] = new manager_js_1.Manager(source, opts);
+        }
+        io = cache[id];
+    }
+    if (parsed.query && !opts.query) {
+        opts.query = parsed.queryKey;
+    }
+    return io.socket(parsed.path, opts);
+}
+// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a
+// namespace (e.g. `io.connect(...)`), for backward compatibility
+Object.assign(lookup, {
+    Manager: manager_js_1.Manager,
+    Socket: socket_js_1.Socket,
+    io: lookup,
+    connect: lookup,
+});
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+var socket_io_parser_1 = require("socket.io-parser");
+Object.defineProperty(exports, "protocol", { enumerable: true, get: function () { return socket_io_parser_1.protocol; } });
+var engine_io_client_1 = require("engine.io-client");
+Object.defineProperty(exports, "Fetch", { enumerable: true, get: function () { return engine_io_client_1.Fetch; } });
+Object.defineProperty(exports, "NodeXHR", { enumerable: true, get: function () { return engine_io_client_1.NodeXHR; } });
+Object.defineProperty(exports, "XHR", { enumerable: true, get: function () { return engine_io_client_1.XHR; } });
+Object.defineProperty(exports, "NodeWebSocket", { enumerable: true, get: function () { return engine_io_client_1.NodeWebSocket; } });
+Object.defineProperty(exports, "WebSocket", { enumerable: true, get: function () { return engine_io_client_1.WebSocket; } });
+Object.defineProperty(exports, "WebTransport", { enumerable: true, get: function () { return engine_io_client_1.WebTransport; } });
+
+module.exports = lookup;

node_modules/socket.io-client/build/cjs/manager.d.ts

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+import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client";
+import { Socket, SocketOptions, DisconnectDescription } from "./socket.js";
+import { Packet } from "socket.io-parser";
+import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter";
+export interface ManagerOptions extends EngineOptions {
+    /**
+     * Should we force a new Manager for this connection?
+     * @default false
+     */
+    forceNew: boolean;
+    /**
+     * Should we multiplex our connection (reuse existing Manager) ?
+     * @default true
+     */
+    multiplex: boolean;
+    /**
+     * The path to get our client file from, in the case of the server
+     * serving it
+     * @default '/socket.io'
+     */
+    path: string;
+    /**
+     * Should we allow reconnections?
+     * @default true
+     */
+    reconnection: boolean;
+    /**
+     * How many reconnection attempts should we try?
+     * @default Infinity
+     */
+    reconnectionAttempts: number;
+    /**
+     * The time delay in milliseconds between reconnection attempts
+     * @default 1000
+     */
+    reconnectionDelay: number;
+    /**
+     * The max time delay in milliseconds between reconnection attempts
+     * @default 5000
+     */
+    reconnectionDelayMax: number;
+    /**
+     * Used in the exponential backoff jitter when reconnecting
+     * @default 0.5
+     */
+    randomizationFactor: number;
+    /**
+     * The timeout in milliseconds for our connection attempt
+     * @default 20000
+     */
+    timeout: number;
+    /**
+     * Should we automatically connect?
+     * @default true
+     */
+    autoConnect: boolean;
+    /**
+     * the parser to use. Defaults to an instance of the Parser that ships with socket.io.
+     */
+    parser: any;
+}
+interface ManagerReservedEvents {
+    open: () => void;
+    error: (err: Error) => void;
+    ping: () => void;
+    packet: (packet: Packet) => void;
+    close: (reason: string, description?: DisconnectDescription) => void;
+    reconnect_failed: () => void;
+    reconnect_attempt: (attempt: number) => void;
+    reconnect_error: (err: Error) => void;
+    reconnect: (attempt: number) => void;
+}
+export declare class Manager<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<{}, {}, ManagerReservedEvents> {
+    /**
+     * The Engine.IO client instance
+     *
+     * @public
+     */
+    engine: Engine;
+    /**
+     * @private
+     */
+    _autoConnect: boolean;
+    /**
+     * @private
+     */
+    _readyState: "opening" | "open" | "closed";
+    /**
+     * @private
+     */
+    _reconnecting: boolean;
+    private readonly uri;
+    opts: Partial<ManagerOptions>;
+    private nsps;
+    private subs;
+    private backoff;
+    private setTimeoutFn;
+    private clearTimeoutFn;
+    private _reconnection;
+    private _reconnectionAttempts;
+    private _reconnectionDelay;
+    private _randomizationFactor;
+    private _reconnectionDelayMax;
+    private _timeout;
+    private encoder;
+    private decoder;
+    private skipReconnect;
+    /**
+     * `Manager` constructor.
+     *
+     * @param uri - engine instance or engine uri/opts
+     * @param opts - options
+     * @public
+     */
+    constructor(opts: Partial<ManagerOptions>);
+    constructor(uri?: string, opts?: Partial<ManagerOptions>);
+    constructor(uri?: string | Partial<ManagerOptions>, opts?: Partial<ManagerOptions>);
+    /**
+     * Sets the `reconnection` config.
+     *
+     * @param {Boolean} v - true/false if it should automatically reconnect
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnection(v: boolean): this;
+    reconnection(): boolean;
+    reconnection(v?: boolean): this | boolean;
+    /**
+     * Sets the reconnection attempts config.
+     *
+     * @param {Number} v - max reconnection attempts before giving up
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnectionAttempts(v: number): this;
+    reconnectionAttempts(): number;
+    reconnectionAttempts(v?: number): this | number;
+    /**
+     * Sets the delay between reconnections.
+     *
+     * @param {Number} v - delay
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnectionDelay(v: number): this;
+    reconnectionDelay(): number;
+    reconnectionDelay(v?: number): this | number;
+    /**
+     * Sets the randomization factor
+     *
+     * @param v - the randomization factor
+     * @return self or value
+     * @public
+     */
+    randomizationFactor(v: number): this;
+    randomizationFactor(): number;
+    randomizationFactor(v?: number): this | number;
+    /**
+     * Sets the maximum delay between reconnections.
+     *
+     * @param v - delay
+     * @return self or value
+     * @public
+     */
+    reconnectionDelayMax(v: number): this;
+    reconnectionDelayMax(): number;
+    reconnectionDelayMax(v?: number): this | number;
+    /**
+     * Sets the connection timeout. `false` to disable
+     *
+     * @param v - connection timeout
+     * @return self or value
+     * @public
+     */
+    timeout(v: number | boolean): this;
+    timeout(): number | boolean;
+    timeout(v?: number | boolean): this | number | boolean;
+    /**
+     * Starts trying to reconnect if reconnection is enabled and we have not
+     * started reconnecting yet
+     *
+     * @private
+     */
+    private maybeReconnectOnOpen;
+    /**
+     * Sets the current transport `socket`.
+     *
+     * @param {Function} fn - optional, callback
+     * @return self
+     * @public
+     */
+    open(fn?: (err?: Error) => void): this;
+    /**
+     * Alias for open()
+     *
+     * @return self
+     * @public
+     */
+    connect(fn?: (err?: Error) => void): this;
+    /**
+     * Called upon transport open.
+     *
+     * @private
+     */
+    private onopen;
+    /**
+     * Called upon a ping.
+     *
+     * @private
+     */
+    private onping;
+    /**
+     * Called with data.
+     *
+     * @private
+     */
+    private ondata;
+    /**
+     * Called when parser fully decodes a packet.
+     *
+     * @private
+     */
+    private ondecoded;
+    /**
+     * Called upon socket error.
+     *
+     * @private
+     */
+    private onerror;
+    /**
+     * Creates a new socket for the given `nsp`.
+     *
+     * @return {Socket}
+     * @public
+     */
+    socket(nsp: string, opts?: Partial<SocketOptions>): Socket;
+    /**
+     * Called upon a socket close.
+     *
+     * @param socket
+     * @private
+     */
+    _destroy(socket: Socket): void;
+    /**
+     * Writes a packet.
+     *
+     * @param packet
+     * @private
+     */
+    _packet(packet: Partial<Packet & {
+        query: string;
+        options: any;
+    }>): void;
+    /**
+     * Clean up transport subscriptions and packet buffer.
+     *
+     * @private
+     */
+    private cleanup;
+    /**
+     * Close the current socket.
+     *
+     * @private
+     */
+    _close(): void;
+    /**
+     * Alias for close()
+     *
+     * @private
+     */
+    private disconnect;
+    /**
+     * Called when:
+     *
+     * - the low-level engine is closed
+     * - the parser encountered a badly formatted packet
+     * - all sockets are disconnected
+     *
+     * @private
+     */
+    private onclose;
+    /**
+     * Attempt a reconnection.
+     *
+     * @private
+     */
+    private reconnect;
+    /**
+     * Called upon successful reconnect.
+     *
+     * @private
+     */
+    private onreconnect;
+}
+export {};

node_modules/socket.io-client/build/cjs/manager.js

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+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = 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) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Manager = void 0;
+const engine_io_client_1 = require("engine.io-client");
+const socket_js_1 = require("./socket.js");
+const parser = __importStar(require("socket.io-parser"));
+const on_js_1 = require("./on.js");
+const backo2_js_1 = require("./contrib/backo2.js");
+const component_emitter_1 = require("@socket.io/component-emitter");
+const debug_1 = __importDefault(require("debug")); // debug()
+const debug = (0, debug_1.default)("socket.io-client:manager"); // debug()
+class Manager extends component_emitter_1.Emitter {
+    constructor(uri, opts) {
+        var _a;
+        super();
+        this.nsps = {};
+        this.subs = [];
+        if (uri && "object" === typeof uri) {
+            opts = uri;
+            uri = undefined;
+        }
+        opts = opts || {};
+        opts.path = opts.path || "/socket.io";
+        this.opts = opts;
+        (0, engine_io_client_1.installTimerFunctions)(this, opts);
+        this.reconnection(opts.reconnection !== false);
+        this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
+        this.reconnectionDelay(opts.reconnectionDelay || 1000);
+        this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
+        this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);
+        this.backoff = new backo2_js_1.Backoff({
+            min: this.reconnectionDelay(),
+            max: this.reconnectionDelayMax(),
+            jitter: this.randomizationFactor(),
+        });
+        this.timeout(null == opts.timeout ? 20000 : opts.timeout);
+        this._readyState = "closed";
+        this.uri = uri;
+        const _parser = opts.parser || parser;
+        this.encoder = new _parser.Encoder();
+        this.decoder = new _parser.Decoder();
+        this._autoConnect = opts.autoConnect !== false;
+        if (this._autoConnect)
+            this.open();
+    }
+    reconnection(v) {
+        if (!arguments.length)
+            return this._reconnection;
+        this._reconnection = !!v;
+        if (!v) {
+            this.skipReconnect = true;
+        }
+        return this;
+    }
+    reconnectionAttempts(v) {
+        if (v === undefined)
+            return this._reconnectionAttempts;
+        this._reconnectionAttempts = v;
+        return this;
+    }
+    reconnectionDelay(v) {
+        var _a;
+        if (v === undefined)
+            return this._reconnectionDelay;
+        this._reconnectionDelay = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);
+        return this;
+    }
+    randomizationFactor(v) {
+        var _a;
+        if (v === undefined)
+            return this._randomizationFactor;
+        this._randomizationFactor = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);
+        return this;
+    }
+    reconnectionDelayMax(v) {
+        var _a;
+        if (v === undefined)
+            return this._reconnectionDelayMax;
+        this._reconnectionDelayMax = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);
+        return this;
+    }
+    timeout(v) {
+        if (!arguments.length)
+            return this._timeout;
+        this._timeout = v;
+        return this;
+    }
+    /**
+     * Starts trying to reconnect if reconnection is enabled and we have not
+     * started reconnecting yet
+     *
+     * @private
+     */
+    maybeReconnectOnOpen() {
+        // Only try to reconnect if it's the first time we're connecting
+        if (!this._reconnecting &&
+            this._reconnection &&
+            this.backoff.attempts === 0) {
+            // keeps reconnection from firing twice for the same reconnection loop
+            this.reconnect();
+        }
+    }
+    /**
+     * Sets the current transport `socket`.
+     *
+     * @param {Function} fn - optional, callback
+     * @return self
+     * @public
+     */
+    open(fn) {
+        debug("readyState %s", this._readyState);
+        if (~this._readyState.indexOf("open"))
+            return this;
+        debug("opening %s", this.uri);
+        this.engine = new engine_io_client_1.Socket(this.uri, this.opts);
+        const socket = this.engine;
+        const self = this;
+        this._readyState = "opening";
+        this.skipReconnect = false;
+        // emit `open`
+        const openSubDestroy = (0, on_js_1.on)(socket, "open", function () {
+            self.onopen();
+            fn && fn();
+        });
+        const onError = (err) => {
+            debug("error");
+            this.cleanup();
+            this._readyState = "closed";
+            this.emitReserved("error", err);
+            if (fn) {
+                fn(err);
+            }
+            else {
+                // Only do this if there is no fn to handle the error
+                this.maybeReconnectOnOpen();
+            }
+        };
+        // emit `error`
+        const errorSub = (0, on_js_1.on)(socket, "error", onError);
+        if (false !== this._timeout) {
+            const timeout = this._timeout;
+            debug("connect attempt will timeout after %d", timeout);
+            // set timer
+            const timer = this.setTimeoutFn(() => {
+                debug("connect attempt timed out after %d", timeout);
+                openSubDestroy();
+                onError(new Error("timeout"));
+                socket.close();
+            }, timeout);
+            if (this.opts.autoUnref) {
+                timer.unref();
+            }
+            this.subs.push(() => {
+                this.clearTimeoutFn(timer);
+            });
+        }
+        this.subs.push(openSubDestroy);
+        this.subs.push(errorSub);
+        return this;
+    }
+    /**
+     * Alias for open()
+     *
+     * @return self
+     * @public
+     */
+    connect(fn) {
+        return this.open(fn);
+    }
+    /**
+     * Called upon transport open.
+     *
+     * @private
+     */
+    onopen() {
+        debug("open");
+        // clear old subs
+        this.cleanup();
+        // mark as open
+        this._readyState = "open";
+        this.emitReserved("open");
+        // add new subs
+        const socket = this.engine;
+        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)), 
+        // @ts-ignore
+        (0, on_js_1.on)(this.decoder, "decoded", this.ondecoded.bind(this)));
+    }
+    /**
+     * Called upon a ping.
+     *
+     * @private
+     */
+    onping() {
+        this.emitReserved("ping");
+    }
+    /**
+     * Called with data.
+     *
+     * @private
+     */
+    ondata(data) {
+        try {
+            this.decoder.add(data);
+        }
+        catch (e) {
+            this.onclose("parse error", e);
+        }
+    }
+    /**
+     * Called when parser fully decodes a packet.
+     *
+     * @private
+     */
+    ondecoded(packet) {
+        // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error"
+        (0, engine_io_client_1.nextTick)(() => {
+            this.emitReserved("packet", packet);
+        }, this.setTimeoutFn);
+    }
+    /**
+     * Called upon socket error.
+     *
+     * @private
+     */
+    onerror(err) {
+        debug("error", err);
+        this.emitReserved("error", err);
+    }
+    /**
+     * Creates a new socket for the given `nsp`.
+     *
+     * @return {Socket}
+     * @public
+     */
+    socket(nsp, opts) {
+        let socket = this.nsps[nsp];
+        if (!socket) {
+            socket = new socket_js_1.Socket(this, nsp, opts);
+            this.nsps[nsp] = socket;
+        }
+        else if (this._autoConnect && !socket.active) {
+            socket.connect();
+        }
+        return socket;
+    }
+    /**
+     * Called upon a socket close.
+     *
+     * @param socket
+     * @private
+     */
+    _destroy(socket) {
+        const nsps = Object.keys(this.nsps);
+        for (const nsp of nsps) {
+            const socket = this.nsps[nsp];
+            if (socket.active) {
+                debug("socket %s is still active, skipping close", nsp);
+                return;
+            }
+        }
+        this._close();
+    }
+    /**
+     * Writes a packet.
+     *
+     * @param packet
+     * @private
+     */
+    _packet(packet) {
+        debug("writing packet %j", packet);
+        const encodedPackets = this.encoder.encode(packet);
+        for (let i = 0; i < encodedPackets.length; i++) {
+            this.engine.write(encodedPackets[i], packet.options);
+        }
+    }
+    /**
+     * Clean up transport subscriptions and packet buffer.
+     *
+     * @private
+     */
+    cleanup() {
+        debug("cleanup");
+        this.subs.forEach((subDestroy) => subDestroy());
+        this.subs.length = 0;
+        this.decoder.destroy();
+    }
+    /**
+     * Close the current socket.
+     *
+     * @private
+     */
+    _close() {
+        debug("disconnect");
+        this.skipReconnect = true;
+        this._reconnecting = false;
+        this.onclose("forced close");
+    }
+    /**
+     * Alias for close()
+     *
+     * @private
+     */
+    disconnect() {
+        return this._close();
+    }
+    /**
+     * Called when:
+     *
+     * - the low-level engine is closed
+     * - the parser encountered a badly formatted packet
+     * - all sockets are disconnected
+     *
+     * @private
+     */
+    onclose(reason, description) {
+        var _a;
+        debug("closed due to %s", reason);
+        this.cleanup();
+        (_a = this.engine) === null || _a === void 0 ? void 0 : _a.close();
+        this.backoff.reset();
+        this._readyState = "closed";
+        this.emitReserved("close", reason, description);
+        if (this._reconnection && !this.skipReconnect) {
+            this.reconnect();
+        }
+    }
+    /**
+     * Attempt a reconnection.
+     *
+     * @private
+     */
+    reconnect() {
+        if (this._reconnecting || this.skipReconnect)
+            return this;
+        const self = this;
+        if (this.backoff.attempts >= this._reconnectionAttempts) {
+            debug("reconnect failed");
+            this.backoff.reset();
+            this.emitReserved("reconnect_failed");
+            this._reconnecting = false;
+        }
+        else {
+            const delay = this.backoff.duration();
+            debug("will wait %dms before reconnect attempt", delay);
+            this._reconnecting = true;
+            const timer = this.setTimeoutFn(() => {
+                if (self.skipReconnect)
+                    return;
+                debug("attempting reconnect");
+                this.emitReserved("reconnect_attempt", self.backoff.attempts);
+                // check again for the case socket closed in above events
+                if (self.skipReconnect)
+                    return;
+                self.open((err) => {
+                    if (err) {
+                        debug("reconnect attempt error");
+                        self._reconnecting = false;
+                        self.reconnect();
+                        this.emitReserved("reconnect_error", err);
+                    }
+                    else {
+                        debug("reconnect success");
+                        self.onreconnect();
+                    }
+                });
+            }, delay);
+            if (this.opts.autoUnref) {
+                timer.unref();
+            }
+            this.subs.push(() => {
+                this.clearTimeoutFn(timer);
+            });
+        }
+    }
+    /**
+     * Called upon successful reconnect.
+     *
+     * @private
+     */
+    onreconnect() {
+        const attempt = this.backoff.attempts;
+        this._reconnecting = false;
+        this.backoff.reset();
+        this.emitReserved("reconnect", attempt);
+    }
+}
+exports.Manager = Manager;

node_modules/socket.io-client/build/cjs/on.d.ts

@@ -0,0 +1,2 @@
+import { Emitter } from "@socket.io/component-emitter";
+export declare function on(obj: Emitter<any, any>, ev: string, fn: (err?: any) => any): VoidFunction;

node_modules/socket.io-client/build/cjs/on.js

@@ -0,0 +1,9 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.on = on;
+function on(obj, ev, fn) {
+    obj.on(ev, fn);
+    return function subDestroy() {
+        obj.off(ev, fn);
+    };
+}

node_modules/socket.io-client/build/cjs/socket.d.ts

@@ -0,0 +1,593 @@
+import { Packet } from "socket.io-parser";
+import { Manager } from "./manager.js";
+import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter";
+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 type DecorateAcknowledgements<E> = {
+    [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError<Params>) => Result : E[K];
+};
+export type Last<T extends any[]> = T extends [...infer H, infer L] ? L : any;
+export type AllButLast<T extends any[]> = T extends [...infer H, infer L] ? H : any[];
+export type FirstArg<T> = T extends (arg: infer Param) => infer Result ? Param : any;
+export interface SocketOptions {
+    /**
+     * the authentication payload sent when connecting to the Namespace
+     */
+    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;
+}
+export type DisconnectDescription = Error | {
+    description: string;
+    context?: unknown;
+};
+interface SocketReservedEvents {
+    connect: () => void;
+    connect_error: (err: Error) => void;
+    disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void;
+}
+/**
+ * A Socket is the fundamental class for interacting with the server.
+ *
+ * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
+ *
+ * @example
+ * const socket = io();
+ *
+ * socket.on("connect", () => {
+ *   console.log("connected");
+ * });
+ *
+ * // send an event to the server
+ * socket.emit("foo", "bar");
+ *
+ * socket.on("foobar", () => {
+ *   // an event was received from the server
+ * });
+ *
+ * // upon disconnection
+ * socket.on("disconnect", (reason) => {
+ *   console.log(`disconnected due to ${reason}`);
+ * });
+ */
+export declare class Socket<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<ListenEvents, EmitEvents, SocketReservedEvents> {
+    readonly io: Manager<ListenEvents, EmitEvents>;
+    /**
+     * A unique identifier for the session. `undefined` when the socket is not connected.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.id); // undefined
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.id); // "G5p5..."
+     * });
+     */
+    id: string | undefined;
+    /**
+     * 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.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.connected); // true
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.connected); // false
+     * });
+     */
+    connected: boolean;
+    /**
+     * 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.
+     *
+     * @example
+     * const socket = io({
+     *   auth: {
+     *     token: "abcd"
+     *   }
+     * });
+     *
+     * // or with a function
+     * const socket = io({
+     *   auth: (cb) => {
+     *     cb({ token: localStorage.token })
+     *   }
+     * });
+     */
+    auth: {
+        [key: string]: any;
+    } | ((cb: (data: object) => void) => void);
+    /**
+     * Buffer for packets received before the CONNECT packet
+     */
+    receiveBuffer: Array<ReadonlyArray<any>>;
+    /**
+     * Buffer for packets that will be sent once the socket is connected
+     */
+    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;
+    /**
+     * A sequence to generate the ID of the {@link QueuedPacket}.
+     * @private
+     */
+    private _queueSeq;
+    private readonly nsp;
+    private readonly _opts;
+    private ids;
+    /**
+     * A map containing acknowledgement handlers.
+     *
+     * The `withError` attribute is used to differentiate handlers that accept an error as first argument:
+     *
+     * - `socket.emit("test", (err, value) => { ... })` with `ackTimeout` option
+     * - `socket.timeout(5000).emit("test", (err, value) => { ... })`
+     * - `const value = await socket.emitWithAck("test")`
+     *
+     * From those that don't:
+     *
+     * - `socket.emit("test", (value) => { ... });`
+     *
+     * In the first case, the handlers will be called with an error when:
+     *
+     * - the timeout is reached
+     * - the socket gets disconnected
+     *
+     * In the second case, the handlers will be simply discarded upon disconnection, since the client will never receive
+     * an acknowledgement from the server.
+     *
+     * @private
+     */
+    private acks;
+    private flags;
+    private subs?;
+    private _anyListeners;
+    private _anyOutgoingListeners;
+    /**
+     * `Socket` constructor.
+     */
+    constructor(io: Manager, nsp: string, opts?: Partial<SocketOptions>);
+    /**
+     * Whether the socket is currently disconnected
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.disconnected); // false
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.disconnected); // true
+     * });
+     */
+    get disconnected(): boolean;
+    /**
+     * Subscribe to open, close and packet events
+     *
+     * @private
+     */
+    private subEvents;
+    /**
+     * Whether the Socket will try to reconnect when its Manager connects or reconnects.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.active); // true
+     *
+     * socket.on("disconnect", (reason) => {
+     *   if (reason === "io server disconnect") {
+     *     // the disconnection was initiated by the server, you need to manually reconnect
+     *     console.log(socket.active); // false
+     *   }
+     *   // else the socket will automatically try to reconnect
+     *   console.log(socket.active); // true
+     * });
+     */
+    get active(): boolean;
+    /**
+     * "Opens" the socket.
+     *
+     * @example
+     * const socket = io({
+     *   autoConnect: false
+     * });
+     *
+     * socket.connect();
+     */
+    connect(): this;
+    /**
+     * Alias for {@link connect()}.
+     */
+    open(): this;
+    /**
+     * Sends a `message` event.
+     *
+     * This method mimics the WebSocket.send() method.
+     *
+     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
+     *
+     * @example
+     * socket.send("hello");
+     *
+     * // this is equivalent to
+     * socket.emit("message", "hello");
+     *
+     * @return self
+     */
+    send(...args: any[]): this;
+    /**
+     * Override `emit`.
+     * If the event is in `events`, it's emitted normally.
+     *
+     * @example
+     * socket.emit("hello", "world");
+     *
+     * // all serializable datastructures are supported (no need to call JSON.stringify)
+     * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
+     *
+     * // with an acknowledgement from the server
+     * socket.emit("hello", "world", (val) => {
+     *   // ...
+     * });
+     *
+     * @return self
+     */
+    emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): this;
+    /**
+     * @private
+     */
+    private _registerAckCallback;
+    /**
+     * 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>>>>;
+    /**
+     * Add the packet to the queue.
+     * @param args
+     * @private
+     */
+    private _addToQueue;
+    /**
+     * Send the first packet of the queue, and wait for an acknowledgement from the server.
+     * @param force - whether to resend a packet that has not been acknowledged yet
+     *
+     * @private
+     */
+    private _drainQueue;
+    /**
+     * Sends a packet.
+     *
+     * @param packet
+     * @private
+     */
+    private packet;
+    /**
+     * Called upon engine `open`.
+     *
+     * @private
+     */
+    private onopen;
+    /**
+     * Sends a CONNECT packet to initiate the Socket.IO session.
+     *
+     * @param data
+     * @private
+     */
+    private _sendConnectPacket;
+    /**
+     * Called upon engine or manager `error`.
+     *
+     * @param err
+     * @private
+     */
+    private onerror;
+    /**
+     * Called upon engine `close`.
+     *
+     * @param reason
+     * @param description
+     * @private
+     */
+    private onclose;
+    /**
+     * Clears the acknowledgement handlers upon disconnection, since the client will never receive an acknowledgement from
+     * the server.
+     *
+     * @private
+     */
+    private _clearAcks;
+    /**
+     * Called with socket packet.
+     *
+     * @param packet
+     * @private
+     */
+    private onpacket;
+    /**
+     * Called upon a server event.
+     *
+     * @param packet
+     * @private
+     */
+    private onevent;
+    private emitEvent;
+    /**
+     * Produces an ack callback to emit with an event.
+     *
+     * @private
+     */
+    private ack;
+    /**
+     * Called upon a server acknowledgement.
+     *
+     * @param packet
+     * @private
+     */
+    private onack;
+    /**
+     * Called upon server connect.
+     *
+     * @private
+     */
+    private onconnect;
+    /**
+     * Emit buffered events (received and emitted).
+     *
+     * @private
+     */
+    private emitBuffered;
+    /**
+     * Called upon server disconnect.
+     *
+     * @private
+     */
+    private ondisconnect;
+    /**
+     * Called upon forced client/server side disconnections,
+     * this method ensures the manager stops tracking us and
+     * that reconnections don't get triggered for this.
+     *
+     * @private
+     */
+    private destroy;
+    /**
+     * Disconnects the socket manually. In that case, the socket will not try to reconnect.
+     *
+     * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("disconnect", (reason) => {
+     *   // console.log(reason); prints "io client disconnect"
+     * });
+     *
+     * socket.disconnect();
+     *
+     * @return self
+     */
+    disconnect(): this;
+    /**
+     * Alias for {@link disconnect()}.
+     *
+     * @return self
+     */
+    close(): this;
+    /**
+     * Sets the compress flag.
+     *
+     * @example
+     * socket.compress(false).emit("hello");
+     *
+     * @param compress - if `true`, compresses the sending data
+     * @return self
+     */
+    compress(compress: boolean): this;
+    /**
+     * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
+     * ready to send messages.
+     *
+     * @example
+     * socket.volatile.emit("hello"); // the server may or may not receive it
+     *
+     * @returns self
+     */
+    get volatile(): this;
+    /**
+     * Sets a modifier for a subsequent event emission that the callback will be called with an error when the
+     * given number of milliseconds have elapsed without an acknowledgement from the server:
+     *
+     * @example
+     * socket.timeout(5000).emit("my-event", (err) => {
+     *   if (err) {
+     *     // the server did not acknowledge the event in the given delay
+     *   }
+     * });
+     *
+     * @returns self
+     */
+    timeout(timeout: number): Socket<ListenEvents, DecorateAcknowledgements<EmitEvents>>;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * @example
+     * socket.onAny((event, ...args) => {
+     *   console.log(`got ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAny(listener: (...args: any[]) => void): this;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * @example
+     * socket.prependAny((event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAny(listener: (...args: any[]) => void): this;
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * }
+     *
+     * socket.onAny(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAny(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAny();
+     *
+     * @param listener
+     */
+    offAny(listener?: (...args: any[]) => void): this;
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAny(): ((...args: any[]) => void)[];
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.onAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAnyOutgoing(listener: (...args: any[]) => void): this;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.prependAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAnyOutgoing(listener: (...args: any[]) => void): this;
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * }
+     *
+     * socket.onAnyOutgoing(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAnyOutgoing(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAnyOutgoing();
+     *
+     * @param [listener] - the catch-all listener (optional)
+     */
+    offAnyOutgoing(listener?: (...args: any[]) => void): this;
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAnyOutgoing(): ((...args: any[]) => void)[];
+    /**
+     * Notify the listeners for each packet sent
+     *
+     * @param packet
+     *
+     * @private
+     */
+    private notifyOutgoingListeners;
+}
+export declare namespace Socket {
+    type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error";
+}
+export {};

node_modules/socket.io-client/build/cjs/socket.js

@@ -0,0 +1,910 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Socket = void 0;
+const socket_io_parser_1 = require("socket.io-parser");
+const on_js_1 = require("./on.js");
+const component_emitter_1 = require("@socket.io/component-emitter");
+const debug_1 = __importDefault(require("debug")); // debug()
+const debug = (0, debug_1.default)("socket.io-client:socket"); // debug()
+/**
+ * Internal events.
+ * These events can't be emitted by the user.
+ */
+const RESERVED_EVENTS = Object.freeze({
+    connect: 1,
+    connect_error: 1,
+    disconnect: 1,
+    disconnecting: 1,
+    // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener
+    newListener: 1,
+    removeListener: 1,
+});
+/**
+ * A Socket is the fundamental class for interacting with the server.
+ *
+ * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
+ *
+ * @example
+ * const socket = io();
+ *
+ * socket.on("connect", () => {
+ *   console.log("connected");
+ * });
+ *
+ * // send an event to the server
+ * socket.emit("foo", "bar");
+ *
+ * socket.on("foobar", () => {
+ *   // an event was received from the server
+ * });
+ *
+ * // upon disconnection
+ * socket.on("disconnect", (reason) => {
+ *   console.log(`disconnected due to ${reason}`);
+ * });
+ */
+class Socket extends component_emitter_1.Emitter {
+    /**
+     * `Socket` constructor.
+     */
+    constructor(io, nsp, opts) {
+        super();
+        /**
+         * Whether the socket is currently connected to the server.
+         *
+         * @example
+         * const socket = io();
+         *
+         * socket.on("connect", () => {
+         *   console.log(socket.connected); // true
+         * });
+         *
+         * socket.on("disconnect", () => {
+         *   console.log(socket.connected); // false
+         * });
+         */
+        this.connected = false;
+        /**
+         * 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
+         */
+        this.receiveBuffer = [];
+        /**
+         * Buffer for packets that will be sent once the socket is connected
+         */
+        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 = [];
+        /**
+         * A sequence to generate the ID of the {@link QueuedPacket}.
+         * @private
+         */
+        this._queueSeq = 0;
+        this.ids = 0;
+        /**
+         * A map containing acknowledgement handlers.
+         *
+         * The `withError` attribute is used to differentiate handlers that accept an error as first argument:
+         *
+         * - `socket.emit("test", (err, value) => { ... })` with `ackTimeout` option
+         * - `socket.timeout(5000).emit("test", (err, value) => { ... })`
+         * - `const value = await socket.emitWithAck("test")`
+         *
+         * From those that don't:
+         *
+         * - `socket.emit("test", (value) => { ... });`
+         *
+         * In the first case, the handlers will be called with an error when:
+         *
+         * - the timeout is reached
+         * - the socket gets disconnected
+         *
+         * In the second case, the handlers will be simply discarded upon disconnection, since the client will never receive
+         * an acknowledgement from the server.
+         *
+         * @private
+         */
+        this.acks = {};
+        this.flags = {};
+        this.io = io;
+        this.nsp = nsp;
+        if (opts && opts.auth) {
+            this.auth = opts.auth;
+        }
+        this._opts = Object.assign({}, opts);
+        if (this.io._autoConnect)
+            this.open();
+    }
+    /**
+     * Whether the socket is currently disconnected
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.disconnected); // false
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.disconnected); // true
+     * });
+     */
+    get disconnected() {
+        return !this.connected;
+    }
+    /**
+     * Subscribe to open, close and packet events
+     *
+     * @private
+     */
+    subEvents() {
+        if (this.subs)
+            return;
+        const io = this.io;
+        this.subs = [
+            (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)),
+        ];
+    }
+    /**
+     * Whether the Socket will try to reconnect when its Manager connects or reconnects.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.active); // true
+     *
+     * socket.on("disconnect", (reason) => {
+     *   if (reason === "io server disconnect") {
+     *     // the disconnection was initiated by the server, you need to manually reconnect
+     *     console.log(socket.active); // false
+     *   }
+     *   // else the socket will automatically try to reconnect
+     *   console.log(socket.active); // true
+     * });
+     */
+    get active() {
+        return !!this.subs;
+    }
+    /**
+     * "Opens" the socket.
+     *
+     * @example
+     * const socket = io({
+     *   autoConnect: false
+     * });
+     *
+     * socket.connect();
+     */
+    connect() {
+        if (this.connected)
+            return this;
+        this.subEvents();
+        if (!this.io["_reconnecting"])
+            this.io.open(); // ensure open
+        if ("open" === this.io._readyState)
+            this.onopen();
+        return this;
+    }
+    /**
+     * Alias for {@link connect()}.
+     */
+    open() {
+        return this.connect();
+    }
+    /**
+     * Sends a `message` event.
+     *
+     * This method mimics the WebSocket.send() method.
+     *
+     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
+     *
+     * @example
+     * socket.send("hello");
+     *
+     * // this is equivalent to
+     * socket.emit("message", "hello");
+     *
+     * @return self
+     */
+    send(...args) {
+        args.unshift("message");
+        this.emit.apply(this, args);
+        return this;
+    }
+    /**
+     * Override `emit`.
+     * If the event is in `events`, it's emitted normally.
+     *
+     * @example
+     * socket.emit("hello", "world");
+     *
+     * // all serializable datastructures are supported (no need to call JSON.stringify)
+     * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
+     *
+     * // with an acknowledgement from the server
+     * socket.emit("hello", "world", (val) => {
+     *   // ...
+     * });
+     *
+     * @return self
+     */
+    emit(ev, ...args) {
+        var _a, _b, _c;
+        if (RESERVED_EVENTS.hasOwnProperty(ev)) {
+            throw new Error('"' + ev.toString() + '" is a reserved event name');
+        }
+        args.unshift(ev);
+        if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {
+            this._addToQueue(args);
+            return this;
+        }
+        const packet = {
+            type: socket_io_parser_1.PacketType.EVENT,
+            data: args,
+        };
+        packet.options = {};
+        packet.options.compress = this.flags.compress !== false;
+        // event ack callback
+        if ("function" === typeof args[args.length - 1]) {
+            const id = this.ids++;
+            debug("emitting packet with ack id %d", id);
+            const ack = args.pop();
+            this._registerAckCallback(id, ack);
+            packet.id = id;
+        }
+        const isTransportWritable = (_b = (_a = this.io.engine) === null || _a === void 0 ? void 0 : _a.transport) === null || _b === void 0 ? void 0 : _b.writable;
+        const isConnected = this.connected && !((_c = this.io.engine) === null || _c === void 0 ? void 0 : _c._hasPingExpired());
+        const discardPacket = this.flags.volatile && !isTransportWritable;
+        if (discardPacket) {
+            debug("discard packet as the transport is not currently writable");
+        }
+        else if (isConnected) {
+            this.notifyOutgoingListeners(packet);
+            this.packet(packet);
+        }
+        else {
+            this.sendBuffer.push(packet);
+        }
+        this.flags = {};
+        return this;
+    }
+    /**
+     * @private
+     */
+    _registerAckCallback(id, ack) {
+        var _a;
+        const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;
+        if (timeout === undefined) {
+            this.acks[id] = ack;
+            return;
+        }
+        // @ts-ignore
+        const timer = this.io.setTimeoutFn(() => {
+            delete this.acks[id];
+            for (let i = 0; i < this.sendBuffer.length; i++) {
+                if (this.sendBuffer[i].id === id) {
+                    debug("removing packet with ack id %d from the buffer", id);
+                    this.sendBuffer.splice(i, 1);
+                }
+            }
+            debug("event with ack id %d has timed out after %d ms", id, timeout);
+            ack.call(this, new Error("operation has timed out"));
+        }, timeout);
+        const fn = (...args) => {
+            // @ts-ignore
+            this.io.clearTimeoutFn(timer);
+            ack.apply(this, args);
+        };
+        fn.withError = true;
+        this.acks[id] = fn;
+    }
+    /**
+     * 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) {
+        return new Promise((resolve, reject) => {
+            const fn = (arg1, arg2) => {
+                return arg1 ? reject(arg1) : resolve(arg2);
+            };
+            fn.withError = true;
+            args.push(fn);
+            this.emit(ev, ...args);
+        });
+    }
+    /**
+     * Add the packet to the queue.
+     * @param args
+     * @private
+     */
+    _addToQueue(args) {
+        let ack;
+        if (typeof args[args.length - 1] === "function") {
+            ack = args.pop();
+        }
+        const packet = {
+            id: this._queueSeq++,
+            tryCount: 0,
+            pending: false,
+            args,
+            flags: Object.assign({ fromQueue: true }, this.flags),
+        };
+        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 (ack) {
+                        ack(err);
+                    }
+                }
+            }
+            else {
+                debug("packet [%d] was successfully sent", packet.id);
+                this._queue.shift();
+                if (ack) {
+                    ack(null, ...responseArgs);
+                }
+            }
+            packet.pending = false;
+            return this._drainQueue();
+        });
+        this._queue.push(packet);
+        this._drainQueue();
+    }
+    /**
+     * Send the first packet of the queue, and wait for an acknowledgement from the server.
+     * @param force - whether to resend a packet that has not been acknowledged yet
+     *
+     * @private
+     */
+    _drainQueue(force = false) {
+        debug("draining queue");
+        if (!this.connected || this._queue.length === 0) {
+            return;
+        }
+        const packet = this._queue[0];
+        if (packet.pending && !force) {
+            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);
+        this.flags = packet.flags;
+        this.emit.apply(this, packet.args);
+    }
+    /**
+     * Sends a packet.
+     *
+     * @param packet
+     * @private
+     */
+    packet(packet) {
+        packet.nsp = this.nsp;
+        this.io._packet(packet);
+    }
+    /**
+     * Called upon engine `open`.
+     *
+     * @private
+     */
+    onopen() {
+        debug("transport is open - connecting");
+        if (typeof this.auth == "function") {
+            this.auth((data) => {
+                this._sendConnectPacket(data);
+            });
+        }
+        else {
+            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`.
+     *
+     * @param err
+     * @private
+     */
+    onerror(err) {
+        if (!this.connected) {
+            this.emitReserved("connect_error", err);
+        }
+    }
+    /**
+     * Called upon engine `close`.
+     *
+     * @param reason
+     * @param description
+     * @private
+     */
+    onclose(reason, description) {
+        debug("close (%s)", reason);
+        this.connected = false;
+        delete this.id;
+        this.emitReserved("disconnect", reason, description);
+        this._clearAcks();
+    }
+    /**
+     * Clears the acknowledgement handlers upon disconnection, since the client will never receive an acknowledgement from
+     * the server.
+     *
+     * @private
+     */
+    _clearAcks() {
+        Object.keys(this.acks).forEach((id) => {
+            const isBuffered = this.sendBuffer.some((packet) => String(packet.id) === id);
+            if (!isBuffered) {
+                // note: handlers that do not accept an error as first argument are ignored here
+                const ack = this.acks[id];
+                delete this.acks[id];
+                if (ack.withError) {
+                    ack.call(this, new Error("socket has been disconnected"));
+                }
+            }
+        });
+    }
+    /**
+     * Called with socket packet.
+     *
+     * @param packet
+     * @private
+     */
+    onpacket(packet) {
+        const sameNamespace = packet.nsp === this.nsp;
+        if (!sameNamespace)
+            return;
+        switch (packet.type) {
+            case socket_io_parser_1.PacketType.CONNECT:
+                if (packet.data && packet.data.sid) {
+                    this.onconnect(packet.data.sid, packet.data.pid);
+                }
+                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 socket_io_parser_1.PacketType.EVENT:
+            case socket_io_parser_1.PacketType.BINARY_EVENT:
+                this.onevent(packet);
+                break;
+            case socket_io_parser_1.PacketType.ACK:
+            case socket_io_parser_1.PacketType.BINARY_ACK:
+                this.onack(packet);
+                break;
+            case socket_io_parser_1.PacketType.DISCONNECT:
+                this.ondisconnect();
+                break;
+            case socket_io_parser_1.PacketType.CONNECT_ERROR:
+                this.destroy();
+                const err = new Error(packet.data.message);
+                // @ts-ignore
+                err.data = packet.data.data;
+                this.emitReserved("connect_error", err);
+                break;
+        }
+    }
+    /**
+     * Called upon a server event.
+     *
+     * @param packet
+     * @private
+     */
+    onevent(packet) {
+        const args = packet.data || [];
+        debug("emitting event %j", args);
+        if (null != packet.id) {
+            debug("attaching ack callback to event");
+            args.push(this.ack(packet.id));
+        }
+        if (this.connected) {
+            this.emitEvent(args);
+        }
+        else {
+            this.receiveBuffer.push(Object.freeze(args));
+        }
+    }
+    emitEvent(args) {
+        if (this._anyListeners && this._anyListeners.length) {
+            const listeners = this._anyListeners.slice();
+            for (const listener of listeners) {
+                listener.apply(this, args);
+            }
+        }
+        super.emit.apply(this, args);
+        if (this._pid && args.length && typeof args[args.length - 1] === "string") {
+            this._lastOffset = args[args.length - 1];
+        }
+    }
+    /**
+     * Produces an ack callback to emit with an event.
+     *
+     * @private
+     */
+    ack(id) {
+        const self = this;
+        let sent = false;
+        return function (...args) {
+            // prevent double callbacks
+            if (sent)
+                return;
+            sent = true;
+            debug("sending ack %j", args);
+            self.packet({
+                type: socket_io_parser_1.PacketType.ACK,
+                id: id,
+                data: args,
+            });
+        };
+    }
+    /**
+     * Called upon a server acknowledgement.
+     *
+     * @param packet
+     * @private
+     */
+    onack(packet) {
+        const ack = this.acks[packet.id];
+        if (typeof ack !== "function") {
+            debug("bad ack %s", packet.id);
+            return;
+        }
+        delete this.acks[packet.id];
+        debug("calling ack %s with %j", packet.id, packet.data);
+        // @ts-ignore FIXME ack is incorrectly inferred as 'never'
+        if (ack.withError) {
+            packet.data.unshift(null);
+        }
+        // @ts-ignore
+        ack.apply(this, packet.data);
+    }
+    /**
+     * Called upon server connect.
+     *
+     * @private
+     */
+    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;
+        this.emitBuffered();
+        this.emitReserved("connect");
+        this._drainQueue(true);
+    }
+    /**
+     * Emit buffered events (received and emitted).
+     *
+     * @private
+     */
+    emitBuffered() {
+        this.receiveBuffer.forEach((args) => this.emitEvent(args));
+        this.receiveBuffer = [];
+        this.sendBuffer.forEach((packet) => {
+            this.notifyOutgoingListeners(packet);
+            this.packet(packet);
+        });
+        this.sendBuffer = [];
+    }
+    /**
+     * Called upon server disconnect.
+     *
+     * @private
+     */
+    ondisconnect() {
+        debug("server disconnect (%s)", this.nsp);
+        this.destroy();
+        this.onclose("io server disconnect");
+    }
+    /**
+     * Called upon forced client/server side disconnections,
+     * this method ensures the manager stops tracking us and
+     * that reconnections don't get triggered for this.
+     *
+     * @private
+     */
+    destroy() {
+        if (this.subs) {
+            // clean subscriptions to avoid reconnections
+            this.subs.forEach((subDestroy) => subDestroy());
+            this.subs = undefined;
+        }
+        this.io["_destroy"](this);
+    }
+    /**
+     * Disconnects the socket manually. In that case, the socket will not try to reconnect.
+     *
+     * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("disconnect", (reason) => {
+     *   // console.log(reason); prints "io client disconnect"
+     * });
+     *
+     * socket.disconnect();
+     *
+     * @return self
+     */
+    disconnect() {
+        if (this.connected) {
+            debug("performing disconnect (%s)", this.nsp);
+            this.packet({ type: socket_io_parser_1.PacketType.DISCONNECT });
+        }
+        // remove socket from pool
+        this.destroy();
+        if (this.connected) {
+            // fire events
+            this.onclose("io client disconnect");
+        }
+        return this;
+    }
+    /**
+     * Alias for {@link disconnect()}.
+     *
+     * @return self
+     */
+    close() {
+        return this.disconnect();
+    }
+    /**
+     * Sets the compress flag.
+     *
+     * @example
+     * socket.compress(false).emit("hello");
+     *
+     * @param compress - if `true`, compresses the sending data
+     * @return self
+     */
+    compress(compress) {
+        this.flags.compress = compress;
+        return this;
+    }
+    /**
+     * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
+     * ready to send messages.
+     *
+     * @example
+     * socket.volatile.emit("hello"); // the server may or may not receive it
+     *
+     * @returns self
+     */
+    get volatile() {
+        this.flags.volatile = true;
+        return this;
+    }
+    /**
+     * Sets a modifier for a subsequent event emission that the callback will be called with an error when the
+     * given number of milliseconds have elapsed without an acknowledgement from the server:
+     *
+     * @example
+     * socket.timeout(5000).emit("my-event", (err) => {
+     *   if (err) {
+     *     // the server did not acknowledge the event in the given delay
+     *   }
+     * });
+     *
+     * @returns self
+     */
+    timeout(timeout) {
+        this.flags.timeout = timeout;
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * @example
+     * socket.onAny((event, ...args) => {
+     *   console.log(`got ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAny(listener) {
+        this._anyListeners = this._anyListeners || [];
+        this._anyListeners.push(listener);
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * @example
+     * socket.prependAny((event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAny(listener) {
+        this._anyListeners = this._anyListeners || [];
+        this._anyListeners.unshift(listener);
+        return this;
+    }
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * }
+     *
+     * socket.onAny(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAny(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAny();
+     *
+     * @param listener
+     */
+    offAny(listener) {
+        if (!this._anyListeners) {
+            return this;
+        }
+        if (listener) {
+            const listeners = this._anyListeners;
+            for (let i = 0; i < listeners.length; i++) {
+                if (listener === listeners[i]) {
+                    listeners.splice(i, 1);
+                    return this;
+                }
+            }
+        }
+        else {
+            this._anyListeners = [];
+        }
+        return this;
+    }
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAny() {
+        return this._anyListeners || [];
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.onAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAnyOutgoing(listener) {
+        this._anyOutgoingListeners = this._anyOutgoingListeners || [];
+        this._anyOutgoingListeners.push(listener);
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.prependAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAnyOutgoing(listener) {
+        this._anyOutgoingListeners = this._anyOutgoingListeners || [];
+        this._anyOutgoingListeners.unshift(listener);
+        return this;
+    }
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * }
+     *
+     * socket.onAnyOutgoing(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAnyOutgoing(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAnyOutgoing();
+     *
+     * @param [listener] - the catch-all listener (optional)
+     */
+    offAnyOutgoing(listener) {
+        if (!this._anyOutgoingListeners) {
+            return this;
+        }
+        if (listener) {
+            const listeners = this._anyOutgoingListeners;
+            for (let i = 0; i < listeners.length; i++) {
+                if (listener === listeners[i]) {
+                    listeners.splice(i, 1);
+                    return this;
+                }
+            }
+        }
+        else {
+            this._anyOutgoingListeners = [];
+        }
+        return this;
+    }
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAnyOutgoing() {
+        return this._anyOutgoingListeners || [];
+    }
+    /**
+     * Notify the listeners for each packet sent
+     *
+     * @param packet
+     *
+     * @private
+     */
+    notifyOutgoingListeners(packet) {
+        if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {
+            const listeners = this._anyOutgoingListeners.slice();
+            for (const listener of listeners) {
+                listener.apply(this, packet.data);
+            }
+        }
+    }
+}
+exports.Socket = Socket;

node_modules/socket.io-client/build/cjs/url.d.ts

@@ -0,0 +1,33 @@
+type ParsedUrl = {
+    source: string;
+    protocol: string;
+    authority: string;
+    userInfo: string;
+    user: string;
+    password: string;
+    host: string;
+    port: string;
+    relative: string;
+    path: string;
+    directory: string;
+    file: string;
+    query: string;
+    anchor: string;
+    pathNames: Array<string>;
+    queryKey: {
+        [key: string]: string;
+    };
+    id: string;
+    href: string;
+};
+/**
+ * URL parser.
+ *
+ * @param uri - url
+ * @param path - the request path of the connection
+ * @param loc - An object meant to mimic window.location.
+ *        Defaults to window.location.
+ * @public
+ */
+export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl;
+export {};

node_modules/socket.io-client/build/cjs/url.js

@@ -0,0 +1,69 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.url = url;
+const engine_io_client_1 = require("engine.io-client");
+const debug_1 = __importDefault(require("debug")); // debug()
+const debug = (0, debug_1.default)("socket.io-client:url"); // debug()
+/**
+ * URL parser.
+ *
+ * @param uri - url
+ * @param path - the request path of the connection
+ * @param loc - An object meant to mimic window.location.
+ *        Defaults to window.location.
+ * @public
+ */
+function url(uri, path = "", loc) {
+    let obj = uri;
+    // default to window.location
+    loc = loc || (typeof location !== "undefined" && location);
+    if (null == uri)
+        uri = loc.protocol + "//" + loc.host;
+    // relative path support
+    if (typeof uri === "string") {
+        if ("/" === uri.charAt(0)) {
+            if ("/" === uri.charAt(1)) {
+                uri = loc.protocol + uri;
+            }
+            else {
+                uri = loc.host + uri;
+            }
+        }
+        if (!/^(https?|wss?):\/\//.test(uri)) {
+            debug("protocol-less url %s", uri);
+            if ("undefined" !== typeof loc) {
+                uri = loc.protocol + "//" + uri;
+            }
+            else {
+                uri = "https://" + uri;
+            }
+        }
+        // parse
+        debug("parse %s", uri);
+        obj = (0, engine_io_client_1.parse)(uri);
+    }
+    // make sure we treat `localhost:80` and `localhost` equally
+    if (!obj.port) {
+        if (/^(http|ws)$/.test(obj.protocol)) {
+            obj.port = "80";
+        }
+        else if (/^(http|ws)s$/.test(obj.protocol)) {
+            obj.port = "443";
+        }
+    }
+    obj.path = obj.path || "/";
+    const ipv6 = obj.host.indexOf(":") !== -1;
+    const host = ipv6 ? "[" + obj.host + "]" : obj.host;
+    // define unique id
+    obj.id = obj.protocol + "://" + host + ":" + obj.port + path;
+    // define href
+    obj.href =
+        obj.protocol +
+            "://" +
+            host +
+            (loc && loc.port === obj.port ? "" : ":" + obj.port);
+    return obj;
+}

node_modules/socket.io-client/build/esm-debug/browser-entrypoint.d.ts

@@ -0,0 +1,2 @@
+import { io } from "./index.js";
+export default io;

node_modules/socket.io-client/build/esm-debug/browser-entrypoint.js

@@ -0,0 +1,2 @@
+import { io } from "./index.js";
+export default io;

node_modules/socket.io-client/build/esm-debug/contrib/backo2.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+export declare function Backoff(opts: any): void;

node_modules/socket.io-client/build/esm-debug/contrib/backo2.js

@@ -0,0 +1,66 @@
+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+export function Backoff(opts) {
+    opts = opts || {};
+    this.ms = opts.min || 100;
+    this.max = opts.max || 10000;
+    this.factor = opts.factor || 2;
+    this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
+    this.attempts = 0;
+}
+/**
+ * Return the backoff duration.
+ *
+ * @return {Number}
+ * @api public
+ */
+Backoff.prototype.duration = function () {
+    var ms = this.ms * Math.pow(this.factor, this.attempts++);
+    if (this.jitter) {
+        var rand = Math.random();
+        var deviation = Math.floor(rand * this.jitter * ms);
+        ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
+    }
+    return Math.min(ms, this.max) | 0;
+};
+/**
+ * Reset the number of attempts.
+ *
+ * @api public
+ */
+Backoff.prototype.reset = function () {
+    this.attempts = 0;
+};
+/**
+ * Set the minimum duration
+ *
+ * @api public
+ */
+Backoff.prototype.setMin = function (min) {
+    this.ms = min;
+};
+/**
+ * Set the maximum duration
+ *
+ * @api public
+ */
+Backoff.prototype.setMax = function (max) {
+    this.max = max;
+};
+/**
+ * Set the jitter
+ *
+ * @api public
+ */
+Backoff.prototype.setJitter = function (jitter) {
+    this.jitter = jitter;
+};

node_modules/socket.io-client/build/esm-debug/index.d.ts

@@ -0,0 +1,29 @@
+import { Manager, ManagerOptions } from "./manager.js";
+import { Socket, SocketOptions } from "./socket.js";
+/**
+ * Looks up an existing `Manager` for multiplexing.
+ * If the user summons:
+ *
+ *   `io('http://localhost/a');`
+ *   `io('http://localhost/b');`
+ *
+ * We reuse the existing instance based on same scheme/port/host,
+ * and we initialize sockets for each namespace.
+ *
+ * @public
+ */
+declare function lookup(opts?: Partial<ManagerOptions & SocketOptions>): Socket;
+declare function lookup(uri?: string, opts?: Partial<ManagerOptions & SocketOptions>): Socket;
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+export { protocol } from "socket.io-parser";
+/**
+ * Expose constructors for standalone build.
+ *
+ * @public
+ */
+export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, };
+export { Fetch, NodeXHR, XHR, NodeWebSocket, WebSocket, WebTransport, } from "engine.io-client";

node_modules/socket.io-client/build/esm-debug/index.js

@@ -0,0 +1,62 @@
+import { url } from "./url.js";
+import { Manager } from "./manager.js";
+import { Socket } from "./socket.js";
+import debugModule from "debug"; // debug()
+const debug = debugModule("socket.io-client"); // debug()
+/**
+ * Managers cache.
+ */
+const cache = {};
+function lookup(uri, opts) {
+    if (typeof uri === "object") {
+        opts = uri;
+        uri = undefined;
+    }
+    opts = opts || {};
+    const parsed = url(uri, opts.path || "/socket.io");
+    const source = parsed.source;
+    const id = parsed.id;
+    const path = parsed.path;
+    const sameNamespace = cache[id] && path in cache[id]["nsps"];
+    const newConnection = opts.forceNew ||
+        opts["force new connection"] ||
+        false === opts.multiplex ||
+        sameNamespace;
+    let io;
+    if (newConnection) {
+        debug("ignoring socket cache for %s", source);
+        io = new Manager(source, opts);
+    }
+    else {
+        if (!cache[id]) {
+            debug("new io instance for %s", source);
+            cache[id] = new Manager(source, opts);
+        }
+        io = cache[id];
+    }
+    if (parsed.query && !opts.query) {
+        opts.query = parsed.queryKey;
+    }
+    return io.socket(parsed.path, opts);
+}
+// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a
+// namespace (e.g. `io.connect(...)`), for backward compatibility
+Object.assign(lookup, {
+    Manager,
+    Socket,
+    io: lookup,
+    connect: lookup,
+});
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+export { protocol } from "socket.io-parser";
+/**
+ * Expose constructors for standalone build.
+ *
+ * @public
+ */
+export { Manager, Socket, lookup as io, lookup as connect, lookup as default, };
+export { Fetch, NodeXHR, XHR, NodeWebSocket, WebSocket, WebTransport, } from "engine.io-client";

node_modules/socket.io-client/build/esm-debug/manager.d.ts

@@ -0,0 +1,295 @@
+import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client";
+import { Socket, SocketOptions, DisconnectDescription } from "./socket.js";
+import { Packet } from "socket.io-parser";
+import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter";
+export interface ManagerOptions extends EngineOptions {
+    /**
+     * Should we force a new Manager for this connection?
+     * @default false
+     */
+    forceNew: boolean;
+    /**
+     * Should we multiplex our connection (reuse existing Manager) ?
+     * @default true
+     */
+    multiplex: boolean;
+    /**
+     * The path to get our client file from, in the case of the server
+     * serving it
+     * @default '/socket.io'
+     */
+    path: string;
+    /**
+     * Should we allow reconnections?
+     * @default true
+     */
+    reconnection: boolean;
+    /**
+     * How many reconnection attempts should we try?
+     * @default Infinity
+     */
+    reconnectionAttempts: number;
+    /**
+     * The time delay in milliseconds between reconnection attempts
+     * @default 1000
+     */
+    reconnectionDelay: number;
+    /**
+     * The max time delay in milliseconds between reconnection attempts
+     * @default 5000
+     */
+    reconnectionDelayMax: number;
+    /**
+     * Used in the exponential backoff jitter when reconnecting
+     * @default 0.5
+     */
+    randomizationFactor: number;
+    /**
+     * The timeout in milliseconds for our connection attempt
+     * @default 20000
+     */
+    timeout: number;
+    /**
+     * Should we automatically connect?
+     * @default true
+     */
+    autoConnect: boolean;
+    /**
+     * the parser to use. Defaults to an instance of the Parser that ships with socket.io.
+     */
+    parser: any;
+}
+interface ManagerReservedEvents {
+    open: () => void;
+    error: (err: Error) => void;
+    ping: () => void;
+    packet: (packet: Packet) => void;
+    close: (reason: string, description?: DisconnectDescription) => void;
+    reconnect_failed: () => void;
+    reconnect_attempt: (attempt: number) => void;
+    reconnect_error: (err: Error) => void;
+    reconnect: (attempt: number) => void;
+}
+export declare class Manager<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<{}, {}, ManagerReservedEvents> {
+    /**
+     * The Engine.IO client instance
+     *
+     * @public
+     */
+    engine: Engine;
+    /**
+     * @private
+     */
+    _autoConnect: boolean;
+    /**
+     * @private
+     */
+    _readyState: "opening" | "open" | "closed";
+    /**
+     * @private
+     */
+    _reconnecting: boolean;
+    private readonly uri;
+    opts: Partial<ManagerOptions>;
+    private nsps;
+    private subs;
+    private backoff;
+    private setTimeoutFn;
+    private clearTimeoutFn;
+    private _reconnection;
+    private _reconnectionAttempts;
+    private _reconnectionDelay;
+    private _randomizationFactor;
+    private _reconnectionDelayMax;
+    private _timeout;
+    private encoder;
+    private decoder;
+    private skipReconnect;
+    /**
+     * `Manager` constructor.
+     *
+     * @param uri - engine instance or engine uri/opts
+     * @param opts - options
+     * @public
+     */
+    constructor(opts: Partial<ManagerOptions>);
+    constructor(uri?: string, opts?: Partial<ManagerOptions>);
+    constructor(uri?: string | Partial<ManagerOptions>, opts?: Partial<ManagerOptions>);
+    /**
+     * Sets the `reconnection` config.
+     *
+     * @param {Boolean} v - true/false if it should automatically reconnect
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnection(v: boolean): this;
+    reconnection(): boolean;
+    reconnection(v?: boolean): this | boolean;
+    /**
+     * Sets the reconnection attempts config.
+     *
+     * @param {Number} v - max reconnection attempts before giving up
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnectionAttempts(v: number): this;
+    reconnectionAttempts(): number;
+    reconnectionAttempts(v?: number): this | number;
+    /**
+     * Sets the delay between reconnections.
+     *
+     * @param {Number} v - delay
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnectionDelay(v: number): this;
+    reconnectionDelay(): number;
+    reconnectionDelay(v?: number): this | number;
+    /**
+     * Sets the randomization factor
+     *
+     * @param v - the randomization factor
+     * @return self or value
+     * @public
+     */
+    randomizationFactor(v: number): this;
+    randomizationFactor(): number;
+    randomizationFactor(v?: number): this | number;
+    /**
+     * Sets the maximum delay between reconnections.
+     *
+     * @param v - delay
+     * @return self or value
+     * @public
+     */
+    reconnectionDelayMax(v: number): this;
+    reconnectionDelayMax(): number;
+    reconnectionDelayMax(v?: number): this | number;
+    /**
+     * Sets the connection timeout. `false` to disable
+     *
+     * @param v - connection timeout
+     * @return self or value
+     * @public
+     */
+    timeout(v: number | boolean): this;
+    timeout(): number | boolean;
+    timeout(v?: number | boolean): this | number | boolean;
+    /**
+     * Starts trying to reconnect if reconnection is enabled and we have not
+     * started reconnecting yet
+     *
+     * @private
+     */
+    private maybeReconnectOnOpen;
+    /**
+     * Sets the current transport `socket`.
+     *
+     * @param {Function} fn - optional, callback
+     * @return self
+     * @public
+     */
+    open(fn?: (err?: Error) => void): this;
+    /**
+     * Alias for open()
+     *
+     * @return self
+     * @public
+     */
+    connect(fn?: (err?: Error) => void): this;
+    /**
+     * Called upon transport open.
+     *
+     * @private
+     */
+    private onopen;
+    /**
+     * Called upon a ping.
+     *
+     * @private
+     */
+    private onping;
+    /**
+     * Called with data.
+     *
+     * @private
+     */
+    private ondata;
+    /**
+     * Called when parser fully decodes a packet.
+     *
+     * @private
+     */
+    private ondecoded;
+    /**
+     * Called upon socket error.
+     *
+     * @private
+     */
+    private onerror;
+    /**
+     * Creates a new socket for the given `nsp`.
+     *
+     * @return {Socket}
+     * @public
+     */
+    socket(nsp: string, opts?: Partial<SocketOptions>): Socket;
+    /**
+     * Called upon a socket close.
+     *
+     * @param socket
+     * @private
+     */
+    _destroy(socket: Socket): void;
+    /**
+     * Writes a packet.
+     *
+     * @param packet
+     * @private
+     */
+    _packet(packet: Partial<Packet & {
+        query: string;
+        options: any;
+    }>): void;
+    /**
+     * Clean up transport subscriptions and packet buffer.
+     *
+     * @private
+     */
+    private cleanup;
+    /**
+     * Close the current socket.
+     *
+     * @private
+     */
+    _close(): void;
+    /**
+     * Alias for close()
+     *
+     * @private
+     */
+    private disconnect;
+    /**
+     * Called when:
+     *
+     * - the low-level engine is closed
+     * - the parser encountered a badly formatted packet
+     * - all sockets are disconnected
+     *
+     * @private
+     */
+    private onclose;
+    /**
+     * Attempt a reconnection.
+     *
+     * @private
+     */
+    private reconnect;
+    /**
+     * Called upon successful reconnect.
+     *
+     * @private
+     */
+    private onreconnect;
+}
+export {};

node_modules/socket.io-client/build/esm-debug/manager.js

@@ -0,0 +1,386 @@
+import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client";
+import { Socket } from "./socket.js";
+import * as parser from "socket.io-parser";
+import { on } from "./on.js";
+import { Backoff } from "./contrib/backo2.js";
+import { Emitter, } from "@socket.io/component-emitter";
+import debugModule from "debug"; // debug()
+const debug = debugModule("socket.io-client:manager"); // debug()
+export class Manager extends Emitter {
+    constructor(uri, opts) {
+        var _a;
+        super();
+        this.nsps = {};
+        this.subs = [];
+        if (uri && "object" === typeof uri) {
+            opts = uri;
+            uri = undefined;
+        }
+        opts = opts || {};
+        opts.path = opts.path || "/socket.io";
+        this.opts = opts;
+        installTimerFunctions(this, opts);
+        this.reconnection(opts.reconnection !== false);
+        this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
+        this.reconnectionDelay(opts.reconnectionDelay || 1000);
+        this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
+        this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);
+        this.backoff = new Backoff({
+            min: this.reconnectionDelay(),
+            max: this.reconnectionDelayMax(),
+            jitter: this.randomizationFactor(),
+        });
+        this.timeout(null == opts.timeout ? 20000 : opts.timeout);
+        this._readyState = "closed";
+        this.uri = uri;
+        const _parser = opts.parser || parser;
+        this.encoder = new _parser.Encoder();
+        this.decoder = new _parser.Decoder();
+        this._autoConnect = opts.autoConnect !== false;
+        if (this._autoConnect)
+            this.open();
+    }
+    reconnection(v) {
+        if (!arguments.length)
+            return this._reconnection;
+        this._reconnection = !!v;
+        if (!v) {
+            this.skipReconnect = true;
+        }
+        return this;
+    }
+    reconnectionAttempts(v) {
+        if (v === undefined)
+            return this._reconnectionAttempts;
+        this._reconnectionAttempts = v;
+        return this;
+    }
+    reconnectionDelay(v) {
+        var _a;
+        if (v === undefined)
+            return this._reconnectionDelay;
+        this._reconnectionDelay = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);
+        return this;
+    }
+    randomizationFactor(v) {
+        var _a;
+        if (v === undefined)
+            return this._randomizationFactor;
+        this._randomizationFactor = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);
+        return this;
+    }
+    reconnectionDelayMax(v) {
+        var _a;
+        if (v === undefined)
+            return this._reconnectionDelayMax;
+        this._reconnectionDelayMax = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);
+        return this;
+    }
+    timeout(v) {
+        if (!arguments.length)
+            return this._timeout;
+        this._timeout = v;
+        return this;
+    }
+    /**
+     * Starts trying to reconnect if reconnection is enabled and we have not
+     * started reconnecting yet
+     *
+     * @private
+     */
+    maybeReconnectOnOpen() {
+        // Only try to reconnect if it's the first time we're connecting
+        if (!this._reconnecting &&
+            this._reconnection &&
+            this.backoff.attempts === 0) {
+            // keeps reconnection from firing twice for the same reconnection loop
+            this.reconnect();
+        }
+    }
+    /**
+     * Sets the current transport `socket`.
+     *
+     * @param {Function} fn - optional, callback
+     * @return self
+     * @public
+     */
+    open(fn) {
+        debug("readyState %s", this._readyState);
+        if (~this._readyState.indexOf("open"))
+            return this;
+        debug("opening %s", this.uri);
+        this.engine = new Engine(this.uri, this.opts);
+        const socket = this.engine;
+        const self = this;
+        this._readyState = "opening";
+        this.skipReconnect = false;
+        // emit `open`
+        const openSubDestroy = on(socket, "open", function () {
+            self.onopen();
+            fn && fn();
+        });
+        const onError = (err) => {
+            debug("error");
+            this.cleanup();
+            this._readyState = "closed";
+            this.emitReserved("error", err);
+            if (fn) {
+                fn(err);
+            }
+            else {
+                // Only do this if there is no fn to handle the error
+                this.maybeReconnectOnOpen();
+            }
+        };
+        // emit `error`
+        const errorSub = on(socket, "error", onError);
+        if (false !== this._timeout) {
+            const timeout = this._timeout;
+            debug("connect attempt will timeout after %d", timeout);
+            // set timer
+            const timer = this.setTimeoutFn(() => {
+                debug("connect attempt timed out after %d", timeout);
+                openSubDestroy();
+                onError(new Error("timeout"));
+                socket.close();
+            }, timeout);
+            if (this.opts.autoUnref) {
+                timer.unref();
+            }
+            this.subs.push(() => {
+                this.clearTimeoutFn(timer);
+            });
+        }
+        this.subs.push(openSubDestroy);
+        this.subs.push(errorSub);
+        return this;
+    }
+    /**
+     * Alias for open()
+     *
+     * @return self
+     * @public
+     */
+    connect(fn) {
+        return this.open(fn);
+    }
+    /**
+     * Called upon transport open.
+     *
+     * @private
+     */
+    onopen() {
+        debug("open");
+        // clear old subs
+        this.cleanup();
+        // mark as open
+        this._readyState = "open";
+        this.emitReserved("open");
+        // add new subs
+        const socket = this.engine;
+        this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), 
+        // @ts-ignore
+        on(this.decoder, "decoded", this.ondecoded.bind(this)));
+    }
+    /**
+     * Called upon a ping.
+     *
+     * @private
+     */
+    onping() {
+        this.emitReserved("ping");
+    }
+    /**
+     * Called with data.
+     *
+     * @private
+     */
+    ondata(data) {
+        try {
+            this.decoder.add(data);
+        }
+        catch (e) {
+            this.onclose("parse error", e);
+        }
+    }
+    /**
+     * Called when parser fully decodes a packet.
+     *
+     * @private
+     */
+    ondecoded(packet) {
+        // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error"
+        nextTick(() => {
+            this.emitReserved("packet", packet);
+        }, this.setTimeoutFn);
+    }
+    /**
+     * Called upon socket error.
+     *
+     * @private
+     */
+    onerror(err) {
+        debug("error", err);
+        this.emitReserved("error", err);
+    }
+    /**
+     * Creates a new socket for the given `nsp`.
+     *
+     * @return {Socket}
+     * @public
+     */
+    socket(nsp, opts) {
+        let socket = this.nsps[nsp];
+        if (!socket) {
+            socket = new Socket(this, nsp, opts);
+            this.nsps[nsp] = socket;
+        }
+        else if (this._autoConnect && !socket.active) {
+            socket.connect();
+        }
+        return socket;
+    }
+    /**
+     * Called upon a socket close.
+     *
+     * @param socket
+     * @private
+     */
+    _destroy(socket) {
+        const nsps = Object.keys(this.nsps);
+        for (const nsp of nsps) {
+            const socket = this.nsps[nsp];
+            if (socket.active) {
+                debug("socket %s is still active, skipping close", nsp);
+                return;
+            }
+        }
+        this._close();
+    }
+    /**
+     * Writes a packet.
+     *
+     * @param packet
+     * @private
+     */
+    _packet(packet) {
+        debug("writing packet %j", packet);
+        const encodedPackets = this.encoder.encode(packet);
+        for (let i = 0; i < encodedPackets.length; i++) {
+            this.engine.write(encodedPackets[i], packet.options);
+        }
+    }
+    /**
+     * Clean up transport subscriptions and packet buffer.
+     *
+     * @private
+     */
+    cleanup() {
+        debug("cleanup");
+        this.subs.forEach((subDestroy) => subDestroy());
+        this.subs.length = 0;
+        this.decoder.destroy();
+    }
+    /**
+     * Close the current socket.
+     *
+     * @private
+     */
+    _close() {
+        debug("disconnect");
+        this.skipReconnect = true;
+        this._reconnecting = false;
+        this.onclose("forced close");
+    }
+    /**
+     * Alias for close()
+     *
+     * @private
+     */
+    disconnect() {
+        return this._close();
+    }
+    /**
+     * Called when:
+     *
+     * - the low-level engine is closed
+     * - the parser encountered a badly formatted packet
+     * - all sockets are disconnected
+     *
+     * @private
+     */
+    onclose(reason, description) {
+        var _a;
+        debug("closed due to %s", reason);
+        this.cleanup();
+        (_a = this.engine) === null || _a === void 0 ? void 0 : _a.close();
+        this.backoff.reset();
+        this._readyState = "closed";
+        this.emitReserved("close", reason, description);
+        if (this._reconnection && !this.skipReconnect) {
+            this.reconnect();
+        }
+    }
+    /**
+     * Attempt a reconnection.
+     *
+     * @private
+     */
+    reconnect() {
+        if (this._reconnecting || this.skipReconnect)
+            return this;
+        const self = this;
+        if (this.backoff.attempts >= this._reconnectionAttempts) {
+            debug("reconnect failed");
+            this.backoff.reset();
+            this.emitReserved("reconnect_failed");
+            this._reconnecting = false;
+        }
+        else {
+            const delay = this.backoff.duration();
+            debug("will wait %dms before reconnect attempt", delay);
+            this._reconnecting = true;
+            const timer = this.setTimeoutFn(() => {
+                if (self.skipReconnect)
+                    return;
+                debug("attempting reconnect");
+                this.emitReserved("reconnect_attempt", self.backoff.attempts);
+                // check again for the case socket closed in above events
+                if (self.skipReconnect)
+                    return;
+                self.open((err) => {
+                    if (err) {
+                        debug("reconnect attempt error");
+                        self._reconnecting = false;
+                        self.reconnect();
+                        this.emitReserved("reconnect_error", err);
+                    }
+                    else {
+                        debug("reconnect success");
+                        self.onreconnect();
+                    }
+                });
+            }, delay);
+            if (this.opts.autoUnref) {
+                timer.unref();
+            }
+            this.subs.push(() => {
+                this.clearTimeoutFn(timer);
+            });
+        }
+    }
+    /**
+     * Called upon successful reconnect.
+     *
+     * @private
+     */
+    onreconnect() {
+        const attempt = this.backoff.attempts;
+        this._reconnecting = false;
+        this.backoff.reset();
+        this.emitReserved("reconnect", attempt);
+    }
+}

node_modules/socket.io-client/build/esm-debug/on.d.ts

@@ -0,0 +1,2 @@
+import { Emitter } from "@socket.io/component-emitter";
+export declare function on(obj: Emitter<any, any>, ev: string, fn: (err?: any) => any): VoidFunction;

node_modules/socket.io-client/build/esm-debug/on.js

@@ -0,0 +1,6 @@
+export function on(obj, ev, fn) {
+    obj.on(ev, fn);
+    return function subDestroy() {
+        obj.off(ev, fn);
+    };
+}

node_modules/socket.io-client/build/esm-debug/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "socket.io-client",
+  "version": "4.7.5",
+  "type": "module"
+}

node_modules/socket.io-client/build/esm-debug/socket.d.ts

@@ -0,0 +1,593 @@
+import { Packet } from "socket.io-parser";
+import { Manager } from "./manager.js";
+import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter";
+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 type DecorateAcknowledgements<E> = {
+    [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError<Params>) => Result : E[K];
+};
+export type Last<T extends any[]> = T extends [...infer H, infer L] ? L : any;
+export type AllButLast<T extends any[]> = T extends [...infer H, infer L] ? H : any[];
+export type FirstArg<T> = T extends (arg: infer Param) => infer Result ? Param : any;
+export interface SocketOptions {
+    /**
+     * the authentication payload sent when connecting to the Namespace
+     */
+    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;
+}
+export type DisconnectDescription = Error | {
+    description: string;
+    context?: unknown;
+};
+interface SocketReservedEvents {
+    connect: () => void;
+    connect_error: (err: Error) => void;
+    disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void;
+}
+/**
+ * A Socket is the fundamental class for interacting with the server.
+ *
+ * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
+ *
+ * @example
+ * const socket = io();
+ *
+ * socket.on("connect", () => {
+ *   console.log("connected");
+ * });
+ *
+ * // send an event to the server
+ * socket.emit("foo", "bar");
+ *
+ * socket.on("foobar", () => {
+ *   // an event was received from the server
+ * });
+ *
+ * // upon disconnection
+ * socket.on("disconnect", (reason) => {
+ *   console.log(`disconnected due to ${reason}`);
+ * });
+ */
+export declare class Socket<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<ListenEvents, EmitEvents, SocketReservedEvents> {
+    readonly io: Manager<ListenEvents, EmitEvents>;
+    /**
+     * A unique identifier for the session. `undefined` when the socket is not connected.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.id); // undefined
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.id); // "G5p5..."
+     * });
+     */
+    id: string | undefined;
+    /**
+     * 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.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.connected); // true
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.connected); // false
+     * });
+     */
+    connected: boolean;
+    /**
+     * 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.
+     *
+     * @example
+     * const socket = io({
+     *   auth: {
+     *     token: "abcd"
+     *   }
+     * });
+     *
+     * // or with a function
+     * const socket = io({
+     *   auth: (cb) => {
+     *     cb({ token: localStorage.token })
+     *   }
+     * });
+     */
+    auth: {
+        [key: string]: any;
+    } | ((cb: (data: object) => void) => void);
+    /**
+     * Buffer for packets received before the CONNECT packet
+     */
+    receiveBuffer: Array<ReadonlyArray<any>>;
+    /**
+     * Buffer for packets that will be sent once the socket is connected
+     */
+    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;
+    /**
+     * A sequence to generate the ID of the {@link QueuedPacket}.
+     * @private
+     */
+    private _queueSeq;
+    private readonly nsp;
+    private readonly _opts;
+    private ids;
+    /**
+     * A map containing acknowledgement handlers.
+     *
+     * The `withError` attribute is used to differentiate handlers that accept an error as first argument:
+     *
+     * - `socket.emit("test", (err, value) => { ... })` with `ackTimeout` option
+     * - `socket.timeout(5000).emit("test", (err, value) => { ... })`
+     * - `const value = await socket.emitWithAck("test")`
+     *
+     * From those that don't:
+     *
+     * - `socket.emit("test", (value) => { ... });`
+     *
+     * In the first case, the handlers will be called with an error when:
+     *
+     * - the timeout is reached
+     * - the socket gets disconnected
+     *
+     * In the second case, the handlers will be simply discarded upon disconnection, since the client will never receive
+     * an acknowledgement from the server.
+     *
+     * @private
+     */
+    private acks;
+    private flags;
+    private subs?;
+    private _anyListeners;
+    private _anyOutgoingListeners;
+    /**
+     * `Socket` constructor.
+     */
+    constructor(io: Manager, nsp: string, opts?: Partial<SocketOptions>);
+    /**
+     * Whether the socket is currently disconnected
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.disconnected); // false
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.disconnected); // true
+     * });
+     */
+    get disconnected(): boolean;
+    /**
+     * Subscribe to open, close and packet events
+     *
+     * @private
+     */
+    private subEvents;
+    /**
+     * Whether the Socket will try to reconnect when its Manager connects or reconnects.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.active); // true
+     *
+     * socket.on("disconnect", (reason) => {
+     *   if (reason === "io server disconnect") {
+     *     // the disconnection was initiated by the server, you need to manually reconnect
+     *     console.log(socket.active); // false
+     *   }
+     *   // else the socket will automatically try to reconnect
+     *   console.log(socket.active); // true
+     * });
+     */
+    get active(): boolean;
+    /**
+     * "Opens" the socket.
+     *
+     * @example
+     * const socket = io({
+     *   autoConnect: false
+     * });
+     *
+     * socket.connect();
+     */
+    connect(): this;
+    /**
+     * Alias for {@link connect()}.
+     */
+    open(): this;
+    /**
+     * Sends a `message` event.
+     *
+     * This method mimics the WebSocket.send() method.
+     *
+     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
+     *
+     * @example
+     * socket.send("hello");
+     *
+     * // this is equivalent to
+     * socket.emit("message", "hello");
+     *
+     * @return self
+     */
+    send(...args: any[]): this;
+    /**
+     * Override `emit`.
+     * If the event is in `events`, it's emitted normally.
+     *
+     * @example
+     * socket.emit("hello", "world");
+     *
+     * // all serializable datastructures are supported (no need to call JSON.stringify)
+     * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
+     *
+     * // with an acknowledgement from the server
+     * socket.emit("hello", "world", (val) => {
+     *   // ...
+     * });
+     *
+     * @return self
+     */
+    emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): this;
+    /**
+     * @private
+     */
+    private _registerAckCallback;
+    /**
+     * 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>>>>;
+    /**
+     * Add the packet to the queue.
+     * @param args
+     * @private
+     */
+    private _addToQueue;
+    /**
+     * Send the first packet of the queue, and wait for an acknowledgement from the server.
+     * @param force - whether to resend a packet that has not been acknowledged yet
+     *
+     * @private
+     */
+    private _drainQueue;
+    /**
+     * Sends a packet.
+     *
+     * @param packet
+     * @private
+     */
+    private packet;
+    /**
+     * Called upon engine `open`.
+     *
+     * @private
+     */
+    private onopen;
+    /**
+     * Sends a CONNECT packet to initiate the Socket.IO session.
+     *
+     * @param data
+     * @private
+     */
+    private _sendConnectPacket;
+    /**
+     * Called upon engine or manager `error`.
+     *
+     * @param err
+     * @private
+     */
+    private onerror;
+    /**
+     * Called upon engine `close`.
+     *
+     * @param reason
+     * @param description
+     * @private
+     */
+    private onclose;
+    /**
+     * Clears the acknowledgement handlers upon disconnection, since the client will never receive an acknowledgement from
+     * the server.
+     *
+     * @private
+     */
+    private _clearAcks;
+    /**
+     * Called with socket packet.
+     *
+     * @param packet
+     * @private
+     */
+    private onpacket;
+    /**
+     * Called upon a server event.
+     *
+     * @param packet
+     * @private
+     */
+    private onevent;
+    private emitEvent;
+    /**
+     * Produces an ack callback to emit with an event.
+     *
+     * @private
+     */
+    private ack;
+    /**
+     * Called upon a server acknowledgement.
+     *
+     * @param packet
+     * @private
+     */
+    private onack;
+    /**
+     * Called upon server connect.
+     *
+     * @private
+     */
+    private onconnect;
+    /**
+     * Emit buffered events (received and emitted).
+     *
+     * @private
+     */
+    private emitBuffered;
+    /**
+     * Called upon server disconnect.
+     *
+     * @private
+     */
+    private ondisconnect;
+    /**
+     * Called upon forced client/server side disconnections,
+     * this method ensures the manager stops tracking us and
+     * that reconnections don't get triggered for this.
+     *
+     * @private
+     */
+    private destroy;
+    /**
+     * Disconnects the socket manually. In that case, the socket will not try to reconnect.
+     *
+     * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("disconnect", (reason) => {
+     *   // console.log(reason); prints "io client disconnect"
+     * });
+     *
+     * socket.disconnect();
+     *
+     * @return self
+     */
+    disconnect(): this;
+    /**
+     * Alias for {@link disconnect()}.
+     *
+     * @return self
+     */
+    close(): this;
+    /**
+     * Sets the compress flag.
+     *
+     * @example
+     * socket.compress(false).emit("hello");
+     *
+     * @param compress - if `true`, compresses the sending data
+     * @return self
+     */
+    compress(compress: boolean): this;
+    /**
+     * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
+     * ready to send messages.
+     *
+     * @example
+     * socket.volatile.emit("hello"); // the server may or may not receive it
+     *
+     * @returns self
+     */
+    get volatile(): this;
+    /**
+     * Sets a modifier for a subsequent event emission that the callback will be called with an error when the
+     * given number of milliseconds have elapsed without an acknowledgement from the server:
+     *
+     * @example
+     * socket.timeout(5000).emit("my-event", (err) => {
+     *   if (err) {
+     *     // the server did not acknowledge the event in the given delay
+     *   }
+     * });
+     *
+     * @returns self
+     */
+    timeout(timeout: number): Socket<ListenEvents, DecorateAcknowledgements<EmitEvents>>;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * @example
+     * socket.onAny((event, ...args) => {
+     *   console.log(`got ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAny(listener: (...args: any[]) => void): this;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * @example
+     * socket.prependAny((event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAny(listener: (...args: any[]) => void): this;
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * }
+     *
+     * socket.onAny(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAny(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAny();
+     *
+     * @param listener
+     */
+    offAny(listener?: (...args: any[]) => void): this;
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAny(): ((...args: any[]) => void)[];
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.onAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAnyOutgoing(listener: (...args: any[]) => void): this;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.prependAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAnyOutgoing(listener: (...args: any[]) => void): this;
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * }
+     *
+     * socket.onAnyOutgoing(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAnyOutgoing(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAnyOutgoing();
+     *
+     * @param [listener] - the catch-all listener (optional)
+     */
+    offAnyOutgoing(listener?: (...args: any[]) => void): this;
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAnyOutgoing(): ((...args: any[]) => void)[];
+    /**
+     * Notify the listeners for each packet sent
+     *
+     * @param packet
+     *
+     * @private
+     */
+    private notifyOutgoingListeners;
+}
+export declare namespace Socket {
+    type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error";
+}
+export {};

node_modules/socket.io-client/build/esm-debug/socket.js

@@ -0,0 +1,903 @@
+import { PacketType } from "socket.io-parser";
+import { on } from "./on.js";
+import { Emitter, } from "@socket.io/component-emitter";
+import debugModule from "debug"; // debug()
+const debug = debugModule("socket.io-client:socket"); // debug()
+/**
+ * Internal events.
+ * These events can't be emitted by the user.
+ */
+const RESERVED_EVENTS = Object.freeze({
+    connect: 1,
+    connect_error: 1,
+    disconnect: 1,
+    disconnecting: 1,
+    // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener
+    newListener: 1,
+    removeListener: 1,
+});
+/**
+ * A Socket is the fundamental class for interacting with the server.
+ *
+ * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
+ *
+ * @example
+ * const socket = io();
+ *
+ * socket.on("connect", () => {
+ *   console.log("connected");
+ * });
+ *
+ * // send an event to the server
+ * socket.emit("foo", "bar");
+ *
+ * socket.on("foobar", () => {
+ *   // an event was received from the server
+ * });
+ *
+ * // upon disconnection
+ * socket.on("disconnect", (reason) => {
+ *   console.log(`disconnected due to ${reason}`);
+ * });
+ */
+export class Socket extends Emitter {
+    /**
+     * `Socket` constructor.
+     */
+    constructor(io, nsp, opts) {
+        super();
+        /**
+         * Whether the socket is currently connected to the server.
+         *
+         * @example
+         * const socket = io();
+         *
+         * socket.on("connect", () => {
+         *   console.log(socket.connected); // true
+         * });
+         *
+         * socket.on("disconnect", () => {
+         *   console.log(socket.connected); // false
+         * });
+         */
+        this.connected = false;
+        /**
+         * 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
+         */
+        this.receiveBuffer = [];
+        /**
+         * Buffer for packets that will be sent once the socket is connected
+         */
+        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 = [];
+        /**
+         * A sequence to generate the ID of the {@link QueuedPacket}.
+         * @private
+         */
+        this._queueSeq = 0;
+        this.ids = 0;
+        /**
+         * A map containing acknowledgement handlers.
+         *
+         * The `withError` attribute is used to differentiate handlers that accept an error as first argument:
+         *
+         * - `socket.emit("test", (err, value) => { ... })` with `ackTimeout` option
+         * - `socket.timeout(5000).emit("test", (err, value) => { ... })`
+         * - `const value = await socket.emitWithAck("test")`
+         *
+         * From those that don't:
+         *
+         * - `socket.emit("test", (value) => { ... });`
+         *
+         * In the first case, the handlers will be called with an error when:
+         *
+         * - the timeout is reached
+         * - the socket gets disconnected
+         *
+         * In the second case, the handlers will be simply discarded upon disconnection, since the client will never receive
+         * an acknowledgement from the server.
+         *
+         * @private
+         */
+        this.acks = {};
+        this.flags = {};
+        this.io = io;
+        this.nsp = nsp;
+        if (opts && opts.auth) {
+            this.auth = opts.auth;
+        }
+        this._opts = Object.assign({}, opts);
+        if (this.io._autoConnect)
+            this.open();
+    }
+    /**
+     * Whether the socket is currently disconnected
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.disconnected); // false
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.disconnected); // true
+     * });
+     */
+    get disconnected() {
+        return !this.connected;
+    }
+    /**
+     * Subscribe to open, close and packet events
+     *
+     * @private
+     */
+    subEvents() {
+        if (this.subs)
+            return;
+        const io = this.io;
+        this.subs = [
+            on(io, "open", this.onopen.bind(this)),
+            on(io, "packet", this.onpacket.bind(this)),
+            on(io, "error", this.onerror.bind(this)),
+            on(io, "close", this.onclose.bind(this)),
+        ];
+    }
+    /**
+     * Whether the Socket will try to reconnect when its Manager connects or reconnects.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.active); // true
+     *
+     * socket.on("disconnect", (reason) => {
+     *   if (reason === "io server disconnect") {
+     *     // the disconnection was initiated by the server, you need to manually reconnect
+     *     console.log(socket.active); // false
+     *   }
+     *   // else the socket will automatically try to reconnect
+     *   console.log(socket.active); // true
+     * });
+     */
+    get active() {
+        return !!this.subs;
+    }
+    /**
+     * "Opens" the socket.
+     *
+     * @example
+     * const socket = io({
+     *   autoConnect: false
+     * });
+     *
+     * socket.connect();
+     */
+    connect() {
+        if (this.connected)
+            return this;
+        this.subEvents();
+        if (!this.io["_reconnecting"])
+            this.io.open(); // ensure open
+        if ("open" === this.io._readyState)
+            this.onopen();
+        return this;
+    }
+    /**
+     * Alias for {@link connect()}.
+     */
+    open() {
+        return this.connect();
+    }
+    /**
+     * Sends a `message` event.
+     *
+     * This method mimics the WebSocket.send() method.
+     *
+     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
+     *
+     * @example
+     * socket.send("hello");
+     *
+     * // this is equivalent to
+     * socket.emit("message", "hello");
+     *
+     * @return self
+     */
+    send(...args) {
+        args.unshift("message");
+        this.emit.apply(this, args);
+        return this;
+    }
+    /**
+     * Override `emit`.
+     * If the event is in `events`, it's emitted normally.
+     *
+     * @example
+     * socket.emit("hello", "world");
+     *
+     * // all serializable datastructures are supported (no need to call JSON.stringify)
+     * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
+     *
+     * // with an acknowledgement from the server
+     * socket.emit("hello", "world", (val) => {
+     *   // ...
+     * });
+     *
+     * @return self
+     */
+    emit(ev, ...args) {
+        var _a, _b, _c;
+        if (RESERVED_EVENTS.hasOwnProperty(ev)) {
+            throw new Error('"' + ev.toString() + '" is a reserved event name');
+        }
+        args.unshift(ev);
+        if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {
+            this._addToQueue(args);
+            return this;
+        }
+        const packet = {
+            type: PacketType.EVENT,
+            data: args,
+        };
+        packet.options = {};
+        packet.options.compress = this.flags.compress !== false;
+        // event ack callback
+        if ("function" === typeof args[args.length - 1]) {
+            const id = this.ids++;
+            debug("emitting packet with ack id %d", id);
+            const ack = args.pop();
+            this._registerAckCallback(id, ack);
+            packet.id = id;
+        }
+        const isTransportWritable = (_b = (_a = this.io.engine) === null || _a === void 0 ? void 0 : _a.transport) === null || _b === void 0 ? void 0 : _b.writable;
+        const isConnected = this.connected && !((_c = this.io.engine) === null || _c === void 0 ? void 0 : _c._hasPingExpired());
+        const discardPacket = this.flags.volatile && !isTransportWritable;
+        if (discardPacket) {
+            debug("discard packet as the transport is not currently writable");
+        }
+        else if (isConnected) {
+            this.notifyOutgoingListeners(packet);
+            this.packet(packet);
+        }
+        else {
+            this.sendBuffer.push(packet);
+        }
+        this.flags = {};
+        return this;
+    }
+    /**
+     * @private
+     */
+    _registerAckCallback(id, ack) {
+        var _a;
+        const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;
+        if (timeout === undefined) {
+            this.acks[id] = ack;
+            return;
+        }
+        // @ts-ignore
+        const timer = this.io.setTimeoutFn(() => {
+            delete this.acks[id];
+            for (let i = 0; i < this.sendBuffer.length; i++) {
+                if (this.sendBuffer[i].id === id) {
+                    debug("removing packet with ack id %d from the buffer", id);
+                    this.sendBuffer.splice(i, 1);
+                }
+            }
+            debug("event with ack id %d has timed out after %d ms", id, timeout);
+            ack.call(this, new Error("operation has timed out"));
+        }, timeout);
+        const fn = (...args) => {
+            // @ts-ignore
+            this.io.clearTimeoutFn(timer);
+            ack.apply(this, args);
+        };
+        fn.withError = true;
+        this.acks[id] = fn;
+    }
+    /**
+     * 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) {
+        return new Promise((resolve, reject) => {
+            const fn = (arg1, arg2) => {
+                return arg1 ? reject(arg1) : resolve(arg2);
+            };
+            fn.withError = true;
+            args.push(fn);
+            this.emit(ev, ...args);
+        });
+    }
+    /**
+     * Add the packet to the queue.
+     * @param args
+     * @private
+     */
+    _addToQueue(args) {
+        let ack;
+        if (typeof args[args.length - 1] === "function") {
+            ack = args.pop();
+        }
+        const packet = {
+            id: this._queueSeq++,
+            tryCount: 0,
+            pending: false,
+            args,
+            flags: Object.assign({ fromQueue: true }, this.flags),
+        };
+        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 (ack) {
+                        ack(err);
+                    }
+                }
+            }
+            else {
+                debug("packet [%d] was successfully sent", packet.id);
+                this._queue.shift();
+                if (ack) {
+                    ack(null, ...responseArgs);
+                }
+            }
+            packet.pending = false;
+            return this._drainQueue();
+        });
+        this._queue.push(packet);
+        this._drainQueue();
+    }
+    /**
+     * Send the first packet of the queue, and wait for an acknowledgement from the server.
+     * @param force - whether to resend a packet that has not been acknowledged yet
+     *
+     * @private
+     */
+    _drainQueue(force = false) {
+        debug("draining queue");
+        if (!this.connected || this._queue.length === 0) {
+            return;
+        }
+        const packet = this._queue[0];
+        if (packet.pending && !force) {
+            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);
+        this.flags = packet.flags;
+        this.emit.apply(this, packet.args);
+    }
+    /**
+     * Sends a packet.
+     *
+     * @param packet
+     * @private
+     */
+    packet(packet) {
+        packet.nsp = this.nsp;
+        this.io._packet(packet);
+    }
+    /**
+     * Called upon engine `open`.
+     *
+     * @private
+     */
+    onopen() {
+        debug("transport is open - connecting");
+        if (typeof this.auth == "function") {
+            this.auth((data) => {
+                this._sendConnectPacket(data);
+            });
+        }
+        else {
+            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`.
+     *
+     * @param err
+     * @private
+     */
+    onerror(err) {
+        if (!this.connected) {
+            this.emitReserved("connect_error", err);
+        }
+    }
+    /**
+     * Called upon engine `close`.
+     *
+     * @param reason
+     * @param description
+     * @private
+     */
+    onclose(reason, description) {
+        debug("close (%s)", reason);
+        this.connected = false;
+        delete this.id;
+        this.emitReserved("disconnect", reason, description);
+        this._clearAcks();
+    }
+    /**
+     * Clears the acknowledgement handlers upon disconnection, since the client will never receive an acknowledgement from
+     * the server.
+     *
+     * @private
+     */
+    _clearAcks() {
+        Object.keys(this.acks).forEach((id) => {
+            const isBuffered = this.sendBuffer.some((packet) => String(packet.id) === id);
+            if (!isBuffered) {
+                // note: handlers that do not accept an error as first argument are ignored here
+                const ack = this.acks[id];
+                delete this.acks[id];
+                if (ack.withError) {
+                    ack.call(this, new Error("socket has been disconnected"));
+                }
+            }
+        });
+    }
+    /**
+     * Called with socket packet.
+     *
+     * @param packet
+     * @private
+     */
+    onpacket(packet) {
+        const sameNamespace = packet.nsp === this.nsp;
+        if (!sameNamespace)
+            return;
+        switch (packet.type) {
+            case PacketType.CONNECT:
+                if (packet.data && packet.data.sid) {
+                    this.onconnect(packet.data.sid, packet.data.pid);
+                }
+                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 PacketType.EVENT:
+            case PacketType.BINARY_EVENT:
+                this.onevent(packet);
+                break;
+            case PacketType.ACK:
+            case PacketType.BINARY_ACK:
+                this.onack(packet);
+                break;
+            case PacketType.DISCONNECT:
+                this.ondisconnect();
+                break;
+            case PacketType.CONNECT_ERROR:
+                this.destroy();
+                const err = new Error(packet.data.message);
+                // @ts-ignore
+                err.data = packet.data.data;
+                this.emitReserved("connect_error", err);
+                break;
+        }
+    }
+    /**
+     * Called upon a server event.
+     *
+     * @param packet
+     * @private
+     */
+    onevent(packet) {
+        const args = packet.data || [];
+        debug("emitting event %j", args);
+        if (null != packet.id) {
+            debug("attaching ack callback to event");
+            args.push(this.ack(packet.id));
+        }
+        if (this.connected) {
+            this.emitEvent(args);
+        }
+        else {
+            this.receiveBuffer.push(Object.freeze(args));
+        }
+    }
+    emitEvent(args) {
+        if (this._anyListeners && this._anyListeners.length) {
+            const listeners = this._anyListeners.slice();
+            for (const listener of listeners) {
+                listener.apply(this, args);
+            }
+        }
+        super.emit.apply(this, args);
+        if (this._pid && args.length && typeof args[args.length - 1] === "string") {
+            this._lastOffset = args[args.length - 1];
+        }
+    }
+    /**
+     * Produces an ack callback to emit with an event.
+     *
+     * @private
+     */
+    ack(id) {
+        const self = this;
+        let sent = false;
+        return function (...args) {
+            // prevent double callbacks
+            if (sent)
+                return;
+            sent = true;
+            debug("sending ack %j", args);
+            self.packet({
+                type: PacketType.ACK,
+                id: id,
+                data: args,
+            });
+        };
+    }
+    /**
+     * Called upon a server acknowledgement.
+     *
+     * @param packet
+     * @private
+     */
+    onack(packet) {
+        const ack = this.acks[packet.id];
+        if (typeof ack !== "function") {
+            debug("bad ack %s", packet.id);
+            return;
+        }
+        delete this.acks[packet.id];
+        debug("calling ack %s with %j", packet.id, packet.data);
+        // @ts-ignore FIXME ack is incorrectly inferred as 'never'
+        if (ack.withError) {
+            packet.data.unshift(null);
+        }
+        // @ts-ignore
+        ack.apply(this, packet.data);
+    }
+    /**
+     * Called upon server connect.
+     *
+     * @private
+     */
+    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;
+        this.emitBuffered();
+        this.emitReserved("connect");
+        this._drainQueue(true);
+    }
+    /**
+     * Emit buffered events (received and emitted).
+     *
+     * @private
+     */
+    emitBuffered() {
+        this.receiveBuffer.forEach((args) => this.emitEvent(args));
+        this.receiveBuffer = [];
+        this.sendBuffer.forEach((packet) => {
+            this.notifyOutgoingListeners(packet);
+            this.packet(packet);
+        });
+        this.sendBuffer = [];
+    }
+    /**
+     * Called upon server disconnect.
+     *
+     * @private
+     */
+    ondisconnect() {
+        debug("server disconnect (%s)", this.nsp);
+        this.destroy();
+        this.onclose("io server disconnect");
+    }
+    /**
+     * Called upon forced client/server side disconnections,
+     * this method ensures the manager stops tracking us and
+     * that reconnections don't get triggered for this.
+     *
+     * @private
+     */
+    destroy() {
+        if (this.subs) {
+            // clean subscriptions to avoid reconnections
+            this.subs.forEach((subDestroy) => subDestroy());
+            this.subs = undefined;
+        }
+        this.io["_destroy"](this);
+    }
+    /**
+     * Disconnects the socket manually. In that case, the socket will not try to reconnect.
+     *
+     * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("disconnect", (reason) => {
+     *   // console.log(reason); prints "io client disconnect"
+     * });
+     *
+     * socket.disconnect();
+     *
+     * @return self
+     */
+    disconnect() {
+        if (this.connected) {
+            debug("performing disconnect (%s)", this.nsp);
+            this.packet({ type: PacketType.DISCONNECT });
+        }
+        // remove socket from pool
+        this.destroy();
+        if (this.connected) {
+            // fire events
+            this.onclose("io client disconnect");
+        }
+        return this;
+    }
+    /**
+     * Alias for {@link disconnect()}.
+     *
+     * @return self
+     */
+    close() {
+        return this.disconnect();
+    }
+    /**
+     * Sets the compress flag.
+     *
+     * @example
+     * socket.compress(false).emit("hello");
+     *
+     * @param compress - if `true`, compresses the sending data
+     * @return self
+     */
+    compress(compress) {
+        this.flags.compress = compress;
+        return this;
+    }
+    /**
+     * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
+     * ready to send messages.
+     *
+     * @example
+     * socket.volatile.emit("hello"); // the server may or may not receive it
+     *
+     * @returns self
+     */
+    get volatile() {
+        this.flags.volatile = true;
+        return this;
+    }
+    /**
+     * Sets a modifier for a subsequent event emission that the callback will be called with an error when the
+     * given number of milliseconds have elapsed without an acknowledgement from the server:
+     *
+     * @example
+     * socket.timeout(5000).emit("my-event", (err) => {
+     *   if (err) {
+     *     // the server did not acknowledge the event in the given delay
+     *   }
+     * });
+     *
+     * @returns self
+     */
+    timeout(timeout) {
+        this.flags.timeout = timeout;
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * @example
+     * socket.onAny((event, ...args) => {
+     *   console.log(`got ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAny(listener) {
+        this._anyListeners = this._anyListeners || [];
+        this._anyListeners.push(listener);
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * @example
+     * socket.prependAny((event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAny(listener) {
+        this._anyListeners = this._anyListeners || [];
+        this._anyListeners.unshift(listener);
+        return this;
+    }
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * }
+     *
+     * socket.onAny(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAny(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAny();
+     *
+     * @param listener
+     */
+    offAny(listener) {
+        if (!this._anyListeners) {
+            return this;
+        }
+        if (listener) {
+            const listeners = this._anyListeners;
+            for (let i = 0; i < listeners.length; i++) {
+                if (listener === listeners[i]) {
+                    listeners.splice(i, 1);
+                    return this;
+                }
+            }
+        }
+        else {
+            this._anyListeners = [];
+        }
+        return this;
+    }
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAny() {
+        return this._anyListeners || [];
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.onAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAnyOutgoing(listener) {
+        this._anyOutgoingListeners = this._anyOutgoingListeners || [];
+        this._anyOutgoingListeners.push(listener);
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.prependAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAnyOutgoing(listener) {
+        this._anyOutgoingListeners = this._anyOutgoingListeners || [];
+        this._anyOutgoingListeners.unshift(listener);
+        return this;
+    }
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * }
+     *
+     * socket.onAnyOutgoing(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAnyOutgoing(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAnyOutgoing();
+     *
+     * @param [listener] - the catch-all listener (optional)
+     */
+    offAnyOutgoing(listener) {
+        if (!this._anyOutgoingListeners) {
+            return this;
+        }
+        if (listener) {
+            const listeners = this._anyOutgoingListeners;
+            for (let i = 0; i < listeners.length; i++) {
+                if (listener === listeners[i]) {
+                    listeners.splice(i, 1);
+                    return this;
+                }
+            }
+        }
+        else {
+            this._anyOutgoingListeners = [];
+        }
+        return this;
+    }
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAnyOutgoing() {
+        return this._anyOutgoingListeners || [];
+    }
+    /**
+     * Notify the listeners for each packet sent
+     *
+     * @param packet
+     *
+     * @private
+     */
+    notifyOutgoingListeners(packet) {
+        if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {
+            const listeners = this._anyOutgoingListeners.slice();
+            for (const listener of listeners) {
+                listener.apply(this, packet.data);
+            }
+        }
+    }
+}

node_modules/socket.io-client/build/esm-debug/url.d.ts

@@ -0,0 +1,33 @@
+type ParsedUrl = {
+    source: string;
+    protocol: string;
+    authority: string;
+    userInfo: string;
+    user: string;
+    password: string;
+    host: string;
+    port: string;
+    relative: string;
+    path: string;
+    directory: string;
+    file: string;
+    query: string;
+    anchor: string;
+    pathNames: Array<string>;
+    queryKey: {
+        [key: string]: string;
+    };
+    id: string;
+    href: string;
+};
+/**
+ * URL parser.
+ *
+ * @param uri - url
+ * @param path - the request path of the connection
+ * @param loc - An object meant to mimic window.location.
+ *        Defaults to window.location.
+ * @public
+ */
+export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl;
+export {};

node_modules/socket.io-client/build/esm-debug/url.js

@@ -0,0 +1,63 @@
+import { parse } from "engine.io-client";
+import debugModule from "debug"; // debug()
+const debug = debugModule("socket.io-client:url"); // debug()
+/**
+ * URL parser.
+ *
+ * @param uri - url
+ * @param path - the request path of the connection
+ * @param loc - An object meant to mimic window.location.
+ *        Defaults to window.location.
+ * @public
+ */
+export function url(uri, path = "", loc) {
+    let obj = uri;
+    // default to window.location
+    loc = loc || (typeof location !== "undefined" && location);
+    if (null == uri)
+        uri = loc.protocol + "//" + loc.host;
+    // relative path support
+    if (typeof uri === "string") {
+        if ("/" === uri.charAt(0)) {
+            if ("/" === uri.charAt(1)) {
+                uri = loc.protocol + uri;
+            }
+            else {
+                uri = loc.host + uri;
+            }
+        }
+        if (!/^(https?|wss?):\/\//.test(uri)) {
+            debug("protocol-less url %s", uri);
+            if ("undefined" !== typeof loc) {
+                uri = loc.protocol + "//" + uri;
+            }
+            else {
+                uri = "https://" + uri;
+            }
+        }
+        // parse
+        debug("parse %s", uri);
+        obj = parse(uri);
+    }
+    // make sure we treat `localhost:80` and `localhost` equally
+    if (!obj.port) {
+        if (/^(http|ws)$/.test(obj.protocol)) {
+            obj.port = "80";
+        }
+        else if (/^(http|ws)s$/.test(obj.protocol)) {
+            obj.port = "443";
+        }
+    }
+    obj.path = obj.path || "/";
+    const ipv6 = obj.host.indexOf(":") !== -1;
+    const host = ipv6 ? "[" + obj.host + "]" : obj.host;
+    // define unique id
+    obj.id = obj.protocol + "://" + host + ":" + obj.port + path;
+    // define href
+    obj.href =
+        obj.protocol +
+            "://" +
+            host +
+            (loc && loc.port === obj.port ? "" : ":" + obj.port);
+    return obj;
+}

node_modules/socket.io-client/build/esm/browser-entrypoint.d.ts

@@ -0,0 +1,2 @@
+import { io } from "./index.js";
+export default io;

node_modules/socket.io-client/build/esm/browser-entrypoint.js

@@ -0,0 +1,2 @@
+import { io } from "./index.js";
+export default io;

node_modules/socket.io-client/build/esm/contrib/backo2.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+export declare function Backoff(opts: any): void;

node_modules/socket.io-client/build/esm/contrib/backo2.js

@@ -0,0 +1,66 @@
+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+export function Backoff(opts) {
+    opts = opts || {};
+    this.ms = opts.min || 100;
+    this.max = opts.max || 10000;
+    this.factor = opts.factor || 2;
+    this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
+    this.attempts = 0;
+}
+/**
+ * Return the backoff duration.
+ *
+ * @return {Number}
+ * @api public
+ */
+Backoff.prototype.duration = function () {
+    var ms = this.ms * Math.pow(this.factor, this.attempts++);
+    if (this.jitter) {
+        var rand = Math.random();
+        var deviation = Math.floor(rand * this.jitter * ms);
+        ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
+    }
+    return Math.min(ms, this.max) | 0;
+};
+/**
+ * Reset the number of attempts.
+ *
+ * @api public
+ */
+Backoff.prototype.reset = function () {
+    this.attempts = 0;
+};
+/**
+ * Set the minimum duration
+ *
+ * @api public
+ */
+Backoff.prototype.setMin = function (min) {
+    this.ms = min;
+};
+/**
+ * Set the maximum duration
+ *
+ * @api public
+ */
+Backoff.prototype.setMax = function (max) {
+    this.max = max;
+};
+/**
+ * Set the jitter
+ *
+ * @api public
+ */
+Backoff.prototype.setJitter = function (jitter) {
+    this.jitter = jitter;
+};

node_modules/socket.io-client/build/esm/index.d.ts

@@ -0,0 +1,29 @@
+import { Manager, ManagerOptions } from "./manager.js";
+import { Socket, SocketOptions } from "./socket.js";
+/**
+ * Looks up an existing `Manager` for multiplexing.
+ * If the user summons:
+ *
+ *   `io('http://localhost/a');`
+ *   `io('http://localhost/b');`
+ *
+ * We reuse the existing instance based on same scheme/port/host,
+ * and we initialize sockets for each namespace.
+ *
+ * @public
+ */
+declare function lookup(opts?: Partial<ManagerOptions & SocketOptions>): Socket;
+declare function lookup(uri?: string, opts?: Partial<ManagerOptions & SocketOptions>): Socket;
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+export { protocol } from "socket.io-parser";
+/**
+ * Expose constructors for standalone build.
+ *
+ * @public
+ */
+export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, };
+export { Fetch, NodeXHR, XHR, NodeWebSocket, WebSocket, WebTransport, } from "engine.io-client";

node_modules/socket.io-client/build/esm/index.js

@@ -0,0 +1,58 @@
+import { url } from "./url.js";
+import { Manager } from "./manager.js";
+import { Socket } from "./socket.js";
+/**
+ * Managers cache.
+ */
+const cache = {};
+function lookup(uri, opts) {
+    if (typeof uri === "object") {
+        opts = uri;
+        uri = undefined;
+    }
+    opts = opts || {};
+    const parsed = url(uri, opts.path || "/socket.io");
+    const source = parsed.source;
+    const id = parsed.id;
+    const path = parsed.path;
+    const sameNamespace = cache[id] && path in cache[id]["nsps"];
+    const newConnection = opts.forceNew ||
+        opts["force new connection"] ||
+        false === opts.multiplex ||
+        sameNamespace;
+    let io;
+    if (newConnection) {
+        io = new Manager(source, opts);
+    }
+    else {
+        if (!cache[id]) {
+            cache[id] = new Manager(source, opts);
+        }
+        io = cache[id];
+    }
+    if (parsed.query && !opts.query) {
+        opts.query = parsed.queryKey;
+    }
+    return io.socket(parsed.path, opts);
+}
+// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a
+// namespace (e.g. `io.connect(...)`), for backward compatibility
+Object.assign(lookup, {
+    Manager,
+    Socket,
+    io: lookup,
+    connect: lookup,
+});
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+export { protocol } from "socket.io-parser";
+/**
+ * Expose constructors for standalone build.
+ *
+ * @public
+ */
+export { Manager, Socket, lookup as io, lookup as connect, lookup as default, };
+export { Fetch, NodeXHR, XHR, NodeWebSocket, WebSocket, WebTransport, } from "engine.io-client";

node_modules/socket.io-client/build/esm/manager.d.ts

@@ -0,0 +1,295 @@
+import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client";
+import { Socket, SocketOptions, DisconnectDescription } from "./socket.js";
+import { Packet } from "socket.io-parser";
+import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter";
+export interface ManagerOptions extends EngineOptions {
+    /**
+     * Should we force a new Manager for this connection?
+     * @default false
+     */
+    forceNew: boolean;
+    /**
+     * Should we multiplex our connection (reuse existing Manager) ?
+     * @default true
+     */
+    multiplex: boolean;
+    /**
+     * The path to get our client file from, in the case of the server
+     * serving it
+     * @default '/socket.io'
+     */
+    path: string;
+    /**
+     * Should we allow reconnections?
+     * @default true
+     */
+    reconnection: boolean;
+    /**
+     * How many reconnection attempts should we try?
+     * @default Infinity
+     */
+    reconnectionAttempts: number;
+    /**
+     * The time delay in milliseconds between reconnection attempts
+     * @default 1000
+     */
+    reconnectionDelay: number;
+    /**
+     * The max time delay in milliseconds between reconnection attempts
+     * @default 5000
+     */
+    reconnectionDelayMax: number;
+    /**
+     * Used in the exponential backoff jitter when reconnecting
+     * @default 0.5
+     */
+    randomizationFactor: number;
+    /**
+     * The timeout in milliseconds for our connection attempt
+     * @default 20000
+     */
+    timeout: number;
+    /**
+     * Should we automatically connect?
+     * @default true
+     */
+    autoConnect: boolean;
+    /**
+     * the parser to use. Defaults to an instance of the Parser that ships with socket.io.
+     */
+    parser: any;
+}
+interface ManagerReservedEvents {
+    open: () => void;
+    error: (err: Error) => void;
+    ping: () => void;
+    packet: (packet: Packet) => void;
+    close: (reason: string, description?: DisconnectDescription) => void;
+    reconnect_failed: () => void;
+    reconnect_attempt: (attempt: number) => void;
+    reconnect_error: (err: Error) => void;
+    reconnect: (attempt: number) => void;
+}
+export declare class Manager<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<{}, {}, ManagerReservedEvents> {
+    /**
+     * The Engine.IO client instance
+     *
+     * @public
+     */
+    engine: Engine;
+    /**
+     * @private
+     */
+    _autoConnect: boolean;
+    /**
+     * @private
+     */
+    _readyState: "opening" | "open" | "closed";
+    /**
+     * @private
+     */
+    _reconnecting: boolean;
+    private readonly uri;
+    opts: Partial<ManagerOptions>;
+    private nsps;
+    private subs;
+    private backoff;
+    private setTimeoutFn;
+    private clearTimeoutFn;
+    private _reconnection;
+    private _reconnectionAttempts;
+    private _reconnectionDelay;
+    private _randomizationFactor;
+    private _reconnectionDelayMax;
+    private _timeout;
+    private encoder;
+    private decoder;
+    private skipReconnect;
+    /**
+     * `Manager` constructor.
+     *
+     * @param uri - engine instance or engine uri/opts
+     * @param opts - options
+     * @public
+     */
+    constructor(opts: Partial<ManagerOptions>);
+    constructor(uri?: string, opts?: Partial<ManagerOptions>);
+    constructor(uri?: string | Partial<ManagerOptions>, opts?: Partial<ManagerOptions>);
+    /**
+     * Sets the `reconnection` config.
+     *
+     * @param {Boolean} v - true/false if it should automatically reconnect
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnection(v: boolean): this;
+    reconnection(): boolean;
+    reconnection(v?: boolean): this | boolean;
+    /**
+     * Sets the reconnection attempts config.
+     *
+     * @param {Number} v - max reconnection attempts before giving up
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnectionAttempts(v: number): this;
+    reconnectionAttempts(): number;
+    reconnectionAttempts(v?: number): this | number;
+    /**
+     * Sets the delay between reconnections.
+     *
+     * @param {Number} v - delay
+     * @return {Manager} self or value
+     * @public
+     */
+    reconnectionDelay(v: number): this;
+    reconnectionDelay(): number;
+    reconnectionDelay(v?: number): this | number;
+    /**
+     * Sets the randomization factor
+     *
+     * @param v - the randomization factor
+     * @return self or value
+     * @public
+     */
+    randomizationFactor(v: number): this;
+    randomizationFactor(): number;
+    randomizationFactor(v?: number): this | number;
+    /**
+     * Sets the maximum delay between reconnections.
+     *
+     * @param v - delay
+     * @return self or value
+     * @public
+     */
+    reconnectionDelayMax(v: number): this;
+    reconnectionDelayMax(): number;
+    reconnectionDelayMax(v?: number): this | number;
+    /**
+     * Sets the connection timeout. `false` to disable
+     *
+     * @param v - connection timeout
+     * @return self or value
+     * @public
+     */
+    timeout(v: number | boolean): this;
+    timeout(): number | boolean;
+    timeout(v?: number | boolean): this | number | boolean;
+    /**
+     * Starts trying to reconnect if reconnection is enabled and we have not
+     * started reconnecting yet
+     *
+     * @private
+     */
+    private maybeReconnectOnOpen;
+    /**
+     * Sets the current transport `socket`.
+     *
+     * @param {Function} fn - optional, callback
+     * @return self
+     * @public
+     */
+    open(fn?: (err?: Error) => void): this;
+    /**
+     * Alias for open()
+     *
+     * @return self
+     * @public
+     */
+    connect(fn?: (err?: Error) => void): this;
+    /**
+     * Called upon transport open.
+     *
+     * @private
+     */
+    private onopen;
+    /**
+     * Called upon a ping.
+     *
+     * @private
+     */
+    private onping;
+    /**
+     * Called with data.
+     *
+     * @private
+     */
+    private ondata;
+    /**
+     * Called when parser fully decodes a packet.
+     *
+     * @private
+     */
+    private ondecoded;
+    /**
+     * Called upon socket error.
+     *
+     * @private
+     */
+    private onerror;
+    /**
+     * Creates a new socket for the given `nsp`.
+     *
+     * @return {Socket}
+     * @public
+     */
+    socket(nsp: string, opts?: Partial<SocketOptions>): Socket;
+    /**
+     * Called upon a socket close.
+     *
+     * @param socket
+     * @private
+     */
+    _destroy(socket: Socket): void;
+    /**
+     * Writes a packet.
+     *
+     * @param packet
+     * @private
+     */
+    _packet(packet: Partial<Packet & {
+        query: string;
+        options: any;
+    }>): void;
+    /**
+     * Clean up transport subscriptions and packet buffer.
+     *
+     * @private
+     */
+    private cleanup;
+    /**
+     * Close the current socket.
+     *
+     * @private
+     */
+    _close(): void;
+    /**
+     * Alias for close()
+     *
+     * @private
+     */
+    private disconnect;
+    /**
+     * Called when:
+     *
+     * - the low-level engine is closed
+     * - the parser encountered a badly formatted packet
+     * - all sockets are disconnected
+     *
+     * @private
+     */
+    private onclose;
+    /**
+     * Attempt a reconnection.
+     *
+     * @private
+     */
+    private reconnect;
+    /**
+     * Called upon successful reconnect.
+     *
+     * @private
+     */
+    private onreconnect;
+}
+export {};

node_modules/socket.io-client/build/esm/manager.js

@@ -0,0 +1,367 @@
+import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client";
+import { Socket } from "./socket.js";
+import * as parser from "socket.io-parser";
+import { on } from "./on.js";
+import { Backoff } from "./contrib/backo2.js";
+import { Emitter, } from "@socket.io/component-emitter";
+export class Manager extends Emitter {
+    constructor(uri, opts) {
+        var _a;
+        super();
+        this.nsps = {};
+        this.subs = [];
+        if (uri && "object" === typeof uri) {
+            opts = uri;
+            uri = undefined;
+        }
+        opts = opts || {};
+        opts.path = opts.path || "/socket.io";
+        this.opts = opts;
+        installTimerFunctions(this, opts);
+        this.reconnection(opts.reconnection !== false);
+        this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
+        this.reconnectionDelay(opts.reconnectionDelay || 1000);
+        this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
+        this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);
+        this.backoff = new Backoff({
+            min: this.reconnectionDelay(),
+            max: this.reconnectionDelayMax(),
+            jitter: this.randomizationFactor(),
+        });
+        this.timeout(null == opts.timeout ? 20000 : opts.timeout);
+        this._readyState = "closed";
+        this.uri = uri;
+        const _parser = opts.parser || parser;
+        this.encoder = new _parser.Encoder();
+        this.decoder = new _parser.Decoder();
+        this._autoConnect = opts.autoConnect !== false;
+        if (this._autoConnect)
+            this.open();
+    }
+    reconnection(v) {
+        if (!arguments.length)
+            return this._reconnection;
+        this._reconnection = !!v;
+        if (!v) {
+            this.skipReconnect = true;
+        }
+        return this;
+    }
+    reconnectionAttempts(v) {
+        if (v === undefined)
+            return this._reconnectionAttempts;
+        this._reconnectionAttempts = v;
+        return this;
+    }
+    reconnectionDelay(v) {
+        var _a;
+        if (v === undefined)
+            return this._reconnectionDelay;
+        this._reconnectionDelay = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);
+        return this;
+    }
+    randomizationFactor(v) {
+        var _a;
+        if (v === undefined)
+            return this._randomizationFactor;
+        this._randomizationFactor = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);
+        return this;
+    }
+    reconnectionDelayMax(v) {
+        var _a;
+        if (v === undefined)
+            return this._reconnectionDelayMax;
+        this._reconnectionDelayMax = v;
+        (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);
+        return this;
+    }
+    timeout(v) {
+        if (!arguments.length)
+            return this._timeout;
+        this._timeout = v;
+        return this;
+    }
+    /**
+     * Starts trying to reconnect if reconnection is enabled and we have not
+     * started reconnecting yet
+     *
+     * @private
+     */
+    maybeReconnectOnOpen() {
+        // Only try to reconnect if it's the first time we're connecting
+        if (!this._reconnecting &&
+            this._reconnection &&
+            this.backoff.attempts === 0) {
+            // keeps reconnection from firing twice for the same reconnection loop
+            this.reconnect();
+        }
+    }
+    /**
+     * Sets the current transport `socket`.
+     *
+     * @param {Function} fn - optional, callback
+     * @return self
+     * @public
+     */
+    open(fn) {
+        if (~this._readyState.indexOf("open"))
+            return this;
+        this.engine = new Engine(this.uri, this.opts);
+        const socket = this.engine;
+        const self = this;
+        this._readyState = "opening";
+        this.skipReconnect = false;
+        // emit `open`
+        const openSubDestroy = on(socket, "open", function () {
+            self.onopen();
+            fn && fn();
+        });
+        const onError = (err) => {
+            this.cleanup();
+            this._readyState = "closed";
+            this.emitReserved("error", err);
+            if (fn) {
+                fn(err);
+            }
+            else {
+                // Only do this if there is no fn to handle the error
+                this.maybeReconnectOnOpen();
+            }
+        };
+        // emit `error`
+        const errorSub = on(socket, "error", onError);
+        if (false !== this._timeout) {
+            const timeout = this._timeout;
+            // set timer
+            const timer = this.setTimeoutFn(() => {
+                openSubDestroy();
+                onError(new Error("timeout"));
+                socket.close();
+            }, timeout);
+            if (this.opts.autoUnref) {
+                timer.unref();
+            }
+            this.subs.push(() => {
+                this.clearTimeoutFn(timer);
+            });
+        }
+        this.subs.push(openSubDestroy);
+        this.subs.push(errorSub);
+        return this;
+    }
+    /**
+     * Alias for open()
+     *
+     * @return self
+     * @public
+     */
+    connect(fn) {
+        return this.open(fn);
+    }
+    /**
+     * Called upon transport open.
+     *
+     * @private
+     */
+    onopen() {
+        // clear old subs
+        this.cleanup();
+        // mark as open
+        this._readyState = "open";
+        this.emitReserved("open");
+        // add new subs
+        const socket = this.engine;
+        this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), 
+        // @ts-ignore
+        on(this.decoder, "decoded", this.ondecoded.bind(this)));
+    }
+    /**
+     * Called upon a ping.
+     *
+     * @private
+     */
+    onping() {
+        this.emitReserved("ping");
+    }
+    /**
+     * Called with data.
+     *
+     * @private
+     */
+    ondata(data) {
+        try {
+            this.decoder.add(data);
+        }
+        catch (e) {
+            this.onclose("parse error", e);
+        }
+    }
+    /**
+     * Called when parser fully decodes a packet.
+     *
+     * @private
+     */
+    ondecoded(packet) {
+        // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error"
+        nextTick(() => {
+            this.emitReserved("packet", packet);
+        }, this.setTimeoutFn);
+    }
+    /**
+     * Called upon socket error.
+     *
+     * @private
+     */
+    onerror(err) {
+        this.emitReserved("error", err);
+    }
+    /**
+     * Creates a new socket for the given `nsp`.
+     *
+     * @return {Socket}
+     * @public
+     */
+    socket(nsp, opts) {
+        let socket = this.nsps[nsp];
+        if (!socket) {
+            socket = new Socket(this, nsp, opts);
+            this.nsps[nsp] = socket;
+        }
+        else if (this._autoConnect && !socket.active) {
+            socket.connect();
+        }
+        return socket;
+    }
+    /**
+     * Called upon a socket close.
+     *
+     * @param socket
+     * @private
+     */
+    _destroy(socket) {
+        const nsps = Object.keys(this.nsps);
+        for (const nsp of nsps) {
+            const socket = this.nsps[nsp];
+            if (socket.active) {
+                return;
+            }
+        }
+        this._close();
+    }
+    /**
+     * Writes a packet.
+     *
+     * @param packet
+     * @private
+     */
+    _packet(packet) {
+        const encodedPackets = this.encoder.encode(packet);
+        for (let i = 0; i < encodedPackets.length; i++) {
+            this.engine.write(encodedPackets[i], packet.options);
+        }
+    }
+    /**
+     * Clean up transport subscriptions and packet buffer.
+     *
+     * @private
+     */
+    cleanup() {
+        this.subs.forEach((subDestroy) => subDestroy());
+        this.subs.length = 0;
+        this.decoder.destroy();
+    }
+    /**
+     * Close the current socket.
+     *
+     * @private
+     */
+    _close() {
+        this.skipReconnect = true;
+        this._reconnecting = false;
+        this.onclose("forced close");
+    }
+    /**
+     * Alias for close()
+     *
+     * @private
+     */
+    disconnect() {
+        return this._close();
+    }
+    /**
+     * Called when:
+     *
+     * - the low-level engine is closed
+     * - the parser encountered a badly formatted packet
+     * - all sockets are disconnected
+     *
+     * @private
+     */
+    onclose(reason, description) {
+        var _a;
+        this.cleanup();
+        (_a = this.engine) === null || _a === void 0 ? void 0 : _a.close();
+        this.backoff.reset();
+        this._readyState = "closed";
+        this.emitReserved("close", reason, description);
+        if (this._reconnection && !this.skipReconnect) {
+            this.reconnect();
+        }
+    }
+    /**
+     * Attempt a reconnection.
+     *
+     * @private
+     */
+    reconnect() {
+        if (this._reconnecting || this.skipReconnect)
+            return this;
+        const self = this;
+        if (this.backoff.attempts >= this._reconnectionAttempts) {
+            this.backoff.reset();
+            this.emitReserved("reconnect_failed");
+            this._reconnecting = false;
+        }
+        else {
+            const delay = this.backoff.duration();
+            this._reconnecting = true;
+            const timer = this.setTimeoutFn(() => {
+                if (self.skipReconnect)
+                    return;
+                this.emitReserved("reconnect_attempt", self.backoff.attempts);
+                // check again for the case socket closed in above events
+                if (self.skipReconnect)
+                    return;
+                self.open((err) => {
+                    if (err) {
+                        self._reconnecting = false;
+                        self.reconnect();
+                        this.emitReserved("reconnect_error", err);
+                    }
+                    else {
+                        self.onreconnect();
+                    }
+                });
+            }, delay);
+            if (this.opts.autoUnref) {
+                timer.unref();
+            }
+            this.subs.push(() => {
+                this.clearTimeoutFn(timer);
+            });
+        }
+    }
+    /**
+     * Called upon successful reconnect.
+     *
+     * @private
+     */
+    onreconnect() {
+        const attempt = this.backoff.attempts;
+        this._reconnecting = false;
+        this.backoff.reset();
+        this.emitReserved("reconnect", attempt);
+    }
+}

node_modules/socket.io-client/build/esm/on.d.ts

@@ -0,0 +1,2 @@
+import { Emitter } from "@socket.io/component-emitter";
+export declare function on(obj: Emitter<any, any>, ev: string, fn: (err?: any) => any): VoidFunction;

node_modules/socket.io-client/build/esm/on.js

@@ -0,0 +1,6 @@
+export function on(obj, ev, fn) {
+    obj.on(ev, fn);
+    return function subDestroy() {
+        obj.off(ev, fn);
+    };
+}

node_modules/socket.io-client/build/esm/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "socket.io-client",
+  "version": "4.7.5",
+  "type": "module"
+}

node_modules/socket.io-client/build/esm/socket.d.ts

@@ -0,0 +1,593 @@
+import { Packet } from "socket.io-parser";
+import { Manager } from "./manager.js";
+import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter";
+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 type DecorateAcknowledgements<E> = {
+    [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError<Params>) => Result : E[K];
+};
+export type Last<T extends any[]> = T extends [...infer H, infer L] ? L : any;
+export type AllButLast<T extends any[]> = T extends [...infer H, infer L] ? H : any[];
+export type FirstArg<T> = T extends (arg: infer Param) => infer Result ? Param : any;
+export interface SocketOptions {
+    /**
+     * the authentication payload sent when connecting to the Namespace
+     */
+    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;
+}
+export type DisconnectDescription = Error | {
+    description: string;
+    context?: unknown;
+};
+interface SocketReservedEvents {
+    connect: () => void;
+    connect_error: (err: Error) => void;
+    disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void;
+}
+/**
+ * A Socket is the fundamental class for interacting with the server.
+ *
+ * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
+ *
+ * @example
+ * const socket = io();
+ *
+ * socket.on("connect", () => {
+ *   console.log("connected");
+ * });
+ *
+ * // send an event to the server
+ * socket.emit("foo", "bar");
+ *
+ * socket.on("foobar", () => {
+ *   // an event was received from the server
+ * });
+ *
+ * // upon disconnection
+ * socket.on("disconnect", (reason) => {
+ *   console.log(`disconnected due to ${reason}`);
+ * });
+ */
+export declare class Socket<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<ListenEvents, EmitEvents, SocketReservedEvents> {
+    readonly io: Manager<ListenEvents, EmitEvents>;
+    /**
+     * A unique identifier for the session. `undefined` when the socket is not connected.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.id); // undefined
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.id); // "G5p5..."
+     * });
+     */
+    id: string | undefined;
+    /**
+     * 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.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.connected); // true
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.connected); // false
+     * });
+     */
+    connected: boolean;
+    /**
+     * 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.
+     *
+     * @example
+     * const socket = io({
+     *   auth: {
+     *     token: "abcd"
+     *   }
+     * });
+     *
+     * // or with a function
+     * const socket = io({
+     *   auth: (cb) => {
+     *     cb({ token: localStorage.token })
+     *   }
+     * });
+     */
+    auth: {
+        [key: string]: any;
+    } | ((cb: (data: object) => void) => void);
+    /**
+     * Buffer for packets received before the CONNECT packet
+     */
+    receiveBuffer: Array<ReadonlyArray<any>>;
+    /**
+     * Buffer for packets that will be sent once the socket is connected
+     */
+    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;
+    /**
+     * A sequence to generate the ID of the {@link QueuedPacket}.
+     * @private
+     */
+    private _queueSeq;
+    private readonly nsp;
+    private readonly _opts;
+    private ids;
+    /**
+     * A map containing acknowledgement handlers.
+     *
+     * The `withError` attribute is used to differentiate handlers that accept an error as first argument:
+     *
+     * - `socket.emit("test", (err, value) => { ... })` with `ackTimeout` option
+     * - `socket.timeout(5000).emit("test", (err, value) => { ... })`
+     * - `const value = await socket.emitWithAck("test")`
+     *
+     * From those that don't:
+     *
+     * - `socket.emit("test", (value) => { ... });`
+     *
+     * In the first case, the handlers will be called with an error when:
+     *
+     * - the timeout is reached
+     * - the socket gets disconnected
+     *
+     * In the second case, the handlers will be simply discarded upon disconnection, since the client will never receive
+     * an acknowledgement from the server.
+     *
+     * @private
+     */
+    private acks;
+    private flags;
+    private subs?;
+    private _anyListeners;
+    private _anyOutgoingListeners;
+    /**
+     * `Socket` constructor.
+     */
+    constructor(io: Manager, nsp: string, opts?: Partial<SocketOptions>);
+    /**
+     * Whether the socket is currently disconnected
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.disconnected); // false
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.disconnected); // true
+     * });
+     */
+    get disconnected(): boolean;
+    /**
+     * Subscribe to open, close and packet events
+     *
+     * @private
+     */
+    private subEvents;
+    /**
+     * Whether the Socket will try to reconnect when its Manager connects or reconnects.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.active); // true
+     *
+     * socket.on("disconnect", (reason) => {
+     *   if (reason === "io server disconnect") {
+     *     // the disconnection was initiated by the server, you need to manually reconnect
+     *     console.log(socket.active); // false
+     *   }
+     *   // else the socket will automatically try to reconnect
+     *   console.log(socket.active); // true
+     * });
+     */
+    get active(): boolean;
+    /**
+     * "Opens" the socket.
+     *
+     * @example
+     * const socket = io({
+     *   autoConnect: false
+     * });
+     *
+     * socket.connect();
+     */
+    connect(): this;
+    /**
+     * Alias for {@link connect()}.
+     */
+    open(): this;
+    /**
+     * Sends a `message` event.
+     *
+     * This method mimics the WebSocket.send() method.
+     *
+     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
+     *
+     * @example
+     * socket.send("hello");
+     *
+     * // this is equivalent to
+     * socket.emit("message", "hello");
+     *
+     * @return self
+     */
+    send(...args: any[]): this;
+    /**
+     * Override `emit`.
+     * If the event is in `events`, it's emitted normally.
+     *
+     * @example
+     * socket.emit("hello", "world");
+     *
+     * // all serializable datastructures are supported (no need to call JSON.stringify)
+     * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
+     *
+     * // with an acknowledgement from the server
+     * socket.emit("hello", "world", (val) => {
+     *   // ...
+     * });
+     *
+     * @return self
+     */
+    emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): this;
+    /**
+     * @private
+     */
+    private _registerAckCallback;
+    /**
+     * 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>>>>;
+    /**
+     * Add the packet to the queue.
+     * @param args
+     * @private
+     */
+    private _addToQueue;
+    /**
+     * Send the first packet of the queue, and wait for an acknowledgement from the server.
+     * @param force - whether to resend a packet that has not been acknowledged yet
+     *
+     * @private
+     */
+    private _drainQueue;
+    /**
+     * Sends a packet.
+     *
+     * @param packet
+     * @private
+     */
+    private packet;
+    /**
+     * Called upon engine `open`.
+     *
+     * @private
+     */
+    private onopen;
+    /**
+     * Sends a CONNECT packet to initiate the Socket.IO session.
+     *
+     * @param data
+     * @private
+     */
+    private _sendConnectPacket;
+    /**
+     * Called upon engine or manager `error`.
+     *
+     * @param err
+     * @private
+     */
+    private onerror;
+    /**
+     * Called upon engine `close`.
+     *
+     * @param reason
+     * @param description
+     * @private
+     */
+    private onclose;
+    /**
+     * Clears the acknowledgement handlers upon disconnection, since the client will never receive an acknowledgement from
+     * the server.
+     *
+     * @private
+     */
+    private _clearAcks;
+    /**
+     * Called with socket packet.
+     *
+     * @param packet
+     * @private
+     */
+    private onpacket;
+    /**
+     * Called upon a server event.
+     *
+     * @param packet
+     * @private
+     */
+    private onevent;
+    private emitEvent;
+    /**
+     * Produces an ack callback to emit with an event.
+     *
+     * @private
+     */
+    private ack;
+    /**
+     * Called upon a server acknowledgement.
+     *
+     * @param packet
+     * @private
+     */
+    private onack;
+    /**
+     * Called upon server connect.
+     *
+     * @private
+     */
+    private onconnect;
+    /**
+     * Emit buffered events (received and emitted).
+     *
+     * @private
+     */
+    private emitBuffered;
+    /**
+     * Called upon server disconnect.
+     *
+     * @private
+     */
+    private ondisconnect;
+    /**
+     * Called upon forced client/server side disconnections,
+     * this method ensures the manager stops tracking us and
+     * that reconnections don't get triggered for this.
+     *
+     * @private
+     */
+    private destroy;
+    /**
+     * Disconnects the socket manually. In that case, the socket will not try to reconnect.
+     *
+     * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("disconnect", (reason) => {
+     *   // console.log(reason); prints "io client disconnect"
+     * });
+     *
+     * socket.disconnect();
+     *
+     * @return self
+     */
+    disconnect(): this;
+    /**
+     * Alias for {@link disconnect()}.
+     *
+     * @return self
+     */
+    close(): this;
+    /**
+     * Sets the compress flag.
+     *
+     * @example
+     * socket.compress(false).emit("hello");
+     *
+     * @param compress - if `true`, compresses the sending data
+     * @return self
+     */
+    compress(compress: boolean): this;
+    /**
+     * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
+     * ready to send messages.
+     *
+     * @example
+     * socket.volatile.emit("hello"); // the server may or may not receive it
+     *
+     * @returns self
+     */
+    get volatile(): this;
+    /**
+     * Sets a modifier for a subsequent event emission that the callback will be called with an error when the
+     * given number of milliseconds have elapsed without an acknowledgement from the server:
+     *
+     * @example
+     * socket.timeout(5000).emit("my-event", (err) => {
+     *   if (err) {
+     *     // the server did not acknowledge the event in the given delay
+     *   }
+     * });
+     *
+     * @returns self
+     */
+    timeout(timeout: number): Socket<ListenEvents, DecorateAcknowledgements<EmitEvents>>;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * @example
+     * socket.onAny((event, ...args) => {
+     *   console.log(`got ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAny(listener: (...args: any[]) => void): this;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * @example
+     * socket.prependAny((event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAny(listener: (...args: any[]) => void): this;
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * }
+     *
+     * socket.onAny(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAny(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAny();
+     *
+     * @param listener
+     */
+    offAny(listener?: (...args: any[]) => void): this;
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAny(): ((...args: any[]) => void)[];
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.onAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAnyOutgoing(listener: (...args: any[]) => void): this;
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.prependAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAnyOutgoing(listener: (...args: any[]) => void): this;
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * }
+     *
+     * socket.onAnyOutgoing(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAnyOutgoing(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAnyOutgoing();
+     *
+     * @param [listener] - the catch-all listener (optional)
+     */
+    offAnyOutgoing(listener?: (...args: any[]) => void): this;
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAnyOutgoing(): ((...args: any[]) => void)[];
+    /**
+     * Notify the listeners for each packet sent
+     *
+     * @param packet
+     *
+     * @private
+     */
+    private notifyOutgoingListeners;
+}
+export declare namespace Socket {
+    type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error";
+}
+export {};

node_modules/socket.io-client/build/esm/socket.js

@@ -0,0 +1,882 @@
+import { PacketType } from "socket.io-parser";
+import { on } from "./on.js";
+import { Emitter, } from "@socket.io/component-emitter";
+/**
+ * Internal events.
+ * These events can't be emitted by the user.
+ */
+const RESERVED_EVENTS = Object.freeze({
+    connect: 1,
+    connect_error: 1,
+    disconnect: 1,
+    disconnecting: 1,
+    // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener
+    newListener: 1,
+    removeListener: 1,
+});
+/**
+ * A Socket is the fundamental class for interacting with the server.
+ *
+ * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
+ *
+ * @example
+ * const socket = io();
+ *
+ * socket.on("connect", () => {
+ *   console.log("connected");
+ * });
+ *
+ * // send an event to the server
+ * socket.emit("foo", "bar");
+ *
+ * socket.on("foobar", () => {
+ *   // an event was received from the server
+ * });
+ *
+ * // upon disconnection
+ * socket.on("disconnect", (reason) => {
+ *   console.log(`disconnected due to ${reason}`);
+ * });
+ */
+export class Socket extends Emitter {
+    /**
+     * `Socket` constructor.
+     */
+    constructor(io, nsp, opts) {
+        super();
+        /**
+         * Whether the socket is currently connected to the server.
+         *
+         * @example
+         * const socket = io();
+         *
+         * socket.on("connect", () => {
+         *   console.log(socket.connected); // true
+         * });
+         *
+         * socket.on("disconnect", () => {
+         *   console.log(socket.connected); // false
+         * });
+         */
+        this.connected = false;
+        /**
+         * 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
+         */
+        this.receiveBuffer = [];
+        /**
+         * Buffer for packets that will be sent once the socket is connected
+         */
+        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 = [];
+        /**
+         * A sequence to generate the ID of the {@link QueuedPacket}.
+         * @private
+         */
+        this._queueSeq = 0;
+        this.ids = 0;
+        /**
+         * A map containing acknowledgement handlers.
+         *
+         * The `withError` attribute is used to differentiate handlers that accept an error as first argument:
+         *
+         * - `socket.emit("test", (err, value) => { ... })` with `ackTimeout` option
+         * - `socket.timeout(5000).emit("test", (err, value) => { ... })`
+         * - `const value = await socket.emitWithAck("test")`
+         *
+         * From those that don't:
+         *
+         * - `socket.emit("test", (value) => { ... });`
+         *
+         * In the first case, the handlers will be called with an error when:
+         *
+         * - the timeout is reached
+         * - the socket gets disconnected
+         *
+         * In the second case, the handlers will be simply discarded upon disconnection, since the client will never receive
+         * an acknowledgement from the server.
+         *
+         * @private
+         */
+        this.acks = {};
+        this.flags = {};
+        this.io = io;
+        this.nsp = nsp;
+        if (opts && opts.auth) {
+            this.auth = opts.auth;
+        }
+        this._opts = Object.assign({}, opts);
+        if (this.io._autoConnect)
+            this.open();
+    }
+    /**
+     * Whether the socket is currently disconnected
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("connect", () => {
+     *   console.log(socket.disconnected); // false
+     * });
+     *
+     * socket.on("disconnect", () => {
+     *   console.log(socket.disconnected); // true
+     * });
+     */
+    get disconnected() {
+        return !this.connected;
+    }
+    /**
+     * Subscribe to open, close and packet events
+     *
+     * @private
+     */
+    subEvents() {
+        if (this.subs)
+            return;
+        const io = this.io;
+        this.subs = [
+            on(io, "open", this.onopen.bind(this)),
+            on(io, "packet", this.onpacket.bind(this)),
+            on(io, "error", this.onerror.bind(this)),
+            on(io, "close", this.onclose.bind(this)),
+        ];
+    }
+    /**
+     * Whether the Socket will try to reconnect when its Manager connects or reconnects.
+     *
+     * @example
+     * const socket = io();
+     *
+     * console.log(socket.active); // true
+     *
+     * socket.on("disconnect", (reason) => {
+     *   if (reason === "io server disconnect") {
+     *     // the disconnection was initiated by the server, you need to manually reconnect
+     *     console.log(socket.active); // false
+     *   }
+     *   // else the socket will automatically try to reconnect
+     *   console.log(socket.active); // true
+     * });
+     */
+    get active() {
+        return !!this.subs;
+    }
+    /**
+     * "Opens" the socket.
+     *
+     * @example
+     * const socket = io({
+     *   autoConnect: false
+     * });
+     *
+     * socket.connect();
+     */
+    connect() {
+        if (this.connected)
+            return this;
+        this.subEvents();
+        if (!this.io["_reconnecting"])
+            this.io.open(); // ensure open
+        if ("open" === this.io._readyState)
+            this.onopen();
+        return this;
+    }
+    /**
+     * Alias for {@link connect()}.
+     */
+    open() {
+        return this.connect();
+    }
+    /**
+     * Sends a `message` event.
+     *
+     * This method mimics the WebSocket.send() method.
+     *
+     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
+     *
+     * @example
+     * socket.send("hello");
+     *
+     * // this is equivalent to
+     * socket.emit("message", "hello");
+     *
+     * @return self
+     */
+    send(...args) {
+        args.unshift("message");
+        this.emit.apply(this, args);
+        return this;
+    }
+    /**
+     * Override `emit`.
+     * If the event is in `events`, it's emitted normally.
+     *
+     * @example
+     * socket.emit("hello", "world");
+     *
+     * // all serializable datastructures are supported (no need to call JSON.stringify)
+     * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
+     *
+     * // with an acknowledgement from the server
+     * socket.emit("hello", "world", (val) => {
+     *   // ...
+     * });
+     *
+     * @return self
+     */
+    emit(ev, ...args) {
+        var _a, _b, _c;
+        if (RESERVED_EVENTS.hasOwnProperty(ev)) {
+            throw new Error('"' + ev.toString() + '" is a reserved event name');
+        }
+        args.unshift(ev);
+        if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {
+            this._addToQueue(args);
+            return this;
+        }
+        const packet = {
+            type: PacketType.EVENT,
+            data: args,
+        };
+        packet.options = {};
+        packet.options.compress = this.flags.compress !== false;
+        // event ack callback
+        if ("function" === typeof args[args.length - 1]) {
+            const id = this.ids++;
+            const ack = args.pop();
+            this._registerAckCallback(id, ack);
+            packet.id = id;
+        }
+        const isTransportWritable = (_b = (_a = this.io.engine) === null || _a === void 0 ? void 0 : _a.transport) === null || _b === void 0 ? void 0 : _b.writable;
+        const isConnected = this.connected && !((_c = this.io.engine) === null || _c === void 0 ? void 0 : _c._hasPingExpired());
+        const discardPacket = this.flags.volatile && !isTransportWritable;
+        if (discardPacket) {
+        }
+        else if (isConnected) {
+            this.notifyOutgoingListeners(packet);
+            this.packet(packet);
+        }
+        else {
+            this.sendBuffer.push(packet);
+        }
+        this.flags = {};
+        return this;
+    }
+    /**
+     * @private
+     */
+    _registerAckCallback(id, ack) {
+        var _a;
+        const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;
+        if (timeout === undefined) {
+            this.acks[id] = ack;
+            return;
+        }
+        // @ts-ignore
+        const timer = this.io.setTimeoutFn(() => {
+            delete this.acks[id];
+            for (let i = 0; i < this.sendBuffer.length; i++) {
+                if (this.sendBuffer[i].id === id) {
+                    this.sendBuffer.splice(i, 1);
+                }
+            }
+            ack.call(this, new Error("operation has timed out"));
+        }, timeout);
+        const fn = (...args) => {
+            // @ts-ignore
+            this.io.clearTimeoutFn(timer);
+            ack.apply(this, args);
+        };
+        fn.withError = true;
+        this.acks[id] = fn;
+    }
+    /**
+     * 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) {
+        return new Promise((resolve, reject) => {
+            const fn = (arg1, arg2) => {
+                return arg1 ? reject(arg1) : resolve(arg2);
+            };
+            fn.withError = true;
+            args.push(fn);
+            this.emit(ev, ...args);
+        });
+    }
+    /**
+     * Add the packet to the queue.
+     * @param args
+     * @private
+     */
+    _addToQueue(args) {
+        let ack;
+        if (typeof args[args.length - 1] === "function") {
+            ack = args.pop();
+        }
+        const packet = {
+            id: this._queueSeq++,
+            tryCount: 0,
+            pending: false,
+            args,
+            flags: Object.assign({ fromQueue: true }, this.flags),
+        };
+        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 (ack) {
+                        ack(err);
+                    }
+                }
+            }
+            else {
+                this._queue.shift();
+                if (ack) {
+                    ack(null, ...responseArgs);
+                }
+            }
+            packet.pending = false;
+            return this._drainQueue();
+        });
+        this._queue.push(packet);
+        this._drainQueue();
+    }
+    /**
+     * Send the first packet of the queue, and wait for an acknowledgement from the server.
+     * @param force - whether to resend a packet that has not been acknowledged yet
+     *
+     * @private
+     */
+    _drainQueue(force = false) {
+        if (!this.connected || this._queue.length === 0) {
+            return;
+        }
+        const packet = this._queue[0];
+        if (packet.pending && !force) {
+            return;
+        }
+        packet.pending = true;
+        packet.tryCount++;
+        this.flags = packet.flags;
+        this.emit.apply(this, packet.args);
+    }
+    /**
+     * Sends a packet.
+     *
+     * @param packet
+     * @private
+     */
+    packet(packet) {
+        packet.nsp = this.nsp;
+        this.io._packet(packet);
+    }
+    /**
+     * Called upon engine `open`.
+     *
+     * @private
+     */
+    onopen() {
+        if (typeof this.auth == "function") {
+            this.auth((data) => {
+                this._sendConnectPacket(data);
+            });
+        }
+        else {
+            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`.
+     *
+     * @param err
+     * @private
+     */
+    onerror(err) {
+        if (!this.connected) {
+            this.emitReserved("connect_error", err);
+        }
+    }
+    /**
+     * Called upon engine `close`.
+     *
+     * @param reason
+     * @param description
+     * @private
+     */
+    onclose(reason, description) {
+        this.connected = false;
+        delete this.id;
+        this.emitReserved("disconnect", reason, description);
+        this._clearAcks();
+    }
+    /**
+     * Clears the acknowledgement handlers upon disconnection, since the client will never receive an acknowledgement from
+     * the server.
+     *
+     * @private
+     */
+    _clearAcks() {
+        Object.keys(this.acks).forEach((id) => {
+            const isBuffered = this.sendBuffer.some((packet) => String(packet.id) === id);
+            if (!isBuffered) {
+                // note: handlers that do not accept an error as first argument are ignored here
+                const ack = this.acks[id];
+                delete this.acks[id];
+                if (ack.withError) {
+                    ack.call(this, new Error("socket has been disconnected"));
+                }
+            }
+        });
+    }
+    /**
+     * Called with socket packet.
+     *
+     * @param packet
+     * @private
+     */
+    onpacket(packet) {
+        const sameNamespace = packet.nsp === this.nsp;
+        if (!sameNamespace)
+            return;
+        switch (packet.type) {
+            case PacketType.CONNECT:
+                if (packet.data && packet.data.sid) {
+                    this.onconnect(packet.data.sid, packet.data.pid);
+                }
+                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 PacketType.EVENT:
+            case PacketType.BINARY_EVENT:
+                this.onevent(packet);
+                break;
+            case PacketType.ACK:
+            case PacketType.BINARY_ACK:
+                this.onack(packet);
+                break;
+            case PacketType.DISCONNECT:
+                this.ondisconnect();
+                break;
+            case PacketType.CONNECT_ERROR:
+                this.destroy();
+                const err = new Error(packet.data.message);
+                // @ts-ignore
+                err.data = packet.data.data;
+                this.emitReserved("connect_error", err);
+                break;
+        }
+    }
+    /**
+     * Called upon a server event.
+     *
+     * @param packet
+     * @private
+     */
+    onevent(packet) {
+        const args = packet.data || [];
+        if (null != packet.id) {
+            args.push(this.ack(packet.id));
+        }
+        if (this.connected) {
+            this.emitEvent(args);
+        }
+        else {
+            this.receiveBuffer.push(Object.freeze(args));
+        }
+    }
+    emitEvent(args) {
+        if (this._anyListeners && this._anyListeners.length) {
+            const listeners = this._anyListeners.slice();
+            for (const listener of listeners) {
+                listener.apply(this, args);
+            }
+        }
+        super.emit.apply(this, args);
+        if (this._pid && args.length && typeof args[args.length - 1] === "string") {
+            this._lastOffset = args[args.length - 1];
+        }
+    }
+    /**
+     * Produces an ack callback to emit with an event.
+     *
+     * @private
+     */
+    ack(id) {
+        const self = this;
+        let sent = false;
+        return function (...args) {
+            // prevent double callbacks
+            if (sent)
+                return;
+            sent = true;
+            self.packet({
+                type: PacketType.ACK,
+                id: id,
+                data: args,
+            });
+        };
+    }
+    /**
+     * Called upon a server acknowledgement.
+     *
+     * @param packet
+     * @private
+     */
+    onack(packet) {
+        const ack = this.acks[packet.id];
+        if (typeof ack !== "function") {
+            return;
+        }
+        delete this.acks[packet.id];
+        // @ts-ignore FIXME ack is incorrectly inferred as 'never'
+        if (ack.withError) {
+            packet.data.unshift(null);
+        }
+        // @ts-ignore
+        ack.apply(this, packet.data);
+    }
+    /**
+     * Called upon server connect.
+     *
+     * @private
+     */
+    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;
+        this.emitBuffered();
+        this.emitReserved("connect");
+        this._drainQueue(true);
+    }
+    /**
+     * Emit buffered events (received and emitted).
+     *
+     * @private
+     */
+    emitBuffered() {
+        this.receiveBuffer.forEach((args) => this.emitEvent(args));
+        this.receiveBuffer = [];
+        this.sendBuffer.forEach((packet) => {
+            this.notifyOutgoingListeners(packet);
+            this.packet(packet);
+        });
+        this.sendBuffer = [];
+    }
+    /**
+     * Called upon server disconnect.
+     *
+     * @private
+     */
+    ondisconnect() {
+        this.destroy();
+        this.onclose("io server disconnect");
+    }
+    /**
+     * Called upon forced client/server side disconnections,
+     * this method ensures the manager stops tracking us and
+     * that reconnections don't get triggered for this.
+     *
+     * @private
+     */
+    destroy() {
+        if (this.subs) {
+            // clean subscriptions to avoid reconnections
+            this.subs.forEach((subDestroy) => subDestroy());
+            this.subs = undefined;
+        }
+        this.io["_destroy"](this);
+    }
+    /**
+     * Disconnects the socket manually. In that case, the socket will not try to reconnect.
+     *
+     * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
+     *
+     * @example
+     * const socket = io();
+     *
+     * socket.on("disconnect", (reason) => {
+     *   // console.log(reason); prints "io client disconnect"
+     * });
+     *
+     * socket.disconnect();
+     *
+     * @return self
+     */
+    disconnect() {
+        if (this.connected) {
+            this.packet({ type: PacketType.DISCONNECT });
+        }
+        // remove socket from pool
+        this.destroy();
+        if (this.connected) {
+            // fire events
+            this.onclose("io client disconnect");
+        }
+        return this;
+    }
+    /**
+     * Alias for {@link disconnect()}.
+     *
+     * @return self
+     */
+    close() {
+        return this.disconnect();
+    }
+    /**
+     * Sets the compress flag.
+     *
+     * @example
+     * socket.compress(false).emit("hello");
+     *
+     * @param compress - if `true`, compresses the sending data
+     * @return self
+     */
+    compress(compress) {
+        this.flags.compress = compress;
+        return this;
+    }
+    /**
+     * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
+     * ready to send messages.
+     *
+     * @example
+     * socket.volatile.emit("hello"); // the server may or may not receive it
+     *
+     * @returns self
+     */
+    get volatile() {
+        this.flags.volatile = true;
+        return this;
+    }
+    /**
+     * Sets a modifier for a subsequent event emission that the callback will be called with an error when the
+     * given number of milliseconds have elapsed without an acknowledgement from the server:
+     *
+     * @example
+     * socket.timeout(5000).emit("my-event", (err) => {
+     *   if (err) {
+     *     // the server did not acknowledge the event in the given delay
+     *   }
+     * });
+     *
+     * @returns self
+     */
+    timeout(timeout) {
+        this.flags.timeout = timeout;
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * @example
+     * socket.onAny((event, ...args) => {
+     *   console.log(`got ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAny(listener) {
+        this._anyListeners = this._anyListeners || [];
+        this._anyListeners.push(listener);
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * @example
+     * socket.prependAny((event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAny(listener) {
+        this._anyListeners = this._anyListeners || [];
+        this._anyListeners.unshift(listener);
+        return this;
+    }
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`got event ${event}`);
+     * }
+     *
+     * socket.onAny(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAny(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAny();
+     *
+     * @param listener
+     */
+    offAny(listener) {
+        if (!this._anyListeners) {
+            return this;
+        }
+        if (listener) {
+            const listeners = this._anyListeners;
+            for (let i = 0; i < listeners.length; i++) {
+                if (listener === listeners[i]) {
+                    listeners.splice(i, 1);
+                    return this;
+                }
+            }
+        }
+        else {
+            this._anyListeners = [];
+        }
+        return this;
+    }
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAny() {
+        return this._anyListeners || [];
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.onAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    onAnyOutgoing(listener) {
+        this._anyOutgoingListeners = this._anyOutgoingListeners || [];
+        this._anyOutgoingListeners.push(listener);
+        return this;
+    }
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback. The listener is added to the beginning of the listeners array.
+     *
+     * Note: acknowledgements sent to the server are not included.
+     *
+     * @example
+     * socket.prependAnyOutgoing((event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * });
+     *
+     * @param listener
+     */
+    prependAnyOutgoing(listener) {
+        this._anyOutgoingListeners = this._anyOutgoingListeners || [];
+        this._anyOutgoingListeners.unshift(listener);
+        return this;
+    }
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @example
+     * const catchAllListener = (event, ...args) => {
+     *   console.log(`sent event ${event}`);
+     * }
+     *
+     * socket.onAnyOutgoing(catchAllListener);
+     *
+     * // remove a specific listener
+     * socket.offAnyOutgoing(catchAllListener);
+     *
+     * // or remove all listeners
+     * socket.offAnyOutgoing();
+     *
+     * @param [listener] - the catch-all listener (optional)
+     */
+    offAnyOutgoing(listener) {
+        if (!this._anyOutgoingListeners) {
+            return this;
+        }
+        if (listener) {
+            const listeners = this._anyOutgoingListeners;
+            for (let i = 0; i < listeners.length; i++) {
+                if (listener === listeners[i]) {
+                    listeners.splice(i, 1);
+                    return this;
+                }
+            }
+        }
+        else {
+            this._anyOutgoingListeners = [];
+        }
+        return this;
+    }
+    /**
+     * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
+     * e.g. to remove listeners.
+     */
+    listenersAnyOutgoing() {
+        return this._anyOutgoingListeners || [];
+    }
+    /**
+     * Notify the listeners for each packet sent
+     *
+     * @param packet
+     *
+     * @private
+     */
+    notifyOutgoingListeners(packet) {
+        if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {
+            const listeners = this._anyOutgoingListeners.slice();
+            for (const listener of listeners) {
+                listener.apply(this, packet.data);
+            }
+        }
+    }
+}

node_modules/socket.io-client/build/esm/url.d.ts

@@ -0,0 +1,33 @@
+type ParsedUrl = {
+    source: string;
+    protocol: string;
+    authority: string;
+    userInfo: string;
+    user: string;
+    password: string;
+    host: string;
+    port: string;
+    relative: string;
+    path: string;
+    directory: string;
+    file: string;
+    query: string;
+    anchor: string;
+    pathNames: Array<string>;
+    queryKey: {
+        [key: string]: string;
+    };
+    id: string;
+    href: string;
+};
+/**
+ * URL parser.
+ *
+ * @param uri - url
+ * @param path - the request path of the connection
+ * @param loc - An object meant to mimic window.location.
+ *        Defaults to window.location.
+ * @public
+ */
+export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl;
+export {};

node_modules/socket.io-client/build/esm/url.js

@@ -0,0 +1,59 @@
+import { parse } from "engine.io-client";
+/**
+ * URL parser.
+ *
+ * @param uri - url
+ * @param path - the request path of the connection
+ * @param loc - An object meant to mimic window.location.
+ *        Defaults to window.location.
+ * @public
+ */
+export function url(uri, path = "", loc) {
+    let obj = uri;
+    // default to window.location
+    loc = loc || (typeof location !== "undefined" && location);
+    if (null == uri)
+        uri = loc.protocol + "//" + loc.host;
+    // relative path support
+    if (typeof uri === "string") {
+        if ("/" === uri.charAt(0)) {
+            if ("/" === uri.charAt(1)) {
+                uri = loc.protocol + uri;
+            }
+            else {
+                uri = loc.host + uri;
+            }
+        }
+        if (!/^(https?|wss?):\/\//.test(uri)) {
+            if ("undefined" !== typeof loc) {
+                uri = loc.protocol + "//" + uri;
+            }
+            else {
+                uri = "https://" + uri;
+            }
+        }
+        // parse
+        obj = parse(uri);
+    }
+    // make sure we treat `localhost:80` and `localhost` equally
+    if (!obj.port) {
+        if (/^(http|ws)$/.test(obj.protocol)) {
+            obj.port = "80";
+        }
+        else if (/^(http|ws)s$/.test(obj.protocol)) {
+            obj.port = "443";
+        }
+    }
+    obj.path = obj.path || "/";
+    const ipv6 = obj.host.indexOf(":") !== -1;
+    const host = ipv6 ? "[" + obj.host + "]" : obj.host;
+    // define unique id
+    obj.id = obj.protocol + "://" + host + ":" + obj.port + path;
+    // define href
+    obj.href =
+        obj.protocol +
+            "://" +
+            host +
+            (loc && loc.port === obj.port ? "" : ":" + obj.port);
+    return obj;
+}

node_modules/socket.io-client/package.json

@@ -0,0 +1,101 @@
+{
+  "name": "socket.io-client",
+  "version": "4.8.1",
+  "description": "Realtime application framework client",
+  "keywords": [
+    "realtime",
+    "framework",
+    "websocket",
+    "tcp",
+    "events",
+    "client"
+  ],
+  "files": [
+    "dist/",
+    "build/"
+  ],
+  "type": "commonjs",
+  "main": "./build/cjs/index.js",
+  "module": "./build/esm/index.js",
+  "exports": {
+    "./package.json": "./package.json",
+    "./dist/socket.io.js": "./dist/socket.io.js",
+    "./dist/socket.io.js.map": "./dist/socket.io.js.map",
+    ".": {
+      "import": {
+        "types": "./build/esm/index.d.ts",
+        "node": "./build/esm-debug/index.js",
+        "default": "./build/esm/index.js"
+      },
+      "require": {
+        "types": "./build/cjs/index.d.ts",
+        "default": "./build/cjs/index.js"
+      }
+    },
+    "./debug": {
+      "import": {
+        "types": "./build/esm/index.d.ts",
+        "default": "./build/esm-debug/index.js"
+      },
+      "require": {
+        "types": "./build/cjs/index.d.ts",
+        "default": "./build/cjs/index.js"
+      }
+    }
+  },
+  "types": "./build/esm/index.d.ts",
+  "dependencies": {
+    "@socket.io/component-emitter": "~3.1.0",
+    "debug": "~4.3.2",
+    "engine.io-client": "~6.6.1",
+    "socket.io-parser": "~4.2.4"
+  },
+  "scripts": {
+    "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh",
+    "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi",
+    "test:node": "mocha --require ts-node/register --require test/support/hooks.ts --exit test/index.ts",
+    "test:browser": "ts-node test/browser-runner.ts",
+    "test:types": "tsd",
+    "build": "rollup -c support/rollup.config.umd.js && rollup -c support/rollup.config.esm.js && rollup -c support/rollup.config.umd.msgpack.js",
+    "bundle-size": "node support/bundle-size.js",
+    "format:check": "prettier --check \"*.js\" \"lib/**/*.ts\" \"test/**/*.ts\" \"support/**/*.js\"",
+    "format:fix": "prettier --write \"*.js\" \"lib/**/*.ts\" \"test/**/*.ts\" \"support/**/*.js\"",
+    "prepack": "npm run compile"
+  },
+  "contributors": [
+    {
+      "name": "Guillermo Rauch",
+      "email": "rauchg@gmail.com"
+    },
+    {
+      "name": "Arnout Kazemier",
+      "email": "info@3rd-eden.com"
+    },
+    {
+      "name": "Vladimir Dronnikov",
+      "email": "dronnikov@gmail.com"
+    },
+    {
+      "name": "Einar Otto Stangvik",
+      "email": "einaros@gmail.com"
+    }
+  ],
+  "homepage": "https://github.com/socketio/socket.io/tree/main/packages/socket.io-client#readme",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/socketio/socket.io.git"
+  },
+  "bugs": {
+    "url": "https://github.com/socketio/socket.io/issues"
+  },
+  "license": "MIT",
+  "engines": {
+    "node": ">=10.0.0"
+  },
+  "tsd": {
+    "directory": "test"
+  },
+  "browser": {
+    "./test/node.ts": false
+  }
+}