diff --git a/main.py b/main.py
index afd724e..37fc170 100644
--- a/main.py
+++ b/main.py
@@ -39,7 +39,11 @@ def exit_handler():
 #website
 @app.route('/favicon.ico')
 def favicon():
-    return url_for('static', filename='image/Logo_CCC.svg.png') 
+    return url_for('static', filename='Logo_CCC.svg.png') 
+
+@app.route('/socket.io.js')
+def socketiojs():
+    return url_for('static', filename='socket.io.js') 
 
 @app.route("/")
 def index():
@@ -47,7 +51,7 @@ def index():
     <a href="/list">user and tag list</a> 
     <p>The creator of this website accepts no liability for any linguistic or technical errors!</p>
     <br style="line-height: 500%;"></br>
-    <a href="/documentation">Doumentation</a>script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous">
+    <a href="/documentation">Doumentation</a>script src="/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous">
     </script>
     <script type="text/javascript" charset="utf-8">
         window.location="http://matekasse.server.c3h/list"
diff --git a/socket.io.js b/socket.io.js
new file mode 100644
index 0000000..ce84149
--- /dev/null
+++ b/socket.io.js
@@ -0,0 +1,6046 @@
+/*!
+ * Socket.IO v4.0.1
+ * (c) 2014-2021 Guillermo Rauch
+ * Released under the MIT License.
+ */
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define([], factory);
+	else if(typeof exports === 'object')
+		exports["io"] = factory();
+	else
+		root["io"] = factory();
+})(self, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__webpack_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__webpack_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __webpack_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__webpack_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(__webpack_require__.s = "./build/index.js");
+/******/ })
+/************************************************************************/
+/******/ ({
+
+/***/ "./build/index.js":
+/*!************************!*\
+  !*** ./build/index.js ***!
+  \************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Socket = exports.io = exports.Manager = exports.protocol = void 0;
+
+var url_1 = __webpack_require__(/*! ./url */ "./build/url.js");
+
+var manager_1 = __webpack_require__(/*! ./manager */ "./build/manager.js");
+
+var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js");
+
+Object.defineProperty(exports, "Socket", {
+  enumerable: true,
+  get: function get() {
+    return socket_1.Socket;
+  }
+});
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client");
+/**
+ * Module exports.
+ */
+
+
+module.exports = exports = lookup;
+/**
+ * Managers cache.
+ */
+
+var cache = exports.managers = {};
+
+function lookup(uri, opts) {
+  if (_typeof(uri) === "object") {
+    opts = uri;
+    uri = undefined;
+  }
+
+  opts = opts || {};
+  var parsed = url_1.url(uri, opts.path);
+  var source = parsed.source;
+  var id = parsed.id;
+  var path = parsed.path;
+  var sameNamespace = cache[id] && path in cache[id]["nsps"];
+  var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace;
+  var io;
+
+  if (newConnection) {
+    debug("ignoring socket cache for %s", source);
+    io = new manager_1.Manager(source, opts);
+  } else {
+    if (!cache[id]) {
+      debug("new io instance for %s", source);
+      cache[id] = new manager_1.Manager(source, opts);
+    }
+
+    io = cache[id];
+  }
+
+  if (parsed.query && !opts.query) {
+    opts.query = parsed.queryKey;
+  }
+
+  return io.socket(parsed.path, opts);
+}
+
+exports.io = lookup;
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+
+var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
+
+Object.defineProperty(exports, "protocol", {
+  enumerable: true,
+  get: function get() {
+    return socket_io_parser_1.protocol;
+  }
+});
+/**
+ * `connect`.
+ *
+ * @param {String} uri
+ * @public
+ */
+
+exports.connect = lookup;
+/**
+ * Expose constructors for standalone build.
+ *
+ * @public
+ */
+
+var manager_2 = __webpack_require__(/*! ./manager */ "./build/manager.js");
+
+Object.defineProperty(exports, "Manager", {
+  enumerable: true,
+  get: function get() {
+    return manager_2.Manager;
+  }
+});
+exports["default"] = lookup;
+
+/***/ }),
+
+/***/ "./build/manager.js":
+/*!**************************!*\
+  !*** ./build/manager.js ***!
+  \**************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Manager = void 0;
+
+var eio = __webpack_require__(/*! engine.io-client */ "./node_modules/engine.io-client/lib/index.js");
+
+var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js");
+
+var parser = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
+
+var on_1 = __webpack_require__(/*! ./on */ "./build/on.js");
+
+var Backoff = __webpack_require__(/*! backo2 */ "./node_modules/backo2/index.js");
+
+var typed_events_1 = __webpack_require__(/*! ./typed-events */ "./build/typed-events.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:manager");
+
+var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
+  _inherits(Manager, _typed_events_1$Stric);
+
+  var _super = _createSuper(Manager);
+
+  function Manager(uri, opts) {
+    var _this;
+
+    _classCallCheck(this, Manager);
+
+    _this = _super.call(this);
+    _this.nsps = {};
+    _this.subs = [];
+
+    if (uri && "object" === _typeof(uri)) {
+      opts = uri;
+      uri = undefined;
+    }
+
+    opts = opts || {};
+    opts.path = opts.path || "/socket.io";
+    _this.opts = opts;
+
+    _this.reconnection(opts.reconnection !== false);
+
+    _this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
+
+    _this.reconnectionDelay(opts.reconnectionDelay || 1000);
+
+    _this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
+
+    _this.randomizationFactor(opts.randomizationFactor || 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;
+
+    var _parser = opts.parser || parser;
+
+    _this.encoder = new _parser.Encoder();
+    _this.decoder = new _parser.Decoder();
+    _this._autoConnect = opts.autoConnect !== false;
+    if (_this._autoConnect) _this.open();
+    return _this;
+  }
+
+  _createClass(Manager, [{
+    key: "reconnection",
+    value: function reconnection(v) {
+      if (!arguments.length) return this._reconnection;
+      this._reconnection = !!v;
+      return this;
+    }
+  }, {
+    key: "reconnectionAttempts",
+    value: function reconnectionAttempts(v) {
+      if (v === undefined) return this._reconnectionAttempts;
+      this._reconnectionAttempts = v;
+      return this;
+    }
+  }, {
+    key: "reconnectionDelay",
+    value: function 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;
+    }
+  }, {
+    key: "randomizationFactor",
+    value: function 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;
+    }
+  }, {
+    key: "reconnectionDelayMax",
+    value: function 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;
+    }
+  }, {
+    key: "timeout",
+    value: function 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
+     */
+
+  }, {
+    key: "maybeReconnectOnOpen",
+    value: function 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
+     */
+
+  }, {
+    key: "open",
+    value: function open(fn) {
+      var _this2 = this;
+
+      debug("readyState %s", this._readyState);
+      if (~this._readyState.indexOf("open")) return this;
+      debug("opening %s", this.uri);
+      this.engine = eio(this.uri, this.opts);
+      var socket = this.engine;
+      var self = this;
+      this._readyState = "opening";
+      this.skipReconnect = false; // emit `open`
+
+      var openSubDestroy = on_1.on(socket, "open", function () {
+        self.onopen();
+        fn && fn();
+      }); // emit `error`
+
+      var errorSub = on_1.on(socket, "error", function (err) {
+        debug("error");
+        self.cleanup();
+        self._readyState = "closed";
+
+        _this2.emitReserved("error", err);
+
+        if (fn) {
+          fn(err);
+        } else {
+          // Only do this if there is no fn to handle the error
+          self.maybeReconnectOnOpen();
+        }
+      });
+
+      if (false !== this._timeout) {
+        var timeout = this._timeout;
+        debug("connect attempt will timeout after %d", timeout);
+
+        if (timeout === 0) {
+          openSubDestroy(); // prevents a race condition with the 'open' event
+        } // set timer
+
+
+        var timer = setTimeout(function () {
+          debug("connect attempt timed out after %d", timeout);
+          openSubDestroy();
+          socket.close();
+          socket.emit("error", new Error("timeout"));
+        }, timeout);
+
+        if (this.opts.autoUnref) {
+          timer.unref();
+        }
+
+        this.subs.push(function subDestroy() {
+          clearTimeout(timer);
+        });
+      }
+
+      this.subs.push(openSubDestroy);
+      this.subs.push(errorSub);
+      return this;
+    }
+    /**
+     * Alias for open()
+     *
+     * @return self
+     * @public
+     */
+
+  }, {
+    key: "connect",
+    value: function connect(fn) {
+      return this.open(fn);
+    }
+    /**
+     * Called upon transport open.
+     *
+     * @private
+     */
+
+  }, {
+    key: "onopen",
+    value: function onopen() {
+      debug("open"); // clear old subs
+
+      this.cleanup(); // mark as open
+
+      this._readyState = "open";
+      this.emitReserved("open"); // add new subs
+
+      var socket = this.engine;
+      this.subs.push(on_1.on(socket, "ping", this.onping.bind(this)), on_1.on(socket, "data", this.ondata.bind(this)), on_1.on(socket, "error", this.onerror.bind(this)), on_1.on(socket, "close", this.onclose.bind(this)), on_1.on(this.decoder, "decoded", this.ondecoded.bind(this)));
+    }
+    /**
+     * Called upon a ping.
+     *
+     * @private
+     */
+
+  }, {
+    key: "onping",
+    value: function onping() {
+      this.emitReserved("ping");
+    }
+    /**
+     * Called with data.
+     *
+     * @private
+     */
+
+  }, {
+    key: "ondata",
+    value: function ondata(data) {
+      this.decoder.add(data);
+    }
+    /**
+     * Called when parser fully decodes a packet.
+     *
+     * @private
+     */
+
+  }, {
+    key: "ondecoded",
+    value: function ondecoded(packet) {
+      this.emitReserved("packet", packet);
+    }
+    /**
+     * Called upon socket error.
+     *
+     * @private
+     */
+
+  }, {
+    key: "onerror",
+    value: function onerror(err) {
+      debug("error", err);
+      this.emitReserved("error", err);
+    }
+    /**
+     * Creates a new socket for the given `nsp`.
+     *
+     * @return {Socket}
+     * @public
+     */
+
+  }, {
+    key: "socket",
+    value: function socket(nsp, opts) {
+      var socket = this.nsps[nsp];
+
+      if (!socket) {
+        socket = new socket_1.Socket(this, nsp, opts);
+        this.nsps[nsp] = socket;
+      }
+
+      return socket;
+    }
+    /**
+     * Called upon a socket close.
+     *
+     * @param socket
+     * @private
+     */
+
+  }, {
+    key: "_destroy",
+    value: function _destroy(socket) {
+      var nsps = Object.keys(this.nsps);
+
+      for (var _i = 0, _nsps = nsps; _i < _nsps.length; _i++) {
+        var nsp = _nsps[_i];
+        var _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
+     */
+
+  }, {
+    key: "_packet",
+    value: function _packet(packet) {
+      debug("writing packet %j", packet);
+      var encodedPackets = this.encoder.encode(packet);
+
+      for (var i = 0; i < encodedPackets.length; i++) {
+        this.engine.write(encodedPackets[i], packet.options);
+      }
+    }
+    /**
+     * Clean up transport subscriptions and packet buffer.
+     *
+     * @private
+     */
+
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      debug("cleanup");
+      this.subs.forEach(function (subDestroy) {
+        return subDestroy();
+      });
+      this.subs.length = 0;
+      this.decoder.destroy();
+    }
+    /**
+     * Close the current socket.
+     *
+     * @private
+     */
+
+  }, {
+    key: "_close",
+    value: function _close() {
+      debug("disconnect");
+      this.skipReconnect = true;
+      this._reconnecting = false;
+
+      if ("opening" === this._readyState) {
+        // `onclose` will not fire because
+        // an open event never happened
+        this.cleanup();
+      }
+
+      this.backoff.reset();
+      this._readyState = "closed";
+      if (this.engine) this.engine.close();
+    }
+    /**
+     * Alias for close()
+     *
+     * @private
+     */
+
+  }, {
+    key: "disconnect",
+    value: function disconnect() {
+      return this._close();
+    }
+    /**
+     * Called upon engine close.
+     *
+     * @private
+     */
+
+  }, {
+    key: "onclose",
+    value: function onclose(reason) {
+      debug("onclose");
+      this.cleanup();
+      this.backoff.reset();
+      this._readyState = "closed";
+      this.emitReserved("close", reason);
+
+      if (this._reconnection && !this.skipReconnect) {
+        this.reconnect();
+      }
+    }
+    /**
+     * Attempt a reconnection.
+     *
+     * @private
+     */
+
+  }, {
+    key: "reconnect",
+    value: function reconnect() {
+      var _this3 = this;
+
+      if (this._reconnecting || this.skipReconnect) return this;
+      var self = this;
+
+      if (this.backoff.attempts >= this._reconnectionAttempts) {
+        debug("reconnect failed");
+        this.backoff.reset();
+        this.emitReserved("reconnect_failed");
+        this._reconnecting = false;
+      } else {
+        var delay = this.backoff.duration();
+        debug("will wait %dms before reconnect attempt", delay);
+        this._reconnecting = true;
+        var timer = setTimeout(function () {
+          if (self.skipReconnect) return;
+          debug("attempting reconnect");
+
+          _this3.emitReserved("reconnect_attempt", self.backoff.attempts); // check again for the case socket closed in above events
+
+
+          if (self.skipReconnect) return;
+          self.open(function (err) {
+            if (err) {
+              debug("reconnect attempt error");
+              self._reconnecting = false;
+              self.reconnect();
+
+              _this3.emitReserved("reconnect_error", err);
+            } else {
+              debug("reconnect success");
+              self.onreconnect();
+            }
+          });
+        }, delay);
+
+        if (this.opts.autoUnref) {
+          timer.unref();
+        }
+
+        this.subs.push(function subDestroy() {
+          clearTimeout(timer);
+        });
+      }
+    }
+    /**
+     * Called upon successful reconnect.
+     *
+     * @private
+     */
+
+  }, {
+    key: "onreconnect",
+    value: function onreconnect() {
+      var attempt = this.backoff.attempts;
+      this._reconnecting = false;
+      this.backoff.reset();
+      this.emitReserved("reconnect", attempt);
+    }
+  }]);
+
+  return Manager;
+}(typed_events_1.StrictEventEmitter);
+
+exports.Manager = Manager;
+
+/***/ }),
+
+/***/ "./build/on.js":
+/*!*********************!*\
+  !*** ./build/on.js ***!
+  \*********************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.on = void 0;
+
+function on(obj, ev, fn) {
+  obj.on(ev, fn);
+  return function subDestroy() {
+    obj.off(ev, fn);
+  };
+}
+
+exports.on = on;
+
+/***/ }),
+
+/***/ "./build/socket.js":
+/*!*************************!*\
+  !*** ./build/socket.js ***!
+  \*************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Socket = void 0;
+
+var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
+
+var on_1 = __webpack_require__(/*! ./on */ "./build/on.js");
+
+var typed_events_1 = __webpack_require__(/*! ./typed-events */ "./build/typed-events.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:socket");
+/**
+ * Internal events.
+ * These events can't be emitted by the user.
+ */
+
+
+var 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
+});
+
+var Socket = /*#__PURE__*/function (_typed_events_1$Stric) {
+  _inherits(Socket, _typed_events_1$Stric);
+
+  var _super = _createSuper(Socket);
+
+  /**
+   * `Socket` constructor.
+   *
+   * @public
+   */
+  function Socket(io, nsp, opts) {
+    var _this;
+
+    _classCallCheck(this, Socket);
+
+    _this = _super.call(this);
+    _this.receiveBuffer = [];
+    _this.sendBuffer = [];
+    _this.ids = 0;
+    _this.acks = {};
+    _this.flags = {};
+    _this.io = io;
+    _this.nsp = nsp;
+    _this.ids = 0;
+    _this.acks = {};
+    _this.receiveBuffer = [];
+    _this.sendBuffer = [];
+    _this.connected = false;
+    _this.disconnected = true;
+    _this.flags = {};
+
+    if (opts && opts.auth) {
+      _this.auth = opts.auth;
+    }
+
+    if (_this.io._autoConnect) _this.open();
+    return _this;
+  }
+  /**
+   * Subscribe to open, close and packet events
+   *
+   * @private
+   */
+
+
+  _createClass(Socket, [{
+    key: "subEvents",
+    value: function subEvents() {
+      if (this.subs) return;
+      var io = this.io;
+      this.subs = [on_1.on(io, "open", this.onopen.bind(this)), on_1.on(io, "packet", this.onpacket.bind(this)), on_1.on(io, "error", this.onerror.bind(this)), on_1.on(io, "close", this.onclose.bind(this))];
+    }
+    /**
+     * Whether the Socket will try to reconnect when its Manager connects or reconnects
+     */
+
+  }, {
+    key: "connect",
+
+    /**
+     * "Opens" the socket.
+     *
+     * @public
+     */
+    value: function 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 connect()
+     */
+
+  }, {
+    key: "open",
+    value: function open() {
+      return this.connect();
+    }
+    /**
+     * Sends a `message` event.
+     *
+     * @return self
+     * @public
+     */
+
+  }, {
+    key: "send",
+    value: function send() {
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      args.unshift("message");
+      this.emit.apply(this, args);
+      return this;
+    }
+    /**
+     * Override `emit`.
+     * If the event is in `events`, it's emitted normally.
+     *
+     * @return self
+     * @public
+     */
+
+  }, {
+    key: "emit",
+    value: function emit(ev) {
+      if (RESERVED_EVENTS.hasOwnProperty(ev)) {
+        throw new Error('"' + ev + '" is a reserved event name');
+      }
+
+      for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+        args[_key2 - 1] = arguments[_key2];
+      }
+
+      args.unshift(ev);
+      var 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]) {
+        debug("emitting packet with ack id %d", this.ids);
+        this.acks[this.ids] = args.pop();
+        packet.id = this.ids++;
+      }
+
+      var isTransportWritable = this.io.engine && this.io.engine.transport && this.io.engine.transport.writable;
+      var discardPacket = this.flags["volatile"] && (!isTransportWritable || !this.connected);
+
+      if (discardPacket) {
+        debug("discard packet as the transport is not currently writable");
+      } else if (this.connected) {
+        this.packet(packet);
+      } else {
+        this.sendBuffer.push(packet);
+      }
+
+      this.flags = {};
+      return this;
+    }
+    /**
+     * Sends a packet.
+     *
+     * @param packet
+     * @private
+     */
+
+  }, {
+    key: "packet",
+    value: function packet(_packet) {
+      _packet.nsp = this.nsp;
+
+      this.io._packet(_packet);
+    }
+    /**
+     * Called upon engine `open`.
+     *
+     * @private
+     */
+
+  }, {
+    key: "onopen",
+    value: function onopen() {
+      var _this2 = this;
+
+      debug("transport is open - connecting");
+
+      if (typeof this.auth == "function") {
+        this.auth(function (data) {
+          _this2.packet({
+            type: socket_io_parser_1.PacketType.CONNECT,
+            data: data
+          });
+        });
+      } else {
+        this.packet({
+          type: socket_io_parser_1.PacketType.CONNECT,
+          data: this.auth
+        });
+      }
+    }
+    /**
+     * Called upon engine or manager `error`.
+     *
+     * @param err
+     * @private
+     */
+
+  }, {
+    key: "onerror",
+    value: function onerror(err) {
+      if (!this.connected) {
+        this.emitReserved("connect_error", err);
+      }
+    }
+    /**
+     * Called upon engine `close`.
+     *
+     * @param reason
+     * @private
+     */
+
+  }, {
+    key: "onclose",
+    value: function onclose(reason) {
+      debug("close (%s)", reason);
+      this.connected = false;
+      this.disconnected = true;
+      delete this.id;
+      this.emitReserved("disconnect", reason);
+    }
+    /**
+     * Called with socket packet.
+     *
+     * @param packet
+     * @private
+     */
+
+  }, {
+    key: "onpacket",
+    value: function onpacket(packet) {
+      var sameNamespace = packet.nsp === this.nsp;
+      if (!sameNamespace) return;
+
+      switch (packet.type) {
+        case socket_io_parser_1.PacketType.CONNECT:
+          if (packet.data && packet.data.sid) {
+            var id = packet.data.sid;
+            this.onconnect(id);
+          } 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:
+          this.onevent(packet);
+          break;
+
+        case socket_io_parser_1.PacketType.BINARY_EVENT:
+          this.onevent(packet);
+          break;
+
+        case socket_io_parser_1.PacketType.ACK:
+          this.onack(packet);
+          break;
+
+        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:
+          var 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
+     */
+
+  }, {
+    key: "onevent",
+    value: function onevent(packet) {
+      var 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));
+      }
+    }
+  }, {
+    key: "emitEvent",
+    value: function emitEvent(args) {
+      if (this._anyListeners && this._anyListeners.length) {
+        var listeners = this._anyListeners.slice();
+
+        var _iterator = _createForOfIteratorHelper(listeners),
+            _step;
+
+        try {
+          for (_iterator.s(); !(_step = _iterator.n()).done;) {
+            var listener = _step.value;
+            listener.apply(this, args);
+          }
+        } catch (err) {
+          _iterator.e(err);
+        } finally {
+          _iterator.f();
+        }
+      }
+
+      _get(_getPrototypeOf(Socket.prototype), "emit", this).apply(this, args);
+    }
+    /**
+     * Produces an ack callback to emit with an event.
+     *
+     * @private
+     */
+
+  }, {
+    key: "ack",
+    value: function ack(id) {
+      var self = this;
+      var sent = false;
+      return function () {
+        // prevent double callbacks
+        if (sent) return;
+        sent = true;
+
+        for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+          args[_key3] = arguments[_key3];
+        }
+
+        debug("sending ack %j", args);
+        self.packet({
+          type: socket_io_parser_1.PacketType.ACK,
+          id: id,
+          data: args
+        });
+      };
+    }
+    /**
+     * Called upon a server acknowlegement.
+     *
+     * @param packet
+     * @private
+     */
+
+  }, {
+    key: "onack",
+    value: function onack(packet) {
+      var ack = this.acks[packet.id];
+
+      if ("function" === typeof ack) {
+        debug("calling ack %s with %j", packet.id, packet.data);
+        ack.apply(this, packet.data);
+        delete this.acks[packet.id];
+      } else {
+        debug("bad ack %s", packet.id);
+      }
+    }
+    /**
+     * Called upon server connect.
+     *
+     * @private
+     */
+
+  }, {
+    key: "onconnect",
+    value: function onconnect(id) {
+      debug("socket connected with id %s", id);
+      this.id = id;
+      this.connected = true;
+      this.disconnected = false;
+      this.emitReserved("connect");
+      this.emitBuffered();
+    }
+    /**
+     * Emit buffered events (received and emitted).
+     *
+     * @private
+     */
+
+  }, {
+    key: "emitBuffered",
+    value: function emitBuffered() {
+      var _this3 = this;
+
+      this.receiveBuffer.forEach(function (args) {
+        return _this3.emitEvent(args);
+      });
+      this.receiveBuffer = [];
+      this.sendBuffer.forEach(function (packet) {
+        return _this3.packet(packet);
+      });
+      this.sendBuffer = [];
+    }
+    /**
+     * Called upon server disconnect.
+     *
+     * @private
+     */
+
+  }, {
+    key: "ondisconnect",
+    value: function 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
+     */
+
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      if (this.subs) {
+        // clean subscriptions to avoid reconnections
+        this.subs.forEach(function (subDestroy) {
+          return subDestroy();
+        });
+        this.subs = undefined;
+      }
+
+      this.io["_destroy"](this);
+    }
+    /**
+     * Disconnects the socket manually.
+     *
+     * @return self
+     * @public
+     */
+
+  }, {
+    key: "disconnect",
+    value: function 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 disconnect()
+     *
+     * @return self
+     * @public
+     */
+
+  }, {
+    key: "close",
+    value: function close() {
+      return this.disconnect();
+    }
+    /**
+     * Sets the compress flag.
+     *
+     * @param compress - if `true`, compresses the sending data
+     * @return self
+     * @public
+     */
+
+  }, {
+    key: "compress",
+    value: function 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.
+     *
+     * @returns self
+     * @public
+     */
+
+  }, {
+    key: "onAny",
+
+    /**
+     * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
+     * callback.
+     *
+     * @param listener
+     * @public
+     */
+    value: function 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.
+     *
+     * @param listener
+     * @public
+     */
+
+  }, {
+    key: "prependAny",
+    value: function prependAny(listener) {
+      this._anyListeners = this._anyListeners || [];
+
+      this._anyListeners.unshift(listener);
+
+      return this;
+    }
+    /**
+     * Removes the listener that will be fired when any event is emitted.
+     *
+     * @param listener
+     * @public
+     */
+
+  }, {
+    key: "offAny",
+    value: function offAny(listener) {
+      if (!this._anyListeners) {
+        return this;
+      }
+
+      if (listener) {
+        var listeners = this._anyListeners;
+
+        for (var 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.
+     *
+     * @public
+     */
+
+  }, {
+    key: "listenersAny",
+    value: function listenersAny() {
+      return this._anyListeners || [];
+    }
+  }, {
+    key: "active",
+    get: function get() {
+      return !!this.subs;
+    }
+  }, {
+    key: "volatile",
+    get: function get() {
+      this.flags["volatile"] = true;
+      return this;
+    }
+  }]);
+
+  return Socket;
+}(typed_events_1.StrictEventEmitter);
+
+exports.Socket = Socket;
+
+/***/ }),
+
+/***/ "./build/typed-events.js":
+/*!*******************************!*\
+  !*** ./build/typed-events.js ***!
+  \*******************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.StrictEventEmitter = void 0;
+
+var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
+/**
+ * Strictly typed version of an `EventEmitter`. A `TypedEventEmitter` takes type
+ * parameters for mappings of event names to event data types, and strictly
+ * types method calls to the `EventEmitter` according to these event maps.
+ *
+ * @typeParam ListenEvents - `EventsMap` of user-defined events that can be
+ * listened to with `on` or `once`
+ * @typeParam EmitEvents - `EventsMap` of user-defined events that can be
+ * emitted with `emit`
+ * @typeParam ReservedEvents - `EventsMap` of reserved events, that can be
+ * emitted by socket.io with `emitReserved`, and can be listened to with
+ * `listen`.
+ */
+
+
+var StrictEventEmitter = /*#__PURE__*/function (_Emitter) {
+  _inherits(StrictEventEmitter, _Emitter);
+
+  var _super = _createSuper(StrictEventEmitter);
+
+  function StrictEventEmitter() {
+    _classCallCheck(this, StrictEventEmitter);
+
+    return _super.apply(this, arguments);
+  }
+
+  _createClass(StrictEventEmitter, [{
+    key: "on",
+
+    /**
+     * Adds the `listener` function as an event listener for `ev`.
+     *
+     * @param ev Name of the event
+     * @param listener Callback function
+     */
+    value: function on(ev, listener) {
+      _get(_getPrototypeOf(StrictEventEmitter.prototype), "on", this).call(this, ev, listener);
+
+      return this;
+    }
+    /**
+     * Adds a one-time `listener` function as an event listener for `ev`.
+     *
+     * @param ev Name of the event
+     * @param listener Callback function
+     */
+
+  }, {
+    key: "once",
+    value: function once(ev, listener) {
+      _get(_getPrototypeOf(StrictEventEmitter.prototype), "once", this).call(this, ev, listener);
+
+      return this;
+    }
+    /**
+     * Emits an event.
+     *
+     * @param ev Name of the event
+     * @param args Values to send to listeners of this event
+     */
+
+  }, {
+    key: "emit",
+    value: function emit(ev) {
+      var _get2;
+
+      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+        args[_key - 1] = arguments[_key];
+      }
+
+      (_get2 = _get(_getPrototypeOf(StrictEventEmitter.prototype), "emit", this)).call.apply(_get2, [this, ev].concat(args));
+
+      return this;
+    }
+    /**
+     * Emits a reserved event.
+     *
+     * This method is `protected`, so that only a class extending
+     * `StrictEventEmitter` can emit its own reserved events.
+     *
+     * @param ev Reserved event name
+     * @param args Arguments to emit along with the event
+     */
+
+  }, {
+    key: "emitReserved",
+    value: function emitReserved(ev) {
+      var _get3;
+
+      for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+        args[_key2 - 1] = arguments[_key2];
+      }
+
+      (_get3 = _get(_getPrototypeOf(StrictEventEmitter.prototype), "emit", this)).call.apply(_get3, [this, ev].concat(args));
+
+      return this;
+    }
+    /**
+     * Returns the listeners listening to an event.
+     *
+     * @param event Event name
+     * @returns Array of listeners subscribed to `event`
+     */
+
+  }, {
+    key: "listeners",
+    value: function listeners(event) {
+      return _get(_getPrototypeOf(StrictEventEmitter.prototype), "listeners", this).call(this, event);
+    }
+  }]);
+
+  return StrictEventEmitter;
+}(Emitter);
+
+exports.StrictEventEmitter = StrictEventEmitter;
+
+/***/ }),
+
+/***/ "./build/url.js":
+/*!**********************!*\
+  !*** ./build/url.js ***!
+  \**********************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.url = void 0;
+
+var parseuri = __webpack_require__(/*! parseuri */ "./node_modules/parseuri/index.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:url");
+/**
+ * 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) {
+  var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
+  var loc = arguments.length > 2 ? arguments[2] : undefined;
+  var 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 = parseuri(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 || "/";
+  var ipv6 = obj.host.indexOf(":") !== -1;
+  var 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;
+}
+
+exports.url = url;
+
+/***/ }),
+
+/***/ "./node_modules/backo2/index.js":
+/*!**************************************!*\
+  !*** ./node_modules/backo2/index.js ***!
+  \**************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+/**
+ * Expose `Backoff`.
+ */
+module.exports = Backoff;
+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+
+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/component-emitter/index.js":
+/*!*************************************************!*\
+  !*** ./node_modules/component-emitter/index.js ***!
+  \*************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+/**
+ * Expose `Emitter`.
+ */
+if (true) {
+  module.exports = Emitter;
+}
+/**
+ * Initialize a new `Emitter`.
+ *
+ * @api public
+ */
+
+
+function Emitter(obj) {
+  if (obj) return mixin(obj);
+}
+
+;
+/**
+ * Mixin the emitter properties.
+ *
+ * @param {Object} obj
+ * @return {Object}
+ * @api private
+ */
+
+function mixin(obj) {
+  for (var key in Emitter.prototype) {
+    obj[key] = Emitter.prototype[key];
+  }
+
+  return obj;
+}
+/**
+ * Listen on the given `event` with `fn`.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+
+Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
+  this._callbacks = this._callbacks || {};
+  (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn);
+  return this;
+};
+/**
+ * Adds an `event` listener that will be invoked a single
+ * time then automatically removed.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+
+Emitter.prototype.once = function (event, fn) {
+  function on() {
+    this.off(event, on);
+    fn.apply(this, arguments);
+  }
+
+  on.fn = fn;
+  this.on(event, on);
+  return this;
+};
+/**
+ * Remove the given callback for `event` or all
+ * registered callbacks.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+
+Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
+  this._callbacks = this._callbacks || {}; // all
+
+  if (0 == arguments.length) {
+    this._callbacks = {};
+    return this;
+  } // specific event
+
+
+  var callbacks = this._callbacks['$' + event];
+  if (!callbacks) return this; // remove all handlers
+
+  if (1 == arguments.length) {
+    delete this._callbacks['$' + event];
+    return this;
+  } // remove specific handler
+
+
+  var cb;
+
+  for (var i = 0; i < callbacks.length; i++) {
+    cb = callbacks[i];
+
+    if (cb === fn || cb.fn === fn) {
+      callbacks.splice(i, 1);
+      break;
+    }
+  } // Remove event specific arrays for event types that no
+  // one is subscribed for to avoid memory leak.
+
+
+  if (callbacks.length === 0) {
+    delete this._callbacks['$' + event];
+  }
+
+  return this;
+};
+/**
+ * Emit `event` with the given args.
+ *
+ * @param {String} event
+ * @param {Mixed} ...
+ * @return {Emitter}
+ */
+
+
+Emitter.prototype.emit = function (event) {
+  this._callbacks = this._callbacks || {};
+  var args = new Array(arguments.length - 1),
+      callbacks = this._callbacks['$' + event];
+
+  for (var i = 1; i < arguments.length; i++) {
+    args[i - 1] = arguments[i];
+  }
+
+  if (callbacks) {
+    callbacks = callbacks.slice(0);
+
+    for (var i = 0, len = callbacks.length; i < len; ++i) {
+      callbacks[i].apply(this, args);
+    }
+  }
+
+  return this;
+};
+/**
+ * Return array of callbacks for `event`.
+ *
+ * @param {String} event
+ * @return {Array}
+ * @api public
+ */
+
+
+Emitter.prototype.listeners = function (event) {
+  this._callbacks = this._callbacks || {};
+  return this._callbacks['$' + event] || [];
+};
+/**
+ * Check if this emitter has `event` handlers.
+ *
+ * @param {String} event
+ * @return {Boolean}
+ * @api public
+ */
+
+
+Emitter.prototype.hasListeners = function (event) {
+  return !!this.listeners(event).length;
+};
+
+/***/ }),
+
+/***/ "./node_modules/debug/src/browser.js":
+/*!*******************************************!*\
+  !*** ./node_modules/debug/src/browser.js ***!
+  \*******************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+/* eslint-env browser */
+
+/**
+ * This is the web browser implementation of `debug()`.
+ */
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = localstorage();
+
+exports.destroy = function () {
+  var warned = false;
+  return function () {
+    if (!warned) {
+      warned = true;
+      console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+    }
+  };
+}();
+/**
+ * Colors.
+ */
+
+
+exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+// eslint-disable-next-line complexity
+
+function useColors() {
+  // NB: In an Electron preload script, document will be defined but not fully
+  // initialized. Since we know we're in Chrome, we'll just detect this case
+  // explicitly
+  if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
+    return true;
+  } // Internet Explorer and Edge do not support colors.
+
+
+  if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
+    return false;
+  } // Is webkit? http://stackoverflow.com/a/16459606/376773
+  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+
+
+  return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773
+  typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?
+  // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+  typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker
+  typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
+}
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+
+function formatArgs(args) {
+  args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
+
+  if (!this.useColors) {
+    return;
+  }
+
+  var c = 'color: ' + this.color;
+  args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+
+  var index = 0;
+  var lastC = 0;
+  args[0].replace(/%[a-zA-Z%]/g, function (match) {
+    if (match === '%%') {
+      return;
+    }
+
+    index++;
+
+    if (match === '%c') {
+      // We only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
+  args.splice(lastC, 0, c);
+}
+/**
+ * Invokes `console.debug()` when available.
+ * No-op when `console.debug` is not a "function".
+ * If `console.debug` is not available, falls back
+ * to `console.log`.
+ *
+ * @api public
+ */
+
+
+exports.log = console.debug || console.log || function () {};
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+
+function save(namespaces) {
+  try {
+    if (namespaces) {
+      exports.storage.setItem('debug', namespaces);
+    } else {
+      exports.storage.removeItem('debug');
+    }
+  } catch (error) {// Swallow
+    // XXX (@Qix-) should we be logging these?
+  }
+}
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+
+function load() {
+  var r;
+
+  try {
+    r = exports.storage.getItem('debug');
+  } catch (error) {// Swallow
+    // XXX (@Qix-) should we be logging these?
+  } // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+
+
+  if (!r && typeof process !== 'undefined' && 'env' in process) {
+    r = process.env.DEBUG;
+  }
+
+  return r;
+}
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+
+function localstorage() {
+  try {
+    // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
+    // The Browser also has localStorage in the global context.
+    return localStorage;
+  } catch (error) {// Swallow
+    // XXX (@Qix-) should we be logging these?
+  }
+}
+
+module.exports = __webpack_require__(/*! ./common */ "./node_modules/debug/src/common.js")(exports);
+var formatters = module.exports.formatters;
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+formatters.j = function (v) {
+  try {
+    return JSON.stringify(v);
+  } catch (error) {
+    return '[UnexpectedJSONParseError]: ' + error.message;
+  }
+};
+
+/***/ }),
+
+/***/ "./node_modules/debug/src/common.js":
+/*!******************************************!*\
+  !*** ./node_modules/debug/src/common.js ***!
+  \******************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ */
+function setup(env) {
+  createDebug.debug = createDebug;
+  createDebug["default"] = createDebug;
+  createDebug.coerce = coerce;
+  createDebug.disable = disable;
+  createDebug.enable = enable;
+  createDebug.enabled = enabled;
+  createDebug.humanize = __webpack_require__(/*! ms */ "./node_modules/ms/index.js");
+  createDebug.destroy = destroy;
+  Object.keys(env).forEach(function (key) {
+    createDebug[key] = env[key];
+  });
+  /**
+  * The currently active debug mode names, and names to skip.
+  */
+
+  createDebug.names = [];
+  createDebug.skips = [];
+  /**
+  * Map of special "%n" handling functions, for the debug "format" argument.
+  *
+  * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+  */
+
+  createDebug.formatters = {};
+  /**
+  * Selects a color for a debug namespace
+  * @param {String} namespace The namespace string for the for the debug instance to be colored
+  * @return {Number|String} An ANSI color code for the given namespace
+  * @api private
+  */
+
+  function selectColor(namespace) {
+    var hash = 0;
+
+    for (var i = 0; i < namespace.length; i++) {
+      hash = (hash << 5) - hash + namespace.charCodeAt(i);
+      hash |= 0; // Convert to 32bit integer
+    }
+
+    return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
+  }
+
+  createDebug.selectColor = selectColor;
+  /**
+  * Create a debugger with the given `namespace`.
+  *
+  * @param {String} namespace
+  * @return {Function}
+  * @api public
+  */
+
+  function createDebug(namespace) {
+    var prevTime;
+    var enableOverride = null;
+
+    function debug() {
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      // Disabled?
+      if (!debug.enabled) {
+        return;
+      }
+
+      var self = debug; // Set `diff` timestamp
+
+      var curr = Number(new Date());
+      var ms = curr - (prevTime || curr);
+      self.diff = ms;
+      self.prev = prevTime;
+      self.curr = curr;
+      prevTime = curr;
+      args[0] = createDebug.coerce(args[0]);
+
+      if (typeof args[0] !== 'string') {
+        // Anything else let's inspect with %O
+        args.unshift('%O');
+      } // Apply any `formatters` transformations
+
+
+      var index = 0;
+      args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {
+        // If we encounter an escaped % then don't increase the array index
+        if (match === '%%') {
+          return '%';
+        }
+
+        index++;
+        var formatter = createDebug.formatters[format];
+
+        if (typeof formatter === 'function') {
+          var val = args[index];
+          match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`
+
+          args.splice(index, 1);
+          index--;
+        }
+
+        return match;
+      }); // Apply env-specific formatting (colors, etc.)
+
+      createDebug.formatArgs.call(self, args);
+      var logFn = self.log || createDebug.log;
+      logFn.apply(self, args);
+    }
+
+    debug.namespace = namespace;
+    debug.useColors = createDebug.useColors();
+    debug.color = createDebug.selectColor(namespace);
+    debug.extend = extend;
+    debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
+
+    Object.defineProperty(debug, 'enabled', {
+      enumerable: true,
+      configurable: false,
+      get: function get() {
+        return enableOverride === null ? createDebug.enabled(namespace) : enableOverride;
+      },
+      set: function set(v) {
+        enableOverride = v;
+      }
+    }); // Env-specific initialization logic for debug instances
+
+    if (typeof createDebug.init === 'function') {
+      createDebug.init(debug);
+    }
+
+    return debug;
+  }
+
+  function extend(namespace, delimiter) {
+    var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
+    newDebug.log = this.log;
+    return newDebug;
+  }
+  /**
+  * Enables a debug mode by namespaces. This can include modes
+  * separated by a colon and wildcards.
+  *
+  * @param {String} namespaces
+  * @api public
+  */
+
+
+  function enable(namespaces) {
+    createDebug.save(namespaces);
+    createDebug.names = [];
+    createDebug.skips = [];
+    var i;
+    var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+    var len = split.length;
+
+    for (i = 0; i < len; i++) {
+      if (!split[i]) {
+        // ignore empty strings
+        continue;
+      }
+
+      namespaces = split[i].replace(/\*/g, '.*?');
+
+      if (namespaces[0] === '-') {
+        createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+      } else {
+        createDebug.names.push(new RegExp('^' + namespaces + '$'));
+      }
+    }
+  }
+  /**
+  * Disable debug output.
+  *
+  * @return {String} namespaces
+  * @api public
+  */
+
+
+  function disable() {
+    var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) {
+      return '-' + namespace;
+    }))).join(',');
+    createDebug.enable('');
+    return namespaces;
+  }
+  /**
+  * Returns true if the given mode name is enabled, false otherwise.
+  *
+  * @param {String} name
+  * @return {Boolean}
+  * @api public
+  */
+
+
+  function enabled(name) {
+    if (name[name.length - 1] === '*') {
+      return true;
+    }
+
+    var i;
+    var len;
+
+    for (i = 0, len = createDebug.skips.length; i < len; i++) {
+      if (createDebug.skips[i].test(name)) {
+        return false;
+      }
+    }
+
+    for (i = 0, len = createDebug.names.length; i < len; i++) {
+      if (createDebug.names[i].test(name)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+  /**
+  * Convert regexp to namespace
+  *
+  * @param {RegExp} regxep
+  * @return {String} namespace
+  * @api private
+  */
+
+
+  function toNamespace(regexp) {
+    return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
+  }
+  /**
+  * Coerce `val`.
+  *
+  * @param {Mixed} val
+  * @return {Mixed}
+  * @api private
+  */
+
+
+  function coerce(val) {
+    if (val instanceof Error) {
+      return val.stack || val.message;
+    }
+
+    return val;
+  }
+  /**
+  * XXX DO NOT USE. This is a temporary stub function.
+  * XXX It WILL be removed in the next major release.
+  */
+
+
+  function destroy() {
+    console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+  }
+
+  createDebug.enable(createDebug.load());
+  return createDebug;
+}
+
+module.exports = setup;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/globalThis.browser.js":
+/*!*****************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/globalThis.browser.js ***!
+  \*****************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+module.exports = function () {
+  if (typeof self !== "undefined") {
+    return self;
+  } else if (typeof window !== "undefined") {
+    return window;
+  } else {
+    return Function("return this")();
+  }
+}();
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/index.js":
+/*!****************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/index.js ***!
+  \****************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+var Socket = __webpack_require__(/*! ./socket */ "./node_modules/engine.io-client/lib/socket.js");
+
+module.exports = function (uri, opts) {
+  return new Socket(uri, opts);
+};
+/**
+ * Expose deps for legacy compatibility
+ * and standalone browser access.
+ */
+
+
+module.exports.Socket = Socket;
+module.exports.protocol = Socket.protocol; // this is an int
+
+module.exports.Transport = __webpack_require__(/*! ./transport */ "./node_modules/engine.io-client/lib/transport.js");
+module.exports.transports = __webpack_require__(/*! ./transports/index */ "./node_modules/engine.io-client/lib/transports/index.js");
+module.exports.parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/socket.js":
+/*!*****************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/socket.js ***!
+  \*****************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var transports = __webpack_require__(/*! ./transports/index */ "./node_modules/engine.io-client/lib/transports/index.js");
+
+var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:socket");
+
+var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
+
+var parseuri = __webpack_require__(/*! parseuri */ "./node_modules/parseuri/index.js");
+
+var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js");
+
+var Socket = /*#__PURE__*/function (_Emitter) {
+  _inherits(Socket, _Emitter);
+
+  var _super = _createSuper(Socket);
+
+  /**
+   * Socket constructor.
+   *
+   * @param {String|Object} uri or options
+   * @param {Object} options
+   * @api public
+   */
+  function Socket(uri) {
+    var _this;
+
+    var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    _classCallCheck(this, Socket);
+
+    _this = _super.call(this);
+
+    if (uri && "object" === _typeof(uri)) {
+      opts = uri;
+      uri = null;
+    }
+
+    if (uri) {
+      uri = parseuri(uri);
+      opts.hostname = uri.host;
+      opts.secure = uri.protocol === "https" || uri.protocol === "wss";
+      opts.port = uri.port;
+      if (uri.query) opts.query = uri.query;
+    } else if (opts.host) {
+      opts.hostname = parseuri(opts.host).host;
+    }
+
+    _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol;
+
+    if (opts.hostname && !opts.port) {
+      // if no port is specified manually, use the protocol default
+      opts.port = _this.secure ? "443" : "80";
+    }
+
+    _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost");
+    _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? 443 : 80);
+    _this.transports = opts.transports || ["polling", "websocket"];
+    _this.readyState = "";
+    _this.writeBuffer = [];
+    _this.prevBufferLen = 0;
+    _this.opts = _extends({
+      path: "/engine.io",
+      agent: false,
+      withCredentials: false,
+      upgrade: true,
+      jsonp: true,
+      timestampParam: "t",
+      rememberUpgrade: false,
+      rejectUnauthorized: true,
+      perMessageDeflate: {
+        threshold: 1024
+      },
+      transportOptions: {}
+    }, opts);
+    _this.opts.path = _this.opts.path.replace(/\/$/, "") + "/";
+
+    if (typeof _this.opts.query === "string") {
+      _this.opts.query = parseqs.decode(_this.opts.query);
+    } // set on handshake
+
+
+    _this.id = null;
+    _this.upgrades = null;
+    _this.pingInterval = null;
+    _this.pingTimeout = null; // set on heartbeat
+
+    _this.pingTimeoutTimer = null;
+
+    if (typeof addEventListener === "function") {
+      addEventListener("beforeunload", function () {
+        if (_this.transport) {
+          // silently close the transport
+          _this.transport.removeAllListeners();
+
+          _this.transport.close();
+        }
+      }, false);
+
+      if (_this.hostname !== "localhost") {
+        _this.offlineEventListener = function () {
+          _this.onClose("transport close");
+        };
+
+        addEventListener("offline", _this.offlineEventListener, false);
+      }
+    }
+
+    _this.open();
+
+    return _this;
+  }
+  /**
+   * Creates transport of the given type.
+   *
+   * @param {String} transport name
+   * @return {Transport}
+   * @api private
+   */
+
+
+  _createClass(Socket, [{
+    key: "createTransport",
+    value: function createTransport(name) {
+      debug('creating transport "%s"', name);
+      var query = clone(this.opts.query); // append engine.io protocol identifier
+
+      query.EIO = parser.protocol; // transport name
+
+      query.transport = name; // session id if we already have one
+
+      if (this.id) query.sid = this.id;
+
+      var opts = _extends({}, this.opts.transportOptions[name], this.opts, {
+        query: query,
+        socket: this,
+        hostname: this.hostname,
+        secure: this.secure,
+        port: this.port
+      });
+
+      debug("options: %j", opts);
+      return new transports[name](opts);
+    }
+    /**
+     * Initializes transport to use and starts probe.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "open",
+    value: function open() {
+      var transport;
+
+      if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) {
+        transport = "websocket";
+      } else if (0 === this.transports.length) {
+        // Emit error on next tick so it can be listened to
+        var self = this;
+        setTimeout(function () {
+          self.emit("error", "No transports available");
+        }, 0);
+        return;
+      } else {
+        transport = this.transports[0];
+      }
+
+      this.readyState = "opening"; // Retry with the next transport if the transport is disabled (jsonp: false)
+
+      try {
+        transport = this.createTransport(transport);
+      } catch (e) {
+        debug("error while creating transport: %s", e);
+        this.transports.shift();
+        this.open();
+        return;
+      }
+
+      transport.open();
+      this.setTransport(transport);
+    }
+    /**
+     * Sets the current transport. Disables the existing one (if any).
+     *
+     * @api private
+     */
+
+  }, {
+    key: "setTransport",
+    value: function setTransport(transport) {
+      debug("setting transport %s", transport.name);
+      var self = this;
+
+      if (this.transport) {
+        debug("clearing existing transport %s", this.transport.name);
+        this.transport.removeAllListeners();
+      } // set up transport
+
+
+      this.transport = transport; // set up transport listeners
+
+      transport.on("drain", function () {
+        self.onDrain();
+      }).on("packet", function (packet) {
+        self.onPacket(packet);
+      }).on("error", function (e) {
+        self.onError(e);
+      }).on("close", function () {
+        self.onClose("transport close");
+      });
+    }
+    /**
+     * Probes a transport.
+     *
+     * @param {String} transport name
+     * @api private
+     */
+
+  }, {
+    key: "probe",
+    value: function probe(name) {
+      debug('probing transport "%s"', name);
+      var transport = this.createTransport(name, {
+        probe: 1
+      });
+      var failed = false;
+      var self = this;
+      Socket.priorWebsocketSuccess = false;
+
+      function onTransportOpen() {
+        if (self.onlyBinaryUpgrades) {
+          var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
+          failed = failed || upgradeLosesBinary;
+        }
+
+        if (failed) return;
+        debug('probe transport "%s" opened', name);
+        transport.send([{
+          type: "ping",
+          data: "probe"
+        }]);
+        transport.once("packet", function (msg) {
+          if (failed) return;
+
+          if ("pong" === msg.type && "probe" === msg.data) {
+            debug('probe transport "%s" pong', name);
+            self.upgrading = true;
+            self.emit("upgrading", transport);
+            if (!transport) return;
+            Socket.priorWebsocketSuccess = "websocket" === transport.name;
+            debug('pausing current transport "%s"', self.transport.name);
+            self.transport.pause(function () {
+              if (failed) return;
+              if ("closed" === self.readyState) return;
+              debug("changing transport and sending upgrade packet");
+              cleanup();
+              self.setTransport(transport);
+              transport.send([{
+                type: "upgrade"
+              }]);
+              self.emit("upgrade", transport);
+              transport = null;
+              self.upgrading = false;
+              self.flush();
+            });
+          } else {
+            debug('probe transport "%s" failed', name);
+            var err = new Error("probe error");
+            err.transport = transport.name;
+            self.emit("upgradeError", err);
+          }
+        });
+      }
+
+      function freezeTransport() {
+        if (failed) return; // Any callback called by transport should be ignored since now
+
+        failed = true;
+        cleanup();
+        transport.close();
+        transport = null;
+      } // Handle any error that happens while probing
+
+
+      function onerror(err) {
+        var error = new Error("probe error: " + err);
+        error.transport = transport.name;
+        freezeTransport();
+        debug('probe transport "%s" failed because of error: %s', name, err);
+        self.emit("upgradeError", error);
+      }
+
+      function onTransportClose() {
+        onerror("transport closed");
+      } // When the socket is closed while we're probing
+
+
+      function onclose() {
+        onerror("socket closed");
+      } // When the socket is upgraded while we're probing
+
+
+      function onupgrade(to) {
+        if (transport && to.name !== transport.name) {
+          debug('"%s" works - aborting "%s"', to.name, transport.name);
+          freezeTransport();
+        }
+      } // Remove all listeners on the transport and on self
+
+
+      function cleanup() {
+        transport.removeListener("open", onTransportOpen);
+        transport.removeListener("error", onerror);
+        transport.removeListener("close", onTransportClose);
+        self.removeListener("close", onclose);
+        self.removeListener("upgrading", onupgrade);
+      }
+
+      transport.once("open", onTransportOpen);
+      transport.once("error", onerror);
+      transport.once("close", onTransportClose);
+      this.once("close", onclose);
+      this.once("upgrading", onupgrade);
+      transport.open();
+    }
+    /**
+     * Called when connection is deemed open.
+     *
+     * @api public
+     */
+
+  }, {
+    key: "onOpen",
+    value: function onOpen() {
+      debug("socket open");
+      this.readyState = "open";
+      Socket.priorWebsocketSuccess = "websocket" === this.transport.name;
+      this.emit("open");
+      this.flush(); // we check for `readyState` in case an `open`
+      // listener already closed the socket
+
+      if ("open" === this.readyState && this.opts.upgrade && this.transport.pause) {
+        debug("starting upgrade probes");
+        var i = 0;
+        var l = this.upgrades.length;
+
+        for (; i < l; i++) {
+          this.probe(this.upgrades[i]);
+        }
+      }
+    }
+    /**
+     * Handles a packet.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onPacket",
+    value: function onPacket(packet) {
+      if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
+        debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
+        this.emit("packet", packet); // Socket is live - any packet counts
+
+        this.emit("heartbeat");
+
+        switch (packet.type) {
+          case "open":
+            this.onHandshake(JSON.parse(packet.data));
+            break;
+
+          case "ping":
+            this.resetPingTimeout();
+            this.sendPacket("pong");
+            this.emit("pong");
+            break;
+
+          case "error":
+            var err = new Error("server error");
+            err.code = packet.data;
+            this.onError(err);
+            break;
+
+          case "message":
+            this.emit("data", packet.data);
+            this.emit("message", packet.data);
+            break;
+        }
+      } else {
+        debug('packet received with socket readyState "%s"', this.readyState);
+      }
+    }
+    /**
+     * Called upon handshake completion.
+     *
+     * @param {Object} handshake obj
+     * @api private
+     */
+
+  }, {
+    key: "onHandshake",
+    value: function onHandshake(data) {
+      this.emit("handshake", data);
+      this.id = data.sid;
+      this.transport.query.sid = data.sid;
+      this.upgrades = this.filterUpgrades(data.upgrades);
+      this.pingInterval = data.pingInterval;
+      this.pingTimeout = data.pingTimeout;
+      this.onOpen(); // In case open handler closes socket
+
+      if ("closed" === this.readyState) return;
+      this.resetPingTimeout();
+    }
+    /**
+     * Sets and resets ping timeout timer based on server pings.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "resetPingTimeout",
+    value: function resetPingTimeout() {
+      var _this2 = this;
+
+      clearTimeout(this.pingTimeoutTimer);
+      this.pingTimeoutTimer = setTimeout(function () {
+        _this2.onClose("ping timeout");
+      }, this.pingInterval + this.pingTimeout);
+
+      if (this.opts.autoUnref) {
+        this.pingTimeoutTimer.unref();
+      }
+    }
+    /**
+     * Called on `drain` event
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onDrain",
+    value: function onDrain() {
+      this.writeBuffer.splice(0, this.prevBufferLen); // setting prevBufferLen = 0 is very important
+      // for example, when upgrading, upgrade packet is sent over,
+      // and a nonzero prevBufferLen could cause problems on `drain`
+
+      this.prevBufferLen = 0;
+
+      if (0 === this.writeBuffer.length) {
+        this.emit("drain");
+      } else {
+        this.flush();
+      }
+    }
+    /**
+     * Flush write buffers.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "flush",
+    value: function flush() {
+      if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
+        debug("flushing %d packets in socket", this.writeBuffer.length);
+        this.transport.send(this.writeBuffer); // keep track of current length of writeBuffer
+        // splice writeBuffer and callbackBuffer on `drain`
+
+        this.prevBufferLen = this.writeBuffer.length;
+        this.emit("flush");
+      }
+    }
+    /**
+     * Sends a message.
+     *
+     * @param {String} message.
+     * @param {Function} callback function.
+     * @param {Object} options.
+     * @return {Socket} for chaining.
+     * @api public
+     */
+
+  }, {
+    key: "write",
+    value: function write(msg, options, fn) {
+      this.sendPacket("message", msg, options, fn);
+      return this;
+    }
+  }, {
+    key: "send",
+    value: function send(msg, options, fn) {
+      this.sendPacket("message", msg, options, fn);
+      return this;
+    }
+    /**
+     * Sends a packet.
+     *
+     * @param {String} packet type.
+     * @param {String} data.
+     * @param {Object} options.
+     * @param {Function} callback function.
+     * @api private
+     */
+
+  }, {
+    key: "sendPacket",
+    value: function sendPacket(type, data, options, fn) {
+      if ("function" === typeof data) {
+        fn = data;
+        data = undefined;
+      }
+
+      if ("function" === typeof options) {
+        fn = options;
+        options = null;
+      }
+
+      if ("closing" === this.readyState || "closed" === this.readyState) {
+        return;
+      }
+
+      options = options || {};
+      options.compress = false !== options.compress;
+      var packet = {
+        type: type,
+        data: data,
+        options: options
+      };
+      this.emit("packetCreate", packet);
+      this.writeBuffer.push(packet);
+      if (fn) this.once("flush", fn);
+      this.flush();
+    }
+    /**
+     * Closes the connection.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "close",
+    value: function close() {
+      var self = this;
+
+      if ("opening" === this.readyState || "open" === this.readyState) {
+        this.readyState = "closing";
+
+        if (this.writeBuffer.length) {
+          this.once("drain", function () {
+            if (this.upgrading) {
+              waitForUpgrade();
+            } else {
+              close();
+            }
+          });
+        } else if (this.upgrading) {
+          waitForUpgrade();
+        } else {
+          close();
+        }
+      }
+
+      function close() {
+        self.onClose("forced close");
+        debug("socket closing - telling transport to close");
+        self.transport.close();
+      }
+
+      function cleanupAndClose() {
+        self.removeListener("upgrade", cleanupAndClose);
+        self.removeListener("upgradeError", cleanupAndClose);
+        close();
+      }
+
+      function waitForUpgrade() {
+        // wait for upgrade to finish since we can't send packets while pausing a transport
+        self.once("upgrade", cleanupAndClose);
+        self.once("upgradeError", cleanupAndClose);
+      }
+
+      return this;
+    }
+    /**
+     * Called upon transport error
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onError",
+    value: function onError(err) {
+      debug("socket error %j", err);
+      Socket.priorWebsocketSuccess = false;
+      this.emit("error", err);
+      this.onClose("transport error", err);
+    }
+    /**
+     * Called upon transport close.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onClose",
+    value: function onClose(reason, desc) {
+      if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
+        debug('socket close with reason: "%s"', reason);
+        var self = this; // clear timers
+
+        clearTimeout(this.pingIntervalTimer);
+        clearTimeout(this.pingTimeoutTimer); // stop event from firing again for transport
+
+        this.transport.removeAllListeners("close"); // ensure transport won't stay open
+
+        this.transport.close(); // ignore further transport communication
+
+        this.transport.removeAllListeners();
+
+        if (typeof removeEventListener === "function") {
+          removeEventListener("offline", this.offlineEventListener, false);
+        } // set ready state
+
+
+        this.readyState = "closed"; // clear session id
+
+        this.id = null; // emit close event
+
+        this.emit("close", reason, desc); // clean buffers after, so users can still
+        // grab the buffers on `close` event
+
+        self.writeBuffer = [];
+        self.prevBufferLen = 0;
+      }
+    }
+    /**
+     * Filters upgrades, returning only those matching client transports.
+     *
+     * @param {Array} server upgrades
+     * @api private
+     *
+     */
+
+  }, {
+    key: "filterUpgrades",
+    value: function filterUpgrades(upgrades) {
+      var filteredUpgrades = [];
+      var i = 0;
+      var j = upgrades.length;
+
+      for (; i < j; i++) {
+        if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]);
+      }
+
+      return filteredUpgrades;
+    }
+  }]);
+
+  return Socket;
+}(Emitter);
+
+Socket.priorWebsocketSuccess = false;
+/**
+ * Protocol version.
+ *
+ * @api public
+ */
+
+Socket.protocol = parser.protocol; // this is an int
+
+function clone(obj) {
+  var o = {};
+
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      o[i] = obj[i];
+    }
+  }
+
+  return o;
+}
+
+module.exports = Socket;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/transport.js":
+/*!********************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/transport.js ***!
+  \********************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
+
+var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:transport");
+
+var Transport = /*#__PURE__*/function (_Emitter) {
+  _inherits(Transport, _Emitter);
+
+  var _super = _createSuper(Transport);
+
+  /**
+   * Transport abstract constructor.
+   *
+   * @param {Object} options.
+   * @api private
+   */
+  function Transport(opts) {
+    var _this;
+
+    _classCallCheck(this, Transport);
+
+    _this = _super.call(this);
+    _this.opts = opts;
+    _this.query = opts.query;
+    _this.readyState = "";
+    _this.socket = opts.socket;
+    return _this;
+  }
+  /**
+   * Emits an error.
+   *
+   * @param {String} str
+   * @return {Transport} for chaining
+   * @api public
+   */
+
+
+  _createClass(Transport, [{
+    key: "onError",
+    value: function onError(msg, desc) {
+      var err = new Error(msg);
+      err.type = "TransportError";
+      err.description = desc;
+      this.emit("error", err);
+      return this;
+    }
+    /**
+     * Opens the transport.
+     *
+     * @api public
+     */
+
+  }, {
+    key: "open",
+    value: function open() {
+      if ("closed" === this.readyState || "" === this.readyState) {
+        this.readyState = "opening";
+        this.doOpen();
+      }
+
+      return this;
+    }
+    /**
+     * Closes the transport.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "close",
+    value: function close() {
+      if ("opening" === this.readyState || "open" === this.readyState) {
+        this.doClose();
+        this.onClose();
+      }
+
+      return this;
+    }
+    /**
+     * Sends multiple packets.
+     *
+     * @param {Array} packets
+     * @api private
+     */
+
+  }, {
+    key: "send",
+    value: function send(packets) {
+      if ("open" === this.readyState) {
+        this.write(packets);
+      } else {
+        // this might happen if the transport was silently closed in the beforeunload event handler
+        debug("transport is not open, discarding packets");
+      }
+    }
+    /**
+     * Called upon open
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onOpen",
+    value: function onOpen() {
+      this.readyState = "open";
+      this.writable = true;
+      this.emit("open");
+    }
+    /**
+     * Called with data.
+     *
+     * @param {String} data
+     * @api private
+     */
+
+  }, {
+    key: "onData",
+    value: function onData(data) {
+      var packet = parser.decodePacket(data, this.socket.binaryType);
+      this.onPacket(packet);
+    }
+    /**
+     * Called with a decoded packet.
+     */
+
+  }, {
+    key: "onPacket",
+    value: function onPacket(packet) {
+      this.emit("packet", packet);
+    }
+    /**
+     * Called upon close.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onClose",
+    value: function onClose() {
+      this.readyState = "closed";
+      this.emit("close");
+    }
+  }]);
+
+  return Transport;
+}(Emitter);
+
+module.exports = Transport;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/transports/index.js":
+/*!***************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/transports/index.js ***!
+  \***************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+var XMLHttpRequest = __webpack_require__(/*! ../../contrib/xmlhttprequest-ssl/XMLHttpRequest */ "./node_modules/engine.io-client/lib/xmlhttprequest.js");
+
+var XHR = __webpack_require__(/*! ./polling-xhr */ "./node_modules/engine.io-client/lib/transports/polling-xhr.js");
+
+var JSONP = __webpack_require__(/*! ./polling-jsonp */ "./node_modules/engine.io-client/lib/transports/polling-jsonp.js");
+
+var websocket = __webpack_require__(/*! ./websocket */ "./node_modules/engine.io-client/lib/transports/websocket.js");
+
+exports.polling = polling;
+exports.websocket = websocket;
+/**
+ * Polling transport polymorphic constructor.
+ * Decides on xhr vs jsonp based on feature detection.
+ *
+ * @api private
+ */
+
+function polling(opts) {
+  var xhr;
+  var xd = false;
+  var xs = false;
+  var jsonp = false !== opts.jsonp;
+
+  if (typeof location !== "undefined") {
+    var isSSL = "https:" === location.protocol;
+    var port = location.port; // some user agents have empty `location.port`
+
+    if (!port) {
+      port = isSSL ? 443 : 80;
+    }
+
+    xd = opts.hostname !== location.hostname || port !== opts.port;
+    xs = opts.secure !== isSSL;
+  }
+
+  opts.xdomain = xd;
+  opts.xscheme = xs;
+  xhr = new XMLHttpRequest(opts);
+
+  if ("open" in xhr && !opts.forceJSONP) {
+    return new XHR(opts);
+  } else {
+    if (!jsonp) throw new Error("JSONP disabled");
+    return new JSONP(opts);
+  }
+}
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/transports/polling-jsonp.js":
+/*!***********************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/transports/polling-jsonp.js ***!
+  \***********************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var Polling = __webpack_require__(/*! ./polling */ "./node_modules/engine.io-client/lib/transports/polling.js");
+
+var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
+
+var rNewline = /\n/g;
+var rEscapedNewline = /\\n/g;
+/**
+ * Global JSONP callbacks.
+ */
+
+var callbacks;
+
+var JSONPPolling = /*#__PURE__*/function (_Polling) {
+  _inherits(JSONPPolling, _Polling);
+
+  var _super = _createSuper(JSONPPolling);
+
+  /**
+   * JSONP Polling constructor.
+   *
+   * @param {Object} opts.
+   * @api public
+   */
+  function JSONPPolling(opts) {
+    var _this;
+
+    _classCallCheck(this, JSONPPolling);
+
+    _this = _super.call(this, opts);
+    _this.query = _this.query || {}; // define global callbacks array if not present
+    // we do this here (lazily) to avoid unneeded global pollution
+
+    if (!callbacks) {
+      // we need to consider multiple engines in the same page
+      callbacks = globalThis.___eio = globalThis.___eio || [];
+    } // callback identifier
+
+
+    _this.index = callbacks.length; // add callback to jsonp global
+
+    var self = _assertThisInitialized(_this);
+
+    callbacks.push(function (msg) {
+      self.onData(msg);
+    }); // append to query string
+
+    _this.query.j = _this.index;
+    return _this;
+  }
+  /**
+   * JSONP only supports binary as base64 encoded strings
+   */
+
+
+  _createClass(JSONPPolling, [{
+    key: "doClose",
+
+    /**
+     * Closes the socket.
+     *
+     * @api private
+     */
+    value: function doClose() {
+      if (this.script) {
+        // prevent spurious errors from being emitted when the window is unloaded
+        this.script.onerror = function () {};
+
+        this.script.parentNode.removeChild(this.script);
+        this.script = null;
+      }
+
+      if (this.form) {
+        this.form.parentNode.removeChild(this.form);
+        this.form = null;
+        this.iframe = null;
+      }
+
+      _get(_getPrototypeOf(JSONPPolling.prototype), "doClose", this).call(this);
+    }
+    /**
+     * Starts a poll cycle.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "doPoll",
+    value: function doPoll() {
+      var self = this;
+      var script = document.createElement("script");
+
+      if (this.script) {
+        this.script.parentNode.removeChild(this.script);
+        this.script = null;
+      }
+
+      script.async = true;
+      script.src = this.uri();
+
+      script.onerror = function (e) {
+        self.onError("jsonp poll error", e);
+      };
+
+      var insertAt = document.getElementsByTagName("script")[0];
+
+      if (insertAt) {
+        insertAt.parentNode.insertBefore(script, insertAt);
+      } else {
+        (document.head || document.body).appendChild(script);
+      }
+
+      this.script = script;
+      var isUAgecko = "undefined" !== typeof navigator && /gecko/i.test(navigator.userAgent);
+
+      if (isUAgecko) {
+        setTimeout(function () {
+          var iframe = document.createElement("iframe");
+          document.body.appendChild(iframe);
+          document.body.removeChild(iframe);
+        }, 100);
+      }
+    }
+    /**
+     * Writes with a hidden iframe.
+     *
+     * @param {String} data to send
+     * @param {Function} called upon flush.
+     * @api private
+     */
+
+  }, {
+    key: "doWrite",
+    value: function doWrite(data, fn) {
+      var self = this;
+      var iframe;
+
+      if (!this.form) {
+        var form = document.createElement("form");
+        var area = document.createElement("textarea");
+        var id = this.iframeId = "eio_iframe_" + this.index;
+        form.className = "socketio";
+        form.style.position = "absolute";
+        form.style.top = "-1000px";
+        form.style.left = "-1000px";
+        form.target = id;
+        form.method = "POST";
+        form.setAttribute("accept-charset", "utf-8");
+        area.name = "d";
+        form.appendChild(area);
+        document.body.appendChild(form);
+        this.form = form;
+        this.area = area;
+      }
+
+      this.form.action = this.uri();
+
+      function complete() {
+        initIframe();
+        fn();
+      }
+
+      function initIframe() {
+        if (self.iframe) {
+          try {
+            self.form.removeChild(self.iframe);
+          } catch (e) {
+            self.onError("jsonp polling iframe removal error", e);
+          }
+        }
+
+        try {
+          // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+          var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
+          iframe = document.createElement(html);
+        } catch (e) {
+          iframe = document.createElement("iframe");
+          iframe.name = self.iframeId;
+          iframe.src = "javascript:0";
+        }
+
+        iframe.id = self.iframeId;
+        self.form.appendChild(iframe);
+        self.iframe = iframe;
+      }
+
+      initIframe(); // escape \n to prevent it from being converted into \r\n by some UAs
+      // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
+
+      data = data.replace(rEscapedNewline, "\\\n");
+      this.area.value = data.replace(rNewline, "\\n");
+
+      try {
+        this.form.submit();
+      } catch (e) {}
+
+      if (this.iframe.attachEvent) {
+        this.iframe.onreadystatechange = function () {
+          if (self.iframe.readyState === "complete") {
+            complete();
+          }
+        };
+      } else {
+        this.iframe.onload = complete;
+      }
+    }
+  }, {
+    key: "supportsBinary",
+    get: function get() {
+      return false;
+    }
+  }]);
+
+  return JSONPPolling;
+}(Polling);
+
+module.exports = JSONPPolling;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/transports/polling-xhr.js":
+/*!*********************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/transports/polling-xhr.js ***!
+  \*********************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+/* global attachEvent */
+var XMLHttpRequest = __webpack_require__(/*! ../../contrib/xmlhttprequest-ssl/XMLHttpRequest */ "./node_modules/engine.io-client/lib/xmlhttprequest.js");
+
+var Polling = __webpack_require__(/*! ./polling */ "./node_modules/engine.io-client/lib/transports/polling.js");
+
+var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
+
+var _require = __webpack_require__(/*! ../util */ "./node_modules/engine.io-client/lib/util.js"),
+    pick = _require.pick;
+
+var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:polling-xhr");
+/**
+ * Empty function
+ */
+
+
+function empty() {}
+
+var hasXHR2 = function () {
+  var xhr = new XMLHttpRequest({
+    xdomain: false
+  });
+  return null != xhr.responseType;
+}();
+
+var XHR = /*#__PURE__*/function (_Polling) {
+  _inherits(XHR, _Polling);
+
+  var _super = _createSuper(XHR);
+
+  /**
+   * XHR Polling constructor.
+   *
+   * @param {Object} opts
+   * @api public
+   */
+  function XHR(opts) {
+    var _this;
+
+    _classCallCheck(this, XHR);
+
+    _this = _super.call(this, opts);
+
+    if (typeof location !== "undefined") {
+      var isSSL = "https:" === location.protocol;
+      var port = location.port; // some user agents have empty `location.port`
+
+      if (!port) {
+        port = isSSL ? 443 : 80;
+      }
+
+      _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port;
+      _this.xs = opts.secure !== isSSL;
+    }
+    /**
+     * XHR supports binary
+     */
+
+
+    var forceBase64 = opts && opts.forceBase64;
+    _this.supportsBinary = hasXHR2 && !forceBase64;
+    return _this;
+  }
+  /**
+   * Creates a request.
+   *
+   * @param {String} method
+   * @api private
+   */
+
+
+  _createClass(XHR, [{
+    key: "request",
+    value: function request() {
+      var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+      _extends(opts, {
+        xd: this.xd,
+        xs: this.xs
+      }, this.opts);
+
+      return new Request(this.uri(), opts);
+    }
+    /**
+     * Sends data.
+     *
+     * @param {String} data to send.
+     * @param {Function} called upon flush.
+     * @api private
+     */
+
+  }, {
+    key: "doWrite",
+    value: function doWrite(data, fn) {
+      var req = this.request({
+        method: "POST",
+        data: data
+      });
+      var self = this;
+      req.on("success", fn);
+      req.on("error", function (err) {
+        self.onError("xhr post error", err);
+      });
+    }
+    /**
+     * Starts a poll cycle.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "doPoll",
+    value: function doPoll() {
+      debug("xhr poll");
+      var req = this.request();
+      var self = this;
+      req.on("data", function (data) {
+        self.onData(data);
+      });
+      req.on("error", function (err) {
+        self.onError("xhr poll error", err);
+      });
+      this.pollXhr = req;
+    }
+  }]);
+
+  return XHR;
+}(Polling);
+
+var Request = /*#__PURE__*/function (_Emitter) {
+  _inherits(Request, _Emitter);
+
+  var _super2 = _createSuper(Request);
+
+  /**
+   * Request constructor
+   *
+   * @param {Object} options
+   * @api public
+   */
+  function Request(uri, opts) {
+    var _this2;
+
+    _classCallCheck(this, Request);
+
+    _this2 = _super2.call(this);
+    _this2.opts = opts;
+    _this2.method = opts.method || "GET";
+    _this2.uri = uri;
+    _this2.async = false !== opts.async;
+    _this2.data = undefined !== opts.data ? opts.data : null;
+
+    _this2.create();
+
+    return _this2;
+  }
+  /**
+   * Creates the XHR object and sends the request.
+   *
+   * @api private
+   */
+
+
+  _createClass(Request, [{
+    key: "create",
+    value: function create() {
+      var opts = pick(this.opts, "agent", "enablesXDR", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref");
+      opts.xdomain = !!this.opts.xd;
+      opts.xscheme = !!this.opts.xs;
+      var xhr = this.xhr = new XMLHttpRequest(opts);
+      var self = this;
+
+      try {
+        debug("xhr open %s: %s", this.method, this.uri);
+        xhr.open(this.method, this.uri, this.async);
+
+        try {
+          if (this.opts.extraHeaders) {
+            xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);
+
+            for (var i in this.opts.extraHeaders) {
+              if (this.opts.extraHeaders.hasOwnProperty(i)) {
+                xhr.setRequestHeader(i, this.opts.extraHeaders[i]);
+              }
+            }
+          }
+        } catch (e) {}
+
+        if ("POST" === this.method) {
+          try {
+            xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8");
+          } catch (e) {}
+        }
+
+        try {
+          xhr.setRequestHeader("Accept", "*/*");
+        } catch (e) {} // ie6 check
+
+
+        if ("withCredentials" in xhr) {
+          xhr.withCredentials = this.opts.withCredentials;
+        }
+
+        if (this.opts.requestTimeout) {
+          xhr.timeout = this.opts.requestTimeout;
+        }
+
+        if (this.hasXDR()) {
+          xhr.onload = function () {
+            self.onLoad();
+          };
+
+          xhr.onerror = function () {
+            self.onError(xhr.responseText);
+          };
+        } else {
+          xhr.onreadystatechange = function () {
+            if (4 !== xhr.readyState) return;
+
+            if (200 === xhr.status || 1223 === xhr.status) {
+              self.onLoad();
+            } else {
+              // make sure the `error` event handler that's user-set
+              // does not throw in the same tick and gets caught here
+              setTimeout(function () {
+                self.onError(typeof xhr.status === "number" ? xhr.status : 0);
+              }, 0);
+            }
+          };
+        }
+
+        debug("xhr data %s", this.data);
+        xhr.send(this.data);
+      } catch (e) {
+        // Need to defer since .create() is called directly from the constructor
+        // and thus the 'error' event can only be only bound *after* this exception
+        // occurs.  Therefore, also, we cannot throw here at all.
+        setTimeout(function () {
+          self.onError(e);
+        }, 0);
+        return;
+      }
+
+      if (typeof document !== "undefined") {
+        this.index = Request.requestsCount++;
+        Request.requests[this.index] = this;
+      }
+    }
+    /**
+     * Called upon successful response.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onSuccess",
+    value: function onSuccess() {
+      this.emit("success");
+      this.cleanup();
+    }
+    /**
+     * Called if we have data.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onData",
+    value: function onData(data) {
+      this.emit("data", data);
+      this.onSuccess();
+    }
+    /**
+     * Called upon error.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onError",
+    value: function onError(err) {
+      this.emit("error", err);
+      this.cleanup(true);
+    }
+    /**
+     * Cleans up house.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "cleanup",
+    value: function cleanup(fromError) {
+      if ("undefined" === typeof this.xhr || null === this.xhr) {
+        return;
+      } // xmlhttprequest
+
+
+      if (this.hasXDR()) {
+        this.xhr.onload = this.xhr.onerror = empty;
+      } else {
+        this.xhr.onreadystatechange = empty;
+      }
+
+      if (fromError) {
+        try {
+          this.xhr.abort();
+        } catch (e) {}
+      }
+
+      if (typeof document !== "undefined") {
+        delete Request.requests[this.index];
+      }
+
+      this.xhr = null;
+    }
+    /**
+     * Called upon load.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onLoad",
+    value: function onLoad() {
+      var data = this.xhr.responseText;
+
+      if (data !== null) {
+        this.onData(data);
+      }
+    }
+    /**
+     * Check if it has XDomainRequest.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "hasXDR",
+    value: function hasXDR() {
+      return typeof XDomainRequest !== "undefined" && !this.xs && this.enablesXDR;
+    }
+    /**
+     * Aborts the request.
+     *
+     * @api public
+     */
+
+  }, {
+    key: "abort",
+    value: function abort() {
+      this.cleanup();
+    }
+  }]);
+
+  return Request;
+}(Emitter);
+/**
+ * Aborts pending requests when unloading the window. This is needed to prevent
+ * memory leaks (e.g. when using IE) and to ensure that no spurious error is
+ * emitted.
+ */
+
+
+Request.requestsCount = 0;
+Request.requests = {};
+
+if (typeof document !== "undefined") {
+  if (typeof attachEvent === "function") {
+    attachEvent("onunload", unloadHandler);
+  } else if (typeof addEventListener === "function") {
+    var terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload";
+    addEventListener(terminationEvent, unloadHandler, false);
+  }
+}
+
+function unloadHandler() {
+  for (var i in Request.requests) {
+    if (Request.requests.hasOwnProperty(i)) {
+      Request.requests[i].abort();
+    }
+  }
+}
+
+module.exports = XHR;
+module.exports.Request = Request;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/transports/polling.js":
+/*!*****************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/transports/polling.js ***!
+  \*****************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var Transport = __webpack_require__(/*! ../transport */ "./node_modules/engine.io-client/lib/transport.js");
+
+var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js");
+
+var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
+
+var yeast = __webpack_require__(/*! yeast */ "./node_modules/yeast/index.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:polling");
+
+var Polling = /*#__PURE__*/function (_Transport) {
+  _inherits(Polling, _Transport);
+
+  var _super = _createSuper(Polling);
+
+  function Polling() {
+    _classCallCheck(this, Polling);
+
+    return _super.apply(this, arguments);
+  }
+
+  _createClass(Polling, [{
+    key: "doOpen",
+
+    /**
+     * Opens the socket (triggers polling). We write a PING message to determine
+     * when the transport is open.
+     *
+     * @api private
+     */
+    value: function doOpen() {
+      this.poll();
+    }
+    /**
+     * Pauses polling.
+     *
+     * @param {Function} callback upon buffers are flushed and transport is paused
+     * @api private
+     */
+
+  }, {
+    key: "pause",
+    value: function pause(onPause) {
+      var self = this;
+      this.readyState = "pausing";
+
+      function pause() {
+        debug("paused");
+        self.readyState = "paused";
+        onPause();
+      }
+
+      if (this.polling || !this.writable) {
+        var total = 0;
+
+        if (this.polling) {
+          debug("we are currently polling - waiting to pause");
+          total++;
+          this.once("pollComplete", function () {
+            debug("pre-pause polling complete");
+            --total || pause();
+          });
+        }
+
+        if (!this.writable) {
+          debug("we are currently writing - waiting to pause");
+          total++;
+          this.once("drain", function () {
+            debug("pre-pause writing complete");
+            --total || pause();
+          });
+        }
+      } else {
+        pause();
+      }
+    }
+    /**
+     * Starts polling cycle.
+     *
+     * @api public
+     */
+
+  }, {
+    key: "poll",
+    value: function poll() {
+      debug("polling");
+      this.polling = true;
+      this.doPoll();
+      this.emit("poll");
+    }
+    /**
+     * Overloads onData to detect payloads.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onData",
+    value: function onData(data) {
+      var self = this;
+      debug("polling got data %s", data);
+
+      var callback = function callback(packet, index, total) {
+        // if its the first message we consider the transport open
+        if ("opening" === self.readyState && packet.type === "open") {
+          self.onOpen();
+        } // if its a close packet, we close the ongoing requests
+
+
+        if ("close" === packet.type) {
+          self.onClose();
+          return false;
+        } // otherwise bypass onData and handle the message
+
+
+        self.onPacket(packet);
+      }; // decode payload
+
+
+      parser.decodePayload(data, this.socket.binaryType).forEach(callback); // if an event did not trigger closing
+
+      if ("closed" !== this.readyState) {
+        // if we got data we're not polling
+        this.polling = false;
+        this.emit("pollComplete");
+
+        if ("open" === this.readyState) {
+          this.poll();
+        } else {
+          debug('ignoring poll - transport state "%s"', this.readyState);
+        }
+      }
+    }
+    /**
+     * For polling, send a close packet.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "doClose",
+    value: function doClose() {
+      var self = this;
+
+      function close() {
+        debug("writing close packet");
+        self.write([{
+          type: "close"
+        }]);
+      }
+
+      if ("open" === this.readyState) {
+        debug("transport open - closing");
+        close();
+      } else {
+        // in case we're trying to close while
+        // handshaking is in progress (GH-164)
+        debug("transport not open - deferring close");
+        this.once("open", close);
+      }
+    }
+    /**
+     * Writes a packets payload.
+     *
+     * @param {Array} data packets
+     * @param {Function} drain callback
+     * @api private
+     */
+
+  }, {
+    key: "write",
+    value: function write(packets) {
+      var _this = this;
+
+      this.writable = false;
+      parser.encodePayload(packets, function (data) {
+        _this.doWrite(data, function () {
+          _this.writable = true;
+
+          _this.emit("drain");
+        });
+      });
+    }
+    /**
+     * Generates uri for connection.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "uri",
+    value: function uri() {
+      var query = this.query || {};
+      var schema = this.opts.secure ? "https" : "http";
+      var port = ""; // cache busting is forced
+
+      if (false !== this.opts.timestampRequests) {
+        query[this.opts.timestampParam] = yeast();
+      }
+
+      if (!this.supportsBinary && !query.sid) {
+        query.b64 = 1;
+      }
+
+      query = parseqs.encode(query); // avoid port if default for schema
+
+      if (this.opts.port && ("https" === schema && Number(this.opts.port) !== 443 || "http" === schema && Number(this.opts.port) !== 80)) {
+        port = ":" + this.opts.port;
+      } // prepend ? to query
+
+
+      if (query.length) {
+        query = "?" + query;
+      }
+
+      var ipv6 = this.opts.hostname.indexOf(":") !== -1;
+      return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + query;
+    }
+  }, {
+    key: "name",
+
+    /**
+     * Transport name.
+     */
+    get: function get() {
+      return "polling";
+    }
+  }]);
+
+  return Polling;
+}(Transport);
+
+module.exports = Polling;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js":
+/*!***************************************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js ***!
+  \***************************************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
+
+module.exports = {
+  WebSocket: globalThis.WebSocket || globalThis.MozWebSocket,
+  usingBrowserWebSocket: true,
+  defaultBinaryType: "arraybuffer"
+};
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/transports/websocket.js":
+/*!*******************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/transports/websocket.js ***!
+  \*******************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var Transport = __webpack_require__(/*! ../transport */ "./node_modules/engine.io-client/lib/transport.js");
+
+var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
+
+var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js");
+
+var yeast = __webpack_require__(/*! yeast */ "./node_modules/yeast/index.js");
+
+var _require = __webpack_require__(/*! ../util */ "./node_modules/engine.io-client/lib/util.js"),
+    pick = _require.pick;
+
+var _require2 = __webpack_require__(/*! ./websocket-constructor */ "./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js"),
+    WebSocket = _require2.WebSocket,
+    usingBrowserWebSocket = _require2.usingBrowserWebSocket,
+    defaultBinaryType = _require2.defaultBinaryType;
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:websocket"); // detect ReactNative environment
+
+
+var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative";
+
+var WS = /*#__PURE__*/function (_Transport) {
+  _inherits(WS, _Transport);
+
+  var _super = _createSuper(WS);
+
+  /**
+   * WebSocket transport constructor.
+   *
+   * @api {Object} connection options
+   * @api public
+   */
+  function WS(opts) {
+    var _this;
+
+    _classCallCheck(this, WS);
+
+    _this = _super.call(this, opts);
+    _this.supportsBinary = !opts.forceBase64;
+    return _this;
+  }
+  /**
+   * Transport name.
+   *
+   * @api public
+   */
+
+
+  _createClass(WS, [{
+    key: "doOpen",
+
+    /**
+     * Opens socket.
+     *
+     * @api private
+     */
+    value: function doOpen() {
+      if (!this.check()) {
+        // let probe timeout
+        return;
+      }
+
+      var uri = this.uri();
+      var protocols = this.opts.protocols; // React Native only supports the 'headers' option, and will print a warning if anything else is passed
+
+      var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity");
+
+      if (this.opts.extraHeaders) {
+        opts.headers = this.opts.extraHeaders;
+      }
+
+      try {
+        this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts);
+      } catch (err) {
+        return this.emit("error", err);
+      }
+
+      this.ws.binaryType = this.socket.binaryType || defaultBinaryType;
+      this.addEventListeners();
+    }
+    /**
+     * Adds event listeners to the socket
+     *
+     * @api private
+     */
+
+  }, {
+    key: "addEventListeners",
+    value: function addEventListeners() {
+      var _this2 = this;
+
+      this.ws.onopen = function () {
+        if (_this2.opts.autoUnref) {
+          _this2.ws._socket.unref();
+        }
+
+        _this2.onOpen();
+      };
+
+      this.ws.onclose = this.onClose.bind(this);
+
+      this.ws.onmessage = function (ev) {
+        return _this2.onData(ev.data);
+      };
+
+      this.ws.onerror = function (e) {
+        return _this2.onError("websocket error", e);
+      };
+    }
+    /**
+     * Writes data to socket.
+     *
+     * @param {Array} array of packets.
+     * @api private
+     */
+
+  }, {
+    key: "write",
+    value: function write(packets) {
+      var self = this;
+      this.writable = false; // encodePacket efficient as it uses WS framing
+      // no need for encodePayload
+
+      var total = packets.length;
+      var i = 0;
+      var l = total;
+
+      for (; i < l; i++) {
+        (function (packet) {
+          parser.encodePacket(packet, self.supportsBinary, function (data) {
+            // always create a new object (GH-437)
+            var opts = {};
+
+            if (!usingBrowserWebSocket) {
+              if (packet.options) {
+                opts.compress = packet.options.compress;
+              }
+
+              if (self.opts.perMessageDeflate) {
+                var len = "string" === typeof data ? Buffer.byteLength(data) : data.length;
+
+                if (len < self.opts.perMessageDeflate.threshold) {
+                  opts.compress = false;
+                }
+              }
+            } // Sometimes the websocket has already been closed but the browser didn't
+            // have a chance of informing us about it yet, in that case send will
+            // throw an error
+
+
+            try {
+              if (usingBrowserWebSocket) {
+                // TypeError is thrown when passing the second argument on Safari
+                self.ws.send(data);
+              } else {
+                self.ws.send(data, opts);
+              }
+            } catch (e) {
+              debug("websocket closed before onclose event");
+            }
+
+            --total || done();
+          });
+        })(packets[i]);
+      }
+
+      function done() {
+        self.emit("flush"); // fake drain
+        // defer to next tick to allow Socket to clear writeBuffer
+
+        setTimeout(function () {
+          self.writable = true;
+          self.emit("drain");
+        }, 0);
+      }
+    }
+    /**
+     * Called upon close
+     *
+     * @api private
+     */
+
+  }, {
+    key: "onClose",
+    value: function onClose() {
+      Transport.prototype.onClose.call(this);
+    }
+    /**
+     * Closes socket.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "doClose",
+    value: function doClose() {
+      if (typeof this.ws !== "undefined") {
+        this.ws.close();
+        this.ws = null;
+      }
+    }
+    /**
+     * Generates uri for connection.
+     *
+     * @api private
+     */
+
+  }, {
+    key: "uri",
+    value: function uri() {
+      var query = this.query || {};
+      var schema = this.opts.secure ? "wss" : "ws";
+      var port = ""; // avoid port if default for schema
+
+      if (this.opts.port && ("wss" === schema && Number(this.opts.port) !== 443 || "ws" === schema && Number(this.opts.port) !== 80)) {
+        port = ":" + this.opts.port;
+      } // append timestamp to URI
+
+
+      if (this.opts.timestampRequests) {
+        query[this.opts.timestampParam] = yeast();
+      } // communicate binary support capabilities
+
+
+      if (!this.supportsBinary) {
+        query.b64 = 1;
+      }
+
+      query = parseqs.encode(query); // prepend ? to query
+
+      if (query.length) {
+        query = "?" + query;
+      }
+
+      var ipv6 = this.opts.hostname.indexOf(":") !== -1;
+      return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + query;
+    }
+    /**
+     * Feature detection for WebSocket.
+     *
+     * @return {Boolean} whether this transport is available.
+     * @api public
+     */
+
+  }, {
+    key: "check",
+    value: function check() {
+      return !!WebSocket && !("__initialize" in WebSocket && this.name === WS.prototype.name);
+    }
+  }, {
+    key: "name",
+    get: function get() {
+      return "websocket";
+    }
+  }]);
+
+  return WS;
+}(Transport);
+
+module.exports = WS;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/util.js":
+/*!***************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/util.js ***!
+  \***************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+module.exports.pick = function (obj) {
+  for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+    attr[_key - 1] = arguments[_key];
+  }
+
+  return attr.reduce(function (acc, k) {
+    if (obj.hasOwnProperty(k)) {
+      acc[k] = obj[k];
+    }
+
+    return acc;
+  }, {});
+};
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-client/lib/xmlhttprequest.js":
+/*!*************************************************************!*\
+  !*** ./node_modules/engine.io-client/lib/xmlhttprequest.js ***!
+  \*************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+// browser shim for xmlhttprequest module
+var hasCORS = __webpack_require__(/*! has-cors */ "./node_modules/has-cors/index.js");
+
+var globalThis = __webpack_require__(/*! ./globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
+
+module.exports = function (opts) {
+  var xdomain = opts.xdomain; // scheme must be same when usign XDomainRequest
+  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
+
+  var xscheme = opts.xscheme; // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
+  // https://github.com/Automattic/engine.io-client/pull/217
+
+  var enablesXDR = opts.enablesXDR; // XMLHttpRequest can be disabled on IE
+
+  try {
+    if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
+      return new XMLHttpRequest();
+    }
+  } catch (e) {} // Use XDomainRequest for IE8 if enablesXDR is true
+  // because loading bar keeps flashing when using jsonp-polling
+  // https://github.com/yujiosaka/socke.io-ie8-loading-example
+
+
+  try {
+    if ("undefined" !== typeof XDomainRequest && !xscheme && enablesXDR) {
+      return new XDomainRequest();
+    }
+  } catch (e) {}
+
+  if (!xdomain) {
+    try {
+      return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP");
+    } catch (e) {}
+  }
+};
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-parser/lib/commons.js":
+/*!******************************************************!*\
+  !*** ./node_modules/engine.io-parser/lib/commons.js ***!
+  \******************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+var PACKET_TYPES = Object.create(null); // no Map = no polyfill
+
+PACKET_TYPES["open"] = "0";
+PACKET_TYPES["close"] = "1";
+PACKET_TYPES["ping"] = "2";
+PACKET_TYPES["pong"] = "3";
+PACKET_TYPES["message"] = "4";
+PACKET_TYPES["upgrade"] = "5";
+PACKET_TYPES["noop"] = "6";
+var PACKET_TYPES_REVERSE = Object.create(null);
+Object.keys(PACKET_TYPES).forEach(function (key) {
+  PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;
+});
+var ERROR_PACKET = {
+  type: "error",
+  data: "parser error"
+};
+module.exports = {
+  PACKET_TYPES: PACKET_TYPES,
+  PACKET_TYPES_REVERSE: PACKET_TYPES_REVERSE,
+  ERROR_PACKET: ERROR_PACKET
+};
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-parser/lib/decodePacket.browser.js":
+/*!*******************************************************************!*\
+  !*** ./node_modules/engine.io-parser/lib/decodePacket.browser.js ***!
+  \*******************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+var _require = __webpack_require__(/*! ./commons */ "./node_modules/engine.io-parser/lib/commons.js"),
+    PACKET_TYPES_REVERSE = _require.PACKET_TYPES_REVERSE,
+    ERROR_PACKET = _require.ERROR_PACKET;
+
+var withNativeArrayBuffer = typeof ArrayBuffer === "function";
+var base64decoder;
+
+if (withNativeArrayBuffer) {
+  base64decoder = __webpack_require__(/*! base64-arraybuffer */ "./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js");
+}
+
+var decodePacket = function decodePacket(encodedPacket, binaryType) {
+  if (typeof encodedPacket !== "string") {
+    return {
+      type: "message",
+      data: mapBinary(encodedPacket, binaryType)
+    };
+  }
+
+  var type = encodedPacket.charAt(0);
+
+  if (type === "b") {
+    return {
+      type: "message",
+      data: decodeBase64Packet(encodedPacket.substring(1), binaryType)
+    };
+  }
+
+  var packetType = PACKET_TYPES_REVERSE[type];
+
+  if (!packetType) {
+    return ERROR_PACKET;
+  }
+
+  return encodedPacket.length > 1 ? {
+    type: PACKET_TYPES_REVERSE[type],
+    data: encodedPacket.substring(1)
+  } : {
+    type: PACKET_TYPES_REVERSE[type]
+  };
+};
+
+var decodeBase64Packet = function decodeBase64Packet(data, binaryType) {
+  if (base64decoder) {
+    var decoded = base64decoder.decode(data);
+    return mapBinary(decoded, binaryType);
+  } else {
+    return {
+      base64: true,
+      data: data
+    }; // fallback for old browsers
+  }
+};
+
+var mapBinary = function mapBinary(data, binaryType) {
+  switch (binaryType) {
+    case "blob":
+      return data instanceof ArrayBuffer ? new Blob([data]) : data;
+
+    case "arraybuffer":
+    default:
+      return data;
+    // assuming the data is already an ArrayBuffer
+  }
+};
+
+module.exports = decodePacket;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-parser/lib/encodePacket.browser.js":
+/*!*******************************************************************!*\
+  !*** ./node_modules/engine.io-parser/lib/encodePacket.browser.js ***!
+  \*******************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+var _require = __webpack_require__(/*! ./commons */ "./node_modules/engine.io-parser/lib/commons.js"),
+    PACKET_TYPES = _require.PACKET_TYPES;
+
+var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]";
+var withNativeArrayBuffer = typeof ArrayBuffer === "function"; // ArrayBuffer.isView method is not defined in IE10
+
+var isView = function isView(obj) {
+  return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer;
+};
+
+var encodePacket = function encodePacket(_ref, supportsBinary, callback) {
+  var type = _ref.type,
+      data = _ref.data;
+
+  if (withNativeBlob && data instanceof Blob) {
+    if (supportsBinary) {
+      return callback(data);
+    } else {
+      return encodeBlobAsBase64(data, callback);
+    }
+  } else if (withNativeArrayBuffer && (data instanceof ArrayBuffer || isView(data))) {
+    if (supportsBinary) {
+      return callback(data instanceof ArrayBuffer ? data : data.buffer);
+    } else {
+      return encodeBlobAsBase64(new Blob([data]), callback);
+    }
+  } // plain string
+
+
+  return callback(PACKET_TYPES[type] + (data || ""));
+};
+
+var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) {
+  var fileReader = new FileReader();
+
+  fileReader.onload = function () {
+    var content = fileReader.result.split(",")[1];
+    callback("b" + content);
+  };
+
+  return fileReader.readAsDataURL(data);
+};
+
+module.exports = encodePacket;
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-parser/lib/index.js":
+/*!****************************************************!*\
+  !*** ./node_modules/engine.io-parser/lib/index.js ***!
+  \****************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+var encodePacket = __webpack_require__(/*! ./encodePacket */ "./node_modules/engine.io-parser/lib/encodePacket.browser.js");
+
+var decodePacket = __webpack_require__(/*! ./decodePacket */ "./node_modules/engine.io-parser/lib/decodePacket.browser.js");
+
+var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
+
+var encodePayload = function encodePayload(packets, callback) {
+  // some packets may be added to the array while encoding, so the initial length must be saved
+  var length = packets.length;
+  var encodedPackets = new Array(length);
+  var count = 0;
+  packets.forEach(function (packet, i) {
+    // force base64 encoding for binary packets
+    encodePacket(packet, false, function (encodedPacket) {
+      encodedPackets[i] = encodedPacket;
+
+      if (++count === length) {
+        callback(encodedPackets.join(SEPARATOR));
+      }
+    });
+  });
+};
+
+var decodePayload = function decodePayload(encodedPayload, binaryType) {
+  var encodedPackets = encodedPayload.split(SEPARATOR);
+  var packets = [];
+
+  for (var i = 0; i < encodedPackets.length; i++) {
+    var decodedPacket = decodePacket(encodedPackets[i], binaryType);
+    packets.push(decodedPacket);
+
+    if (decodedPacket.type === "error") {
+      break;
+    }
+  }
+
+  return packets;
+};
+
+module.exports = {
+  protocol: 4,
+  encodePacket: encodePacket,
+  encodePayload: encodePayload,
+  decodePacket: decodePacket,
+  decodePayload: decodePayload
+};
+
+/***/ }),
+
+/***/ "./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js":
+/*!*************************************************************************************************!*\
+  !*** ./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js ***!
+  \*************************************************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+/*
+ * base64-arraybuffer
+ * https://github.com/niklasvh/base64-arraybuffer
+ *
+ * Copyright (c) 2012 Niklas von Hertzen
+ * Licensed under the MIT license.
+ */
+(function (chars) {
+  "use strict";
+
+  exports.encode = function (arraybuffer) {
+    var bytes = new Uint8Array(arraybuffer),
+        i,
+        len = bytes.length,
+        base64 = "";
+
+    for (i = 0; i < len; i += 3) {
+      base64 += chars[bytes[i] >> 2];
+      base64 += chars[(bytes[i] & 3) << 4 | bytes[i + 1] >> 4];
+      base64 += chars[(bytes[i + 1] & 15) << 2 | bytes[i + 2] >> 6];
+      base64 += chars[bytes[i + 2] & 63];
+    }
+
+    if (len % 3 === 2) {
+      base64 = base64.substring(0, base64.length - 1) + "=";
+    } else if (len % 3 === 1) {
+      base64 = base64.substring(0, base64.length - 2) + "==";
+    }
+
+    return base64;
+  };
+
+  exports.decode = function (base64) {
+    var bufferLength = base64.length * 0.75,
+        len = base64.length,
+        i,
+        p = 0,
+        encoded1,
+        encoded2,
+        encoded3,
+        encoded4;
+
+    if (base64[base64.length - 1] === "=") {
+      bufferLength--;
+
+      if (base64[base64.length - 2] === "=") {
+        bufferLength--;
+      }
+    }
+
+    var arraybuffer = new ArrayBuffer(bufferLength),
+        bytes = new Uint8Array(arraybuffer);
+
+    for (i = 0; i < len; i += 4) {
+      encoded1 = chars.indexOf(base64[i]);
+      encoded2 = chars.indexOf(base64[i + 1]);
+      encoded3 = chars.indexOf(base64[i + 2]);
+      encoded4 = chars.indexOf(base64[i + 3]);
+      bytes[p++] = encoded1 << 2 | encoded2 >> 4;
+      bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2;
+      bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63;
+    }
+
+    return arraybuffer;
+  };
+})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
+
+/***/ }),
+
+/***/ "./node_modules/has-cors/index.js":
+/*!****************************************!*\
+  !*** ./node_modules/has-cors/index.js ***!
+  \****************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+/**
+ * Module exports.
+ *
+ * Logic borrowed from Modernizr:
+ *
+ *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
+ */
+try {
+  module.exports = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest();
+} catch (err) {
+  // if XMLHttp support is disabled in IE then it will throw
+  // when trying to create
+  module.exports = false;
+}
+
+/***/ }),
+
+/***/ "./node_modules/ms/index.js":
+/*!**********************************!*\
+  !*** ./node_modules/ms/index.js ***!
+  \**********************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+/**
+ * Helpers.
+ */
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var w = d * 7;
+var y = d * 365.25;
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function (val, options) {
+  options = options || {};
+
+  var type = _typeof(val);
+
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isFinite(val)) {
+    return options["long"] ? fmtLong(val) : fmtShort(val);
+  }
+
+  throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
+};
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+
+function parse(str) {
+  str = String(str);
+
+  if (str.length > 100) {
+    return;
+  }
+
+  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);
+
+  if (!match) {
+    return;
+  }
+
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+
+    case 'weeks':
+    case 'week':
+    case 'w':
+      return n * w;
+
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+
+    default:
+      return undefined;
+  }
+}
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+
+function fmtShort(ms) {
+  var msAbs = Math.abs(ms);
+
+  if (msAbs >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+
+  if (msAbs >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+
+  if (msAbs >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+
+  if (msAbs >= s) {
+    return Math.round(ms / s) + 's';
+  }
+
+  return ms + 'ms';
+}
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+
+function fmtLong(ms) {
+  var msAbs = Math.abs(ms);
+
+  if (msAbs >= d) {
+    return plural(ms, msAbs, d, 'day');
+  }
+
+  if (msAbs >= h) {
+    return plural(ms, msAbs, h, 'hour');
+  }
+
+  if (msAbs >= m) {
+    return plural(ms, msAbs, m, 'minute');
+  }
+
+  if (msAbs >= s) {
+    return plural(ms, msAbs, s, 'second');
+  }
+
+  return ms + ' ms';
+}
+/**
+ * Pluralization helper.
+ */
+
+
+function plural(ms, msAbs, n, name) {
+  var isPlural = msAbs >= n * 1.5;
+  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+}
+
+/***/ }),
+
+/***/ "./node_modules/parseqs/index.js":
+/*!***************************************!*\
+  !*** ./node_modules/parseqs/index.js ***!
+  \***************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+/**
+ * Compiles a querystring
+ * Returns string representation of the object
+ *
+ * @param {Object}
+ * @api private
+ */
+exports.encode = function (obj) {
+  var str = '';
+
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      if (str.length) str += '&';
+      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
+    }
+  }
+
+  return str;
+};
+/**
+ * Parses a simple querystring into an object
+ *
+ * @param {String} qs
+ * @api private
+ */
+
+
+exports.decode = function (qs) {
+  var qry = {};
+  var pairs = qs.split('&');
+
+  for (var i = 0, l = pairs.length; i < l; i++) {
+    var pair = pairs[i].split('=');
+    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+  }
+
+  return qry;
+};
+
+/***/ }),
+
+/***/ "./node_modules/parseuri/index.js":
+/*!****************************************!*\
+  !*** ./node_modules/parseuri/index.js ***!
+  \****************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+/**
+ * Parses an URI
+ *
+ * @author Steven Levithan <stevenlevithan.com> (MIT license)
+ * @api private
+ */
+var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'];
+
+module.exports = function parseuri(str) {
+  var src = str,
+      b = str.indexOf('['),
+      e = str.indexOf(']');
+
+  if (b != -1 && e != -1) {
+    str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
+  }
+
+  var m = re.exec(str || ''),
+      uri = {},
+      i = 14;
+
+  while (i--) {
+    uri[parts[i]] = m[i] || '';
+  }
+
+  if (b != -1 && e != -1) {
+    uri.source = src;
+    uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
+    uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
+    uri.ipv6uri = true;
+  }
+
+  uri.pathNames = pathNames(uri, uri['path']);
+  uri.queryKey = queryKey(uri, uri['query']);
+  return uri;
+};
+
+function pathNames(obj, path) {
+  var regx = /\/{2,9}/g,
+      names = path.replace(regx, "/").split("/");
+
+  if (path.substr(0, 1) == '/' || path.length === 0) {
+    names.splice(0, 1);
+  }
+
+  if (path.substr(path.length - 1, 1) == '/') {
+    names.splice(names.length - 1, 1);
+  }
+
+  return names;
+}
+
+function queryKey(uri, query) {
+  var data = {};
+  query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {
+    if ($1) {
+      data[$1] = $2;
+    }
+  });
+  return data;
+}
+
+/***/ }),
+
+/***/ "./node_modules/socket.io-parser/dist/binary.js":
+/*!******************************************************!*\
+  !*** ./node_modules/socket.io-parser/dist/binary.js ***!
+  \******************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.reconstructPacket = exports.deconstructPacket = void 0;
+
+var is_binary_1 = __webpack_require__(/*! ./is-binary */ "./node_modules/socket.io-parser/dist/is-binary.js");
+/**
+ * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.
+ *
+ * @param {Object} packet - socket.io event packet
+ * @return {Object} with deconstructed packet and list of buffers
+ * @public
+ */
+
+
+function deconstructPacket(packet) {
+  var buffers = [];
+  var packetData = packet.data;
+  var pack = packet;
+  pack.data = _deconstructPacket(packetData, buffers);
+  pack.attachments = buffers.length; // number of binary 'attachments'
+
+  return {
+    packet: pack,
+    buffers: buffers
+  };
+}
+
+exports.deconstructPacket = deconstructPacket;
+
+function _deconstructPacket(data, buffers) {
+  if (!data) return data;
+
+  if (is_binary_1.isBinary(data)) {
+    var placeholder = {
+      _placeholder: true,
+      num: buffers.length
+    };
+    buffers.push(data);
+    return placeholder;
+  } else if (Array.isArray(data)) {
+    var newData = new Array(data.length);
+
+    for (var i = 0; i < data.length; i++) {
+      newData[i] = _deconstructPacket(data[i], buffers);
+    }
+
+    return newData;
+  } else if (_typeof(data) === "object" && !(data instanceof Date)) {
+    var _newData = {};
+
+    for (var key in data) {
+      if (data.hasOwnProperty(key)) {
+        _newData[key] = _deconstructPacket(data[key], buffers);
+      }
+    }
+
+    return _newData;
+  }
+
+  return data;
+}
+/**
+ * Reconstructs a binary packet from its placeholder packet and buffers
+ *
+ * @param {Object} packet - event packet with placeholders
+ * @param {Array} buffers - binary buffers to put in placeholder positions
+ * @return {Object} reconstructed packet
+ * @public
+ */
+
+
+function reconstructPacket(packet, buffers) {
+  packet.data = _reconstructPacket(packet.data, buffers);
+  packet.attachments = undefined; // no longer useful
+
+  return packet;
+}
+
+exports.reconstructPacket = reconstructPacket;
+
+function _reconstructPacket(data, buffers) {
+  if (!data) return data;
+
+  if (data && data._placeholder) {
+    return buffers[data.num]; // appropriate buffer (should be natural order anyway)
+  } else if (Array.isArray(data)) {
+    for (var i = 0; i < data.length; i++) {
+      data[i] = _reconstructPacket(data[i], buffers);
+    }
+  } else if (_typeof(data) === "object") {
+    for (var key in data) {
+      if (data.hasOwnProperty(key)) {
+        data[key] = _reconstructPacket(data[key], buffers);
+      }
+    }
+  }
+
+  return data;
+}
+
+/***/ }),
+
+/***/ "./node_modules/socket.io-parser/dist/index.js":
+/*!*****************************************************!*\
+  !*** ./node_modules/socket.io-parser/dist/index.js ***!
+  \*****************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0;
+
+var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
+
+var binary_1 = __webpack_require__(/*! ./binary */ "./node_modules/socket.io-parser/dist/binary.js");
+
+var is_binary_1 = __webpack_require__(/*! ./is-binary */ "./node_modules/socket.io-parser/dist/is-binary.js");
+
+var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-parser");
+/**
+ * Protocol version.
+ *
+ * @public
+ */
+
+
+exports.protocol = 5;
+var PacketType;
+
+(function (PacketType) {
+  PacketType[PacketType["CONNECT"] = 0] = "CONNECT";
+  PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT";
+  PacketType[PacketType["EVENT"] = 2] = "EVENT";
+  PacketType[PacketType["ACK"] = 3] = "ACK";
+  PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR";
+  PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT";
+  PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK";
+})(PacketType = exports.PacketType || (exports.PacketType = {}));
+/**
+ * A socket.io Encoder instance
+ */
+
+
+var Encoder = /*#__PURE__*/function () {
+  function Encoder() {
+    _classCallCheck(this, Encoder);
+  }
+
+  _createClass(Encoder, [{
+    key: "encode",
+
+    /**
+     * Encode a packet as a single string if non-binary, or as a
+     * buffer sequence, depending on packet type.
+     *
+     * @param {Object} obj - packet object
+     */
+    value: function encode(obj) {
+      debug("encoding packet %j", obj);
+
+      if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {
+        if (is_binary_1.hasBinary(obj)) {
+          obj.type = obj.type === PacketType.EVENT ? PacketType.BINARY_EVENT : PacketType.BINARY_ACK;
+          return this.encodeAsBinary(obj);
+        }
+      }
+
+      return [this.encodeAsString(obj)];
+    }
+    /**
+     * Encode packet as string.
+     */
+
+  }, {
+    key: "encodeAsString",
+    value: function encodeAsString(obj) {
+      // first is type
+      var str = "" + obj.type; // attachments if we have them
+
+      if (obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK) {
+        str += obj.attachments + "-";
+      } // if we have a namespace other than `/`
+      // we append it followed by a comma `,`
+
+
+      if (obj.nsp && "/" !== obj.nsp) {
+        str += obj.nsp + ",";
+      } // immediately followed by the id
+
+
+      if (null != obj.id) {
+        str += obj.id;
+      } // json data
+
+
+      if (null != obj.data) {
+        str += JSON.stringify(obj.data);
+      }
+
+      debug("encoded %j as %s", obj, str);
+      return str;
+    }
+    /**
+     * Encode packet as 'buffer sequence' by removing blobs, and
+     * deconstructing packet into object with placeholders and
+     * a list of buffers.
+     */
+
+  }, {
+    key: "encodeAsBinary",
+    value: function encodeAsBinary(obj) {
+      var deconstruction = binary_1.deconstructPacket(obj);
+      var pack = this.encodeAsString(deconstruction.packet);
+      var buffers = deconstruction.buffers;
+      buffers.unshift(pack); // add packet info to beginning of data list
+
+      return buffers; // write all the buffers
+    }
+  }]);
+
+  return Encoder;
+}();
+
+exports.Encoder = Encoder;
+/**
+ * A socket.io Decoder instance
+ *
+ * @return {Object} decoder
+ */
+
+var Decoder = /*#__PURE__*/function (_Emitter) {
+  _inherits(Decoder, _Emitter);
+
+  var _super = _createSuper(Decoder);
+
+  function Decoder() {
+    _classCallCheck(this, Decoder);
+
+    return _super.call(this);
+  }
+  /**
+   * Decodes an encoded packet string into packet JSON.
+   *
+   * @param {String} obj - encoded packet
+   */
+
+
+  _createClass(Decoder, [{
+    key: "add",
+    value: function add(obj) {
+      var packet;
+
+      if (typeof obj === "string") {
+        packet = this.decodeString(obj);
+
+        if (packet.type === PacketType.BINARY_EVENT || packet.type === PacketType.BINARY_ACK) {
+          // binary packet's json
+          this.reconstructor = new BinaryReconstructor(packet); // no attachments, labeled binary but no binary data to follow
+
+          if (packet.attachments === 0) {
+            _get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet);
+          }
+        } else {
+          // non-binary full packet
+          _get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet);
+        }
+      } else if (is_binary_1.isBinary(obj) || obj.base64) {
+        // raw binary data
+        if (!this.reconstructor) {
+          throw new Error("got binary data when not reconstructing a packet");
+        } else {
+          packet = this.reconstructor.takeBinaryData(obj);
+
+          if (packet) {
+            // received final buffer
+            this.reconstructor = null;
+
+            _get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet);
+          }
+        }
+      } else {
+        throw new Error("Unknown type: " + obj);
+      }
+    }
+    /**
+     * Decode a packet String (JSON data)
+     *
+     * @param {String} str
+     * @return {Object} packet
+     */
+
+  }, {
+    key: "decodeString",
+    value: function decodeString(str) {
+      var i = 0; // look up type
+
+      var p = {
+        type: Number(str.charAt(0))
+      };
+
+      if (PacketType[p.type] === undefined) {
+        throw new Error("unknown packet type " + p.type);
+      } // look up attachments if type binary
+
+
+      if (p.type === PacketType.BINARY_EVENT || p.type === PacketType.BINARY_ACK) {
+        var start = i + 1;
+
+        while (str.charAt(++i) !== "-" && i != str.length) {}
+
+        var buf = str.substring(start, i);
+
+        if (buf != Number(buf) || str.charAt(i) !== "-") {
+          throw new Error("Illegal attachments");
+        }
+
+        p.attachments = Number(buf);
+      } // look up namespace (if any)
+
+
+      if ("/" === str.charAt(i + 1)) {
+        var _start = i + 1;
+
+        while (++i) {
+          var c = str.charAt(i);
+          if ("," === c) break;
+          if (i === str.length) break;
+        }
+
+        p.nsp = str.substring(_start, i);
+      } else {
+        p.nsp = "/";
+      } // look up id
+
+
+      var next = str.charAt(i + 1);
+
+      if ("" !== next && Number(next) == next) {
+        var _start2 = i + 1;
+
+        while (++i) {
+          var _c = str.charAt(i);
+
+          if (null == _c || Number(_c) != _c) {
+            --i;
+            break;
+          }
+
+          if (i === str.length) break;
+        }
+
+        p.id = Number(str.substring(_start2, i + 1));
+      } // look up json data
+
+
+      if (str.charAt(++i)) {
+        var payload = tryParse(str.substr(i));
+
+        if (Decoder.isPayloadValid(p.type, payload)) {
+          p.data = payload;
+        } else {
+          throw new Error("invalid payload");
+        }
+      }
+
+      debug("decoded %s as %j", str, p);
+      return p;
+    }
+  }, {
+    key: "destroy",
+
+    /**
+     * Deallocates a parser's resources
+     */
+    value: function destroy() {
+      if (this.reconstructor) {
+        this.reconstructor.finishedReconstruction();
+      }
+    }
+  }], [{
+    key: "isPayloadValid",
+    value: function isPayloadValid(type, payload) {
+      switch (type) {
+        case PacketType.CONNECT:
+          return _typeof(payload) === "object";
+
+        case PacketType.DISCONNECT:
+          return payload === undefined;
+
+        case PacketType.CONNECT_ERROR:
+          return typeof payload === "string" || _typeof(payload) === "object";
+
+        case PacketType.EVENT:
+        case PacketType.BINARY_EVENT:
+          return Array.isArray(payload) && payload.length > 0;
+
+        case PacketType.ACK:
+        case PacketType.BINARY_ACK:
+          return Array.isArray(payload);
+      }
+    }
+  }]);
+
+  return Decoder;
+}(Emitter);
+
+exports.Decoder = Decoder;
+
+function tryParse(str) {
+  try {
+    return JSON.parse(str);
+  } catch (e) {
+    return false;
+  }
+}
+/**
+ * A manager of a binary event's 'buffer sequence'. Should
+ * be constructed whenever a packet of type BINARY_EVENT is
+ * decoded.
+ *
+ * @param {Object} packet
+ * @return {BinaryReconstructor} initialized reconstructor
+ */
+
+
+var BinaryReconstructor = /*#__PURE__*/function () {
+  function BinaryReconstructor(packet) {
+    _classCallCheck(this, BinaryReconstructor);
+
+    this.packet = packet;
+    this.buffers = [];
+    this.reconPack = packet;
+  }
+  /**
+   * Method to be called when binary data received from connection
+   * after a BINARY_EVENT packet.
+   *
+   * @param {Buffer | ArrayBuffer} binData - the raw binary data received
+   * @return {null | Object} returns null if more binary data is expected or
+   *   a reconstructed packet object if all buffers have been received.
+   */
+
+
+  _createClass(BinaryReconstructor, [{
+    key: "takeBinaryData",
+    value: function takeBinaryData(binData) {
+      this.buffers.push(binData);
+
+      if (this.buffers.length === this.reconPack.attachments) {
+        // done with buffer list
+        var packet = binary_1.reconstructPacket(this.reconPack, this.buffers);
+        this.finishedReconstruction();
+        return packet;
+      }
+
+      return null;
+    }
+    /**
+     * Cleans up binary packet reconstruction variables.
+     */
+
+  }, {
+    key: "finishedReconstruction",
+    value: function finishedReconstruction() {
+      this.reconPack = null;
+      this.buffers = [];
+    }
+  }]);
+
+  return BinaryReconstructor;
+}();
+
+/***/ }),
+
+/***/ "./node_modules/socket.io-parser/dist/is-binary.js":
+/*!*********************************************************!*\
+  !*** ./node_modules/socket.io-parser/dist/is-binary.js ***!
+  \*********************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.hasBinary = exports.isBinary = void 0;
+var withNativeArrayBuffer = typeof ArrayBuffer === "function";
+
+var isView = function isView(obj) {
+  return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer;
+};
+
+var toString = Object.prototype.toString;
+var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]";
+var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]";
+/**
+ * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.
+ *
+ * @private
+ */
+
+function isBinary(obj) {
+  return withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)) || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File;
+}
+
+exports.isBinary = isBinary;
+
+function hasBinary(obj, toJSON) {
+  if (!obj || _typeof(obj) !== "object") {
+    return false;
+  }
+
+  if (Array.isArray(obj)) {
+    for (var i = 0, l = obj.length; i < l; i++) {
+      if (hasBinary(obj[i])) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  if (isBinary(obj)) {
+    return true;
+  }
+
+  if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) {
+    return hasBinary(obj.toJSON(), true);
+  }
+
+  for (var key in obj) {
+    if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+exports.hasBinary = hasBinary;
+
+/***/ }),
+
+/***/ "./node_modules/yeast/index.js":
+/*!*************************************!*\
+  !*** ./node_modules/yeast/index.js ***!
+  \*************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''),
+    length = 64,
+    map = {},
+    seed = 0,
+    i = 0,
+    prev;
+/**
+ * Return a string representing the specified number.
+ *
+ * @param {Number} num The number to convert.
+ * @returns {String} The string representation of the number.
+ * @api public
+ */
+
+function encode(num) {
+  var encoded = '';
+
+  do {
+    encoded = alphabet[num % length] + encoded;
+    num = Math.floor(num / length);
+  } while (num > 0);
+
+  return encoded;
+}
+/**
+ * Return the integer value specified by the given string.
+ *
+ * @param {String} str The string to convert.
+ * @returns {Number} The integer value represented by the string.
+ * @api public
+ */
+
+
+function decode(str) {
+  var decoded = 0;
+
+  for (i = 0; i < str.length; i++) {
+    decoded = decoded * length + map[str.charAt(i)];
+  }
+
+  return decoded;
+}
+/**
+ * Yeast: A tiny growing id generator.
+ *
+ * @returns {String} A unique id.
+ * @api public
+ */
+
+
+function yeast() {
+  var now = encode(+new Date());
+  if (now !== prev) return seed = 0, prev = now;
+  return now + '.' + encode(seed++);
+} //
+// Map each character to its index.
+//
+
+
+for (; i < length; i++) {
+  map[alphabet[i]] = i;
+} //
+// Expose the `yeast`, `encode` and `decode` functions.
+//
+
+
+yeast.encode = encode;
+yeast.decode = decode;
+module.exports = yeast;
+
+/***/ })
+
+/******/ });
+});
+//# sourceMappingURL=socket.io.js.map
\ No newline at end of file