node_modules/socket.io/client-dist/socket.io.js

/*!
 * Socket.IO v3.1.1
 * (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();
})(window, 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;
  }
});

/***/ }),

/***/ "./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 _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.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 Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.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 debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:manager");

var Manager = /*#__PURE__*/function (_Emitter) {
  _inherits(Manager, _Emitter);

  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";

        _get(_getPrototypeOf(Manager.prototype), "emit", _this2).call(_this2, "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);
        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";

      _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "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() {
      _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "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) {
      _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "packet", packet);
    }
    /**
     * Called upon socket error.
     *
     * @private
     */

  }, {
    key: "onerror",
    value: function onerror(err) {
      debug("error", err);

      _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "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";

      _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "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();

        _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "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");

          _get(_getPrototypeOf(Manager.prototype), "emit", _this3).call(_this3, "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();

              _get(_getPrototypeOf(Manager.prototype), "emit", _this3).call(_this3, "reconnect_error", err);
            } else {
              debug("reconnect success");
              self.onreconnect();
            }
          });
        }, delay);
        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();

      _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "reconnect", attempt);
    }
  }]);

  return Manager;
}(Emitter);

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 Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");

var on_1 = __webpack_require__(/*! ./on */ "./build/on.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 (_Emitter) {
  _inherits(Socket, _Emitter);

  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.
     *
     * @param ev - event name
     * @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) {
        _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "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;

      _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "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 {
            _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "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;

          _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "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;

      _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "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;
}(Emitter);

exports.Socket = Socket;

/***/ }),

/***/ "./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;

    _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);
    }
    /**
     * 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(); // 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 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 {
        throw new Error("Transport not open");
      }
    }
    /**
     * 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__(/*! xmlhttprequest-ssl */ "./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;
/**
 * Noop.
 */

function empty() {}

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; // prevent spurious errors from being emitted when the window is unloaded

    if (typeof addEventListener === "function") {
      addEventListener("beforeunload", function () {
        if (self.script) self.script.onerror = empty;
      }, false);
    }

    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) {
        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__(/*! xmlhttprequest-ssl */ "./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");
      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 self = this;

      this.ws.onopen = function () {
        self.onOpen();
      };

      this.ws.onclose = function () {
        self.onClose();
      };

      this.ws.onmessage = function (ev) {
        self.onData(ev.data);
      };

      this.ws.onerror = function (e) {
        self.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();
      }
    }
    /**
     * 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