/*! * Socket.IO v3.0.3 * (c) 2014-2020 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(); })((() => { if (typeof self !== 'undefined') { return self; } else if (typeof window !== 'undefined') { return window; } else if (typeof global !== 'undefined') { return global; } else { return Function('return this')(); } })(), 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); 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.query; } 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 bind = __webpack_require__(/*! component-bind */ "./node_modules/component-bind/index.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 = []; _this.connecting = []; 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) { if (v === undefined) return this._reconnectionDelay; this._reconnectionDelay = v; this.backoff && this.backoff.setMin(v); return this; } }, { key: "randomizationFactor", value: function randomizationFactor(v) { if (v === undefined) return this._randomizationFactor; this._randomizationFactor = v; this.backoff && this.backoff.setJitter(v); return this; } }, { key: "reconnectionDelayMax", value: function reconnectionDelayMax(v) { if (v === undefined) return this._reconnectionDelayMax; this._reconnectionDelayMax = v; this.backoff && this.backoff.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 {Manager} 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 openSub = 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) { openSub.destroy(); // prevents a race condition with the 'open' event } // set timer var timer = setTimeout(function () { debug("connect attempt timed out after %d", timeout); openSub.destroy(); socket.close(); socket.emit("error", new Error("timeout")); }, timeout); this.subs.push({ destroy: function destroy() { clearTimeout(timer); } }); } this.subs.push(openSub); this.subs.push(errorSub); return this; } /** * Alias for open() * * @return {Manager} 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, "data", bind(this, "ondata"))); this.subs.push(on_1.on(socket, "ping", bind(this, "onping"))); this.subs.push(on_1.on(socket, "error", bind(this, "onerror"))); this.subs.push(on_1.on(socket, "close", bind(this, "onclose"))); this.subs.push(on_1.on(this.decoder, "decoded", bind(this, "ondecoded"))); } /** * 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; var self = this; socket.on("connecting", onConnecting); if (this._autoConnect) { // manually call here since connecting event is fired before listening onConnecting(); } } function onConnecting() { if (!~self.connecting.indexOf(socket)) { self.connecting.push(socket); } } return socket; } /** * Called upon a socket close. * * @param {Socket} socket * @private */ }, { key: "_destroy", value: function _destroy(socket) { var index = this.connecting.indexOf(socket); if (~index) this.connecting.splice(index, 1); if (this.connecting.length) return; this._close(); } /** * Writes a packet. * * @param {Object} packet * @private */ }, { key: "_packet", value: function _packet(packet) { debug("writing packet %j", packet); if (packet.query && packet.type === 0) packet.nsp += "?" + packet.query; 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"); var subsLength = this.subs.length; for (var i = 0; i < subsLength; i++) { var sub = this.subs.shift(); sub.destroy(); } 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({ destroy: function destroy() { 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 { destroy: function destroy() { obj.removeListener(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 bind = __webpack_require__(/*! component-bind */ "./node_modules/component-bind/index.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 = { 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.ids = 0; _this.acks = {}; _this.receiveBuffer = []; _this.sendBuffer = []; _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", bind(this, "onopen")), on_1.on(io, "packet", bind(this, "onpacket")), on_1.on(io, "close", bind(this, "onclose"))]; } /** * "Opens" the socket. * * @public */ }, { key: "connect", 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 {Socket} 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 {String} ev - event name * @return {Socket} 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 {Object} 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 `close`. * * @param {String} 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 {Object} 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: var id = packet.data.sid; this.onconnect(id); 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 {Object} 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(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 {Object} 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) { 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() { for (var i = 0; i < this.receiveBuffer.length; i++) { this.emitEvent(this.receiveBuffer[i]); } this.receiveBuffer = []; for (var _i = 0; _i < this.sendBuffer.length; _i++) { this.packet(this.sendBuffer[_i]); } 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 for (var i = 0; i < this.subs.length; i++) { this.subs[i].destroy(); } this.subs = null; } this.io._destroy(this); } /** * Disconnects the socket manually. * * @return {Socket} 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 {Socket} self * @public */ }, { key: "close", value: function close() { return this.disconnect(); } /** * Sets the compress flag. * * @param {Boolean} compress - if `true`, compresses the sending data * @return {Socket} 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 {Socket} 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: "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 {String} uri - url * @param {Object} loc - An object meant to mimic window.location. * Defaults to window.location. * @public */ function url(uri, loc) { 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 ("string" === typeof uri) { 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; // 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/base64-arraybuffer/lib/base64-arraybuffer.js": /*!*******************************************************************!*\ !*** ./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 () { "use strict"; var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; // Use a lookup table to find the index. var lookup = new Uint8Array(256); for (var i = 0; i < chars.length; i++) { lookup[chars.charCodeAt(i)] = i; } 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 = lookup[base64.charCodeAt(i)]; encoded2 = lookup[base64.charCodeAt(i + 1)]; encoded3 = lookup[base64.charCodeAt(i + 2)]; encoded4 = lookup[base64.charCodeAt(i + 3)]; bytes[p++] = encoded1 << 2 | encoded2 >> 4; bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2; bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63; } return arraybuffer; }; })(); /***/ }), /***/ "./node_modules/component-bind/index.js": /*!**********************************************!*\ !*** ./node_modules/component-bind/index.js ***! \**********************************************/ /*! no static exports found */ /***/ (function(module, exports) { /** * Slice reference. */ var slice = [].slice; /** * Bind `obj` to `fn`. * * @param {Object} obj * @param {Function|String} fn or string * @return {Function} * @api public */ module.exports = function (obj, fn) { if ('string' == typeof fn) fn = obj[fn]; if ('function' != typeof fn) throw new Error('bind() requires a function'); var args = slice.call(arguments, 2); return function () { return fn.apply(obj, args.concat(slice.call(arguments))); }; }; /***/ }), /***/ "./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__) { /* WEBPACK VAR INJECTION */(function(process) {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); } /* eslint-env browser */ /** * This is the web browser implementation of `debug()`. */ exports.log = log; exports.formatArgs = formatArgs; exports.save = save; exports.load = load; exports.useColors = useColors; exports.storage = localstorage(); /** * 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.log()` when available. * No-op when `console.log` is not a "function". * * @api public */ function log() { var _console; // This hackery is required for IE8/9, where // the `console.log` function doesn't have 'apply' return (typeof console === "undefined" ? "undefined" : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments); } /** * 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; } }; /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../process/browser.js */ "./node_modules/process/browser.js"))) /***/ }), /***/ "./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"); Object.keys(env).forEach(function (key) { createDebug[key] = env[key]; }); /** * Active `debug` instances. */ createDebug.instances = []; /** * 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; 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 match; } 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.enabled = createDebug.enabled(namespace); debug.useColors = createDebug.useColors(); debug.color = selectColor(namespace); debug.destroy = destroy; debug.extend = extend; // Debug.formatArgs = formatArgs; // debug.rawLog = rawLog; // env-specific initialization logic for debug instances if (typeof createDebug.init === 'function') { createDebug.init(debug); } createDebug.instances.push(debug); return debug; } function destroy() { var index = createDebug.instances.indexOf(this); if (index !== -1) { createDebug.instances.splice(index, 1); return true; } return false; } 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) + '$')); } else { createDebug.names.push(new RegExp('^' + namespaces + '$')); } } for (i = 0; i < createDebug.instances.length; i++) { var instance = createDebug.instances[i]; instance.enabled = createDebug.enabled(instance.namespace); } } /** * 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; } 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", policyPort: 843, 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 = '