/*!
* Socket.IO v4.0.1
* (c) 2014-2021 Guillermo Rauch
* Released under the MIT License.
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else if(typeof exports === 'object')
exports["io"] = factory();
else
root["io"] = factory();
})(self, function() {
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/***/ "./build/index.js":
/*!************************!*\
!*** ./build/index.js ***!
\************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Socket = exports.io = exports.Manager = exports.protocol = void 0;
var url_1 = __webpack_require__(/*! ./url */ "./build/url.js");
var manager_1 = __webpack_require__(/*! ./manager */ "./build/manager.js");
var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js");
Object.defineProperty(exports, "Socket", {
enumerable: true,
get: function get() {
return socket_1.Socket;
}
});
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client");
/**
* Module exports.
*/
module.exports = exports = lookup;
/**
* Managers cache.
*/
var cache = exports.managers = {};
function lookup(uri, opts) {
if (_typeof(uri) === "object") {
opts = uri;
uri = undefined;
}
opts = opts || {};
var parsed = url_1.url(uri, opts.path);
var source = parsed.source;
var id = parsed.id;
var path = parsed.path;
var sameNamespace = cache[id] && path in cache[id]["nsps"];
var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace;
var io;
if (newConnection) {
debug("ignoring socket cache for %s", source);
io = new manager_1.Manager(source, opts);
} else {
if (!cache[id]) {
debug("new io instance for %s", source);
cache[id] = new manager_1.Manager(source, opts);
}
io = cache[id];
}
if (parsed.query && !opts.query) {
opts.query = parsed.queryKey;
}
return io.socket(parsed.path, opts);
}
exports.io = lookup;
/**
* Protocol version.
*
* @public
*/
var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
Object.defineProperty(exports, "protocol", {
enumerable: true,
get: function get() {
return socket_io_parser_1.protocol;
}
});
/**
* `connect`.
*
* @param {String} uri
* @public
*/
exports.connect = lookup;
/**
* Expose constructors for standalone build.
*
* @public
*/
var manager_2 = __webpack_require__(/*! ./manager */ "./build/manager.js");
Object.defineProperty(exports, "Manager", {
enumerable: true,
get: function get() {
return manager_2.Manager;
}
});
exports["default"] = lookup;
/***/ }),
/***/ "./build/manager.js":
/*!**************************!*\
!*** ./build/manager.js ***!
\**************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Manager = void 0;
var eio = __webpack_require__(/*! engine.io-client */ "./node_modules/engine.io-client/lib/index.js");
var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js");
var parser = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
var on_1 = __webpack_require__(/*! ./on */ "./build/on.js");
var Backoff = __webpack_require__(/*! backo2 */ "./node_modules/backo2/index.js");
var typed_events_1 = __webpack_require__(/*! ./typed-events */ "./build/typed-events.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:manager");
var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
_inherits(Manager, _typed_events_1$Stric);
var _super = _createSuper(Manager);
function Manager(uri, opts) {
var _this;
_classCallCheck(this, Manager);
_this = _super.call(this);
_this.nsps = {};
_this.subs = [];
if (uri && "object" === _typeof(uri)) {
opts = uri;
uri = undefined;
}
opts = opts || {};
opts.path = opts.path || "/socket.io";
_this.opts = opts;
_this.reconnection(opts.reconnection !== false);
_this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
_this.reconnectionDelay(opts.reconnectionDelay || 1000);
_this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
_this.randomizationFactor(opts.randomizationFactor || 0.5);
_this.backoff = new Backoff({
min: _this.reconnectionDelay(),
max: _this.reconnectionDelayMax(),
jitter: _this.randomizationFactor()
});
_this.timeout(null == opts.timeout ? 20000 : opts.timeout);
_this._readyState = "closed";
_this.uri = uri;
var _parser = opts.parser || parser;
_this.encoder = new _parser.Encoder();
_this.decoder = new _parser.Decoder();
_this._autoConnect = opts.autoConnect !== false;
if (_this._autoConnect) _this.open();
return _this;
}
_createClass(Manager, [{
key: "reconnection",
value: function reconnection(v) {
if (!arguments.length) return this._reconnection;
this._reconnection = !!v;
return this;
}
}, {
key: "reconnectionAttempts",
value: function reconnectionAttempts(v) {
if (v === undefined) return this._reconnectionAttempts;
this._reconnectionAttempts = v;
return this;
}
}, {
key: "reconnectionDelay",
value: function reconnectionDelay(v) {
var _a;
if (v === undefined) return this._reconnectionDelay;
this._reconnectionDelay = v;
(_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);
return this;
}
}, {
key: "randomizationFactor",
value: function randomizationFactor(v) {
var _a;
if (v === undefined) return this._randomizationFactor;
this._randomizationFactor = v;
(_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);
return this;
}
}, {
key: "reconnectionDelayMax",
value: function reconnectionDelayMax(v) {
var _a;
if (v === undefined) return this._reconnectionDelayMax;
this._reconnectionDelayMax = v;
(_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);
return this;
}
}, {
key: "timeout",
value: function timeout(v) {
if (!arguments.length) return this._timeout;
this._timeout = v;
return this;
}
/**
* Starts trying to reconnect if reconnection is enabled and we have not
* started reconnecting yet
*
* @private
*/
}, {
key: "maybeReconnectOnOpen",
value: function maybeReconnectOnOpen() {
// Only try to reconnect if it's the first time we're connecting
if (!this._reconnecting && this._reconnection && this.backoff.attempts === 0) {
// keeps reconnection from firing twice for the same reconnection loop
this.reconnect();
}
}
/**
* Sets the current transport `socket`.
*
* @param {Function} fn - optional, callback
* @return self
* @public
*/
}, {
key: "open",
value: function open(fn) {
var _this2 = this;
debug("readyState %s", this._readyState);
if (~this._readyState.indexOf("open")) return this;
debug("opening %s", this.uri);
this.engine = eio(this.uri, this.opts);
var socket = this.engine;
var self = this;
this._readyState = "opening";
this.skipReconnect = false; // emit `open`
var openSubDestroy = on_1.on(socket, "open", function () {
self.onopen();
fn && fn();
}); // emit `error`
var errorSub = on_1.on(socket, "error", function (err) {
debug("error");
self.cleanup();
self._readyState = "closed";
_this2.emitReserved("error", err);
if (fn) {
fn(err);
} else {
// Only do this if there is no fn to handle the error
self.maybeReconnectOnOpen();
}
});
if (false !== this._timeout) {
var timeout = this._timeout;
debug("connect attempt will timeout after %d", timeout);
if (timeout === 0) {
openSubDestroy(); // prevents a race condition with the 'open' event
} // set timer
var timer = setTimeout(function () {
debug("connect attempt timed out after %d", timeout);
openSubDestroy();
socket.close();
socket.emit("error", new Error("timeout"));
}, timeout);
if (this.opts.autoUnref) {
timer.unref();
}
this.subs.push(function subDestroy() {
clearTimeout(timer);
});
}
this.subs.push(openSubDestroy);
this.subs.push(errorSub);
return this;
}
/**
* Alias for open()
*
* @return self
* @public
*/
}, {
key: "connect",
value: function connect(fn) {
return this.open(fn);
}
/**
* Called upon transport open.
*
* @private
*/
}, {
key: "onopen",
value: function onopen() {
debug("open"); // clear old subs
this.cleanup(); // mark as open
this._readyState = "open";
this.emitReserved("open"); // add new subs
var socket = this.engine;
this.subs.push(on_1.on(socket, "ping", this.onping.bind(this)), on_1.on(socket, "data", this.ondata.bind(this)), on_1.on(socket, "error", this.onerror.bind(this)), on_1.on(socket, "close", this.onclose.bind(this)), on_1.on(this.decoder, "decoded", this.ondecoded.bind(this)));
}
/**
* Called upon a ping.
*
* @private
*/
}, {
key: "onping",
value: function onping() {
this.emitReserved("ping");
}
/**
* Called with data.
*
* @private
*/
}, {
key: "ondata",
value: function ondata(data) {
this.decoder.add(data);
}
/**
* Called when parser fully decodes a packet.
*
* @private
*/
}, {
key: "ondecoded",
value: function ondecoded(packet) {
this.emitReserved("packet", packet);
}
/**
* Called upon socket error.
*
* @private
*/
}, {
key: "onerror",
value: function onerror(err) {
debug("error", err);
this.emitReserved("error", err);
}
/**
* Creates a new socket for the given `nsp`.
*
* @return {Socket}
* @public
*/
}, {
key: "socket",
value: function socket(nsp, opts) {
var socket = this.nsps[nsp];
if (!socket) {
socket = new socket_1.Socket(this, nsp, opts);
this.nsps[nsp] = socket;
}
return socket;
}
/**
* Called upon a socket close.
*
* @param socket
* @private
*/
}, {
key: "_destroy",
value: function _destroy(socket) {
var nsps = Object.keys(this.nsps);
for (var _i = 0, _nsps = nsps; _i < _nsps.length; _i++) {
var nsp = _nsps[_i];
var _socket = this.nsps[nsp];
if (_socket.active) {
debug("socket %s is still active, skipping close", nsp);
return;
}
}
this._close();
}
/**
* Writes a packet.
*
* @param packet
* @private
*/
}, {
key: "_packet",
value: function _packet(packet) {
debug("writing packet %j", packet);
var encodedPackets = this.encoder.encode(packet);
for (var i = 0; i < encodedPackets.length; i++) {
this.engine.write(encodedPackets[i], packet.options);
}
}
/**
* Clean up transport subscriptions and packet buffer.
*
* @private
*/
}, {
key: "cleanup",
value: function cleanup() {
debug("cleanup");
this.subs.forEach(function (subDestroy) {
return subDestroy();
});
this.subs.length = 0;
this.decoder.destroy();
}
/**
* Close the current socket.
*
* @private
*/
}, {
key: "_close",
value: function _close() {
debug("disconnect");
this.skipReconnect = true;
this._reconnecting = false;
if ("opening" === this._readyState) {
// `onclose` will not fire because
// an open event never happened
this.cleanup();
}
this.backoff.reset();
this._readyState = "closed";
if (this.engine) this.engine.close();
}
/**
* Alias for close()
*
* @private
*/
}, {
key: "disconnect",
value: function disconnect() {
return this._close();
}
/**
* Called upon engine close.
*
* @private
*/
}, {
key: "onclose",
value: function onclose(reason) {
debug("onclose");
this.cleanup();
this.backoff.reset();
this._readyState = "closed";
this.emitReserved("close", reason);
if (this._reconnection && !this.skipReconnect) {
this.reconnect();
}
}
/**
* Attempt a reconnection.
*
* @private
*/
}, {
key: "reconnect",
value: function reconnect() {
var _this3 = this;
if (this._reconnecting || this.skipReconnect) return this;
var self = this;
if (this.backoff.attempts >= this._reconnectionAttempts) {
debug("reconnect failed");
this.backoff.reset();
this.emitReserved("reconnect_failed");
this._reconnecting = false;
} else {
var delay = this.backoff.duration();
debug("will wait %dms before reconnect attempt", delay);
this._reconnecting = true;
var timer = setTimeout(function () {
if (self.skipReconnect) return;
debug("attempting reconnect");
_this3.emitReserved("reconnect_attempt", self.backoff.attempts); // check again for the case socket closed in above events
if (self.skipReconnect) return;
self.open(function (err) {
if (err) {
debug("reconnect attempt error");
self._reconnecting = false;
self.reconnect();
_this3.emitReserved("reconnect_error", err);
} else {
debug("reconnect success");
self.onreconnect();
}
});
}, delay);
if (this.opts.autoUnref) {
timer.unref();
}
this.subs.push(function subDestroy() {
clearTimeout(timer);
});
}
}
/**
* Called upon successful reconnect.
*
* @private
*/
}, {
key: "onreconnect",
value: function onreconnect() {
var attempt = this.backoff.attempts;
this._reconnecting = false;
this.backoff.reset();
this.emitReserved("reconnect", attempt);
}
}]);
return Manager;
}(typed_events_1.StrictEventEmitter);
exports.Manager = Manager;
/***/ }),
/***/ "./build/on.js":
/*!*********************!*\
!*** ./build/on.js ***!
\*********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.on = void 0;
function on(obj, ev, fn) {
obj.on(ev, fn);
return function subDestroy() {
obj.off(ev, fn);
};
}
exports.on = on;
/***/ }),
/***/ "./build/socket.js":
/*!*************************!*\
!*** ./build/socket.js ***!
\*************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Socket = void 0;
var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
var on_1 = __webpack_require__(/*! ./on */ "./build/on.js");
var typed_events_1 = __webpack_require__(/*! ./typed-events */ "./build/typed-events.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:socket");
/**
* Internal events.
* These events can't be emitted by the user.
*/
var RESERVED_EVENTS = Object.freeze({
connect: 1,
connect_error: 1,
disconnect: 1,
disconnecting: 1,
// EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener
newListener: 1,
removeListener: 1
});
var Socket = /*#__PURE__*/function (_typed_events_1$Stric) {
_inherits(Socket, _typed_events_1$Stric);
var _super = _createSuper(Socket);
/**
* `Socket` constructor.
*
* @public
*/
function Socket(io, nsp, opts) {
var _this;
_classCallCheck(this, Socket);
_this = _super.call(this);
_this.receiveBuffer = [];
_this.sendBuffer = [];
_this.ids = 0;
_this.acks = {};
_this.flags = {};
_this.io = io;
_this.nsp = nsp;
_this.ids = 0;
_this.acks = {};
_this.receiveBuffer = [];
_this.sendBuffer = [];
_this.connected = false;
_this.disconnected = true;
_this.flags = {};
if (opts && opts.auth) {
_this.auth = opts.auth;
}
if (_this.io._autoConnect) _this.open();
return _this;
}
/**
* Subscribe to open, close and packet events
*
* @private
*/
_createClass(Socket, [{
key: "subEvents",
value: function subEvents() {
if (this.subs) return;
var io = this.io;
this.subs = [on_1.on(io, "open", this.onopen.bind(this)), on_1.on(io, "packet", this.onpacket.bind(this)), on_1.on(io, "error", this.onerror.bind(this)), on_1.on(io, "close", this.onclose.bind(this))];
}
/**
* Whether the Socket will try to reconnect when its Manager connects or reconnects
*/
}, {
key: "connect",
/**
* "Opens" the socket.
*
* @public
*/
value: function connect() {
if (this.connected) return this;
this.subEvents();
if (!this.io["_reconnecting"]) this.io.open(); // ensure open
if ("open" === this.io._readyState) this.onopen();
return this;
}
/**
* Alias for connect()
*/
}, {
key: "open",
value: function open() {
return this.connect();
}
/**
* Sends a `message` event.
*
* @return self
* @public
*/
}, {
key: "send",
value: function send() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
args.unshift("message");
this.emit.apply(this, args);
return this;
}
/**
* Override `emit`.
* If the event is in `events`, it's emitted normally.
*
* @return self
* @public
*/
}, {
key: "emit",
value: function emit(ev) {
if (RESERVED_EVENTS.hasOwnProperty(ev)) {
throw new Error('"' + ev + '" is a reserved event name');
}
for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
args[_key2 - 1] = arguments[_key2];
}
args.unshift(ev);
var packet = {
type: socket_io_parser_1.PacketType.EVENT,
data: args
};
packet.options = {};
packet.options.compress = this.flags.compress !== false; // event ack callback
if ("function" === typeof args[args.length - 1]) {
debug("emitting packet with ack id %d", this.ids);
this.acks[this.ids] = args.pop();
packet.id = this.ids++;
}
var isTransportWritable = this.io.engine && this.io.engine.transport && this.io.engine.transport.writable;
var discardPacket = this.flags["volatile"] && (!isTransportWritable || !this.connected);
if (discardPacket) {
debug("discard packet as the transport is not currently writable");
} else if (this.connected) {
this.packet(packet);
} else {
this.sendBuffer.push(packet);
}
this.flags = {};
return this;
}
/**
* Sends a packet.
*
* @param packet
* @private
*/
}, {
key: "packet",
value: function packet(_packet) {
_packet.nsp = this.nsp;
this.io._packet(_packet);
}
/**
* Called upon engine `open`.
*
* @private
*/
}, {
key: "onopen",
value: function onopen() {
var _this2 = this;
debug("transport is open - connecting");
if (typeof this.auth == "function") {
this.auth(function (data) {
_this2.packet({
type: socket_io_parser_1.PacketType.CONNECT,
data: data
});
});
} else {
this.packet({
type: socket_io_parser_1.PacketType.CONNECT,
data: this.auth
});
}
}
/**
* Called upon engine or manager `error`.
*
* @param err
* @private
*/
}, {
key: "onerror",
value: function onerror(err) {
if (!this.connected) {
this.emitReserved("connect_error", err);
}
}
/**
* Called upon engine `close`.
*
* @param reason
* @private
*/
}, {
key: "onclose",
value: function onclose(reason) {
debug("close (%s)", reason);
this.connected = false;
this.disconnected = true;
delete this.id;
this.emitReserved("disconnect", reason);
}
/**
* Called with socket packet.
*
* @param packet
* @private
*/
}, {
key: "onpacket",
value: function onpacket(packet) {
var sameNamespace = packet.nsp === this.nsp;
if (!sameNamespace) return;
switch (packet.type) {
case socket_io_parser_1.PacketType.CONNECT:
if (packet.data && packet.data.sid) {
var id = packet.data.sid;
this.onconnect(id);
} else {
this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));
}
break;
case socket_io_parser_1.PacketType.EVENT:
this.onevent(packet);
break;
case socket_io_parser_1.PacketType.BINARY_EVENT:
this.onevent(packet);
break;
case socket_io_parser_1.PacketType.ACK:
this.onack(packet);
break;
case socket_io_parser_1.PacketType.BINARY_ACK:
this.onack(packet);
break;
case socket_io_parser_1.PacketType.DISCONNECT:
this.ondisconnect();
break;
case socket_io_parser_1.PacketType.CONNECT_ERROR:
var err = new Error(packet.data.message); // @ts-ignore
err.data = packet.data.data;
this.emitReserved("connect_error", err);
break;
}
}
/**
* Called upon a server event.
*
* @param packet
* @private
*/
}, {
key: "onevent",
value: function onevent(packet) {
var args = packet.data || [];
debug("emitting event %j", args);
if (null != packet.id) {
debug("attaching ack callback to event");
args.push(this.ack(packet.id));
}
if (this.connected) {
this.emitEvent(args);
} else {
this.receiveBuffer.push(Object.freeze(args));
}
}
}, {
key: "emitEvent",
value: function emitEvent(args) {
if (this._anyListeners && this._anyListeners.length) {
var listeners = this._anyListeners.slice();
var _iterator = _createForOfIteratorHelper(listeners),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var listener = _step.value;
listener.apply(this, args);
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
}
_get(_getPrototypeOf(Socket.prototype), "emit", this).apply(this, args);
}
/**
* Produces an ack callback to emit with an event.
*
* @private
*/
}, {
key: "ack",
value: function ack(id) {
var self = this;
var sent = false;
return function () {
// prevent double callbacks
if (sent) return;
sent = true;
for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
args[_key3] = arguments[_key3];
}
debug("sending ack %j", args);
self.packet({
type: socket_io_parser_1.PacketType.ACK,
id: id,
data: args
});
};
}
/**
* Called upon a server acknowlegement.
*
* @param packet
* @private
*/
}, {
key: "onack",
value: function onack(packet) {
var ack = this.acks[packet.id];
if ("function" === typeof ack) {
debug("calling ack %s with %j", packet.id, packet.data);
ack.apply(this, packet.data);
delete this.acks[packet.id];
} else {
debug("bad ack %s", packet.id);
}
}
/**
* Called upon server connect.
*
* @private
*/
}, {
key: "onconnect",
value: function onconnect(id) {
debug("socket connected with id %s", id);
this.id = id;
this.connected = true;
this.disconnected = false;
this.emitReserved("connect");
this.emitBuffered();
}
/**
* Emit buffered events (received and emitted).
*
* @private
*/
}, {
key: "emitBuffered",
value: function emitBuffered() {
var _this3 = this;
this.receiveBuffer.forEach(function (args) {
return _this3.emitEvent(args);
});
this.receiveBuffer = [];
this.sendBuffer.forEach(function (packet) {
return _this3.packet(packet);
});
this.sendBuffer = [];
}
/**
* Called upon server disconnect.
*
* @private
*/
}, {
key: "ondisconnect",
value: function ondisconnect() {
debug("server disconnect (%s)", this.nsp);
this.destroy();
this.onclose("io server disconnect");
}
/**
* Called upon forced client/server side disconnections,
* this method ensures the manager stops tracking us and
* that reconnections don't get triggered for this.
*
* @private
*/
}, {
key: "destroy",
value: function destroy() {
if (this.subs) {
// clean subscriptions to avoid reconnections
this.subs.forEach(function (subDestroy) {
return subDestroy();
});
this.subs = undefined;
}
this.io["_destroy"](this);
}
/**
* Disconnects the socket manually.
*
* @return self
* @public
*/
}, {
key: "disconnect",
value: function disconnect() {
if (this.connected) {
debug("performing disconnect (%s)", this.nsp);
this.packet({
type: socket_io_parser_1.PacketType.DISCONNECT
});
} // remove socket from pool
this.destroy();
if (this.connected) {
// fire events
this.onclose("io client disconnect");
}
return this;
}
/**
* Alias for disconnect()
*
* @return self
* @public
*/
}, {
key: "close",
value: function close() {
return this.disconnect();
}
/**
* Sets the compress flag.
*
* @param compress - if `true`, compresses the sending data
* @return self
* @public
*/
}, {
key: "compress",
value: function compress(_compress) {
this.flags.compress = _compress;
return this;
}
/**
* Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
* ready to send messages.
*
* @returns self
* @public
*/
}, {
key: "onAny",
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback.
*
* @param listener
* @public
*/
value: function onAny(listener) {
this._anyListeners = this._anyListeners || [];
this._anyListeners.push(listener);
return this;
}
/**
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
* callback. The listener is added to the beginning of the listeners array.
*
* @param listener
* @public
*/
}, {
key: "prependAny",
value: function prependAny(listener) {
this._anyListeners = this._anyListeners || [];
this._anyListeners.unshift(listener);
return this;
}
/**
* Removes the listener that will be fired when any event is emitted.
*
* @param listener
* @public
*/
}, {
key: "offAny",
value: function offAny(listener) {
if (!this._anyListeners) {
return this;
}
if (listener) {
var listeners = this._anyListeners;
for (var i = 0; i < listeners.length; i++) {
if (listener === listeners[i]) {
listeners.splice(i, 1);
return this;
}
}
} else {
this._anyListeners = [];
}
return this;
}
/**
* Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
* e.g. to remove listeners.
*
* @public
*/
}, {
key: "listenersAny",
value: function listenersAny() {
return this._anyListeners || [];
}
}, {
key: "active",
get: function get() {
return !!this.subs;
}
}, {
key: "volatile",
get: function get() {
this.flags["volatile"] = true;
return this;
}
}]);
return Socket;
}(typed_events_1.StrictEventEmitter);
exports.Socket = Socket;
/***/ }),
/***/ "./build/typed-events.js":
/*!*******************************!*\
!*** ./build/typed-events.js ***!
\*******************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.StrictEventEmitter = void 0;
var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
/**
* Strictly typed version of an `EventEmitter`. A `TypedEventEmitter` takes type
* parameters for mappings of event names to event data types, and strictly
* types method calls to the `EventEmitter` according to these event maps.
*
* @typeParam ListenEvents - `EventsMap` of user-defined events that can be
* listened to with `on` or `once`
* @typeParam EmitEvents - `EventsMap` of user-defined events that can be
* emitted with `emit`
* @typeParam ReservedEvents - `EventsMap` of reserved events, that can be
* emitted by socket.io with `emitReserved`, and can be listened to with
* `listen`.
*/
var StrictEventEmitter = /*#__PURE__*/function (_Emitter) {
_inherits(StrictEventEmitter, _Emitter);
var _super = _createSuper(StrictEventEmitter);
function StrictEventEmitter() {
_classCallCheck(this, StrictEventEmitter);
return _super.apply(this, arguments);
}
_createClass(StrictEventEmitter, [{
key: "on",
/**
* Adds the `listener` function as an event listener for `ev`.
*
* @param ev Name of the event
* @param listener Callback function
*/
value: function on(ev, listener) {
_get(_getPrototypeOf(StrictEventEmitter.prototype), "on", this).call(this, ev, listener);
return this;
}
/**
* Adds a one-time `listener` function as an event listener for `ev`.
*
* @param ev Name of the event
* @param listener Callback function
*/
}, {
key: "once",
value: function once(ev, listener) {
_get(_getPrototypeOf(StrictEventEmitter.prototype), "once", this).call(this, ev, listener);
return this;
}
/**
* Emits an event.
*
* @param ev Name of the event
* @param args Values to send to listeners of this event
*/
}, {
key: "emit",
value: function emit(ev) {
var _get2;
for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
(_get2 = _get(_getPrototypeOf(StrictEventEmitter.prototype), "emit", this)).call.apply(_get2, [this, ev].concat(args));
return this;
}
/**
* Emits a reserved event.
*
* This method is `protected`, so that only a class extending
* `StrictEventEmitter` can emit its own reserved events.
*
* @param ev Reserved event name
* @param args Arguments to emit along with the event
*/
}, {
key: "emitReserved",
value: function emitReserved(ev) {
var _get3;
for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
args[_key2 - 1] = arguments[_key2];
}
(_get3 = _get(_getPrototypeOf(StrictEventEmitter.prototype), "emit", this)).call.apply(_get3, [this, ev].concat(args));
return this;
}
/**
* Returns the listeners listening to an event.
*
* @param event Event name
* @returns Array of listeners subscribed to `event`
*/
}, {
key: "listeners",
value: function listeners(event) {
return _get(_getPrototypeOf(StrictEventEmitter.prototype), "listeners", this).call(this, event);
}
}]);
return StrictEventEmitter;
}(Emitter);
exports.StrictEventEmitter = StrictEventEmitter;
/***/ }),
/***/ "./build/url.js":
/*!**********************!*\
!*** ./build/url.js ***!
\**********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.url = void 0;
var parseuri = __webpack_require__(/*! parseuri */ "./node_modules/parseuri/index.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:url");
/**
* URL parser.
*
* @param uri - url
* @param path - the request path of the connection
* @param loc - An object meant to mimic window.location.
* Defaults to window.location.
* @public
*/
function url(uri) {
var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
var loc = arguments.length > 2 ? arguments[2] : undefined;
var obj = uri; // default to window.location
loc = loc || typeof location !== "undefined" && location;
if (null == uri) uri = loc.protocol + "//" + loc.host; // relative path support
if (typeof uri === "string") {
if ("/" === uri.charAt(0)) {
if ("/" === uri.charAt(1)) {
uri = loc.protocol + uri;
} else {
uri = loc.host + uri;
}
}
if (!/^(https?|wss?):\/\//.test(uri)) {
debug("protocol-less url %s", uri);
if ("undefined" !== typeof loc) {
uri = loc.protocol + "//" + uri;
} else {
uri = "https://" + uri;
}
} // parse
debug("parse %s", uri);
obj = parseuri(uri);
} // make sure we treat `localhost:80` and `localhost` equally
if (!obj.port) {
if (/^(http|ws)$/.test(obj.protocol)) {
obj.port = "80";
} else if (/^(http|ws)s$/.test(obj.protocol)) {
obj.port = "443";
}
}
obj.path = obj.path || "/";
var ipv6 = obj.host.indexOf(":") !== -1;
var host = ipv6 ? "[" + obj.host + "]" : obj.host; // define unique id
obj.id = obj.protocol + "://" + host + ":" + obj.port + path; // define href
obj.href = obj.protocol + "://" + host + (loc && loc.port === obj.port ? "" : ":" + obj.port);
return obj;
}
exports.url = url;
/***/ }),
/***/ "./node_modules/backo2/index.js":
/*!**************************************!*\
!*** ./node_modules/backo2/index.js ***!
\**************************************/
/*! no static exports found */
/***/ (function(module, exports) {
/**
* Expose `Backoff`.
*/
module.exports = Backoff;
/**
* Initialize backoff timer with `opts`.
*
* - `min` initial timeout in milliseconds [100]
* - `max` max timeout [10000]
* - `jitter` [0]
* - `factor` [2]
*
* @param {Object} opts
* @api public
*/
function Backoff(opts) {
opts = opts || {};
this.ms = opts.min || 100;
this.max = opts.max || 10000;
this.factor = opts.factor || 2;
this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
this.attempts = 0;
}
/**
* Return the backoff duration.
*
* @return {Number}
* @api public
*/
Backoff.prototype.duration = function () {
var ms = this.ms * Math.pow(this.factor, this.attempts++);
if (this.jitter) {
var rand = Math.random();
var deviation = Math.floor(rand * this.jitter * ms);
ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
}
return Math.min(ms, this.max) | 0;
};
/**
* Reset the number of attempts.
*
* @api public
*/
Backoff.prototype.reset = function () {
this.attempts = 0;
};
/**
* Set the minimum duration
*
* @api public
*/
Backoff.prototype.setMin = function (min) {
this.ms = min;
};
/**
* Set the maximum duration
*
* @api public
*/
Backoff.prototype.setMax = function (max) {
this.max = max;
};
/**
* Set the jitter
*
* @api public
*/
Backoff.prototype.setJitter = function (jitter) {
this.jitter = jitter;
};
/***/ }),
/***/ "./node_modules/component-emitter/index.js":
/*!*************************************************!*\
!*** ./node_modules/component-emitter/index.js ***!
\*************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
/**
* Expose `Emitter`.
*/
if (true) {
module.exports = Emitter;
}
/**
* Initialize a new `Emitter`.
*
* @api public
*/
function Emitter(obj) {
if (obj) return mixin(obj);
}
;
/**
* Mixin the emitter properties.
*
* @param {Object} obj
* @return {Object}
* @api private
*/
function mixin(obj) {
for (var key in Emitter.prototype) {
obj[key] = Emitter.prototype[key];
}
return obj;
}
/**
* Listen on the given `event` with `fn`.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
this._callbacks = this._callbacks || {};
(this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn);
return this;
};
/**
* Adds an `event` listener that will be invoked a single
* time then automatically removed.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.once = function (event, fn) {
function on() {
this.off(event, on);
fn.apply(this, arguments);
}
on.fn = fn;
this.on(event, on);
return this;
};
/**
* Remove the given callback for `event` or all
* registered callbacks.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
this._callbacks = this._callbacks || {}; // all
if (0 == arguments.length) {
this._callbacks = {};
return this;
} // specific event
var callbacks = this._callbacks['$' + event];
if (!callbacks) return this; // remove all handlers
if (1 == arguments.length) {
delete this._callbacks['$' + event];
return this;
} // remove specific handler
var cb;
for (var i = 0; i < callbacks.length; i++) {
cb = callbacks[i];
if (cb === fn || cb.fn === fn) {
callbacks.splice(i, 1);
break;
}
} // Remove event specific arrays for event types that no
// one is subscribed for to avoid memory leak.
if (callbacks.length === 0) {
delete this._callbacks['$' + event];
}
return this;
};
/**
* Emit `event` with the given args.
*
* @param {String} event
* @param {Mixed} ...
* @return {Emitter}
*/
Emitter.prototype.emit = function (event) {
this._callbacks = this._callbacks || {};
var args = new Array(arguments.length - 1),
callbacks = this._callbacks['$' + event];
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
if (callbacks) {
callbacks = callbacks.slice(0);
for (var i = 0, len = callbacks.length; i < len; ++i) {
callbacks[i].apply(this, args);
}
}
return this;
};
/**
* Return array of callbacks for `event`.
*
* @param {String} event
* @return {Array}
* @api public
*/
Emitter.prototype.listeners = function (event) {
this._callbacks = this._callbacks || {};
return this._callbacks['$' + event] || [];
};
/**
* Check if this emitter has `event` handlers.
*
* @param {String} event
* @return {Boolean}
* @api public
*/
Emitter.prototype.hasListeners = function (event) {
return !!this.listeners(event).length;
};
/***/ }),
/***/ "./node_modules/debug/src/browser.js":
/*!*******************************************!*\
!*** ./node_modules/debug/src/browser.js ***!
\*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
/* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = localstorage();
exports.destroy = function () {
var warned = false;
return function () {
if (!warned) {
warned = true;
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
};
}();
/**
* Colors.
*/
exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
// eslint-disable-next-line complexity
function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
return true;
} // Internet Explorer and Edge do not support colors.
if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
return false;
} // Is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773
typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker
typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
if (!this.useColors) {
return;
}
var c = 'color: ' + this.color;
args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
var index = 0;
var lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, function (match) {
if (match === '%%') {
return;
}
index++;
if (match === '%c') {
// We only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.debug()` when available.
* No-op when `console.debug` is not a "function".
* If `console.debug` is not available, falls back
* to `console.log`.
*
* @api public
*/
exports.log = console.debug || console.log || function () {};
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
var r;
try {
r = exports.storage.getItem('debug');
} catch (error) {// Swallow
// XXX (@Qix-) should we be logging these?
} // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== 'undefined' && 'env' in process) {
r = process.env.DEBUG;
}
return r;
}
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = __webpack_require__(/*! ./common */ "./node_modules/debug/src/common.js")(exports);
var formatters = module.exports.formatters;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};
/***/ }),
/***/ "./node_modules/debug/src/common.js":
/*!******************************************!*\
!*** ./node_modules/debug/src/common.js ***!
\******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug["default"] = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = __webpack_require__(/*! ms */ "./node_modules/ms/index.js");
createDebug.destroy = destroy;
Object.keys(env).forEach(function (key) {
createDebug[key] = env[key];
});
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
var hash = 0;
for (var i = 0; i < namespace.length; i++) {
hash = (hash << 5) - hash + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
var prevTime;
var enableOverride = null;
function debug() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
// Disabled?
if (!debug.enabled) {
return;
}
var self = debug; // Set `diff` timestamp
var curr = Number(new Date());
var ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// Anything else let's inspect with %O
args.unshift('%O');
} // Apply any `formatters` transformations
var index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {
// If we encounter an escaped % then don't increase the array index
if (match === '%%') {
return '%';
}
index++;
var formatter = createDebug.formatters[format];
if (typeof formatter === 'function') {
var val = args[index];
match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
}); // Apply env-specific formatting (colors, etc.)
createDebug.formatArgs.call(self, args);
var logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.useColors = createDebug.useColors();
debug.color = createDebug.selectColor(namespace);
debug.extend = extend;
debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
Object.defineProperty(debug, 'enabled', {
enumerable: true,
configurable: false,
get: function get() {
return enableOverride === null ? createDebug.enabled(namespace) : enableOverride;
},
set: function set(v) {
enableOverride = v;
}
}); // Env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
return debug;
}
function extend(namespace, delimiter) {
var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.names = [];
createDebug.skips = [];
var i;
var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
var len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) {
return '-' + namespace;
}))).join(',');
createDebug.enable('');
return namespaces;
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
if (name[name.length - 1] === '*') {
return true;
}
var i;
var len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Convert regexp to namespace
*
* @param {RegExp} regxep
* @return {String} namespace
* @api private
*/
function toNamespace(regexp) {
return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
/**
* XXX DO NOT USE. This is a temporary stub function.
* XXX It WILL be removed in the next major release.
*/
function destroy() {
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;
/***/ }),
/***/ "./node_modules/engine.io-client/lib/globalThis.browser.js":
/*!*****************************************************************!*\
!*** ./node_modules/engine.io-client/lib/globalThis.browser.js ***!
\*****************************************************************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = function () {
if (typeof self !== "undefined") {
return self;
} else if (typeof window !== "undefined") {
return window;
} else {
return Function("return this")();
}
}();
/***/ }),
/***/ "./node_modules/engine.io-client/lib/index.js":
/*!****************************************************!*\
!*** ./node_modules/engine.io-client/lib/index.js ***!
\****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var Socket = __webpack_require__(/*! ./socket */ "./node_modules/engine.io-client/lib/socket.js");
module.exports = function (uri, opts) {
return new Socket(uri, opts);
};
/**
* Expose deps for legacy compatibility
* and standalone browser access.
*/
module.exports.Socket = Socket;
module.exports.protocol = Socket.protocol; // this is an int
module.exports.Transport = __webpack_require__(/*! ./transport */ "./node_modules/engine.io-client/lib/transport.js");
module.exports.transports = __webpack_require__(/*! ./transports/index */ "./node_modules/engine.io-client/lib/transports/index.js");
module.exports.parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
/***/ }),
/***/ "./node_modules/engine.io-client/lib/socket.js":
/*!*****************************************************!*\
!*** ./node_modules/engine.io-client/lib/socket.js ***!
\*****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var transports = __webpack_require__(/*! ./transports/index */ "./node_modules/engine.io-client/lib/transports/index.js");
var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:socket");
var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
var parseuri = __webpack_require__(/*! parseuri */ "./node_modules/parseuri/index.js");
var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js");
var Socket = /*#__PURE__*/function (_Emitter) {
_inherits(Socket, _Emitter);
var _super = _createSuper(Socket);
/**
* Socket constructor.
*
* @param {String|Object} uri or options
* @param {Object} options
* @api public
*/
function Socket(uri) {
var _this;
var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
_classCallCheck(this, Socket);
_this = _super.call(this);
if (uri && "object" === _typeof(uri)) {
opts = uri;
uri = null;
}
if (uri) {
uri = parseuri(uri);
opts.hostname = uri.host;
opts.secure = uri.protocol === "https" || uri.protocol === "wss";
opts.port = uri.port;
if (uri.query) opts.query = uri.query;
} else if (opts.host) {
opts.hostname = parseuri(opts.host).host;
}
_this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol;
if (opts.hostname && !opts.port) {
// if no port is specified manually, use the protocol default
opts.port = _this.secure ? "443" : "80";
}
_this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost");
_this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? 443 : 80);
_this.transports = opts.transports || ["polling", "websocket"];
_this.readyState = "";
_this.writeBuffer = [];
_this.prevBufferLen = 0;
_this.opts = _extends({
path: "/engine.io",
agent: false,
withCredentials: false,
upgrade: true,
jsonp: true,
timestampParam: "t",
rememberUpgrade: false,
rejectUnauthorized: true,
perMessageDeflate: {
threshold: 1024
},
transportOptions: {}
}, opts);
_this.opts.path = _this.opts.path.replace(/\/$/, "") + "/";
if (typeof _this.opts.query === "string") {
_this.opts.query = parseqs.decode(_this.opts.query);
} // set on handshake
_this.id = null;
_this.upgrades = null;
_this.pingInterval = null;
_this.pingTimeout = null; // set on heartbeat
_this.pingTimeoutTimer = null;
if (typeof addEventListener === "function") {
addEventListener("beforeunload", function () {
if (_this.transport) {
// silently close the transport
_this.transport.removeAllListeners();
_this.transport.close();
}
}, false);
if (_this.hostname !== "localhost") {
_this.offlineEventListener = function () {
_this.onClose("transport close");
};
addEventListener("offline", _this.offlineEventListener, false);
}
}
_this.open();
return _this;
}
/**
* Creates transport of the given type.
*
* @param {String} transport name
* @return {Transport}
* @api private
*/
_createClass(Socket, [{
key: "createTransport",
value: function createTransport(name) {
debug('creating transport "%s"', name);
var query = clone(this.opts.query); // append engine.io protocol identifier
query.EIO = parser.protocol; // transport name
query.transport = name; // session id if we already have one
if (this.id) query.sid = this.id;
var opts = _extends({}, this.opts.transportOptions[name], this.opts, {
query: query,
socket: this,
hostname: this.hostname,
secure: this.secure,
port: this.port
});
debug("options: %j", opts);
return new transports[name](opts);
}
/**
* Initializes transport to use and starts probe.
*
* @api private
*/
}, {
key: "open",
value: function open() {
var transport;
if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) {
transport = "websocket";
} else if (0 === this.transports.length) {
// Emit error on next tick so it can be listened to
var self = this;
setTimeout(function () {
self.emit("error", "No transports available");
}, 0);
return;
} else {
transport = this.transports[0];
}
this.readyState = "opening"; // Retry with the next transport if the transport is disabled (jsonp: false)
try {
transport = this.createTransport(transport);
} catch (e) {
debug("error while creating transport: %s", e);
this.transports.shift();
this.open();
return;
}
transport.open();
this.setTransport(transport);
}
/**
* Sets the current transport. Disables the existing one (if any).
*
* @api private
*/
}, {
key: "setTransport",
value: function setTransport(transport) {
debug("setting transport %s", transport.name);
var self = this;
if (this.transport) {
debug("clearing existing transport %s", this.transport.name);
this.transport.removeAllListeners();
} // set up transport
this.transport = transport; // set up transport listeners
transport.on("drain", function () {
self.onDrain();
}).on("packet", function (packet) {
self.onPacket(packet);
}).on("error", function (e) {
self.onError(e);
}).on("close", function () {
self.onClose("transport close");
});
}
/**
* Probes a transport.
*
* @param {String} transport name
* @api private
*/
}, {
key: "probe",
value: function probe(name) {
debug('probing transport "%s"', name);
var transport = this.createTransport(name, {
probe: 1
});
var failed = false;
var self = this;
Socket.priorWebsocketSuccess = false;
function onTransportOpen() {
if (self.onlyBinaryUpgrades) {
var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
failed = failed || upgradeLosesBinary;
}
if (failed) return;
debug('probe transport "%s" opened', name);
transport.send([{
type: "ping",
data: "probe"
}]);
transport.once("packet", function (msg) {
if (failed) return;
if ("pong" === msg.type && "probe" === msg.data) {
debug('probe transport "%s" pong', name);
self.upgrading = true;
self.emit("upgrading", transport);
if (!transport) return;
Socket.priorWebsocketSuccess = "websocket" === transport.name;
debug('pausing current transport "%s"', self.transport.name);
self.transport.pause(function () {
if (failed) return;
if ("closed" === self.readyState) return;
debug("changing transport and sending upgrade packet");
cleanup();
self.setTransport(transport);
transport.send([{
type: "upgrade"
}]);
self.emit("upgrade", transport);
transport = null;
self.upgrading = false;
self.flush();
});
} else {
debug('probe transport "%s" failed', name);
var err = new Error("probe error");
err.transport = transport.name;
self.emit("upgradeError", err);
}
});
}
function freezeTransport() {
if (failed) return; // Any callback called by transport should be ignored since now
failed = true;
cleanup();
transport.close();
transport = null;
} // Handle any error that happens while probing
function onerror(err) {
var error = new Error("probe error: " + err);
error.transport = transport.name;
freezeTransport();
debug('probe transport "%s" failed because of error: %s', name, err);
self.emit("upgradeError", error);
}
function onTransportClose() {
onerror("transport closed");
} // When the socket is closed while we're probing
function onclose() {
onerror("socket closed");
} // When the socket is upgraded while we're probing
function onupgrade(to) {
if (transport && to.name !== transport.name) {
debug('"%s" works - aborting "%s"', to.name, transport.name);
freezeTransport();
}
} // Remove all listeners on the transport and on self
function cleanup() {
transport.removeListener("open", onTransportOpen);
transport.removeListener("error", onerror);
transport.removeListener("close", onTransportClose);
self.removeListener("close", onclose);
self.removeListener("upgrading", onupgrade);
}
transport.once("open", onTransportOpen);
transport.once("error", onerror);
transport.once("close", onTransportClose);
this.once("close", onclose);
this.once("upgrading", onupgrade);
transport.open();
}
/**
* Called when connection is deemed open.
*
* @api public
*/
}, {
key: "onOpen",
value: function onOpen() {
debug("socket open");
this.readyState = "open";
Socket.priorWebsocketSuccess = "websocket" === this.transport.name;
this.emit("open");
this.flush(); // we check for `readyState` in case an `open`
// listener already closed the socket
if ("open" === this.readyState && this.opts.upgrade && this.transport.pause) {
debug("starting upgrade probes");
var i = 0;
var l = this.upgrades.length;
for (; i < l; i++) {
this.probe(this.upgrades[i]);
}
}
}
/**
* Handles a packet.
*
* @api private
*/
}, {
key: "onPacket",
value: function onPacket(packet) {
if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
this.emit("packet", packet); // Socket is live - any packet counts
this.emit("heartbeat");
switch (packet.type) {
case "open":
this.onHandshake(JSON.parse(packet.data));
break;
case "ping":
this.resetPingTimeout();
this.sendPacket("pong");
this.emit("pong");
break;
case "error":
var err = new Error("server error");
err.code = packet.data;
this.onError(err);
break;
case "message":
this.emit("data", packet.data);
this.emit("message", packet.data);
break;
}
} else {
debug('packet received with socket readyState "%s"', this.readyState);
}
}
/**
* Called upon handshake completion.
*
* @param {Object} handshake obj
* @api private
*/
}, {
key: "onHandshake",
value: function onHandshake(data) {
this.emit("handshake", data);
this.id = data.sid;
this.transport.query.sid = data.sid;
this.upgrades = this.filterUpgrades(data.upgrades);
this.pingInterval = data.pingInterval;
this.pingTimeout = data.pingTimeout;
this.onOpen(); // In case open handler closes socket
if ("closed" === this.readyState) return;
this.resetPingTimeout();
}
/**
* Sets and resets ping timeout timer based on server pings.
*
* @api private
*/
}, {
key: "resetPingTimeout",
value: function resetPingTimeout() {
var _this2 = this;
clearTimeout(this.pingTimeoutTimer);
this.pingTimeoutTimer = setTimeout(function () {
_this2.onClose("ping timeout");
}, this.pingInterval + this.pingTimeout);
if (this.opts.autoUnref) {
this.pingTimeoutTimer.unref();
}
}
/**
* Called on `drain` event
*
* @api private
*/
}, {
key: "onDrain",
value: function onDrain() {
this.writeBuffer.splice(0, this.prevBufferLen); // setting prevBufferLen = 0 is very important
// for example, when upgrading, upgrade packet is sent over,
// and a nonzero prevBufferLen could cause problems on `drain`
this.prevBufferLen = 0;
if (0 === this.writeBuffer.length) {
this.emit("drain");
} else {
this.flush();
}
}
/**
* Flush write buffers.
*
* @api private
*/
}, {
key: "flush",
value: function flush() {
if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
debug("flushing %d packets in socket", this.writeBuffer.length);
this.transport.send(this.writeBuffer); // keep track of current length of writeBuffer
// splice writeBuffer and callbackBuffer on `drain`
this.prevBufferLen = this.writeBuffer.length;
this.emit("flush");
}
}
/**
* Sends a message.
*
* @param {String} message.
* @param {Function} callback function.
* @param {Object} options.
* @return {Socket} for chaining.
* @api public
*/
}, {
key: "write",
value: function write(msg, options, fn) {
this.sendPacket("message", msg, options, fn);
return this;
}
}, {
key: "send",
value: function send(msg, options, fn) {
this.sendPacket("message", msg, options, fn);
return this;
}
/**
* Sends a packet.
*
* @param {String} packet type.
* @param {String} data.
* @param {Object} options.
* @param {Function} callback function.
* @api private
*/
}, {
key: "sendPacket",
value: function sendPacket(type, data, options, fn) {
if ("function" === typeof data) {
fn = data;
data = undefined;
}
if ("function" === typeof options) {
fn = options;
options = null;
}
if ("closing" === this.readyState || "closed" === this.readyState) {
return;
}
options = options || {};
options.compress = false !== options.compress;
var packet = {
type: type,
data: data,
options: options
};
this.emit("packetCreate", packet);
this.writeBuffer.push(packet);
if (fn) this.once("flush", fn);
this.flush();
}
/**
* Closes the connection.
*
* @api private
*/
}, {
key: "close",
value: function close() {
var self = this;
if ("opening" === this.readyState || "open" === this.readyState) {
this.readyState = "closing";
if (this.writeBuffer.length) {
this.once("drain", function () {
if (this.upgrading) {
waitForUpgrade();
} else {
close();
}
});
} else if (this.upgrading) {
waitForUpgrade();
} else {
close();
}
}
function close() {
self.onClose("forced close");
debug("socket closing - telling transport to close");
self.transport.close();
}
function cleanupAndClose() {
self.removeListener("upgrade", cleanupAndClose);
self.removeListener("upgradeError", cleanupAndClose);
close();
}
function waitForUpgrade() {
// wait for upgrade to finish since we can't send packets while pausing a transport
self.once("upgrade", cleanupAndClose);
self.once("upgradeError", cleanupAndClose);
}
return this;
}
/**
* Called upon transport error
*
* @api private
*/
}, {
key: "onError",
value: function onError(err) {
debug("socket error %j", err);
Socket.priorWebsocketSuccess = false;
this.emit("error", err);
this.onClose("transport error", err);
}
/**
* Called upon transport close.
*
* @api private
*/
}, {
key: "onClose",
value: function onClose(reason, desc) {
if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
debug('socket close with reason: "%s"', reason);
var self = this; // clear timers
clearTimeout(this.pingIntervalTimer);
clearTimeout(this.pingTimeoutTimer); // stop event from firing again for transport
this.transport.removeAllListeners("close"); // ensure transport won't stay open
this.transport.close(); // ignore further transport communication
this.transport.removeAllListeners();
if (typeof removeEventListener === "function") {
removeEventListener("offline", this.offlineEventListener, false);
} // set ready state
this.readyState = "closed"; // clear session id
this.id = null; // emit close event
this.emit("close", reason, desc); // clean buffers after, so users can still
// grab the buffers on `close` event
self.writeBuffer = [];
self.prevBufferLen = 0;
}
}
/**
* Filters upgrades, returning only those matching client transports.
*
* @param {Array} server upgrades
* @api private
*
*/
}, {
key: "filterUpgrades",
value: function filterUpgrades(upgrades) {
var filteredUpgrades = [];
var i = 0;
var j = upgrades.length;
for (; i < j; i++) {
if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]);
}
return filteredUpgrades;
}
}]);
return Socket;
}(Emitter);
Socket.priorWebsocketSuccess = false;
/**
* Protocol version.
*
* @api public
*/
Socket.protocol = parser.protocol; // this is an int
function clone(obj) {
var o = {};
for (var i in obj) {
if (obj.hasOwnProperty(i)) {
o[i] = obj[i];
}
}
return o;
}
module.exports = Socket;
/***/ }),
/***/ "./node_modules/engine.io-client/lib/transport.js":
/*!********************************************************!*\
!*** ./node_modules/engine.io-client/lib/transport.js ***!
\********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:transport");
var Transport = /*#__PURE__*/function (_Emitter) {
_inherits(Transport, _Emitter);
var _super = _createSuper(Transport);
/**
* Transport abstract constructor.
*
* @param {Object} options.
* @api private
*/
function Transport(opts) {
var _this;
_classCallCheck(this, Transport);
_this = _super.call(this);
_this.opts = opts;
_this.query = opts.query;
_this.readyState = "";
_this.socket = opts.socket;
return _this;
}
/**
* Emits an error.
*
* @param {String} str
* @return {Transport} for chaining
* @api public
*/
_createClass(Transport, [{
key: "onError",
value: function onError(msg, desc) {
var err = new Error(msg);
err.type = "TransportError";
err.description = desc;
this.emit("error", err);
return this;
}
/**
* Opens the transport.
*
* @api public
*/
}, {
key: "open",
value: function open() {
if ("closed" === this.readyState || "" === this.readyState) {
this.readyState = "opening";
this.doOpen();
}
return this;
}
/**
* Closes the transport.
*
* @api private
*/
}, {
key: "close",
value: function close() {
if ("opening" === this.readyState || "open" === this.readyState) {
this.doClose();
this.onClose();
}
return this;
}
/**
* Sends multiple packets.
*
* @param {Array} packets
* @api private
*/
}, {
key: "send",
value: function send(packets) {
if ("open" === this.readyState) {
this.write(packets);
} else {
// this might happen if the transport was silently closed in the beforeunload event handler
debug("transport is not open, discarding packets");
}
}
/**
* Called upon open
*
* @api private
*/
}, {
key: "onOpen",
value: function onOpen() {
this.readyState = "open";
this.writable = true;
this.emit("open");
}
/**
* Called with data.
*
* @param {String} data
* @api private
*/
}, {
key: "onData",
value: function onData(data) {
var packet = parser.decodePacket(data, this.socket.binaryType);
this.onPacket(packet);
}
/**
* Called with a decoded packet.
*/
}, {
key: "onPacket",
value: function onPacket(packet) {
this.emit("packet", packet);
}
/**
* Called upon close.
*
* @api private
*/
}, {
key: "onClose",
value: function onClose() {
this.readyState = "closed";
this.emit("close");
}
}]);
return Transport;
}(Emitter);
module.exports = Transport;
/***/ }),
/***/ "./node_modules/engine.io-client/lib/transports/index.js":
/*!***************************************************************!*\
!*** ./node_modules/engine.io-client/lib/transports/index.js ***!
\***************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var XMLHttpRequest = __webpack_require__(/*! ../../contrib/xmlhttprequest-ssl/XMLHttpRequest */ "./node_modules/engine.io-client/lib/xmlhttprequest.js");
var XHR = __webpack_require__(/*! ./polling-xhr */ "./node_modules/engine.io-client/lib/transports/polling-xhr.js");
var JSONP = __webpack_require__(/*! ./polling-jsonp */ "./node_modules/engine.io-client/lib/transports/polling-jsonp.js");
var websocket = __webpack_require__(/*! ./websocket */ "./node_modules/engine.io-client/lib/transports/websocket.js");
exports.polling = polling;
exports.websocket = websocket;
/**
* Polling transport polymorphic constructor.
* Decides on xhr vs jsonp based on feature detection.
*
* @api private
*/
function polling(opts) {
var xhr;
var xd = false;
var xs = false;
var jsonp = false !== opts.jsonp;
if (typeof location !== "undefined") {
var isSSL = "https:" === location.protocol;
var port = location.port; // some user agents have empty `location.port`
if (!port) {
port = isSSL ? 443 : 80;
}
xd = opts.hostname !== location.hostname || port !== opts.port;
xs = opts.secure !== isSSL;
}
opts.xdomain = xd;
opts.xscheme = xs;
xhr = new XMLHttpRequest(opts);
if ("open" in xhr && !opts.forceJSONP) {
return new XHR(opts);
} else {
if (!jsonp) throw new Error("JSONP disabled");
return new JSONP(opts);
}
}
/***/ }),
/***/ "./node_modules/engine.io-client/lib/transports/polling-jsonp.js":
/*!***********************************************************************!*\
!*** ./node_modules/engine.io-client/lib/transports/polling-jsonp.js ***!
\***********************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Polling = __webpack_require__(/*! ./polling */ "./node_modules/engine.io-client/lib/transports/polling.js");
var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
var rNewline = /\n/g;
var rEscapedNewline = /\\n/g;
/**
* Global JSONP callbacks.
*/
var callbacks;
var JSONPPolling = /*#__PURE__*/function (_Polling) {
_inherits(JSONPPolling, _Polling);
var _super = _createSuper(JSONPPolling);
/**
* JSONP Polling constructor.
*
* @param {Object} opts.
* @api public
*/
function JSONPPolling(opts) {
var _this;
_classCallCheck(this, JSONPPolling);
_this = _super.call(this, opts);
_this.query = _this.query || {}; // define global callbacks array if not present
// we do this here (lazily) to avoid unneeded global pollution
if (!callbacks) {
// we need to consider multiple engines in the same page
callbacks = globalThis.___eio = globalThis.___eio || [];
} // callback identifier
_this.index = callbacks.length; // add callback to jsonp global
var self = _assertThisInitialized(_this);
callbacks.push(function (msg) {
self.onData(msg);
}); // append to query string
_this.query.j = _this.index;
return _this;
}
/**
* JSONP only supports binary as base64 encoded strings
*/
_createClass(JSONPPolling, [{
key: "doClose",
/**
* Closes the socket.
*
* @api private
*/
value: function doClose() {
if (this.script) {
// prevent spurious errors from being emitted when the window is unloaded
this.script.onerror = function () {};
this.script.parentNode.removeChild(this.script);
this.script = null;
}
if (this.form) {
this.form.parentNode.removeChild(this.form);
this.form = null;
this.iframe = null;
}
_get(_getPrototypeOf(JSONPPolling.prototype), "doClose", this).call(this);
}
/**
* Starts a poll cycle.
*
* @api private
*/
}, {
key: "doPoll",
value: function doPoll() {
var self = this;
var script = document.createElement("script");
if (this.script) {
this.script.parentNode.removeChild(this.script);
this.script = null;
}
script.async = true;
script.src = this.uri();
script.onerror = function (e) {
self.onError("jsonp poll error", e);
};
var insertAt = document.getElementsByTagName("script")[0];
if (insertAt) {
insertAt.parentNode.insertBefore(script, insertAt);
} else {
(document.head || document.body).appendChild(script);
}
this.script = script;
var isUAgecko = "undefined" !== typeof navigator && /gecko/i.test(navigator.userAgent);
if (isUAgecko) {
setTimeout(function () {
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
document.body.removeChild(iframe);
}, 100);
}
}
/**
* Writes with a hidden iframe.
*
* @param {String} data to send
* @param {Function} called upon flush.
* @api private
*/
}, {
key: "doWrite",
value: function doWrite(data, fn) {
var self = this;
var iframe;
if (!this.form) {
var form = document.createElement("form");
var area = document.createElement("textarea");
var id = this.iframeId = "eio_iframe_" + this.index;
form.className = "socketio";
form.style.position = "absolute";
form.style.top = "-1000px";
form.style.left = "-1000px";
form.target = id;
form.method = "POST";
form.setAttribute("accept-charset", "utf-8");
area.name = "d";
form.appendChild(area);
document.body.appendChild(form);
this.form = form;
this.area = area;
}
this.form.action = this.uri();
function complete() {
initIframe();
fn();
}
function initIframe() {
if (self.iframe) {
try {
self.form.removeChild(self.iframe);
} catch (e) {
self.onError("jsonp polling iframe removal error", e);
}
}
try {
// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
iframe = document.createElement(html);
} catch (e) {
iframe = document.createElement("iframe");
iframe.name = self.iframeId;
iframe.src = "javascript:0";
}
iframe.id = self.iframeId;
self.form.appendChild(iframe);
self.iframe = iframe;
}
initIframe(); // escape \n to prevent it from being converted into \r\n by some UAs
// double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
data = data.replace(rEscapedNewline, "\\\n");
this.area.value = data.replace(rNewline, "\\n");
try {
this.form.submit();
} catch (e) {}
if (this.iframe.attachEvent) {
this.iframe.onreadystatechange = function () {
if (self.iframe.readyState === "complete") {
complete();
}
};
} else {
this.iframe.onload = complete;
}
}
}, {
key: "supportsBinary",
get: function get() {
return false;
}
}]);
return JSONPPolling;
}(Polling);
module.exports = JSONPPolling;
/***/ }),
/***/ "./node_modules/engine.io-client/lib/transports/polling-xhr.js":
/*!*********************************************************************!*\
!*** ./node_modules/engine.io-client/lib/transports/polling-xhr.js ***!
\*********************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
/* global attachEvent */
var XMLHttpRequest = __webpack_require__(/*! ../../contrib/xmlhttprequest-ssl/XMLHttpRequest */ "./node_modules/engine.io-client/lib/xmlhttprequest.js");
var Polling = __webpack_require__(/*! ./polling */ "./node_modules/engine.io-client/lib/transports/polling.js");
var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
var _require = __webpack_require__(/*! ../util */ "./node_modules/engine.io-client/lib/util.js"),
pick = _require.pick;
var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:polling-xhr");
/**
* Empty function
*/
function empty() {}
var hasXHR2 = function () {
var xhr = new XMLHttpRequest({
xdomain: false
});
return null != xhr.responseType;
}();
var XHR = /*#__PURE__*/function (_Polling) {
_inherits(XHR, _Polling);
var _super = _createSuper(XHR);
/**
* XHR Polling constructor.
*
* @param {Object} opts
* @api public
*/
function XHR(opts) {
var _this;
_classCallCheck(this, XHR);
_this = _super.call(this, opts);
if (typeof location !== "undefined") {
var isSSL = "https:" === location.protocol;
var port = location.port; // some user agents have empty `location.port`
if (!port) {
port = isSSL ? 443 : 80;
}
_this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port;
_this.xs = opts.secure !== isSSL;
}
/**
* XHR supports binary
*/
var forceBase64 = opts && opts.forceBase64;
_this.supportsBinary = hasXHR2 && !forceBase64;
return _this;
}
/**
* Creates a request.
*
* @param {String} method
* @api private
*/
_createClass(XHR, [{
key: "request",
value: function request() {
var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_extends(opts, {
xd: this.xd,
xs: this.xs
}, this.opts);
return new Request(this.uri(), opts);
}
/**
* Sends data.
*
* @param {String} data to send.
* @param {Function} called upon flush.
* @api private
*/
}, {
key: "doWrite",
value: function doWrite(data, fn) {
var req = this.request({
method: "POST",
data: data
});
var self = this;
req.on("success", fn);
req.on("error", function (err) {
self.onError("xhr post error", err);
});
}
/**
* Starts a poll cycle.
*
* @api private
*/
}, {
key: "doPoll",
value: function doPoll() {
debug("xhr poll");
var req = this.request();
var self = this;
req.on("data", function (data) {
self.onData(data);
});
req.on("error", function (err) {
self.onError("xhr poll error", err);
});
this.pollXhr = req;
}
}]);
return XHR;
}(Polling);
var Request = /*#__PURE__*/function (_Emitter) {
_inherits(Request, _Emitter);
var _super2 = _createSuper(Request);
/**
* Request constructor
*
* @param {Object} options
* @api public
*/
function Request(uri, opts) {
var _this2;
_classCallCheck(this, Request);
_this2 = _super2.call(this);
_this2.opts = opts;
_this2.method = opts.method || "GET";
_this2.uri = uri;
_this2.async = false !== opts.async;
_this2.data = undefined !== opts.data ? opts.data : null;
_this2.create();
return _this2;
}
/**
* Creates the XHR object and sends the request.
*
* @api private
*/
_createClass(Request, [{
key: "create",
value: function create() {
var opts = pick(this.opts, "agent", "enablesXDR", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref");
opts.xdomain = !!this.opts.xd;
opts.xscheme = !!this.opts.xs;
var xhr = this.xhr = new XMLHttpRequest(opts);
var self = this;
try {
debug("xhr open %s: %s", this.method, this.uri);
xhr.open(this.method, this.uri, this.async);
try {
if (this.opts.extraHeaders) {
xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);
for (var i in this.opts.extraHeaders) {
if (this.opts.extraHeaders.hasOwnProperty(i)) {
xhr.setRequestHeader(i, this.opts.extraHeaders[i]);
}
}
}
} catch (e) {}
if ("POST" === this.method) {
try {
xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8");
} catch (e) {}
}
try {
xhr.setRequestHeader("Accept", "*/*");
} catch (e) {} // ie6 check
if ("withCredentials" in xhr) {
xhr.withCredentials = this.opts.withCredentials;
}
if (this.opts.requestTimeout) {
xhr.timeout = this.opts.requestTimeout;
}
if (this.hasXDR()) {
xhr.onload = function () {
self.onLoad();
};
xhr.onerror = function () {
self.onError(xhr.responseText);
};
} else {
xhr.onreadystatechange = function () {
if (4 !== xhr.readyState) return;
if (200 === xhr.status || 1223 === xhr.status) {
self.onLoad();
} else {
// make sure the `error` event handler that's user-set
// does not throw in the same tick and gets caught here
setTimeout(function () {
self.onError(typeof xhr.status === "number" ? xhr.status : 0);
}, 0);
}
};
}
debug("xhr data %s", this.data);
xhr.send(this.data);
} catch (e) {
// Need to defer since .create() is called directly from the constructor
// and thus the 'error' event can only be only bound *after* this exception
// occurs. Therefore, also, we cannot throw here at all.
setTimeout(function () {
self.onError(e);
}, 0);
return;
}
if (typeof document !== "undefined") {
this.index = Request.requestsCount++;
Request.requests[this.index] = this;
}
}
/**
* Called upon successful response.
*
* @api private
*/
}, {
key: "onSuccess",
value: function onSuccess() {
this.emit("success");
this.cleanup();
}
/**
* Called if we have data.
*
* @api private
*/
}, {
key: "onData",
value: function onData(data) {
this.emit("data", data);
this.onSuccess();
}
/**
* Called upon error.
*
* @api private
*/
}, {
key: "onError",
value: function onError(err) {
this.emit("error", err);
this.cleanup(true);
}
/**
* Cleans up house.
*
* @api private
*/
}, {
key: "cleanup",
value: function cleanup(fromError) {
if ("undefined" === typeof this.xhr || null === this.xhr) {
return;
} // xmlhttprequest
if (this.hasXDR()) {
this.xhr.onload = this.xhr.onerror = empty;
} else {
this.xhr.onreadystatechange = empty;
}
if (fromError) {
try {
this.xhr.abort();
} catch (e) {}
}
if (typeof document !== "undefined") {
delete Request.requests[this.index];
}
this.xhr = null;
}
/**
* Called upon load.
*
* @api private
*/
}, {
key: "onLoad",
value: function onLoad() {
var data = this.xhr.responseText;
if (data !== null) {
this.onData(data);
}
}
/**
* Check if it has XDomainRequest.
*
* @api private
*/
}, {
key: "hasXDR",
value: function hasXDR() {
return typeof XDomainRequest !== "undefined" && !this.xs && this.enablesXDR;
}
/**
* Aborts the request.
*
* @api public
*/
}, {
key: "abort",
value: function abort() {
this.cleanup();
}
}]);
return Request;
}(Emitter);
/**
* Aborts pending requests when unloading the window. This is needed to prevent
* memory leaks (e.g. when using IE) and to ensure that no spurious error is
* emitted.
*/
Request.requestsCount = 0;
Request.requests = {};
if (typeof document !== "undefined") {
if (typeof attachEvent === "function") {
attachEvent("onunload", unloadHandler);
} else if (typeof addEventListener === "function") {
var terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload";
addEventListener(terminationEvent, unloadHandler, false);
}
}
function unloadHandler() {
for (var i in Request.requests) {
if (Request.requests.hasOwnProperty(i)) {
Request.requests[i].abort();
}
}
}
module.exports = XHR;
module.exports.Request = Request;
/***/ }),
/***/ "./node_modules/engine.io-client/lib/transports/polling.js":
/*!*****************************************************************!*\
!*** ./node_modules/engine.io-client/lib/transports/polling.js ***!
\*****************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Transport = __webpack_require__(/*! ../transport */ "./node_modules/engine.io-client/lib/transport.js");
var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js");
var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
var yeast = __webpack_require__(/*! yeast */ "./node_modules/yeast/index.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:polling");
var Polling = /*#__PURE__*/function (_Transport) {
_inherits(Polling, _Transport);
var _super = _createSuper(Polling);
function Polling() {
_classCallCheck(this, Polling);
return _super.apply(this, arguments);
}
_createClass(Polling, [{
key: "doOpen",
/**
* Opens the socket (triggers polling). We write a PING message to determine
* when the transport is open.
*
* @api private
*/
value: function doOpen() {
this.poll();
}
/**
* Pauses polling.
*
* @param {Function} callback upon buffers are flushed and transport is paused
* @api private
*/
}, {
key: "pause",
value: function pause(onPause) {
var self = this;
this.readyState = "pausing";
function pause() {
debug("paused");
self.readyState = "paused";
onPause();
}
if (this.polling || !this.writable) {
var total = 0;
if (this.polling) {
debug("we are currently polling - waiting to pause");
total++;
this.once("pollComplete", function () {
debug("pre-pause polling complete");
--total || pause();
});
}
if (!this.writable) {
debug("we are currently writing - waiting to pause");
total++;
this.once("drain", function () {
debug("pre-pause writing complete");
--total || pause();
});
}
} else {
pause();
}
}
/**
* Starts polling cycle.
*
* @api public
*/
}, {
key: "poll",
value: function poll() {
debug("polling");
this.polling = true;
this.doPoll();
this.emit("poll");
}
/**
* Overloads onData to detect payloads.
*
* @api private
*/
}, {
key: "onData",
value: function onData(data) {
var self = this;
debug("polling got data %s", data);
var callback = function callback(packet, index, total) {
// if its the first message we consider the transport open
if ("opening" === self.readyState && packet.type === "open") {
self.onOpen();
} // if its a close packet, we close the ongoing requests
if ("close" === packet.type) {
self.onClose();
return false;
} // otherwise bypass onData and handle the message
self.onPacket(packet);
}; // decode payload
parser.decodePayload(data, this.socket.binaryType).forEach(callback); // if an event did not trigger closing
if ("closed" !== this.readyState) {
// if we got data we're not polling
this.polling = false;
this.emit("pollComplete");
if ("open" === this.readyState) {
this.poll();
} else {
debug('ignoring poll - transport state "%s"', this.readyState);
}
}
}
/**
* For polling, send a close packet.
*
* @api private
*/
}, {
key: "doClose",
value: function doClose() {
var self = this;
function close() {
debug("writing close packet");
self.write([{
type: "close"
}]);
}
if ("open" === this.readyState) {
debug("transport open - closing");
close();
} else {
// in case we're trying to close while
// handshaking is in progress (GH-164)
debug("transport not open - deferring close");
this.once("open", close);
}
}
/**
* Writes a packets payload.
*
* @param {Array} data packets
* @param {Function} drain callback
* @api private
*/
}, {
key: "write",
value: function write(packets) {
var _this = this;
this.writable = false;
parser.encodePayload(packets, function (data) {
_this.doWrite(data, function () {
_this.writable = true;
_this.emit("drain");
});
});
}
/**
* Generates uri for connection.
*
* @api private
*/
}, {
key: "uri",
value: function uri() {
var query = this.query || {};
var schema = this.opts.secure ? "https" : "http";
var port = ""; // cache busting is forced
if (false !== this.opts.timestampRequests) {
query[this.opts.timestampParam] = yeast();
}
if (!this.supportsBinary && !query.sid) {
query.b64 = 1;
}
query = parseqs.encode(query); // avoid port if default for schema
if (this.opts.port && ("https" === schema && Number(this.opts.port) !== 443 || "http" === schema && Number(this.opts.port) !== 80)) {
port = ":" + this.opts.port;
} // prepend ? to query
if (query.length) {
query = "?" + query;
}
var ipv6 = this.opts.hostname.indexOf(":") !== -1;
return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + query;
}
}, {
key: "name",
/**
* Transport name.
*/
get: function get() {
return "polling";
}
}]);
return Polling;
}(Transport);
module.exports = Polling;
/***/ }),
/***/ "./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js":
/*!***************************************************************************************!*\
!*** ./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js ***!
\***************************************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
module.exports = {
WebSocket: globalThis.WebSocket || globalThis.MozWebSocket,
usingBrowserWebSocket: true,
defaultBinaryType: "arraybuffer"
};
/***/ }),
/***/ "./node_modules/engine.io-client/lib/transports/websocket.js":
/*!*******************************************************************!*\
!*** ./node_modules/engine.io-client/lib/transports/websocket.js ***!
\*******************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Transport = __webpack_require__(/*! ../transport */ "./node_modules/engine.io-client/lib/transport.js");
var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js");
var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js");
var yeast = __webpack_require__(/*! yeast */ "./node_modules/yeast/index.js");
var _require = __webpack_require__(/*! ../util */ "./node_modules/engine.io-client/lib/util.js"),
pick = _require.pick;
var _require2 = __webpack_require__(/*! ./websocket-constructor */ "./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js"),
WebSocket = _require2.WebSocket,
usingBrowserWebSocket = _require2.usingBrowserWebSocket,
defaultBinaryType = _require2.defaultBinaryType;
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:websocket"); // detect ReactNative environment
var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative";
var WS = /*#__PURE__*/function (_Transport) {
_inherits(WS, _Transport);
var _super = _createSuper(WS);
/**
* WebSocket transport constructor.
*
* @api {Object} connection options
* @api public
*/
function WS(opts) {
var _this;
_classCallCheck(this, WS);
_this = _super.call(this, opts);
_this.supportsBinary = !opts.forceBase64;
return _this;
}
/**
* Transport name.
*
* @api public
*/
_createClass(WS, [{
key: "doOpen",
/**
* Opens socket.
*
* @api private
*/
value: function doOpen() {
if (!this.check()) {
// let probe timeout
return;
}
var uri = this.uri();
var protocols = this.opts.protocols; // React Native only supports the 'headers' option, and will print a warning if anything else is passed
var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity");
if (this.opts.extraHeaders) {
opts.headers = this.opts.extraHeaders;
}
try {
this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts);
} catch (err) {
return this.emit("error", err);
}
this.ws.binaryType = this.socket.binaryType || defaultBinaryType;
this.addEventListeners();
}
/**
* Adds event listeners to the socket
*
* @api private
*/
}, {
key: "addEventListeners",
value: function addEventListeners() {
var _this2 = this;
this.ws.onopen = function () {
if (_this2.opts.autoUnref) {
_this2.ws._socket.unref();
}
_this2.onOpen();
};
this.ws.onclose = this.onClose.bind(this);
this.ws.onmessage = function (ev) {
return _this2.onData(ev.data);
};
this.ws.onerror = function (e) {
return _this2.onError("websocket error", e);
};
}
/**
* Writes data to socket.
*
* @param {Array} array of packets.
* @api private
*/
}, {
key: "write",
value: function write(packets) {
var self = this;
this.writable = false; // encodePacket efficient as it uses WS framing
// no need for encodePayload
var total = packets.length;
var i = 0;
var l = total;
for (; i < l; i++) {
(function (packet) {
parser.encodePacket(packet, self.supportsBinary, function (data) {
// always create a new object (GH-437)
var opts = {};
if (!usingBrowserWebSocket) {
if (packet.options) {
opts.compress = packet.options.compress;
}
if (self.opts.perMessageDeflate) {
var len = "string" === typeof data ? Buffer.byteLength(data) : data.length;
if (len < self.opts.perMessageDeflate.threshold) {
opts.compress = false;
}
}
} // Sometimes the websocket has already been closed but the browser didn't
// have a chance of informing us about it yet, in that case send will
// throw an error
try {
if (usingBrowserWebSocket) {
// TypeError is thrown when passing the second argument on Safari
self.ws.send(data);
} else {
self.ws.send(data, opts);
}
} catch (e) {
debug("websocket closed before onclose event");
}
--total || done();
});
})(packets[i]);
}
function done() {
self.emit("flush"); // fake drain
// defer to next tick to allow Socket to clear writeBuffer
setTimeout(function () {
self.writable = true;
self.emit("drain");
}, 0);
}
}
/**
* Called upon close
*
* @api private
*/
}, {
key: "onClose",
value: function onClose() {
Transport.prototype.onClose.call(this);
}
/**
* Closes socket.
*
* @api private
*/
}, {
key: "doClose",
value: function doClose() {
if (typeof this.ws !== "undefined") {
this.ws.close();
this.ws = null;
}
}
/**
* Generates uri for connection.
*
* @api private
*/
}, {
key: "uri",
value: function uri() {
var query = this.query || {};
var schema = this.opts.secure ? "wss" : "ws";
var port = ""; // avoid port if default for schema
if (this.opts.port && ("wss" === schema && Number(this.opts.port) !== 443 || "ws" === schema && Number(this.opts.port) !== 80)) {
port = ":" + this.opts.port;
} // append timestamp to URI
if (this.opts.timestampRequests) {
query[this.opts.timestampParam] = yeast();
} // communicate binary support capabilities
if (!this.supportsBinary) {
query.b64 = 1;
}
query = parseqs.encode(query); // prepend ? to query
if (query.length) {
query = "?" + query;
}
var ipv6 = this.opts.hostname.indexOf(":") !== -1;
return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + query;
}
/**
* Feature detection for WebSocket.
*
* @return {Boolean} whether this transport is available.
* @api public
*/
}, {
key: "check",
value: function check() {
return !!WebSocket && !("__initialize" in WebSocket && this.name === WS.prototype.name);
}
}, {
key: "name",
get: function get() {
return "websocket";
}
}]);
return WS;
}(Transport);
module.exports = WS;
/***/ }),
/***/ "./node_modules/engine.io-client/lib/util.js":
/*!***************************************************!*\
!*** ./node_modules/engine.io-client/lib/util.js ***!
\***************************************************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports.pick = function (obj) {
for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
attr[_key - 1] = arguments[_key];
}
return attr.reduce(function (acc, k) {
if (obj.hasOwnProperty(k)) {
acc[k] = obj[k];
}
return acc;
}, {});
};
/***/ }),
/***/ "./node_modules/engine.io-client/lib/xmlhttprequest.js":
/*!*************************************************************!*\
!*** ./node_modules/engine.io-client/lib/xmlhttprequest.js ***!
\*************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
// browser shim for xmlhttprequest module
var hasCORS = __webpack_require__(/*! has-cors */ "./node_modules/has-cors/index.js");
var globalThis = __webpack_require__(/*! ./globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
module.exports = function (opts) {
var xdomain = opts.xdomain; // scheme must be same when usign XDomainRequest
// http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
var xscheme = opts.xscheme; // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
// https://github.com/Automattic/engine.io-client/pull/217
var enablesXDR = opts.enablesXDR; // XMLHttpRequest can be disabled on IE
try {
if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
return new XMLHttpRequest();
}
} catch (e) {} // Use XDomainRequest for IE8 if enablesXDR is true
// because loading bar keeps flashing when using jsonp-polling
// https://github.com/yujiosaka/socke.io-ie8-loading-example
try {
if ("undefined" !== typeof XDomainRequest && !xscheme && enablesXDR) {
return new XDomainRequest();
}
} catch (e) {}
if (!xdomain) {
try {
return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP");
} catch (e) {}
}
};
/***/ }),
/***/ "./node_modules/engine.io-parser/lib/commons.js":
/*!******************************************************!*\
!*** ./node_modules/engine.io-parser/lib/commons.js ***!
\******************************************************/
/*! no static exports found */
/***/ (function(module, exports) {
var PACKET_TYPES = Object.create(null); // no Map = no polyfill
PACKET_TYPES["open"] = "0";
PACKET_TYPES["close"] = "1";
PACKET_TYPES["ping"] = "2";
PACKET_TYPES["pong"] = "3";
PACKET_TYPES["message"] = "4";
PACKET_TYPES["upgrade"] = "5";
PACKET_TYPES["noop"] = "6";
var PACKET_TYPES_REVERSE = Object.create(null);
Object.keys(PACKET_TYPES).forEach(function (key) {
PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;
});
var ERROR_PACKET = {
type: "error",
data: "parser error"
};
module.exports = {
PACKET_TYPES: PACKET_TYPES,
PACKET_TYPES_REVERSE: PACKET_TYPES_REVERSE,
ERROR_PACKET: ERROR_PACKET
};
/***/ }),
/***/ "./node_modules/engine.io-parser/lib/decodePacket.browser.js":
/*!*******************************************************************!*\
!*** ./node_modules/engine.io-parser/lib/decodePacket.browser.js ***!
\*******************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var _require = __webpack_require__(/*! ./commons */ "./node_modules/engine.io-parser/lib/commons.js"),
PACKET_TYPES_REVERSE = _require.PACKET_TYPES_REVERSE,
ERROR_PACKET = _require.ERROR_PACKET;
var withNativeArrayBuffer = typeof ArrayBuffer === "function";
var base64decoder;
if (withNativeArrayBuffer) {
base64decoder = __webpack_require__(/*! base64-arraybuffer */ "./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js");
}
var decodePacket = function decodePacket(encodedPacket, binaryType) {
if (typeof encodedPacket !== "string") {
return {
type: "message",
data: mapBinary(encodedPacket, binaryType)
};
}
var type = encodedPacket.charAt(0);
if (type === "b") {
return {
type: "message",
data: decodeBase64Packet(encodedPacket.substring(1), binaryType)
};
}
var packetType = PACKET_TYPES_REVERSE[type];
if (!packetType) {
return ERROR_PACKET;
}
return encodedPacket.length > 1 ? {
type: PACKET_TYPES_REVERSE[type],
data: encodedPacket.substring(1)
} : {
type: PACKET_TYPES_REVERSE[type]
};
};
var decodeBase64Packet = function decodeBase64Packet(data, binaryType) {
if (base64decoder) {
var decoded = base64decoder.decode(data);
return mapBinary(decoded, binaryType);
} else {
return {
base64: true,
data: data
}; // fallback for old browsers
}
};
var mapBinary = function mapBinary(data, binaryType) {
switch (binaryType) {
case "blob":
return data instanceof ArrayBuffer ? new Blob([data]) : data;
case "arraybuffer":
default:
return data;
// assuming the data is already an ArrayBuffer
}
};
module.exports = decodePacket;
/***/ }),
/***/ "./node_modules/engine.io-parser/lib/encodePacket.browser.js":
/*!*******************************************************************!*\
!*** ./node_modules/engine.io-parser/lib/encodePacket.browser.js ***!
\*******************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var _require = __webpack_require__(/*! ./commons */ "./node_modules/engine.io-parser/lib/commons.js"),
PACKET_TYPES = _require.PACKET_TYPES;
var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]";
var withNativeArrayBuffer = typeof ArrayBuffer === "function"; // ArrayBuffer.isView method is not defined in IE10
var isView = function isView(obj) {
return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer;
};
var encodePacket = function encodePacket(_ref, supportsBinary, callback) {
var type = _ref.type,
data = _ref.data;
if (withNativeBlob && data instanceof Blob) {
if (supportsBinary) {
return callback(data);
} else {
return encodeBlobAsBase64(data, callback);
}
} else if (withNativeArrayBuffer && (data instanceof ArrayBuffer || isView(data))) {
if (supportsBinary) {
return callback(data instanceof ArrayBuffer ? data : data.buffer);
} else {
return encodeBlobAsBase64(new Blob([data]), callback);
}
} // plain string
return callback(PACKET_TYPES[type] + (data || ""));
};
var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) {
var fileReader = new FileReader();
fileReader.onload = function () {
var content = fileReader.result.split(",")[1];
callback("b" + content);
};
return fileReader.readAsDataURL(data);
};
module.exports = encodePacket;
/***/ }),
/***/ "./node_modules/engine.io-parser/lib/index.js":
/*!****************************************************!*\
!*** ./node_modules/engine.io-parser/lib/index.js ***!
\****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var encodePacket = __webpack_require__(/*! ./encodePacket */ "./node_modules/engine.io-parser/lib/encodePacket.browser.js");
var decodePacket = __webpack_require__(/*! ./decodePacket */ "./node_modules/engine.io-parser/lib/decodePacket.browser.js");
var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
var encodePayload = function encodePayload(packets, callback) {
// some packets may be added to the array while encoding, so the initial length must be saved
var length = packets.length;
var encodedPackets = new Array(length);
var count = 0;
packets.forEach(function (packet, i) {
// force base64 encoding for binary packets
encodePacket(packet, false, function (encodedPacket) {
encodedPackets[i] = encodedPacket;
if (++count === length) {
callback(encodedPackets.join(SEPARATOR));
}
});
});
};
var decodePayload = function decodePayload(encodedPayload, binaryType) {
var encodedPackets = encodedPayload.split(SEPARATOR);
var packets = [];
for (var i = 0; i < encodedPackets.length; i++) {
var decodedPacket = decodePacket(encodedPackets[i], binaryType);
packets.push(decodedPacket);
if (decodedPacket.type === "error") {
break;
}
}
return packets;
};
module.exports = {
protocol: 4,
encodePacket: encodePacket,
encodePayload: encodePayload,
decodePacket: decodePacket,
decodePayload: decodePayload
};
/***/ }),
/***/ "./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js":
/*!*************************************************************************************************!*\
!*** ./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js ***!
\*************************************************************************************************/
/*! no static exports found */
/***/ (function(module, exports) {
/*
* base64-arraybuffer
* https://github.com/niklasvh/base64-arraybuffer
*
* Copyright (c) 2012 Niklas von Hertzen
* Licensed under the MIT license.
*/
(function (chars) {
"use strict";
exports.encode = function (arraybuffer) {
var bytes = new Uint8Array(arraybuffer),
i,
len = bytes.length,
base64 = "";
for (i = 0; i < len; i += 3) {
base64 += chars[bytes[i] >> 2];
base64 += chars[(bytes[i] & 3) << 4 | bytes[i + 1] >> 4];
base64 += chars[(bytes[i + 1] & 15) << 2 | bytes[i + 2] >> 6];
base64 += chars[bytes[i + 2] & 63];
}
if (len % 3 === 2) {
base64 = base64.substring(0, base64.length - 1) + "=";
} else if (len % 3 === 1) {
base64 = base64.substring(0, base64.length - 2) + "==";
}
return base64;
};
exports.decode = function (base64) {
var bufferLength = base64.length * 0.75,
len = base64.length,
i,
p = 0,
encoded1,
encoded2,
encoded3,
encoded4;
if (base64[base64.length - 1] === "=") {
bufferLength--;
if (base64[base64.length - 2] === "=") {
bufferLength--;
}
}
var arraybuffer = new ArrayBuffer(bufferLength),
bytes = new Uint8Array(arraybuffer);
for (i = 0; i < len; i += 4) {
encoded1 = chars.indexOf(base64[i]);
encoded2 = chars.indexOf(base64[i + 1]);
encoded3 = chars.indexOf(base64[i + 2]);
encoded4 = chars.indexOf(base64[i + 3]);
bytes[p++] = encoded1 << 2 | encoded2 >> 4;
bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2;
bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63;
}
return arraybuffer;
};
})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
/***/ }),
/***/ "./node_modules/has-cors/index.js":
/*!****************************************!*\
!*** ./node_modules/has-cors/index.js ***!
\****************************************/
/*! no static exports found */
/***/ (function(module, exports) {
/**
* Module exports.
*
* Logic borrowed from Modernizr:
*
* - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
*/
try {
module.exports = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest();
} catch (err) {
// if XMLHttp support is disabled in IE then it will throw
// when trying to create
module.exports = false;
}
/***/ }),
/***/ "./node_modules/ms/index.js":
/*!**********************************!*\
!*** ./node_modules/ms/index.js ***!
\**********************************/
/*! no static exports found */
/***/ (function(module, exports) {
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
/**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} [options]
* @throws {Error} throw an error if val is not a non-empty string or a number
* @return {String|Number}
* @api public
*/
module.exports = function (val, options) {
options = options || {};
var type = _typeof(val);
if (type === 'string' && val.length > 0) {
return parse(val);
} else if (type === 'number' && isFinite(val)) {
return options["long"] ? fmtLong(val) : fmtShort(val);
}
throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/
function parse(str) {
str = String(str);
if (str.length > 100) {
return;
}
var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);
if (!match) {
return;
}
var n = parseFloat(match[1]);
var type = (match[2] || 'ms').toLowerCase();
switch (type) {
case 'years':
case 'year':
case 'yrs':
case 'yr':
case 'y':
return n * y;
case 'weeks':
case 'week':
case 'w':
return n * w;
case 'days':
case 'day':
case 'd':
return n * d;
case 'hours':
case 'hour':
case 'hrs':
case 'hr':
case 'h':
return n * h;
case 'minutes':
case 'minute':
case 'mins':
case 'min':
case 'm':
return n * m;
case 'seconds':
case 'second':
case 'secs':
case 'sec':
case 's':
return n * s;
case 'milliseconds':
case 'millisecond':
case 'msecs':
case 'msec':
case 'ms':
return n;
default:
return undefined;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtShort(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return Math.round(ms / d) + 'd';
}
if (msAbs >= h) {
return Math.round(ms / h) + 'h';
}
if (msAbs >= m) {
return Math.round(ms / m) + 'm';
}
if (msAbs >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return plural(ms, msAbs, d, 'day');
}
if (msAbs >= h) {
return plural(ms, msAbs, h, 'hour');
}
if (msAbs >= m) {
return plural(ms, msAbs, m, 'minute');
}
if (msAbs >= s) {
return plural(ms, msAbs, s, 'second');
}
return ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
}
/***/ }),
/***/ "./node_modules/parseqs/index.js":
/*!***************************************!*\
!*** ./node_modules/parseqs/index.js ***!
\***************************************/
/*! no static exports found */
/***/ (function(module, exports) {
/**
* Compiles a querystring
* Returns string representation of the object
*
* @param {Object}
* @api private
*/
exports.encode = function (obj) {
var str = '';
for (var i in obj) {
if (obj.hasOwnProperty(i)) {
if (str.length) str += '&';
str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
}
}
return str;
};
/**
* Parses a simple querystring into an object
*
* @param {String} qs
* @api private
*/
exports.decode = function (qs) {
var qry = {};
var pairs = qs.split('&');
for (var i = 0, l = pairs.length; i < l; i++) {
var pair = pairs[i].split('=');
qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
}
return qry;
};
/***/ }),
/***/ "./node_modules/parseuri/index.js":
/*!****************************************!*\
!*** ./node_modules/parseuri/index.js ***!
\****************************************/
/*! no static exports found */
/***/ (function(module, exports) {
/**
* Parses an URI
*
* @author Steven Levithan <stevenlevithan.com> (MIT license)
* @api private
*/
var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'];
module.exports = function parseuri(str) {
var src = str,
b = str.indexOf('['),
e = str.indexOf(']');
if (b != -1 && e != -1) {
str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
}
var m = re.exec(str || ''),
uri = {},
i = 14;
while (i--) {
uri[parts[i]] = m[i] || '';
}
if (b != -1 && e != -1) {
uri.source = src;
uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
uri.ipv6uri = true;
}
uri.pathNames = pathNames(uri, uri['path']);
uri.queryKey = queryKey(uri, uri['query']);
return uri;
};
function pathNames(obj, path) {
var regx = /\/{2,9}/g,
names = path.replace(regx, "/").split("/");
if (path.substr(0, 1) == '/' || path.length === 0) {
names.splice(0, 1);
}
if (path.substr(path.length - 1, 1) == '/') {
names.splice(names.length - 1, 1);
}
return names;
}
function queryKey(uri, query) {
var data = {};
query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {
if ($1) {
data[$1] = $2;
}
});
return data;
}
/***/ }),
/***/ "./node_modules/socket.io-parser/dist/binary.js":
/*!******************************************************!*\
!*** ./node_modules/socket.io-parser/dist/binary.js ***!
\******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.reconstructPacket = exports.deconstructPacket = void 0;
var is_binary_1 = __webpack_require__(/*! ./is-binary */ "./node_modules/socket.io-parser/dist/is-binary.js");
/**
* Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.
*
* @param {Object} packet - socket.io event packet
* @return {Object} with deconstructed packet and list of buffers
* @public
*/
function deconstructPacket(packet) {
var buffers = [];
var packetData = packet.data;
var pack = packet;
pack.data = _deconstructPacket(packetData, buffers);
pack.attachments = buffers.length; // number of binary 'attachments'
return {
packet: pack,
buffers: buffers
};
}
exports.deconstructPacket = deconstructPacket;
function _deconstructPacket(data, buffers) {
if (!data) return data;
if (is_binary_1.isBinary(data)) {
var placeholder = {
_placeholder: true,
num: buffers.length
};
buffers.push(data);
return placeholder;
} else if (Array.isArray(data)) {
var newData = new Array(data.length);
for (var i = 0; i < data.length; i++) {
newData[i] = _deconstructPacket(data[i], buffers);
}
return newData;
} else if (_typeof(data) === "object" && !(data instanceof Date)) {
var _newData = {};
for (var key in data) {
if (data.hasOwnProperty(key)) {
_newData[key] = _deconstructPacket(data[key], buffers);
}
}
return _newData;
}
return data;
}
/**
* Reconstructs a binary packet from its placeholder packet and buffers
*
* @param {Object} packet - event packet with placeholders
* @param {Array} buffers - binary buffers to put in placeholder positions
* @return {Object} reconstructed packet
* @public
*/
function reconstructPacket(packet, buffers) {
packet.data = _reconstructPacket(packet.data, buffers);
packet.attachments = undefined; // no longer useful
return packet;
}
exports.reconstructPacket = reconstructPacket;
function _reconstructPacket(data, buffers) {
if (!data) return data;
if (data && data._placeholder) {
return buffers[data.num]; // appropriate buffer (should be natural order anyway)
} else if (Array.isArray(data)) {
for (var i = 0; i < data.length; i++) {
data[i] = _reconstructPacket(data[i], buffers);
}
} else if (_typeof(data) === "object") {
for (var key in data) {
if (data.hasOwnProperty(key)) {
data[key] = _reconstructPacket(data[key], buffers);
}
}
}
return data;
}
/***/ }),
/***/ "./node_modules/socket.io-parser/dist/index.js":
/*!*****************************************************!*\
!*** ./node_modules/socket.io-parser/dist/index.js ***!
\*****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0;
var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
var binary_1 = __webpack_require__(/*! ./binary */ "./node_modules/socket.io-parser/dist/binary.js");
var is_binary_1 = __webpack_require__(/*! ./is-binary */ "./node_modules/socket.io-parser/dist/is-binary.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-parser");
/**
* Protocol version.
*
* @public
*/
exports.protocol = 5;
var PacketType;
(function (PacketType) {
PacketType[PacketType["CONNECT"] = 0] = "CONNECT";
PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT";
PacketType[PacketType["EVENT"] = 2] = "EVENT";
PacketType[PacketType["ACK"] = 3] = "ACK";
PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR";
PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT";
PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK";
})(PacketType = exports.PacketType || (exports.PacketType = {}));
/**
* A socket.io Encoder instance
*/
var Encoder = /*#__PURE__*/function () {
function Encoder() {
_classCallCheck(this, Encoder);
}
_createClass(Encoder, [{
key: "encode",
/**
* Encode a packet as a single string if non-binary, or as a
* buffer sequence, depending on packet type.
*
* @param {Object} obj - packet object
*/
value: function encode(obj) {
debug("encoding packet %j", obj);
if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {
if (is_binary_1.hasBinary(obj)) {
obj.type = obj.type === PacketType.EVENT ? PacketType.BINARY_EVENT : PacketType.BINARY_ACK;
return this.encodeAsBinary(obj);
}
}
return [this.encodeAsString(obj)];
}
/**
* Encode packet as string.
*/
}, {
key: "encodeAsString",
value: function encodeAsString(obj) {
// first is type
var str = "" + obj.type; // attachments if we have them
if (obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK) {
str += obj.attachments + "-";
} // if we have a namespace other than `/`
// we append it followed by a comma `,`
if (obj.nsp && "/" !== obj.nsp) {
str += obj.nsp + ",";
} // immediately followed by the id
if (null != obj.id) {
str += obj.id;
} // json data
if (null != obj.data) {
str += JSON.stringify(obj.data);
}
debug("encoded %j as %s", obj, str);
return str;
}
/**
* Encode packet as 'buffer sequence' by removing blobs, and
* deconstructing packet into object with placeholders and
* a list of buffers.
*/
}, {
key: "encodeAsBinary",
value: function encodeAsBinary(obj) {
var deconstruction = binary_1.deconstructPacket(obj);
var pack = this.encodeAsString(deconstruction.packet);
var buffers = deconstruction.buffers;
buffers.unshift(pack); // add packet info to beginning of data list
return buffers; // write all the buffers
}
}]);
return Encoder;
}();
exports.Encoder = Encoder;
/**
* A socket.io Decoder instance
*
* @return {Object} decoder
*/
var Decoder = /*#__PURE__*/function (_Emitter) {
_inherits(Decoder, _Emitter);
var _super = _createSuper(Decoder);
function Decoder() {
_classCallCheck(this, Decoder);
return _super.call(this);
}
/**
* Decodes an encoded packet string into packet JSON.
*
* @param {String} obj - encoded packet
*/
_createClass(Decoder, [{
key: "add",
value: function add(obj) {
var packet;
if (typeof obj === "string") {
packet = this.decodeString(obj);
if (packet.type === PacketType.BINARY_EVENT || packet.type === PacketType.BINARY_ACK) {
// binary packet's json
this.reconstructor = new BinaryReconstructor(packet); // no attachments, labeled binary but no binary data to follow
if (packet.attachments === 0) {
_get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet);
}
} else {
// non-binary full packet
_get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet);
}
} else if (is_binary_1.isBinary(obj) || obj.base64) {
// raw binary data
if (!this.reconstructor) {
throw new Error("got binary data when not reconstructing a packet");
} else {
packet = this.reconstructor.takeBinaryData(obj);
if (packet) {
// received final buffer
this.reconstructor = null;
_get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet);
}
}
} else {
throw new Error("Unknown type: " + obj);
}
}
/**
* Decode a packet String (JSON data)
*
* @param {String} str
* @return {Object} packet
*/
}, {
key: "decodeString",
value: function decodeString(str) {
var i = 0; // look up type
var p = {
type: Number(str.charAt(0))
};
if (PacketType[p.type] === undefined) {
throw new Error("unknown packet type " + p.type);
} // look up attachments if type binary
if (p.type === PacketType.BINARY_EVENT || p.type === PacketType.BINARY_ACK) {
var start = i + 1;
while (str.charAt(++i) !== "-" && i != str.length) {}
var buf = str.substring(start, i);
if (buf != Number(buf) || str.charAt(i) !== "-") {
throw new Error("Illegal attachments");
}
p.attachments = Number(buf);
} // look up namespace (if any)
if ("/" === str.charAt(i + 1)) {
var _start = i + 1;
while (++i) {
var c = str.charAt(i);
if ("," === c) break;
if (i === str.length) break;
}
p.nsp = str.substring(_start, i);
} else {
p.nsp = "/";
} // look up id
var next = str.charAt(i + 1);
if ("" !== next && Number(next) == next) {
var _start2 = i + 1;
while (++i) {
var _c = str.charAt(i);
if (null == _c || Number(_c) != _c) {
--i;
break;
}
if (i === str.length) break;
}
p.id = Number(str.substring(_start2, i + 1));
} // look up json data
if (str.charAt(++i)) {
var payload = tryParse(str.substr(i));
if (Decoder.isPayloadValid(p.type, payload)) {
p.data = payload;
} else {
throw new Error("invalid payload");
}
}
debug("decoded %s as %j", str, p);
return p;
}
}, {
key: "destroy",
/**
* Deallocates a parser's resources
*/
value: function destroy() {
if (this.reconstructor) {
this.reconstructor.finishedReconstruction();
}
}
}], [{
key: "isPayloadValid",
value: function isPayloadValid(type, payload) {
switch (type) {
case PacketType.CONNECT:
return _typeof(payload) === "object";
case PacketType.DISCONNECT:
return payload === undefined;
case PacketType.CONNECT_ERROR:
return typeof payload === "string" || _typeof(payload) === "object";
case PacketType.EVENT:
case PacketType.BINARY_EVENT:
return Array.isArray(payload) && payload.length > 0;
case PacketType.ACK:
case PacketType.BINARY_ACK:
return Array.isArray(payload);
}
}
}]);
return Decoder;
}(Emitter);
exports.Decoder = Decoder;
function tryParse(str) {
try {
return JSON.parse(str);
} catch (e) {
return false;
}
}
/**
* A manager of a binary event's 'buffer sequence'. Should
* be constructed whenever a packet of type BINARY_EVENT is
* decoded.
*
* @param {Object} packet
* @return {BinaryReconstructor} initialized reconstructor
*/
var BinaryReconstructor = /*#__PURE__*/function () {
function BinaryReconstructor(packet) {
_classCallCheck(this, BinaryReconstructor);
this.packet = packet;
this.buffers = [];
this.reconPack = packet;
}
/**
* Method to be called when binary data received from connection
* after a BINARY_EVENT packet.
*
* @param {Buffer | ArrayBuffer} binData - the raw binary data received
* @return {null | Object} returns null if more binary data is expected or
* a reconstructed packet object if all buffers have been received.
*/
_createClass(BinaryReconstructor, [{
key: "takeBinaryData",
value: function takeBinaryData(binData) {
this.buffers.push(binData);
if (this.buffers.length === this.reconPack.attachments) {
// done with buffer list
var packet = binary_1.reconstructPacket(this.reconPack, this.buffers);
this.finishedReconstruction();
return packet;
}
return null;
}
/**
* Cleans up binary packet reconstruction variables.
*/
}, {
key: "finishedReconstruction",
value: function finishedReconstruction() {
this.reconPack = null;
this.buffers = [];
}
}]);
return BinaryReconstructor;
}();
/***/ }),
/***/ "./node_modules/socket.io-parser/dist/is-binary.js":
/*!*********************************************************!*\
!*** ./node_modules/socket.io-parser/dist/is-binary.js ***!
\*********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.hasBinary = exports.isBinary = void 0;
var withNativeArrayBuffer = typeof ArrayBuffer === "function";
var isView = function isView(obj) {
return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer;
};
var toString = Object.prototype.toString;
var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]";
var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]";
/**
* Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.
*
* @private
*/
function isBinary(obj) {
return withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)) || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File;
}
exports.isBinary = isBinary;
function hasBinary(obj, toJSON) {
if (!obj || _typeof(obj) !== "object") {
return false;
}
if (Array.isArray(obj)) {
for (var i = 0, l = obj.length; i < l; i++) {
if (hasBinary(obj[i])) {
return true;
}
}
return false;
}
if (isBinary(obj)) {
return true;
}
if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) {
return hasBinary(obj.toJSON(), true);
}
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {
return true;
}
}
return false;
}
exports.hasBinary = hasBinary;
/***/ }),
/***/ "./node_modules/yeast/index.js":
/*!*************************************!*\
!*** ./node_modules/yeast/index.js ***!
\*************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''),
length = 64,
map = {},
seed = 0,
i = 0,
prev;
/**
* Return a string representing the specified number.
*
* @param {Number} num The number to convert.
* @returns {String} The string representation of the number.
* @api public
*/
function encode(num) {
var encoded = '';
do {
encoded = alphabet[num % length] + encoded;
num = Math.floor(num / length);
} while (num > 0);
return encoded;
}
/**
* Return the integer value specified by the given string.
*
* @param {String} str The string to convert.
* @returns {Number} The integer value represented by the string.
* @api public
*/
function decode(str) {
var decoded = 0;
for (i = 0; i < str.length; i++) {
decoded = decoded * length + map[str.charAt(i)];
}
return decoded;
}
/**
* Yeast: A tiny growing id generator.
*
* @returns {String} A unique id.
* @api public
*/
function yeast() {
var now = encode(+new Date());
if (now !== prev) return seed = 0, prev = now;
return now + '.' + encode(seed++);
} //
// Map each character to its index.
//
for (; i < length; i++) {
map[alphabet[i]] = i;
} //
// Expose the `yeast`, `encode` and `decode` functions.
//
yeast.encode = encode;
yeast.decode = decode;
module.exports = yeast;
/***/ })
/******/ });
});
//# sourceMappingURL=socket.io.js.map