/
socket.io.js
6122 lines (4929 loc) · 180 KB
/
socket.io.js
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/*!
* Socket.IO v3.0.2
* (c) 2014-2020 Guillermo Rauch
* Released under the MIT License.
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else if(typeof exports === 'object')
exports["io"] = factory();
else
root["io"] = factory();
})((() => {
if (typeof self !== 'undefined') {
return self;
} else if (typeof window !== 'undefined') {
return window;
} else if (typeof global !== 'undefined') {
return global;
} else {
return Function('return this')();
}
})(), function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = "./build/index.js");
/******/ })
/************************************************************************/
/******/ ({
/***/ "./build/index.js":
/*!************************!*\
!*** ./build/index.js ***!
\************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Socket = exports.io = exports.Manager = exports.protocol = void 0;
var url_1 = __webpack_require__(/*! ./url */ "./build/url.js");
var manager_1 = __webpack_require__(/*! ./manager */ "./build/manager.js");
var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js");
Object.defineProperty(exports, "Socket", {
enumerable: true,
get: function get() {
return socket_1.Socket;
}
});
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client");
/**
* Module exports.
*/
module.exports = exports = lookup;
/**
* Managers cache.
*/
var cache = exports.managers = {};
function lookup(uri, opts) {
if (_typeof(uri) === "object") {
opts = uri;
uri = undefined;
}
opts = opts || {};
var parsed = url_1.url(uri);
var source = parsed.source;
var id = parsed.id;
var path = parsed.path;
var sameNamespace = cache[id] && path in cache[id].nsps;
var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace;
var io;
if (newConnection) {
debug("ignoring socket cache for %s", source);
io = new manager_1.Manager(source, opts);
} else {
if (!cache[id]) {
debug("new io instance for %s", source);
cache[id] = new manager_1.Manager(source, opts);
}
io = cache[id];
}
if (parsed.query && !opts.query) {
opts.query = parsed.query;
}
return io.socket(parsed.path, opts);
}
exports.io = lookup;
/**
* Protocol version.
*
* @public
*/
var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
Object.defineProperty(exports, "protocol", {
enumerable: true,
get: function get() {
return socket_io_parser_1.protocol;
}
});
/**
* `connect`.
*
* @param {String} uri
* @public
*/
exports.connect = lookup;
/**
* Expose constructors for standalone build.
*
* @public
*/
var manager_2 = __webpack_require__(/*! ./manager */ "./build/manager.js");
Object.defineProperty(exports, "Manager", {
enumerable: true,
get: function get() {
return manager_2.Manager;
}
});
/***/ }),
/***/ "./build/manager.js":
/*!**************************!*\
!*** ./build/manager.js ***!
\**************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Manager = void 0;
var eio = __webpack_require__(/*! engine.io-client */ "./node_modules/engine.io-client/lib/index.js");
var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js");
var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
var parser = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
var on_1 = __webpack_require__(/*! ./on */ "./build/on.js");
var bind = __webpack_require__(/*! component-bind */ "./node_modules/component-bind/index.js");
var Backoff = __webpack_require__(/*! backo2 */ "./node_modules/backo2/index.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:manager");
var Manager = /*#__PURE__*/function (_Emitter) {
_inherits(Manager, _Emitter);
var _super = _createSuper(Manager);
function Manager(uri, opts) {
var _this;
_classCallCheck(this, Manager);
_this = _super.call(this);
_this.nsps = {};
_this.subs = [];
_this.connecting = [];
if (uri && "object" === _typeof(uri)) {
opts = uri;
uri = undefined;
}
opts = opts || {};
opts.path = opts.path || "/socket.io";
_this.opts = opts;
_this.reconnection(opts.reconnection !== false);
_this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
_this.reconnectionDelay(opts.reconnectionDelay || 1000);
_this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
_this.randomizationFactor(opts.randomizationFactor || 0.5);
_this.backoff = new Backoff({
min: _this.reconnectionDelay(),
max: _this.reconnectionDelayMax(),
jitter: _this.randomizationFactor()
});
_this.timeout(null == opts.timeout ? 20000 : opts.timeout);
_this._readyState = "closed";
_this.uri = uri;
var _parser = opts.parser || parser;
_this.encoder = new _parser.Encoder();
_this.decoder = new _parser.Decoder();
_this._autoConnect = opts.autoConnect !== false;
if (_this._autoConnect) _this.open();
return _this;
}
_createClass(Manager, [{
key: "reconnection",
value: function reconnection(v) {
if (!arguments.length) return this._reconnection;
this._reconnection = !!v;
return this;
}
}, {
key: "reconnectionAttempts",
value: function reconnectionAttempts(v) {
if (v === undefined) return this._reconnectionAttempts;
this._reconnectionAttempts = v;
return this;
}
}, {
key: "reconnectionDelay",
value: function reconnectionDelay(v) {
if (v === undefined) return this._reconnectionDelay;
this._reconnectionDelay = v;
this.backoff && this.backoff.setMin(v);
return this;
}
}, {
key: "randomizationFactor",
value: function randomizationFactor(v) {
if (v === undefined) return this._randomizationFactor;
this._randomizationFactor = v;
this.backoff && this.backoff.setJitter(v);
return this;
}
}, {
key: "reconnectionDelayMax",
value: function reconnectionDelayMax(v) {
if (v === undefined) return this._reconnectionDelayMax;
this._reconnectionDelayMax = v;
this.backoff && this.backoff.setMax(v);
return this;
}
}, {
key: "timeout",
value: function timeout(v) {
if (!arguments.length) return this._timeout;
this._timeout = v;
return this;
}
/**
* Starts trying to reconnect if reconnection is enabled and we have not
* started reconnecting yet
*
* @private
*/
}, {
key: "maybeReconnectOnOpen",
value: function maybeReconnectOnOpen() {
// Only try to reconnect if it's the first time we're connecting
if (!this._reconnecting && this._reconnection && this.backoff.attempts === 0) {
// keeps reconnection from firing twice for the same reconnection loop
this.reconnect();
}
}
/**
* Sets the current transport `socket`.
*
* @param {Function} fn - optional, callback
* @return {Manager} self
* @public
*/
}, {
key: "open",
value: function open(fn) {
var _this2 = this;
debug("readyState %s", this._readyState);
if (~this._readyState.indexOf("open")) return this;
debug("opening %s", this.uri);
this.engine = eio(this.uri, this.opts);
var socket = this.engine;
var self = this;
this._readyState = "opening";
this.skipReconnect = false; // emit `open`
var openSub = on_1.on(socket, "open", function () {
self.onopen();
fn && fn();
}); // emit `error`
var errorSub = on_1.on(socket, "error", function (err) {
debug("error");
self.cleanup();
self._readyState = "closed";
_get(_getPrototypeOf(Manager.prototype), "emit", _this2).call(_this2, "error", err);
if (fn) {
fn(err);
} else {
// Only do this if there is no fn to handle the error
self.maybeReconnectOnOpen();
}
});
if (false !== this._timeout) {
var timeout = this._timeout;
debug("connect attempt will timeout after %d", timeout);
if (timeout === 0) {
openSub.destroy(); // prevents a race condition with the 'open' event
} // set timer
var timer = setTimeout(function () {
debug("connect attempt timed out after %d", timeout);
openSub.destroy();
socket.close();
socket.emit("error", new Error("timeout"));
}, timeout);
this.subs.push({
destroy: function destroy() {
clearTimeout(timer);
}
});
}
this.subs.push(openSub);
this.subs.push(errorSub);
return this;
}
/**
* Alias for open()
*
* @return {Manager} self
* @public
*/
}, {
key: "connect",
value: function connect(fn) {
return this.open(fn);
}
/**
* Called upon transport open.
*
* @private
*/
}, {
key: "onopen",
value: function onopen() {
debug("open"); // clear old subs
this.cleanup(); // mark as open
this._readyState = "open";
_get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "open"); // add new subs
var socket = this.engine;
this.subs.push(on_1.on(socket, "data", bind(this, "ondata")));
this.subs.push(on_1.on(socket, "ping", bind(this, "onping")));
this.subs.push(on_1.on(socket, "error", bind(this, "onerror")));
this.subs.push(on_1.on(socket, "close", bind(this, "onclose")));
this.subs.push(on_1.on(this.decoder, "decoded", bind(this, "ondecoded")));
}
/**
* Called upon a ping.
*
* @private
*/
}, {
key: "onping",
value: function onping() {
_get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "ping");
}
/**
* Called with data.
*
* @private
*/
}, {
key: "ondata",
value: function ondata(data) {
this.decoder.add(data);
}
/**
* Called when parser fully decodes a packet.
*
* @private
*/
}, {
key: "ondecoded",
value: function ondecoded(packet) {
_get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "packet", packet);
}
/**
* Called upon socket error.
*
* @private
*/
}, {
key: "onerror",
value: function onerror(err) {
debug("error", err);
_get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "error", err);
}
/**
* Creates a new socket for the given `nsp`.
*
* @return {Socket}
* @public
*/
}, {
key: "socket",
value: function socket(nsp, opts) {
var socket = this.nsps[nsp];
if (!socket) {
socket = new socket_1.Socket(this, nsp, opts);
this.nsps[nsp] = socket;
var self = this;
socket.on("connecting", onConnecting);
if (this._autoConnect) {
// manually call here since connecting event is fired before listening
onConnecting();
}
}
function onConnecting() {
if (!~self.connecting.indexOf(socket)) {
self.connecting.push(socket);
}
}
return socket;
}
/**
* Called upon a socket close.
*
* @param {Socket} socket
* @private
*/
}, {
key: "_destroy",
value: function _destroy(socket) {
var index = this.connecting.indexOf(socket);
if (~index) this.connecting.splice(index, 1);
if (this.connecting.length) return;
this._close();
}
/**
* Writes a packet.
*
* @param {Object} packet
* @private
*/
}, {
key: "_packet",
value: function _packet(packet) {
debug("writing packet %j", packet);
if (packet.query && packet.type === 0) packet.nsp += "?" + packet.query;
var encodedPackets = this.encoder.encode(packet);
for (var i = 0; i < encodedPackets.length; i++) {
this.engine.write(encodedPackets[i], packet.options);
}
}
/**
* Clean up transport subscriptions and packet buffer.
*
* @private
*/
}, {
key: "cleanup",
value: function cleanup() {
debug("cleanup");
var subsLength = this.subs.length;
for (var i = 0; i < subsLength; i++) {
var sub = this.subs.shift();
sub.destroy();
}
this.decoder.destroy();
}
/**
* Close the current socket.
*
* @private
*/
}, {
key: "_close",
value: function _close() {
debug("disconnect");
this.skipReconnect = true;
this._reconnecting = false;
if ("opening" === this._readyState) {
// `onclose` will not fire because
// an open event never happened
this.cleanup();
}
this.backoff.reset();
this._readyState = "closed";
if (this.engine) this.engine.close();
}
/**
* Alias for close()
*
* @private
*/
}, {
key: "disconnect",
value: function disconnect() {
return this._close();
}
/**
* Called upon engine close.
*
* @private
*/
}, {
key: "onclose",
value: function onclose(reason) {
debug("onclose");
this.cleanup();
this.backoff.reset();
this._readyState = "closed";
_get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "close", reason);
if (this._reconnection && !this.skipReconnect) {
this.reconnect();
}
}
/**
* Attempt a reconnection.
*
* @private
*/
}, {
key: "reconnect",
value: function reconnect() {
var _this3 = this;
if (this._reconnecting || this.skipReconnect) return this;
var self = this;
if (this.backoff.attempts >= this._reconnectionAttempts) {
debug("reconnect failed");
this.backoff.reset();
_get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "reconnect_failed");
this._reconnecting = false;
} else {
var delay = this.backoff.duration();
debug("will wait %dms before reconnect attempt", delay);
this._reconnecting = true;
var timer = setTimeout(function () {
if (self.skipReconnect) return;
debug("attempting reconnect");
_get(_getPrototypeOf(Manager.prototype), "emit", _this3).call(_this3, "reconnect_attempt", self.backoff.attempts); // check again for the case socket closed in above events
if (self.skipReconnect) return;
self.open(function (err) {
if (err) {
debug("reconnect attempt error");
self._reconnecting = false;
self.reconnect();
_get(_getPrototypeOf(Manager.prototype), "emit", _this3).call(_this3, "reconnect_error", err);
} else {
debug("reconnect success");
self.onreconnect();
}
});
}, delay);
this.subs.push({
destroy: function destroy() {
clearTimeout(timer);
}
});
}
}
/**
* Called upon successful reconnect.
*
* @private
*/
}, {
key: "onreconnect",
value: function onreconnect() {
var attempt = this.backoff.attempts;
this._reconnecting = false;
this.backoff.reset();
_get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "reconnect", attempt);
}
}]);
return Manager;
}(Emitter);
exports.Manager = Manager;
/***/ }),
/***/ "./build/on.js":
/*!*********************!*\
!*** ./build/on.js ***!
\*********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.on = void 0;
function on(obj, ev, fn) {
obj.on(ev, fn);
return {
destroy: function destroy() {
obj.removeListener(ev, fn);
}
};
}
exports.on = on;
/***/ }),
/***/ "./build/socket.js":
/*!*************************!*\
!*** ./build/socket.js ***!
\*************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Socket = void 0;
var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");
var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
var on_1 = __webpack_require__(/*! ./on */ "./build/on.js");
var bind = __webpack_require__(/*! component-bind */ "./node_modules/component-bind/index.js");
var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:socket");
/**
* Internal events.
* These events can't be emitted by the user.
*/
var RESERVED_EVENTS = {
connect: 1,
connect_error: 1,
disconnect: 1,
disconnecting: 1,
// EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener
newListener: 1,
removeListener: 1
};
var Socket = /*#__PURE__*/function (_Emitter) {
_inherits(Socket, _Emitter);
var _super = _createSuper(Socket);
/**
* `Socket` constructor.
*
* @public
*/
function Socket(io, nsp, opts) {
var _this;
_classCallCheck(this, Socket);
_this = _super.call(this);
_this.ids = 0;
_this.acks = {};
_this.receiveBuffer = [];
_this.sendBuffer = [];
_this.flags = {};
_this.io = io;
_this.nsp = nsp;
_this.ids = 0;
_this.acks = {};
_this.receiveBuffer = [];
_this.sendBuffer = [];
_this.connected = false;
_this.disconnected = true;
_this.flags = {};
if (opts && opts.auth) {
_this.auth = opts.auth;
}
if (_this.io._autoConnect) _this.open();
return _this;
}
/**
* Subscribe to open, close and packet events
*
* @private
*/
_createClass(Socket, [{
key: "subEvents",
value: function subEvents() {
if (this.subs) return;
var io = this.io;
this.subs = [on_1.on(io, "open", bind(this, "onopen")), on_1.on(io, "packet", bind(this, "onpacket")), on_1.on(io, "close", bind(this, "onclose"))];
}
/**
* "Opens" the socket.
*
* @public
*/
}, {
key: "connect",
value: function connect() {
if (this.connected) return this;
this.subEvents();
if (!this.io._reconnecting) this.io.open(); // ensure open
if ("open" === this.io._readyState) this.onopen();
return this;
}
/**
* Alias for connect()
*/
}, {
key: "open",
value: function open() {
return this.connect();
}
/**
* Sends a `message` event.
*
* @return {Socket} self
* @public
*/
}, {
key: "send",
value: function send() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
args.unshift("message");
this.emit.apply(this, args);
return this;
}
/**
* Override `emit`.
* If the event is in `events`, it's emitted normally.
*
* @param {String} ev - event name
* @return {Socket} self
* @public
*/
}, {
key: "emit",
value: function emit(ev) {
if (RESERVED_EVENTS.hasOwnProperty(ev)) {
throw new Error('"' + ev + '" is a reserved event name');
}
for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
args[_key2 - 1] = arguments[_key2];
}
args.unshift(ev);
var packet = {
type: socket_io_parser_1.PacketType.EVENT,
data: args
};
packet.options = {};
packet.options.compress = this.flags.compress !== false; // event ack callback
if ("function" === typeof args[args.length - 1]) {
debug("emitting packet with ack id %d", this.ids);
this.acks[this.ids] = args.pop();
packet.id = this.ids++;
}
var isTransportWritable = this.io.engine && this.io.engine.transport && this.io.engine.transport.writable;
var discardPacket = this.flags["volatile"] && (!isTransportWritable || !this.connected);