chore(release): 4.2.0

Diff: https://github.com/socketio/socket.io/compare/4.1.3...4.2.0

CHANGELOG.md

@@ -1,3 +1,16 @@
+# [4.2.0](https://github.com/socketio/socket.io/compare/4.1.3...4.2.0) (2021-08-30)
+
+
+### Bug Fixes
+
+* **typings:** allow async listener in typed events ([ccfd8ca](https://github.com/socketio/socket.io/commit/ccfd8caba6d38b7ba6c5114bd8179346ed07671c))
+
+
+### Features
+
+* ignore the query string when serving client JavaScript ([#4024](https://github.com/socketio/socket.io/issues/4024)) ([24fee27](https://github.com/socketio/socket.io/commit/24fee27ba36485308f8e995879c10931532c814e))
+
+
 ## [4.1.3](https://github.com/socketio/socket.io/compare/4.1.2...4.1.3) (2021-07-10)
 
 

Readme.md

@@ -1,5 +1,5 @@
 # socket.io
-[![Run on Repl.it](https://repl.it/badge/github/socketio/socket.io)](https://repl.it/github/socketio/socket.io)
+[![Run on Repl.it](https://repl.it/badge/github/socketio/socket.io)](https://replit.com/@socketio/socketio-minimal-example)
 [![Backers on Open Collective](https://opencollective.com/socketio/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/socketio/sponsors/badge.svg)](#sponsors)
 [![Build Status](https://github.com/socketio/socket.io/workflows/CI/badge.svg)](https://github.com/socketio/socket.io/actions)
 [![Dependency Status](https://david-dm.org/socketio/socket.io.svg)](https://david-dm.org/socketio/socket.io)

client-dist/socket.io.js

@@ -1,5 +1,5 @@
 /*!
- * Socket.IO v4.1.3
+ * Socket.IO v4.2.0
  * (c) 2014-2021 Guillermo Rauch
  * Released under the MIT License.
  */
@@ -142,7 +142,7 @@ function lookup(uri, opts) {
   }
 
   opts = opts || {};
-  var parsed = url_1.url(uri, opts.path || "/socket.io");
+  var parsed = (0, url_1.url)(uri, opts.path || "/socket.io");
   var source = parsed.source;
   var id = parsed.id;
   var path = parsed.path;
@@ -243,7 +243,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -258,6 +258,8 @@ exports.Manager = void 0;
 
 var eio = __webpack_require__(/*! engine.io-client */ "./node_modules/engine.io-client/lib/index.js");
 
+var util_1 = __webpack_require__(/*! engine.io-client/lib/util */ "./node_modules/engine.io-client/lib/util.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");
@@ -280,6 +282,8 @@ var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
 
     _classCallCheck(this, Manager);
 
+    var _a;
+
     _this = _super.call(this);
     _this.nsps = {};
     _this.subs = [];
@@ -292,6 +296,7 @@ var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
     opts = opts || {};
     opts.path = opts.path || "/socket.io";
     _this.opts = opts;
+    (0, util_1.installTimerFunctions)(_assertThisInitialized(_this), opts);
 
     _this.reconnection(opts.reconnection !== false);
 
@@ -301,7 +306,7 @@ var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
 
     _this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
 
-    _this.randomizationFactor(opts.randomizationFactor || 0.5);
+    _this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);
 
     _this.backoff = new Backoff({
       min: _this.reconnectionDelay(),
@@ -412,12 +417,12 @@ var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
       this._readyState = "opening";
       this.skipReconnect = false; // emit `open`
 
-      var openSubDestroy = on_1.on(socket, "open", function () {
+      var openSubDestroy = (0, on_1.on)(socket, "open", function () {
         self.onopen();
         fn && fn();
       }); // emit `error`
 
-      var errorSub = on_1.on(socket, "error", function (err) {
+      var errorSub = (0, on_1.on)(socket, "error", function (err) {
         debug("error");
         self.cleanup();
         self._readyState = "closed";
@@ -441,7 +446,7 @@ var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
         } // set timer
 
 
-        var timer = setTimeout(function () {
+        var timer = this.setTimeoutFn(function () {
           debug("connect attempt timed out after %d", timeout);
           openSubDestroy();
           socket.close();
@@ -490,7 +495,7 @@ var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
       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)));
+      this.subs.push((0, on_1.on)(socket, "ping", this.onping.bind(this)), (0, on_1.on)(socket, "data", this.ondata.bind(this)), (0, on_1.on)(socket, "error", this.onerror.bind(this)), (0, on_1.on)(socket, "close", this.onclose.bind(this)), (0, on_1.on)(this.decoder, "decoded", this.ondecoded.bind(this)));
     }
     /**
      * Called upon a ping.
@@ -689,7 +694,7 @@ var Manager = /*#__PURE__*/function (_typed_events_1$Stric) {
         var delay = this.backoff.duration();
         debug("will wait %dms before reconnect attempt", delay);
         this._reconnecting = true;
-        var timer = setTimeout(function () {
+        var timer = this.setTimeoutFn(function () {
           if (self.skipReconnect) return;
           debug("attempting reconnect");
 
@@ -803,7 +808,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -855,6 +860,8 @@ var Socket = /*#__PURE__*/function (_typed_events_1$Stric) {
     _classCallCheck(this, Socket);
 
     _this = _super.call(this);
+    _this.connected = false;
+    _this.disconnected = true;
     _this.receiveBuffer = [];
     _this.sendBuffer = [];
     _this.ids = 0;
@@ -862,13 +869,6 @@ var Socket = /*#__PURE__*/function (_typed_events_1$Stric) {
     _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;
@@ -889,7 +889,7 @@ var Socket = /*#__PURE__*/function (_typed_events_1$Stric) {
     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))];
+      this.subs = [(0, on_1.on)(io, "open", this.onopen.bind(this)), (0, on_1.on)(io, "packet", this.onpacket.bind(this)), (0, on_1.on)(io, "error", this.onerror.bind(this)), (0, on_1.on)(io, "close", this.onclose.bind(this))];
     }
     /**
      * Whether the Socket will try to reconnect when its Manager connects or reconnects
@@ -1457,7 +1457,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -2003,11 +2003,7 @@ function useColors() {
   // 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+)/);
+  return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
 }
 /**
  * Colorize log arguments if enabled.
@@ -2215,6 +2211,8 @@ function setup(env) {
   function createDebug(namespace) {
     var prevTime;
     var enableOverride = null;
+    var namespacesCache;
+    var enabledCache;
 
     function debug() {
       for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
@@ -2278,7 +2276,16 @@ function setup(env) {
       enumerable: true,
       configurable: false,
       get: function get() {
-        return enableOverride === null ? createDebug.enabled(namespace) : enableOverride;
+        if (enableOverride !== null) {
+          return enableOverride;
+        }
+
+        if (namespacesCache !== createDebug.namespaces) {
+          namespacesCache = createDebug.namespaces;
+          enabledCache = createDebug.enabled(namespace);
+        }
+
+        return enabledCache;
       },
       set: function set(v) {
         enableOverride = v;
@@ -2308,6 +2315,7 @@ function setup(env) {
 
   function enable(namespaces) {
     createDebug.save(namespaces);
+    createDebug.namespaces = namespaces;
     createDebug.names = [];
     createDebug.skips = [];
     var i;
@@ -2490,7 +2498,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -2510,6 +2518,9 @@ var parseuri = __webpack_require__(/*! parseuri */ "./node_modules/parseuri/inde
 
 var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js");
 
+var _require = __webpack_require__(/*! ./util */ "./node_modules/engine.io-client/lib/util.js"),
+    installTimerFunctions = _require.installTimerFunctions;
+
 var Socket = /*#__PURE__*/function (_Emitter) {
   _inherits(Socket, _Emitter);
 
@@ -2546,6 +2557,7 @@ var Socket = /*#__PURE__*/function (_Emitter) {
       opts.hostname = parseuri(opts.host).host;
     }
 
+    installTimerFunctions(_assertThisInitialized(_this), opts);
     _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol;
 
     if (opts.hostname && !opts.port) {
@@ -2665,7 +2677,7 @@ var Socket = /*#__PURE__*/function (_Emitter) {
         transport = "websocket";
       } else if (0 === this.transports.length) {
         // Emit error on next tick so it can be listened to
-        setTimeout(function () {
+        this.setTimeoutFn(function () {
           _this2.emit("error", "No transports available");
         }, 0);
         return;
@@ -2934,8 +2946,8 @@ var Socket = /*#__PURE__*/function (_Emitter) {
     value: function resetPingTimeout() {
       var _this5 = this;
 
-      clearTimeout(this.pingTimeoutTimer);
-      this.pingTimeoutTimer = setTimeout(function () {
+      this.clearTimeoutFn(this.pingTimeoutTimer);
+      this.pingTimeoutTimer = this.setTimeoutFn(function () {
         _this5.onClose("ping timeout");
       }, this.pingInterval + this.pingTimeout);
 
@@ -3123,8 +3135,8 @@ var Socket = /*#__PURE__*/function (_Emitter) {
       if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
         debug('socket close with reason: "%s"', reason); // clear timers
 
-        clearTimeout(this.pingIntervalTimer);
-        clearTimeout(this.pingTimeoutTimer); // stop event from firing again for transport
+        this.clearTimeoutFn(this.pingIntervalTimer);
+        this.clearTimeoutFn(this.pingTimeoutTimer); // stop event from firing again for transport
 
         this.transport.removeAllListeners("close"); // ensure transport won't stay open
 
@@ -3220,7 +3232,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -3232,6 +3244,9 @@ var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.
 
 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"),
+    installTimerFunctions = _require.installTimerFunctions;
+
 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:transport");
 
 var Transport = /*#__PURE__*/function (_Emitter) {
@@ -3251,6 +3266,7 @@ var Transport = /*#__PURE__*/function (_Emitter) {
     _classCallCheck(this, Transport);
 
     _this = _super.call(this);
+    installTimerFunctions(_assertThisInitialized(_this), opts);
     _this.opts = opts;
     _this.query = opts.query;
     _this.readyState = "";
@@ -3387,7 +3403,7 @@ module.exports = Transport;
 /*! 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 XMLHttpRequest = __webpack_require__(/*! xmlhttprequest-ssl */ "./node_modules/engine.io-client/lib/xmlhttprequest.js");
 
 var XHR = __webpack_require__(/*! ./polling-xhr */ "./node_modules/engine.io-client/lib/transports/polling-xhr.js");
 
@@ -3461,7 +3477,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -3586,7 +3602,7 @@ var JSONPPolling = /*#__PURE__*/function (_Polling) {
       var isUAgecko = "undefined" !== typeof navigator && /gecko/i.test(navigator.userAgent);
 
       if (isUAgecko) {
-        setTimeout(function () {
+        this.setTimeoutFn(function () {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           document.body.removeChild(iframe);
@@ -3711,7 +3727,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -3720,14 +3736,15 @@ function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Re
 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 XMLHttpRequest = __webpack_require__(/*! xmlhttprequest-ssl */ "./node_modules/engine.io-client/lib/xmlhttprequest.js");
 
 var Polling = __webpack_require__(/*! ./polling */ "./node_modules/engine.io-client/lib/transports/polling.js");
 
 var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");
 
 var _require = __webpack_require__(/*! ../util */ "./node_modules/engine.io-client/lib/util.js"),
-    pick = _require.pick;
+    pick = _require.pick,
+    installTimerFunctions = _require.installTimerFunctions;
 
 var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
 
@@ -3867,6 +3884,7 @@ var Request = /*#__PURE__*/function (_Emitter) {
     _classCallCheck(this, Request);
 
     _this4 = _super2.call(this);
+    installTimerFunctions(_assertThisInitialized(_this4), opts);
     _this4.opts = opts;
     _this4.method = opts.method || "GET";
     _this4.uri = uri;
@@ -3946,7 +3964,7 @@ var Request = /*#__PURE__*/function (_Emitter) {
             } else {
               // make sure the `error` event handler that's user-set
               // does not throw in the same tick and gets caught here
-              setTimeout(function () {
+              _this5.setTimeoutFn(function () {
                 _this5.onError(typeof xhr.status === "number" ? xhr.status : 0);
               }, 0);
             }
@@ -3959,7 +3977,7 @@ var Request = /*#__PURE__*/function (_Emitter) {
         // 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 () {
+        this.setTimeoutFn(function () {
           _this5.onError(e);
         }, 0);
         return;
@@ -4132,7 +4150,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -4397,8 +4415,8 @@ var nextTick = function () {
       return Promise.resolve().then(cb);
     };
   } else {
-    return function (cb) {
-      return setTimeout(cb, 0);
+    return function (cb, setTimeoutFn) {
+      return setTimeoutFn(cb, 0);
     };
   }
 }();
@@ -4433,7 +4451,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 
@@ -4613,7 +4631,7 @@ var WS = /*#__PURE__*/function (_Transport) {
               _this3.writable = true;
 
               _this3.emit("drain");
-            });
+            }, _this3.setTimeoutFn);
           }
         });
       };
@@ -4709,7 +4727,9 @@ module.exports = WS;
   !*** ./node_modules/engine.io-client/lib/util.js ***!
   \***************************************************/
 /*! no static exports found */
-/***/ (function(module, exports) {
+/***/ (function(module, exports, __webpack_require__) {
+
+var globalThis = __webpack_require__(/*! ./globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js");
 
 module.exports.pick = function (obj) {
   for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
@@ -4723,6 +4743,20 @@ module.exports.pick = function (obj) {
 
     return acc;
   }, {});
+}; // Keep a reference to the real timeout functions so they can be used when overridden
+
+
+var NATIVE_SET_TIMEOUT = setTimeout;
+var NATIVE_CLEAR_TIMEOUT = clearTimeout;
+
+module.exports.installTimerFunctions = function (obj, opts) {
+  if (opts.useNativeTimers) {
+    obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);
+    obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);
+  } else {
+    obj.setTimeoutFn = setTimeout.bind(globalThis);
+    obj.clearTimeoutFn = clearTimeout.bind(globalThis);
+  }
 };
 
 /***/ }),
@@ -5540,7 +5574,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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; }
 

examples/basic-crud-application/server/package.json

@@ -24,6 +24,7 @@
     "uuid": "^8.3.2"
   },
   "devDependencies": {
+    "@types/mocha": "^8.2.3",
     "@types/chai": "^4.2.16",
     "@types/uuid": "^8.3.0",
     "chai": "^4.3.4",

lib/index.ts

@@ -334,7 +334,7 @@ export class Server<
     this.clientPathRegex = new RegExp(
       "^" +
         escapedPath +
-        "/socket\\.io(\\.min|\\.msgpack\\.min)?\\.js(\\.map)?$"
+        "/socket\\.io(\\.min|\\.msgpack\\.min)?\\.js(\\.map)?(?:\\?|$)"
     );
     return this;
   }
@@ -469,7 +469,7 @@ export class Server<
     const evs = srv.listeners("request").slice(0);
     srv.removeAllListeners("request");
     srv.on("request", (req, res) => {
-      if (this.clientPathRegex.test(req.url)) {
+      if (this.clientPathRegex.test(req.url!)) {
         this.serve(req, res);
       } else {
         for (let i = 0; i < evs.length; i++) {
@@ -487,7 +487,7 @@ export class Server<
    * @private
    */
   private serve(req: http.IncomingMessage, res: http.ServerResponse): void {
-    const filename = req.url!.replace(this._path, "");
+    const filename = req.url!.replace(this._path, "").replace(/\?.*$/, "");
     const isMap = dotMapRegex.test(filename);
     const type = isMap ? "map" : "source";
 

lib/typed-events.ts

@@ -58,7 +58,7 @@ export type ReservedOrUserListener<
  * Needed because of https://github.com/microsoft/TypeScript/issues/41778
  */
 type FallbackToUntypedListener<T> = [T] extends [never]
-  ? (...args: any[]) => void
+  ? (...args: any[]) => void | Promise<void>
   : T;
 
 /**

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "socket.io",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -294,6 +294,21 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@cspotcode/source-map-consumer": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-consumer/-/source-map-consumer-0.8.0.tgz",
+      "integrity": "sha512-41qniHzTU8yAGbCp04ohlmSrZf8bkf/iJsl3V0dRGsQN/5GFfx+LbCSsCpp2gqrqjTVg/K6O8ycoV35JIwAzAg==",
+      "dev": true
+    },
+    "@cspotcode/source-map-support": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.6.1.tgz",
+      "integrity": "sha512-DX3Z+T5dt1ockmPdobJS/FAsQPW4V4SrWEhD2iYQT2Cb2tQsiMnYxrcUH9By/Z3B+v0S5LMBkQtV/XOBbpLEOg==",
+      "dev": true,
+      "requires": {
+        "@cspotcode/source-map-consumer": "0.8.0"
+      }
+    },
     "@istanbuljs/load-nyc-config": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@istanbuljs/load-nyc-config/-/load-nyc-config-1.1.0.tgz",
@@ -366,9 +381,9 @@
       "dev": true
     },
     "@tsconfig/node16": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.1.tgz",
-      "integrity": "sha512-FTgBI767POY/lKNDNbIzgAX6miIDBs6NTCbdlDb8TrWovHsSvaVIZDlTqym29C6UqhzwcJx4CYr+AlrMywA0cA==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.2.tgz",
+      "integrity": "sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA==",
       "dev": true
     },
     "@types/component-emitter": {
@@ -377,14 +392,14 @@
       "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg=="
     },
     "@types/cookie": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.0.tgz",
-      "integrity": "sha512-y7mImlc/rNkvCRmg8gC3/lj87S7pTUIJ6QGjwHR9WQJcFs+ZMTOaoPrkdFA/YdbuqVEmEbb5RdhVxMkAcgOnpg=="
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
     },
     "@types/cors": {
-      "version": "2.8.10",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.10.tgz",
-      "integrity": "sha512-C7srjHiVG3Ey1nR6d511dtDkCEjxuN9W1HWAEjGq8kpcwmNM6JJkpC0xvabM7BXTG2wDq8Eu33iH9aQKa7IvLQ=="
+      "version": "2.8.12",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
+      "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw=="
     },
     "@types/eslint": {
       "version": "7.2.13",
@@ -415,15 +430,15 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "8.2.2",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.2.2.tgz",
-      "integrity": "sha512-Lwh0lzzqT5Pqh6z61P3c3P5nm6fzQK/MMHl9UKeneAeInVflBSz1O2EkX6gM6xfJd7FBXBY5purtLx7fUiZ7Hw==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.0.0.tgz",
+      "integrity": "sha512-scN0hAWyLVAvLR9AyW7HoFF5sJZglyBsbPuHO4fv7JRvfmPBMfp1ozWqOf/e4wwPNxezBZXRfWzMb6iFLgEVRA==",
       "dev": true
     },
     "@types/node": {
-      "version": "16.0.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.0.0.tgz",
-      "integrity": "sha512-TmCW5HoZ2o2/z2EYi109jLqIaPIi9y/lc2LmDCWzuCi35bcaQ+OtUh6nwBiFK7SOu25FAU5+YKdqFZUwtqGSdg=="
+      "version": "16.7.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.6.tgz",
+      "integrity": "sha512-VESVNFoa/ahYA62xnLBjo5ur6gPsgEE5cNRy8SrdnkZ2nwJSW0kJ4ufbFr2zuU9ALtHM8juY53VcRoTA7htXSg=="
     },
     "@types/normalize-package-data": {
       "version": "2.4.0",
@@ -440,6 +455,18 @@
         "negotiator": "0.6.2"
       }
     },
+    "acorn": {
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.4.1.tgz",
+      "integrity": "sha512-asabaBSkEKosYKMITunzX177CXxQ4Q8BSSzMTKD+FefUhipQC70gfW5SiUDhYQ3vk8G+81HqQk7Fv9OXwwn9KA==",
+      "dev": true
+    },
+    "acorn-walk": {
+      "version": "8.1.1",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.1.1.tgz",
+      "integrity": "sha512-FbJdceMlPHEAWJOILDk1fXD8lnTlEIWFkqtfk+MvmL5q/qlHfN7GEHcsFZWt/Tea9jRNPWUZG4G976nqAAmU9w==",
+      "dev": true
+    },
     "after": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
@@ -596,12 +623,6 @@
       "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
       "dev": true
     },
-    "buffer-from": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
-      "dev": true
-    },
     "caching-transform": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/caching-transform/-/caching-transform-4.0.0.tgz",
@@ -793,9 +814,9 @@
       }
     },
     "debug": {
-      "version": "4.3.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
-      "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+      "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
       "requires": {
         "ms": "2.1.2"
       }
@@ -861,9 +882,9 @@
       "dev": true
     },
     "engine.io": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-5.1.1.tgz",
-      "integrity": "sha512-aMWot7H5aC8L4/T8qMYbLdvKlZOdJTH54FxfdFunTGvhMx1BHkJOntWArsVfgAZVwAO9LC2sryPWRcEeUzCe5w==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-5.2.0.tgz",
+      "integrity": "sha512-d1DexkQx87IFr1FLuV+0f5kAm1Hk1uOVijLOb+D1sDO2QMb7YjE02VHtZtxo7xIXMgcWLb+vl3HRT0rI9tr4jQ==",
       "requires": {
         "accepts": "~1.3.4",
         "base64id": "2.0.0",
@@ -875,9 +896,9 @@
       }
     },
     "engine.io-client": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-5.1.2.tgz",
-      "integrity": "sha512-blRrgXIE0A/eurWXRzvfCLG7uUFJqfTGFsyJzXSK71srMMGJ2VraBLg8Mdw28uUxSpVicepBN9X7asqpD1mZcQ==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-5.2.0.tgz",
+      "integrity": "sha512-BcIBXGBkT7wKecwnfrSV79G2X5lSUSgeAGgoo60plXf8UsQEvCQww/KMwXSMhVjb98fFYNq20CC5eo8IOAPqsg==",
       "dev": true,
       "requires": {
         "base64-arraybuffer": "0.1.4",
@@ -888,7 +909,16 @@
         "parseqs": "0.0.6",
         "parseuri": "0.0.6",
         "ws": "~7.4.2",
+        "xmlhttprequest-ssl": "~2.0.0",
         "yeast": "0.1.2"
+      },
+      "dependencies": {
+        "xmlhttprequest-ssl": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.0.0.tgz",
+          "integrity": "sha512-QKxVRxiRACQcVuQEYFsI1hhkrMlrXHPegbbd1yn9UHOmRxY+si12nQYzri3vbzt8VdTTRviqcKxcyllFas5z2A==",
+          "dev": true
+        }
       }
     },
     "engine.io-parser": {
@@ -2370,21 +2400,21 @@
       "dev": true
     },
     "socket.io-adapter": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.3.1.tgz",
-      "integrity": "sha512-8cVkRxI8Nt2wadkY6u60Y4rpW3ejA1rxgcK2JuyIhmF+RMNpTy1QRtkHIDUOf3B4HlQwakMsWbKftMv/71VMmw=="
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.3.2.tgz",
+      "integrity": "sha512-PBZpxUPYjmoogY0aoaTmo1643JelsaS1CiAwNjRVdrI0X9Seuc19Y2Wife8k88avW6haG8cznvwbubAZwH4Mtg=="
     },
     "socket.io-client": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.1.3.tgz",
-      "integrity": "sha512-hISFn6PDpgDifVUiNklLHVPTMv1LAk8poHArfIUdXa+gKgbr0MZbAlquDFqCqsF30yBqa+jg42wgos2FK50BHA==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.2.0.tgz",
+      "integrity": "sha512-3GJ2KMh7inJUNAOjgf8NaKJZJa9uRyfryh2LrVJyKyxmzoXlfW9DeDNqylJn0ovOFt4e/kRLNWzMt/YqqEWYSA==",
       "dev": true,
       "requires": {
         "@types/component-emitter": "^1.2.10",
         "backo2": "~1.0.2",
         "component-emitter": "~1.3.0",
-        "debug": "~4.3.1",
-        "engine.io-client": "~5.1.2",
+        "debug": "~4.3.2",
+        "engine.io-client": "~5.2.0",
         "parseuri": "0.0.6",
         "socket.io-parser": "~4.0.4"
       }
@@ -2484,24 +2514,6 @@
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
       "dev": true
     },
-    "source-map-support": {
-      "version": "0.5.19",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
-      "integrity": "sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==",
-      "dev": true,
-      "requires": {
-        "buffer-from": "^1.0.0",
-        "source-map": "^0.6.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
-      }
-    },
     "spawn-wrap": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/spawn-wrap/-/spawn-wrap-2.0.0.tgz",
@@ -2626,9 +2638,9 @@
       }
     },
     "supertest": {
-      "version": "6.1.3",
-      "resolved": "https://registry.npmjs.org/supertest/-/supertest-6.1.3.tgz",
-      "integrity": "sha512-v2NVRyP73XDewKb65adz+yug1XMtmvij63qIWHZzSX8tp6wiq6xBLUy4SUAd2NII6wIipOmHT/FD9eicpJwdgQ==",
+      "version": "6.1.6",
+      "resolved": "https://registry.npmjs.org/supertest/-/supertest-6.1.6.tgz",
+      "integrity": "sha512-0hACYGNJ8OHRg8CRITeZOdbjur7NLuNs0mBjVhdpxi7hP6t3QIbOzLON5RTUmZcy2I9riuII3+Pr2C7yztrIIg==",
       "dev": true,
       "requires": {
         "methods": "^1.1.2",
@@ -2710,20 +2722,22 @@
       "dev": true
     },
     "ts-node": {
-      "version": "10.0.0",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.0.0.tgz",
-      "integrity": "sha512-ROWeOIUvfFbPZkoDis0L/55Fk+6gFQNZwwKPLinacRl6tsxstTF1DbAcLKkovwnpKMVvOMHP1TIbnwXwtLg1gg==",
+      "version": "10.2.1",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.2.1.tgz",
+      "integrity": "sha512-hCnyOyuGmD5wHleOQX6NIjJtYVIO8bPP8F2acWkB4W06wdlkgyvJtubO/I9NkI88hCFECbsEgoLc0VNkYmcSfw==",
       "dev": true,
       "requires": {
+        "@cspotcode/source-map-support": "0.6.1",
         "@tsconfig/node10": "^1.0.7",
         "@tsconfig/node12": "^1.0.7",
         "@tsconfig/node14": "^1.0.0",
-        "@tsconfig/node16": "^1.0.1",
+        "@tsconfig/node16": "^1.0.2",
+        "acorn": "^8.4.1",
+        "acorn-walk": "^8.1.1",
         "arg": "^4.1.0",
         "create-require": "^1.1.0",
         "diff": "^4.0.1",
         "make-error": "^1.1.1",
-        "source-map-support": "^0.5.17",
         "yn": "3.1.1"
       },
       "dependencies": {
@@ -2773,9 +2787,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
-      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.2.tgz",
+      "integrity": "sha512-gzP+t5W4hdy4c+68bfcv0t400HVJMMd2+H9B7gae1nQlBzCqvrXX+6GL/b3GAgyTH966pzrZ70/fRjwAtZksSQ==",
       "dev": true
     },
     "util-deprecate": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "socket.io",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "description": "node.js realtime framework server",
   "keywords": [
     "realtime",
@@ -45,30 +45,30 @@
     "prepack": "npm run compile"
   },
   "dependencies": {
-    "@types/cookie": "^0.4.0",
-    "@types/cors": "^2.8.10",
+    "@types/cookie": "^0.4.1",
+    "@types/cors": "^2.8.12",
     "@types/node": ">=10.0.0",
     "accepts": "~1.3.4",
     "base64id": "~2.0.0",
-    "debug": "~4.3.1",
-    "engine.io": "~5.1.1",
-    "socket.io-adapter": "~2.3.1",
+    "debug": "~4.3.2",
+    "engine.io": "~5.2.0",
+    "socket.io-adapter": "~2.3.2",
     "socket.io-parser": "~4.0.4"
   },
   "devDependencies": {
-    "@types/mocha": "^8.2.2",
+    "@types/mocha": "^9.0.0",
     "expect.js": "0.3.1",
     "mocha": "^3.5.3",
     "nyc": "^15.1.0",
     "prettier": "^2.3.2",
     "rimraf": "^3.0.2",
-    "socket.io-client": "4.1.3",
+    "socket.io-client": "4.2.0",
     "socket.io-client-v2": "npm:socket.io-client@^2.4.0",
     "superagent": "^6.1.0",
-    "supertest": "^6.1.3",
-    "ts-node": "^10.0.0",
+    "supertest": "^6.1.6",
+    "ts-node": "^10.2.1",
     "tsd": "^0.17.0",
-    "typescript": "^4.3.5"
+    "typescript": "^4.4.2"
   },
   "contributors": [
     {

test/socket.io.ts

@@ -83,6 +83,10 @@ describe("socket.io", () => {
       };
 
       it("should serve client", testSource("socket.io.js"));
+      it(
+        "should serve client with query string",
+        testSource("socket.io.js?buster=" + Date.now())
+      );
       it("should serve source map", testSourceMap("socket.io.js.map"));
       it("should serve client (min)", testSource("socket.io.min.js"));