From f2b8de71919e1b4d3e57f15a459972c1d1064787 Mon Sep 17 00:00:00 2001
From: Orkhan Alikhanov <Orkhan.Alikhanov@gmail.com>
Date: Tue, 4 Jan 2022 12:09:42 +0400
Subject: [PATCH] fix(typings): pass `SocketData` type to custom namespaces
 (#4233)

The `SocketData` type was only available on the main namespace.

Related: https://github.com/socketio/socket.io/issues/4229
See also: https://github.com/socketio/socket.io/commit/fe8730ca0f15bc92d5de81cf934c89c76d6af329
---
 lib/index.ts | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/index.ts b/lib/index.ts
index 73d70f1cf8..c1cb8b12de 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -112,11 +112,13 @@ export class Server<
   /**
    * @private
    */
-  _nsps: Map<string, Namespace<ListenEvents, EmitEvents, ServerSideEvents>> =
-    new Map();
+  _nsps: Map<
+    string,
+    Namespace<ListenEvents, EmitEvents, ServerSideEvents, SocketData>
+  > = new Map();
   private parentNsps: Map<
     ParentNspNameMatchFn,
-    ParentNamespace<ListenEvents, EmitEvents, ServerSideEvents>
+    ParentNamespace<ListenEvents, EmitEvents, ServerSideEvents, SocketData>
   > = new Map();
   private _adapter?: AdapterConstructor;
   private _serveClient: boolean;
@@ -197,7 +199,9 @@ export class Server<
     name: string,
     auth: { [key: string]: any },
     fn: (
-      nsp: Namespace<ListenEvents, EmitEvents, ServerSideEvents> | false
+      nsp:
+        | Namespace<ListenEvents, EmitEvents, ServerSideEvents, SocketData>
+        | false
     ) => void
   ): void {
     if (this.parentNsps.size === 0) return fn(false);
@@ -579,7 +583,7 @@ export class Server<
     fn?: (
       socket: Socket<ListenEvents, EmitEvents, ServerSideEvents, SocketData>
     ) => void
-  ): Namespace<ListenEvents, EmitEvents, ServerSideEvents> {
+  ): Namespace<ListenEvents, EmitEvents, ServerSideEvents, SocketData> {
     if (typeof name === "function" || name instanceof RegExp) {
       const parentNsp = new ParentNamespace(this);
       debug("initializing parent namespace %s", parentNsp.name);