refactor: add missing constraints (#4431)

DanielRosenwasser · web-flow · commit 134226e96cfa · 2022-09-01T21:13:55.000+01:00
See also: microsoft/TypeScript#49489
diff --git a/lib/namespace.ts b/lib/namespace.ts
@@ -33,9 +33,9 @@ export interface NamespaceReservedEventsMap<
 }
 
 export interface ServerReservedEventsMap<
-  ListenEvents,
-  EmitEvents,
-  ServerSideEvents,
+  ListenEvents extends EventsMap,
+  EmitEvents extends EventsMap,
+  ServerSideEvents extends EventsMap,
   SocketData
 > extends NamespaceReservedEventsMap<
     ListenEvents,
