fix: ensure socket is closed (#3313)

* fix: ensure socket is closed

* socket client

* Create yellow-clocks-brake.md

---------

Co-authored-by: jxom <[email protected]>

Author: frolic

.changeset/yellow-clocks-brake.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Closed socket on cleanup for RPC transport.

src/utils/rpc/socket.ts

@@ -144,6 +144,9 @@ export async function getSocketRpcClient<socket extends {}>(
             requests.clear()
             subscriptions.clear()
 
+            // Make sure socket is definitely closed.
+            socketClient?.close()
+
             // Attempt to reconnect.
             if (reconnect && reconnectCount < attempts)
               setTimeout(async () => {
@@ -163,6 +166,9 @@ export async function getSocketRpcClient<socket extends {}>(
             requests.clear()
             subscriptions.clear()
 
+            // Make sure socket is definitely closed.
+            socketClient?.close()
+
             // Attempt to reconnect.
             if (reconnect && reconnectCount < attempts)
               setTimeout(async () => {