From fa0180b21f6b37882f5e9d2471caa3174c138dab Mon Sep 17 00:00:00 2001
From: Fredrik Enestad <fredrik@enestad.com>
Date: Wed, 12 Mar 2025 16:47:28 +0100
Subject: [PATCH] tsparser: fix handshake helper type

---
 .../builder/templates/catalog/clients/endpoints_d_ts.handlebars | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tsparser/src/builder/templates/catalog/clients/endpoints_d_ts.handlebars b/tsparser/src/builder/templates/catalog/clients/endpoints_d_ts.handlebars
index 570d42916f..509bcd3f1e 100644
--- a/tsparser/src/builder/templates/catalog/clients/endpoints_d_ts.handlebars
+++ b/tsparser/src/builder/templates/catalog/clients/endpoints_d_ts.handlebars
@@ -14,7 +14,7 @@ import { {{name}} as {{name}}_handler } from {{toJSON import_path}};
 {{/if}}
 {{/each}}
 
-type StreamHandshake<Type> = Parameters<Type> extends [infer H, S] ? H : void;
+type StreamHandshake<Type extends (...args: any[]) => any> = Parameters<Type> extends [infer H, any] ? H : void;
 
 type StreamRequest<Type> = Type extends
   | StreamInOutHandlerFn<any, infer Req, any>