From 048fec19797234408dffaab3f1ddd2e2e8ab85e6 Mon Sep 17 00:00:00 2001
From: Greg Nagy <greg@dhamma.works>
Date: Mon, 14 Jul 2025 17:12:18 +0400
Subject: [PATCH] feat: throw if there is no options used in server context

---
 src/common/utils.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/common/utils.ts b/src/common/utils.ts
index 93a0536..5ca6a85 100644
--- a/src/common/utils.ts
+++ b/src/common/utils.ts
@@ -18,6 +18,11 @@ export const decode = (str: string): string => {
 };
 
 export const isClientSide = (options?: OptionsType) => {
+  const renderPhase = getRenderPhase();
+  if (renderPhase === 'server' && typeof options === 'undefined') {
+    throw new Error('In server context, options must be provided');
+  }
+
   return !options?.req && !options?.res && !(options && 'cookies' in options && (options?.cookies as CookiesFn));
 };