fix: _app client build (#13)

hackmdio · Nov 29, 2023 · ec01f4c · ec01f4c
1 parent f93314a
commit ec01f4c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pages/_app.js b/pages/_app.js
@@ -27,7 +27,7 @@ const tagManagerArgs = {
   gtmId: process.env.NEXT_PUBLIC_GTM_ID,
 }
 
-if (tagManagerArgs.gtmId) {
+if (tagManagerArgs.gtmId && typeof window !== 'undefined') {
   TagManager.initialize(tagManagerArgs)
 }