.

components/utility/home-redirector.tsx

@@ -4,6 +4,13 @@ import { useEffect } from 'react'
 import { useRouter } from 'next/navigation'
 import i18nConfig from '@/i18nConfig'
 
+
+
+const isValidLocale = (locale: string): locale is (typeof i18nConfig.locales)[number] => {
+  return (i18nConfig.locales as readonly string[]).includes(locale)
+}
+
+
 export default function HomeRedirector() {
   const router = useRouter()
 
@@ -13,13 +20,13 @@ export default function HomeRedirector() {
 
     if (
       preferred &&
-      (i18nConfig.locales as string[]).includes(preferred) &&
+      isValidLocale(preferred) &&
       !currentPath.startsWith(`/${preferred}/`)
     ) {
       const newPath = `/${preferred}${currentPath}`
       router.replace(newPath)
     }
-    
+
   }, [])
 
   return null