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resources/js/hooks/useLocalizedRoutes.ts

@@ -1,11 +1,30 @@
 import { useLocale } from './useLocale';
 
+type LocalizedPathInput = string | null | undefined;
+
 export const useLocalizedRoutes = () => {
   const locale = useLocale();
 
-  const localizedPath = (path: string) => {
+  const localizedPath = (path: LocalizedPathInput) => {
+    if (typeof path !== 'string' || path.trim().length === 0) {
+      // Diagnose cases where components pass falsy / non-string hrefs (e.g. legacy localized routes, pagination links)
+      // This log allows us to correlate console errors from Inertia with offending components.
+      console.error('[useLocalizedRoutes] Invalid path input detected', {
+        path,
+        locale,
+        stack: new Error().stack,
+      });
+
+      return '/';
+    }
+
+    const trimmed = path.trim();
+    const normalized = trimmed.startsWith('/') ? trimmed : `/${trimmed}`;
+
+    console.debug('[useLocalizedRoutes] Resolved path', { input: path, normalized, locale });
+
     // Since prefix-free, return plain path. Locale is handled via session.
-    return path.startsWith('/') ? path : `/${path}`;
+    return normalized;
   };
 
   return { localizedPath };