test(i18n): validate nested housekeeping translation groups

src/i18n/housekeeping-messages.test.ts

@@ -5,6 +5,17 @@ import { visibleAdminNavigation } from "@/lib/admin-navigation";
 import en from "@/messages/en.json";
 import itMessages from "@/messages/it.json";
 
+function leafKeys(messages: Record<string, unknown>, prefix = ""): string[] {
+	return Object.entries(messages).flatMap(([key, value]) => {
+		const path = prefix ? `${prefix}.${key}` : key;
+		return typeof value === "string"
+			? [path]
+			: value && typeof value === "object"
+				? leafKeys(value as Record<string, unknown>, path)
+				: [];
+	});
+}
+
 it.each([
 	["en", en],
 	["it", itMessages],
@@ -34,7 +45,7 @@ it.each([
 		]);
 		for (const key of keys) translate(`pages.admin.nav.${key}`);
 		for (const area of ["actions", "table", "cmsErrors", "workQueue"] as const)
-			for (const key of Object.keys(en.pages.admin[area]))
+			for (const key of leafKeys(en.pages.admin[area]))
 				translate(`pages.admin.${area}.${key}`, {
 					count: 2,
 					action: "Save",