Final push before system formatting

AppDev/ikt205_2026_18_study_sprint/source/lib/date.ts

@@ -0,0 +1,29 @@
+export const formatDate = (value?: string | null) => {
+  if (!value) return 'No date';
+
+  const date = new Date(value);
+
+  if (Number.isNaN(date.getTime())) return value;
+
+  return date.toLocaleDateString(undefined, {
+    year: 'numeric',
+    month: 'short',
+    day: 'numeric',
+  });
+};
+
+export const formatDateTime = (value?: string | null) => {
+  if (!value) return 'Unknown';
+
+  const date = new Date(value);
+
+  if (Number.isNaN(date.getTime())) return value;
+
+  return date.toLocaleString(undefined, {
+    year: 'numeric',
+    month: 'short',
+    day: 'numeric',
+    hour: 'numeric',
+    minute: '2-digit',
+  });
+};