configure typescript + begin conversion

src/utils/date/formatTime.ts

@@ -0,0 +1,12 @@
+
+export default function formatTime(d: string | Date | null | undefined): string {
+  if (!d) return "Heure inconnue";
+
+  const date = d instanceof Date ? d : new Date(d);
+  if (isNaN(date.getTime())) return "Heure invalide";
+
+  const hh = String(date.getUTCHours()).padStart(2, "0");
+  const min = String(date.getUTCMinutes()).padStart(2, "0");
+
+  return `${hh}:${min}`;
+}