auth, trips and join trips

lib/utils.ts

@@ -0,0 +1,19 @@
+import { clsx, type ClassValue } from "clsx";
+
+export function cn(...inputs: ClassValue[]) {
+  return clsx(inputs);
+}
+
+export function formatRupiah(amount: number): string {
+  return new Intl.NumberFormat("id-ID", {
+    style: "currency",
+    currency: "IDR",
+    minimumFractionDigits: 0,
+  }).format(amount);
+}
+
+export function formatDate(date: Date | string): string {
+  return new Intl.DateTimeFormat("id-ID", {
+    dateStyle: "long",
+  }).format(new Date(date));
+}