export function formatRupiah(n: number): string {
  return new Intl.NumberFormat('id-ID', { style: 'currency', currency: 'IDR', maximumFractionDigits: 0 }).format(n);
}

export function formatDateID(dateStr: string): string {
  const [y, m, d] = dateStr.split('-').map(Number);
  return new Date(y, m - 1, d).toLocaleDateString('id-ID', { day: 'numeric', month: 'long', year: 'numeric' });
}