export function computeDaysRemaining(expiryDate: Date, from: Date = new Date()): number {
  const start = new Date(from.getFullYear(), from.getMonth(), from.getDate());
  const end = new Date(expiryDate.getFullYear(), expiryDate.getMonth(), expiryDate.getDate());
  const diff = end.getTime() - start.getTime();
  return Math.ceil(diff / (1000 * 60 * 60 * 24));
}