formatDate function

String? formatDate(
  1. DateTime? date
)

Implementation

String? formatDate(DateTime? date) {
  if (date == null) return null;
  return "${date.year.toString().padLeft(4, '0')}-"
      "${date.month.toString().padLeft(2, '0')}-"
      "${date.day.toString().padLeft(2, '0')}";


}