max method

JarDate max(
  1. DateTime max, [
  2. String? message
])

Implementation

JarDate max(DateTime max, [String? message]) {
  return addValidator((value) {
    if (value == null) return null;
    return value.isBefore(max) || value.isAtSameMomentAs(max)
        ? null
        : (message ?? 'Must be before ${max.toString()}');
  });
}