parseUtcISO static method

DateTime? parseUtcISO(
  1. String input
)

Implementation

static DateTime? parseUtcISO(String input) {
  var value = input.trim();
  if (value.isEmpty) return null;

  try {
    if (RegExp(r'[+-]\d{2}:?\d{2}$').hasMatch(value)) throw FormatException('Not a UTC timestamp');

    if (!value.endsWith('Z')) {
      value += 'Z';
    }

    return DateTime.parse(value);
  } catch (_) {
    return null;
  }
}