textFromString function

String? textFromString(
  1. String input, {
  2. required int maxLength,
})

Implementation

String? textFromString(
  String input, {
  required int maxLength,
}) {
  final normalized = _trimAndNormalizeSpace(input);
  if (normalized.isEmpty) {
    return null;
  }
  if (normalized.length > maxLength) {
    return null;
  }
  return normalized;
}