isNullOrEmpty method

bool isNullOrEmpty()

Check null or empty for any type

Implementation

bool isNullOrEmpty() {
  final value = this;
  if (value == null) return true;
  if (value is String) return value.trim().isEmpty;
  if (value is Iterable) return value.isEmpty;
  if (value is Map) return value.isEmpty;
  return false;
}