getFilename method

String? getFilename(
  1. String? newName
)

Implementation

String? getFilename(String? newName) {
  if (this == null) return null;
  final extension = this!.split('.').last;

  if (newName != null) {
    return '$newName.$extension';
  } else {
    return '${DateTime.now().millisecondsSinceEpoch}.$extension';
  }
}