immich/mobile/lib/utils/builtin_extensions.dart

extension DurationExtension on String {
  Duration? toDuration() {
    try {
      final parts = split(':')
          .map((e) => double.parse(e).toInt())
          .toList(growable: false);
      return Duration(hours: parts[0], minutes: parts[1], seconds: parts[2]);
    } catch (e) {
      return null;
    }
  }

  double toDouble() {
    return double.parse(this);
  }

  int toInt() {
    return int.parse(this);
  }
}