Dart: Featureflags

featureflags.dart

enum Environment {
  dev,
  qa,
  prod,
}

enum FeatureType {
  feature1,
  feature2,
}

extension FeatureTypeExtension on FeatureType {
  bool isFeatureEnabledFor(Environment environment) {
    switch (environment) {
      case Environment.dev:
        switch (this) {
          case FeatureType.feature1:
            return true;
          case FeatureType.feature2:
            return true;
          default:
            return false;
        }
        break;
      case Environment.qa:
        switch (this) {
          case FeatureType.feature1:
            return true;
          case FeatureType.feature2:
            return false;
          default:
            return false;
        }
        break;
      case Environment.prod:
        switch (this) {
          case FeatureType.feature1:
            return false;
          case FeatureType.feature2:
            return true;
          default:
            return false;
        }
        break;
      default:
        return false;
    }
  }
}