run method

Implementation

@override
Future<void> run() async {
  final rawFeatureName = argResults?.rest.firstOrNull;

  if (rawFeatureName == null) {
    throw UsageException('Missing feature name.', usage);
  }

  final featureName = rawFeatureName.toSnakeCase();
  if (featureName.isEmpty) {
    throw UsageException('Invalid feature name "$rawFeatureName".', usage);
  }

  final projectDirectory = Directory(
    argResults?['project-dir'] as String? ?? Directory.current.path,
  );
  final force = argResults?['force'] as bool? ?? false;
  final shouldRunSlang = argResults?['run-slang'] as bool? ?? true;

  final pubspec = File(p.join(projectDirectory.path, 'pubspec.yaml'));
  if (!pubspec.existsSync()) {
    throw UsageException(
      'Could not find pubspec.yaml. Run this command from a Flutter project root.',
      usage,
    );
  }

  final packageName = readPackageName(pubspec);
  if (packageName == null) {
    throw UsageException(
      'Could not read the package name from pubspec.yaml.',
      usage,
    );
  }

  final featureDirectory = Directory(
    p.join(projectDirectory.path, 'lib', 'features', featureName),
  );

  if (featureDirectory.existsSync() && !force) {
    throw UsageException(
      'Feature "$featureName" already exists. Use --force to overwrite it.',
      usage,
    );
  }

  final languages = _resolveLanguages(
    projectDirectory,
    argResults?['languages'] as String?,
  );

  FeatureWriter(
    featureName: featureName,
    packageName: packageName,
    projectDirectory: projectDirectory,
    languages: languages,
    force: force,
  ).write();

  _logger.success('Feature "$featureName" created');

  if (shouldRunSlang &&
      File(p.join(projectDirectory.path, 'slang.yaml')).existsSync()) {
    final generated = await _processRunner.run(
      message: 'Generating translations',
      executable: 'dart',
      arguments: ['run', 'slang'],
      workingDirectory: projectDirectory.path,
      failureMessage: 'Slang generation failed',
      successMessage: 'Translations generated',
    );

    if (!generated) return;
  }

  _logger
    ..info('')
    ..info('Next steps:')
    ..info('  Import ${featureName.toPascalCase()}Screen where you need it')
    ..info('  Add a route or navigation entry if this feature needs one');
}