run method

@override Future<void> run()

Runs this command.

The return value is wrapped in a Future if necessary and returned by CommandRunner.runCommand.

Implementation

@override
Future<void> run() async {
  final projectDir = findNitroProjectRoot();
  if (projectDir == null) {
    stderr.writeln('No Nitro project found in . or its subdirectories.');
    exit(1);
  }

  final headless = _headless;
  var deleted = 0;

  // Patterns that identify Nitrogen-generated files.
  bool isGenerated(String path) {
    final base = p.basename(path);
    return base.endsWith('.g.dart') ||
        base.endsWith('.bridge.g.swift') ||
        base.endsWith('.bridge.g.kt') ||
        base.endsWith('.bridge.g.h') ||
        (base.startsWith('Hybrid') && (base.endsWith('.hpp') || base.endsWith('.cpp')));
  }

  // Walk the project tree and delete generated files.
  // Skip .dart_tool and hidden dirs except when explicitly targeting them.
  void walk(Directory dir) {
    try {
      for (final entity in dir.listSync()) {
        final name = p.basename(entity.path);
        if (name.startsWith('.') || name == 'build') continue;
        if (entity is Directory) {
          walk(entity);
        } else if (entity is File && isGenerated(entity.path)) {
          final rel = p.relative(entity.path, from: projectDir.path);
          entity.deleteSync();
          if (headless) {
            stdout.writeln('[nitro:clean] deleted $rel');
          } else {
            stdout.writeln('  ${red('−')} $rel');
          }
          deleted++;
        }
      }
    } catch (_) {}
  }

  if (!headless) {
    stdout.writeln('');
    stdout.writeln(boldCyan('  ╔══════════════════════════╗'));
    stdout.writeln(boldCyan('  ║  nitrogen clean          ║'));
    stdout.writeln(boldCyan('  ╚══════════════════════════╝'));
    stdout.writeln('');
  }

  walk(projectDir);

  // Also delete build_runner lock + asset graph so the next run starts fresh.
  final buildDir = Directory(p.join(projectDir.path, '.dart_tool', 'build'));
  for (final name in ['lock', 'asset_graph.json']) {
    final f = File(p.join(buildDir.path, name));
    if (f.existsSync()) {
      f.deleteSync();
      final rel = p.relative(f.path, from: projectDir.path);
      if (headless) {
        stdout.writeln('[nitro:clean] deleted $rel');
      } else {
        stdout.writeln('  ${red('−')} $rel');
      }
    }
  }

  if (headless) {
    stdout.writeln('[nitro] $deleted generated file(s) removed');
  } else {
    stdout.writeln('');
    if (deleted == 0) {
      stdout.writeln(gray('  Nothing to clean — no generated files found.'));
    } else {
      stdout.writeln(boldGreen('  ✓ $deleted generated file(s) removed.'));
    }
    stdout.writeln('');
  }
}