wl_base_help/lib/modes/clash/tun.dart

class TunConfig {
  final bool enable;
  final String stack;
  final List<String> dnsHijack;
  final bool autoRoute;
  final bool autoDetectInterface;

  TunConfig({
    required this.enable,
    required this.stack,
    required this.dnsHijack,
    required this.autoRoute,
    required this.autoDetectInterface,
  });

  factory TunConfig.fromMap(Map<String, dynamic> map) {
    return TunConfig(
      enable: map['enable'] ?? false,
      stack: map['stack'] ?? 'system',
      dnsHijack: List<String>.from(map['dns-hijack'] ?? []),
      autoRoute: map['auto-route'] ?? false,
      autoDetectInterface: map['auto-detect-interface'] ?? false,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'enable': enable,
      'stack': stack,
      'dns-hijack': dnsHijack,
      'auto-route': autoRoute,
      'auto-detect-interface': autoDetectInterface,
    };
  }

  String toYaml() {
    return '''
tun:
  enable: $enable
  stack: $stack
  dns-hijack:
   ${dnsHijack.map((item) => ' - $item').join('\n')}
  auto-route: $autoRoute
  auto-detect-interface: $autoDetectInterface
''';
  }
}