class AppHelper { const AppHelper._(); //static const String APP_PACKAGE = 'smooth_app'; static const String? APP_PACKAGE = null; static String getAssetPath(String asset) { if (asset.startsWith('/')) { asset = asset.substring(1); } else if (asset.startsWith('packages/')) { return asset; } assert(asset.isNotEmpty); return asset; } static String get defaultAssetPath => getAssetPath('assets/'); }