addAssetToPubspec static method

Future<void> addAssetToPubspec(String assetPath)

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7. Add Asset To Pubspec

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Implementation

static Future<void> addAssetToPubspec(String assetPath) async {
  final pubspec = File(_pubspecPath);

  if (!await pubspec.exists()) {
    print('❌ pubspec.yaml not found!');
    return;
  }

  final lines = await pubspec.readAsLines();

  if (lines.any((line) => line.trim().contains('- $assetPath'))) {
    print('⚠️ Asset "$assetPath" is already in pubspec.yaml');
    return;
  }

  final flutterIndex = lines.lastIndexWhere(
    (line) => line.trim() == 'flutter:',
  );

  if (flutterIndex != -1) {
    int assetsIndex = -1;

    for (int i = flutterIndex + 1; i < lines.length; i++) {
      final line = lines[i];
      if (line.trim().isNotEmpty && !line.startsWith('  ')) break;
      if (line.trim() == 'assets:') {
        assetsIndex = i;
        break;
      }
    }

    if (assetsIndex != -1) {
      lines.insert(assetsIndex + 1, '    - $assetPath');
      print('➕ Added "$assetPath" to existing assets list.');
    } else {
      lines.insertAll(flutterIndex + 1, ['  assets:', '    - $assetPath']);
      print('🆕 Created assets section and added "$assetPath".');
    }

    await pubspec.writeAsString(lines.join('\n'));
  } else {
    print('❌ "flutter:" section not found in pubspec.yaml');
  }
}