updateDependencies method

Future<DependencyUpdateResult> updateDependencies()

Updates pubspec.yaml and returns a summary of changes made.

Implementation

Future<DependencyUpdateResult> updateDependencies() async {
  final pubspecFile = File('$projectPath/pubspec.yaml');
  if (!pubspecFile.existsSync()) {
    return const DependencyUpdateResult(added: [], commented: []);
  }

  String content = pubspecFile.readAsStringSync();
  final added = <String>[];
  final commented = <String>[];

  // Ensure dev_dependencies section exists before inserting into it.
  if (!content.contains('dev_dependencies:')) {
    content = '$content\ndev_dependencies:\n';
  }

  for (final entry in _riverpodDeps.entries) {
    if (!_hasDep(content, entry.key)) {
      content = _addDependency(content, entry.key, entry.value);
      added.add(entry.key);
    }
  }
  for (final entry in _riverpodDevDeps.entries) {
    if (!_hasDep(content, entry.key)) {
      content = _addDevDependency(content, entry.key, entry.value);
      added.add(entry.key);
    }
  }

  // Comment out legacy deps using replaceAllMapped so capture groups work.
  for (final pkg in _legacyDeps) {
    final pattern = RegExp(
      '^(\\s+)(${RegExp.escape(pkg)}:)',
      multiLine: true,
    );
    if (pattern.hasMatch(content)) {
      content = content.replaceAllMapped(
        pattern,
        (m) => '${m.group(1)}# ${m.group(2)}',
      );
      commented.add(pkg);
    }
  }

  pubspecFile.writeAsStringSync(content);
  return DependencyUpdateResult(added: added, commented: commented);
}