getPackageInfo method

Future<PubPackageInfo?> getPackageInfo(String packageName)

Implementation

Future<PubPackageInfo?> getPackageInfo(String packageName) async {
  final uri = Uri.parse('https://pub.dev/api/packages/$packageName');

  try {
    final response = await client.get(uri);

    if (response.statusCode != 200) {
      return null;
    }

    final data = jsonDecode(response.body);

    if (data is! Map<String, dynamic>) {
      return null;
    }

    final latest = data['latest'];

    if (latest is! Map<String, dynamic>) {
      return null;
    }

    final version = latest['version']?.toString();

    if (version == null) {
      return null;
    }

    final pubspec = latest['pubspec'];

    String? publisher;
    String? repository;

    if (pubspec is Map) {
      publisher = pubspec['publisher']?.toString();
      repository = pubspec['repository']?.toString();
    }

    return PubPackageInfo(
      name: packageName,
      latestVersion: version,
      discontinued: latest['discontinued'] == true,
      publisher: publisher,
      repository: repository,
    );
  } catch (_) {
    return null;
  }
}