parse method

Future<PubspecInfo> parse(String filePath)

Parses the pubspec.yaml at filePath and returns a PubspecInfo.

Throws a FileSystemException when the file does not exist.

Implementation

Future<PubspecInfo> parse(String filePath) async {
  final file = File(filePath);
  if (!file.existsSync()) throw FileSystemException('not found', filePath);

  final yaml = loadYaml(await file.readAsString()) as YamlMap;
  final name = yaml['name'] as String? ?? 'unknown';

  final lockPath = filePath.replaceFirst('pubspec.yaml', 'pubspec.lock');
  final locked = await _readLock(lockPath);

  final deps = _block(yaml['dependencies'], locked);
  final devDeps = _block(yaml['dev_dependencies'], locked);

  VersionConstraint? sdk;
  final env = yaml['environment'];
  if (env is YamlMap) {
    try {
      sdk = VersionConstraint.parse(env['sdk'] as String? ?? '');
    } catch (_) {}
  }

  return PubspecInfo(
    name: name,
    dependencies: deps,
    devDependencies: devDeps,
    sdkConstraint: sdk,
    path: filePath,
  );
}