read static method

Pubspec? read(String packageDir)

Implementation

static Pubspec? read(String packageDir) {
  final file = File(p.join(packageDir, 'pubspec.yaml'));
  if (!file.existsSync()) return null;
  final doc = loadYaml(file.readAsStringSync());
  if (doc is! YamlMap) return null;
  final names = <String>{};
  final runtime = <String>{};
  final sdk = <String>{};
  final paths = <String, String>{};
  for (final block in const [
    'dependencies',
    'dev_dependencies',
    'dependency_overrides',
  ]) {
    final section = doc[block];
    if (section is! YamlMap) continue;
    for (final entry in section.entries) {
      final name = entry.key.toString();
      names.add(name);
      if (block == 'dependencies') runtime.add(name);
      final spec = entry.value;
      if (spec is YamlMap && spec['path'] != null) {
        paths[name] = p.normalize(
          p.join(packageDir, spec['path'].toString()),
        );
      }
      if (spec is YamlMap && spec['sdk'] != null) sdk.add(name);
    }
  }
  return Pubspec._(
    doc['name'].toString(),
    packageDir,
    names,
    paths,
    runtime,
    sdk,
  );
}