fromWorkspaceRoot static method

Future<MelosWorkspaceConfig> fromWorkspaceRoot(Directory workspaceRoot)

Loads the MelosWorkspaceConfig for the workspace at workspaceRoot.

Implementation

static Future<MelosWorkspaceConfig> fromWorkspaceRoot(
  Directory workspaceRoot,
) async {
  final rootPubspecFile = File(pubspecPathForDirectory(workspaceRoot.path));

  if (!rootPubspecFile.existsSync()) {
    throw UnresolvedWorkspace(
      multiLine([
        'Found no pubspec.yaml file in "${workspaceRoot.path}".',
        '',
        'You must have a ${AnsiStyles.bold('pubspec.yaml')} file in the root '
            'of your workspace.',
        '',
        'For more information, see: '
            'https://melos.invertase.dev/configuration/overview',
      ]),
    );
  }

  late final Object? rootPubspecContent;
  try {
    rootPubspecContent = loadYamlNode(
      await rootPubspecFile.readAsString(),
      sourceUrl: rootPubspecFile.uri,
    ).toPlainObject();
  } on YamlException catch (error) {
    throw MelosConfigException('Failed to parse root pubspec.yaml:\n$error');
  }

  if (rootPubspecContent is! Map<Object?, Object?>) {
    throw MelosConfigException('pubspec.yaml must contain a valid YAML.');
  }

  if (rootPubspecContent['melos'] is! Map<Object?, Object?>?) {
    throw MelosConfigException(
      'If a melos section is present in the root pubspec.yaml file, it must '
      'be a map.',
    );
  }

  return MelosWorkspaceConfig.fromYaml(
    rootPubspecContent,
    path: workspaceRoot.path,
  );
}