getWorkspaceInfo function

Future<WorkspaceInfo> getWorkspaceInfo(Directory directory)

Gets workspace information for the given directory by running dart pub workspace list --json and parsing the output

Implementation

Future<WorkspaceInfo> getWorkspaceInfo(Directory directory) async {
  // Check cache first
  final cacheKey = directory.absolute.path;
  if (_workspaceInfoCache.containsKey(cacheKey)) {
    return _workspaceInfoCache[cacheKey]!;
  }

  try {
    // Run dart pub workspace list --json
    final result = await Process.run(
      'dart',
      ['pub', 'workspace', 'list', '--json'],
      workingDirectory: directory.path,
      runInShell: true,
    );

    if (result.exitCode != 0) {
      // Command failed, not a workspace
      final info = WorkspaceInfo(
        isWorkspace: false,
        workspaceRoot: null,
        currentPackage: directory,
      );
      _workspaceInfoCache[cacheKey] = info;
      return info;
    }

    // Parse JSON output
    final jsonOutput =
        jsonDecode(result.stdout as String) as Map<String, dynamic>;
    final packages =
        (jsonOutput['packages'] as List<dynamic>?)
            ?.cast<Map<String, dynamic>>() ??
        [];

    if (packages.isEmpty) {
      // No packages found, not a workspace
      final info = WorkspaceInfo(
        isWorkspace: false,
        workspaceRoot: null,
        currentPackage: directory,
      );
      _workspaceInfoCache[cacheKey] = info;
      return info;
    }

    // Check if this is a workspace
    // A workspace has multiple packages and the first one is named "_"
    if (packages.length > 1 && packages[0]['name'] == '_') {
      final workspaceRootPath = packages[0]['path'] as String;
      final info = WorkspaceInfo(
        isWorkspace: true,
        workspaceRoot: Directory(workspaceRootPath),
        currentPackage: directory,
      );
      _workspaceInfoCache[cacheKey] = info;
      return info;
    }

    // Single package, not a workspace
    final info = WorkspaceInfo(
      isWorkspace: false,
      workspaceRoot: null,
      currentPackage: directory,
    );
    _workspaceInfoCache[cacheKey] = info;
    return info;
  } catch (e) {
    // Error running command, assume not a workspace
    final info = WorkspaceInfo(
      isWorkspace: false,
      workspaceRoot: null,
      currentPackage: directory,
    );
    _workspaceInfoCache[cacheKey] = info;
    return info;
  }
}