parse static method

Graph<DependencyNode, DependencyEdge> parse(Iterable<Pubspec> pubspecs)

Implementation

static Graph<DependencyNode, DependencyEdge> parse(
    Iterable<Pubspec> pubspecs) {
  final graph = Graph<DependencyNode, DependencyEdge>();

  for (final pubspec in pubspecs) {
    // Check if the node already exists and update its isInternal flag
    final existingNode = graph.nodes[pubspec.name];
    final pubspecNode =
        existingNode ?? DependencyNode(pubspec.name, isInternal: true);

    if (existingNode != null) {
      existingNode.isInternal =
          true; // Update isInternal if the node already exists
    } else {
      graph.ensureNodeExists(pubspecNode);
    }

    // Add dependencies for the current pubspec
    for (final entry in pubspec.dependencies.entries) {
      final dependencyName = entry.key;

      // Add or find the dependency node
      final dependencyNode = graph.nodes[dependencyName] ??
          DependencyNode(dependencyName, isInternal: false);

      if (!graph.nodes.containsKey(dependencyName)) {
        graph.ensureNodeExists(dependencyNode);
      }

      // Create an edge between the pubspec and its dependency
      final edge = DependencyEdge(pubspecNode, dependencyNode);
      graph.addEdge(edge);
    }
  }

  return graph;
}