Contents

# frozen_string_literal: true

module CobraCommander
  # Representation of the tree of components and their dependencies
  class ComponentTree
    def initialize(path)
      @root_path = path
    end

    def to_h
      GemComponentTree.new(UMBRELLA_APP_NAME, @root_path).to_h
    end

    # Represents a tree of gem components with dependencies extracted via Bundler
    class GemComponentTree
      def initialize(name, path, ancestry = Set.new)
        @name = name
        @root_path = path
        @ancestry = ancestry
      end

      def to_h
        {
          name: @name,
          path: @root_path,
          ancestry: @ancestry,
          dependencies: component_dependencies.map(&method(:dep_representation)),
        }
      end

    private

      def gemfile_path
        File.join(@root_path, "Gemfile")
      end

      def gemfile_lock_path
        File.join(@root_path, "Gemfile.lock")
      end

      def bundler_definition
        ::Bundler::Definition.build(gemfile_path, gemfile_lock_path, nil)
      end

      def component_dependencies
        bundler_definition.dependencies.select do |dep|
          dep.source&.is_a_path? && dep.source.path.to_s != "."
        end
      end

      def dep_representation(dep)
        path = File.expand_path(File.join(@root_path, dep.source.path, dep.name))
        ancestry = @ancestry + [{ name: @name, path: @root_path }]
        self.class.new(dep.name, path, ancestry).to_h
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
cobra_commander-0.1.2	lib/cobra_commander/component_tree.rb