module Taketo

  class DestinationMatcher
    def initialize(nodes)
      @nodes = nodes
    end

    def matches
      (path_matches + global_alias_matches).uniq
    end

    private

    def path_matches
      @nodes.map(&:path)
    end

    def global_alias_matches
      @nodes.select { |n| n.respond_to?(:global_alias) }.map(&:global_alias).map(&:to_s).reject(&:empty?)
    end
  end

end