refactor: Simplifying dir assignment

      # @param dir [String, Pathname] Directory path containing YAML file definitions

      #   Defaults to 'config/covered_experiences' relative to the calling application's root

      def initialize(dir: nil)

        @dir = dir

      def initialize(dir: File.join("config", "covered_experiences"))

        @dir = Pathname.new(Dir.pwd).join(dir)

        @experiences = load_on_demand

        @invalid_definitions = {}

      end

      #

      # @return [Hash] Hash with lazy loading behavior

      def load_on_demand

        unless directory_exists?(directory_path)

          warn("Directory not readable: #{directory_path}")

        unless directory_exists?

          warn("Directory not readable: #{@dir}")

          return {}

        end

        read_experience(file_path, experience_id) if file_path

      end

      # Resolve the directory path, using default if @dir not provided.

      # Expands relative paths from the current working directory.

      #

      # @return [Pathname] Resolved directory path

      def directory_path

        dir = @dir || File.join("config", "covered_experiences")

        Pathname.new(Dir.pwd).join(dir)

      end

      def directory_exists?(directory_path)

        directory_path.exist? && directory_path.directory? && directory_path.readable?

      def directory_exists?

        @dir.exist? && @dir.directory? && @dir.readable?

      end

      def experience_definitions

        @experience_definitions ||=

          directory_path.glob('*.yml').each_with_object({}) do |file_path, hash| # rubocop:disable Rails/IndexBy

          @dir.glob('*.yml').each_with_object({}) do |file_path, hash| # rubocop:disable Rails/IndexBy

            hash[file_path.basename('.yml').to_s] = file_path

          end

      end