module Jot
  module Ruby
    module Utils
      module Snippets
        def not_implemented(*method_names)
          not_implemented_module = Module.new do
            method_names.each do |method_name|
              define_method method_name do |*_args|
                raise NotImplementedError, method_name
              end
            end
          end
          include not_implemented_module
        end

        def gem_root
          root = File.dirname(File.expand_path(caller_locations(1, 1)[0].path))
          while root != '/'
            return root unless Dir[File.join(root, '*.gemspec')].empty?
            root = File.dirname(root)
          end
          nil
        end
      end
    end
  end
end