class Lookbook::Preview

def preview_files
  files = Array(Lookbook.config.preview_paths).map do |preview_path|
    Dir["#{preview_path}/**/*preview.rb"].map do |path|
      {
        path: path,
        base_path: preview_path,
        rel_path: Pathname(path).relative_path_from(preview_path).to_s
      }
    end
  end
  files.flatten
end