module DocumentationSupport

def docs
  target = params[:page].presence || "index"
  # TODO For some reason this didn't work on Heroku.
  # all_paths = ([Rails.root.to_s] + `bundle show --paths`.lines.map(&:chomp))
  # @path = all_paths.map { |path| path + "/docs/#{target}.md" }.detect { |path| File.exist?(path) }
  @path = "#{BULLET_TRAIN_BASE_PATH}/docs/#{target}.md"
  render :docs, layout: "docs"
end