class Primer::Alpha::Layout::Main

def call
  render(Primer::BaseComponent.new(**@system_arguments)) do
    if @width == :full
      content
    else
      render(Primer::BaseComponent.new(tag: :div, classes: "Layout-main-centered-#{@width}")) do
        render(Primer::BaseComponent.new(tag: :div, container: @width)) do
          content
        end
      end
    end
  end
end

def initialize(tag: TAG_DEFAULT, width: WIDTH_DEFAULT, **system_arguments)
  @width = fetch_or_fallback(WIDTH_OPTIONS, width, WIDTH_DEFAULT)
  @system_arguments = system_arguments
  @system_arguments[:tag] = fetch_or_fallback(TAG_OPTIONS, tag, TAG_DEFAULT)
  @system_arguments[:classes] = class_names(
    "Layout-main",
    system_arguments[:classes]
  )
end