in app/components/primer/navigation/tab_component.rb [106:139]
def initialize(list: false, selected: false, with_panel: false, panel_id: "", icon_classes: "", wrapper_arguments: {}, **system_arguments)
@selected = selected
@icon_classes = icon_classes
@list = list
@with_panel = with_panel
@system_arguments = system_arguments
@id = @system_arguments[:id]
@wrapper_arguments = wrapper_arguments
if with_panel || @system_arguments[:tag] == :button
@system_arguments[:tag] = :button
@system_arguments[:type] = :button
@system_arguments[:role] = :tab
panel_id(panel_id)
@wrapper_arguments[:role] = :presentation
else
@system_arguments[:tag] = :a
end
@wrapper_arguments[:tag] = :li
@wrapper_arguments[:display] ||= :inline_flex
return unless @selected
if @system_arguments[:tag] == :a
aria_current = aria("current", system_arguments) || DEFAULT_ARIA_CURRENT_FOR_ANCHOR
@system_arguments[:"aria-current"] = fetch_or_fallback(ARIA_CURRENT_OPTIONS_FOR_ANCHOR, aria_current, DEFAULT_ARIA_CURRENT_FOR_ANCHOR)
else
@system_arguments[:"aria-selected"] = true
end
end