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LOYALIST-57 Correct BS5 accessible heading level: main nav
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custom/themes/the_loyalist_collection/templates/block--system-menu-block.html.twig
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| {# | ||
| /** | ||
| * @file | ||
| * Theme override for a menu block. | ||
| * | ||
| * Available variables: | ||
| * - plugin_id: The ID of the block implementation. | ||
| * - label: The configured label of the block if visible. | ||
| * - configuration: A list of the block's configuration values. | ||
| * - label: The configured label for the block. | ||
| * - label_display: The display settings for the label. | ||
| * - provider: The module or other provider that provided this block plugin. | ||
| * - Block plugin specific settings will also be stored here. | ||
| * - in_preview: Whether the plugin is being rendered in preview mode. | ||
| * - content: The content of this block. | ||
| * - attributes: HTML attributes for the containing element. | ||
| * - id: A valid HTML ID and guaranteed unique. | ||
| * - title_attributes: HTML attributes for the title element. | ||
| * - content_attributes: HTML attributes for the content element. | ||
| * - title_prefix: Additional output populated by modules, intended to be | ||
| * displayed in front of the main title tag that appears in the template. | ||
| * - title_suffix: Additional output populated by modules, intended to be | ||
| * displayed after the main title tag that appears in the template. | ||
| * | ||
| * Headings should be used on navigation menus that consistently appear on | ||
| * multiple pages. When this menu block's label is configured to not be | ||
| * displayed, it is automatically made invisible using the 'visually-hidden' CSS | ||
| * class, which still keeps it visible for screen-readers and assistive | ||
| * technology. Headings allow screen-reader and keyboard only users to navigate | ||
| * to or skip the links. | ||
| * See http://juicystudio.com/article/screen-readers-display-none.php and | ||
| * http://www.w3.org/TR/WCAG-TECHS/H42.html for more information. | ||
| */ | ||
| #} | ||
| {% | ||
| set classes = [ | ||
| 'block', | ||
| 'block-menu', | ||
| 'navigation', | ||
| 'menu--' ~ derivative_plugin_id|clean_class, | ||
| ] | ||
| %} | ||
| {% set heading_id = attributes.id ~ '-menu'|clean_id %} | ||
| <nav role="navigation" aria-labelledby="{{ heading_id }}"{{ attributes.addClass(classes)|without('role', 'aria-labelledby') }}> | ||
| {# Label. If not displayed, we still provide it for screen readers. #} | ||
| {% if not configuration.label_display %} | ||
| {% set title_attributes = title_attributes.addClass('visually-hidden') %} | ||
| {% endif %} | ||
| {{ title_prefix }} | ||
| <h2{{ title_attributes.setAttribute('id', heading_id) }}>{{ configuration.label }}</h2> | ||
| {{ title_suffix }} | ||
|
|
||
| {# Menu. #} | ||
| {% block content %} | ||
| {{ content }} | ||
| {% endblock %} | ||
| </nav> |