function template_preprocess_toc_back_to_top in TOC API 8

Prepares variables for back to top link.

Default template: toc-back-to-top.html.twig.

Parameters

array $variables: An associative array containing the following keys:

• toc: A TOC (table of contents) object.
• item: A table of contents header item.
• attributes: Attributes to be added to back to top link.

File

./toc_api.module, line 92

Converts header tags into a hierarchical table of contents.

Code

function template_preprocess_toc_back_to_top(&$variables) {

  /** @var \Drupal\toc_api\TocInterface $toc */
  $toc = $variables['toc'];
  $options = $toc
    ->getOptions();
  $variables['attributes']['href'] = '#top';
  $variables['attributes'] = new Attribute($variables['attributes']);
  $variables['label'] = $options['top_label'] ?: t('Back to top');
}