bs_lib-8.x-1.0-alpha3/bs_lib.module

<?php

/**
 * @file
 * Main module file.
 */

/**
 * Implements hook_theme().
 */
function bs_lib_theme() {
  return [
    'bs_lib_toggle_button' => [
      'render element' => 'elements',
    ],
  ];
}

/**
 * Implements hook_page_attachments().
 */
function bs_lib_page_attachments(array &$attachments) {
  $anchor_scroll = \Drupal::config('bs_lib.settings')->get('anchor_scroll');
  if ($anchor_scroll['enable'] && !\Drupal::service('router.admin_context')->isAdminRoute()) {
    $attachments['#attached']['drupalSettings']['bs_lib']['anchor_scroll'] = $anchor_scroll;
    $attachments['#attached']['library'][] = 'bs_lib/anchor_scroll';
  }
}

/**
 * Prepares variables for bs_lib_toogle_button template.
 */
function template_preprocess_bs_lib_toggle_button(&$variables) {
  if (!empty($variables['elements']['#options']['attributes'])) {
    $variables = array_merge($variables, $variables['elements']['#options']);
  }
}