blazy-8.x-2.x-dev/tests/modules/blazy_test/blazy_test.module

<?php

/**
 * @file
 * Testing various Blazy hooks, etc.
 */

use Drupal\blazy\BlazyDefault;

/**
 * Implements hook_theme().
 */
function blazy_test_theme() {
  return ['blazy_test' => ['render element' => 'element']];
}

/**
 * Prepares variables for blazy-test.html.twig templates.
 */
function template_preprocess_blazy_test(&$variables) {
  $element = $variables['element'];

  $variables['content'] = $element['#children'];
  $variables['settings'] = $element['#settings'] ?? [];
}

/**
 * Implements hook_blazy_attach_alter().
 */
function blazy_test_blazy_attach_alter(array &$load, array $settings = []) {
  if (!empty($settings['blazy_test'])) {
    $load['library'][] = 'foo/fake_library';

    $manager = \Drupal::service('blazy.manager');
    $template = ['#theme' => 'blazy_test'];
    $load['drupalSettings']['blazy_test'] = [
      'options' => ['slideshow' => TRUE],
      'container' => $manager->renderInIsolation($template),
    ];
  }
}

/**
 * Implements hook_blazy_lightboxes_alter().
 */
function blazy_test_blazy_lightboxes_alter(array &$lightboxes) {
  $lightboxes[] = 'blazy_test';
}

/**
 * Implements hook_config_schema_info_alter().
 */
function blazy_test_config_schema_info_alter(array &$definitions) {
  $extra = ['thumbnail' => ''] + BlazyDefault::gridSettings();
  blazy()->configSchemaInfoAlter($definitions, 'blazy_base', BlazyDefault::extendedSettings() + $extra);
}