y_lb.module

<?php

use Drupal\Core\Form\FormStateInterface;
use Drupal\block_content\BlockContentInterface;
use Drupal\layout_builder\Form\DefaultsEntityForm;
use Drupal\layout_builder\Form\OverridesEntityForm;

/**
 * Implements hook_theme().
 */
function y_lb_theme( $existing, $type, $theme, $path ) {
  return [
    'block__lb_node_share' => [
      'base hook' => 'block'
    ],
    'block__lb_node_locations' => [
      'base hook' => 'block'
    ]
  ];
}

/**
 * Implements hook_theme_suggestions_HOOK_alter() for form templates.
 */
function y_lb_theme_suggestions_block_alter(array &$suggestions, array $variables) {
  $content = $variables['elements']['content'];
  if (isset($content['#block_content']) && $content['#block_content'] instanceof BlockContentInterface) {
    // Add 'block--BLOCK-TYPE.html.twig'.
    $block_type_suggestions[] = 'block__' . $content['#block_content']->bundle();

    // Add 'block--BLOCK-TYPE--VIEW-MODE.html.twig'.
    $block_type_suggestions[] = 'block__' . $content['#block_content']->bundle() . '__' . $content['#view_mode'];

    // Because block__block_content exists twice in $suggestions,
    // the suggestion arrays are reversed for further processing.
    $suggestions_rev = array_reverse($suggestions);
    $block_type_suggestions = array_reverse($block_type_suggestions);

    // Insert the block type and view mode suggestions between
    // block__block_content and the block instance-specific suggestions.
    $index = array_search('block__block_content', $suggestions_rev);
    if (is_numeric($index)) {
      array_splice($suggestions_rev, $index, 0, $block_type_suggestions);
      $suggestions = array_reverse($suggestions_rev);
    }
    // If block__block_content isn't present as a suggestion.
    else {
      $suggestions_rev = array_merge($suggestions_rev, $block_type_suggestions);
      $suggestions = array_reverse($suggestions_rev);
    }
  }
}

/**
 * Implements hook_form_alter().
 */
function y_lb_form_alter(&$form, FormStateInterface $form_state) {
  $form_object = $form_state->getFormObject();
  if ($form_object instanceof OverridesEntityForm
    || $form_object instanceof DefaultsEntityForm
    || $form_object->getFormId() === 'layout_layout_builder_form') {
    $form['#attached']['library'][] = 'y_lb/layout_builder';
    $form['#attached']['library'][] = 'y_lb/main';
  }
}

/**
 * Implements hook_page_attachments_alter().
 */
function y_lb_page_attachments_alter(array &$page) {
  $entity_types = array_keys(\Drupal::entityTypeManager()->getDefinitions());
  $entity_canonical_routes = [];

  foreach ($entity_types as $entity_type_id) {
    $entity_canonical_routes[] = 'entity.' . $entity_type_id . '.canonical';
  }

  $route_match = \Drupal::routeMatch();
  // Attach the libraries only in entity canonical route.
  if (in_array($route_match->getRouteName(), $entity_canonical_routes)) {
    // Attach the Y-LB main styles.
    $page['#attached']['library'][] = 'y_lb/main';
  }
}

/**
 * Implements hook_form_BASE_FORM_ID_alter() for layout_builder_add_block.
 *
 * @TODO: Keep an eye on https://www.drupal.org/project/drupal/issues/3074435
 */
function y_lb_form_layout_builder_add_block_alter(&$form, FormStateInterface $form_state) {
  if ( isset($form['settings']['block_form']['#block'])
    && strpos($form['settings']['block_form']['#block']->bundle(), 'lb_') === 0
    && isset($form['settings']['label_display'])) {
    // Uncheck the 'Display Title' by default.
    $form['settings']['label_display']['#default_value'] = FALSE;
  }
}

/**
 * Implements hook_preprocess_HOOK() for block templates.
 */
function y_lb_preprocess_block(&$variables) {
  switch ($variables['plugin_id']) {
    case 'system_breadcrumb_block':
      $variables['attributes']['class'][] ='block-lb-breadcrumbs';
      $variables['#attached']['library'][] = 'y_lb/breadcrumbs';
      break;
    case 'lb_node_share':
    case 'lb_node_tags':
    case 'lb_node_locations':
      $variables['#attached']['library'][] = 'y_lb/blocks';
      break;
  }
}