Drupal\graphql_core\Plugin\GraphQL\Fields\MenuLink\MenuLinkAttribute

Complexity

Total Complexity

3

Size/Duplication

Total Lines	15
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	resolveValues()	0	10	3

<?php

namespace Drupal\graphql_core\Plugin\GraphQL\Fields\MenuLink;

use Drupal\Component\Utility\NestedArray;

The type Drupal\Component\Utility\NestedArray was not found. Maybe you did not declare it correctly or list all dependencies?

use Drupal\Core\Menu\MenuLinkTreeElement;

The type Drupal\Core\Menu\MenuLinkTreeElement was not found. Maybe you did not declare it correctly or list all dependencies?

use Drupal\graphql\GraphQL\Execution\ResolveContext;
use Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase;
use GraphQL\Type\Definition\ResolveInfo;

/**
 * Retrieve specific attributes of a menu link.
 *
 * @GraphQLField(
 *   id = "menu_link_attribute",
 *   secure = true,
 *   name = "attribute",
 *   type = "String",
 *   parents = {"MenuLink"},
 *   arguments = {
 *     "key" = "String!"
 *   }
 * )
 */
class MenuLinkAttribute extends FieldPluginBase {

  /**
   * {@inheritdoc}
   */
  protected function resolveValues($value, array $args, ResolveContext $context, ResolveInfo $info) {
    if ($value instanceof MenuLinkTreeElement) {
      $options = $value->link->getOptions();

      // Certain attributes like class can be arrays. Check for that and implode them.
      $attributeValue = NestedArray::getValue($options, ['attributes', $args['key']]);
      if (is_array($attributeValue)) {
        yield implode(' ', $attributeValue);
      } else {
        yield $attributeValue;
      }
    }
  }

}