gistfile1.txt

<?php

namespace Drupal\my_module\Plugin\GraphQL\Fields\Entity;

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

/**
 * @GraphQLField(
 *   id = "label",
 *   secure = true,
 *   name = "label",
 *   type = "String",
 *   parents = {"NodeArticle"}
 * )
 */
class NodeStoryParagraphImage extends FieldPluginBase {

  /**
   * {@inheritdoc}
   */
  public function resolveValues($value, array $args, ResolveContext $context, ResolveInfo $info) {
    if ($value instanceof EntityInterface) {
      return $value->label();
    }
  }

}