public function DefaultValue::resolve in GraphQL 8.4

Same name in this branch

1. 8.4 src/GraphQL/Resolver/DefaultValue.php \Drupal\graphql\GraphQL\Resolver\DefaultValue::resolve()
2. 8.4 src/Plugin/GraphQL/DataProducer/EntityDefinition/Fields/DefaultValue.php \Drupal\graphql\Plugin\GraphQL\DataProducer\EntityDefinition\Fields\DefaultValue::resolve()

Resolve values for the fields.

Parameters

mixed $value:

mixed $args:

\Drupal\graphql\GraphQL\Execution\ResolveContext $context:

\GraphQL\Type\Definition\ResolveInfo $info:

\Drupal\graphql\GraphQL\Execution\FieldContext $field:

Return value

mixed

Overrides ResolverInterface::resolve

File

src/GraphQL/Resolver/DefaultValue.php, line 48

Class

DefaultValue

Default value resolver.

Namespace

Drupal\graphql\GraphQL\Resolver

Code

public function resolve($value, $args, ResolveContext $context, ResolveInfo $info, FieldContext $field) {
  $result = $this->value
    ->resolve($value, $args, $context, $info, $field);
  if ($result === NULL) {
    return $this->default
      ->resolve($value, $args, $context, $info, $field);
  }
  if ($result instanceof SyncPromise) {
    return DeferredUtility::returnFinally($result, function ($current) use ($value, $args, $context, $info, $field) {
      if ($current === NULL) {
        return $this->default
          ->resolve($value, $args, $context, $info, $field);
      }
      return $current;
    });
  }
  return $result;
}