Youshido / GraphQL

        $alias         = $mutation->hasAlias() ? $mutation->getAlias() : $mutation->getName();

        $resolvedValue = $this->resolveValue($field, null, $mutation);

        if (!$this->resolveValidator->validateResolvedValue($resolvedValue, $field->getType()->getKind())) {

            $this->resolveValidator->addError(new ResolveException(sprintf('Not valid resolved value for mutation "%s"', $field->getType()->getName())));

            return [$alias => null];

        }

        $value = null;

        if ($mutation->hasFields()) {

            $resolvedValue = $this->resolveValue($field, $contextValue, $query);

            $alias         = $query->hasAlias() ? $query->getAlias() : $query->getName();

            if (!$this->resolveValidator->validateResolvedValue($resolvedValue, $field->getType()->getKind())) {

                $this->resolveValidator->addError(new ResolveException(sprintf('Not valid resolved value for query "%s"', $field->getType()->getName())));

                return [$alias => null];

            }

            $value = [];

            if($resolvedValue){