README

How to use it

use SoftFineWare\SerializerDiscriminatorDefault\Attributes\DiscriminatorDefault;
use Symfony\Component\Serializer\Annotation\DiscriminatorMap;

#[DiscriminatorDefault(class: DefaultRequest::class)]
#[DiscriminatorMap(typeProperty: 'type', mapping: [
    'a' => ARequest::class,
])]
abstract class BaseRequest
{
    public function __construct(
        public readonly string $id,
        public readonly string $type
    )
    {
    }
}
class DefaultRequest extends BaseRequest {}

In case of no match json will de denormalized to default class specifing by DiscriminatorDefault attribute

DiscriminatorDefault should not point to a class with DiscriminatorMap new child class must be create as DefaultRequest above

Installation

This normalizer must have priority -999 before:

\Symfony\Component\Serializer\Normalizer\ObjectNormalizer::class