Upgrading to 10.0

10.0 is major release of AutoMapper. It aims at supporting the new TypeInfo Component of Symfony

There is little change between 9.X and 10.0 version, but they are still a BC break so it need a major version.

Custom Transformers

If you were using the PropertyTransformerSupportInterface interface, its signature has changed to use the new TypeInfo component.

Before:

class MyTransformer implements PropertyTransformerSupportInterface
{
    public function supports(TypesMatching $types, SourcePropertyMetadata $source, TargetPropertyMetadata $target, MapperMetadata $mapperMetadata): bool
    {
        // ...
    }
}

After:

class MyTransformer implements PropertyTransformerSupportInterface
{
    public function supports(SourcePropertyMetadata $source, TargetPropertyMetadata $target, MapperMetadata $mapperMetadata): bool
    {
        // ...
    }
}

There is no more TypesMatching argument, you can get the source and target types from the SourcePropertyMetadata and TargetPropertyMetadata arguments, which are instance of Symfony\Component\TypeInfo\Type class.

class MyTransformer implements PropertyTransformerSupportInterface
{
    public function supports(SourcePropertyMetadata $source, TargetPropertyMetadata $target, MapperMetadata $mapperMetadata): bool
    {
        if ($source->type->isNullable()) {
            return false;
        }

        // ...
    }
}

See the transformers documentation for more information.