DigiComp.FluidRenderFunctions/Classes/Utils/NodeRenderTransfer.php

<?php

declare(strict_types=1);

namespace DigiComp\FluidRenderFunctions\Utils;

use DigiComp\FluidRenderFunctions\InvokeRenderFunctionInterface;
use Neos\FluidAdaptor\Core\Rendering\RenderingContext;
use TYPO3Fluid\Fluid\Core\Parser\SyntaxTree\NodeInterface;

class NodeRenderTransfer implements InvokeRenderFunctionInterface
{
    /**
     * @var NodeInterface
     */
    protected NodeInterface $node;

    /**
     * @var string
     */
    protected string $subjectName;

    public function __construct(NodeInterface $node, string $subjectName = 'object')
    {
        $this->node = $node;
        $this->subjectName = $subjectName;
    }

    public function __invoke($object): string
    {
        $context = new RenderingContext(new DummyView());
        $context->getVariableProvider()->add($this->subjectName, $object);
        return \trim($this->node->evaluate($context));
    }
}