MapValues.php

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<?php

declare(strict_types=1);

namespace ILIAS\Refinery\Container;

use ILIAS\Refinery\Transformation;
use ILIAS\Refinery\DeriveInvokeFromTransform;
use ILIAS\Refinery\DeriveApplyToFromTransform;
use InvalidArgumentException;

class MapValues implements Transformation
{
    use DeriveInvokeFromTransform;
    use DeriveApplyToFromTransform;

    protected string $type;
    private Transformation $trafo;

    public function __construct(Transformation $trafo)
    {
        $this->trafo = $trafo;
    }

    public function transform($from): array
    {
        if (!is_array($from)) {
            throw new InvalidArgumentException(__METHOD__ . " argument is not an array.");
        }

        return array_map(function ($a) {
            return $this->trafo->transform($a);
        }, $from);
    }
}