YetiForceCompany/YetiForcePDF

<?php

declare(strict_types=1);
/**
 * FontWeight class.
 *
 * @package   YetiForcePDF\Style\Normalizer
 *
 * @copyright YetiForce Sp. z o.o
 * @license   MIT
 * @author    Rafal Pospiech <r.pospiech@yetiforce.com>
 */

namespace YetiForcePDF\Style\Normalizer;

/**
 * Class FontWeight.
 */
class FontWeight extends Normalizer
{
    public function normalize($ruleValue, string $ruleName = ''): array
    {
        if (null !== $this->normalized) {
            return $this->normalized;
        }
        $ruleValue = strtolower($ruleValue);
        if (!\in_array($ruleValue, ['100', '200', '300', '400', '500', '600', '700', '800', '900'])) {
            switch ($ruleValue) {
                case 'normal':
                    $ruleValue = '400';
                    break;
                case 'bold':
                    $ruleValue = '700';
                    break;
                default:
                    $ruleValue = '400';
            }
        }
        return $this->normalized = ['font-weight' => $ruleValue];
    }
}