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NullableHandler
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1<?php
2
3declare(strict_types=1);
4
5namespace Cosray\Field\Schema;
6
7use Cosray\Exception\RuntimeException;
8use Cosray\Field\Checkbox;
9use Cosray\Field\Field;
10use Override;
11
12class NullableHandler extends Handler
13{
14    #[Override]
15    public function apply(object $meta, Field $field): void
16    {
17        if (!$field instanceof Checkbox) {
18            throw new RuntimeException('Nullable requires a Checkbox field.');
19        }
20
21        $field->nullable = true;
22    }
23
24    #[Override]
25    public function properties(object $meta, Field $field): array
26    {
27        return [];
28    }
29}