ExternalLinkExtension.php
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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\ExternalLink;
use League\CommonMark\Environment\EnvironmentBuilderInterface;
use League\CommonMark\Event\DocumentParsedEvent;
use League\CommonMark\Extension\ConfigurableExtensionInterface;
use League\Config\ConfigurationBuilderInterface;
use Nette\Schema\Expect;
final class ExternalLinkExtension implements ConfigurableExtensionInterface
{
public function configureSchema(ConfigurationBuilderInterface $builder): void
{
$applyOptions = [
ExternalLinkProcessor::APPLY_NONE,
ExternalLinkProcessor::APPLY_ALL,
ExternalLinkProcessor::APPLY_INTERNAL,
ExternalLinkProcessor::APPLY_EXTERNAL,
];
$builder->addSchema('external_link', Expect::structure([
'internal_hosts' => Expect::type('string|string[]'),
'open_in_new_window' => Expect::bool(false),
'html_class' => Expect::string()->default(''),
'nofollow' => Expect::anyOf(...$applyOptions)->default(ExternalLinkProcessor::APPLY_NONE),
'noopener' => Expect::anyOf(...$applyOptions)->default(ExternalLinkProcessor::APPLY_EXTERNAL),
'noreferrer' => Expect::anyOf(...$applyOptions)->default(ExternalLinkProcessor::APPLY_EXTERNAL),
]));
}
public function register(EnvironmentBuilderInterface $environment): void
{
$environment->addEventListener(DocumentParsedEvent::class, new ExternalLinkProcessor($environment->getConfiguration()), -50);
}
}