<?php
declare(strict_types=1);
namespace League\CommonMark\Extension\Mention;
use League\CommonMark\Environment\EnvironmentBuilderInterface;
use League\CommonMark\Extension\ConfigurableExtensionInterface;
use League\CommonMark\Extension\Mention\Generator\MentionGeneratorInterface;
use League\Config\ConfigurationBuilderInterface;
use League\Config\Exception\InvalidConfigurationException;
use Nette\Schema\Expect;
final class MentionExtension implements ConfigurableExtensionInterface
{
public function configureSchema(ConfigurationBuilderInterface $builder): void
{
$isAValidPartialRegex = static function (string $regex): bool {
$regex = '/' . $regex . '/i';
return @\preg_match($regex, '') !== false;
};
$builder->addSchema('mentions', Expect::arrayOf(
Expect::structure([
'prefix' => Expect::string()->required(),
'pattern' => Expect::string()->assert($isAValidPartialRegex, 'Pattern must not include starting/ending delimiters (like "/")')->required(),
'generator' => Expect::anyOf(
Expect::type(MentionGeneratorInterface::class),
Expect::string(),
Expect::type('callable')
)->required(),
])
));
}