BookStack/app/Entities/Tools/Markdown/MarkdownToHtml.php

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<?php
namespace BookStack\Entities\Tools\Markdown;
use BookStack\Facades\Theme;
use BookStack\Theming\ThemeEvents;
use League\CommonMark\Block\Element\ListItem;
use League\CommonMark\CommonMarkConverter;
use League\CommonMark\Environment;
use League\CommonMark\Extension\Table\TableExtension;
use League\CommonMark\Extension\TaskList\TaskListExtension;
class MarkdownToHtml
{
protected string $markdown;
public function __construct(string $markdown)
{
$this->markdown = $markdown;
}
public function convert(): string
{
$environment = Environment::createCommonMarkEnvironment();
$environment->addExtension(new TableExtension());
$environment->addExtension(new TaskListExtension());
$environment->addExtension(new CustomStrikeThroughExtension());
$environment = Theme::dispatch(ThemeEvents::COMMONMARK_ENVIRONMENT_CONFIGURE, $environment) ?? $environment;
$converter = new CommonMarkConverter([], $environment);
$environment->addBlockRenderer(ListItem::class, new CustomListItemRenderer(), 10);
return $converter->convertToHtml($this->markdown);
}
}