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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Extra\Markdown;
use League\HTMLToMarkdown\HtmlConverter;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
final class MarkdownExtension extends AbstractExtension
{
public function getFilters(): array
{
return [
new TwigFilter('markdown_to_html', ['Twig\\Extra\\Markdown\\MarkdownRuntime', 'convert'], ['is_safe' => ['all']]),
new TwigFilter('html_to_markdown', [self::class, 'htmlToMarkdown'], ['is_safe' => ['all']]),
];
}
/**
* @internal
*/
public static function htmlToMarkdown(string $body, array $options = []): string
{
static $converters;
if (!class_exists(HtmlConverter::class)) {
throw new \LogicException('You cannot use the "html_to_markdown" filter as league/html-to-markdown is not installed; try running "composer require league/html-to-markdown".');
}
$options += [
'hard_break' => true,
'strip_tags' => true,
'remove_nodes' => 'head style',
];
if (!isset($converters[$key = serialize($options)])) {
$converters[$key] = new HtmlConverter($options);
}
return $converters[$key]->convert($body);
}
}
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