App\Markdown\Renderer\HeadingRenderer

Complexity

Total Complexity

3

Size/Duplication

Total Lines	21
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	render()	0	16	3

<?php

namespace App\Markdown\Renderer;

use InvalidArgumentException;
use League\CommonMark\Block\Element\AbstractBlock;
use League\CommonMark\Block\Element\Heading;
use League\CommonMark\Block\Renderer\BlockRendererInterface;
use League\CommonMark\ElementRendererInterface;
use League\CommonMark\HtmlElement;
use League\CommonMark\Util\Xml;

class HeadingRenderer implements BlockRendererInterface {

    /**
     * @inheritDoc
     */
    public function render(AbstractBlock $block, ElementRendererInterface $htmlRenderer, $inTightList = false): string|HtmlElement|null {
        if(!$block instanceof Heading) {
            throw new InvalidArgumentException(sprintf('$block must be of type "%s" ("%s" given)', Heading::class, $block::class));
        }

        $level = $block->getLevel();
        $level = min($level + 4, 6);

        $tag = 'h' . $level;

        $attrs = [];
        foreach ($block->getData('attributes', []) as $key => $value) {
            $attrs[$key] = Xml::escape($value);
        }

        return new HtmlElement($tag, $attrs, $htmlRenderer->renderInlines($block->children()));
    }
}