BookStack Code Mirror - bookstack/blob - app/Entities/Tools/Markdown/CustomStrikethroughRenderer.php

   1 <?php
   2
   3 namespace BookStack\Entities\Tools\Markdown;
   4
   5 use League\CommonMark\ElementRendererInterface;
   6 use League\CommonMark\Extension\Strikethrough\Strikethrough;
   7 use League\CommonMark\HtmlElement;
   8 use League\CommonMark\Inline\Element\AbstractInline;
   9 use League\CommonMark\Inline\Renderer\InlineRendererInterface;
  10
  11 /**
  12  * This is a somewhat clone of the League\CommonMark\Extension\Strikethrough\StrikethroughRender
  13  * class but modified slightly to use <s> HTML tags instead of <del> in order to
  14  * match front-end markdown-it rendering.
  15  */
  16 class CustomStrikethroughRenderer implements InlineRendererInterface
  17 {
  18     public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
  19     {
  20         if (!($inline instanceof Strikethrough)) {
  21             throw new \InvalidArgumentException('Incompatible inline type: ' . get_class($inline));
  22         }
  23
  24         return new HtmlElement('s', $inline->getData('attributes', []), $htmlRenderer->renderInlines($inline->children()));
  25     }
  26 }