createNode method

@override Element createNode(InlineParser parser, String destination, String? title, { required List<Node> getChildren(), })

Create the node represented by a Markdown link.

Implementation

@override
Element createNode(
  InlineParser parser,
  String destination,
  String? title, {
  required List<Node> Function() getChildren,
}) {
  final element = Element.empty('img');
  final children = getChildren();
  element.attributes['src'] = normalizeLinkDestination(
    escapePunctuation(destination),
  );
  element.attributes['alt'] = children.map((node) {
    // See https://spec.commonmark.org/0.30/#image-description.
    // An image description may contain links. Fetch text from the alt
    // attribute if this nested link is an image.
    if (node is Element && node.tag == 'img') {
      return node.attributes['alt'];
    }
    return node.textContent;
  }).join();
  if (title != null && title.isNotEmpty) {
    element.attributes['title'] = normalizeLinkTitle(title);
  }
  return element;
}