Function serializeInline

packages/shared/src/lib/markdownConversion.ts:209–268

(node: Node)

}

function serializeInline(node: Node): string {
  if (node.nodeType === Node.TEXT_NODE) {
    return normalizeText(node.textContent || '');
  }

  if (!(node instanceof Element)) {
    return '';
  }

  const tagName = node.tagName.toLowerCase();
  const wrapLines = (value: string, marker: '**' | '_' | '~~') => {
    if (!value.includes('\n')) {
      return `${marker}${value}${marker}`;
    }

    return value
      .split('\n')
      .map((line) => (line ? `${marker}${line}${marker}` : ''))
      .join('\n');
  };

  switch (tagName) {
    case 'strong':
    case 'b':
      return wrapLines(serializeChildren(node), '**');
    case 'em':
    case 'i':
      return wrapLines(serializeChildren(node), '_');
    case 's':
    case 'del':
    case 'strike':
      return wrapLines(serializeChildren(node), '~~');
    case 'a': {
      const href = node.getAttribute('href') || '';
      const label = serializeChildren(node) || href;
      return `[${label}](${href})`;
    }
    case 'code':
      return `\`${serializeChildren(node)}\``;
    case 'br':
      return '\n';
    case 'img': {
      const src = node.getAttribute('src') || '';
      const alt = node.getAttribute('alt') || '';
      return `![${alt}](${src})`;
    }
    case 'video': {
      const source = node.querySelector('source');
      const src = node.getAttribute('src') || source?.getAttribute('src') || '';
      const alt = node.getAttribute('aria-label') || '';
      return `![${alt}](${src})`;
    }
    case 'p':
      return serializeChildren(node).trim();
    case 'li':
      return serializeChildren(node).trim();
    default:
      return serializeChildren(node);