async function processLinkNode()

in packages/docusaurus-mdx-loader/src/remark/transformLinks/index.ts [107:140]

• 29 lines of code
• 11 McCabe index (conditional complexity)

async function processLinkNode(node: Link, context: Context) {
  if (!node.url) {
    // try to improve error feedback
    // see https://github.com/facebook/docusaurus/issues/3309#issuecomment-690371675
    const title = node.title || (node.children[0] as Literal)?.value || '?';
    const line = node?.position?.start?.line || '?';
    throw new Error(
      `Markdown link URL is mandatory in "${toMessageRelativeFilePath(
        context.filePath,
      )}" file (title: ${title}, line: ${line}).`,
    );
  }

  const parsedUrl = url.parse(node.url);
  if (parsedUrl.protocol || !parsedUrl.pathname) {
    // Don't process pathname:// here, it's used by the <Link> component
    return;
  }
  const hasSiteAlias = parsedUrl.pathname.startsWith('@site/');
  const hasAssetLikeExtension =
    path.extname(parsedUrl.pathname) &&
    !parsedUrl.pathname.match(/\.(?:mdx?|html)(?:#|$)/);
  if (!hasSiteAlias && !hasAssetLikeExtension) {
    return;
  }

  const assetPath = await getAssetAbsolutePath(
    decodeURIComponent(parsedUrl.pathname),
    context,
  );
  if (assetPath) {
    toAssetRequireNode(node, assetPath, context.filePath);
  }
}