Function getDirectoryListingLinks

src/hooks/urlLoaderPolicy.ts:191–257

(
  listingUrl: string,
  rootUrl: string,
  html: string
)

}

export function getDirectoryListingLinks(
  listingUrl: string,
  rootUrl: string,
  html: string
): DirectoryListingLink[] {
  const root = getDirectoryRootUrl(rootUrl);
  if (!root) {
    return [];
  }

  let current: URL;
  try {
    current = new URL(listingUrl);
  } catch {
    return [];
  }

  const links: DirectoryListingLink[] = [];
  const seen = new Set<string>();
  const hrefPattern = /<a\b[^>]*\bhref\s*=\s*(?:"([^"]*)"|'([^']*)'|([^\s>]+))/gi;

  for (const match of html.matchAll(hrefPattern)) {
    const rawHref = match[1] ?? match[2] ?? match[3] ?? '';
    const href = decodeHtmlAttribute(rawHref.trim());
    if (shouldSkipDirectoryHref(href)) {
      continue;
    }

    let target: URL;
    try {
      target = new URL(href, current);
    } catch {
      continue;
    }

    target.hash = '';
    if (target.toString() === current.toString()) {
      continue;
    }

    const relativePath = getRelativeUrlPath(root, target);
    if (!relativePath) {
      continue;
    }

    const isDirectory = href.endsWith('/') || target.pathname.endsWith('/');
    const isSplat = isSplatFilePath(target.pathname);
    if (!isDirectory && !isSplat) {
      continue;
    }

    const key = target.toString();
    if (seen.has(key)) {
      continue;
    }

    seen.add(key);
    links.push({