Function walkTextFiles

scripts/github-actions/check-plugin-contract.js:579–619

(repoRoot, rel = "", seen = new Set())

// an ancestor from looping forever and stops a linked subtree being scanned
// twice.
function walkTextFiles(repoRoot, rel = "", seen = new Set()) {
  const abs = path.join(repoRoot, rel);
  try {
    const real = fs.realpathSync(abs);
    if (seen.has(real)) return [];
    seen.add(real);
  } catch (e) {
    return [];
  }
  const out = [];
  let entries;
  try {
    entries = fs.readdirSync(abs, { withFileTypes: true });
  } catch (e) {
    return out;
  }
  // Sorted so annotations come out in a stable order run to run.
  entries.sort((a, b) => (a.name < b.name ? -1 : a.name > b.name ? 1 : 0));
  for (const entry of entries) {
    const childRel = rel ? `${rel}/${entry.name}` : entry.name;
    let isDir = entry.isDirectory();
    let isFile = entry.isFile();
    if (!isDir && !isFile) {
      if (!entry.isSymbolicLink()) continue; // socket, FIFO, device
      try {
        const stat = fs.statSync(path.join(abs, entry.name)); // follows the link
        isDir = stat.isDirectory();
        isFile = stat.isFile();
      } catch (e) {
        continue; // dangling link
      }
    }
    if (isDir) {
      if (SCAN_SKIP_DIRS.has(entry.name)) continue;
      out.push(...walkTextFiles(repoRoot, childRel, seen));
    } else if (isFile) {
      out.push(childRel);
    }
  }
  return out;
}

function probeKind(repoRoot, repoPath) {
  try {