Function walk

src/extraction/index.ts:439–471

(absDir: string)

  };

  function walk(absDir: string): void {
    let realDir: string;
    try {
      realDir = fs.realpathSync(absDir);
    } catch {
      return;
    }
    if (visited.has(realDir)) return; // symlink-cycle guard
    visited.add(realDir);

    let entries: fs.Dirent[];
    try {
      entries = fs.readdirSync(absDir, { withFileTypes: true });
    } catch {
      return;
    }
    for (const entry of entries) {
      if (entry.name === '.git' || isCodeGraphDataDir(entry.name)) continue;
      const abs = path.join(absDir, entry.name);
      const rel = normalizePath(path.relative(rootDir, abs));
      if (!rel || rel.startsWith('..')) continue;
      if (entry.isSymbolicLink()) {
        try {
          const st = fs.statSync(fs.realpathSync(abs));
          consider(abs, rel, st.isDirectory());
        } catch {
          // broken symlink — skip
        }
        continue;
      }
      consider(abs, rel, entry.isDirectory());
    }
  }

  for (const root of roots) {
    walk(root === '' ? rootDir : path.join(rootDir, root));