function recurse()

in codex-cli/src/utils/singlepass/context_files.ts [266:295]

• 27 lines of code
• 10 McCabe index (conditional complexity)

  function recurse(node: DirTree, prefix: string): void {
    const entries = Object.keys(node).sort((a, b) => {
      // Directories first, then files
      const aIsDir = node[a] != null;
      const bIsDir = node[b] != null;
      if (aIsDir && !bIsDir) {
        return -1;
      }
      if (!aIsDir && bIsDir) {
        return 1;
      }
      return a.localeCompare(b);
    });

    for (let i = 0; i < entries.length; i++) {
      const entry = entries[i];
      if (!entry) {
        continue;
      }

      const isLast = i === entries.length - 1;
      const connector = isLast ? "└──" : "├──";
      const isDir = node[entry] != null;
      lines.push(`${prefix}${connector} ${entry}`);
      if (isDir) {
        const newPrefix = prefix + (isLast ? "    " : "│   ");
        recurse(node[entry] as DirTree, newPrefix);
      }
    }
  }