fs‑extra is a drop‑in replacement for Node’s built‑in fs module that adds a handful of missing file‑system utilities (e.g., copy, move, ensureDir, remove) and automatically promisifies all fs calls when no callback is supplied. It’s aimed at Node developers who want a single, promise‑friendly API for common tasks like recursive copying, directory creation, and safe removal without pulling in separate packages such as mkdirp or rimraf.