fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

A babel plugin that adds istanbul instrumentation to ES6 code

A type-safe marriage of `EventTarget` and `EventEmitter`.

An implementation of the CSSStyleDeclaration class from the CSS Object Model specification

[](https://www.npmjs.com/package/@smithy/core) [](https://www.npmjs.com/package/@smithy/core)

A drop-in replacement for fs, making various improvements.

minimal implementation of a PassThrough stream

Minimal and efficient cross-platform file watching library

Vite plugin that gates HMR updates behind an HTTP flush signal

a CSS selector compiler/engine

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

a glob matcher in javascript

URL utilities for markdown-it

A deep deletion module for node (like `rm -rf`)

Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.

Isomorphic client library for supporting long-running operations in node.js and browser.

Enhance ESLint with better support for large scale monorepos

A generational cache with strict entry-count limits and payload validation.

Super-fast alternative to Babel for when you can target modern JS runtimes