Serve static files

TypeScript definitions for which

Compile ES2015 Unicode regex to ES5

option parsing and help generation

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

Reuse objects and functions with style

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

XML language support for the CodeMirror code editor

Generate self signed certificates private and public keys

Stylish, intuitive and user-friendly prompt system. Fast and lightweight enough for small projects, powerful and extensible enough for the most advanced use cases.

node's assert.deepEqual algorithm

HTTP proxying for the masses

Simple yet powerful framework for building command-line apps.

Is this an arguments object? It's a harder question than you think.

Store information about any JS value in a side channel, using a Map

The semantic version parser used by npm.

An implementation of the Unicode TR46 spec

emotion's cache

JavaScript parser and stringifier for YAML

Easy error subclassing and stack customization

Basic configuration for the CodeMirror code editor

A structuredClone polyfill

Parse HTTP X-Forwarded-For header

ECMAScript â ToPrimitiveâ algorithm. Provides ES5 and ES2015 versions.