Repeat the given string n times. Fastest implementation for repeating a string.

RFC4122 (v1, v4, and v5) UUIDs

Check if a buffer contains valid UTF-8

Copy static properties, prototype properties, and descriptors from one object to another.

A more versatile way of adding & removing event listeners

Check if a buffer contains valid UTF-8

Map `visit` over an array of objects.

TypeScript definitions for ws

Iterate over the own enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js.

React is a JavaScript library for building user interfaces.

A library of cross-platform tested terminal/console command strings for doing things like color and cursor positioning. This is a subset of both ansi and vt100. All control codes included work on both Windows & Unix-like OSes, except where noted.

Another JSON Schema Validator

No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach / map function for JavaScript.

minimal implementation of a PassThrough stream

simplified stream construction

Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js

Unicode property alias mappings in JavaScript format for property names that are supported in ECMAScript RegExp property escapes.

split japanese, english text into sentences.

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

Keymap plugin for ProseMirror

Returns true if the value is an object and not an array or null.

Fastest brace expansion for node.js, with the most complete support for the Bash 4.3 braces specification.

Expand POSIX bracket expressions (character classes) in glob patterns.

The Next Generation of CSS-in-JS.