Merge CSS rules with PostCSS.

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Port of jQuery.extend for node.js and the browser

Node addon for string extraction for msgpackr

Determine if an object is a Buffer

HTTP server cookie parsing and serialization

Easily update nested frozen objects and arrays in a declarative and immutable manner.

JavaScript parser written in OCaml. Produces ESTree AST

ECMAScript AST recursive visitor

Traverse JSON Schema passing each schema object to callback

extend like a boss

TypeScript definitions for iso-3166-2

Optionals for JS - wrapper for possibly undefined values, inspired by Java Optional API

ICSS utils for postcss ast

A thing that is a lot like ES6 `Map`, but without iterators, for use in environments where `for..of` syntax and `Map` are not available.

Check if a value is a plain object

ES2015 `Object.assign()` ponyfill

Caseless object set/get/has, very useful when working with HTTP headers.

GitHub GraphQL API client for browsers and Node

Mighty but tiny URI parser