Find a file or directory by walking up parent directories

Easily set the text color and style in the terminal.

Create HTTP error objects

filesystem bindings for tar-stream

Express style path to RegExp utility

zlib port to javascript - fast, modularized, with browser support

Pure JS implementation of the DOM Level 3 XPath specification

Serialize Canvas path commands to SVG.

Super-minimalist version of `concat-stream`. Less than 15 lines!

Make a directory and its parents if needed - Think `mkdir -p`

Performance timer based on performance.mark() and measure()

JavaScript language support for the CodeMirror code editor

Brand checking of React Elements.

ANSI escape codes for styling strings in the terminal

styled API for emotion

TypeScript definitions for vscode-notebook-renderer

Which kind of boxed JS primitive is this?

ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill

Detect whether the terminal supports Unicode

Recursively mkdir, like `mkdir -p`

Lightweight debugging utility for Node.js and the browser

Set a function's name property

Helper utilities for creating ESLint configuration

Determine if a value is an ES6 Symbol or not.