Now stdin and stdout are files.

Safe(r) monkeypatching for JavaScript.

Implements performance.now (based on process.hrtime).

deep cloning of objects and arrays

A drop-in replacement for JSON.parse that uses `jju` to give helpful errors

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

ECMAScript AST recursive visitor

Call a callback when a readable/writable/duplex stream has completed or failed.

backwards compatible version of builtin events.listenercount

Extra assertions on top of node's assert module

Turn any collection of objects into its own efficient tree or linked list using Symbol

process.nextTick but always with args

streaming unbzip2 implementation in pure javascript for node and browsers

Get the shortest leading whitespace from lines in a string

Bitfield that allocates a series of small buffers to support sparse bits without allocating a massive buffer

Minimal zero-dependency utilities for using JavaScript Iterables in all environments.

Give me a string and I'll tell you if it's a valid npm package license string

Like Promise.all, but save rejections until all promises are resolved

The option type, also known as the maybe type, for JavaScript

Callback wrapping utility