ES2015 `Object.assign()` ponyfill

extend like a boss

Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.

process.nextTick but always with args

Safer Node.js Buffer API

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

A stream that emits multiple other streams one after another.

Create a stream that emits events from multiple other streams

Fast deep equal

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

[](https://travis-ci.org/stefanpenner/get-caller-file) [](https://ci.a

Support for representing 64-bit integers in JavaScript

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

YAML 1.2 parser and serializer

64-bit big-endian signed integer-to-string conversion

Require module from string

An arbitrary-precision Decimal type for JavaScript.

A cross browser microtask library

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

Browser-friendly inheritance fully compatible with standard node.js inherits()