Create simple HTTP ETags

Manipulate the HTTP Vary header

Deprecate all the things

The string_decoder module from Node core

Returns true if a string has an extglob.

Read/write IEEE754 floating point numbers from/to a Buffer or array-like object

Array#isArray for older browsers

Buffers events from a stream until you are ready to handle them.

Require module from string

A stream that emits multiple other streams one after another.

The Node.js `util.deprecate()` function with browser support

The Lodash method `_.merge` exported as a module.

Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible

ES2015 `Object.assign()` ponyfill

Node.js Buffer API, for the browser

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

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

deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify

HTTP methods that node supports

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