Recursively iterates over specified directory, require()'ing each file, and returning a nested hash structure containing those modules.

Get the native type of a value.

Modern Buffer API polyfill without footguns

Array#isArray for older browsers

ES2015 `Object.assign()` ponyfill

Node.js Buffer API, for the browser

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

Manipulate the HTTP Vary header

A stream that emits multiple other streams one after another.

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

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

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.

parse a url with memoization

Compare strings containing a mix of letters and numbers in the way a human being would in sort order.

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

HTTP response freshness testing

HTTP methods that node supports

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

Test whether an object looks like a promises-a+ promise

ISO639 Codes for JavaScript