Fill in a range of numbers or letters, optionally passing an increment or multiplier to use.

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

a customizable value inspector

Parse HTTP X-Forwarded-For header

Wordwrap a string with ANSI escape codes

Create HTTP error objects

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

when you want to fire an event no matter how a process exits.

Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.

Match balanced character pairs, like "" and ""

delegate methods and accessors to another property

Get and robustly cache all JS language-level intrinsics at first require time

Easily add plugin support to your node.js application.

the bare-bones internationalization library used by yargs

Internal Babel utils used in various macros

Generate randomized strings of a specified length using simple character sequences. The original generate-password.

wrappy is a utility for Node.js to wrap callbacks.

Extend an object with the properties of additional objects. node.js/javascript util.

Rope-based persistent sequence type

simplified stream construction

Regular expression for matching file names, with or without extension.

Keep track of the overall completion of many disparate processes

Tiny millisecond conversion utility

Node.js final http responder