interfaces that describe their intentions.

Determines if an object can be used as an array

Fast, pluggable and easy-to-use parser-renderer factory.

An implementation of the WHATWG URL Standard's URL API and parsing machinery

Bytes go in, but they don't come out (when muted).

TypeScript is a language for application scale JavaScript development

Extra assertions on top of node's assert module

Alternative, faster React.js JSX parser

Converts callback-based functions to ES6 Promises

ECC JS code based on JSBN

Check if argv has a specific flag

Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`

resolve like require.resolve() on behalf of files asynchronously and synchronously

Base64 encoding/decoding in pure JS

Make any Node ReadableStream emit "keypress" events

A memoization library which only remembers the latest invocation

Standard library

Range header field string parser

writable stream that concatenates strings or binary data and calls a callback with the result

Returns true if the value is a number. comprehensive tests.

chinese word segmentation for node

Check if a path is a file, directory, or symlink

A terminal based horizontal guage

extended POSIX-style sprintf