appcelerator/cli-kit

Fastest Levenshtein distance implementation in JS.

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

Pluralize and singularize any word

The semantic version parser used by npm.

Like which(1) unix command. Find the first instance of an executable in the PATH.

output coverage reports using Node.js' built in coverage

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Extends Chai with assertions about promises.

ESLint plugin that checks for common chai.js expect() mistakes

Eslint rules for mocha.

Enforce best practices for JavaScript promises

Security rules for eslint

Simple implmentation of Stream.Readable and Stream.Writable holding the data in memory.

simple, flexible, fun test framework

JavaScript test spies, stubs and mocks.

Extends Chai with assertions for the Sinon.JS mocking framework.

Temporary file and directory creator

Your mind on your logs and your logs on your mind

Split argv(argument vector) and handle special cases, such as quoted values.

Event emitter with support for asynchronous handlers and a sweet function hook mechanism.