testdouble/scripty

Higher-order functions and common patterns for asynchronous code

the most correct and second fastest glob implementation in JavaScript

Hooking Node.js stdout

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

The semantic version parser used by npm.

JavaScript Standard Style

A minimal test double library for TDD with JavaScript

A teeny tiny test runner

An algorithms and data structures library in TypeScript.