uber/uncaught-exception

Like JSON.stringify, but doesn't blow up on circular refs.

process information for node.js and browsers

extend like a boss

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

Static analysis tool for JavaScript

tap-producing test harness for node and browsers

Custom errors

Assert module but outputs TAP

Fake file system for testing

Easily manipulate and mock out time in your tests

Yet another client for Etsy's statsd