joyent/node-fast-messages

Extra assertions on top of node's assert module

streaming JSON RPC over TCP

RFC9562 UUIDs

a JSON logging library for node.js services

human-readable TAP summarizer

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

tap-producing test harness for node and browsers

utilities for observable asynchronous control flow

Moore finite state machines

Joyent's ESLint rules and configs.