convert modern Koa legacy generator-based middleware to promise-based middleware

Cross-Origin Resource Sharing(CORS) for koa

A useful pre-commit hook for git based projects that lints and runs npm test

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

determine if a function is a generator function

SuperAgent driven library for testing HTTP servers