Jest
Delightful JavaScript Testing
Jest is a delightful, comprehensive JavaScript testing framework that works right out of the box for most JavaScript projects. It works on projects that use Babel, TypeScript, Angular, React, Node and so much more! It works fast and simple, capturing snapshots either alongside your tests or embedded inline to make testing and tracking changes over time a whole lot easier.
Jest is designed to ensure the correctness of any JavaScript codebase. It has a great API, is well maintained and well...