Alex Rudenko is a software developer from Stuttgart, Germany who enjoys building applications using NodeJS and JavaScript. He likes to explore the new ways of building applications and is looking forward to new JavaScript features.
One of the upcoming features of JavaScript that I especially like is the support for asynchronous functions. In this article, I would like to show you a very practical example of building a server-side application using Koa 2, a new version of the web framework, which relies heavily on this feature.
First, I’ll recap what async functions are and how they work. Then, I’ll highlight the differences between Koa 1 and Koa 2. After that, I will describe my demo app for Koa 2, covering all aspects of development, including testing (using Mocha, Chai and Supertest) and deployment (using PM2).
Read more…
