So far, I've written several tutorials about using Gatsby. What they have in common, is that they all depend on certain Gatsby plugins. In this tutorial, I'll explore the options you have when creating your own Gatsby plugin.
Jest is a testing framework developed by Facebook. In this tutorial I'll demonstrate the features of Jest while testing a small Node.js application.
In this tutorial I'll use AVA together with Sinon.js to test my Node.js application and summarize the good and the bad parts that come with it.