How do we setting up Jest to test operations in Next.JS project? Let`s write a simple test.

I would like to tell you about the structure I use in my own projects. You do not need to install any third party libraries in this structure. There is no complex code structure. You can add as many languages as you want. You can run these languages on both the server side and the client side without any problems.

In order to save time when setting up a project from scratch, I prepare project templates in accordance with the technologies used by the company I work for. I am sharing one of them with you.