Writing Route Middlewares and Server Middlewares

Remember when you created a middleware on the server side using Koa in Chapter 8, Adding a Server-Side Framework? Middlewares are both useful and powerful, as you will have noted in cascading with Koa apps, where you can predict and control the flow of your entire app sequentially. So, what about in Nuxt? Well, there are two types of middleware we should explore in Nuxt: route middleware and server middleware. In this chapter, you will learn how to differentiate between them and create some basic middlewares before moving on to the next chapter on authentication, where middlewares are very much needed. We will also use middlewares in the chapters after the next one. So, in this chapter, just like in many of the previous chapters, you will create some middlewares in a Vue app with navigation guards so that you can grasp the middleware...