In Nuxt 3, where should we specify middlewares within the nuxt.config.js file?

As I make the transition from Nuxt 2 to Nuxt 3 for a large application, I began by setting up a fresh Nuxt 3 project and transferring code over. However, an issue arose when working with my old middleware array in the nuxt.config.js file. Here's what I encountered:

export default defineNuxtConfig({
  // ... some other configs
  router: {
    middleware: ["redirect", "authenticated"], 
    // The line above is causing an error stating that this option does not exist
    base: `${process.env.ROUTER_BASE}`,
  },

In my project structure, I already have a middleware folder, but I am unsure of how to properly define it in the configuration file. In the past, in Nuxt 2, I faced issues where I needed to specify the order in which middleware functions were executed. To address this, I had set the order in my middleware array. I am seeking similar functionality in Nuxt 3, yet I have been unable to locate documentation on this aspect of the migration process.

Answer №1

In Nuxt 3, adding a global route middleware is as simple as placing it in the /middleware directory with a .global suffix

For instance

middleware/
--| validation.global.ts
--| logging.global.ts

To understand how to order them correctly, check out this guide

Answer №2

If you check out this part of the documentation, you'll find details on how middleware is ordered. When it comes to running middlewares, they usually follow alphabetical order, but you can fine-tune this by using a numbering system like 'alphabetical'. For example:

middleware
--| 00.redirect.global.ts
--| 01.authenticated.global.ts

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