`How can I retrieve the `req` object within Nuxt3 Route Middleware?`

Is there a way to access the req object in Nuxt3 Route Middleware similar to how we do it in Nuxt2 middleware?

Let's compare the code:

Nuxt2

// middleware/auth.js
export default ({ store, req }) => {
  if (req) {
    store.dispatch('auth/initAuth', { req })
  }
}

Nuxt3

// middleware/auth.ts
export default defineNuxtRouteMiddleware((to, from) => {
  if (to.params.id === '1') {
    return abortNavigation()
  }
  return navigateTo('/')
})

In Nuxt 3 Middleware, we seem to only have access to to and from params. How can I obtain the req object like in Nuxt2?

Answer №1

To implement server middleware in your Nuxt project, create a new file called middleware inside the /server directory. Then, use the defineEventHandler handler as shown below:

export default defineEventHandler((event) => {
  console.log('Received a new request: ' + event.node.req.url)
})

For more details and examples, refer to the following link: https://nuxt.com/docs/guide/directory-structure/server

Update:

In Nuxt2, the req object is only available on the server-side. When navigating between pages on the client-side, the req object will be undefined since it is generated by Node.js. This behavior remains the same in Nuxt 3, but with a slight change in directory structure where you now have /middlewares and /server/middlewares.

Check out this example of a simple Nuxt 3 app on StackBlitz to see how server middleware behaves when opening or refreshing the page versus navigating through routes: https://stackblitz.com/edit/nuxt-starter-7b634c?file=server%2Fmiddleware%2Ftest.js

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