Is it possible to use route middleware in a layout in NUXT 3, and if so, how?

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Yes, it is possible to use route middleware in a layout in NUXT 3.

In order to do so, you can create a middleware function and add it to the middleware property of your layout component. The middleware function will have access to the context object, which includes the route object.

Here is an example of how you can set up route middleware in a layout in NUXT 3:

1. Define your middleware function:

// middlewares/myMiddleware.js
export default function ({ route }) {
  console.log('Current route:', route.path)
}

1. Add the middleware function to your layout component:

<!-- layouts/default.vue -->
<template>
  <div>
    <Navbar />
    <Nuxt />
    <Footer />
  </div>
</template>

<script>
import myMiddleware from '~/middlewares/myMiddleware'

export default {
  middleware: [myMiddleware]
}
</script>

In this example, the myMiddleware function will be executed on every route change and will log the current path to the console. You can add as many middleware functions as you need to the middleware array in your layout component.

Note that the middleware functions added to your layout component will apply to all pages that use that layout. If you only want to apply middleware to specific pages, you can add the middleware directly to those page components instead.