1.  appReady
    This hook is called when the application is fully initialized and ready to use. It can be used to perform tasks such as:

        Initializing plugins
        Setting up middleware
        Logging application startup

typescript
export default defineNuxtConfig({
hooks: {
'app:ready': async (nuxt) => {
// Initialize plugins
await initPlugins(nuxt);
// Set up middleware
await setupMiddleware(nuxt);
}
}
})

2. appMount
This hook is called when the application is mounted to the DOM. It can be used to perform tasks such as:

    Initializing the application
    Setting up event listeners
    Logging application mount

export default defineNuxtConfig({
  hooks: {
    'app:mount': async (nuxt) => {
      // Initialize the application
      await initApplication(nuxt);
      // Set up event listeners
      await setupEventListeners(nuxt);
    }
  }
})


3. appDestroy
This hook is called when the application is destroyed. It can be used to perform tasks such as:

    Cleaning up resources
    Logging application destroy
    Handling errors
export default defineNuxtConfig({
  hooks: {
    'app:destroy': async (nuxt) => {
      // Clean up resources
      await cleanupResources(nuxt);
      // Log application destroy
      console.log('Application destroyed');
    }
  }
})


4. routeReady
This hook is called when a route is ready to be rendered. It can be used to perform tasks such as:

    Preparing data for rendering
    Setting up middleware
    Logging route render
export default defineNuxtConfig({
  hooks: {
    'route:ready': async (route) => {
      // Prepare data for rendering
      const data = await prepareData(route);
      // Set up middleware
      await setupMiddleware(route);
    }
  }
})


5. error
This hook is called when an error occurs. It can be used to perform tasks such as:

    Logging errors
    Handling errors
    Displaying error messages
export default defineNuxtConfig({
  hooks: {
    'error': async (error, nuxt) => {
      // Log the error
      console.error(error);
      // Handle the error
      nuxt.app.context.error = error;
    }
  }
})


6. middleware
This hook is called for every incoming request. It can be used to perform tasks such as:

    Handling authentication
    Setting up middleware
    Logging requests
export default defineNuxtConfig({
  hooks: {
    'middleware': async (req, res) => {
      // Handle authentication
      const user = await authenticateUser(req);
      if (!user) {
        res.status(401).send({ error: 'Unauthorized' });
      }
    }
  }
})
