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docs: add note about middleware re-running for error pages (#27481)

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Luke Nelson 2024-06-07 17:24:50 +01:00 committed by GitHub
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docs/1.getting-started/8.error-handling.md
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@ -125,6 +125,10 @@ When you are ready to remove the error page, you can call the [`clearError`](/do
Make sure to check before using anything dependent on Nuxt plugins, such as `$route` or `useRouter`, as if a plugin threw an error, then it won't be re-run until you clear the error.
::
::note
Rendering an error page is an entirely separate page load, meaning any registered middleware will run again. You can use [`useError`](#useerror) in middleware to check if an error is being handled.
::
::note
If you are running on Node 16 and you set any cookies when rendering your error page, they will [overwrite cookies previously set](https://github.com/nuxt/nuxt/pull/20585). We recommend using a newer version of Node as Node 16 reached end-of-life in September 2023.
::

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docs/2.guide/2.directory-structure/1.middleware.md
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@ -134,6 +134,10 @@ export default defineNuxtRouteMiddleware(to => {
})
```
::note
Rendering an error page is an entirely separate page load, meaning any registered middleware will run again. You can use [`useError`](/docs/getting-started/error-handling#useerror) in middleware to check if an error is being handled.
::
## Adding Middleware Dynamically
It is possible to add global or named route middleware manually using the [`addRouteMiddleware()`](/docs/api/utils/add-route-middleware) helper function, such as from within a plugin.