in nuxt, where do i specify the context's types?

[wet cosmos]

export default defineEventHandler(async (event) => {
  const config = useRuntimeConfig();

  const session_id = getCookie(event, 'session_id');
  let ctx: SessionContext | null = null;

  if (session_id) {
    const s: SessionContext = await validateSession(session_id);
    if (s.user === null) {
      deleteCookie(event, 'session');
    }
  }
  // how do i access this within my nuxt app?
  // this is only on the server side right?
  event.context.session = ctx;

  if (!ctx && config.authRoutes.includes(event.path)) {
    sendRedirect(event, '/login', 302);
  }
});

in nuxt, where do i specify the context's types?

[graceful lynx]

Hi @wet cosmos. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:

---

To specify the types for the context in Nuxt, especially for server-side code like in your example, you can define them in a TypeScript declaration file. Here's how you can do it:

1. Create a file named server.d.ts in your project's server/ directory.

2. In this file, you can extend the EventHandlerRequest interface to include your custom context types. Here's an example of how you might do this:

import { EventHandlerRequest } from 'h3'
import { SessionContext } from './your-session-types-file'

declare module 'h3' {
  interface EventHandlerRequest {
    context: {
      session: SessionContext | null
    }
  }
}

3. Make sure to import or define your SessionContext type in this file as well.

4. To ensure TypeScript picks up these definitions, you might need to reference this file in your tsconfig.json. Add this line to the include array:

{
  "include": [
    "server/**/*.ts",
    "server/**/*.d.ts"
  ]
}

By following these steps, you'll be able to access event.context.session with proper typing in your server-side code.

To answer your additional questions:

1. How to access this within your Nuxt app?

   • This context is only available on the server side. You can access it in server routes, API routes, and server middleware.

2. Is this only on the server side?

   • Yes, this context is only available on the server side. It's not accessible from the client-side code.

For more information on server types in Nuxt, you can refer to the Nuxt documentation on Server Types.

Remember that the context you're setting here (event.context.session) is specific to the current request and won't persist between different requests. If you need to share data across your application, you might want to consider using other Nuxt features like useState or useAsyncData.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

@wet cosmos Kapa.ai is still learning and improving, please let me know how I did by reacting below.

[wet cosmos]

that doesnt set the types!

@graceful lynx

[graceful lynx]

Let me check the knowledge base for you again. One moment! :books:

Sorry @wet cosmos, I seem to be having a bit of trouble. Don't worry though, I've pinged my support and they will try to fix me up! :technologist:

Perhaps try again in 15mins?

[wet cosmos]

it was H3EventContext not eventhandlerrequests!

stupid ai!

[wet cosmos]

well, im now getting error undefined is not an object (evaluating 'event.node.req')
all im doing is trying to read the cookie
const session_id = getCookie(event, 'session_id'); @graceful lynx

[graceful lynx]

Let me check the knowledge base for you again. One moment! :books:

---

I apologize for the confusion in my previous answer. The error you're encountering suggests that there might be an issue with how you're using getCookie or how the event object is being passed. Let's address this problem based on the information provided in the knowledge sources.

The error undefined is not an object (evaluating 'event.node.req') typically occurs when trying to access server-side properties in a client-side context. In Nuxt 3, the way cookies are handled can differ between server-side and client-side code.

Here are a few things to consider:

1. Make sure you're using the correct import for getCookie. It should be imported from 'h3':

import { getCookie } from 'h3'

2. The getCookie function is primarily meant for server-side use. If you're trying to use it on the client side, it won't work as expected.

3. For a more universal approach to handling cookies in Nuxt 3, you should consider using the useCookie composable. This works on both client and server sides. Here's how you can use it:

const sessionId = useCookie('session_id')

This approach is documented in the Nuxt Docs on useCookie.

4. If you specifically need to work with cookies in an API route or server middleware, make sure your code is placed in the appropriate server-side files (e.g., in the server/ directory).

5. There was a known issue with getCookie and setCookie not working correctly on the server API in some Nuxt versions. This was tracked and resolved in Github Issue #24180. Ensure you're using the latest version of Nuxt where this issue has been fixed.

If you're still encountering issues, it would be helpful to know more about where exactly this code is being used (e.g., in a component, in a plugin, in a server middleware, etc.) and what version of Nuxt you're using. This information would allow for a more precise diagnosis and solution to your problem.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

@wet cosmos Kapa.ai is still learning and improving, please let me know how I did by reacting below.