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

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Based on the knowledge sources provided, it seems that you cannot directly hold state in a parent server component and allow a child client component to change that state. This is because server components and client components in Next.js operate in separate realms and cannot directly exchange information in the React way.

However, there are a few workarounds you can consider:

  1. Lift-up the state to the URL as search params: This method involves lifting the state of your client component to the URL as search parameters, which the server component can access through dynamic rendering. This approach has its merits, such as potentially more URLs exposed for search engines, direct navigation to a specific "state" of the page from the site itself or externally (e.g., bookmarks, social sharing). However, ensure that the state does not contain sensitive information and you validate it. If no state remains in JS, you might even convert the client component to a server one, which boosts performance. Source (https://github.com/vercel/next.js/issues/56373)

  2. Convert the server component to a client one: This approach allows the component to interact with the React state coming from somewhere else. It's still server-rendered but needs JS for the client hydration. Source (https://github.com/vercel/next.js/issues/56373)

  3. Pass Server Components as a prop to a Client Component: You can pass Server Components as a prop to a Client Component. A common pattern is to use the React children prop to create a "slot" in your Client Component. The child <ServerComponent> can be rendered on the server, well before <ClientComponent> is rendered on the client. Source (https://nextjs.org/docs/app/building-your-application/rendering/composition-patterns#supported-pattern-passing-server-components-to-client-components-as-props)

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  1. Use state management libraries: Libraries like Zustand, Jotai, and Recoil can be used for state management in your Next.js application. These libraries allow you to manage your state in a granular way while still being highly optimized for bundle size. Source (https://vercel.com/templates/next.js/nextjs-enterprise-boilerplate)

Remember, the choice of approach depends on your specific use case and requirements.

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