What is the best way to implement a hook in server-side rendering with Next.js?

However, the hook cannot be utilized in a server-side rendered page

For instance:

export const getServerSideProps: GetServerSideProps = async (ctx:any) => {
   
    const { data } = useLocalStorage()

    return {
        props: { data : data}
    }
}

Answer №1

It's possible to utilize hooks on the server-side as well.

Hooks are essentially normal functions. However, if you try to access something specific to the browser such as window, localStorage, etc., the server will recognize that it's a task meant for the client only.

// src/hooks/useOnServer.ts
import { useIsSSR } from "@react-aria/ssr";

/**
 * The useIsSSR hook indicates whether the code is running on the server-side or in the browser.
 */
export default function useOnServer() {
  const isServer = useIsSSR();

  console.log(isServer ? "Server" : "Client");
}

Here's how you can implement it:

// src/pages/home.tsx
import useOnServer from "src/hooks/useOnServer";

export default function Home() {
  // Activate the hook!
  useOnServer();

  return <p>Success!</p>
}

This approach offers the flexibility of isomorphic programming. For example,

  • You could create a validation system to ensure form validation is implemented only once. This avoids the common issue where backend and frontend developers need to sync up each time modifications are made to a form. With this method, everything is consolidated into one place.

Think of it like a ticking time bomb 💣 MeteorJS may have been among the first frameworks to introduce isomorphic capabilities (at least from my experience years ago).

This technique may require some brainpower 🧠 and has a learning curve, but the advantages outweigh the challenges. Enjoy exploring isomorphic hooks and consider sharing your open-source creations with the community! 🍀

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