Next.js is a popular React framework that allows you to build powerful and performant web applications. It provides various rendering modes, including static site generation (SSG) and server-side rendering (SSR). SSG generates static HTML files at build time, which can be served directly to the client, while SSR renders the pages on the server for each request.

Converting an SSG page into an SSR page can be useful in scenarios where you need to fetch data that is dynamic or changes frequently, and you want to ensure that the data is always up-to-date. SSR enables you to fetch data on the server, allowing you to dynamically generate the page content before sending it to the client.

To convert an SSG page into an SSR page in Next.js, you'll need to make a few modifications to your code and configuration.

First, you need to rename your SSG page file from .js to .jsx to indicate that it will now use server-side rendering.

Next, you'll need to import the getServerSideProps function from the Next.js module. This function is responsible for fetching the data needed for server-side rendering. It runs on the server for every request and returns the fetched data as props to your page component.

You'll need to replace the existing getStaticProps export with the getServerSideProps export. Inside the getServerSideProps function, you can fetch the required data using any server-side data fetching method. For example, you can make API calls, query a database, or perform any other asynchronous operation.

Once you have the data, you need to return it as props within an object. The Next.js framework will then pass these props to your page component during server-side rendering. You can access the data inside your component as regular props and render your component accordingly.

Remember to update your component to receive the fetched data as props and modify the rendering logic accordingly.

If you have any additional configuration set up in your next.config.js file, ensure that it is compatible with SSR. This could include custom routes, redirects, or other Next.js features.

Here are some steps that help you to convert SSG to SSR in code snippet:

To convert a static site generation (SSG) page into a server-side rendering (SSR) page in Next.js, you need to make a few changes to your code and configuration. Here's a step-by-step guide:

Rename your SSG page file from .js to .jsx to indicate that it will now use server-side rendering.

At the top of your file, import the following modules:

import { getServerSideProps } from 'next';

Step 3: Export the getServerSideProps function

Replace the existing getStaticProps export with getServerSideProps. The getServerSideProps function will be responsible for fetching the data needed for server-side rendering. For example:

export async function getServerSideProps() {

Modify your component to receive the data as a prop. For example:

export default function MyPage({ data }) {

  // Render your component using the data

Step 5: Update your next.config.js (if necessary)

If you had set up any additional configuration in your next.config.js file, such as custom routes or redirects, make sure they are compatible with SSR.

In conclusion, converting a static site generation (SSG) page into a server-side rendering (SSR) page in Next.js involves renaming the file, importing getServerSideProps, fetching data on the server, updating the component, and ensuring compatibility with SSR in the configuration. This transformation enables dynamic data fetching and rendering on the server before sending the page to the client.

Convert SSG to SSR in Next.js by renaming files, importing getServerSideProps, fetching data, and updating components and configurations.

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