#What is the best approach converting a Vite app to Next.JS?

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Hi @merry hatch. 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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Sure, I can guide you through the process of migrating your Vite application to Next.js. The goal is to get a working Next.js application as quickly as possible, so that you can then adopt Next.js features incrementally. Here are the steps you need to follow:

  1. Install the Next.js Dependency: The first thing you need to do is to install next as a dependency. You can do this by running the following command in your terminal:
npm install next@latest

Source (https://nextjs.org/docs/app/building-your-application/upgrading/from-vite#migration-steps)

  1. Create the Next.js Configuration File: Create a next.config.mjs at the root of your project. This file will hold your Next.js configuration options. Here's an example of what it might look like:
/** @type {import('next').NextConfig} */
const nextConfig = {
 output: 'export', // Outputs a Single-Page Application (SPA).
 distDir: './dist', // Changes the build output directory to `./dist/`.
}
 
export default nextConfig

Source (https://nextjs.org/docs/app/building-your-application/upgrading/from-vite#migration-steps)

  1. Create the Root Layout: A Next.js application must include a root layout file, which is a React Server Component that will wrap all pages in your application. This file is defined at the top level of the app directory. The closest equivalent to the root layout file in a Vite application is the index.html file, which contains your <html>, <head>, and <body> tags. You'll need to convert your index.html file into a root layout file.
    Source (https://nextjs.org/docs/app/building-your-application/upgrading/from-vite#step-4-create-the-root-layout)
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  1. Migrate the Environment Variables: Next.js has support for .env environment variables similar to Vite. The main difference is the prefix used to expose environment variables on the client-side. You'll need to change all environment variables with the VITE_ prefix to NEXT_PUBLIC_.
    Source (https://nextjs.org/docs/app/building-your-application/upgrading/from-vite#step-7-migrate-the-environment-variables)

  2. Update Scripts in package.json: You need to update your scripts in your package.json with Next.js related commands, and add .next and next-env.d.ts to your .gitignore.
    Source (https://nextjs.org/docs/app/building-your-application/upgrading/from-vite#step-8-update-scripts-in-packagejson)

After these steps, you should be able to run your application to test if you successfully migrated to Next.js. Now, you can start making incremental changes to reap all the benefits of Next.js. For example, you might want to migrate from React Router to the Next.js App Router to get automatic code splitting, streaming server-rendering, and React Server Components. You can also optimize images, fonts, and third-party scripts with Next.js components, and update your ESLint configuration to support Next.js rules.
Source (https://nextjs.org/docs/app/building-your-application/upgrading/from-vite#next-steps)

Remember, this is a high-level overview and the actual migration process might involve more steps depending on the specifics of your application.

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