How to Migrate from Create React App to Next JS ?
Last Updated :
11 Sep, 2024
Migrating from Create React App to Next.js is a structured process that includes setting up a Next.js project, reorganizing your files, updating dependencies, and utilizing Next.js features for better performance and server-side rendering.
Prerequisites:
Approach
To migrate from create react app to NextJS first create the project using create-react-app, then uninstall the react-script and add nextjs as dependency. Update the package.json file along with the project structure similar to next project.
Steps to Migrate from create react app to NextJS
Step 1: Initialize React Project using CRA command
Open the directory where you want to create your react app and then open your command line or PowerShell/terminal and run the following command to create-react-app.
npx create-react-app react-to-next
cd react-to-next
npm start
Step 2: Remove the React Script from dependencies
Uninstall the dependencies. Now we have to uninstall the dependencies which are react-scripts.
npm uninstall react-scripts
Step 3: Install NextJS as Dependency
Now install the Next package or dependency. Run the following command to install next.
npm i next
Step 4: Update scripts in package.json
Change the scripts of the package.json. Copy and paste the following script into your package.json file.
"scripts": {
"dev": "next dev",
"build": "next build",
"start": "next start"
},Step 5: Update the Project Structure
Create a pages folder in your root directory. After creating your folder named as pages create a javascript file named index.js inside the pages folder.
Project Structure:
Directory Example: This example demonstrate creating Next JS application.
JavaScript
// Filename - pages/index.js
import Image from "next/image";
import logo from "../src/logo.svg";
function App() {
return (
<div className="App">
<header className="App-header">
<Image
src={logo}
className="App-logo"
width={200}
height={200}
alt="logo"
/>
<p>
Edit <code>src/App.js</code> and save to
reload.
</p>
<a
className="App-link"
href="https://reactjs.org"
target="_blank"
rel="noopener noreferrer"
>
Learn React
</a>
</header>
</div>
);
}
export default App;
Step to run the application: Run the App by the following command:
npm run dev
Output: This output will be visble on http://localhost:3000/ on the browser window.
Summary
Migration to NextJS starts by creating project with Create React App. Then, uninstall react-scripts and add Next.js as a dependency. Update the package.json file and restructure your project to align with the Next.js format.
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