Building a React 19 App with Vite

React is one of the most popular JavaScript libraries for building user interfaces. With the release of React 19, developers have even more powerful features at their fingertips. It allows developers to create large web applications that update and render efficiently. This article will walk you through creating a React 19 app using Vite, a modern and fast-build tool that makes setting up and developing React apps easier.

React 19 brings improved performance, simplified state management, and enhanced development tools. It helps developers build efficient and scalable applications with ease.

Using Vite to set up your React app has several advantages:

• Faster builds: Vite uses modern bundling techniques to provide lightning-fast builds.
• Instant updates: Changes appear instantly in your browser during development.
• Simple setup: Vite simplifies the process of creating and managing projects.

Prerequisites

Before you start, make sure you have the following tools installed:

1. Node.js (v14 or higher): Download Node.js
2. npm (comes with Node.js) or yarn: Use npm or install yarn via Yarn’s website.
3. Vite: Install Vite globally by running npm install -g create-vite or using it directly during project setup.

Step 1: Setting Up the Project

1. Open your terminal and run the following command to create a new React project:

npm create vite@latest react19-app --template react

Replace react19-app with your desired project name. When you run this command it will ask for a framework, choose React as a framework like :

After that select a variant, like:

2. Navigate into your project folder:

cd react19-app

3. Install the project dependencies:

npm install

Vite generates a basic project structure with the following key folders and files, like:

• src: Contains the main application code.
• index.html: The entry point of your app.
• vite.config.js: Configuration file for Vite.

Step 2: Creating and Organizing Components

1. Create a components folder inside the src directory to keep components organized.

2. Create your first component (e.g., Study.jsx):

import React from 'react';

const Study = () => {
  return <h1>Welcome to Study Trigger!!!</h1>;
};

export default Study;

3. Import and use the component in App.jsx:

import React from 'react';
import Study from './Study';

const App = () => {
  return (
    <div>
      <Study />
    </div>
  );
};

export default App;

Congratulations on taking the first step in creating a React 19 app with Vite and organizing your components!

If you want to know about how a React 19 application is bootstrapped or started, don’t miss our article “React 19 – Bootstrapped!”. It dives deep into the initialization process.

Now, it’s your turn to put this knowledge into action—create your own application, experiment with different components, and bring your ideas to life. Happy coding!

FAQ on Creating a React 19 App with Vite

What is the easiest way to create a React 19 app?

The easiest way to create a React 19 app is by using Vite, a fast and modern build tool. Run the command npm create vite@latest my-app –template react to quickly set up your project with React 19.

Why should I use Vite for creating a React 19 application?

Vite offers lightning-fast build times, hot module replacement (HMR), and an efficient development environment, making it an ideal choice for bootstrapping React 19 projects.

How do I organize components in a React 19 app?

To organize components in a React 19 app, create separate folders for each component within the src/components directory. Each folder can include the component file (e.g., ComponentName.jsx) and its corresponding CSS file for better maintainability.

Can I use Vite for React projects other than React 19?

Yes, Vite is compatible with other versions of React as well. However, it’s highly optimized for the latest versions, including React 19, to ensure better performance and features.

How do I handle errors while setting up a React 19 app with Vite?

Ensure Node.js and npm are updated to the latest versions. Follow Vite’s official documentation for setup commands and double-check your terminal commands for typos..

Is React 19 backward-compatible with older versions?

Yes, React 19 maintains backward compatibility with older versions, but it introduces improvements and optimizations that enhance performance and developer experience.