How to Set Up Vite Multi-Page React SPA with Nested Routes on One of the Pages?

Are you tired of struggling with setting up a multi-page React Single-Page Application (SPA) with nested routes using Vite? Well, worry no more! In this comprehensive guide, we’ll take you by the hand and walk you through the process of creating a Vite-powered React SPA with multiple pages and nested routes on one of the pages.

What is Vite?

Vite (French for “quick” or “fast”) is a modern web development build tool that provides an optimized development experience for Rollup and Webpack. It’s designed to be fast, lightweight, and easy to use, making it an ideal choice for building modern web applications. Vite is particularly well-suited for building React applications, which is what we’ll be focusing on in this article.

Setting Up a New React Project with Vite

To get started, we’ll need to create a new React project using Vite. We’ll use the popular `create-react-app` tool to create a new project, and then configure Vite to work with it.

npx create-react-app vite-multi-page-app
cd vite-multi-page-app
npm install --save-dev vite

Next, we’ll need to update our `package.json` file to use Vite as our development server. Add the following script:

"scripts": {
  "start": "vite",
  "build": "vite build",
  "serve": "vite serve"
},

Creating Multiple Pages

Now that we have our project set up, let’s create multiple pages for our application. We’ll create three pages: `Home`, `About`, and `Contact`.

Create a new folder called `pages` inside your project’s root directory, and add the following files:

pages/
Home.js
About.js
Contact.js

Each file should contain a simple React component:

// Home.js
import React from 'react';

function Home() {
  return <div>Welcome to the Home page!</div>;
}

export default Home;

Repeat this process for the `About` and `Contact` pages.

Configuring Vite for Multiple Pages

Next, we need to configure Vite to support multiple pages. We’ll do this by creating a `vite.config.js` file in our project’s root directory:

import { defineConfig } from 'vite';

export default defineConfig({
  build: {
    rollupOptions: {
      input: ['pages/Home.js', 'pages/About.js', 'pages/Contact.js'],
    },
  },
});

In this configuration file, we’re telling Vite to build three separate pages, each with its own entry point.

Setting Up Nested Routes

Now, let’s create a nested route on one of our pages. We’ll add a `Products` page inside the `About` page.

Create a new folder called `About` inside the `pages` directory, and add a new file called `Products.js`:

pages/
About/
Products.js
About.js
...

Update the `About.js` file to include a route to the `Products` page:

// About.js
import React from 'react';
import { Route, Switch } from 'react-router-dom';
import Products from './Products';

function About() {
  return (
    <div>
      <h1>About Us</h1>
      <Switch>
        <Route path="/about/products" component={Products} />
      </Switch>
    </div>
  );
}

export default About;

Update the `vite.config.js` file to include the new `Products` page:

import { defineConfig } from 'vite';

export default defineConfig({
  build: {
    rollupOptions: {
      input: ['pages/Home.js', 'pages/About.js', 'pages/Contact.js', 'pages/About/Products.js'],
    },
  },
});

Setting Up React Router

Finally, we need to set up React Router to handle our routes. Install React Router using the following command:

npm install react-router-dom

Update our `pages/_app.js` file to include React Router:

// pages/_app.js
import React from 'react';
import { BrowserRouter, Route, Switch } from 'react-router-dom';
import Home from './Home';
import About from './About';
import Contact from './Contact';

function App() {
  return (
    <BrowserRouter>
      <Switch>
        <Route path="/" exact component={Home} />
        <Route path="/about" component={About} />
        <Route path="/contact" component={Contact} />
      </Switch>
    </BrowserRouter>
  );
}

export default App;

That’s it! We’ve now set up a Vite-powered React SPA with multiple pages and nested routes on one of the pages. Run `npm start` to start the development server, and navigate to `http://localhost:3000` to see your application in action.

Conclusion

In this article, we’ve covered how to set up a Vite-powered React SPA with multiple pages and nested routes on one of the pages. We’ve walked through the process of creating a new React project, configuring Vite to support multiple pages, and setting up React Router to handle our routes. With this guide, you should now have a solid understanding of how to build complex React applications using Vite.

Tools Used	Description
Vite	A modern web development build tool
React	A JavaScript library for building user interfaces
React Router	A popular routing library for React applications

By following this guide, you should now have a solid foundation for building complex React applications using Vite. Happy coding!

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