Jeff Bruchado
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Create React App Deprecated: Migrating to Vite and the Future of React in 2025

Hello HaWkers, February 2025 marked the end of an era: Create React App (CRA) was officially deprecated by the React team.

Do you remember when npx create-react-app my-app was the standard way to start any React project? That era is over, and a new one has begun.

The Official Announcement

On February 14, 2025, the React team published on the official blog: "Sunsetting Create React App". The message was clear:

"Create React App has been deprecated for new apps. Existing applications should migrate to a framework, or migrate to a build tool like Vite, Parcel, or RSBuild."

Why Was Create React App Deprecated?

Several factors led to this decision:

1. Build Speed

# Create React App (Webpack)
npm start
# Cold start: ~30-45 seconds
# Hot reload: ~2-5 seconds

# Vite (Rollup + esbuild)
npm run dev
# Cold start: ~1-3 seconds 🚀
# Hot reload: ~50-200ms ⚡

2. Stagnant Maintenance

  • Last significant update: 2021
  • Accumulated issues without response
  • Outdated dependencies

3. Paradigm Shift
React changed its recommendation from SPA (Single Page Application) to full-stack frameworks with Server Components.

The Recommended Alternatives

The React team recommends three different paths depending on your use case:

1. Full-Stack Frameworks (Main Recommendation)

Next.js (Vercel)

npx create-next-app@latest my-app

Ideal for:

  • Production sites and applications
  • SEO is important
  • Server and client integrated
  • You want React Server Components

Remix (Shopify)

npx create-remix@latest my-app

Ideal for:

  • Optimized performance
  • Progressive enhancement
  • Advanced nested routing

2. Modern Build Tools (For SPAs)

Vite (Recommendation for SPAs)

npm create vite@latest my-app -- --template react-ts

Ideal for:

  • Traditional SPAs
  • Fast prototyping
  • Applications without SSR need
  • Maximum development speed

Migration from CRA to Vite: Step-by-Step Guide

Let's migrate an existing Create React App project to Vite. This is the most common path for SPAs.

Step 1: Install Vite

# Remove CRA dependencies
npm uninstall react-scripts

# Install Vite and plugins
npm install -D vite @vitejs/plugin-react

Step 2: Create vite.config.ts

import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import path from 'path';

export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src')
    }
  },
  server: {
    port: 3000,
    open: true
  }
});

Step 3: Move index.html

mv public/index.html index.html

Update index.html:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>My App</title>
  </head>
  <body>
    <div id="root"></div>
    <script type="module" src="/src/index.tsx"></script>
  </body>
</html>

Step 4: Update Environment Variables

// Before (CRA)
const apiUrl = process.env.REACT_APP_API_URL;

// After (Vite)
const apiUrl = import.meta.env.VITE_API_URL;

Step 5: Update package.json

{
  "scripts": {
    "dev": "vite",
    "build": "tsc && vite build",
    "preview": "vite preview"
  }
}

Performance Comparison

Build Time

# Create React App
npm run build
# Time: ~45-60 seconds

# Vite
npm run build
# Time: ~5-10 seconds 🚀

# Improvement: 6-10x faster

Dev Server Time

# CRA
npm start
# Cold start: 30-45s

# Vite
npm run dev
# Cold start: 1-3s 🚀

# Improvement: 10-30x faster

Common Issues and Solutions

1. "require is not defined"

// ❌ CommonJS doesn't work in Vite
const module = require('./module');

// ✅ Use ES modules
import module from './module';

2. "process is not defined"

// ❌ Doesn't work
if (process.env.NODE_ENV === 'production') {}

// ✅ Vite way
if (import.meta.env.PROD) {}

The Future of React Tooling

Trends for 2025-2026

1. Vite as Standard

  • Stack Overflow Survey 2025: Vite surpasses Webpack
  • Adopted by Vue, React, Svelte, Solid

2. Rspack (Rust-based)

  • Webpack compatible
  • Performance close to Vite
  • Easier migration for large Webpack projects

3. Turbopack (Vercel)

  • Integrated with Next.js
  • Written in Rust
  • Promises to be even faster than Vite
const reactToolingFuture = {
  build_tools: {
    dominant: 'Vite',
    emerging: ['Rspack', 'Turbopack'],
    declining: ['Webpack', 'Create React App']
  },
  developer_experience: {
    startup_time: '<1 second',
    hot_reload: '<100ms',
    build_time: '<10 seconds'
  }
};

Migration Checklist

- [ ] Backup project (git branch or copy)
- [ ] Install Vite and dependencies
- [ ] Create vite.config.ts
- [ ] Move index.html to root
- [ ] Update index.html with module script
- [ ] Rename environment variables (REACT_APP_* → VITE_*)
- [ ] Update code for import.meta.env
- [ ] Update package.json scripts
- [ ] Test npm run dev
- [ ] Test npm run build
- [ ] Verify critical functionality

If you're interested in other important changes in the React ecosystem, I recommend checking out another article: React Foundation: The New Era of the React Ecosystem Under Linux Foundation where you'll discover how React governance is changing in 2025.

Let's go! 🦅

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