⚡ What is Vite?
Vite (pronounced veet) is a next-generation frontend build tool that significantly improves the developer experience by offering:
✅ Ultra-fast development
✅ Instant hot module reload (HMR)
✅ Modern JavaScript support out of the box
✅ Lightning-fast builds with Rollup
🛠️ Why Use Vite?
| Feature | Benefit |
|---|---|
| ⚡ Blazing Fast Dev Server | Uses native ES modules for instant start |
| 🔁 Instant HMR | See changes as you type — super fast |
| 📦 Optimized Build | Uses Rollup for highly efficient production bundles |
| 🌐 Framework Agnostic | Works with React, Vue, Svelte, Lit, Preact, etc. |
| 💅 Built-in Features | TypeScript, JSX, CSS Modules, PostCSS, Tailwind |
🔧 How Vite Works
✅ In Development
Serves native ES modules
No bundling
Super-fast startup and updates
✅ In Production
Uses Rollup to bundle, optimize, and tree-shake your app
🚀 Create a Project with Vite
bash
npm create vite@latest my-app
cd my-app
npm install
npm run dev
Vite will prompt you to choose a framework like:
React
Vue
Svelte
Lit
Vanilla JS / TS
⚙️ Vite Project Structure
css
my-app/
├─ public/
│ └─ favicon.svg
├─ src/
│ └─ main.js (or main.jsx, main.ts, etc.)
├─ index.html
├─ vite.config.js
📄 vite.config.js Example (React)
js
import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
export default defineConfig({
plugins: [react()],
server: {
port: 3000,
},
});
🔥 Vite vs Webpack
| Feature | Vite | Webpack |
|---|---|---|
| Dev Speed | ⚡ Instant startup | 🐢 Slower |
| HMR | ✅ Built-in, fast | ⚠️ Often slower |
| Config | Simple | Complex |
| Build Tool | Rollup | Webpack |
| Use Case | Modern apps, fast dev | Large, legacy apps |
🌐 Framework Support
| Framework | Vite Plugin |
|---|---|
| React | @vitejs/plugin-react |
| Vue 3 | @vitejs/plugin-vue |
| Svelte | @sveltejs/vite-plugin-svelte |
| Lit | vite-plugin-lit |
| Preact | @preact/preset-vite |
📦 Vite + Tailwind CSS Setup (Example)
bash
npm install -D tailwindcss postcss autoprefixer
npx tailwindcss init -p
Add to tailwind.config.js:
js
content: ['./index.html', './src/**/*.{js,ts,jsx,tsx}']
Then import in your src/index.css:
css
@tailwind base;
@tailwind components;
@tailwind utilities;
🧰 Great for:
React, Vue, Svelte, and Preact apps
Component libraries
Jamstack or static sites
Fast prototyping
Modern browser-only apps

































































































