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Setup authentication: added routes, middleware, passport config, server fixes
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‎auth.js‎

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router.get("/logout", (req, res) => {
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req.logout(err => {
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if(err) return res.status(500).json({ message: "Logout failed" });
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res.json({ message: "Logged out successfully" });
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});
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});
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// Get logged-in user
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router.get("/current", (req, res) => {
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if (req.isAuthenticated()) {
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res.json({ user: { username: req.user.username } });
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} else {
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res.status(401).json({ user: null });
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}
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});

‎backend/config/passport.js‎

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import passport from 'passport';
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import { Strategy as LocalStrategy } from 'passport-local';
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import bcrypt from 'bcryptjs';
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import User from '../models/User.js';
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passport.use(
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new LocalStrategy(async (username, password, done) => {
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try {
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// Find user by username
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const user = await User.findOne({ username });
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if (!user) return done(null, false, { message: 'Incorrect username' });
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// Compare passwords
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const isMatch = await bcrypt.compare(password, user.password);
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if (!isMatch) return done(null, false, { message: 'Incorrect password' });
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return done(null, user);
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} catch (err) {
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return done(err);
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}
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})
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);
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// Serialize user into the session
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passport.serializeUser((user, done) => {
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done(null, user.id);
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});
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// Deserialize user from the session
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passport.deserializeUser(async (id, done) => {
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try {
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const user = await User.findById(id).select('-password'); // Exclude password
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done(null, user);
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} catch (err) {
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done(err);
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}
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});

‎client/.gitignore‎

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# Logs
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logs
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*.log
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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pnpm-debug.log*
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lerna-debug.log*
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node_modules
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dist
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dist-ssr
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*.local
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# Editor directories and files
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.vscode/*
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!.vscode/extensions.json
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.idea
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.DS_Store
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*.suo
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*.ntvs*
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*.njsproj
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*.sln
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*.sw?

‎client/README.md‎

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# React + Vite
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This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
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Currently, two official plugins are available:
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- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) for Fast Refresh
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- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
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## Expanding the ESLint configuration
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If you are developing a production application, we recommend using TypeScript with type-aware lint rules enabled. Check out the [TS template](https://github.com/vitejs/vite/tree/main/packages/create-vite/template-react-ts) for information on how to integrate TypeScript and [`typescript-eslint`](https://typescript-eslint.io) in your project.

‎client/eslint.config.js‎

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import js from '@eslint/js'
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import globals from 'globals'
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import reactHooks from 'eslint-plugin-react-hooks'
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import reactRefresh from 'eslint-plugin-react-refresh'
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import { defineConfig, globalIgnores } from 'eslint/config'
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export default defineConfig([
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globalIgnores(['dist']),
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{
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files: ['**/*.{js,jsx}'],
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extends: [
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js.configs.recommended,
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reactHooks.configs['recommended-latest'],
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reactRefresh.configs.vite,
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],
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languageOptions: {
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ecmaVersion: 2020,
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globals: globals.browser,
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parserOptions: {
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ecmaVersion: 'latest',
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ecmaFeatures: { jsx: true },
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sourceType: 'module',
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},
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},
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rules: {
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'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]' }],
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},
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},
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])

‎client/index.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<link rel="icon" type="image/svg+xml" href="/vite.svg" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Vite + React</title>
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</head>
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<body>
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<div id="root"></div>
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<script type="module" src="/src/main.jsx"></script>
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</body>
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</html>

‎client/package.json‎

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{
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"name": "client",
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"private": true,
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"version": "0.0.0",
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"type": "module",
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"scripts": {
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"dev": "vite",
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"build": "vite build",
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"lint": "eslint .",
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"preview": "vite preview"
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},
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"dependencies": {
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"axios": "^1.11.0",
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"react": "^19.1.1",
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"react-dom": "^19.1.1",
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"react-router-dom": "^7.8.2"
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},
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"devDependencies": {
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"@eslint/js": "^9.33.0",
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"@types/react": "^19.1.10",
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"@types/react-dom": "^19.1.7",
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"@vitejs/plugin-react": "^5.0.0",
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"eslint": "^9.33.0",
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"eslint-plugin-react-hooks": "^5.2.0",
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"eslint-plugin-react-refresh": "^0.4.20",
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"globals": "^16.3.0",
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"vite": "^7.1.2"
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}
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}

‎client/public/vite.svg‎

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Loading

‎client/src/App.css‎

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#root {
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max-width: 1280px;
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margin: 0 auto;
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padding: 2rem;
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text-align: center;
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}
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.logo {
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height: 6em;
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padding: 1.5em;
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will-change: filter;
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transition: filter 300ms;
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}
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.logo:hover {
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filter: drop-shadow(0 0 2em #646cffaa);
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}
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.logo.react:hover {
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filter: drop-shadow(0 0 2em #61dafbaa);
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}
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@keyframes logo-spin {
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from {
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transform: rotate(0deg);
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}
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to {
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transform: rotate(360deg);
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}
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}
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@media (prefers-reduced-motion: no-preference) {
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a:nth-of-type(2) .logo {
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animation: logo-spin infinite 20s linear;
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}
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}
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.card {
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padding: 2em;
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}
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.read-the-docs {
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color: #888;
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}

‎client/src/App.jsx‎

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import { useState } from 'react'
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import reactLogo from './assets/react.svg'
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import viteLogo from '/vite.svg'
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import './App.css'
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function App() {
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const [count, setCount] = useState(0)
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return (
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<>
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<div>
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<a href="https://vite.dev" target="_blank">
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<img src={viteLogo} className="logo" alt="Vite logo" />
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</a>
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<a href="https://react.dev" target="_blank">
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<img src={reactLogo} className="logo react" alt="React logo" />
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</a>
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</div>
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<h1>Vite + React</h1>
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<div className="card">
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<button onClick={() => setCount((count) => count + 1)}>
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count is {count}
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</button>
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<p>
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Edit <code>src/App.jsx</code> and save to test HMR
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</p>
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</div>
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<p className="read-the-docs">
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Click on the Vite and React logos to learn more
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</p>
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</>
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)
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}
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export default App

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