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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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])
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+13
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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>
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{
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"name": "router-middleware-practice",
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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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"react": "^19.1.0",
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"react-dom": "^19.1.0",
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"react-router-dom": "^7.7.1"
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},
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"devDependencies": {
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"@eslint/js": "^9.30.1",
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"@types/react": "^19.1.8",
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"@types/react-dom": "^19.1.6",
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"@vitejs/plugin-react": "^4.6.0",
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"eslint": "^9.30.1",
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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": "^7.0.4"
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}
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}
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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>
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After Width: | Height: | Size: 1.5 KiB |
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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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import { redirect } from 'react-router-dom'
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// Проверка авторизации
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export function requireAuth() {
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const isAuthenticated = localStorage.getItem('auth') === 'true'
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if (!isAuthenticated) {
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return redirect('/login')
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}
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return null
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}
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// Проверка авторизации и роли
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export function requireAdmin() {
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const isAuthenticated = localStorage.getItem('auth') === 'true'
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const role = localStorage.getItem('role')
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if (!isAuthenticated) {
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return redirect('/login')
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}
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if (role !== 'admin') {
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return redirect('/dashboard') // если авторизован, но не админ — на общую панель
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}
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return null
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}
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import React from 'react'
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import ReactDOM from 'react-dom/client'
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import { RouterProvider } from 'react-router-dom'
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import router from './routes'
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ReactDOM.createRoot(document.getElementById('root')).render(
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<React.StrictMode>
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<RouterProvider router={router} />
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</React.StrictMode>
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)
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import React from 'react'
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export default function Admin() {
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return (
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<div>
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<h1>Админ-панель</h1>
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<p>Доступ разрешён только администраторам.</p>
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</div>
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)
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}
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import React from 'react'
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export default function Dashboard() {
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return (
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<div>
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<h1>Панель пользователя</h1>
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<p>Вы вошли как обычный пользователь или администратор.</p>
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</div>
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)
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}
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import React, { useState } from 'react'
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import { useNavigate } from 'react-router-dom'
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export default function Login() {
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const [role, setRole] = useState('user')
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const navigate = useNavigate()
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const handleLogin = () => {
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localStorage.setItem('auth', 'true')
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localStorage.setItem('role', role)
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navigate('/dashboard')
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}
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return (
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<div>
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<h1>Вход</h1>
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<label>
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Роль:
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<select value={role} onChange={e => setRole(e.target.value)}>
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<option value='user'>Обычный пользователь</option>
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<option value='admin'>Администратор</option>
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</select>
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</label>
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<br />
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<button onClick={handleLogin}>Войти</button>
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</div>
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)
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}
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import { createBrowserRouter } from 'react-router-dom'
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import Login from './pages/Login'
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import Dashboard from './pages/Dashboard'
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import Admin from './pages/Admin'
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import { requireAuth, requireAdmin } from './auth'
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const router = createBrowserRouter([
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{
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path: '/login',
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element: <Login />,
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},
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{
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path: '/dashboard',
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element: <Dashboard />,
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loader: requireAuth,
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},
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{
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path: '/admin',
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element: <Admin />,
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loader: requireAdmin,
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},
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])
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export default router
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import { defineConfig } from 'vite'
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import react from '@vitejs/plugin-react'
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// https://vite.dev/config/
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export default defineConfig({
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plugins: [react()],
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})
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Reference in New Issue
Block a user