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13 changed files with 1299 additions and 613 deletions
-18
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@@ -1,18 +0,0 @@
MIT License
Copyright (c) 2026 laktionov-as
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
associated documentation files (the "Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the
following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
+13 -9
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@@ -2,17 +2,11 @@ import js from '@eslint/js'
import globals from 'globals'
import reactHooks from 'eslint-plugin-react-hooks'
import reactRefresh from 'eslint-plugin-react-refresh'
import { defineConfig, globalIgnores } from 'eslint/config'
export default defineConfig([
globalIgnores(['dist']),
export default [
{ ignores: ['dist'] },
{
files: ['**/*.{js,jsx}'],
extends: [
js.configs.recommended,
reactHooks.configs['recommended-latest'],
reactRefresh.configs.vite,
],
languageOptions: {
ecmaVersion: 2020,
globals: globals.browser,
@@ -22,8 +16,18 @@ export default defineConfig([
sourceType: 'module',
},
},
plugins: {
'react-hooks': reactHooks,
'react-refresh': reactRefresh,
},
rules: {
...js.configs.recommended.rules,
...reactHooks.configs.recommended.rules,
'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]' }],
'react-refresh/only-export-components': [
'warn',
{ allowConstantExport: true },
],
},
},
])
]
+11 -11
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@@ -1,13 +1,13 @@
<!doctype html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vite + React</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vite + React</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>
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+11 -11
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@@ -1,5 +1,5 @@
{
"name": "router-middleware-practice",
"name": "store-client",
"private": true,
"version": "0.0.0",
"type": "module",
@@ -11,18 +11,18 @@
},
"dependencies": {
"react": "^19.1.0",
"react-dom": "^19.1.0",
"react-router-dom": "^7.7.1"
"react-dom": "^19.1.0"
},
"devDependencies": {
"@eslint/js": "^9.30.1",
"@types/react": "^19.1.8",
"@types/react-dom": "^19.1.6",
"@vitejs/plugin-react": "^4.6.0",
"eslint": "^9.30.1",
"@eslint/js": "^9.25.0",
"@types/react": "^19.1.2",
"@types/react-dom": "^19.1.2",
"@vitejs/plugin-react": "^4.4.1",
"eslint": "^9.25.0",
"eslint-plugin-react-hooks": "^5.2.0",
"eslint-plugin-react-refresh": "^0.4.20",
"globals": "^16.3.0",
"vite": "^7.0.4"
"eslint-plugin-react-refresh": "^0.4.19",
"globals": "^16.0.0",
"sass-embedded": "^1.99.0",
"vite": "^6.3.5"
}
}
+15
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@@ -0,0 +1,15 @@
.container {
/* display: flex;
flex-direction: column;
flex-wrap: nowrap;*/
height: 500px;
overflow: auto;
border: 1px solid black;
}
.item {
font-size: 16pt;
border: 1px dotted gray;
/*margin: 5px 10px;
padding: 10px;*/
border-radius: 5px;
}
+47 -29
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@@ -1,35 +1,53 @@
import { useState } from 'react'
import reactLogo from './assets/react.svg'
import viteLogo from '/vite.svg'
import './App.css'
import { useEffect, useRef, useState } from 'react';
import styles from './App.module.scss';
function App() {
const [count, setCount] = useState(0)
const InfiniteList = () => {
const [items, setItems] = useState([...Array(20).keys()]); // Initial data
const loaderRef = useRef(null);
const loadMore = () => {
setItems((prev) => [...prev, ...Array(10).keys()].map((_, i) => prev.length + i));
};
useEffect(() => {
const observer = new IntersectionObserver((entries) => {
if (entries[0].isIntersecting) {
loadMore(); // Load next batch when the loader is seen
}
});
if (loaderRef.current) observer.observe(loaderRef.current);
return () => observer.disconnect();
}, []);
return (
<>
<div>
<a href="https://vite.dev" target="_blank">
<img src={viteLogo} className="logo" alt="Vite logo" />
</a>
<a href="https://react.dev" target="_blank">
<img src={reactLogo} className="logo react" alt="React logo" />
</a>
</div>
<h1>Vite + React</h1>
<div className="card">
<button onClick={() => setCount((count) => count + 1)}>
count is {count}
</button>
<p>
Edit <code>src/App.jsx</code> and save to test HMR
</p>
</div>
<p className="read-the-docs">
Click on the Vite and React logos to learn more
</p>
</>
)
<ul>
{items.map(item => <li key={item} className={ styles.item }>Item {item}</li>)}
<div ref={loaderRef}>Loading more...</div>
</ul>
);
};
function App() {
const generatedBigDataSet = () => {
return Array.from({ length: 100 }, (_, index) => ({
id: index,
name: `Элемент № ${index}`,
value: Math.floor(Math.random() * 1000)
}))
}
const [data] = useState(generatedBigDataSet);
return (
<>
<div>
<h2>Визуализация большого списка</h2>
<div className={ styles.container }>
<InfiniteList />
</div>
</div>
</>
)
}
export default App
-26
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@@ -1,26 +0,0 @@
import { redirect } from 'react-router-dom'
// Проверка авторизации
export function requireAuth() {
const isAuthenticated = localStorage.getItem('auth') === 'true'
if (!isAuthenticated) {
return redirect('/login')
}
return null
}
// Проверка авторизации и роли
export function requireAdmin() {
const isAuthenticated = localStorage.getItem('auth') === 'true'
const role = localStorage.getItem('role')
if (!isAuthenticated) {
return redirect('/login')
}
if (role !== 'admin') {
return redirect('/dashboard') // если авторизован, но не админ — на общую панель
}
return null
}
+8 -8
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@@ -1,10 +1,10 @@
import React from 'react'
import ReactDOM from 'react-dom/client'
import { RouterProvider } from 'react-router-dom'
import router from './routes'
import { StrictMode } from 'react'
import { createRoot } from 'react-dom/client'
// удаляем import './index.css'
import App from './App.jsx'
ReactDOM.createRoot(document.getElementById('root')).render(
<React.StrictMode>
<RouterProvider router={router} />
</React.StrictMode>
createRoot(document.getElementById('root')).render(
<StrictMode>
<App />
</StrictMode>
)
-10
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@@ -1,10 +0,0 @@
import React from 'react'
export default function Admin() {
return (
<div>
<h1>Админ-панель</h1>
<p>Доступ разрешён только администраторам.</p>
</div>
)
}
-10
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@@ -1,10 +0,0 @@
import React from 'react'
export default function Dashboard() {
return (
<div>
<h1>Панель пользователя</h1>
<p>Вы вошли как обычный пользователь или администратор.</p>
</div>
)
}
-28
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@@ -1,28 +0,0 @@
import React, { useState } from 'react'
import { useNavigate } from 'react-router-dom'
export default function Login() {
const [role, setRole] = useState('user')
const navigate = useNavigate()
const handleLogin = () => {
localStorage.setItem('auth', 'true')
localStorage.setItem('role', role)
navigate('/dashboard')
}
return (
<div>
<h1>Вход</h1>
<label>
Роль:
<select value={role} onChange={e => setRole(e.target.value)}>
<option value='user'>Обычный пользователь</option>
<option value='admin'>Администратор</option>
</select>
</label>
<br />
<button onClick={handleLogin}>Войти</button>
</div>
)
}
-24
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@@ -1,24 +0,0 @@
import { createBrowserRouter } from 'react-router-dom'
import Login from './pages/Login'
import Dashboard from './pages/Dashboard'
import Admin from './pages/Admin'
import { requireAuth, requireAdmin } from './auth'
const router = createBrowserRouter([
{
path: '/login',
element: <Login />,
},
{
path: '/dashboard',
element: <Dashboard />,
loader: requireAuth,
},
{
path: '/admin',
element: <Admin />,
loader: requireAdmin,
},
])
export default router