Ничего не сделали

package.json

@@ -10,6 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "info": "^1.0.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0"
   },
@@ -22,6 +23,8 @@
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.19",
     "globals": "^16.0.0",
+    "sass": "^1.99.0",
+    "sass-embedded": "^1.99.0",
     "vite": "^6.3.5"
   }
 }

src/App.jsx

@@ -1,45 +1,29 @@
-import React, { useMemo, useCallback, useState } from 'react'
+import styles from './styles/App.module.scss'
+import React, { useState, useCallback } from 'react'
 
-const TodoItem = React.memo(({ item, onToggle, onDelete }) => {
+function CounterButton({label, onClick}) {
-    console.log(`rendred ${item.id}`);
-    return <li>
-            {item.name}
-            <button onClick={() => onToggle(item.id)}>Done</button>
-            <button onClick={() => onDelete(item.id)}>remove</button>
-        </li>
-})
-
-function ItemList({ items }) {
-
-    const handleToggle = useCallback(id => {
-        items.done = true;
-        console.log(`Item ${id} done`)
-        console.log(id)
-    },[]);
-    
-    const handleDelete = useCallback(id => {
-        items.pop(id);
-    },[]);
     return (
-        <>
+        <button onClick={onClick} className={styles.counter_button}>{label}</button>
-            <h3>List items</h3>
-            {items.map(item => (
-             <TodoItem key={item.id} item={item}
-              onToggle={handleToggle} onDelete={handleDelete} />
-             ))}
-        </>
     )
 }
+function CounterDisplay({value}) {
+    return (<div className={styles.counter_display}>
+            Значение счетчика: <b>{value}</b>
+    </div>)
+}
 
 function App() {
+    const [counter,setCounter] = useState(0);
+    
+    const increment = () => setCounter(prev => prev + 1);
+    const decrement = () => setCounter(prev => prev - 1);
+    
 	return (
 		<>
-			{/* Добавьте тестовый контент для проверки */}
+            <h2>Практика по созданию счетчика с колбэками</h2>
-			<h1>Hello, React!</h1>
+            <CounterButton label="Увеличить" onClick={increment} />
-            <ItemList items={[
+            <CounterButton label="уменьшить" onClick={decrement} />
-                {id:1,name:'Первый',done:false},
+            <CounterDisplay value={counter} />
-                {id:2,name:'Второй',done:false}
-            ]} />
 		</>
 	)
 }

src/main.jsx

@@ -1,8 +1,10 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
-// удаляем import './index.css'
+
 import App from './App.jsx'
 
 createRoot(document.getElementById('root')).render(
+	<StrictMode>
 		<App />
+	</StrictMode>
 )

src/styles/App.module.scss

@@ -0,0 +1,22 @@
+.container {
+    display:flex;
+    flex-direction: row;
+    border: 1px solid black;
+    border-radius: 5px;
+    margin-bottom: 10px;
+    p {
+        padding: 5px 10px;
+    }
+}
+.counter {
+    &_display{
+        border: 1px solid black;
+        border-width: 3px;
+        border-radius: 10px;
+        padding: 10px;
+        width: 300px;
+    }
+    &_button{
+        padding: 10px;
+    }
+}