Ничего не сделали

package.json

@@ -10,7 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "immer": "^11.1.8",
+    "info": "^1.0.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0"
   },
@@ -23,6 +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

@@ -1,49 +1,29 @@
-import React, { useState, useEffect } from 'react'
-import { produce } from 'immer'
+import styles from './styles/App.module.scss'
+import React, { useState, useCallback } from 'react'
+
+function CounterButton({label, onClick}) {
+    return (
+        <button onClick={onClick} className={styles.counter_button}>{label}</button>
+    )
+}
+function CounterDisplay({value}) {
+    return (<div className={styles.counter_display}>
+            Значение счетчика: <b>{value}</b>
+    </div>)
+}
 
 function App() {
-    const [tasks,setTasks] = useState([])
-    const [input,setInput] = useState('')
+    const [counter,setCounter] = useState(0);
     
-    const addTask = () => {
-        if(!input.trim()) return
+    const increment = () => setCounter(prev => prev + 1);
+    const decrement = () => setCounter(prev => prev - 1);
     
-        setTasks(currentTasks => produce(currentTasks, draft => {
-            draft.push({
-                id: Date.now(),
-                text: input.trim(),
-                done: false
-            })
-        }))
-        setInput('')
-    }
-    const toggleTask = id => {
-        setTasks(currentTask => produce(currentTask, draft => {
-            const task = draft.find(t => t.id === id)
-            if(task) {
-                task.done = !task.done
-            }
-        }))
-    }
-    const removeTask = id => {
-        setTasks(currentTask => produce(currentTask, draft => {
-            const index = draft.findIndex(t => t.id === id)
-            if (index !== -1)
-                draft.splice(index,1)
-        }))
-    }
 	return (
 		<>
-			<h1>Практика по созданию списка задач</h1>
-            <input value={input} onChange={e=>setInput(e.target.value)} />
-            <button onClick={addTask}>Добавить</button>
-        <ul>{tasks.map(({id,text,done}) => (
-                <li key={id} style={{ textDecoration: done ? 'line-through' : 'none'}}>
-                <input type="checkbox" checked={done} onChange={()=> toggleTask(id)} />
-                {text}
-                <button onClick={() => removeTask(id)}>Удалить</button>
-                </li>
-            ))}</ul>
+            <h2>Практика по созданию счетчика с колбэками</h2>
+            <CounterButton label="Увеличить" onClick={increment} />
+            <CounterButton label="уменьшить" onClick={decrement} />
+            <CounterDisplay value={counter} />
 		</>
 	)
 }

src/MyComponent.jsx

@@ -1,8 +0,0 @@
-export function MyComponent() {
-    return (
-        <>
-        <h1>Hello</h1>
-        </>
-    )
-}
-export default MyComponent

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;
+    }
+}