Сделали практику с кнопками Увеличить Уменьшить счетчик

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

@@ -1,67 +1,30 @@
-import React, { useState, useReducer, useRef, memo } from 'react'
+import styles from './styles/App.module.scss'
+import React, { useState, useCallback } from 'react'
 
-function tasksReducer(state, action) {
+function CounterButton({label, onClick}) {
-    switch(action.type) {
-        case 'ADD_TASK':
-            return [...state, action.payload]
-        case 'TOGGLE_TASK':
-            return state.map(task => task.id === action.payload ? {...task, complite: !task.complite} : task)
-        case 'REMOVE_TASK':
-            return state.filter(task => task.id !== action.payload)
-        default:
-            return state
-    }
-}
-
-const TaskList = memo(function TaskList({tasks, onToggle, onRemove}) {
-    console.log("Rendred")
     return (
-        <ul>
+        <button onClick={onClick} className={styles.counter_button}>{label}</button>
-        {tasks.map(({id, text, complite}) => (
-                <li key={id}
-                    style={{textDecoration: complite ? 'line-through' : 'none' }}>
-                    <input type="checkbox" checked={complite} onChange={()=>onToggle(id)} />
-                    {text}
-                    <button onClick={()=> onRemove(id)} style={{marginLeft: 10}}>
-                        Удалить
-                    </button>
-                </li>
-            ))}
-        </ul>
     )
-})
+}
+function CounterDisplay({value}) {
+    return (<div className={styles.counter_display}>
+            Значение счетчика: <b>{value}</b>
+    </div>)
+}
 
 function App() {
-    const [tasks, dispatch] = useReducer(tasksReducer,[])
+    const [counter,setCounter] = useState(0);
-    const [input,setInput] = useState('')
-    const [error,setError] = useState('')
-    const inputRef = useRef(null)
     
-    const addTask = () => {
+    const increment = () => setCounter(prev => prev + 1);
-        if (input.trim() === '') {
+    const decrement = () => setCounter(prev => prev - 1);
-            setError('Пустой текст задачи')
-            return
-        }
-        setError('')
-        dispatch({
-            type: 'ADD_TASK',
-            payload: {id: Date.now(), text: input.trim(), complite: false }
-        })
-        setInput('')
-        inputRef.current.focus()
-    }
     
 	return (
-		<div style={{padding: 20}}>
+		<>
-			<h1>Список дел</h1>
+            <h2>Практика по созданию счетчика с колбэками</h2>
-			<input ref={inputRef} value={input} onChange={e => setInput(e.target.value)} />
+            <CounterButton label="Увеличить" onClick={increment} />
-			<button onClick={addTask}>Добавить</button>
+            <CounterButton label="уменьшить" onClick={decrement} />
-            {error && <p style={{color: 'red'}}>{error}</p>}
+            <CounterDisplay value={counter} />
-            
+		</>
-            <TaskList tasks={tasks} 
-                onToggle={id => dispatch({type: 'TOGGLE_TASK', payload: id})}
-                onRemove={id => dispatch({type: 'REMOVE_TASK', payload: id})} />
-		</div>
 	)
 }