Практика

src/App.jsx

@@ -1,10 +1,49 @@
-// удаляем все, оставляя лишь пустую функцию App ниже
+import React, { useState, useEffect } from 'react'
+import { produce } from 'immer'
 
 function App() {
+    const [tasks,setTasks] = useState([])
+    const [input,setInput] = useState('')
+    
+    const addTask = () => {
+        if(!input.trim()) return
+        
+        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 (
 		<>
-			{/* Добавьте тестовый контент для проверки */}
-			<h1>Hello, React!</h1>
+			<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>
 		</>
 	)
 }