Сделали выключатель для лампочки

src/App.jsx

@@ -1,49 +1,32 @@
 import React, { useState, useEffect } from 'react'
-import { produce } from 'immer'
+import { create } from 'zustand'
+
+const useLightStore = create(set => ({
+    isLightOn: false,
+    toggleLight: () => set(state => ({isLightOn: !state.isLightOn})),
+    turnOn: () => set({isLightOn:true}),
+    turnOff: () => set({isLightOn:false}),
+}))
+
+function LightButton() {
+    const toggleLight = useLightStore(state => state.toggleLight)
+    return (<button onClick={toggleLight}>Переключить свет</button>)
+}
+
+function LightOff() {
+    const lightOff = useLightStore(state => state.turnOff)
+    return (<button onClick={lightOff}>Выключить свет</button>)
+}
 
 function App() {
-    const [tasks,setTasks] = useState([])
-    const [input,setInput] = useState('')
+    const isLightOn = useLightStore(state => state.isLightOn)
     
-    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 (
 		<>
 			<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>
+            <div>Лампочка: {isLightOn ? 'Включена' : 'Выключена'}</div>
+            <LightButton />
+            <LightOff />
 		</>
 	)
 }