Практика Zustand

package.json

@@ -10,9 +10,10 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "info": "^1.0.0",
+    "immer": "^11.1.8",
     "react": "^19.1.0",
-    "react-dom": "^19.1.0"
+    "react-dom": "^19.1.0",
+    "zustand": "^5.0.14"
   },
   "devDependencies": {
     "@eslint/js": "^9.25.0",
@@ -23,8 +24,6 @@
     "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

@@ -1,29 +1,10 @@
-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>)
-}
+import Quiz from './components/Quiz'
 
 function App() {
-    const [counter,setCounter] = useState(0);
-    
-    const increment = () => setCounter(prev => prev + 1);
-    const decrement = () => setCounter(prev => prev - 1);
-    
 	return (
 		<>
-            <h2>Практика по созданию счетчика с колбэками</h2>
-            <CounterButton label="Увеличить" onClick={increment} />
-            <CounterButton label="уменьшить" onClick={decrement} />
-            <CounterDisplay value={counter} />
+			<h1>Практика по созданию списка задач</h1>
+            <Quiz />
 		</>
 	)
 }

src/components/Question.jsx

@@ -0,0 +1,31 @@
+import { useState } from 'react'
+
+const Question = ({question, onSubmit}) => {
+    const [selectedOption,setSelectedOption] = useState('')
+    const handleSubmit = () => {
+        console.log(selectedOption);
+        if (selectedOption) onSubmit(selectedOption);
+    }
+    
+    return (
+        <div>
+            <h2>Вопрос {question.id}: {question.text}</h2>
+            <div>
+                {question.options.map((option, index)=>(
+                    <label key={index}>
+                        <input 
+                        type="radio" 
+                        name={`question-${question.id}`}
+                        value={option}
+                        checked={selectedOption === option}
+                        onChange={() => setSelectedOption(option)} />
+                        {option}
+                    </label>
+                ))}
+            </div>
+            <button onClick={handleSubmit} >Следующий вопрос</button>
+        </div>
+    )
+}
+
+export default Question

src/components/Quiz.jsx

@@ -0,0 +1,35 @@
+import useQuizStore from './store/useQuizStore'
+import Question from './Question'
+import Result from './Result'
+
+const Quiz = () => {
+    const {
+        questions,
+        currentQuestion,
+        userAswers,
+        isFinished,
+        submitAnswer,
+        goToNextQuestion,
+        restartQuiz,
+    } = useQuizStore();
+    
+    const handleAnswerSubmit = (anwser) => {
+        console.log('Yes')
+        submitAnswer(answer)
+        if (currentQuestion < questions.length - 1 ) {
+            goToNextQuestion()
+        }
+    }
+    if(isFinished) {
+        return (<Result />)
+    }
+    return (
+        <div className="quiz">
+            <Question 
+            question={questions[currentQuestion]} 
+            onSubmit={handleAnswerSubmit} />
+        </div>
+    )
+}
+
+export default Quiz

src/components/Result.jsx

@@ -0,0 +1,9 @@
+const Result = ({questions, userAswers, onRestart}) => {
+    return (
+        <div>
+            <h2>Результат</h2>
+            <button onClick={onRestart}>Начать заново</button>
+        </div>
+    )
+}
+export default Result

src/components/store/useQuizStore.jsx

@@ -0,0 +1,36 @@
+import { create } from 'zustand'
+
+const useQuizStore = create(set => ({
+    questions: [
+        {
+            id:1,
+            text: 'Сколько будет 2+2?',
+            options: ['3','4','2'],
+            correctAnswer: '4',
+        },
+        {
+            id:2,
+            text: 'Столица России?',
+            options: ['Москва','Париж','Лондон'],
+            correctAnswer: 'Москва',
+        },
+    ],
+    currentQuestion: 0,
+    userAnswer:[],
+    isFinished: false,
+    goToNextQuestion: () => set(state => ({
+            currentQuestion: state.currentQuestion + 1,
+    })),
+    submitAnswer: answer => set(state => {
+        const updatedAnswer = [...state.userAnswer, answer];
+        const isFinished = (state.currentQuestion >= state.questions.length - 1);
+        return {userAnswer: updatedAnswer, isFinished};
+    }),/*
+    restartQuiz: () => set({
+        currentQuestion: 0,
+        userAnswer: [],
+        isFinished: false
+    }),     */
+}))
+
+export default useQuizStore

src/main.jsx

@@ -1,10 +1,8 @@
 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

@@ -1,22 +0,0 @@
-.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;
-    }
-}