Сделали таймер

class components
2026-05-28 20:45:57 +03:00 · 2026-05-28 20:29:26 +03:00
8 changed files with 94 additions and 212 deletions
@@ -5,19 +5,6 @@
 		<link rel="icon" type="image/svg+xml" href="/vite.svg" />
 		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
 		<title>Vite + React</title>
 		<style>
 			* {
 				margin: 0;
 				padding: 0;
 				box-sizing: border-box;
 				font-family: Arial, Helvetica, sans-serif;
 			}
 			body {
 				background-color: #ecfeff;
 			}
 		</style>
 	</head>
 	<body>
 		<div id="root"></div>
@@ -20,7 +20,6 @@
        "eslint-plugin-react-hooks": "^5.2.0",
        "eslint-plugin-react-refresh": "^0.4.19",
        "globals": "^16.0.0",
        "react-icons": "^5.6.0",
        "vite": "^6.3.5"
      }
    },
@@ -2462,16 +2461,6 @@
        "react": "^19.1.0"
      }
    },
    "node_modules/react-icons": {
      "version": "5.6.0",
      "resolved": "https://registry.npmjs.org/react-icons/-/react-icons-5.6.0.tgz",
      "integrity": "sha512-RH93p5ki6LfOiIt0UtDyNg/cee+HLVR6cHHtW3wALfo+eOHTp8RnU2kRkI6E+H19zMIs03DyxUG/GfZMOGvmiA==",
      "dev": true,
      "license": "MIT",
      "peerDependencies": {
        "react": "*"
      }
    },
    "node_modules/react-refresh": {
      "version": "0.17.0",
      "resolved": "https://registry.npmjs.org/react-refresh/-/react-refresh-0.17.0.tgz",
@@ -22,7 +22,6 @@
    "eslint-plugin-react-hooks": "^5.2.0",
    "eslint-plugin-react-refresh": "^0.4.19",
    "globals": "^16.0.0",
    "react-icons": "^5.6.0",
    "vite": "^6.3.5"
  }
 }
@@ -1,72 +1,108 @@
-import styles from './App.module.css'
+import React from 'react'
 import SneakersImage from './assets/images/sneakers-image.jpg'
 import { FaRegUser } from 'react-icons/fa'
-function handleClick(i) {
+class MyComponent extends React.Component {
-    console.log(i);
+    constructor(props) {
-}
+        super(props);
-
+        this.state = { data: null };
-function Header() {
+        this.handleClick = this.handleClick.bind(this);
    const handleChange = event => {
        const newValue = event.target.value;
        console.log(`Новое значение ${newValue}`);
    }
    render() {
        return (
 		<header className={styles.header}>
            <div>
-				<h2>Store</h2>
+            {this.state.data ? (
-				<input type='text	' placeholder='Search...' onChange={handleChange} />
+                    <div>Данные: {this.state.data}</div>
-			</div>
+                ) : (
-			<div>
+                    <div>Загрузка...</div>
-				<FaRegUser size={24} color='#3258e3' />
+                )}
-				<button>Profile</button>
+                <button onClick={this.handleClick}>Обновить</button>
 			</div>
 		</header>
 	)
 }
 function Product() {
    const handlerMouseEnter = event => {
        const img = event.target;
        img.style.border = '5px solid yellow';
    }
    const handlerMouseOut = event => {
        const img = event.target;
        img.style.border = '';
        console.log(event);
    }
 	return (
 		<div className={styles.product}>
 			<img src={SneakersImage} alt='' onMouseEnter={handlerMouseEnter} onMouseOut={handlerMouseOut} />
 			<div className={styles.content}>
 				<div className={styles.title}>
 					<h4>Sneakers Red & White 2025</h4>
 					<button onClick={() => handleClick(0)} onMouseEnter={handlerMouseEnter} onMouseOut={handlerMouseOut}>+</button>
 				</div>
 				<p className={styles.description}>NIKE</p>
 				<p className={styles.price}>$38.00</p>
 			</div>
            </div>
        )
    }
    componentDidMount() {
        fetch('https://api.example.com/data')
        .then(responce => responce.json())
        .then(json => this.setState({data: json}));
        this.timerId = setInterval(()=> console.log('Tick'), 1000);
    }
    componentWillUnmout() {
        clearInterval(this.timerId);
    }
    handleClick() {
        this.setState({data: 'Данные'})
    }
 }
 class MyComponent2 extends React.Component {
    controller = new AbortController()
    componentDidMount() {
        fetch('https://api.example.com/data',{ singnal: this.controller.signal })
        .then(responce => responce.json())
        .then(json => this.setState({data: json}))
        .catch(error => {
            if(error.name == 'AbortError') {
                console.log('Aborted');
            } else {
                console.log('Other error',error);
            }
        });
    }
    componentWillUnmount() {
        this.controller.abort()
    }
 }
 class MyComponent3 extends React.Component {
    componentDidMount() {
        this.loadData();
    }
    async loadData() {
        try {
            const response = await fetch('https://api.example.com/data');
            const data = await response.json();
            this.setSate({ data });
        } catch {
            console.log('error');
        }
    }
 }
 class Timer extends React.Component {
    constructor(props) {
        super(props);
        this.state = { seconds: 0 }
    }
    componentDidMount() {
        console.log('Timer mounted');
        this.interval = setInterval(()=>{
            this.setState(prevState => ({seconds: prevState.seconds + 1}))
        },1000);
    }
    componentWillUnmount() {
        console.log('Timer unmount');
        clearInterval(this.interval);
    }
    render() {
        return <h2>Прошло секунд: {this.state.seconds}</h2>
    }
 }
 function App() {
    const [show,setShow] = React.useState(true);
 	return (
 		<>
-			<div className={styles.container}>
+			<h1>Таймер с классом</h1>
-			<Header />
+            <button onClick={()=>setShow(prev => !prev)}>{show ? 'Скрыть' : 'Показать'} таймер</button>
-				<ul className={styles.list}>
+            {show && <Timer />}
 					<li>
 						<Product />
 					</li>
 					<li>
 						<Product />
 					</li>
 					<li>
 						<Product />
 					</li>
 				</ul>
 			</div>
 		</>
 	)
 }
@@ -1,123 +0,0 @@
@use './assets/styles/variables' as *;
 .header {
 	display: flex;
 	justify-content: space-between;
 	align-items: center;
 	padding: 20px;
 	background-color: white;
 	border-bottom-left-radius: 10px;
 	border-bottom-right-radius: 10px;
 	div {
 		&:first-child {
 			display: flex;
 			align-items: center;
 			gap: 20px;
 			h2 {
 				color: $primary-color;
 			}
 			input {
 				border-radius: 5px;
 				outline: none;
 				font-size: 16px;
 				border: 1px solid gainsboro;
 				padding: 5px 10px;
 				&:focus {
 					border: 1px solid $primary-color;
 				}
 			}
 		}
 		&:last-child {
 			display: flex;
 			align-items: center;
 			gap: 10px;
 			button {
 				outline: 0;
 				border: 0;
 				border-radius: 5px;
 				padding: 5px 15px;
 				font-size: 16px;
 				background-color: $primary-color;
 				color: $white-color;
 				font-weight: 600;
 				cursor: pointer;
 				&:hover {
 					background-color: $seconday-color;
 				}
 			}
 		}
 	}
 }
 .container {
 	max-width: 1220px;
 	margin: 0 auto;
 }
 .list {
 	display: flex;
 	justify-content: space-between;
 	border-radius: 10px;
 	margin-top: 100px; /* временно */
 	padding: 20px;
 	background-color: white;
 	list-style: none;
 }
 .product {
 	display: flex;
 	flex-direction: column;
 	width: 350px;
 	gap: 20px;
 	border-radius: 10px;
 }
 .content {
 	display: flex;
 	flex-direction: column;
 	gap: 10px;
 }
 .title {
 	display: flex;
 	justify-content: space-between;
 	align-items: center;
 	h4 {
 		font-size: 18px;
 	}
 	button {
 		background-color: black;
 		color: white;
 		border: 0;
 		border-radius: 50%;
 		outline: 0;
 		font-size: 20px;
 		padding: 5px 10px;
 		cursor: pointer;
 	}
 }
 img {
 	border-radius: 10px;
 }
 .description {
 	color: gray;
 }
 .price {
 	font-weight: bold;
 }
@@ -1,5 +0,0 @@
 $white-color: white;
 $black-color: black;
 $primary-color: #3258e3;
 $seconday-color: #4432e3;
@@ -1,9 +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>
 )
Author	SHA1	Message	Date
laktionov-as	12515f925d	Сделали таймер	2026-05-28 20:45:57 +03:00
laktionov-as	b3662b759f	class components	2026-05-28 20:29:26 +03:00