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4 changed files with 58 additions and 1281 deletions
+9 -1256
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-3
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@@ -10,7 +10,6 @@
"preview": "vite preview"
},
"dependencies": {
"info": "^1.0.0",
"react": "^19.1.0",
"react-dom": "^19.1.0"
},
@@ -23,8 +22,6 @@
"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"
}
}
+47 -18
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@@ -1,29 +1,58 @@
import styles from './styles/App.module.scss'
import React, { useState, useCallback } from 'react'
import React from 'react'
function CounterButton({label, onClick}) {
return (
<button onClick={onClick} className={styles.counter_button}>{label}</button>
class RandomUser extends React.Component {
constructor(props) {
super(props)
this.state = { user: {} }
}
componentDidMount() {
fetch('https://randomuser.me/api')
.then(responce => responce.json())
.then(json => this.setState({ user: json.results[0] }));
console.log('смонтирован')
}
componentDidUpdate(prevProps,prevState) {
console.log(this.state);
console.log('Компонент обнвлен')
}
componentWillUnmount() {
console.log('Компонент таймера размонтирован')
}
render() {
return <div>
{this.state.user &&
this.state.user.name &&
(
<>
<h2>{this.state.user.name.first} {this.state.user.name.last}</h2>
<img src={this.state.user.picture.medium} />
<button onClick={() => {
console.log('Загружаем ... ')
fetch('https://randomuser.me/api')
.then(responce => responce.json())
.then(json => this.setState({ user: json.results[0] }));
}}>Загрузить нового</button>
</>
)
}
function CounterDisplay({value}) {
return (<div className={styles.counter_display}>
Значение счетчика: <b>{value}</b>
</div>)
}
</div>
}
}
function App() {
const [counter,setCounter] = useState(0);
const increment = () => setCounter(prev => prev + 1);
const decrement = () => setCounter(prev => prev - 1);
const [showClock, setShowClock] = React.useState(true);
return (
<>
<h2>Практика по созданию счетчика с колбэками</h2>
<CounterButton label="Увеличить" onClick={increment} />
<CounterButton label="уменьшить" onClick={decrement} />
<CounterDisplay value={counter} />
<h1>Домашнее задание: жизненый цикл</h1>
<button onClick={()=> setShowClock(!showClock)}>
{showClock ? 'Скрыть часы' : 'Показать часы' }
</button>
{showClock && <RandomUser />}
</>
)
}
-2
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@@ -4,7 +4,5 @@ import { createRoot } from 'react-dom/client'
import App from './App.jsx'
createRoot(document.getElementById('root')).render(
<StrictMode>
<App />
</StrictMode>
)