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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" "preview": "vite preview"
}, },
"dependencies": { "dependencies": {
"info": "^1.0.0",
"react": "^19.1.0", "react": "^19.1.0",
"react-dom": "^19.1.0" "react-dom": "^19.1.0"
}, },
@@ -23,8 +22,6 @@
"eslint-plugin-react-hooks": "^5.2.0", "eslint-plugin-react-hooks": "^5.2.0",
"eslint-plugin-react-refresh": "^0.4.19", "eslint-plugin-react-refresh": "^0.4.19",
"globals": "^16.0.0", "globals": "^16.0.0",
"sass": "^1.99.0",
"sass-embedded": "^1.99.0",
"vite": "^6.3.5" "vite": "^6.3.5"
} }
} }
+46 -17
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@@ -1,29 +1,58 @@
import styles from './styles/App.module.scss' import React from 'react'
import React, { useState, useCallback } from 'react'
function CounterButton({label, onClick}) { class RandomUser extends React.Component {
return ( constructor(props) {
<button onClick={onClick} className={styles.counter_button}>{label}</button> 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}) { </div>
return (<div className={styles.counter_display}> }
Значение счетчика: <b>{value}</b>
</div>)
} }
function App() { function App() {
const [counter,setCounter] = useState(0); const [showClock, setShowClock] = React.useState(true);
const increment = () => setCounter(prev => prev + 1);
const decrement = () => setCounter(prev => prev - 1);
return ( return (
<> <>
<h2>Практика по созданию счетчика с колбэками</h2> <h1>Домашнее задание: жизненый цикл</h1>
<CounterButton label="Увеличить" onClick={increment} /> <button onClick={()=> setShowClock(!showClock)}>
<CounterButton label="уменьшить" onClick={decrement} /> {showClock ? 'Скрыть часы' : 'Показать часы' }
<CounterDisplay value={counter} /> </button>
{showClock && <RandomUser />}
</> </>
) )
} }
-2
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@@ -4,7 +4,5 @@ import { createRoot } from 'react-dom/client'
import App from './App.jsx' import App from './App.jsx'
createRoot(document.getElementById('root')).render( createRoot(document.getElementById('root')).render(
<StrictMode>
<App /> <App />
</StrictMode>
) )