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4 changed files with 1281 additions and 58 deletions
+1256 -9
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+4 -1
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@@ -4,12 +4,13 @@
"version": "0.0.0", "version": "0.0.0",
"type": "module", "type": "module",
"scripts": { "scripts": {
"dev": "vite", "dev": "vite",
"build": "vite build", "build": "vite build",
"lint": "eslint .", "lint": "eslint .",
"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"
}, },
@@ -22,6 +23,8 @@
"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"
} }
} }
+19 -48
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@@ -1,58 +1,29 @@
import React from 'react' import styles from './styles/App.module.scss'
import React, { useState, useCallback } from 'react'
class RandomUser extends React.Component { function CounterButton({label, onClick}) {
constructor(props) { return (
super(props) <button onClick={onClick} className={styles.counter_button}>{label}</button>
this.state = { user: {} } )
} }
function CounterDisplay({value}) {
componentDidMount() { return (<div className={styles.counter_display}>
fetch('https://randomuser.me/api') Значение счетчика: <b>{value}</b>
.then(responce => responce.json()) </div>)
.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>
</>
)
}
</div>
}
} }
function App() { function App() {
const [showClock, setShowClock] = React.useState(true); const [counter,setCounter] = useState(0);
const increment = () => setCounter(prev => prev + 1);
const decrement = () => setCounter(prev => prev - 1);
return ( return (
<> <>
<h1>Домашнее задание: жизненый цикл</h1> <h2>Практика по созданию счетчика с колбэками</h2>
<button onClick={()=> setShowClock(!showClock)}> <CounterButton label="Увеличить" onClick={increment} />
{showClock ? 'Скрыть часы' : 'Показать часы' } <CounterButton label="уменьшить" onClick={decrement} />
</button> <CounterDisplay value={counter} />
{showClock && <RandomUser />}
</> </>
) )
} }
+2
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@@ -4,5 +4,7 @@ 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>
) )