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add task solution #1794

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47 changes: 41 additions & 6 deletions src/App.tsx
Original file line number Diff line number Diff line change
@@ -1,7 +1,42 @@
import React from 'react';
import React, { Component } from 'react';

export const App: React.FC = () => (
<div className="App">
<p className="App__message">The last pressed key is [Enter]</p>
</div>
);
type State = {
pressedKey: string | null; // Змінено на string | null для відображення не натиснутої клавіші
};

export class App extends Component<{}, State> {
state: State = {
pressedKey: null, // Встановлено в null за замовчуванням
};

// Метод для обробки подій keyup
handleKeyUp = (event: KeyboardEvent): void => {
this.setState({ pressedKey: event.key }); // Оновлюємо стан на натиснуту клавішу
};

// Додаємо глобальний обробник keyup при монтуванні компонента
componentDidMount(): void {
document.addEventListener('keyup', this.handleKeyUp);
}

// Видаляємо обробник keyup перед демонтуванням компонента
componentWillUnmount(): void {
document.removeEventListener('keyup', this.handleKeyUp);
}

render() {
const { pressedKey } = this.state;

return (
<div className="App">
<p className="App__message">
{pressedKey
? `The last pressed key is [${pressedKey}]`
: 'Nothing was pressed yet'}
</p>
</div>
);
}
}

export default App;
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