Next.js Counter with Buttons Map - Next-js Typing CST Test

Next.js Counter with Buttons Map — Next-js Code

Uses an array of button configs to render counter buttons dynamically.

import { useState } from 'react';

export default function Counter() {
  const [count, setCount] = useState(0);
  const [isDark, setIsDark] = useState(false);
  const buttons = [
    { label: '+', action: () => setCount(count + 1) },
    { label: '-', action: () => setCount(count - 1) },
    { label: 'Reset', action: () => setCount(0) }
  ];

  return (
    <div className={isDark ? 'dark-theme' : 'light-theme'} style={{ padding: '2rem', textAlign: 'center' }}>
      <h2>Counter: {count}</h2>
      {buttons.map((btn, idx) => <button key={idx} onClick={btn.action}>{btn.label}</button>)}
      <button onClick={() => setIsDark(!isDark)}>Switch Theme</button>
      <style jsx>{`
        .dark-theme { background: #222; color: #eee; min-height: 100vh; }
        .light-theme { background: #fff; color: #000; min-height: 100vh; }
        button { margin: 0 0.5rem; }
      `}</style>
    </div>
  );
}

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