Function createButton

src/ui/components/button.js:14–32

({ label, id, variant, onClick })

 * @returns {HTMLButtonElement}
 */
export function createButton({ label, id, variant, onClick }) {
  const button = document.createElement('button');
  button.textContent = label;
  button.className = 'btn';

  if (id) {
    button.id = id;
  }

  if (variant) {
    button.classList.add(variant);
  }

  if (onClick) {
    button.addEventListener('click', onClick);
  }

  return button;
}