Copie add to cart button style to share wishlist button

wishlist-power-share-button-style.js

// Wishlist Power share button style
document.addEventListener('DOMContentLoaded', () => {
  const callback = () => {
    let wishlistPowerShareButtonButton = document.querySelector(".ooo-wl-share-button");
    let wishlistPowerAddToCartButton = document.querySelector('ooo-wl-button-add-to-cart')?.querySelector('button');
  
    if (wishlistPowerShareButtonButton && wishlistPowerAddToCartButton) {
      wishlistPowerShareButtonButton.classList.remove('ooo-wl-share-button');
      wishlistPowerShareButtonButton.classList.add('button', 'button-primary', 'ooo-wl-button');
  
      // Get computed styles from the source button
      const computedStyles = wishlistPowerAddToCartButton.style;
      // Copy CSS variables
      for (const style of computedStyles) {
        if (style.startsWith('--')) {
          wishlistPowerShareButtonButton.style.setProperty(
            style,
            computedStyles.getPropertyValue(style)
          );
        }
      }
  
      wishlistPowerShareButtonButton.style.overflow = 'unset';
    }
  }

  const observer = new MutationObserver(callback);
  observer.observe(document.documentElement, { attributes: true, childList: true });
});