Event-specific logic

event-spesific-logic.ts

function ProductPage({ product, addToCart }) {
  // ✅ Good: Event-specific logic is called from event handlers
  function buyProduct() {
    addToCart(product);
    showNotification(`Added ${product.name} to the shopping cart!`);
  }

  function handleBuyClick() {
    buyProduct();
  }

  function handleCheckoutClick() {
    buyProduct();
    navigateTo('/checkout');
  }
  // ...
}