Function addToCart

2-copy-of-code/lesson-18/data/cart.js:25–45

(productId)

}

export function addToCart(productId) {
  let matchingItem;

  cart.forEach((cartItem) => {
    if (productId === cartItem.productId) {
      matchingItem = cartItem;
    }
  });

  if (matchingItem) {
    matchingItem.quantity += 1;
  } else {
    cart.push({
      productId: productId,
      quantity: 1,
      deliveryOptionId: '1'
    });
  }

  saveToStorage();
}

export function removeFromCart(productId) {
  const newCart = [];