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Refactor functions in cart.js #33

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Refactor functions in cart.js #33

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22 changes: 14 additions & 8 deletions js/cart.js
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,18 @@ const removeFromCart = (productId) => {
return;
};

/**
* Formats a numeric price as USD currency.
* @param {number} price - The numeric price to be formatted.
* @returns {string} The formatted price in USD currency format.
*/
const formatPriceAsUSD = (price) => {
return new Intl.NumberFormat("en-US", {
style: "currency",
currency: "USD",
}).format(price);
};

/**
* Calculates and displays the total price and quantity of items in the cart.
* The total price is formatted as a currency value in US dollars, and the
Expand All @@ -120,10 +132,7 @@ const calculateTotal = () => {
return total + item.price * item.qtyInCart;
}, 0);

totalPriceEl.textContent = new Intl.NumberFormat("en-US", {
style: "currency",
currency: "USD",
}).format(totalPrice);
totalPriceEl.textContent = formatPriceAsUSD(totalPrice);

totalQuantity === 1
? (productQuantity.textContent = `${totalQuantity} product`)
Expand Down Expand Up @@ -154,10 +163,7 @@ const displayCartProducts = () => {
imgContainer.appendChild(itemImg);

const itemPrice = createElementWithClass("p", "cart-item-price");
itemPrice.textContent = new Intl.NumberFormat("en-US", {
style: "currency",
currency: "USD",
}).format(price * qtyInCart);
itemPrice.textContent = formatPriceAsUSD(price * qtyInCart);

const itemQtyWrapper = createElementWithClass("div", "item-qty-wrapper");
const decrementBtn = createButton(
Expand Down