From 10290a36f23e77674e27783d169111c1961d5eb0 Mon Sep 17 00:00:00 2001
From: creme332 <65414576+creme332@users.noreply.github.com>
Date: Wed, 17 Jul 2024 16:24:11 +0400
Subject: [PATCH] add getCartSize()

---
 public/js_original/models/Cart.js | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/public/js_original/models/Cart.js b/public/js_original/models/Cart.js
index 9a504dc1..14491230 100644
--- a/public/js_original/models/Cart.js
+++ b/public/js_original/models/Cart.js
@@ -1,7 +1,7 @@
 /**
  * A function for managing the cart in localStorage.
  * @returns {{getItems: (function(): CartItem[]), removeItem: (function(CartItem): void), isEmpty: (function(): boolean),
- * clear: (function(): void), addItem: (function(CartItem): void)}}
+ * clear: (function(): void), addItem: (function(CartItem): void)}, getCartSize: (function(): number)}}
  */
 function Cart() {
   /**
@@ -82,7 +82,18 @@ function Cart() {
     localStorage.setItem("cart", "[]");
   }
 
-  return { addItem, isEmpty, getItems, removeItem, clear };
+  /**
+   *
+   * @returns {number} Total number of items in cart
+   */
+  function getCartSize() {
+    return getItems().reduce(
+      (accumulator, item) => accumulator + item.quantity,
+      0,
+    );
+  }
+
+  return { addItem, isEmpty, getItems, removeItem, clear, getCartSize };
 }
 
 export default Cart;