feat: implemented most cart operations

components/cart/delete-item-button.tsx

@@ -13,12 +13,11 @@ export default function DeleteItemButton({ item }: { item: CartItem }) {
   async function handleRemove() {
     setRemoving(true);
 
-    const response = await fetch(`/api/cart`, {
-      method: 'DELETE',
-      body: JSON.stringify({
-        lineId: item.id
-      })
+    console.log(item.id);
+    const response = await fetch(`/api/cart?lineId=${item.id}`, {
+      method: 'DELETE'
     });
+
     const data = await response.json();
 
     if (data.error) {

components/cart/modal.tsx

@@ -107,7 +107,8 @@ export default function CartModal({
                                 height={64}
                                 alt={
                                   item.merchandise.product.featuredImage.altText ||
-                                  item.merchandise.product.title
+                                  item.merchandise.product.title ||
+                                  ''
                                 }
                                 src={item.merchandise.product.featuredImage.url}
                               />