updateLineItemQuantity( )

1import { cart } from 'wix-stores-frontend';
2
3const cartLineItemId = 2;
4const quantity = 10;
5
6cart.updateLineItemQuantity(cartLineItemId, quantity)
7  .then((updatedCart) => {
8    // Cart line item's quantity updated
9    const cartId = updatedCart._id;
10    const updatedLineItems = updatedCart.lineItems;
11  })
12  .catch((error) => {
13    // Cart line item's quantity not updated
14    console.log(error);
15  })
16
17
18/* Example of returned updatedCart object:
19*
20* {
21*   "_id": "b36eb035-635a-450e-b74d-acf86ee4dfcc",
22*   "appliedCoupon": {
23*     "couponId": "e81e9c48-f954-4044-ba64-ccfe5c103c8f",
24*     "name": "Summer Sale",
25*     "code": "SummerSale",
26*     "discountValue": "$10.00",
27*     "couponType": "MoneyOff"
28*   },
29*   "billingAddress": {
30*     "firstName": "John",
31*     "lastName": "Doe",
32*     "email":"john.doe@somedomain.com",
33*     "phone":"5555555",
34*     "address":"235 West 23rd Street\nNew York, New York 10011\nUnited States"
35*   },
36*   "buyerNote": "This is a note from the buyer.",
37*   "buyerInfo":{
38*     "firstName": "John",
39*     "lastName": "Doe",
40*     "email": "john.doe@somedomain.com",
41*     "phone": "5555555555",
42*     "identityType": "CONTACT"
43*   },
44*   "status": "INCOMPLETE",
45*   "currency": {
46*      "code": "USD",
47*      "symbol": "$"
48*   },
49*   "shippingInfo": {
50*      "deliveryOption": "Free Shipping",
51*      "shippingAddress": {
52*        "firstName": "John",
53*        "lastName": "Doe",
54*        "email":"john.doe@somedomain.com",
55*        "phone":"5555555",
56*        "address":"235 West 23rd Street\nNew York, New York 10011\nUnited States"
57*      },
58*      "pickupDetails":null
59*   },
60*   "lineItems":[
61*     {
62*       "quantity": 1,
63*       "price": 120,
64*       "name": "A product",
65*       "productId": "a668ef33-f5b8-6569-d04c-1d123be68441",
66*       "totalPrice": 120,
67*       "lineItemType": "PHYSICAL",
68*       "customTextFields": [
69*         "title": "Custom Field",
70*         "value": "Custom value"
71*       ],
72*       "mediaItem": {
73*         "src": "wix:image://v1/a9ff3b_ed3b544c319b4fad9c222c791a997832.jpg/file.jpg#originWidth=1000&originHeight=1000",
74*         "type": "IMAGE"
75*       },
76*       "sku": "21554345656",
77*       "options": [ ],
78*       "weight": 3,
79*       "id": 1
80*     },
81*     {
82*       "quantity": 10,
83*       "price": 25,
84*       "name": "Another product",
85*       "productId": "1a2d7e83-4bef-31d5-09e1-3326ee271c09",
86*       "totalPrice": 25,
87*       "lineItemType": "PHYSICAL",
88*       "mediaItem": {
89*         "src": "wix:image://v1/a9ff3b_c6158b4d41784ae8b08337a331e1de7f.jpg/file.jpg#originWidth=1000&originHeight=1000",
90*         "type": "IMAGE"
91*       },
92*       "sku": "217537123517253",
93*       "options": [
94*         {
95*           "option": "Size",
96*           "selection": "Medium"
97*         },
98*         {
99*           "option": "Color",
100*           "selection": "Black"
101*         }
102*       ],
103*       "weight": 2,
104*       "id": 2
105*     }
106*   ],
107*   "totals": {
108*      "discount": 0,
109*      "quantity": 2,
110*      "shipping": 0,
111*      "subtotal": 145,
112*      "tax": 0,
113*      "total": 145,
114*      "weight": 5
115*   },
116*   "weightUnit": "LB"
117* }
118*/