UpdateCartLineItem

import { defineApi } from "@vsf-enterprise/unified-api-sfcc";
import { getNormalizedCart } from "@vsf-enterprise/unified-api-sfcc";
import { KnownKeys } from "@vsf-enterprise/unified-api-sfcc";
import { BasketProductUpdateParams } from "@vsf-enterprise/sfcc-types";
import from "@vsf-enterprise/unified-api-sfcc/udl";

declare module "@vsf-enterprise/unified-api-sfcc" {
  interface UpdateCartLineItemExtendedArgs {
    /**
     * The additional cart line item parameters to be updated.
     * {@link https://developer.salesforce.com/docs/commerce/commerce-api/references/shopper-baskets?meta=updateItemInBasket SFCC method reference}
     *
     */
    lineItem?: Omit<KnownKeys<BasketProductUpdateParams>, "itemId" | "quantity">;
  }
}


export const updateCartLineItem = defineApi.updateCartLineItem(async (context, args) => {
  const { lineItemId, quantity, cartId } = args;

  const cart = await context.api.updateProductInBasket({
    basketId: cartId,
    itemId: lineItemId,
    quantity,
  });

  return await getNormalizedCart(context, cart);
});