@spree/storefront-api-v2-sdk/src/interfaces/endpoints/CartClass.ts

Node module to easily integrate your JavaScript or TypeScript application with Spree API V2. You can create an entirely custom Storefront in JS/TS with this package including one page checkout, Single Page Apps, PWAs and so on

import { IQuery } from '../Query'

export interface AddItem extends IQuery {
  variant_id: string
  quantity: number,
  options?: {
    [key: string]: string
  }
}

export interface SetQuantity extends IQuery {
  line_item_id: string
  quantity: number
}

export interface CouponCode extends IQuery {
  coupon_code: string
}

export interface EstimateShippingMethods extends IQuery {
  country_iso: string
}