commerce/lib/shopify/mutations/cart.ts

import cartFragment from '../fragments/cart';

export const addToCartMutation = /* GraphQL */ `
  mutation addToCart(
    $cartId: ID!
    $lines: [CartLineInput!]!
    $country: CountryCode
    $language: LanguageCode
  ) @inContext($country: String, $language: String) {
    cartLinesAdd(cartId: $cartId, lines: $lines) {
      cart {
        ...cart
      }
    }
  }
  ${cartFragment}
`;

export const createCartMutation = /* GraphQL */ `
  mutation createCart(
    $lineItems: [CartLineInput!],
    $country: CountryCode,
    $language: LanguageCode
  )  @inContext($country: String, $language: String) {
    cartCreate(input: { lines: $lineItems }) {
      cart {
        ...cart
      }
    }
  }
  ${cartFragment}
`;

export const editCartItemsMutation = /* GraphQL */ `
  mutation editCartItems($cartId: ID!, $lines: [CartLineUpdateInput!]!, $country: CountryCode, $language: LanguageCode) 
  @inContext($country: String, $language: String) {
    cartLinesUpdate(cartId: $cartId, lines: $lines) {
      cart {
        ...cart
      }
    }
  }
  ${cartFragment}
`;

export const removeFromCartMutation = /* GraphQL */ `
  mutation removeFromCart($cartId: ID!, $lineIds: [ID!]!, $country: CountryCode, $language: LanguageCode) 
  @inContext($country: String, $language: String) {
    cartLinesRemove(cartId: $cartId, lineIds: $lineIds) {
      cart {
        ...cart
      }
    }
  }
  ${cartFragment}
`;