Changes to Cart and CartLine on Storefront API

As part of the GraphQL Storefront API 2022-07 API release, the following are changes to have been made to the Cart and CartLine object:

• New attribute field with a key argument
• estimatedCost is renamed to cost on Cart.
• estimatedCost is renamed to cost on CartLine.
• Add subtotalAmountEstimated, totalAmountEstimated, totalTaxAmountEstimated, totalDutyAmountEstimated to CartCost
• amount is renamed to amountPerQuantity on CartLineCost.
• compareAtAmount is renamed to compareAtAmountPerQuantity on CartLineCost.

Learn more about the Cart object on Shopify.dev.