Shopify has their Javascript Buy SDK that connects to the store which allows creators/designers to integrate the eCommerce functionality in a much better and customized matter.

The SDK is used to fetch products, ad them to a cart and then push that cart to a shopify hosted checkout. But allowing the visuals of the site to be completely customized apart from shopify.

Something like this would be an awesome addition to Webflow eCommerce as well. This way a storefront could be created using a framework such as React, Angular or Vue. But keeping the backend part with payment integrations and CMS with Webflow.