Thank you Benjamin, you are right.
I have developed an extension for magento to put out some additional fields whenever ‘this is a gift’ checkbox is checked, and upon placing order redirecting the customer to a page where he can see his product in a gift like design. my extension customize the checkout_onepage block to enhance the checkout process.
now I want to migrate my extension code to support other ecommerce platforms, e.g. Shopify. I was wandering if there is a short and easy way to do it?
though my question is also general, is it feasible to migrate an extension from one platform to another (e.g. from shopify to magento or vice versa)