Is it possible to transfer on wix studio a website built entirely on code?

Hello,
I had a request from a potential client who asked to transfer their website on wix and to mantain a calculator feature which currently works by using files like JavaScript and CSS. Now I would like to know if it is possible to transfer on wix a website which has been built entirely on code. If it is possible then how do you do that exacly? If not, would I be forced to rebuild it manually? Thanks in advance.

You cannuse Custom elements… If the JS is not too complex, you can even merge the style, HTML, and JS into single iframe and embed it as code in Wix.