当我的JavaScript和C＃代码库重叠时，如何减少维护？

I have a library with some objects that I use both from C# and JavaScript. There are several objects, let's call one of them Foo, with the same basic implementation in C# and JavaScript. When I want to transmit an object of this type from the server to the browser, I simply call Foo.ToJson() to serialize this object to JSON and then revive the object on the browser side with a safe eval() operation.I have a library with some objects that I use b