Here is my JavaScript UML code generator that creates the class code for you as you fill in the the UML diagram properties and methods using the interface. Use App: https://christopherandrewtopalian.github.io/CATopalian_JavaScript_UML_Code_Generator/CATopalian_JavaScript_UML_Code_Generator.html and here is the CODE: https://github.com/ChristopherAndrewTopalian/CATopalian_JavaScript_UML_Code_Generator