It's been possible to develop AppleScript-ObjC applications using Xcode and Interface Builder for several years. I think you define properties in the AS code th

It's been possible to develop AppleScript-ObjC applications using Xcode and Interface Builder for several years. I think you define properties in the AS code that Interface Builder recognises as IBOutlets to allow you to connect it all up, so I'd expect there to be a similar thing set up for the new JS stuff.