If Figma has their eyes open, they'll run with this idea. Design once in Figma, generate UIs for React, Vue, Jetpack and SwiftUI. Designers become way more productive, doing part of the work of front end devs.
Developers aren't just people who know a programming language, they're people who can examine a problem in detail. If a designer was capable of this they'd be a dev who designed and they probably wouldn't use a GUI web design tool.