Rendering a Screen Based On Its ViewState

DestinationFragment.kt

class DestinationFragment : Fragment() {

    //code...
    
    @Inject
    internal lateinit var renderer: Renderer<DestinationViewState>

    private val viewModel by lazy { /* code ... */ }

    //code...

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        viewModel.viewState.render(this, renderer, view)
    }
}

inline fun <reified VS> LiveData<VS>.render(owner: LifecycleOwner, renderer: Renderer<VS>, view: View) {
    observe(owner, Observer { renderer.render(view, it) })
}