NavGraph scoped ViewModel with SavedStateHandle

SavedStateHandleNavGraphViewModel

Extension function:

fun <VM : ViewModel> Fragment.stateNavGraphViewModel(
    clazz: KClass<VM>,
    @IdRes navGraphId: Int,
    qualifier: Qualifier? = null,
    bundle: Bundle? = null,
    parameters: ParametersDefinition? = null
) = lazy {
    val owner = findNavController().getViewModelStoreOwner(navGraphId)
    getKoin().getViewModel(ViewModelParameter(
        clazz,
        qualifier,
        parameters,
        bundle ?: Bundle(),
        owner.viewModelStore,
        this)
    )
}


Definition in Koin Module:

viewModel { (handle: SavedStateHandle) -> ScopeViewModel(handle, get()) }

Usage in scoped fragments in navGraph scope:

val viewModel: ScopeViewModel by stateNavGraphViewModel(clazz, navGraphId)