rememberBottomSheetChild

ChildSlot+BottomSheet.kt

@Composable
fun <C : Any, T : Any> ChildSlot<C, T>.rememberBottomSheetChild(onDismiss: suspend () -> Unit): Child.Created<C, T>? {
    var bottomSheetChild: Child.Created<C, T>? by remember { mutableStateOf(child) }
    LaunchedEffect(child) {
        if (child == null) onDismiss()
        bottomSheetChild = child
    }
    return bottomSheetChild
}

Sample.kt

@Composable
fun Sample() {
    val bottomSheetState = rememberModalBottomSheetState(skipPartiallyExpanded = true)
    val bottomSheetChild = bottomSheetSlot.rememberBottomSheetChild(
        onDismiss = {
            if (bottomSheetState.isVisible) bottomSheetState.hide()
        }
    )

    bottomSheetChild?.let {
        ModalBottomSheet(...)
    }
}