LiveData as Flow of Kotlin Coroutines

FlowableLiveData.kt

fun <T> LiveData<T>.asFlow() = flowViaChannel<T?> {
    it.send(value)
    val observer = Observer<T> { t -> it.offer(t) }
    observeForever(observer)
    it.invokeOnClose {
        removeObserver(observer)
    }
}

val text = MutableLiveData<String>()

fun main() {
    launch(Dispatchers.Main) {
        text.asFlow()
            .filterNot {
                it.isNullOrBlank()
            }
            .collect {
                println(it)
            }
    }
}