Untitled

fun ViewModel.launch(
    context: CoroutineContext = EmptyCoroutineContext,
    start: CoroutineStart = CoroutineStart.DEFAULT,
    onError: (Throwable) -> Unit = {},
    finallyBlock: () -> Unit = {},
    block: suspend CoroutineScope.() -> Unit,
): Job {
    return viewModelScope.launch(context = context, start = start) {
        try {
            block()
        } catch (exception: Exception) {
            if (exception is CancellationException) throw exception
            Timber.e(exception)
            onError(exception)
        } finally {
            finallyBlock()
        }
    }
}

fun <T> ViewModel.async(
    context: CoroutineContext = EmptyCoroutineContext,
    start: CoroutineStart = CoroutineStart.DEFAULT,
    onError: (Throwable) -> Unit = {},
    block: suspend CoroutineScope.() -> T,
): Deferred<T?> {
    return viewModelScope.async(context = context, start = start) {
        try {
            block()
        } catch (exception: Exception) {
            if (exception is CancellationException) throw exception
            Timber.e(exception)
            onError(exception)
            null
        }
    }
}