afterNotNull method
The afterNotNull method will check if the state is loading
If loading it will display the placeholder
widget.
You can also specify the name of the loadingKey
.
Implementation
Widget afterNotNull(dynamic variable,
{required Function() child, Widget? loadingPlaceholder}) {
if (variable == null) {
return loadingPlaceholder ?? Backpack.instance.nylo().appLoader;
}
return child();
}