I created my own Textfield component that extends the nativescript TextValueAccessor class to add some extra functionalities.
But when using it, I get a difference between what I type and the ngModel value.
If I type 1234 then the ngModel value will be 123.

Here a small demo : https://play.nativescript.org/?template=play-ng&id=ioUGxI&v=7

When I simplify the BaseValueAccessor onChange method to remove the debounce and directly call fn(arg) then everything works properly.