vsavkin 50548fb565 fix(forms): use strict runtimeType checks instead of instanceof
Currently, validators extending built-in validators are treated as built-in.
This can result in an error when both a real built-in validator and a custom one are applied to the same element.

Closes #6981
2016-02-10 09:23:59 -08:00
..
2016-02-03 14:03:01 +00:00