validator's People
validator's Issues
Custom Validation Only Works If Field is Filled
Attempting to use a custom validation to allow one field or another (but not both) is quite difficult right now because the custom validation only executes if the field has a value.
I propose changing this behaviour to always execute custom validation, even if the field is not filled.
This would be a breaking change if anyone is currently depending on the behaviour as is now. An alternative is to add a different kind of validator that will run all the time, even on empty fields so there is a way to have both behaviour.
I think having the custom validator always run, even when a field is not filled in is the most powerful approach as this way the user can simply return true from their custom validator if the value is empty.
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