🎃 Spookyberb 🎃 – 12-59 Nov 3

const isValid = (value, limit = 25) => value.length <= limit;

<ControlledInput validationFunction={isValid} />
const ControlledInput = ({ control, name, label, validationFunction }) => (
  <Controller
  ...
        onValueChange={(val) => {
          if (validationFunction(val)) {
            onChange(val);
          }
        }}
  ...
  />
);