minValue<T extends num> function

ValidatorFn<T> minValue<T extends num>(
  1. T minValue
)

Returns a validator that checks a num value ≥ minValue.

Implementation

ValidatorFn<T> minValue<T extends num>(T minValue) {
  return (value) {
    if (value == null) return null;
    if (value < minValue) {
      return 'must be at least $minValue';
    }
    return null;
  };
}