.greaterThan

The .greaterThan rule is used to ensure that the value of a given number property is strictly greater than a given value.

Example

import { Validator } from 'fluentvalidation-ts';

type FormModel = {
  quantity: number;
};

class FormValidator extends Validator<FormModel> {
  constructor() {
    super();

    this.ruleFor('quantity').greaterThan(0);
  }
}

const formValidator = new FormValidator();

formValidator.validate({ quantity: 2 });
// ✔ {}

formValidator.validate({ quantity: 0 });
// ❌ { quantity: 'Value must be greater than 0' }

Reference

.greaterThan(threshold: number)

A number validation rule which takes in a threshold and ensures that the given property is strictly greater than it.

Example Message

Value must be greater than [threshold]