Nette form element validator
npm install @mdfx/nette-form-validator
The package has only one exposed function validateElement, which return either error message or null.
import { validateElement } from "@mdfx/nette-form-validator";
...
const errorMessage = validateElement(inputElement)
if (errorMessage === null) {
console.log('No error')
} else {
console.log(errorMessage)
}