hyperform/src/polyfills/validationMessage.js

Capture form validation back from the browser

'use strict';


import { message_store } from '../components/message_store';


/**
 * get the validation message for an element, empty string, if the element
 * satisfies all constraints.
 */
export default function validationMessage(element) {
  const msg = message_store.get(element);
  if (! msg) {
    return '';
  }

  /* make it a primitive again, since message_store returns String(). */
  return msg.toString();
}