superset-frontend/packages/superset-ui-core/src/validator/validateNonEmpty.ts

import { t } from '../translation';

export default function validateNonEmpty(v: unknown) {
  if (v === null || typeof v === 'undefined' || v === '' || (Array.isArray(v) && v.length === 0)) {
    return t('cannot be empty');
  }
  return false;
}