Function emptyValidator

web/pgadmin/static/js/validators.js:50–55

(label, value)

/* Validate value to check if it is empty */
export function emptyValidator(label, value) {
  if(isEmptyString(value)) {
    return sprintf(pgAdmin.Browser.messages.CANNOT_BE_EMPTY, label);
  }
  return null;
}

export function isEmptyString(value) {
  return _.isUndefined(value) || _.isNull(value) || String(value).trim() === '' || String(value).replace(/(^\s+)|(\s+$)/g, '') == '';