Function validateProps

code/composition/public/app.js:14581–14589

* Implements an host component that warns when `selected` is set.

(element, props)

 */

function validateProps(element, props) {
  // TODO (yungsters): Remove support for `selected` in <option>.
  {
    if (props.selected != null && !didWarnSelectedSetOnOption) {
      warning(false, 'Use the `defaultValue` or `value` props on <select> instead of ' + 'setting `selected` on <option>.');
      didWarnSelectedSetOnOption = true;
    }
  }
}

function postMountWrapper$1(element, props) {
  // value="" should make a value attribute (#6219)