Function validateFragmentProps

code/new-context-api/public/app.js:18923–18940

* Given a fragment, validate that it can only be provided with fragment props * @param {ReactElement} fragment

(fragment)

 * @param {ReactElement} fragment
 */
function validateFragmentProps(fragment) {
  currentlyValidatingElement = fragment;

  var keys = Object.keys(fragment.props);
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    if (!VALID_FRAGMENT_PROPS.has(key)) {
      warning(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.%s', key, getStackAddendum());
      break;
    }
  }

  if (fragment.ref !== null) {
    warning(false, 'Invalid attribute `ref` supplied to `React.Fragment`.%s', getStackAddendum());
  }

  currentlyValidatingElement = null;
}

function createElementWithValidation(type, props, children) {
  var validType = typeof type === 'string' || typeof type === 'function' ||