Function cloneElementWithValidation

code/event-handlers/public/app.js:18993–19000

(element, props, children)

}

function cloneElementWithValidation(element, props, children) {
  var newElement = cloneElement.apply(this, arguments);
  for (var i = 2; i < arguments.length; i++) {
    validateChildKeys(arguments[i], newElement.type);
  }
  validatePropTypes(newElement);
  return newElement;
}

var React = {
  Children: {