Function onlyChild

chapter-12/server-render-recipes/assets/bundle.js:2035–2038

* Returns the first child in a collection of children and verifies that there * is only one child in the collection. * * See https://facebook.github.io/react/docs/react-api.html#react.children.only * * The current implementation of this function assumes that a single child gets * passed withou

(children)

 * structure.
 */
function onlyChild(children) {
  !ReactElement_1.isValidElement(children) ? invariant(false, 'React.Children.only expected to receive a single React element child.') : void 0;
  return children;
}

var onlyChild_1 = onlyChild;