Function onlyChild

bundle.js:2260–2263

* 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 g

(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;