Function getSiblingNode

docs/external/js/react-dom.development.js:6801–6809

* Get the next sibling within a container. This will walk up the * DOM if a node's siblings have been exhausted. * * @param {DOMElement|DOMTextNode} node * @return {?DOMElement|DOMTextNode}

(node)

  function getSiblingNode(node) {
    while (node) {
      if (node.nextSibling) {
        return node.nextSibling;
      }

      node = node.parentNode;
    }
  }
  /**
   * Get object describing the nodes which contain characters at offset.
   *