function isHTMLElement()

in src/component/utils/isHTMLElement.js [12:23]

• 12 lines of code
• 5 McCabe index (conditional complexity)

function isHTMLElement(node: ?Node): boolean {
  if (!node || !node.ownerDocument) {
    return false;
  }
  if (!node.ownerDocument.defaultView) {
    return node instanceof HTMLElement;
  }
  if (node instanceof node.ownerDocument.defaultView.HTMLElement) {
    return true;
  }
  return false;
}