Function _readNodeType

src/purify.ts:298–300

(node: Node)

     Node.prototype. Sites that need a different fallback (e.g. _isClobbered
     returns early on a null name) intentionally keep their own reads. */
  const _readNodeType = function (node: Node): number {
    return getNodeType ? getNodeType(node) : (node as any).nodeType;
  };

  const _readNodeName = function (node: Node): string {
    return getNodeName ? getNodeName(node) : (node as any).nodeName;