_hasAncestorTag()

in Readability.js [2227:2245]

• 19 lines of code
• 8 McCabe index (conditional complexity)

  _hasAncestorTag(node, tagName, maxDepth, filterFn) {
    maxDepth = maxDepth || 3;
    tagName = tagName.toUpperCase();
    var depth = 0;
    while (node.parentNode) {
      if (maxDepth > 0 && depth > maxDepth) {
        return false;
      }
      if (
        node.parentNode.tagName === tagName &&
        (!filterFn || filterFn(node.parentNode))
      ) {
        return true;
      }
      node = node.parentNode;
      depth++;
    }
    return false;
  },