previousElementSibling property

XmlElement? previousElementSibling

Return the previous element sibling of this node, or null.

Implementation

XmlElement? get previousElementSibling {
  final siblings = this.siblings;
  for (var i = siblings.length - 1; i > 0; i--) {
    if (identical(siblings[i], this)) {
      for (var j = i - 1; j >= 0; j--) {
        final candidate = siblings[j];
        if (candidate is XmlElement) {
          return candidate;
        }
      }
      return null;
    }
  }
  return null;
}