Late final for relationshipt between Node and NodeList
diff --git a/lib/dom.dart b/lib/dom.dart
index de78f26..b9d0f01 100644
--- a/lib/dom.dart
+++ b/lib/dom.dart
@@ -157,7 +157,7 @@
/// A list of child nodes of the current node. This must
/// include all elements but not necessarily other node types.
- final NodeList nodes = NodeList._();
+ late final nodes = NodeList._(this);
List<Element>? _elements;
@@ -170,9 +170,7 @@
LinkedHashMap<Object, FileSpan>? _attributeSpans;
LinkedHashMap<Object, FileSpan>? _attributeValueSpans;
- Node._() {
- nodes._parent = this;
- }
+ Node._();
/// If [sourceSpan] is available, this contains the spans of each attribute.
/// The span of an attribute is the entire attribute, including the name and
@@ -709,11 +707,9 @@
// (The requirement to remove the node from the old node list makes it tricky.)
// TODO(jmesserly): is there any way to share code with the _NodeListImpl?
class NodeList extends ListProxy<Node> {
- // Note: this is conceptually final, but because of circular reference
- // between Node and NodeList we initialize it after construction.
- Node? _parent;
+ final Node _parent;
- NodeList._();
+ NodeList._(this._parent);
Node _setParent(Node node) {
// Note: we need to remove the node from its previous parent node, if any,
