Merge pull request #5 from tylandercasper/patch-3

add notifyWhenEqual to projectListSplices

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.28.0
+* add notifyWhenEqual to projectListSplices so equal changes aren't filtered out
+
 ## 0.27.0
 * added notifyWhenEqual flag to ObservableMap
 

lib/src/async/differs/list_differ.dart

@@ -442,14 +442,14 @@ List<ListChangeRecord<E>> _createInitialSplices<E>(
 // insert incorrectly, because those items will be shifted.
 List<ListChangeRecord<E>> projectListSplices<E>(
     List<E> list, List<ListChangeRecord<E>> records,
-    [Equality<E>? equality]) {
+    {Equality<E>? equality, bool notifyWhenEqual = false}) {
   equality ??= DefaultEquality<E>();
   if (records.length <= 1) return records;
   final splices = <ListChangeRecord<E>>[];
   final initialSplices = _createInitialSplices(list, records);
   for (final splice in initialSplices) {
     if (splice.addedCount == 1 && splice.removed.length == 1) {
-      if (splice.removed[0] != list[splice.index]) {
+      if (notifyWhenEqual || splice.removed[0] != list[splice.index]) {
         splices.add(splice);
       }
       continue;

lib/src/async/observable_list.dart

@@ -297,7 +297,9 @@ class ObservableList<E> extends ListBase<E>
 
   bool deliverListChanges() {
     if (_listRecords == null) return false;
-    final records = projectListSplices<E>(this, _listRecords!);
+    //projectListSplices removes equal entries so skip the call when requested
+    final records = projectListSplices<E>(this, _listRecords!,
+        notifyWhenEqual: notifyWhenEqual);
     _listRecords = null;
 
     if (hasListObservers && records.isNotEmpty) {

pubspec.yaml

@@ -1,5 +1,5 @@
 name: change_notifier
-version: 0.27.0
+version: 0.28.0
 description: Support for marking objects as observable
 homepage: https://github.com/angulardart-community/change_notifier
 environment: