minimize the movement of the nodes during active element preservation.

Co-authored-by: MichaelWest22 <[email protected]>
bigskysoftware · Jan 6, 2025 · 9f9d57e · 9f9d57e
1 parent 9aed82c
commit 9f9d57e
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/idiomorph.js b/src/idiomorph.js
@@ -490,10 +490,11 @@ var Idiomorph = (function () {
       ctx.activeElementMap.get(oldParent) || [];
     // are we about to morph the active element or its ancestor?
     if (newActiveElement === newChild) {
+      const beforePoint = activeElement.nextSibling
       while (insertionPoint && insertionPoint !== activeElement) {
-        // "move" the active element to the left by moving the current node to end of the parent
+        // "move" the active element to the left by moving the current node after the active element
         let nextInsertionPoint = insertionPoint.nextSibling;
-        moveBefore(oldParent, insertionPoint, null);
+        moveBefore(oldParent, insertionPoint, beforePoint);
         insertionPoint = nextInsertionPoint;
       }
     }