perf(ivy): attempt to coalesce listeners only in presence of directives (#29859)

PR Close #29859

packages/core/src/render3/util/view_utils.ts

@@ -131,6 +131,13 @@ export function getNativeByTNode(tNode: TNode, hostView: LView): RNode {
   return unwrapRNode(hostView[tNode.index]);
 }
 
+/**
+ * A helper function that returns `true` if a given `TNode` has any matching directives.
+ */
+export function hasDirectives(tNode: TNode): boolean {
+  return tNode.directiveEnd > tNode.directiveStart;
+}
+
 export function getTNode(index: number, view: LView): TNode {
   ngDevMode && assertGreaterThan(index, -1, 'wrong index for TNode');
   ngDevMode && assertLessThan(index, view[TVIEW].data.length, 'wrong index for TNode');