From 7c2d04cbb50beac75a1f769ff2b0e186315b51d8 Mon Sep 17 00:00:00 2001
From: Justin Halsall <Juice10@users.noreply.github.com>
Date: Wed, 1 Apr 2026 12:00:00 +0800
Subject: [PATCH] add idRemoved to TreeIndex (#640)

---
 src/replay/index.ts | 4 ++--
 src/utils.ts        | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/replay/index.ts b/src/replay/index.ts
index a15e3451..5707feb2 100644
--- a/src/replay/index.ts
+++ b/src/replay/index.ts
@@ -1619,7 +1619,7 @@ export class Replayer {
   }
 
   private warnNodeNotFound(d: incrementalData, id: number) {
-    if (this.treeIndex['removeIdSet'].has(id)) {
+    if (this.treeIndex.idRemoved(id)) {
       this.warn(`Node with id '${id}' was previously removed. `, d);
     } else {
       this.warn(`Node with id '${id}' not found. `, d);
@@ -1641,7 +1641,7 @@ export class Replayer {
      * is microtask, so events fired on a removed DOM may emit
      * snapshots in the reverse order.
      */
-    if (this.treeIndex['removeIdSet'].has(id)) {
+    if (this.treeIndex.idRemoved(id)) {
       this.debug(
         REPLAY_CONSOLE_PREFIX,
         `Node with id '${id}' was previously removed. `,
diff --git a/src/utils.ts b/src/utils.ts
index 88f4f7dc..fcad16e8 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -534,6 +534,10 @@ export class TreeIndex {
     this.scrollMap = new Map();
     this.inputMap = new Map();
   }
+
+  public idRemoved(id: number): boolean {
+    return this.removeIdSet.has(id);
+  }
 }
 
 type ResolveTree = {