From fe54d55fb3a802c72f182ab57dc9dff15ae049e9 Mon Sep 17 00:00:00 2001
From: Karl Seamon <bannanafiend@gmail.com>
Date: Tue, 11 Feb 2025 15:19:29 -0500
Subject: [PATCH] perf(cdk/table): Short circuit _removeStickyStyle calls
 against elements with no sticky styles

---
 src/cdk/table/sticky-styler.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cdk/table/sticky-styler.ts b/src/cdk/table/sticky-styler.ts
index eebe0b8ec3ea..2f50569e9207 100644
--- a/src/cdk/table/sticky-styler.ts
+++ b/src/cdk/table/sticky-styler.ts
@@ -330,6 +330,10 @@ export class StickyStyler {
    * sticky position if there are no more directions.
    */
   _removeStickyStyle(element: HTMLElement, stickyDirections: StickyDirection[]) {
+    if (!element.classList.contains(this._stickCellCss)) {
+      return;
+    }
+
     for (const dir of stickyDirections) {
       element.style[dir] = '';
       element.classList.remove(this._borderCellCss[dir]);