Merge pull request #18335 from Snuffleupagus/watchScroll-cancelAnimat…

…ionFrame Cancel the `requestAnimationFrame` in the `watchScroll` helper (PR 18193 follow-up)
mozilla · Jun 26, 2024 · af16aa6 · af16aa6
2 parents 6d57908 + 4dad1e3
commit af16aa6
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/web/ui_utils.js b/web/ui_utils.js
@@ -193,6 +193,11 @@ function watchScroll(viewAreaElement, callback, abortSignal = undefined) {
     useCapture: true,
     signal: abortSignal,
   });
+  abortSignal?.addEventListener(
+    "abort",
+    () => window.cancelAnimationFrame(rAF),
+    { once: true }
+  );
   return state;
 }