From 34bb27d515212533f4ccf6b5c0c3721fe59355af Mon Sep 17 00:00:00 2001
From: priyanshu1976 <priyanshu.cto@gmail.com>
Date: Sat, 29 Aug 2026 10:22:50 +0530
Subject: [PATCH] fix: clear timeout ids from array in clearTimeouts

Empties the timeouts array after clearing so outOfFocusTimeouts no
longer grows unboundedly across a session.

Closes #8366

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 frontend/__tests__/utils/misc.spec.ts | 16 ++++++++++++++++
 frontend/src/ts/utils/misc.ts         |  6 ++----
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/frontend/__tests__/utils/misc.spec.ts b/frontend/__tests__/utils/misc.spec.ts
index 84f6c10d258a..1db9ef4ab5a7 100644
--- a/frontend/__tests__/utils/misc.spec.ts
+++ b/frontend/__tests__/utils/misc.spec.ts
@@ -3,6 +3,7 @@ import {
   isObject,
   escapeHTML,
   promiseWithResolvers,
+  clearTimeouts,
 } from "../../src/ts/utils/misc";
 import {
   getLanguageDisplayString,
@@ -224,6 +225,21 @@ describe("misc.ts", () => {
     });
   });
 
+  describe("clearTimeouts", () => {
+    it("should clear timeouts and empty the array", () => {
+      //GIVEN
+      const spy = vi.fn();
+      const timeouts = [setTimeout(spy, 1000), setTimeout(spy, 1000)];
+
+      //WHEN
+      clearTimeouts(timeouts);
+
+      //THEN
+      expect(timeouts).toHaveLength(0);
+      expect(spy).not.toHaveBeenCalled();
+    });
+  });
+
   describe("promiseWithResolvers", () => {
     it("should resolve the promise from outside", async () => {
       //GIVEN
diff --git a/frontend/src/ts/utils/misc.ts b/frontend/src/ts/utils/misc.ts
index 510a82e1fe31..f58d88de94a8 100644
--- a/frontend/src/ts/utils/misc.ts
+++ b/frontend/src/ts/utils/misc.ts
@@ -146,10 +146,8 @@ export function escapeHTML<T extends string | null | undefined>(str: T): T {
 }
 
 export function clearTimeouts(timeouts: (number | NodeJS.Timeout)[]): void {
-  timeouts.forEach((to) => {
-    if (typeof to === "number") clearTimeout(to);
-    else clearTimeout(to);
-  });
+  timeouts.forEach((to) => clearTimeout(to));
+  timeouts.length = 0;
 }
 
 //https://stackoverflow.com/questions/273789/is-there-a-version-of-javascripts-string-indexof-that-allows-for-regular-expr