From b8df098e35cdc98939d07c7be9279cf68389f63f Mon Sep 17 00:00:00 2001
From: Joshua Cain <jcain82@gmail.com>
Date: Wed, 29 Jul 2026 14:21:33 -0400
Subject: [PATCH] AAE-49328 Form console errors (#12108)

* fix: form console errors

* fix: copilot feedback
---
 .../idle-activity-tracker.spec.ts             | 42 +++++++++++++------
 .../session-timeout/idle-activity-tracker.ts  | 14 +++++--
 2 files changed, 40 insertions(+), 16 deletions(-)

diff --git a/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.spec.ts b/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.spec.ts
index 62542fb1fe..d2c6e93c09 100644
--- a/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.spec.ts
+++ b/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.spec.ts
@@ -18,7 +18,7 @@
 import { DOCUMENT } from '@angular/common';
 import { NgZone } from '@angular/core';
 import { fakeAsync, TestBed, tick } from '@angular/core/testing';
-import { ACTIVITY_THROTTLE_MS, IdleActivityTracker } from './idle-activity-tracker';
+import { ACTIVITY_EVENTS, ACTIVITY_THROTTLE_MS, IdleActivityTracker } from './idle-activity-tracker';
 
 describe('IdleActivityTracker', () => {
     let tracker: IdleActivityTracker;
@@ -83,20 +83,36 @@ describe('IdleActivityTracker', () => {
         expect(spy).toHaveBeenCalledTimes(1);
     });
 
-    it('should allow a later listener to prevent default when an activity event fires', () => {
-        const preventDefault = jasmine.createSpy('preventDefault').and.callFake((event: Event) => event.preventDefault());
+    [
+        { phase: 'bubbling', listenerOptions: { capture: false, passive: false } },
+        { phase: 'capturing', listenerOptions: { capture: true, passive: false } }
+    ].forEach(({ phase, listenerOptions }) => {
+        it(`should allow a later active ${phase} listener to prevent default when an activity event fires`, () => {
+            const preventDefault = jasmine.createSpy('preventDefault').and.callFake((event: Event) => event.preventDefault());
+            tracker.start();
+            doc.addEventListener('mousemove', preventDefault, listenerOptions);
+
+            try {
+                const event = new MouseEvent('mousemove', { cancelable: true });
+                doc.dispatchEvent(event);
+
+                expect(preventDefault).toHaveBeenCalledTimes(1);
+                expect(event.defaultPrevented).toBeTrue();
+            } finally {
+                doc.removeEventListener('mousemove', preventDefault, listenerOptions);
+            }
+        });
+    });
+
+    it('should keep scroll-sensitive activity listeners passive when tracking starts', () => {
+        const addEventListener = spyOn(doc, 'addEventListener').and.callThrough();
+
         tracker.start();
-        doc.addEventListener('mousemove', preventDefault);
 
-        try {
-            const event = new MouseEvent('mousemove', { cancelable: true });
-            doc.dispatchEvent(event);
-
-            expect(preventDefault).toHaveBeenCalledTimes(1);
-            expect(event.defaultPrevented).toBeTrue();
-        } finally {
-            doc.removeEventListener('mousemove', preventDefault);
-        }
+        expect(addEventListener).toHaveBeenCalledTimes(ACTIVITY_EVENTS.length + 1);
+        expect(addEventListener).toHaveBeenCalledWith('mousemove', jasmine.any(Function), { capture: true, passive: false });
+        expect(addEventListener).toHaveBeenCalledWith('touchstart', jasmine.any(Function), { capture: true, passive: true });
+        expect(addEventListener).toHaveBeenCalledWith('wheel', jasmine.any(Function), { capture: true, passive: true });
     });
 
     it('is a no-op when stop() is called without a prior start()', () => {
diff --git a/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.ts b/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.ts
index 8fcff0f25d..cc957b5277 100644
--- a/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.ts
+++ b/lib/core/src/lib/auth/session-timeout/idle-activity-tracker.ts
@@ -25,7 +25,11 @@ export const ACTIVITY_EVENTS = ['click', 'keydown', 'mousedown', 'mousemove', 'p
 /** High-frequency activity events (e.g. mousemove, scroll) are throttled to avoid rescheduling the idle timer on every DOM event. */
 export const ACTIVITY_THROTTLE_MS = 1000;
 
-const ACTIVITY_LISTENER_OPTIONS: AddEventListenerOptions = { capture: true, passive: true };
+const ACTIVE_ACTIVITY_LISTENER_OPTIONS: AddEventListenerOptions = { capture: true, passive: false };
+const PASSIVE_ACTIVITY_LISTENER_OPTIONS: AddEventListenerOptions = { capture: true, passive: true };
+
+const getActivityListenerOptions = (eventName: (typeof ACTIVITY_EVENTS)[number]): AddEventListenerOptions =>
+    eventName === 'mousemove' ? ACTIVE_ACTIVITY_LISTENER_OPTIONS : PASSIVE_ACTIVITY_LISTENER_OPTIONS;
 
 @Injectable()
 export class IdleActivityTracker implements OnDestroy {
@@ -46,7 +50,9 @@ export class IdleActivityTracker implements OnDestroy {
         }
 
         this.ngZone.runOutsideAngular(() => {
-            ACTIVITY_EVENTS.forEach((eventName) => this.document.addEventListener(eventName, this.handleActivity, ACTIVITY_LISTENER_OPTIONS));
+            ACTIVITY_EVENTS.forEach((eventName) =>
+                this.document.addEventListener(eventName, this.handleActivity, getActivityListenerOptions(eventName))
+            );
             this.document.addEventListener('visibilitychange', this.handleVisibilityChange);
         });
         this.isRegistered = true;
@@ -57,7 +63,9 @@ export class IdleActivityTracker implements OnDestroy {
             return;
         }
 
-        ACTIVITY_EVENTS.forEach((eventName) => this.document.removeEventListener(eventName, this.handleActivity, ACTIVITY_LISTENER_OPTIONS));
+        ACTIVITY_EVENTS.forEach((eventName) =>
+            this.document.removeEventListener(eventName, this.handleActivity, getActivityListenerOptions(eventName))
+        );
         this.document.removeEventListener('visibilitychange', this.handleVisibilityChange);
         this.isRegistered = false;
     }