fix(overlays): tear down animations after dismiss

core/src/components/modal/modal.tsx

@@ -10,7 +10,6 @@ import { Style as StatusBarStyle, StatusBar } from '@utils/native/status-bar';
 import {
   GESTURE,
   BACKDROP,
-  activeAnimations,
   dismiss,
   eventMethod,
   prepareOverlay,
@@ -705,8 +704,6 @@ export class Modal implements ComponentInterface, OverlayInterface {
       this.keyboardOpenCallback = undefined;
     }
 
-    const enteringAnimation = activeAnimations.get(this) || [];
-
     const dismissed = await dismiss<ModalDismissOptions>(
       this,
       data,
@@ -733,8 +730,6 @@ export class Modal implements ComponentInterface, OverlayInterface {
       if (this.gesture) {
         this.gesture.destroy();
       }
-
-      enteringAnimation.forEach((ani) => ani.destroy());
     }
     this.currentBreakpoint = undefined;
     this.animation = undefined;

core/src/components/modal/test/animations/modal.e2e.ts

@@ -0,0 +1,45 @@
+import { expect } from '@playwright/test';
+import { configs, test } from '@utils/test/playwright';
+
+configs({ modes: ['ios'], directions: ['ltr'] }).forEach(({ config, title }) => {
+  test.describe(title('modal: animations'), () => {
+    test.beforeEach(async ({ page }) => {
+      await page.setContent(
+        `
+        <ion-modal is-open="true" trigger="open-modal"></ion-modal>
+      `,
+        config
+      );
+    });
+    test('card modal should clean up animations on dismiss', async ({ page }, testInfo) => {
+      testInfo.annotations.push({
+        type: 'issue',
+        description: 'https://github.com/ionic-team/ionic-framework/issues/28352',
+      });
+
+      const ionModalDidDismiss = await page.spyOnEvent('ionModalDidDismiss');
+
+      const modal = page.locator('ion-modal');
+
+      const initialAnimations = await modal.evaluate((el: HTMLIonModalElement) => {
+        return el.shadowRoot!.getAnimations();
+      });
+
+      // While the modal is open, it should have animations
+      expect(initialAnimations.length).toBeGreaterThan(0);
+
+      await modal.evaluate((el: HTMLIonModalElement) => {
+        el.dismiss();
+      });
+
+      await ionModalDidDismiss.next();
+
+      const currentAnimations = await modal.evaluate((el: HTMLIonModalElement) => {
+        return el.shadowRoot!.getAnimations();
+      });
+
+      // Once the modal has finished closing, there should be no animations
+      expect(currentAnimations.length).toBe(0);
+    });
+  });
+});

core/src/utils/overlays.ts

@@ -577,6 +577,12 @@ export const dismiss = async <OverlayDismissOptions>(
     overlay.didDismiss.emit({ data, role });
     overlay.didDismissShorthand?.emit({ data, role });
 
+    // Get a reference to all animations currently assigned to this overlay
+    // Then tear them down to return the overlay to its initial visual state
+    const animations = activeAnimations.get(overlay) || [];
+
+    animations.forEach((ani) => ani.destroy());
+
     activeAnimations.delete(overlay);
 
     /**