From 39fdfff514d46cb70b7ba60cde303a5826749d29 Mon Sep 17 00:00:00 2001
From: Nikita Barinov <nikitabarinov2301@gmail.com>
Date: Tue, 4 Aug 2026 12:43:52 +0400
Subject: [PATCH 1/2] fix(test): make custom toast dismiss test actually verify
 dismissal

---
 test/src/app/page.tsx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/src/app/page.tsx b/test/src/app/page.tsx
index 975268b..28eed2e 100644
--- a/test/src/app/page.tsx
+++ b/test/src/app/page.tsx
@@ -148,6 +148,7 @@ export default function Home({ searchParams }: any) {
             ),
             {
               id: undefined,
+              duration: Infinity,
             },
           )
         }

From ff3e94ac208da45ce8a7c615ec351a127aaa5208 Mon Sep 17 00:00:00 2001
From: Nikita Barinov <nikitabarinov2301@gmail.com>
Date: Tue, 4 Aug 2026 12:49:11 +0400
Subject: [PATCH 2/2] feat: expose toast.subscribe for toast lifecycle events

---
 src/state.ts             |  2 +-
 test/src/app/page.tsx    | 16 ++++++++++++++++
 test/tests/basic.spec.ts | 12 ++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/state.ts b/src/state.ts
index 29d70b8..b1bd917 100644
--- a/src/state.ts
+++ b/src/state.ts
@@ -360,5 +360,5 @@ export const toast = Object.assign(
     dismiss: ToastState.dismiss,
     loading: ToastState.loading,
   },
-  { getHistory, getToasts },
+  { getHistory, getToasts, subscribe: ToastState.subscribe },
 );
diff --git a/test/src/app/page.tsx b/test/src/app/page.tsx
index 28eed2e..edd3277 100644
--- a/test/src/app/page.tsx
+++ b/test/src/app/page.tsx
@@ -23,6 +23,20 @@ export default function Home({ searchParams }: any) {
   const [isFinally, setIsFinally] = React.useState(false);
   const [showAriaLabels, setShowAriaLabels] = React.useState(false);
   const [historySize, setHistorySize] = React.useState<number | null>(null);
+  const [subscribeEvents, setSubscribeEvents] = React.useState(0);
+  const [subscribeDismissed, setSubscribeDismissed] = React.useState(0);
+  const dismissedIds = React.useRef(new Set<string | number>());
+
+  React.useEffect(() => {
+    return toast.subscribe((t) => {
+      setSubscribeEvents((count) => count + 1);
+
+      if ('dismiss' in t && t.dismiss) {
+        dismissedIds.current.add(t.id);
+        setSubscribeDismissed(dismissedIds.current.size);
+      }
+    });
+  }, []);
 
   return (
     <>
@@ -33,6 +47,8 @@ export default function Home({ searchParams }: any) {
       <button data-testid="default-button" className="button" onClick={() => toast('My Toast')}>
         Render Toast
       </button>
+      <span data-testid="subscribe-events">{subscribeEvents}</span>
+      <span data-testid="subscribe-dismissed">{subscribeDismissed}</span>
       <button data-testid="default-button-top" className="button" onClick={() => toast('My Toast')}>
         Render Toast Top
       </button>
diff --git a/test/tests/basic.spec.ts b/test/tests/basic.spec.ts
index 5b93a48..226af1b 100644
--- a/test/tests/basic.spec.ts
+++ b/test/tests/basic.spec.ts
@@ -473,4 +473,16 @@ test.describe('Basic functionality', () => {
 
     await expect(toast).toHaveCount(0);
   });
+
+  test('toast.subscribe notifies about lifecycle events', async ({ page }) => {
+    await expect(page.getByTestId('subscribe-events')).toHaveText('0');
+
+    await page.getByTestId('close-button').click();
+    await expect(page.getByTestId('subscribe-events')).toHaveText('1');
+    await expect(page.getByTestId('subscribe-dismissed')).toHaveText('0');
+
+    await page.locator('[data-sonner-toast]').hover();
+    await page.getByLabel('Close toast').click();
+    await expect(page.getByTestId('subscribe-dismissed')).toHaveText('1');
+  });
 });