diff --git a/examples/vanilla-base/src/counter.ts b/examples/vanilla-base/src/counter.ts
index 90ff14f..01bac4e 100644
--- a/examples/vanilla-base/src/counter.ts
+++ b/examples/vanilla-base/src/counter.ts
@@ -1,27 +1,4 @@
-import { create } from 'coaction';
-import { logger } from '@coaction/logger';
-
-import { counter, type Counter } from './store';
-
-const worker = new SharedWorker(new URL('./worker.ts', import.meta.url), {
-  type: 'module'
-});
-
-export const useWorkerStore = create<{
-  counter: Counter;
-}>(
-  {
-    counter
-  },
-  {
-    worker,
-    middlewares: [
-      logger({
-        collapsed: false
-      })
-    ]
-  }
-);
+import { useWorkerStore } from './store';
 
 export function setupCounter(element: HTMLButtonElement) {
   useWorkerStore.subscribe(() => {
diff --git a/examples/vanilla-base/src/store.ts b/examples/vanilla-base/src/store.ts
index 716d745..95a94ef 100644
--- a/examples/vanilla-base/src/store.ts
+++ b/examples/vanilla-base/src/store.ts
@@ -1,4 +1,5 @@
-import type { Slices } from 'coaction';
+import logger from '@coaction/logger';
+import { create, type Slices, AsyncStore, SliceState } from 'coaction';
 
 export type Counter = Slices<
   {
@@ -10,11 +11,32 @@ export type Counter = Slices<
   'counter'
 >;
 
-export const counter: Counter = (set) => ({
-  count: 0,
-  increment() {
-    set((draft) => {
-      draft.counter.count += 1;
-    });
+const worker = globalThis.SharedWorker
+  ? new SharedWorker(new URL('./store.ts', import.meta.url), {
+      type: 'module'
+    })
+  : undefined;
+
+const store = create<{
+  counter: Counter;
+}>(
+  {
+    counter: (set) => ({
+      count: 0,
+      increment() {
+        set((draft) => {
+          draft.counter.count += 1;
+        });
+      }
+    })
+  },
+  {
+    ...(worker ? { worker } : {}),
+    middlewares: [logger({ collapsed: false })]
   }
-});
+);
+
+export const useWorkerStore = store as AsyncStore<
+  SliceState<{ counter: Counter }>,
+  true
+>;
diff --git a/examples/vanilla-base/src/worker.ts b/examples/vanilla-base/src/worker.ts
deleted file mode 100644
index 09ab71b..0000000
--- a/examples/vanilla-base/src/worker.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import { create } from 'coaction';
-import { logger } from '@coaction/logger';
-import { type Counter, counter } from './store';
-
-const store = create<{
-  counter: Counter;
-}>(
-  {
-    counter
-  },
-  {
-    middlewares: [logger({ collapsed: false })]
-  }
-);