diff --git a/src/react.ts b/src/react.ts
index 7f529fb6..5f3fe1b7 100644
--- a/src/react.ts
+++ b/src/react.ts
@@ -17,7 +17,7 @@ const { useSyncExternalStore } = useSyncExternalStoreExports
 
 const useAffectedDebugValue = (
   state: object,
-  affected: WeakMap<object, unknown>
+  affected: WeakMap<object, unknown>,
 ) => {
   const pathList = useRef<(string | number | symbol)[][]>()
   useEffect(() => {
@@ -108,7 +108,7 @@ type Options = {
  */
 export function useSnapshot<T extends object>(
   proxyObject: T,
-  options?: Options
+  options?: Options,
 ): Snapshot<T> {
   const notifyInSync = options?.sync
   const lastSnapshot = useRef<Snapshot<T>>()
@@ -121,7 +121,7 @@ export function useSnapshot<T extends object>(
         callback() // Note: do we really need this?
         return unsub
       },
-      [proxyObject, notifyInSync]
+      [proxyObject, notifyInSync],
     ),
     () => {
       const nextSnapshot = snapshot(proxyObject)
@@ -134,7 +134,7 @@ export function useSnapshot<T extends object>(
             lastSnapshot.current,
             nextSnapshot,
             lastAffected.current,
-            new WeakMap()
+            new WeakMap(),
           )
         ) {
           // not changed
@@ -145,7 +145,7 @@ export function useSnapshot<T extends object>(
       }
       return nextSnapshot
     },
-    () => snapshot(proxyObject)
+    () => snapshot(proxyObject),
   )
   inRender = false
   const currAffected = new WeakMap()
@@ -162,6 +162,6 @@ export function useSnapshot<T extends object>(
     currSnapshot,
     currAffected,
     proxyCache,
-    targetCache
+    targetCache,
   )
 }
diff --git a/src/vanilla.ts b/src/vanilla.ts
index bff2b11f..2ff50cc9 100644
--- a/src/vanilla.ts
+++ b/src/vanilla.ts
@@ -82,7 +82,7 @@ const buildProxyFunction = (
 
   createSnapshot: CreateSnapshot = <T extends object>(
     target: T,
-    version: number
+    version: number,
   ): T => {
     const cache = snapCache.get(target)
     if (cache?.[0] === version) {
@@ -101,7 +101,7 @@ const buildProxyFunction = (
       const value = Reflect.get(target, key)
       const { enumerable } = Reflect.getOwnPropertyDescriptor(
         target,
-        key
+        key,
       ) as PropertyDescriptor
       const desc: PropertyDescriptor = {
         value,
@@ -114,7 +114,7 @@ const buildProxyFunction = (
         markToTrack(value as object, false) // mark not to track
       } else if (proxyStateMap.has(value as object)) {
         const [target, ensureVersion] = proxyStateMap.get(
-          value as object
+          value as object,
         ) as ProxyState
         desc.value = createSnapshot(target, ensureVersion()) as Snapshot<T>
       }
@@ -279,7 +279,7 @@ const buildProxyFunction = (
     Reflect.ownKeys(baseObject).forEach((key) => {
       const desc = Object.getOwnPropertyDescriptor(
         baseObject,
-        key
+        key,
       ) as PropertyDescriptor
       if ('value' in desc && desc.writable) {
         proxyObject[key as keyof T] = baseObject[key as keyof T]
@@ -287,7 +287,7 @@ const buildProxyFunction = (
     })
     initializing = false
     return proxyObject
-  }
+  },
 ) =>
   [
     // public functions
@@ -319,7 +319,7 @@ export function getVersion(proxyObject: unknown): number | undefined {
 export function subscribe<T extends object>(
   proxyObject: T,
   callback: (ops: Op[]) => void,
-  notifyInSync?: boolean
+  notifyInSync?: boolean,
 ): () => void {
   const proxyState = proxyStateMap.get(proxyObject as object)
   if (import.meta.env?.MODE !== 'production' && !proxyState) {
diff --git a/tests/async.test.tsx b/tests/async.test.tsx
index b7c39e07..47554f2c 100644
--- a/tests/async.test.tsx
+++ b/tests/async.test.tsx
@@ -35,7 +35,7 @@ it.skipIf(typeof use === 'undefined')('delayed increment', async () => {
       <Suspense fallback="loading">
         <Counter />
       </Suspense>
-    </StrictMode>
+    </StrictMode>,
   )
 
   await findByText('count: 0')
@@ -66,7 +66,7 @@ it.skipIf(typeof use === 'undefined')('delayed object', async () => {
       <Suspense fallback="loading">
         <Counter />
       </Suspense>
-    </StrictMode>
+    </StrictMode>,
   )
 
   await findByText('text: none')
@@ -84,7 +84,7 @@ it.skipIf(typeof use === 'undefined')(
     })
     const updateObject = () => {
       state.object = state.object.then((v: any) =>
-        sleep(300).then(() => ({ ...v, count: v.count + 1 }))
+        sleep(300).then(() => ({ ...v, count: v.count + 1 })),
       )
     }
 
@@ -104,7 +104,7 @@ it.skipIf(typeof use === 'undefined')(
         <Suspense fallback="loading">
           <Counter />
         </Suspense>
-      </StrictMode>
+      </StrictMode>,
     )
 
     await findByText('loading')
@@ -120,7 +120,7 @@ it.skipIf(typeof use === 'undefined')(
       getByText('text: counter')
       getByText('count: 1')
     })
-  }
+  },
 )
 
 it.skipIf(typeof use === 'undefined')('delayed falsy value', async () => {
@@ -144,7 +144,7 @@ it.skipIf(typeof use === 'undefined')('delayed falsy value', async () => {
       <Suspense fallback="loading">
         <Counter />
       </Suspense>
-    </StrictMode>
+    </StrictMode>,
   )
 
   await findByText('value: true')