fix. 불필요한 코드 정리

app/app.vue

@@ -132,16 +132,22 @@ if (import.meta.server) {
 }
 
 let rafId: number | null = null
-let stopWatch: (() => void) | null = null
 
 onMounted(() => {
   useEventListener('scroll', scrollStore.updateScrollValue, { passive: true })
-  stopWatch = watch(
+
+  const { gtag, initialize } = useGtag()
+  initialize(gaCode.value)
+  gtag('event', 'screen_view', {
+    app_name: 'My App',
+    screen_name: 'Home',
+  })
+
+  watch(
     scrollGnbPosition,
     newValue => {
-      if (rafId) {
-        cancelAnimationFrame(rafId)
-      }
+      if (rafId) cancelAnimationFrame(rafId)
+
       rafId = requestAnimationFrame(() => {
         document.documentElement.style.setProperty(
           '--scroll-stove-position',
@@ -152,27 +158,11 @@ onMounted(() => {
     },
     { immediate: true }
   )
-
-  const { gtag, initialize } = useGtag()
-  initialize(gaCode.value)
-  gtag('event', 'screen_view', {
-    app_name: 'My App',
-    screen_name: 'Home',
-  })
 })
 
 onBeforeUnmount(() => {
-  // watch 정리
-  if (stopWatch) {
-    stopWatch()
-    stopWatch = null
-  }
-
   // requestAnimationFrame 정리
-  if (rafId) {
-    cancelAnimationFrame(rafId)
-    rafId = null
-  }
+  if (rafId) cancelAnimationFrame(rafId)
 })
 </script>