chore: replace () => {} with NOOP

Author: Alfred-Skyblue

packages/compiler-core/src/transform.ts

@@ -255,7 +255,7 @@ export function createTransformContext(
       }
       context.parent!.children.splice(removalIndex, 1)
     },
-    onNodeRemoved: () => {},
+    onNodeRemoved: NOOP,
     addIdentifiers(exp) {
       // identifier tracking only happens in non-browser builds.
       if (!__BROWSER__) {

packages/runtime-core/src/compat/global.ts

@@ -461,7 +461,7 @@ function installCompatMount(
 
     const hasNoRender =
       !isFunction(component) && !component.render && !component.template
-    const emptyRender = () => {}
+    const emptyRender = NOOP
 
     // create root instance
     const instance = createComponentInstance(vnode, null, null)