From 8ca9f68ca0e9fecfddf4317c6919ea0428da10ac Mon Sep 17 00:00:00 2001
From: chen fan <1490040662@qq.com>
Date: Tue, 5 Sep 2023 09:10:10 +0800
Subject: [PATCH] perf: add __NO_SIDE_EFFECTS__ comment

---
 packages/reactivity/src/collectionHandlers.ts          | 1 +
 packages/runtime-core/src/devtools.ts                  | 1 +
 packages/server-renderer/src/helpers/ssrRenderAttrs.ts | 2 +-
 packages/shared/src/general.ts                         | 1 +
 packages/shared/src/makeMap.ts                         | 2 ++
 5 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/reactivity/src/collectionHandlers.ts b/packages/reactivity/src/collectionHandlers.ts
index 1d07af3be8c..a96cf0db8a9 100644
--- a/packages/reactivity/src/collectionHandlers.ts
+++ b/packages/reactivity/src/collectionHandlers.ts
@@ -331,6 +331,7 @@ const [
   shallowReadonlyInstrumentations
 ] = /* #__PURE__*/ createInstrumentations()
 
+/*! #__NO_SIDE_EFFECTS__ */
 function createInstrumentationGetter(isReadonly: boolean, shallow: boolean) {
   const instrumentations = shallow
     ? isReadonly
diff --git a/packages/runtime-core/src/devtools.ts b/packages/runtime-core/src/devtools.ts
index bf67093f5c3..ba8c40fe012 100644
--- a/packages/runtime-core/src/devtools.ts
+++ b/packages/runtime-core/src/devtools.ts
@@ -123,6 +123,7 @@ export const devtoolsComponentRemoved = (
   }
 }
 
+/*! #__NO_SIDE_EFFECTS__ */
 function createDevtoolsComponentHook(hook: DevtoolsHooks) {
   return (component: ComponentInternalInstance) => {
     emit(
diff --git a/packages/server-renderer/src/helpers/ssrRenderAttrs.ts b/packages/server-renderer/src/helpers/ssrRenderAttrs.ts
index 6bbf83a1eaa..c93efa13608 100644
--- a/packages/server-renderer/src/helpers/ssrRenderAttrs.ts
+++ b/packages/server-renderer/src/helpers/ssrRenderAttrs.ts
@@ -12,7 +12,7 @@ import {
 } from '@vue/shared'
 
 // leading comma for empty string ""
-const shouldIgnoreProp = makeMap(
+const shouldIgnoreProp = /*#__PURE__*/ makeMap(
   `,key,ref,innerHTML,textContent,ref_key,ref_for`
 )
 
diff --git a/packages/shared/src/general.ts b/packages/shared/src/general.ts
index 0117e67000d..0163473312e 100644
--- a/packages/shared/src/general.ts
+++ b/packages/shared/src/general.ts
@@ -17,6 +17,7 @@ export const isOn = (key: string) => onRE.test(key)
 
 export const isModelListener = (key: string) => key.startsWith('onUpdate:')
 
+/*! #__NO_SIDE_EFFECTS__ */
 export const extend = Object.assign
 
 export const remove = <T>(arr: T[], el: T) => {
diff --git a/packages/shared/src/makeMap.ts b/packages/shared/src/makeMap.ts
index b598704c673..e49b1bf3d36 100644
--- a/packages/shared/src/makeMap.ts
+++ b/packages/shared/src/makeMap.ts
@@ -5,6 +5,8 @@
  * \/\*#\_\_PURE\_\_\*\/
  * So that rollup can tree-shake them if necessary.
  */
+
+/*! #__NO_SIDE_EFFECTS__ */
 export function makeMap(
   str: string,
   expectsLowerCase?: boolean