perf: add __NO_SIDE_EFFECTS__ comments (#9053)

Co-authored-by: Haoqun Jiang <haoqunjiang@gmail.com>
vuejs · Mar 13, 2024 · d46df6b · d46df6b
1 parent a148b87
commit d46df6b
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git 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
@@ -17,7 +17,7 @@ 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/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,