From 692cf5ad984a2607a4cee0b5cda56e8ccd7b18f3 Mon Sep 17 00:00:00 2001
From: fxy060608 <fxy060608@gmail.com>
Date: Wed, 9 Feb 2022 18:16:16 +0800
Subject: [PATCH] feat: tree-shaking with bitwise operation

---
 packages/uni-shared/src/lifecycle.ts   | 12 +++++++-----
 packages/uni-shared/src/vdom/encode.ts | 24 ++++++++++++++----------
 2 files changed, 21 insertions(+), 15 deletions(-)

diff --git a/packages/uni-shared/src/lifecycle.ts b/packages/uni-shared/src/lifecycle.ts
index 73b4c1cbc..289c382d9 100644
--- a/packages/uni-shared/src/lifecycle.ts
+++ b/packages/uni-shared/src/lifecycle.ts
@@ -76,8 +76,10 @@ export const UniLifecycleHooks = [
   ON_NAVIGATION_BAR_SEARCH_INPUT_FOCUS_CHANGED,
 ] as const
 
-export const MINI_PROGRAM_PAGE_RUNTIME_HOOKS = {
-  onPageScroll: 1,
-  onShareAppMessage: 1 << 1,
-  onShareTimeline: 1 << 2,
-} as const
+export const MINI_PROGRAM_PAGE_RUNTIME_HOOKS = /*#__PURE__*/ (() => {
+  return {
+    onPageScroll: 1,
+    onShareAppMessage: 1 << 1,
+    onShareTimeline: 1 << 2,
+  } as const
+})()
diff --git a/packages/uni-shared/src/vdom/encode.ts b/packages/uni-shared/src/vdom/encode.ts
index 5c7d8bbd6..6e465a58f 100644
--- a/packages/uni-shared/src/vdom/encode.ts
+++ b/packages/uni-shared/src/vdom/encode.ts
@@ -1,8 +1,10 @@
-export const EventOptionFlags = {
-  capture: 1,
-  once: 1 << 1,
-  passive: 1 << 2,
-}
+export const EventOptionFlags = /*#__PURE__*/ (() => {
+  return {
+    capture: 1,
+    once: 1 << 1,
+    passive: 1 << 2,
+  }
+})()
 
 export function encodeOptions(options?: AddEventListenerOptions) {
   let flag = 0
@@ -20,11 +22,13 @@ export function encodeOptions(options?: AddEventListenerOptions) {
   return flag
 }
 
-export const EventModifierFlags = {
-  stop: 1,
-  prevent: 1 << 1,
-  self: 1 << 2,
-}
+export const EventModifierFlags = /*#__PURE__*/ (() => {
+  return {
+    stop: 1,
+    prevent: 1 << 1,
+    self: 1 << 2,
+  }
+})()
 
 export function encodeModifier(modifiers: string[]) {
   let flag = 0
-- 
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