From 1f42981fd4a01132a7e36f268739eba45513f3c9 Mon Sep 17 00:00:00 2001
From: yuantao <user@example.com>
Date: Tue, 28 Oct 2025 11:52:58 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=EF=BC=9Avite=E7=BC=96?=
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---
 vite.config.js | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/vite.config.js b/vite.config.js
index 6f2d032..3eb7ab5 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -1,14 +1,26 @@
 import { defineConfig } from 'vite'
 import uni from '@dcloudio/vite-plugin-uni'
 import { resolve } from 'path'
-import { readFileSync, writeFileSync } from 'fs'
+import { readFileSync, writeFileSync, existsSync, unlinkSync } from 'fs'
 import dotenv from 'dotenv'
 
 // 自定义插件：替换 manifest.json 中的 appid
+// 仅在通过HBuilder首次编译时执行，避免热重载时重复执行导致内存占用高
 function replaceManifestAppid() {
   return {
     name: 'replace-manifest-appid',
     buildStart() {
+      // 检查是否通过HBuilder编译
+      // 检查是否已经执行过插件
+      const manifestUpdatedFlag = resolve(__dirname, '.manifest-updated')
+      const isFirstCompile = !existsSync(manifestUpdatedFlag)
+
+      // 仅首次编译时执行
+      if (!isFirstCompile) {
+        console.log('跳过 manifest appid 更新（已执行过首次编译）')
+        return
+      }
+
       // 获取环境变量，明确指定路径为项目根目录
       dotenv.config({ path: resolve(__dirname, '.env') })
       const appid = process.env.VITE_APPID
@@ -18,19 +30,19 @@ function replaceManifestAppid() {
         // 读取 manifest.json 文件
         const manifestPath = resolve(__dirname, 'manifest.json')
         let manifestContent = readFileSync(manifestPath, 'utf-8')
-
         // 解析 JSON
         const manifest = JSON.parse(manifestContent)
-
         // 替换
         manifest.appid = uni_appId
+
         if (manifest['mp-weixin']) {
           manifest['mp-weixin'].appid = appid
         }
 
         // 写回文件
         writeFileSync(manifestPath, JSON.stringify(manifest, null, 4))
-
+        // 创建标记文件，表示已执行过插件
+        writeFileSync(manifestUpdatedFlag, 'Manifest updated by HBuilder first compile')
         console.log(`Manifest appid 已更新为: ${uni_appId}`)
         console.log(`Manifest mp-weixin appid 已更新为: ${appid}`)
       } else {
@@ -40,8 +52,17 @@ function replaceManifestAppid() {
   }
 }
 
+// 检查是否通过HBuilder编译，决定是否启用插件
+const manifestUpdatedFlag = resolve(__dirname, '.manifest-updated')
+
+if (existsSync(manifestUpdatedFlag)) {
+  unlinkSync(manifestUpdatedFlag)
+  console.log('已清理 manifest 更新标记文件')
+}
+
+const plugins = manifestUpdatedFlag ? [replaceManifestAppid(), uni()] : [uni()]
 export default defineConfig({
-  plugins: [replaceManifestAppid(), uni()],
+  plugins,
   resolve: {
     alias: {
       '@': '/src',