feat(algolia): implement global client initialization and reuse

- Add global Algolia client and index initialization
- Initialize client once and reuse across functions
- Remove redundant client initialization in individual functions
- Add configuration validation during initialization

lib/plugins/algolia.js

@@ -2,6 +2,31 @@ import BLOG from '@/blog.config'
 import { getPageContentText } from '@/pages/search/[keyword]'
 import algoliasearch from 'algoliasearch'
 
+// 全局初始化 Algolia 客户端和索引
+let algoliaClient
+let algoliaIndex
+
+const initAlgolia = () => {
+  if (!algoliaClient) {
+    if (
+      !BLOG.ALGOLIA_APP_ID ||
+      !BLOG.ALGOLIA_ADMIN_APP_KEY ||
+      !BLOG.ALGOLIA_INDEX
+    ) {
+      throw new Error('Algolia configuration is missing')
+    }
+    algoliaClient = algoliasearch(
+      BLOG.ALGOLIA_APP_ID,
+      BLOG.ALGOLIA_ADMIN_APP_KEY
+    )
+    algoliaIndex = algoliaClient.initIndex(BLOG.ALGOLIA_INDEX)
+  }
+  return { client: algoliaClient, index: algoliaIndex }
+}
+
+// 初始化全局实例
+initAlgolia()
+
 /**
  * 生成全文索引
  * @param {*} allPages
@@ -15,7 +40,6 @@ const generateAlgoliaSearch = ({ allPages, force = false }) => {
   })
 }
 
-
 /**
  * 检查数据是否需要从algolia删除
  * @param {*} props
@@ -37,12 +61,6 @@ export const checkDataFromAlgolia = async props => {
  * @param post
  */
 const deletePostDataFromAlgolia = async post => {
-  // Connect and authenticate with your Algolia app
-  const client = algoliasearch(BLOG.ALGOLIA_APP_ID, BLOG.ALGOLIA_ADMIN_APP_KEY)
-
-  // Create a new index and add a record
-  const index = client.initIndex(BLOG.ALGOLIA_INDEX)
-
   if (!post) {
     return
   }
@@ -50,13 +68,13 @@ const deletePostDataFromAlgolia = async post => {
   // 检查是否有索引
   let existed
   try {
-    existed = await index.getObject(post.id)
+    existed = await algoliaIndex.getObject(post.id)
   } catch (error) {
     // 通常是不存在索引
   }
 
   if (existed) {
-    await index
+    await algoliaIndex
       .deleteObject(post.id)
       .wait()
       .then(r => {
@@ -73,12 +91,6 @@ const deletePostDataFromAlgolia = async post => {
  * 根据上次修改文章日期和上次更新索引数据判断是否需要更新algolia索引
  */
 const uploadDataToAlgolia = async post => {
-  // Connect and authenticate with your Algolia app
-  const client = algoliasearch(BLOG.ALGOLIA_APP_ID, BLOG.ALGOLIA_ADMIN_APP_KEY)
-
-  // Create a new index and add a record
-  const index = client.initIndex(BLOG.ALGOLIA_INDEX)
-
   if (!post) {
     return
   }
@@ -87,7 +99,7 @@ const uploadDataToAlgolia = async post => {
   let existed
   let needUpdateIndex = false
   try {
-    existed = await index.getObject(post.id)
+    existed = await algoliaIndex.getObject(post.id)
   } catch (error) {
     // 通常是不存在索引
   }
@@ -117,7 +129,7 @@ const uploadDataToAlgolia = async post => {
       content: truncate(getPageContentText(post, post.blockMap), 8192) // 索引8192个字符，API限制总请求内容上限1万个字节
     }
     // console.log('更新Algolia索引', record)
-    index
+    algoliaIndex
       .saveObject(record)
       .wait()
       .then(r => {