fix: Cannot load unregistered function: stemmer-ru

fixes #8830

Author: yufeih

samples/seed/template/public/main.js

@@ -13,7 +13,9 @@ export default {
       title: 'Twitter'
     }
   ],
+  lunrLanguages: ['en', 'ru'],
   configureHljs: function (hljs) {
     hljs.registerLanguage('bicep', bicep);
   },
 }
+

templates/modern/src/search-worker.ts

@@ -26,13 +26,6 @@ async function loadIndexCore() {
   const data = await res.json() as { [key: string]: SearchHit }
   const cache = createStore('docfx', 'lunr')
 
-  if (etag) {
-    const value = JSON.parse(await get('index', cache) || '{}')
-    if (value && value.etag === etag) {
-      return { index: lunr.Index.load(value), data }
-    }
-  }
-
   const { lunrLanguages, configureLunr } = await import('./main.js').then(m => m.default) as DocfxOptions
 
   if (lunrLanguages && lunrLanguages.length > 0) {
@@ -41,6 +34,13 @@ async function loadIndexCore() {
     await Promise.all(lunrLanguages.map(initLanguage))
   }
 
+  if (etag) {
+    const value = JSON.parse(await get('index', cache) || '{}')
+    if (value && value.etag === etag) {
+      return { index: lunr.Index.load(value), data }
+    }
+  }
+
   const index = lunr(function() {
     lunr.tokenizer.separator = /[\s\-.()]+/