refactor(localSearch): cleanup redundant code

src/node/plugins/localSearchPlugin.ts

@@ -89,11 +89,6 @@ export async function localSearchPlugin(
     return siteData?.localeIndex ?? 'root'
   }
 
-  function getIndexForPath(file: string) {
-    const locale = getLocaleForPath(file)
-    return getIndexByLocale(locale)
-  }
-
   let server: ViteDevServer | undefined
 
   function onIndexUpdated() {
@@ -216,27 +211,8 @@ export async function localSearchPlugin(
 
     async handleHotUpdate({ file }) {
       if (file.endsWith('.md')) {
-        const fileId = getDocId(file)
-        if (!fs.existsSync(file)) return
-        const index = getIndexForPath(file)
-        const html = await render(file)
-        const sections =
-          (await options.miniSearch?.splitIntoSections?.(file, html)) ??
-          splitPageIntoSections(html)
-        for await (const section of sections) {
-          const id = `${fileId}#${section.anchor}`
-          if (index.has(id)) {
-            index.discard(id)
-          }
-          index.add({
-            id,
-            text: section.text,
-            title: section.titles.at(-1)!,
-            titles: section.titles.slice(0, -1)
-          })
-        }
+        await indexFile(file)
         debug('🔍️ Updated', file)
-
         onIndexUpdated()
       }
     }