fix searching

packages/next/server/db.ts

@@ -58,9 +58,9 @@ export let db: Loki
 
 export let dbPost: Collection<IPost>
 
-export let idx: lunr.Index
+let idx: lunr.Index
 
-export async function initLunr () {
+export async function getLunr () {
   return idx || lunr.Index.load(require('../build/idx.json'))
 }
 

packages/next/server/index.ts

@@ -1,4 +1,4 @@
-import { dbPost, idx, initDatabase, initLunr } from './db'
+import { dbPost, getLunr, initDatabase } from './db'
 
 export async function doSearch ({
   q,
@@ -10,7 +10,7 @@ export async function doSearch ({
   page?: number
 }) {
   await initDatabase()
-  await initLunr()
+  const idx = await getLunr()
 
   const perPage = 5
   const offset = (page - 1) * perPage