use nitro server assets to load database in server plugin

Author: jonian

src/module.js

@@ -58,8 +58,7 @@ export default defineNuxtModule({
     const dbHash = isDev ? 'content' : await database.toHash()
     const dbName = `db-${dbHash}.json`
     const dbUrl  = joinURL(baseURL, dbFolder, dbName)
-    const dbPath = resolve(baseDir, dbFolder, dbName)
-    const config = { dbPath, dbUrl }
+    const config = { dbName, dbUrl }
 
     addPlugin(resolve(runtimeDir, 'plugins', 'db.server'))
     addPlugin(resolve(runtimeDir, 'plugins', 'db.client'))
@@ -96,6 +95,12 @@ export default defineNuxtModule({
     nuxt.hook('nitro:config', async nitroConfig => {
       nitroConfig.publicAssets ||= []
       nitroConfig.publicAssets.push({ dir: baseDir })
+
+      nitroConfig.serverAssets ||= []
+      nitroConfig.serverAssets.push({
+        baseName: 'nuxt-db',
+        dir: buildDir
+      })
     })
 
     nuxt.hook('close', async () => {

src/runtime/plugins/db.server.js

@@ -1,6 +1,6 @@
-import { readFile } from 'fs/promises'
+import { useStorage } from 'nitropack/runtime/storage'
 import { defineNuxtPlugin } from '#app'
-import { dbPath, dbDirs } from '#build/nuxtdb-options'
+import { dbName, dbDirs } from '#build/nuxtdb-options'
 import { useDB } from '#imports'
 
 export default defineNuxtPlugin(async nuxtApp => {
@@ -10,7 +10,8 @@ export default defineNuxtPlugin(async nuxtApp => {
     async fetch() {
       this.fetchAt = Date.now()
       try {
-        return JSON.parse(await readFile(dbPath, 'utf8'))
+        const storage = useStorage('assets:nuxt-db')
+        return await storage.getItem(dbName)
       } catch (e) {
         console.error(e)
         return []