update rollup and use different approach for #2

Author: dmonad

package-lock.json

@@ -64,7 +64,7 @@
   "devDependencies": {
     "@types/node": "^18.15.0",
     "@types/ws": "^8.5.10",
-    "rollup": "^3.19.1",
+    "rollup": "^4.39.0",
     "standard": "^17.1.2",
     "typescript": "^4.9.5",
     "yjs": "^13.5.0"

package.json

@@ -1,6 +1,6 @@
 export default [{
   input: ['./src/server.js', './src/utils.js', './src/callback.js'],
-  external: id => /^(lib0|yjs|y-protocols|ws|lodash\.debounce|http)/.test(id),
+  external: id => /^(lib0|yjs|y-protocols|ws|lodash\.debounce|http|y-leveldb)/.test(id),
   output: [{
     dir: 'dist',
     format: 'cjs',

rollup.config.mjs

@@ -7,6 +7,7 @@ import * as decoding from 'lib0/decoding'
 import * as map from 'lib0/map'
 
 import * as eventloop from 'lib0/eventloop'
+import { LeveldbPersistence } from 'y-leveldb'
 
 import { callbackHandler, isCallbackSet } from './callback.js'
 
@@ -30,7 +31,6 @@ let persistence = null
 if (typeof persistenceDir === 'string') {
   console.info('Persisting documents to "' + persistenceDir + '"')
   // @ts-ignore
-  const LeveldbPersistence = (await import('y-leveldb')).LeveldbPersistence
   const ldb = new LeveldbPersistence(persistenceDir)
   persistence = {
     provider: ldb,