Merge pull request #1 from hackmdio/fix/esmodule-import-issue

fix: remove ext to fix import issue

Author: stanley2058

src/y-socket-io/y-socket-io.js

@@ -3,7 +3,7 @@ import * as AwarenessProtocol from 'y-protocols/awareness'
 import * as promise from 'lib0/promise'
 import * as encoding from 'lib0/encoding'
 import * as decoding from 'lib0/decoding'
-import { assert } from 'lib0/testing.js'
+import { assert } from 'lib0/testing'
 import { User } from './user.js'
 import * as api from '../api.js'
 import * as protocol from '../protocol.js'