From b47f3f499b5578b01eaa1adc1c5e72da5fc17c28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Mon, 13 Apr 2020 22:33:43 +0200
Subject: [PATCH] fix bug

---
 packages/extension-history/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/extension-history/index.ts b/packages/extension-history/index.ts
index 13b8e732..57366277 100644
--- a/packages/extension-history/index.ts
+++ b/packages/extension-history/index.ts
@@ -22,7 +22,7 @@ export default class History extends Extension {
 
   name = 'history'
   
-  constructor(options: HistoryOptions) {
+  constructor(options?: HistoryOptions) {
     super(options)
   }