From ab5590bafa1426fa6c65d633befc429bdb2b7a80 Mon Sep 17 00:00:00 2001
From: Alexey Pyltsyn <lex61rus@gmail.com>
Date: Tue, 28 Apr 2020 09:30:18 +0300
Subject: [PATCH] fix(v2): add default value for options in theme classic [ci
 skip] (#2688)

---
 packages/docusaurus-theme-classic/src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/docusaurus-theme-classic/src/index.js b/packages/docusaurus-theme-classic/src/index.js
index e3ea4090e7..7cce15b4c5 100644
--- a/packages/docusaurus-theme-classic/src/index.js
+++ b/packages/docusaurus-theme-classic/src/index.js
@@ -46,7 +46,7 @@ module.exports = function (context, options) {
     defaultDarkMode = false,
     prism: {additionalLanguages = []} = {},
   } = themeConfig || {};
-  const {customCss} = options;
+  const {customCss} = options || {};
 
   return {
     name: 'docusaurus-theme-classic',