From bad110178ca6d94df9168ef0fb06f1132365e538 Mon Sep 17 00:00:00 2001
From: maizhikun <maizhikun@xunlei.com>
Date: Wed, 8 Jul 2020 10:26:29 +0800
Subject: [PATCH] hotfix/document-is-not-defiend-in-client

---
 lib/addStylesClient.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/addStylesClient.js b/lib/addStylesClient.js
index 920b00bb..c20cc59e 100644
--- a/lib/addStylesClient.js
+++ b/lib/addStylesClient.js
@@ -117,6 +117,9 @@ function createStyleElement () {
 
 function addStyle (obj /* StyleObjectPart */) {
   var update, remove
+  if (!hasDocument) {
+    return noop
+  }
   var styleElement = document.querySelector('style[' + ssrIdKey + '~="' + obj.id + '"]')
 
   if (styleElement) {