From d30e078b3c886bc2940fbe9ede41e42f9cba5bd3 Mon Sep 17 00:00:00 2001
From: ULIVZ <472590061@qq.com>
Date: Tue, 4 Jun 2019 03:34:54 +0800
Subject: [PATCH] fix($core): window is not defined

---
 packages/@vuepress/core/lib/client/util.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/@vuepress/core/lib/client/util.js b/packages/@vuepress/core/lib/client/util.js
index 65b814d7..381c51d9 100644
--- a/packages/@vuepress/core/lib/client/util.js
+++ b/packages/@vuepress/core/lib/client/util.js
@@ -190,7 +190,7 @@ export function normalizeConfig (component, rawConfig) {
  * @param {any} value
  */
 export function setGlobalInfo (key, value) {
-  if (!window.__VUEPRESS__ || typeof window === 'undefined') {
+  if (typeof window === 'undefined' || !window.__VUEPRESS__) {
     return
   }
   window.__VUEPRESS__[key] = value