From aadff2d56960df0e3827bb7ba5eff53f93cde1a2 Mon Sep 17 00:00:00 2001
From: Wei Zhu <yesmeck@gmail.com>
Date: Fri, 5 Jan 2018 15:57:40 +0800
Subject: [PATCH] Fix ssr

---
 site/theme/template/Home/util.jsx | 64 ++++++++++++++++---------------
 1 file changed, 33 insertions(+), 31 deletions(-)

diff --git a/site/theme/template/Home/util.jsx b/site/theme/template/Home/util.jsx
index 2f8ac1def2..ba883cada3 100644
--- a/site/theme/template/Home/util.jsx
+++ b/site/theme/template/Home/util.jsx
@@ -22,35 +22,37 @@ export default function svgBgToParallax(children, i = 0) {
   return svgChildren;
 }
 
-// 图处预加载；
-const div = document.createElement('div');
-div.style.display = 'none';
-document.body.appendChild(div);
-[
-  'https://gw.alipayobjects.com/zos/rmsportal/DJWUmdpxcQakQHwhPjzf.png',
-  'https://gw.alipayobjects.com/zos/rmsportal/DEaRdiYbAyVNRelJpwXx.png',
-  'https://gw.alipayobjects.com/zos/rmsportal/cCmuVrmQIJYlrhFjiPDZ.png',
-  'https://gw.alipayobjects.com/zos/rmsportal/TOElddMOrCWlgZvWTJna.png',
-  'https://gw.alipayobjects.com/zos/rmsportal/FpKOqFadwoFFIZFExjaf.png',
-  'https://gw.alipayobjects.com/zos/rmsportal/IauKICnGjGnotJBEyCRK.png',
+if (typeof window !== 'undefined') {
+  // 图处预加载；
+  const div = document.createElement('div');
+  div.style.display = 'none';
+  document.body.appendChild(div);
+  [
+    'https://gw.alipayobjects.com/zos/rmsportal/DJWUmdpxcQakQHwhPjzf.png',
+    'https://gw.alipayobjects.com/zos/rmsportal/DEaRdiYbAyVNRelJpwXx.png',
+    'https://gw.alipayobjects.com/zos/rmsportal/cCmuVrmQIJYlrhFjiPDZ.png',
+    'https://gw.alipayobjects.com/zos/rmsportal/TOElddMOrCWlgZvWTJna.png',
+    'https://gw.alipayobjects.com/zos/rmsportal/FpKOqFadwoFFIZFExjaf.png',
+    'https://gw.alipayobjects.com/zos/rmsportal/IauKICnGjGnotJBEyCRK.png',
 
-  'https://gw.alipayobjects.com/zos/rmsportal/URIeCOKLMAbRXaeXoNqN.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/qXncdwwUTTgUFnsbCNCE.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/YFXXZocxAgjReehpPNbX.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/VPuetGsvJuYBwoDkZWFW.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/eYNnmGagLWdrkdMHVUuA.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/EPaPtDVGnJhyqyBAUZMl.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/GobRAKexhfTSJdLFzDFY.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/slVtnOCcgeAcLEPwtewY.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/UtBesTOkoZsBUxPqfDlZ.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/VrADJaRPMnFjmtmIhObV.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/MnLEmwjipfhzPUmBJnJE.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/dyNuxLOZtvjoHSVisbhQ.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/qggKjIGNFlVmMpwDUXPU.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/dgjVqwkJvptQEtlfctvk.svg',
-  'https://gw.alipayobjects.com/zos/rmsportal/vUxYuDdsbBBcMDxSGmwc.svg',
-].forEach((src) => {
-  const img = new Image();
-  img.src = src;
-  div.appendChild(img);
-});
+    'https://gw.alipayobjects.com/zos/rmsportal/URIeCOKLMAbRXaeXoNqN.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/qXncdwwUTTgUFnsbCNCE.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/YFXXZocxAgjReehpPNbX.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/VPuetGsvJuYBwoDkZWFW.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/eYNnmGagLWdrkdMHVUuA.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/EPaPtDVGnJhyqyBAUZMl.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/GobRAKexhfTSJdLFzDFY.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/slVtnOCcgeAcLEPwtewY.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/UtBesTOkoZsBUxPqfDlZ.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/VrADJaRPMnFjmtmIhObV.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/MnLEmwjipfhzPUmBJnJE.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/dyNuxLOZtvjoHSVisbhQ.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/qggKjIGNFlVmMpwDUXPU.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/dgjVqwkJvptQEtlfctvk.svg',
+    'https://gw.alipayobjects.com/zos/rmsportal/vUxYuDdsbBBcMDxSGmwc.svg',
+  ].forEach((src) => {
+    const img = new Image();
+    img.src = src;
+    div.appendChild(img);
+  });
+}