From d7f1af47e230f22db8b742766044eb544152236d Mon Sep 17 00:00:00 2001
From: Henry Wang <wanghenry1998@gmail.com>
Date: Mon, 4 Sep 2017 17:59:35 -0500
Subject: [PATCH] Fix global var issue

---
 game-client.js   | 12 ++++++++++--
 player-client.js | 12 ++++++++++--
 public/bundle.js | 24 ++++++++++++++++++++----
 3 files changed, 40 insertions(+), 8 deletions(-)

diff --git a/game-client.js b/game-client.js
index b05837d..267d7a7 100644
--- a/game-client.js
+++ b/game-client.js
@@ -16,10 +16,18 @@ client.renderer = require("./game-renderer.js");
 // window.requestAnimationFrame = function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
 //       window.setTimeout( callback, 1000 / 60 );
 //     };
-var window, requestAnimationFrame;
+var hasWindow;
+try {
+  window.document;
+  hasWindow = true;
+} catch (e) {
+  hasWindow = false;
+}
+
+var requestAnimationFrame;
 if ( !requestAnimationFrame ) {
   requestAnimationFrame = ( function() {
-    if (window) {
+    if (hasWindow) {
       return window.requestAnimationFrame ||
       window.webkitRequestAnimationFrame ||
       window.mozRequestAnimationFrame ||
diff --git a/player-client.js b/player-client.js
index f4b8a99..759b19a 100644
--- a/player-client.js
+++ b/player-client.js
@@ -33,10 +33,18 @@ var grid = new Grid(consts.GRID_SIZE, function(row, col, before, after) {
 //       window.setTimeout( callback, 1000 / 60 );
 //     };
 
-var window, requestAnimationFrame;
+var hasWindow;
+try {
+  window.document;
+  hasWindow = true;
+} catch (e) {
+  hasWindow = false;
+}
+
+var requestAnimationFrame;
 if ( !requestAnimationFrame ) {
   requestAnimationFrame = ( function() {
-    if (window) {
+    if (hasWindow) {
       return window.requestAnimationFrame ||
       window.webkitRequestAnimationFrame ||
       window.mozRequestAnimationFrame ||
diff --git a/public/bundle.js b/public/bundle.js
index cf0531c..7c709c8 100644
--- a/public/bundle.js
+++ b/public/bundle.js
@@ -118,10 +118,18 @@ client.renderer = require("./game-renderer.js");
 // window.requestAnimationFrame = function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
 //       window.setTimeout( callback, 1000 / 60 );
 //     };
-var window, requestAnimationFrame;
+var hasWindow;
+try {
+  window.document;
+  hasWindow = true;
+} catch (e) {
+  hasWindow = false;
+}
+
+var requestAnimationFrame;
 if ( !requestAnimationFrame ) {
   requestAnimationFrame = ( function() {
-    if (window) {
+    if (hasWindow) {
       return window.requestAnimationFrame ||
       window.webkitRequestAnimationFrame ||
       window.mozRequestAnimationFrame ||
@@ -8687,10 +8695,18 @@ var grid = new Grid(consts.GRID_SIZE, function(row, col, before, after) {
 //       window.setTimeout( callback, 1000 / 60 );
 //     };
 
-var window, requestAnimationFrame;
+var hasWindow;
+try {
+  window.document;
+  hasWindow = true;
+} catch (e) {
+  hasWindow = false;
+}
+
+var requestAnimationFrame;
 if ( !requestAnimationFrame ) {
   requestAnimationFrame = ( function() {
-    if (window) {
+    if (hasWindow) {
       return window.requestAnimationFrame ||
       window.webkitRequestAnimationFrame ||
       window.mozRequestAnimationFrame ||