From 94773a1f11608065e3899524849ff867ac81e7a2 Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@roojs.com>
Date: Tue, 20 Aug 2019 17:56:35 +0800
Subject: [PATCH] check ifdef for bootstrap version

---
 Roo/bootstrap/version.js | 2 +-
 roojs-bootstrap-debug.js | 2 +-
 roojs-bootstrap.js       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Roo/bootstrap/version.js b/Roo/bootstrap/version.js
index 7d4b3cb16c..555a5ab1a6 100644
--- a/Roo/bootstrap/version.js
+++ b/Roo/bootstrap/version.js
@@ -7,7 +7,7 @@ Roo.bootstrap.version = (
         function() {
                 var ret=3;
                 Roo.each(document.styleSheets, function(s) {
-                    if (s.href.match(/css-bootstrap4/)) {
+                    if (typeof(s.href) != 'undefined' && s.href.match(/css-bootstrap4/)) {
                         ret=4;
                     }
                 });
diff --git a/roojs-bootstrap-debug.js b/roojs-bootstrap-debug.js
index f155bf72c0..48a8ef58bb 100644
--- a/roojs-bootstrap-debug.js
+++ b/roojs-bootstrap-debug.js
@@ -7,7 +7,7 @@ Roo.bootstrap.version = (
         function() {
                 var ret=3;
                 Roo.each(document.styleSheets, function(s) {
-                    if (s.href.match(/css-bootstrap4/)) {
+                    if (typeof(s.href) != 'undefined' && s.href.match(/css-bootstrap4/)) {
                         ret=4;
                     }
                 });
diff --git a/roojs-bootstrap.js b/roojs-bootstrap.js
index d1d8833afe..df4a844ac5 100644
--- a/roojs-bootstrap.js
+++ b/roojs-bootstrap.js
@@ -1,5 +1,5 @@
 // Roo/bootstrap/version.js
-Roo.bootstrap.version=(function(){var A=3;Roo.each(document.styleSheets,function(s){if(s.href.match(/css-bootstrap4/)){A=4;}});return A;})();
+Roo.bootstrap.version=(function(){var A=3;Roo.each(document.styleSheets,function(s){if(typeof(s.href)!='undefined'&&s.href.match(/css-bootstrap4/)){A=4;}});return A;})();
 // Roo/bootstrap/Component.js
 Roo.bootstrap=Roo.bootstrap||{};Roo.bootstrap.Component=function(A){Roo.bootstrap.Component.superclass.constructor.call(this,A);this.addEvents({"childrenrendered":true});};Roo.extend(Roo.bootstrap.Component,Roo.BoxComponent,{allowDomMove:false,cls:false,style:false,autoCreate:false,tooltip:null,initEvents:function(){}
 ,xattr:false,parentId:false,can_build_overlaid:true,container_method:false,dataId:false,name:false,parent:function(){return Roo.ComponentMgr.get(this.parentId)},onRender:function(ct,A){Roo.bootstrap.Component.superclass.onRender.call(this,ct,A);if(this.el){if(this.el.attr('xtype')){this.el.attr('xtypex',this.el.attr('xtype'));
-- 
2.39.2