make xhr.cache optionally synchronous

- add `sync` flag xhr.cache
- change ng:include to use the sync flag
- change ng:view to use the sync flag

The end result is that there are fewer repaints in the browser,
which means less "blinking" that user sees.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/widgets.js b/src/widgets.js
index ac8a88e0..87ceb909 100644
--- a/src/widgets.js
+++ b/src/widgets.js
@@ -673,12 +673,12 @@ angularWidget('ng:include', function(element){
             useScope = this.$eval(scopeExp);
 
         if (src) {
-          xhr('GET', src, function(code, response){
+          xhr('GET', src, null, function(code, response){
             element.html(response);
             childScope = useScope || createScope(scope);
             compiler.compile(element)(childScope);
             scope.$eval(onloadExp);
-          });
+          }, false, true);
         } else {
           childScope = null;
           element.html('');
@@ -1066,10 +1066,10 @@ angularWidget('ng:view', function(element) {
         }
 
         if (src) {
-          $xhr('GET', src, function(code, response){
+          $xhr('GET', src, null, function(code, response){
             element.html(response);
             compiler.compile(element)(childScope);
-          });
+          }, false, true);
         } else {
           element.html('');
         }