modal.js in blacklight-7.0.0.rc2

- old
+ new

@@ -1,7 +1,5 @@
-//= require blacklight/core
-
 /*
   The blacklight modal plugin can display some interactions inside a Bootstrap
   modal window, including some multi-page interactions.
 
   It supports unobtrusive Javascript, where a link or form that would have caused
@@ -117,10 +115,10 @@
     // does it have a data- selector for container?
     // important we don't execute script tags, we shouldn't.
     // code modelled off of JQuery ajax.load. https://github.com/jquery/jquery/blob/master/src/ajax/load.js?source=c#L62
     var container =  $('<div>').
       append( jQuery.parseHTML(contents) ).find( Blacklight.modal.containerSelector ).first();
-    if (container.size() !== 0) {
+    if (container.length !== 0) {
       contents = container.html();
     }
 
     $(Blacklight.modal.modalSelector).find('.modal-content').html(contents);
 