collapse.js in flashgrid-3.2.0

- old
+ new

@@ -27,20 +27,24 @@
   }
 
   Collapse.prototype.show = function () {
     if (this.transitioning || this.$element.hasClass('in')) return
 
+    var activesData
+    var actives = this.$parent && this.$parent.find('> .panel').children('.in, .collapsing')
+
+    if (actives && actives.length) {
+      activesData = actives.data('bs.collapse')
+      if (activesData && activesData.transitioning) return
+    }
+
     var startEvent = $.Event('show.bs.collapse')
     this.$element.trigger(startEvent)
     if (startEvent.isDefaultPrevented()) return
 
-    var actives = this.$parent && this.$parent.find('> .panel').children('.in, .collapsing')
-
     if (actives && actives.length) {
-      var hasData = actives.data('bs.collapse')
-      if (hasData && hasData.transitioning) return
       Plugin.call(actives, 'hide')
-      hasData || actives.data('bs.collapse', null)
+      activesData || actives.data('bs.collapse', null)
     }
 
     var dimension = this.dimension()
 
     this.$element
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