fix revisions and diff

[redakcja.git] / redakcja / static / js / wiki / wikiapi.js

diff --git a/redakcja/static/js/wiki/wikiapi.js b/redakcja/static/js/wiki/wikiapi.js
index c8b3627..3a05ea8 100644 (file)
--- a/redakcja/static/js/wiki/wikiapi.js
+++ b/redakcja/static/js/wiki/wikiapi.js
@@ -67,13 +67,15 @@
                this.galleryLink = $("*[data-key='gallery']", meta).text();
 
         var diff = $("*[data-key='diff']", meta).text();
-        diff = diff.split(',');
-        if (diff.length == 2 && diff[0] < diff[1])
-            this.diff = diff;
-        else if (diff.length == 1) {
-            diff = parseInt(diff);
-            if (diff != NaN)
-                this.diff = [diff - 1, diff];
+        if (diff) {
+            diff = diff.split(',');
+            if (diff.length == 2 && diff[0] < diff[1])
+                this.diff = diff;
+            else if (diff.length == 1) {
+                diff = parseInt(diff);
+                if (diff != NaN)
+                    this.diff = [diff - 1, diff];
+            }
         }
 
                this.galleryImages = [];