journal-gateway: use localStorage["cursor"] only when it has valid value

yuwata · keszybz · commit 4617d277be13 · 2018-10-29T02:55:43.000+01:00
Discovered by LGTM. (cherry picked from commit 944072f)
diff --git a/src/journal-remote/browse.html b/src/journal-remote/browse.html
@@ -236,10 +236,12 @@ <h1 id="title"></h1>
 
                 function entriesLoad(range) {
 
-                        if (range == null)
-                                range = localStorage["cursor"] + ":0";
-                        if (range == null)
-                                range = "";
+                        if (range == null) {
+                                if (localStorage["cursor"] != null && localStorage["cursor"] != "")
+                                        range = localStorage["cursor"] + ":0";
+                                else
+                                        range = "";
+                        }
 
                         var url = "/entries";
 
