# HG changeset patch
# User Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
# Date 1231495294 -3600
# Node ID 3c19343f28481dade72d80f6c73bc5bef85bd27b
# Parent  c0cd7398edff8a9723af08f6e523e8c9087eb8de
[javascript] add safety belt in cubicwebSortValueExtraction for cases where cubicweb:sortvalue is not available

diff -r c0cd7398edff -r 3c19343f2848 web/data/jquery.tablesorter.js
--- a/web/data/jquery.tablesorter.js	Fri Jan 09 09:18:16 2009 +0100
+++ b/web/data/jquery.tablesorter.js	Fri Jan 09 11:01:34 2009 +0100
@@ -864,7 +864,11 @@
 
 
 function cubicwebSortValueExtraction(node){
-    return jQuery(node).attr('cubicweb:sortvalue');
+    var sortvalue = jQuery(node).attr('cubicweb:sortvalue');
+    if (sortvalue === undefined) {
+	return '';
+    }
+    return sortvalue;
 }
 
 Sortable.sortTables = function() {