fix: graphite annotation tooltip included undefined, fixes #9707

(cherry picked from commit 43d45f9fae)
2017-10-28 13:00:26 +02:00
parent c47f670a58
commit dce8522575
1 changed files with 1 additions and 1 deletions
@@ -39,7 +39,7 @@ export function annotationTooltipDirective($sanitize, dashboardSrv, contextSrv,
          text = text + '<br />' + event.text;
        }
      } else if (title) {
-        text = title + '<br />' + text;
+        text = title + '<br />' + (_.isString(text) ? text : '');
        title = '';
      }