From 46a5007a5d5e19860b3679051b16796e03737c75 Mon Sep 17 00:00:00 2001
From: Asma Jamil <asma.89.jamil@hotmail.com>
Date: Thu, 12 Oct 2023 14:10:26 +0300
Subject: [PATCH] Change null to mdash on empty student ids in the All results
 table

Fixes #1272
---
 exercise/static/exercise/results_staff.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exercise/static/exercise/results_staff.js b/exercise/static/exercise/results_staff.js
index 0d97b29b5..c7a21b75c 100644
--- a/exercise/static/exercise/results_staff.js
+++ b/exercise/static/exercise/results_staff.js
@@ -1175,7 +1175,7 @@
             function renderParticipantLink(data, type, row) {
                 // TODO: Get the link to students in a proper way
                 const link = $('li.menu-participants').find('a').attr('href');
-                return (row['UserID'] > 0 ? '<a href="' + link + row['UserID'] + '">' + data + '</a>' : '');
+                return (row['UserID'] > 0 ? '<a href="' + link + row['UserID'] + '">' + (!data ? '—' : data) + '</a>' : '');
             }
 
             let columns = [