From b921d46b3389d9c3be16582780b92e14f4028451 Mon Sep 17 00:00:00 2001
From: Kyle Sferrazza <kyle.sferrazza@gmail.com>
Date: Tue, 14 Jul 2020 13:39:26 -0400
Subject: [PATCH] cancel tab button

---
 .../workflows/student/exams/show/lockdown/listeners.ts   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/javascript/components/workflows/student/exams/show/lockdown/listeners.ts b/app/javascript/components/workflows/student/exams/show/lockdown/listeners.ts
index c33794adb..3c4cae538 100644
--- a/app/javascript/components/workflows/student/exams/show/lockdown/listeners.ts
+++ b/app/javascript/components/workflows/student/exams/show/lockdown/listeners.ts
@@ -46,6 +46,15 @@ const listeners: {
       detected('tried to navigate away', e);
     },
   },
+  {
+    event: 'keydown',
+    handler: (_detected) => (e: KeyboardEvent): void => {
+      if (e.key === 'Tab') {
+        e.preventDefault();
+        e.stopPropagation();
+      }
+    },
+  },
 ];
 
 export function installListeners(