From 78f88d9633eaf4cadcb5c42bc970ef49b6e2e7d4 Mon Sep 17 00:00:00 2001
From: Adam Warner <me@adamwarner.co.uk>
Date: Sun, 8 Nov 2020 17:35:24 +0000
Subject: [PATCH] return null if text passed is null. Don't try to unescape it!

Signed-off-by: Adam Warner <me@adamwarner.co.uk>
---
 scripts/pi-hole/js/utils.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/pi-hole/js/utils.js b/scripts/pi-hole/js/utils.js
index 6fe90245..c83e7484 100644
--- a/scripts/pi-hole/js/utils.js
+++ b/scripts/pi-hole/js/utils.js
@@ -17,6 +17,8 @@ function escapeHtml(text) {
     "'": "&#039;"
   };
 
+  if (text === null) return null;
+
   return text.replace(/[&<>"']/g, function (m) {
     return map[m];
   });
@@ -31,6 +33,8 @@ function unescapeHtml(text) {
     "&#039;": "'"
   };
 
+  if (text === null) return null;
+
   return text.replace(/&(?:amp|lt|gt|quot|#039);/g, function (m) {
     return map[m];
   });