From 076170cc3880ae673a7a94c64e64ee54afb7cfbc Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sun, 26 Sep 2021 12:15:00 -0400
Subject: [PATCH] Fix regexMatch and regexReplace handlebars helper functions
 (#1958)

---
 ext/js/templates/sandbox/anki-template-renderer.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ext/js/templates/sandbox/anki-template-renderer.js b/ext/js/templates/sandbox/anki-template-renderer.js
index e15fdba7..b721fadc 100644
--- a/ext/js/templates/sandbox/anki-template-renderer.js
+++ b/ext/js/templates/sandbox/anki-template-renderer.js
@@ -214,7 +214,7 @@ class AnkiTemplateRenderer {
         //   e.g. "i" for case-insensitive, "g" for replace all
         const argCount = args.length - 1;
         const options = args[argCount];
-        let value = options.fn(context);
+        let value = typeof options.fn === 'function' ? options.fn(context) : '';
         if (argCount > 3) {
             value = `${args.slice(3).join('')}${value}`;
         }
@@ -238,7 +238,7 @@ class AnkiTemplateRenderer {
         //   e.g. "i" for case-insensitive, "g" for match all
         const argCount = args.length - 1;
         const options = args[argCount];
-        let value = options.fn(context);
+        let value = typeof options.fn === 'function' ? options.fn(context) : '';
         if (argCount > 2) {
             value = `${args.slice(2).join('')}${value}`;
         }