From d1c6e67d17493844ffe13b8326e532e9e7eb28fc Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Mon, 3 Feb 2020 18:30:29 -0500
Subject: [PATCH] throw if you try to mkAsync a non-function

---
 www/common/common-util.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/www/common/common-util.js b/www/common/common-util.js
index da83b5960..5f6841983 100644
--- a/www/common/common-util.js
+++ b/www/common/common-util.js
@@ -34,6 +34,9 @@
     };
 
     Util.mkAsync = function (f) {
+        if (typeof(f) !== 'function') {
+            throw new Error('EXPECTED_FUNCTION');
+        }
         return function () {
             var args = Array.prototype.slice.call(arguments);
             setTimeout(function () {