From 53df3db9376f641769bd2c33dedbd412e3fed9fe Mon Sep 17 00:00:00 2001
From: Mark Moffat <hi@markmoffat.com>
Date: Sat, 9 Feb 2019 13:35:41 +1030
Subject: [PATCH] Added form PR #41

---
 public/javascripts/expressCart.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/public/javascripts/expressCart.js b/public/javascripts/expressCart.js
index 7e668e0..4fc38bf 100644
--- a/public/javascripts/expressCart.js
+++ b/public/javascripts/expressCart.js
@@ -531,7 +531,8 @@ $(document).ready(function (){
     });
 
     $('.qty-btn-minus').on('click', function(){
-        $('#product_quantity').val(parseInt($('#product_quantity').val()) - 1);
+        var number = parseInt($('#product_quantity').val()) - 1;
+        $('#product_quantity').val(number > 0 ? number : 1);
     });
 
     $('.qty-btn-plus').on('click', function(){