From 441f323094e804288f9293bd4c41290b89a34a5b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josu=C3=A9=20Tille?= <josue@tille.ch>
Date: Wed, 23 Jan 2019 10:22:02 +0100
Subject: [PATCH] Fix string helper if string is empty

---
 helpers.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/helpers.lua b/helpers.lua
index c53e783..3fc4d96 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -38,7 +38,10 @@ end
 
 -- Test whether a string starts with another
 function string.starts(String, Start)
-   return string.sub(String, 1, string.len(Start)) == Start
+    if not String then
+        return false
+    end
+    return string.sub(String, 1, string.len(Start)) == Start
 end