From 021c4c33248b53cfded0840901931b03bc8a72fa Mon Sep 17 00:00:00 2001
From: Luke aka SwissalpS <Luke@SwissalpS.ws>
Date: Tue, 5 Mar 2024 22:45:59 +0100
Subject: [PATCH] fix faulty empty table check

---
 autocrafter.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/autocrafter.lua b/autocrafter.lua
index 8c0be99..014c4a5 100644
--- a/autocrafter.lua
+++ b/autocrafter.lua
@@ -4,6 +4,7 @@ local S = minetest.get_translator("pipeworks")
 local autocrafterCache = {}
 
 local craft_time = 1
+local next = next
 
 local function count_index(invlist)
 	local index = {}
@@ -141,7 +142,7 @@ local function calculate_consumption(inv_index, consumption_with_groups)
 	end
 
 	-- Next, resolve groups using the remaining items in the inventory
-	if grouped_ingredients ~= {} then
+	if next(grouped_ingredients) ~= nil then
 		local take
 		for itemname, count in pairs(inv_index) do
 			if count > 0 then