start to take care of loose ends

stairsplus/compat1/unified_inventory.lua

@@ -0,0 +1,44 @@
+-- luacheck: read globals unified_inventory
+
+if not stairsplus.has.unified_inventory then
+	return
+end
+
+unified_inventory.register_craft_type("stairsplus", {
+	-- ^ Unique identifier for `register_craft`
+	description = "Stairs+ craft schema",
+	-- ^ Text shown below the crafting arrow
+	icon = "dummy.png",
+	-- ^ Image shown above the crafting arrow
+	width = 3,
+	height = 3,
+	-- ^ Maximal input dimensions of the recipes
+	uses_crafting_grid = true,
+})
+
+local function convert_schema_recipe_item(item)
+	if item == "" then
+		return item
+	end
+
+	local name, count = item:match("^([^ ]+) (%d+)")
+	if not name then
+		name = item
+	end
+
+	count = tonumber(count)
+
+	error("more logic here")
+
+	if count then
+		return ("%s %s"):format(name, count)
+	else
+		return name
+	end
+end
+
+stairsplus.api.register_on_register_craft_schema(function(schema)
+	local recipe = table.copy(schema)
+
+	recipe.output = convert_schema_recipe_item(recipe.output)
+end)