Fix crash due to nil value in recipe ingredients

lignumis/prototypes/content/basic-construction-robots.lua

@@ -42,7 +42,7 @@ local function robot_recipe(color, ingredients)
         name = "basic-construction-robot-" .. color,
         enabled = false,
         energy_required = 10,
-        ingredients = ingredients,
+        ingredients = table.trim(ingredients),
         results = { { type = "item", name = "basic-construction-robot-" .. color, amount = 1 } }
     }
 end
@@ -111,7 +111,7 @@ local function generator_recipe(color, ingredients)
         name = "basic-portable-generator-equipment-" .. color,
         enabled = false,
         energy_required = 10,
-        ingredients = ingredients,
+        ingredients = table.trim(ingredients),
         results = { { type = "item", name = "basic-portable-generator-equipment-" .. color, amount = 1 } }
     }
 end
@@ -149,7 +149,7 @@ local function roboport_recipe(color, ingredients)
         name = "basic-personal-roboport-equipment-" .. color,
         enabled = false,
         energy_required = 10,
-        ingredients = ingredients,
+        ingredients = table.trim(ingredients),
         results = { { type = "item", name = "basic-personal-roboport-equipment-" .. color, amount = 1 } }
     }
 end

lignumis/prototypes/content/lumber-mill.lua

@@ -28,14 +28,14 @@ local lumber_mill_item = LumberMill.ItemBuilder:new()
     })
 
 LumberMill.RecipeBuilder:new()
-    :ingredients({
+    :ingredients(table.trim({
         { type = "item", name = "stone-brick",               amount = 40 },
         { type = "item", name = "lumber",                    amount = 100 },
         { type = "item", name = "wooden-gear-wheel",         amount = 100 },
         { type = "item", name = "gold-plate",                amount = basic_circuit_board and 30 or 60 },
         basic_circuit_board and { type = "item", name = "basic-circuit-board", amount = 30 } or nil,
         { type = "item", name = "burner-assembling-machine", amount = 5 }
-    })
+    }))
     :apply({
         category = "wood-processing-or-assembling"
     })