Output to file

items/Item.js

@@ -9,7 +9,7 @@ module.exports = class Item {
     this.addPart('blueprint')
   }
 
-  addPart (part) {
-    this.parts.push(new Part(this.name, part))
+  addPart (part, amount) {
+    this.parts.push(new Part(this.name, part, amount))
   }
 }