diff --git a/lib/src/annotations/file.dart b/lib/src/annotations/file.dart
index 00e724c..051dbdb 100644
--- a/lib/src/annotations/file.dart
+++ b/lib/src/annotations/file.dart
@@ -1,5 +1,4 @@
 /// Writing Minecrafts functions annotations becomes really easy. Just annotate a Widget variable that should be inside of your function with `@Func()`:
-
 class Func {
   final String? name;
   final String? path;
diff --git a/lib/src/annotations/pack.dart b/lib/src/annotations/pack.dart
index 68e16be..766759a 100644
--- a/lib/src/annotations/pack.dart
+++ b/lib/src/annotations/pack.dart
@@ -1,5 +1,4 @@
 /// The `@Pck()` annotation works similar to @Func. You annotate a File List variable and it generates a Widget for this Pack.
-
 class Pck {
   final String? name;
   final String? main;
diff --git a/lib/src/annotations/project.dart b/lib/src/annotations/project.dart
index 8a8dc9c..fbd34b7 100644
--- a/lib/src/annotations/project.dart
+++ b/lib/src/annotations/project.dart
@@ -1,5 +1,4 @@
 /// This can automatically generate a main function with all necessary pieces to actually generate all packs and files.
-
 class Prj {
   final String? name;
   final int? version;
diff --git a/lib/src/annotations/widget.dart b/lib/src/annotations/widget.dart
index a157f0b..951e4fa 100644
--- a/lib/src/annotations/widget.dart
+++ b/lib/src/annotations/widget.dart
@@ -6,7 +6,6 @@
 ///  Log('Hello $name $lastname!'),
 ///]);
 ///```
-
 // ignore: constant_identifier_names
 const Wdg = WidgetAnnotation();
 
diff --git a/lib/src/basic/pack.dart b/lib/src/basic/pack.dart
index 073e6ba..b193db8 100644
--- a/lib/src/basic/pack.dart
+++ b/lib/src/basic/pack.dart
@@ -57,9 +57,8 @@ class Pack extends Widget {
         'name': name,
         'main': main?.toMap(),
         'load': load?.toMap(),
-        'modules':
-            modules == null ? null : modules!.map((x) => x.toMap()).toList(),
-        'files': files == null ? null : files!.map((x) => x.toMap()).toList(),
+        'modules': modules?.map((x) => x.toMap()).toList(),
+        'files': files?.map((x) => x.toMap()).toList(),
       }
     };
   }
diff --git a/lib/src/basic/parsable.dart b/lib/src/basic/parsable.dart
index f80b1e3..bf1fa77 100644
--- a/lib/src/basic/parsable.dart
+++ b/lib/src/basic/parsable.dart
@@ -2,5 +2,5 @@ import 'package:gson/parsable.dart';
 
 class Parsable extends GsonParsable {
   /// ObjD's own type of a Parsable
-  Parsable(String parsable) : super(parsable);
+  Parsable(super.parsable);
 }
diff --git a/lib/src/build/context.dart b/lib/src/build/context.dart
index 48134c5..2930e30 100644
--- a/lib/src/build/context.dart
+++ b/lib/src/build/context.dart
@@ -16,7 +16,6 @@
 /// 	}
 /// }
 /// ```
-
 class Context {
   List<String> prefixes;
   List<String> suffixes;
diff --git a/lib/src/utils/recipe.dart b/lib/src/utils/recipe.dart
index a00b5e5..20bdad8 100644
--- a/lib/src/utils/recipe.dart
+++ b/lib/src/utils/recipe.dart
@@ -262,7 +262,7 @@ class Recipe extends Widget {
 
     ingredients.forEach((k, item) {
       // If the item is not known
-      if (!items.containsValue(item)) {
+      if (!items.containsKey(item)) {
         // choose a new key from _CHARS
         items[item] = _CHARS[items.length];
       }