feat(AllowedSwipeDirection): make only and symmetric const constructors

lib/src/allowed_swipe_direction.dart

@@ -1,25 +1,5 @@
 /// Class to define the direction in which the card can be swiped
 class AllowedSwipeDirection {
-  /// Set to true to allow the card to be swiped in the up direction
-  final bool up;
-
-  /// Set to true to allow the card to be swiped in the down direction
-  final bool down;
-
-  /// Set to true to allow the card to be swiped in the left direction
-  final bool left;
-
-  /// Set to true to allow the card to be swiped in the right direction
-  final bool right;
-
-  /// Define the direction in which the card can be swiped
-  const AllowedSwipeDirection._({
-    required this.up,
-    required this.down,
-    required this.left,
-    required this.right,
-  });
-
   /// Allow the card to be swiped in any direction
   const AllowedSwipeDirection.all()
       : up = true,
@@ -35,28 +15,31 @@ class AllowedSwipeDirection {
         left = false;
 
   /// Allow the card to be swiped in only the specified directions
-  factory AllowedSwipeDirection.only({
-    up = false,
-    down = false,
-    left = false,
-    right = false,
-  }) =>
-      AllowedSwipeDirection._(
-        up: up,
-        down: down,
-        left: left,
-        right: right,
-      );
+  const AllowedSwipeDirection.only({
+    this.up = false,
+    this.down = false,
+    this.left = false,
+    this.right = false,
+  });
 
   /// Allow the card to be swiped symmetrically in horizontal or vertical directions
-  factory AllowedSwipeDirection.symmetric({
-    horizontal = false,
-    vertical = false,
-  }) =>
-      AllowedSwipeDirection._(
-        up: vertical,
-        down: vertical,
-        right: horizontal,
-        left: horizontal,
-      );
+  const AllowedSwipeDirection.symmetric({
+    bool horizontal = false,
+    bool vertical = false,
+  })  : up = vertical,
+        down = vertical,
+        left = horizontal,
+        right = horizontal;
+
+  /// Set to true to allow the card to be swiped in the up direction
+  final bool up;
+
+  /// Set to true to allow the card to be swiped in the down direction
+  final bool down;
+
+  /// Set to true to allow the card to be swiped in the left direction
+  final bool left;
+
+  /// Set to true to allow the card to be swiped in the right direction
+  final bool right;
 }

test/card_swipe_direction_test.dart

@@ -21,7 +21,7 @@ void main() {
   group('CardSwipeDirection.only() tests', () {
     test('CardSwipeDirection.only(up:true) has only the up direction as true',
         () {
-      final directions = AllowedSwipeDirection.only(up: true);
+      const directions = AllowedSwipeDirection.only(up: true);
       expect(directions.up, true);
       expect(directions.down, false);
       expect(directions.right, false);
@@ -31,7 +31,7 @@ void main() {
     test(
         'CardSwipeDirection.only(down:true) has only the set direction as true',
         () {
-      final directions = AllowedSwipeDirection.only(down: true);
+      const directions = AllowedSwipeDirection.only(down: true);
       expect(directions.up, false);
       expect(directions.down, true);
       expect(directions.right, false);
@@ -41,7 +41,7 @@ void main() {
     test(
         'CardSwipeDirection.only(right:true) has only the set direction as true',
         () {
-      final directions = AllowedSwipeDirection.only(right: true);
+      const directions = AllowedSwipeDirection.only(right: true);
       expect(directions.up, false);
       expect(directions.down, false);
       expect(directions.right, true);
@@ -51,7 +51,7 @@ void main() {
     test(
         'CardSwipeDirection.only(left:true) has only the set direction as true',
         () {
-      final directions = AllowedSwipeDirection.only(left: true);
+      const directions = AllowedSwipeDirection.only(left: true);
       expect(directions.up, false);
       expect(directions.down, false);
       expect(directions.right, false);
@@ -63,7 +63,7 @@ void main() {
     test(
         'CardSwipeDirection.symmetric(horizontal:true) has left and right as true',
         () {
-      final directions = AllowedSwipeDirection.symmetric(horizontal: true);
+      const directions = AllowedSwipeDirection.symmetric(horizontal: true);
       expect(directions.up, false);
       expect(directions.down, false);
       expect(directions.right, true);
@@ -72,7 +72,7 @@ void main() {
 
     test('CardSwipeDirection.symmetric(vertical:true) has up and down as true',
         () {
-      final directions = AllowedSwipeDirection.symmetric(vertical: true);
+      const directions = AllowedSwipeDirection.symmetric(vertical: true);
       expect(directions.up, true);
       expect(directions.down, true);
       expect(directions.right, false);

test/card_swiper_test.dart

@@ -477,7 +477,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(right: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(right: true),
           cardBuilder: genericBuilder,
         ),
       );
@@ -498,7 +498,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(left: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(left: true),
           cardBuilder: genericBuilder,
         ),
       );
@@ -519,7 +519,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(left: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(left: true),
           cardBuilder: genericBuilder,
         ),
       );
@@ -540,7 +540,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(right: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(right: true),
           cardBuilder: genericBuilder,
         ),
       );
@@ -561,7 +561,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(up: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(up: true),
           cardBuilder: genericBuilder,
         ),
       );
@@ -582,7 +582,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(down: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(down: true),
           cardBuilder: genericBuilder,
         ),
       );
@@ -603,7 +603,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(down: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(down: true),
           cardBuilder: genericBuilder,
         ),
       );
@@ -624,7 +624,7 @@ void main() {
           key: swiperKey,
           cardsCount: 10,
           numberOfCardsDisplayed: 1,
-          allowedSwipeDirection: AllowedSwipeDirection.only(up: true),
+          allowedSwipeDirection: const AllowedSwipeDirection.only(up: true),
           cardBuilder: genericBuilder,
         ),
       );