refactoring

security update

lib/features/core/widgets/animated_column.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/widgets.dart';
+
+import '/features/core/data/constants/const_durations.dart';
+
+/// [AnimatedColumn] Animates its children when they get added or removed at the end
+class AnimatedColumn extends StatelessWidget {
+  const AnimatedColumn({
+    required this.children,
+    this.duration = ConstDurations.oneAndHalfDefaultAnimationDuration,
+    this.mainAxisAlignment = MainAxisAlignment.start,
+    this.mainAxisSize = MainAxisSize.max,
+    this.crossAxisAlignment = CrossAxisAlignment.center,
+    this.textDirection,
+    this.verticalDirection = VerticalDirection.down,
+    this.textBaseline,
+    this.maxAnimatingChildren = 2,
+    super.key,
+  });
+
+  /// [duration] specifies the duration of the add/remove animation
+  final Duration duration;
+
+  /// [maxAnimatingChildren] determines the maximum number of chidren that can
+  /// be animating at once, if more are removed or added at within an animation
+  /// duration they will pop in instead
+  final int maxAnimatingChildren;
+
+  final MainAxisAlignment mainAxisAlignment;
+  final MainAxisSize mainAxisSize;
+  final CrossAxisAlignment crossAxisAlignment;
+  final TextDirection? textDirection;
+  final VerticalDirection verticalDirection;
+  final TextBaseline? textBaseline;
+  final List<Widget> children;
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: crossAxisAlignment,
+      children: [
+        for (int i = 0; i < children.length + maxAnimatingChildren; i++)
+          AnimatedSwitcher(
+            duration: duration,
+            switchInCurve: Curves.easeInOut,
+            switchOutCurve: Curves.easeInOut,
+            transitionBuilder: (child, animation) => FadeTransition(
+              opacity: animation,
+              child: SizeTransition(
+                sizeFactor: animation,
+                axisAlignment: -1,
+                child: child,
+              ),
+            ),
+            child: i < children.length ? children[i] : const SizedBox.shrink(),
+          ),
+      ],
+    );
+  }
+}