⭐️ Impl: Add RNIAnimatorSize

ios/src_library/Helpers+Utilities/RNIAnimatorSize.swift

@@ -0,0 +1,54 @@
+//
+//  RNIAnimatorSize.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 4/19/23.
+//
+
+import Foundation
+
+fileprivate extension CGSize {
+  init(array: [CGFloat]) {
+    self = CGSize(width: array[0], height: array[1]);
+  };
+
+  var array: [CGFloat] {
+    return [
+      self.width,
+      self.height
+    ];
+  };
+};
+
+public class RNIAnimatorSize: RNIAnimator {
+
+  public init?(
+    durationSeconds: CFTimeInterval,
+    sizeStart: CGSize,
+    sizeEnd: CGSize,
+    onSizeDidChange: ((_ newSize: CGSize) -> Void)? = nil,
+    onAnimationCompletion: (() -> Void)? = nil
+  ) {
+    super.init(
+      durationSeconds: durationSeconds,
+      animatedValuesStart: sizeStart.array,
+      animatedValuesEnd: sizeEnd.array
+    ) {
+      onSizeDidChange?(
+        CGSize(array: $0)
+      );
+    } onAnimationCompletion: {
+      onAnimationCompletion?();
+    };
+  };
+
+  public func update(
+    sizeEnd: CGSize,
+    duration: CGFloat? = nil
+  ){
+    super.update(
+      animatedValuesEnd: sizeEnd.array,
+      duration: duration
+    );
+  };
+};