Change availability for animation modifier #patch

Author: fermoya

Sources/SwiftUIPager/Helpers/OnAnimationCompletedModifier.swift

@@ -9,7 +9,7 @@
 import SwiftUI
 
 /// `ViewModifier` used to observe the end of an animation
-@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, *)
+@available(iOS 13.2, macOS 10.15, tvOS 13.0, watchOS 6.0, *)
 struct OnAnimationCompletedModifier<Value>: AnimatableModifier where Value: VectorArithmetic {
 
     var animatableData: Value {
@@ -39,7 +39,7 @@ struct OnAnimationCompletedModifier<Value>: AnimatableModifier where Value: Vect
     }
 }
 
-@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, *)
+@available(iOS 13.2, macOS 10.15, tvOS 13.0, watchOS 6.0, *)
 extension View {
 
     /// Calls the completion handler whenever an animation on the given value completes.

Sources/SwiftUIPager/Helpers/View+Helper.swift

@@ -15,4 +15,8 @@ extension View {
         frame(width: size.width, height: size.height)
     }
 
+    func eraseToAny() -> AnyView {
+        AnyView(self)
+    }
+
 }

Sources/SwiftUIPager/PagerContent.swift

@@ -186,7 +186,7 @@ extension Pager {
             let wrappedView = stack
             #endif
 
-            return wrappedView
+            var resultView = wrappedView
                 .rotation3DEffect((isHorizontal ? .zero : Angle(degrees: 90)) + scrollDirectionAngle,
                                   axis: (0, 0, 1))
                 .onDeactivate(perform: {
@@ -196,16 +196,22 @@ extension Pager {
                         #endif
                     }
                 })
-                .onAnimationCompleted(for: CGFloat(pagerModel.index), completion: {
-                    // #194 AnimatableModifier symbol not found in iOS 13.0 and iOS 13.1
-                    if #available(iOS 13.2, macOS 10.15, tvOS 13.0, watchOS 6.0, *) {
+                .eraseToAny()
+
+            if #available(iOS 13.2, macOS 10.15, tvOS 13.0, watchOS 6.0, *) {
+                resultView = resultView
+                    .onAnimationCompleted(for: CGFloat(pagerModel.index), completion: {
+                        // #194 AnimatableModifier symbol not found in iOS 13.0 and iOS 13.1
+
                         if pagerModel.pageIncrement != 0 {
                             pagerModel.pageIncrement = 0
                             onPageChanged?(pagerModel.index)
                         }
-                    }
-                })
-                .contentShape(Rectangle())
+                    })
+                    .eraseToAny()
+            }
+
+            return resultView.contentShape(Rectangle())
         }
     }
 }

SwiftUIPager.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "SwiftUIPager"
-  s.version      = ENV['LIB_VERSION']
+  s.version      = "2.3.0"
   s.summary      = "Native pager for SwiftUI. Easily to use, easy to customize."
 
   s.description  = <<-DESC