Revert removal of platform requirements (#42)

* Partially revert "f8c70309e75569964669af8a068fb0d0312c323f"

* Revert "Remove platform requirements (#37)"

This reverts commit fa2eb25.

Author: stephencelis

.github/workflows/ci.yml

@@ -16,6 +16,8 @@ jobs:
     strategy:
       matrix:
         xcode:
+          - '12.4'
+          - '12.5.1'
           - '13.0'
           - '13.1'
           - '13.2.1'

Package.swift

@@ -4,6 +4,12 @@ import PackageDescription
 
 let package = Package(
   name: "swift-custom-dump",
+  platforms: [
+    .iOS(.v13),
+    .macOS(.v10_15),
+    .tvOS(.v13),
+    .watchOS(.v6),
+  ],
   products: [
     .library(
       name: "CustomDump",

Sources/CustomDump/Conformances/CoreImage.swift

@@ -2,7 +2,6 @@
   import CoreImage
 
   @available(watchOS, unavailable)
-  @available(iOS 11, macOS 10.13, tvOS 11, *)
   extension CIQRCodeDescriptor.ErrorCorrectionLevel: CustomDumpStringConvertible {
     public var customDumpDescription: String {
       switch self {
@@ -21,8 +20,6 @@
     }
   }
 
-  @available(watchOS, unavailable)
-  @available(iOS 11, macOS 10.13, tvOS 11, *)
   extension CIDataMatrixCodeDescriptor.ECCVersion: CustomDumpStringConvertible {
     public var customDumpDescription: String {
       switch self {

Sources/CustomDump/Conformances/SwiftUI.swift

@@ -1,4 +1,4 @@
-#if canImport(SwiftUI) && DEBUG
+#if canImport(SwiftUI)
   import SwiftUI
 
   @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)

Sources/CustomDump/Conformances/UserNotifications.swift

@@ -26,43 +26,27 @@
         var rawValue: UNAuthorizationOptions
 
         var customDumpDescription: String {
+          switch self.rawValue {
+          case .alert:
+            return "UNAuthorizationOptions.alert"
           #if os(iOS) || os(watchOS)
-            if #available(iOS 13, watchOS 6, *), self.rawValue == .announcement {
+            case .announcement:
               return "UNAuthorizationOptions.announcement"
-            }
           #endif
-          if #available(iOS 12, tvOS 12, watchOS 5, *) {
-            switch self.rawValue {
-            case .alert:
-              return "UNAuthorizationOptions.alert"
-            case .badge:
-              return "UNAuthorizationOptions.badge"
-            case .carPlay:
-              return "UNAuthorizationOptions.carPlay"
-            case .criticalAlert:
-              return "UNAuthorizationOptions.criticalAlert"
-            case .providesAppNotificationSettings:
-              return "UNAuthorizationOptions.providesAppNotificationSettings"
-            case .provisional:
-              return "UNAuthorizationOptions.provisional"
-            case .sound:
-              return "UNAuthorizationOptions.sound"
-            default:
-              return "UNAuthorizationOptions(rawValue: \(self.rawValue))"
-            }
-          } else {
-            switch self.rawValue {
-            case .alert:
-              return "UNAuthorizationOptions.alert"
-            case .badge:
-              return "UNAuthorizationOptions.badge"
-            case .carPlay:
-              return "UNAuthorizationOptions.carPlay"
-            case .sound:
-              return "UNAuthorizationOptions.sound"
-            default:
-              return "UNAuthorizationOptions(rawValue: \(self.rawValue))"
-            }
+          case .badge:
+            return "UNAuthorizationOptions.badge"
+          case .carPlay:
+            return "UNAuthorizationOptions.carPlay"
+          case .criticalAlert:
+            return "UNAuthorizationOptions.criticalAlert"
+          case .providesAppNotificationSettings:
+            return "UNAuthorizationOptions.providesAppNotificationSettings"
+          case .provisional:
+            return "UNAuthorizationOptions.provisional"
+          case .sound:
+            return "UNAuthorizationOptions.sound"
+          default:
+            return "UNAuthorizationOptions(rawValue: \(self.rawValue))"
           }
         }
       }
@@ -72,8 +56,17 @@
       var allCases: [UNAuthorizationOptions] = [
         .alert
       ]
-      self.append_iOS_13_watchOS_6(&allCases)
-      self.append_iOS_12_tvOS_12_watchOS_5(&allCases)
+      #if os(iOS) || os(watchOS)
+        allCases.append(.announcement)
+      #endif
+      allCases.append(contentsOf: [
+        .badge,
+        .carPlay,
+        .criticalAlert,
+        .providesAppNotificationSettings,
+        .provisional,
+        .sound,
+      ])
       for option in allCases {
         if options.contains(option) {
           children.append(.init(rawValue: option))
@@ -90,33 +83,6 @@
         displayStyle: .set
       )
     }
-
-    // NB: Workaround for Xcode 13.2's new, experimental build system. (Fixed in Xcode 13.3.)
-    //
-    //     defaults write com.apple.dt.XCBuild EnableSwiftBuildSystemIntegration 1
-    private func append_iOS_13_watchOS_6(_ allCases: inout [UNAuthorizationOptions]) {
-      #if os(iOS) || os(watchOS)
-        if #available(iOS 13, watchOS 6, *) {
-          allCases.append(.announcement)
-        }
-      #endif
-    }
-
-    // NB: Workaround for Xcode 13.2's new, experimental build system. (Fixed in Xcode 13.3.)
-    //
-    //     defaults write com.apple.dt.XCBuild EnableSwiftBuildSystemIntegration 1
-    private func append_iOS_12_tvOS_12_watchOS_5(_ allCases: inout [UNAuthorizationOptions]) {
-      if #available(iOS 12, tvOS 12, watchOS 5, *) {
-        allCases.append(contentsOf: [
-          .badge,
-          .carPlay,
-          .criticalAlert,
-          .providesAppNotificationSettings,
-          .provisional,
-          .sound,
-        ])
-      }
-    }
   }
 
   @available(iOS 10, macOS 10.14, tvOS 10, watchOS 3, *)
@@ -207,7 +173,7 @@
       )
     }
 
-    // NB: Workaround for Xcode 13.2's new, experimental build system. (Fixed in Xcode 13.3.)
+    // NB: Workaround for Xcode 13.2's new, experimental build system.
     //
     //     defaults write com.apple.dt.XCBuild EnableSwiftBuildSystemIntegration 1
     private func appendBannerList(_ allCases: inout [UNNotificationPresentationOptions]) {

Sources/CustomDump/Diff.swift

@@ -156,7 +156,7 @@ public func diff<T>(_ lhs: T, _ rhs: T, format: DiffFormat = .default) -> String
         rhsChildren.sort(by: areInIncreasingOrder)
       }
 
-      let difference = rhsChildren._difference(from: lhsChildren, by: areEquivalent)
+      let difference = rhsChildren.difference(from: lhsChildren, by: areEquivalent)
 
       var lhsOffset = 0
       var rhsOffset = 0