watchOS support

Cache.podspec

@@ -11,11 +11,13 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = '11.0'
   s.osx.deployment_target = '10.12'
   s.tvos.deployment_target = '11.0'
+  s.watchos.deployment_target = '5.0'
 
   s.requires_arc = true
   s.ios.source_files = 'Source/{iOS,Shared}/**/*'
   s.osx.source_files = 'Source/{Mac,Shared}/**/*'
   s.tvos.source_files = 'Source/{iOS,Shared}/**/*'
+  s.watchos.source_files = 'Source/{iOS,Shared}/**/*'
   s.resources = 'Source/PrivacyInfo.xcprivacy'
 
   s.frameworks = 'Foundation'

Source/Shared/Configuration/DiskConfig.swift

@@ -10,7 +10,7 @@ public struct DiskConfig {
   public let maxSize: UInt
   /// A folder to store the disk cache contents. Defaults to a prefixed directory in Caches if nil
   public let directory: URL?
-  #if os(iOS) || os(tvOS)
+  #if os(iOS) || os(tvOS) || os(watchOS)
   /// Data protection is used to store files in an encrypted format on disk and to decrypt them on demand.
   /// Support only on iOS and tvOS.
   public let protectionType: FileProtectionType?

Source/Shared/Library/ImageWrapper.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-#if os(iOS) || os(tvOS) || os(macOS)
+#if os(iOS) || os(tvOS) || os(macOS) || os(watchOS)
 public struct ImageWrapper: Codable {
   public let image: Image
 

Source/Shared/Library/TransformerFactory.swift

@@ -9,7 +9,7 @@ public class TransformerFactory {
     return Transformer<Data>(toData: toData, fromData: fromData)
   }
 
-  #if os(iOS) || os(tvOS) || os(macOS) || os(visionOS)
+  #if os(iOS) || os(tvOS) || os(macOS) || os(watchOS) || os(visionOS)
   public static func forImage() -> Transformer<Image> {
     let toData: (Image) throws -> Data = { image in
       return try image.cache_toData().unwrapOrThrow(error: StorageError.transformerFail)

Source/Shared/Library/Types.swift

@@ -1,4 +1,4 @@
-#if os(iOS) || os(tvOS) || os(visionOS)
+#if os(iOS) || os(tvOS) || os(watchOS) || os(visionOS)
   import UIKit
   public typealias Image = UIImage
 #elseif os(watchOS)

Source/Shared/Storage/DiskStorage.swift

@@ -40,7 +40,7 @@ final public class DiskStorage<Key: Hashable, Value> {
     try createDirectory()
 
     // protection
-    #if os(iOS) || os(tvOS)
+    #if os(iOS) || os(tvOS) || os(watchOS)
     if let protectionType = config.protectionType {
       try setDirectoryAttributes([
         FileAttributeKey.protectionKey: protectionType

Source/Shared/Storage/Storage+Transform.swift

@@ -7,7 +7,7 @@ public extension Storage {
   }
 
 
-  #if os(iOS) || os(tvOS) || os(macOS)
+  #if os(iOS) || os(tvOS) || os(macOS) || os(watchOS)
   func transformImage() -> Storage<Key, Image> {
     let storage = transform(transformer: TransformerFactory.forImage())
     return storage

SupportFiles/watchOS/Info.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+</dict>
+</plist>