feat: Adds watchOS / tvOS support (#67)

## This PR
- Adds support for `watchOS 7` and `tvOS 14` to the Swift SDK, matching
the iOS minimum target version.
- Updates tests to run against `iOS` / `macOS` / `watchOS` / `tvOS`

---------

Signed-off-by: Jonathan Norris <[email protected]>

Author: jonathannorris

.github/workflows/ci.yaml

@@ -3,24 +3,43 @@ name: CI
 on:
   pull_request:
     branches:
-      - 'main'
+      - "main"
   push:
     branches:
-      - 'main'
+      - "main"
 
 jobs:
   Tests:
     runs-on: macOS-latest
+    strategy:
+      matrix:
+        platform: [iOS, macOS, watchOS, tvOS]
+        include:
+          - platform: iOS
+            destination: "platform=iOS Simulator,name=iPhone 15"
+          - platform: macOS
+            destination: "platform=macOS"
+          - platform: watchOS
+            destination: "platform=watchOS Simulator,name=Apple Watch Series 10 (42mm)"
+          - platform: tvOS
+            destination: "platform=tvOS Simulator,name=Apple TV 4K (3rd generation)"
     steps:
-    - uses: actions/checkout@v4
-    - name: Build and Test
-      run: swift test
+      - uses: actions/checkout@v4
+      - name: Build and Test on ${{ matrix.platform }}
+        run: |
+          if [ "${{ matrix.platform }}" = "macOS" ]; then
+            swift test
+          else
+            xcodebuild test \
+              -scheme OpenFeature \
+              -destination "${{ matrix.destination }}"
+          fi
 
   SwiftLint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - name: GitHub Action for SwiftLint
-      uses: norio-nomura/[email protected]
-      with:
-        args: --config .swiftlint.yml
+      - uses: actions/checkout@v4
+      - name: GitHub Action for SwiftLint
+        uses: norio-nomura/[email protected]
+        with:
+          args: --config .swiftlint.yml

OpenFeature.podspec

@@ -3,7 +3,7 @@ Pod::Spec.new do |s|
   s.version          = '0.3.0' # x-release-please-version
   s.summary          = 'OpenFeature iOS SDK'
   s.description      = <<-DESC
-OpenFeature is an open specification that provides a vendor-agnostic, community-driven API for feature flagging that works with your favorite feature flag management tool or in-house solution.
+OpenFeature is an open specification that provides a vendor-agnostic, community-driven API for feature flagging that works with your favorite feature flag management tool or in-house solution. This Swift SDK supports iOS, macOS, watchOS, and tvOS.
                        DESC
   s.homepage         = 'https://github.com/open-feature/swift-sdk'
   s.license          = { :type => 'Apache-2.0', :file => 'LICENSE' }
@@ -12,6 +12,8 @@ OpenFeature is an open specification that provides a vendor-agnostic, community-
 
   s.ios.deployment_target = '14.0'
   s.osx.deployment_target = '11.0'
+  s.watchos.deployment_target = '7.0'
+  s.tvos.deployment_target = '14.0'
   s.swift_version = '5.5'
 
   s.source_files = 'Sources/OpenFeature/**/*'

Package.swift

@@ -8,14 +8,15 @@ let package = Package(
     platforms: [
         .iOS(.v14),
         .macOS(.v11),
+        .watchOS(.v7),
+        .tvOS(.v14),
     ],
     products: [
         .library(
             name: "OpenFeature",
-            targets: ["OpenFeature"]),
-    ],
-    dependencies: [
+            targets: ["OpenFeature"])
     ],
+    dependencies: [],
     targets: [
         .target(
             name: "OpenFeature",

README.md

@@ -36,9 +36,13 @@
 
 ### Requirements
 
-- The minimum iOS version supported is: `iOS 14`.
+This SDK supports the following Apple platforms:
+- **iOS 14+**
+- **macOS 11+**
+- **watchOS 7+**
+- **tvOS 14+**
 
-Note that this library is intended to be used in a mobile context, and has not been evaluated for use in other type of applications (e.g. server applications, macOS, tvOS, watchOS, etc.).
+The SDK is built with Swift 5.5+ and uses only Foundation and Combine frameworks, making it suitable for all Apple platform contexts including mobile, desktop, wearable, and TV applications.
 
 ### Install
 
@@ -85,7 +89,7 @@ Then, run:
 pod install
 ```
 
-### Usage
+### iOS Usage
 
 ```swift
 import OpenFeature