[Config] Consolidate Config and ConfigSwift

.github/workflows/remoteconfig.yml

@@ -60,7 +60,7 @@ jobs:
     strategy:
       matrix:
         target: [ios, tvos, macos, watchos]
-        podspec: [FirebaseRemoteConfig.podspec, FirebaseRemoteConfigSwift.podspec --skip-tests]
+        podspec: [FirebaseRemoteConfig.podspec, FirebaseRemoteConfigSwift.podspec --allow-warnings --skip-tests]
     steps:
     - uses: actions/checkout@v3
     - uses: ruby/setup-ruby@v1

FirebaseRemoteConfig.podspec

@@ -40,13 +40,15 @@ app update.
     'FirebaseABTesting/Sources/Private/*.h',
     'FirebaseCore/Extension/*.h',
     'FirebaseInstallations/Source/Library/Private/*.h',
+    'FirebaseRemoteConfig/Swift/**/*.swift',
   ]
   s.public_header_files = base_dir + 'Public/FirebaseRemoteConfig/*.h'
   s.pod_target_xcconfig = {
     'GCC_C_LANGUAGE_STANDARD' => 'c99',
     'HEADER_SEARCH_PATHS' => '"${PODS_TARGET_SRCROOT}"'
   }
   s.dependency 'FirebaseABTesting', '~> 10.0'
+  s.dependency 'FirebaseSharedSwift', '~> 10.0'
   s.dependency 'FirebaseCore', '~> 10.0'
   s.dependency 'FirebaseInstallations', '~> 10.0'
   s.dependency 'GoogleUtilities/Environment', '~> 7.8'

FirebaseRemoteConfig/CHANGELOG.md

@@ -1,3 +1,9 @@
+# Unreleased
+- [feature] The `FirebaseRemoteConfig` module now contains Firebase Remote
+  Config's Swift-only APIs that were previously only available via the
+  `FirebaseRemoteConfigSwift` extension SDK. See the
+  `FirebaseRemoteConfigSwift` release note from this release for more details.
+
 # 10.12.0
 - [fixed] Fix issue of real-time listeners not being properly removed. (#11458)
 - [fixed] Fix real-time fetches not being able to fetch the latest template due to an in-progress fetch. (#11465)

FirebaseRemoteConfigSwift/Sources/Codable.swift → FirebaseRemoteConfig/Swift/Codable.swift

@@ -15,7 +15,9 @@
  */
 
 import Foundation
-import FirebaseRemoteConfig
+#if SWIFT_PACKAGE
+  @_exported import FirebaseRemoteConfigInternal
+#endif // SWIFT_PACKAGE
 import FirebaseSharedSwift
 
 public enum RemoteConfigValueCodableError: Error {

FirebaseRemoteConfigSwift/Sources/FirebaseRemoteConfigValueDecoderHelper.swift → FirebaseRemoteConfig/Swift/FirebaseRemoteConfigValueDecoderHelper.swift

@@ -15,7 +15,9 @@
  */
 
 import Foundation
-import FirebaseRemoteConfig
+#if SWIFT_PACKAGE
+  @_exported import FirebaseRemoteConfigInternal
+#endif // SWIFT_PACKAGE
 import FirebaseSharedSwift
 
 /// Implement the FirebaseRemoteConfigValueDecoding protocol for the shared Firebase decoder to

FirebaseRemoteConfigSwift/Sources/PropertyWrapper/RemoteConfigProperty.swift → FirebaseRemoteConfig/Swift/PropertyWrapper/RemoteConfigProperty.swift

@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-import FirebaseRemoteConfig
+#if SWIFT_PACKAGE
+  @_exported import FirebaseRemoteConfigInternal
+#endif // SWIFT_PACKAGE
+
 import SwiftUI
 
 /// A property wrapper that listens to a Remote Config value.

FirebaseRemoteConfigSwift/Sources/PropertyWrapper/RemoteConfigValueObservable.swift → FirebaseRemoteConfig/Swift/PropertyWrapper/RemoteConfigValueObservable.swift

@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-import FirebaseRemoteConfig
+#if SWIFT_PACKAGE
+  @_exported import FirebaseRemoteConfigInternal
+#endif // SWIFT_PACKAGE
 import FirebaseCore
 import SwiftUI
 

FirebaseRemoteConfig/Swift/SPMSwiftHeaderWorkaround.swift

@@ -0,0 +1,30 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#if SWIFT_PACKAGE
+  @_exported import FirebaseRemoteConfigInternal
+
+  // This is a trick to force generate a `FirebaseRemoteConfig-Swift.h` header
+  // that re-exports `FirebaseRemoteConfigInternal` for Objective-C clients. It
+  // is important for the below code to reference a Remote Config symbol defined
+  // in Objective-C as that will import the symbol's module
+  // (`FirebaseRemoteConfigInternal`) in the generated header. This allows
+  // Objective-C clients to import Remote Config's Objective-C API using
+  // `@import FirebaseRemoteConfig;`. This API is not needed for Swift clients
+  // and is therefore unavailable in a Swift context.
+  @available(*, unavailable)
+  @objc public extension RemoteConfig {
+    static var __no_op: () -> Void { {} }
+  }
+#endif // SWIFT_PACKAGE

FirebaseRemoteConfigSwift/Sources/Value.swift → FirebaseRemoteConfig/Swift/Value.swift

@@ -15,7 +15,9 @@
  */
 
 import Foundation
-import FirebaseRemoteConfig
+#if SWIFT_PACKAGE
+  @_exported import FirebaseRemoteConfigInternal
+#endif // SWIFT_PACKAGE
 
 /// Implements subscript overloads to enable Remote Config values to be accessed
 /// in a type-safe way directly from the current config.

FirebaseRemoteConfigSwift.podspec

@@ -39,8 +39,7 @@ app update.
   ]
 
   s.dependency 'FirebaseCore', '~> 10.0'
-  s.dependency 'FirebaseRemoteConfig', '~> 10.0'
-  s.dependency 'FirebaseSharedSwift', '~> 10.0'
+  s.dependency 'FirebaseRemoteConfig', '~> 10.17'
 
   # Run Swift API tests on a real backend.
   s.test_spec 'swift-api-tests' do |swift_api|

FirebaseRemoteConfigSwift/CHANGELOG.md

@@ -1,3 +1,10 @@
+# Unreleased
+- [deprecated] All of the public API from `FirebaseRemoteConfigSwift` can now
+  be accessed through the `FirebaseRemoteConfig` module. Therefore,
+  `FirebaseRemoteConfigSwift` has been deprecated, and will be removed in a
+  future release. See https://firebase.google.com/docs/ios/swift-migration for
+  migration instructions.
+
 # 10.1.0
 - [fixed] Fix CocoaPods release did not include the RemoteConfigProperty feature. (#10371)
 

FirebaseRemoteConfigSwift/Sources/FirebaseRemoteConfigSwift.swift

@@ -0,0 +1,24 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#warning(
+  "All of the public API from `FirebaseRemoteConfigSwift` can now be accessed through the `FirebaseRemoteConfig` module. Therefore, the `FirebaseRemoteConfigSwift` module is deprecated and will be removed in the future. See https://firebase.google.com/docs/ios/swift-migration for migration instructions."
+)
+
+// The `@_exported` is needed to prevent breaking clients that are using
+// types prefixed with the `FirebaseRemoteConfigSwift` module name (e.g.
+// `FirebaseRemoteConfigSwift.RemoteConfigValueCodableError`).
+@_exported import enum FirebaseRemoteConfig.RemoteConfigValueCodableError
+@_exported import enum FirebaseRemoteConfig.RemoteConfigCodableError
+@_exported import struct FirebaseRemoteConfig.RemoteConfigProperty

FirebaseRemoteConfigSwift/Tests/SwiftAPI/Codable.swift

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 import FirebaseRemoteConfig
-import FirebaseRemoteConfigSwift
 
 import XCTest
 

FirebaseRemoteConfigSwift/Tests/SwiftAPI/PropertyWrapperDefaultConfigsTests.swift

@@ -16,7 +16,7 @@
 
 import FirebaseCore
 import FirebaseRemoteConfig
-import FirebaseRemoteConfigSwift
+
 import XCTest
 
 let ConfigKeyForThisTestOnly = "PropertyWrapperDefaultConfigsTestsKey"

FirebaseRemoteConfigSwift/Tests/SwiftAPI/PropertyWrapperTests.swift

@@ -15,7 +15,7 @@
  */
 
 import FirebaseRemoteConfig
-import FirebaseRemoteConfigSwift
+
 import XCTest
 
 #if compiler(>=5.5.2) && canImport(_Concurrency)

FirebaseRemoteConfigSwift/Tests/SwiftAPI/Value.swift

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 import FirebaseRemoteConfig
-import FirebaseRemoteConfigSwift
 
 import XCTest
 

Package.swift

@@ -894,7 +894,10 @@ let package = Package(
       dependencies: [
         "FirebaseCore",
         "FirebaseInstallations",
-        "FirebaseRemoteConfig",
+        // Performance depends on the Obj-C target of FirebaseRemoteConfig to
+        // avoid including Swift code from the `FirebaseRemoteConfig` target
+        // that is unneeded.
+        "FirebaseRemoteConfigInternal",
         "FirebaseSessions",
         .product(name: "GoogleDataTransport", package: "GoogleDataTransport"),
         .product(name: "GULEnvironment", package: "GoogleUtilities"),
@@ -958,7 +961,7 @@ let package = Package(
     // MARK: - Firebase Remote Config
 
     .target(
-      name: "FirebaseRemoteConfig",
+      name: "FirebaseRemoteConfigInternal",
       dependencies: [
         "FirebaseCore",
         "FirebaseABTesting",
@@ -973,7 +976,7 @@ let package = Package(
     ),
     .testTarget(
       name: "RemoteConfigUnit",
-      dependencies: ["FirebaseRemoteConfig", .product(name: "OCMock", package: "ocmock")],
+      dependencies: ["FirebaseRemoteConfigInternal", .product(name: "OCMock", package: "ocmock")],
       path: "FirebaseRemoteConfig/Tests/Unit",
       exclude: [
         // Need to be evaluated/ported to RC V2.
@@ -992,17 +995,25 @@ let package = Package(
         .headerSearchPath("../../.."),
       ]
     ),
+    .target(
+      name: "FirebaseRemoteConfig",
+      dependencies: [
+        "FirebaseRemoteConfigInternal",
+        "FirebaseSharedSwift",
+      ],
+      path: "FirebaseRemoteConfig/Swift"
+    ),
     .target(
       name: "FirebaseRemoteConfigSwift",
       dependencies: [
         "FirebaseRemoteConfig",
-        "FirebaseSharedSwift",
       ],
       path: "FirebaseRemoteConfigSwift/Sources"
     ),
     .testTarget(
       name: "RemoteConfigFakeConsole",
-      dependencies: ["FirebaseRemoteConfigSwift",
+      dependencies: ["FirebaseRemoteConfig",
+                     "FirebaseRemoteConfigSwift",
                      "RemoteConfigFakeConsoleObjC"],
       path: "FirebaseRemoteConfigSwift/Tests",
       exclude: [

ReleaseTooling/Sources/FirebaseManifest/FirebaseManifest.swift

@@ -40,7 +40,7 @@ public let shared = Manifest(
     Pod("FirebaseABTesting", zip: true),
     Pod("FirebaseAppCheck", zip: true),
     Pod("FirebaseRemoteConfig"),
-    Pod("FirebaseRemoteConfigSwift", zip: true),
+    Pod("FirebaseRemoteConfigSwift", allowWarnings: true, zip: true),
     Pod("FirebaseAppDistribution", isBeta: true, platforms: ["ios"], zip: true),
     Pod("FirebaseAuth", zip: true),
     Pod("FirebaseCrashlytics", zip: true),