Add native bridging support

Package.swift

@@ -5,6 +5,7 @@
 // Swift Package, Sources, and Tests into an
 // Android Gradle Project with Kotlin sources and JUnit tests.
 import PackageDescription
+import Foundation
 
 let package = Package(
     name: "skip-keychain",
@@ -22,3 +23,10 @@ let package = Package(
         .testTarget(name: "SkipKeychainTests", dependencies: ["SkipKeychain", .product(name: "SkipTest", package: "skip")], plugins: [.plugin(name: "skipstone", package: "skip")]),
     ]
 )
+
+if ProcessInfo.processInfo.environment["SKIP_BRIDGE"] ?? "0" != "0" {
+    package.dependencies += [.package(url: "https://source.skip.tools/skip-bridge.git", "0.0.0"..<"2.0.0")]
+    package.targets.forEach({ target in
+        target.dependencies += [.product(name: "SkipBridge", package: "skip-bridge")]
+    })
+}

Sources/SkipKeychain/Skip/skip.yml

@@ -1,6 +1,9 @@
 # Configuration file for https://skip.tools project
 #
 # Kotlin dependencies and Gradle build options for this module can be configured here
+skip:
+  bridging: true
+
 build:
   contents:
     - block: 'dependencies'

Sources/SkipKeychain/SkipKeychain.swift

@@ -3,6 +3,7 @@
 // This is free software: you can redistribute and/or modify it
 // under the terms of the GNU Lesser General Public License 3.0
 // as published by the Free Software Foundation https://fsf.org
+#if !SKIP_BRIDGE
 import Foundation
 #if !SKIP
 import Security
@@ -187,8 +188,7 @@ public struct Keychain {
     #endif
 
     /// Return the set of all stored keys.
-    public var keys: [String] {
-        get throws {
+    public func keys() throws -> [String] {
             #if !SKIP
             lock.lock()
             defer { lock.unlock() }
@@ -213,7 +213,6 @@ public struct Keychain {
             #else
             return Array(initializePreferences().getAll().keys)
             #endif
-        }
     }
 
     /// Remove all stored key value pairs.
@@ -292,3 +291,4 @@ public struct KeychainError: Error, CustomStringConvertible {
         return message
     }
 }
+#endif

Tests/SkipKeychainTests/SkipKeychainTests.swift

@@ -49,9 +49,9 @@ final class SkipKeychainTests: XCTestCase {
         try skipiOSSimulator()
         let keychain = Keychain.shared
         try keychain.removeValue(forKey: key)
-        try XCTAssertFalse(keychain.keys.contains(key))
+        try XCTAssertFalse(keychain.keys().contains(key))
         try keychain.set("value", forKey: key)
-        try XCTAssertTrue(keychain.keys.contains(key))
+        try XCTAssertTrue(keychain.keys().contains(key))
     }
 
     func testBool() throws {