Remove value wrapper from CodableBridge (#151)

Fixes #32

Sources/Defaults/Defaults+Bridge.swift

@@ -12,13 +12,10 @@ extension Defaults.CodableBridge {
 		}
 
 		do {
-			// Some codable values like URL and enum are encoded as a top-level
-			// string which JSON can't handle, so we need to wrap it in an array
-			// We need this: https://forums.swift.org/t/allowing-top-level-fragments-in-jsondecoder/11750
 			let jsonEncoder = JSONEncoder()
 			jsonEncoder.outputFormatting = .sortedKeys
-			let data = try jsonEncoder.encode([value])
-			return String(String(data: data, encoding: .utf8)!.dropFirst().dropLast())
+			let data = try jsonEncoder.encode(value)
+			return String(data: data, encoding: .utf8)
 		} catch {
 			print(error)
 			return nil
@@ -30,7 +27,7 @@ extension Defaults.CodableBridge {
 			return nil
 		}
 
-		return [Value].init(jsonString: "[\(object)]")?.first
+		return Value(jsonString: object)
 	}
 }
 

Tests/DefaultsTests/DefaultsCodableTests.swift

@@ -128,6 +128,19 @@ final class DefaultsCodableTests: XCTestCase {
 		XCTAssertFalse(Defaults[key]["0"]?[1].isUnicorn ?? true)
 	}
 
+	func testCodableAndRawRepresentable() {
+		struct Unicorn: Codable, RawRepresentable, Defaults.Serializable {
+			var rawValue: String
+		}
+
+		let fixture = Unicorn(rawValue: "x")
+
+		let key = Defaults.Key<Unicorn?>("independentKey_codableAndRawRepresentable")
+		Defaults[key] = fixture
+		XCTAssertEqual(Defaults[key]?.rawValue, fixture.rawValue)
+		XCTAssertEqual(UserDefaults.standard.string(forKey: key.name), #""\#(fixture.rawValue)""#)
+	}
+
 	func testType() {
 		XCTAssertTrue(Defaults[.codable].isUnicorn)
 		Defaults[.codable] = Unicorn(isUnicorn: false)