BridgeJS: Update JSUndefinedOr APIs

kateinoigakukun · kateinoigakukun · commit 935130c27b45 · 2026-02-10T11:12:54.000+09:00
- Rename `optionalRepresentation` to `asOptional`.
- Remove `undefinedValue` static property and use `.undefined` case directly.
diff --git a/Plugins/BridgeJS/Sources/BridgeJSCore/ExportSwift.swift b/Plugins/BridgeJS/Sources/BridgeJSCore/ExportSwift.swift
@@ -156,7 +156,7 @@ public class ExportSwift {
                     let absentExpr =
                         kind == .null
                         ? "\(optionalSwiftType)<[\(swiftTypeName)]>.none"
-                        : "\(optionalSwiftType)<[\(swiftTypeName)]>.undefinedValue"
+                        : "\(optionalSwiftType)<[\(swiftTypeName)]>.undefined"
                     liftingExpr = ExprSyntax(
                         """
                         {
@@ -934,7 +934,7 @@ struct StackCodegen {
             let swiftTypeName = elementType.swiftType
             let absentExpr =
                 kind == .null
-                ? "\(typeName)<[\(swiftTypeName)]>.none" : "\(typeName)<[\(swiftTypeName)]>.undefinedValue"
+                ? "\(typeName)<[\(swiftTypeName)]>.none" : "\(typeName)<[\(swiftTypeName)]>.undefined"
             return """
                 {
                     let __isSome = _swift_js_pop_i32()
@@ -951,7 +951,7 @@ struct StackCodegen {
             let absentExpr =
                 kind == .null
                 ? "\(typeName)<[String: \(swiftTypeName)]>.none"
-                : "\(typeName)<[String: \(swiftTypeName)]>.undefinedValue"
+                : "\(typeName)<[String: \(swiftTypeName)]>.undefined"
             return """
                 {
                     let __isSome = _swift_js_pop_i32()
diff --git a/Sources/JavaScriptKit/BridgeJSIntrinsics.swift b/Sources/JavaScriptKit/BridgeJSIntrinsics.swift
@@ -143,7 +143,7 @@ public protocol _BridgedSwiftStackType {
 /// Used by JSUndefinedOr so all bridge methods delegate to Optional<Wrapped>.
 public protocol _BridgedAsOptional {
     associatedtype Wrapped
-    var optionalRepresentation: Wrapped? { get }
+    var asOptional: Wrapped? { get }
     init(optional: Wrapped?)
 }
 
@@ -2019,7 +2019,7 @@ extension Optional where Wrapped: _BridgedSwiftStruct {
 
 extension _BridgedAsOptional where Wrapped == Bool {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {
@@ -2035,13 +2035,13 @@ extension _BridgedAsOptional where Wrapped == Bool {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped == Int {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {
@@ -2057,13 +2057,13 @@ extension _BridgedAsOptional where Wrapped == Int {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped == UInt {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {
@@ -2079,13 +2079,13 @@ extension _BridgedAsOptional where Wrapped == UInt {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped == String {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(
@@ -2105,13 +2105,13 @@ extension _BridgedAsOptional where Wrapped == String {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped == JSObject {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ objectId: Int32) -> Self {
@@ -2123,7 +2123,7 @@ extension _BridgedAsOptional where Wrapped == JSObject {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
@@ -2133,20 +2133,20 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftProtocolWrapper {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped: _BridgedSwiftHeapObject {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, pointer: UnsafeMutableRawPointer)
     {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameterWithRetain() -> (
         isSome: Int32, pointer: UnsafeMutableRawPointer
     ) {
-        optionalRepresentation.bridgeJSLowerParameterWithRetain()
+        asOptional.bridgeJSLowerParameterWithRetain()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(
@@ -2165,13 +2165,13 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftHeapObject {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped == Float {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float32) -> Self {
@@ -2187,13 +2187,13 @@ extension _BridgedAsOptional where Wrapped == Float {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped == Double {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float64) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float64) -> Self {
@@ -2209,13 +2209,13 @@ extension _BridgedAsOptional where Wrapped == Double {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped: _BridgedSwiftCaseEnum {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ caseId: Int32) -> Self {
@@ -2231,20 +2231,20 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftCaseEnum {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped: _BridgedSwiftTypeLoweredIntoVoidType {
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional
 where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == String {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(
@@ -2264,14 +2264,14 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional
 where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == Int {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {
@@ -2287,7 +2287,7 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
@@ -2302,14 +2302,14 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional
 where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == Float {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float32) -> Self {
@@ -2325,14 +2325,14 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional
 where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == Double {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float64) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float64) -> Self {
@@ -2348,13 +2348,13 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
 extension _BridgedAsOptional where Wrapped: _BridgedSwiftAssociatedValueEnum {
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, caseId: Int32) {
-        optionalRepresentation.bridgeJSLowerParameter()
+        asOptional.bridgeJSLowerParameter()
     }
 
     @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ caseId: Int32) -> Self {
@@ -2370,7 +2370,7 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftAssociatedValueEnum {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
@@ -2384,7 +2384,7 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftStruct {
     }
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {
-        optionalRepresentation.bridgeJSLowerReturn()
+        asOptional.bridgeJSLowerReturn()
     }
 }
 
@@ -2526,7 +2526,7 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftDictionaryStackType {
     typealias DictionaryValue = Wrapped.DictionaryValue
 
     @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> Int32 {
-        let opt = optionalRepresentation
+        let opt = asOptional
         if let dict = opt {
             dict.bridgeJSLowerReturn()
             return 1
diff --git a/Sources/JavaScriptKit/JSUndefinedOr.swift b/Sources/JavaScriptKit/JSUndefinedOr.swift
@@ -1,17 +1,28 @@
+/// A wrapper that represents a JavaScript value of `Wrapped | undefined`.
+///
+/// In BridgeJS, `Optional<Wrapped>` is bridged as `Wrapped | null`.
+/// Use `JSUndefinedOr<Wrapped>` when the JavaScript API expects
+/// `Wrapped | undefined` instead.
 @frozen public enum JSUndefinedOr<Wrapped> {
+    /// The JavaScript value is `undefined`.
     case undefined
+    /// The JavaScript value is present and wrapped.
     case value(Wrapped)
 
-    /// Convenience accessor for the undefined case.
-    public static var undefinedValue: Self { .undefined }
-
+    /// Creates a wrapper from a Swift optional.
+    ///
+    /// - Parameter optional: The optional value to wrap.
+    ///   `nil` becomes ``undefined`` and a non-`nil` value becomes ``value(_:)``.
     @inlinable
     public init(optional: Wrapped?) {
         self = optional.map(Self.value) ?? .undefined
     }
 
+    /// Returns the wrapped value as a Swift optional.
+    ///
+    /// Returns `nil` when this value is ``undefined``.
     @inlinable
-    public var optionalRepresentation: Wrapped? {
+    public var asOptional: Wrapped? {
         switch self {
         case .undefined:
             return nil
diff --git a/Tests/BridgeJSRuntimeTests/DictionaryTests.swift b/Tests/BridgeJSRuntimeTests/DictionaryTests.swift
@@ -57,7 +57,7 @@ final class DictionaryTests: XCTestCase {
 
     func testRoundTripOptionalDictionaryUndefined() throws {
         let some: JSUndefinedOr<[String: Int]> = .value(["n": 42])
-        let undefined: JSUndefinedOr<[String: Int]> = .undefinedValue
+        let undefined: JSUndefinedOr<[String: Int]> = .undefined
 
         let returnedSome = try jsRoundTripUndefinedDictionary(some)
         switch returnedSome {
diff --git a/Tests/BridgeJSRuntimeTests/OptionalSupportTests.swift b/Tests/BridgeJSRuntimeTests/OptionalSupportTests.swift
@@ -23,7 +23,7 @@ final class OptionalSupportTests: XCTestCase {
             XCTFail("Expected defined value")
         }
 
-        let undefined = try jsRoundTripOptionalStringUndefined(.undefinedValue)
+        let undefined = try jsRoundTripOptionalStringUndefined(.undefined)
         if case .value = undefined {
             XCTFail("Expected undefined")
         }

Original file line number	Diff line number	Diff line change
`@@ -143,7 +143,7 @@ public protocol _BridgedSwiftStackType {`
`143`	`143`	`/// Used by JSUndefinedOr so all bridge methods delegate to Optional<Wrapped>.`
`144`	`144`	`public protocol _BridgedAsOptional {`
`145`	`145`	`associatedtype Wrapped`
`146`		`- var optionalRepresentation: Wrapped? { get }`
	`146`	`+ var asOptional: Wrapped? { get }`
`147`	`147`	`init(optional: Wrapped?)`
`148`	`148`	`}`
`149`	`149`
`@@ -2019,7 +2019,7 @@ extension Optional where Wrapped: _BridgedSwiftStruct {`
`2019`	`2019`
`2020`	`2020`	`extension _BridgedAsOptional where Wrapped == Bool {`
`2021`	`2021`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2022`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2022`	`+ asOptional.bridgeJSLowerParameter()`
`2023`	`2023`	`}`
`2024`	`2024`
`2025`	`2025`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {`
`@@ -2035,13 +2035,13 @@ extension _BridgedAsOptional where Wrapped == Bool {`
`2035`	`2035`	`}`
`2036`	`2036`
`2037`	`2037`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2038`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2038`	`+ asOptional.bridgeJSLowerReturn()`
`2039`	`2039`	`}`
`2040`	`2040`	`}`
`2041`	`2041`
`2042`	`2042`	`extension _BridgedAsOptional where Wrapped == Int {`
`2043`	`2043`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2044`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2044`	`+ asOptional.bridgeJSLowerParameter()`
`2045`	`2045`	`}`
`2046`	`2046`
`2047`	`2047`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {`
`@@ -2057,13 +2057,13 @@ extension _BridgedAsOptional where Wrapped == Int {`
`2057`	`2057`	`}`
`2058`	`2058`
`2059`	`2059`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2060`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2060`	`+ asOptional.bridgeJSLowerReturn()`
`2061`	`2061`	`}`
`2062`	`2062`	`}`
`2063`	`2063`
`2064`	`2064`	`extension _BridgedAsOptional where Wrapped == UInt {`
`2065`	`2065`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2066`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2066`	`+ asOptional.bridgeJSLowerParameter()`
`2067`	`2067`	`}`
`2068`	`2068`
`2069`	`2069`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {`
`@@ -2079,13 +2079,13 @@ extension _BridgedAsOptional where Wrapped == UInt {`
`2079`	`2079`	`}`
`2080`	`2080`
`2081`	`2081`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2082`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2082`	`+ asOptional.bridgeJSLowerReturn()`
`2083`	`2083`	`}`
`2084`	`2084`	`}`
`2085`	`2085`
`2086`	`2086`	`extension _BridgedAsOptional where Wrapped == String {`
`2087`	`2087`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2088`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2088`	`+ asOptional.bridgeJSLowerParameter()`
`2089`	`2089`	`}`
`2090`	`2090`
`2091`	`2091`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(`
`@@ -2105,13 +2105,13 @@ extension _BridgedAsOptional where Wrapped == String {`
`2105`	`2105`	`}`
`2106`	`2106`
`2107`	`2107`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2108`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2108`	`+ asOptional.bridgeJSLowerReturn()`
`2109`	`2109`	`}`
`2110`	`2110`	`}`
`2111`	`2111`
`2112`	`2112`	`extension _BridgedAsOptional where Wrapped == JSObject {`
`2113`	`2113`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2114`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2114`	`+ asOptional.bridgeJSLowerParameter()`
`2115`	`2115`	`}`
`2116`	`2116`
`2117`	`2117`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ objectId: Int32) -> Self {`
`@@ -2123,7 +2123,7 @@ extension _BridgedAsOptional where Wrapped == JSObject {`
`2123`	`2123`	`}`
`2124`	`2124`
`2125`	`2125`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2126`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2126`	`+ asOptional.bridgeJSLowerReturn()`
`2127`	`2127`	`}`
`2128`	`2128`	`}`
`2129`	`2129`
`@@ -2133,20 +2133,20 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftProtocolWrapper {`
`2133`	`2133`	`}`
`2134`	`2134`
`2135`	`2135`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2136`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2136`	`+ asOptional.bridgeJSLowerReturn()`
`2137`	`2137`	`}`
`2138`	`2138`	`}`
`2139`	`2139`
`2140`	`2140`	`extension _BridgedAsOptional where Wrapped: _BridgedSwiftHeapObject {`
`2141`	`2141`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, pointer: UnsafeMutableRawPointer)`
`2142`	`2142`	`{`
`2143`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2143`	`+ asOptional.bridgeJSLowerParameter()`
`2144`	`2144`	`}`
`2145`	`2145`
`2146`	`2146`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameterWithRetain() -> (`
`2147`	`2147`	`isSome: Int32, pointer: UnsafeMutableRawPointer`
`2148`	`2148`	`) {`
`2149`		`- optionalRepresentation.bridgeJSLowerParameterWithRetain()`
	`2149`	`+ asOptional.bridgeJSLowerParameterWithRetain()`
`2150`	`2150`	`}`
`2151`	`2151`
`2152`	`2152`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(`
`@@ -2165,13 +2165,13 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftHeapObject {`
`2165`	`2165`	`}`
`2166`	`2166`
`2167`	`2167`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2168`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2168`	`+ asOptional.bridgeJSLowerReturn()`
`2169`	`2169`	`}`
`2170`	`2170`	`}`
`2171`	`2171`
`2172`	`2172`	`extension _BridgedAsOptional where Wrapped == Float {`
`2173`	`2173`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float32) {`
`2174`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2174`	`+ asOptional.bridgeJSLowerParameter()`
`2175`	`2175`	`}`
`2176`	`2176`
`2177`	`2177`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float32) -> Self {`
`@@ -2187,13 +2187,13 @@ extension _BridgedAsOptional where Wrapped == Float {`
`2187`	`2187`	`}`
`2188`	`2188`
`2189`	`2189`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2190`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2190`	`+ asOptional.bridgeJSLowerReturn()`
`2191`	`2191`	`}`
`2192`	`2192`	`}`
`2193`	`2193`
`2194`	`2194`	`extension _BridgedAsOptional where Wrapped == Double {`
`2195`	`2195`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float64) {`
`2196`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2196`	`+ asOptional.bridgeJSLowerParameter()`
`2197`	`2197`	`}`
`2198`	`2198`
`2199`	`2199`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float64) -> Self {`
`@@ -2209,13 +2209,13 @@ extension _BridgedAsOptional where Wrapped == Double {`
`2209`	`2209`	`}`
`2210`	`2210`
`2211`	`2211`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2212`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2212`	`+ asOptional.bridgeJSLowerReturn()`
`2213`	`2213`	`}`
`2214`	`2214`	`}`
`2215`	`2215`
`2216`	`2216`	`extension _BridgedAsOptional where Wrapped: _BridgedSwiftCaseEnum {`
`2217`	`2217`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2218`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2218`	`+ asOptional.bridgeJSLowerParameter()`
`2219`	`2219`	`}`
`2220`	`2220`
`2221`	`2221`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ caseId: Int32) -> Self {`
`@@ -2231,20 +2231,20 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftCaseEnum {`
`2231`	`2231`	`}`
`2232`	`2232`
`2233`	`2233`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2234`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2234`	`+ asOptional.bridgeJSLowerReturn()`
`2235`	`2235`	`}`
`2236`	`2236`	`}`
`2237`	`2237`
`2238`	`2238`	`extension _BridgedAsOptional where Wrapped: _BridgedSwiftTypeLoweredIntoVoidType {`
`2239`	`2239`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2240`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2240`	`+ asOptional.bridgeJSLowerReturn()`
`2241`	`2241`	`}`
`2242`	`2242`	`}`
`2243`	`2243`
`2244`	`2244`	`extension _BridgedAsOptional`
`2245`	`2245`	`where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == String {`
`2246`	`2246`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2247`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2247`	`+ asOptional.bridgeJSLowerParameter()`
`2248`	`2248`	`}`
`2249`	`2249`
`2250`	`2250`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(`
`@@ -2264,14 +2264,14 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra`
`2264`	`2264`	`}`
`2265`	`2265`
`2266`	`2266`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2267`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2267`	`+ asOptional.bridgeJSLowerReturn()`
`2268`	`2268`	`}`
`2269`	`2269`	`}`
`2270`	`2270`
`2271`	`2271`	`extension _BridgedAsOptional`
`2272`	`2272`	`where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == Int {`
`2273`	`2273`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Int32) {`
`2274`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2274`	`+ asOptional.bridgeJSLowerParameter()`
`2275`	`2275`	`}`
`2276`	`2276`
`2277`	`2277`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Int32) -> Self {`
`@@ -2287,7 +2287,7 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra`
`2287`	`2287`	`}`
`2288`	`2288`
`2289`	`2289`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2290`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2290`	`+ asOptional.bridgeJSLowerReturn()`
`2291`	`2291`	`}`
`2292`	`2292`	`}`
`2293`	`2293`
`@@ -2302,14 +2302,14 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra`
`2302`	`2302`	`}`
`2303`	`2303`
`2304`	`2304`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2305`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2305`	`+ asOptional.bridgeJSLowerReturn()`
`2306`	`2306`	`}`
`2307`	`2307`	`}`
`2308`	`2308`
`2309`	`2309`	`extension _BridgedAsOptional`
`2310`	`2310`	`where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == Float {`
`2311`	`2311`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float32) {`
`2312`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2312`	`+ asOptional.bridgeJSLowerParameter()`
`2313`	`2313`	`}`
`2314`	`2314`
`2315`	`2315`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float32) -> Self {`
`@@ -2325,14 +2325,14 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra`
`2325`	`2325`	`}`
`2326`	`2326`
`2327`	`2327`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2328`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2328`	`+ asOptional.bridgeJSLowerReturn()`
`2329`	`2329`	`}`
`2330`	`2330`	`}`
`2331`	`2331`
`2332`	`2332`	`extension _BridgedAsOptional`
`2333`	`2333`	`where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.RawValue == Double {`
`2334`	`2334`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, value: Float64) {`
`2335`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2335`	`+ asOptional.bridgeJSLowerParameter()`
`2336`	`2336`	`}`
`2337`	`2337`
`2338`	`2338`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ wrappedValue: Float64) -> Self {`
`@@ -2348,13 +2348,13 @@ where Wrapped: _BridgedSwiftEnumNoPayload, Wrapped: RawRepresentable, Wrapped.Ra`
`2348`	`2348`	`}`
`2349`	`2349`
`2350`	`2350`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2351`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2351`	`+ asOptional.bridgeJSLowerReturn()`
`2352`	`2352`	`}`
`2353`	`2353`	`}`
`2354`	`2354`
`2355`	`2355`	`extension _BridgedAsOptional where Wrapped: _BridgedSwiftAssociatedValueEnum {`
`2356`	`2356`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (isSome: Int32, caseId: Int32) {`
`2357`		`- optionalRepresentation.bridgeJSLowerParameter()`
	`2357`	`+ asOptional.bridgeJSLowerParameter()`
`2358`	`2358`	`}`
`2359`	`2359`
`2360`	`2360`	`@_spi(BridgeJS) public static func bridgeJSLiftParameter(_ isSome: Int32, _ caseId: Int32) -> Self {`
`@@ -2370,7 +2370,7 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftAssociatedValueEnum {`
`2370`	`2370`	`}`
`2371`	`2371`
`2372`	`2372`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2373`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2373`	`+ asOptional.bridgeJSLowerReturn()`
`2374`	`2374`	`}`
`2375`	`2375`	`}`
`2376`	`2376`
`@@ -2384,7 +2384,7 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftStruct {`
`2384`	`2384`	`}`
`2385`	`2385`
`2386`	`2386`	`@_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void {`
`2387`		`- optionalRepresentation.bridgeJSLowerReturn()`
	`2387`	`+ asOptional.bridgeJSLowerReturn()`
`2388`	`2388`	`}`
`2389`	`2389`	`}`
`2390`	`2390`
`@@ -2526,7 +2526,7 @@ extension _BridgedAsOptional where Wrapped: _BridgedSwiftDictionaryStackType {`
`2526`	`2526`	`typealias DictionaryValue = Wrapped.DictionaryValue`
`2527`	`2527`
`2528`	`2528`	`@_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> Int32 {`
`2529`		`- let opt = optionalRepresentation`
	`2529`	`+ let opt = asOptional`
`2530`	`2530`	`if let dict = opt {`
`2531`	`2531`	`dict.bridgeJSLowerReturn()`
`2532`	`2532`	`return 1`
Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@ final class OptionalSupportTests: XCTestCase {`
`23`	`23`	`XCTFail("Expected defined value")`
`24`	`24`	`}`
`25`	`25`
`26`		`- let undefined = try jsRoundTripOptionalStringUndefined(.undefinedValue)`
	`26`	`+ let undefined = try jsRoundTripOptionalStringUndefined(.undefined)`
`27`	`27`	`if case .value = undefined {`
`28`	`28`	`XCTFail("Expected undefined")`
`29`	`29`	`}`