Nov 17, 2024
diff --git a/Sources/JavaScriptKit/FundamentalObjects/JSObject.swift b/Sources/JavaScriptKit/FundamentalObjects/JSObject.swift
    /// - Parameter name: The name of this object's member to access.
    /// - Returns: The `name` member method binding this object as `this` context.
    @_disfavoredOverload
    public subscript(_ name: String) ->((ConvertibleToJSValue...) -> JSValue)? {
    public subscript(_ name: String) ->DiscardableResultClosure? {
        guard let function = self[name].function else { return nil }
        return{ (arguments: ConvertibleToJSValue...) in
        returnDiscardableResultClosure {arguments in
            function(this: self, arguments: arguments)
        }
    }
    /// - Parameter name: The name of this object's member to access.
    /// - Returns: The `name` member method binding this object as `this` context.
    @_disfavoredOverload
    public subscript(_ name: JSString) ->((ConvertibleToJSValue...) -> JSValue)? {
    public subscript(_ name: JSString) ->DiscardableResultClosure? {
        guard let function = self[name].function else { return nil }
        return{ (arguments: ConvertibleToJSValue...) in
        returnDiscardableResultClosure {arguments in
            function(this: self, arguments: arguments)
        }
    }

    /// A convenience method of `subscript(_ name: String) -> ((ConvertibleToJSValue...) -> JSValue)?`
    /// to access the member through Dynamic Member Lookup.
    @_disfavoredOverload
    public subscript(dynamicMember name: String) ->((ConvertibleToJSValue...) -> JSValue)? {
    public subscript(dynamicMember name: String) ->DiscardableResultClosure? {
        self[name]
    }
 #endif
 #endif


 #if !hasFeature(Embedded)
 /// A swift closure wrapper that can be called as function.
 /// This prevents the warnings for unused results through `@discardableResult` which means you no longer need `_ =` everywhere.
 public struct DiscardableResultClosure {
    var closure: ([ConvertibleToJSValue]) -> JSValue

    @discardableResult
    public func callAsFunction(_ args: ConvertibleToJSValue...) -> JSValue {
        return self.closure(args)
    }
 }
 #endif

 #if hasFeature(Embedded)
 // NOTE: once embedded supports variadic generics, we can remove these overloads
 public extension JSObject {
diff --git a/Sources/JavaScriptKit/JSValue.swift b/Sources/JavaScriptKit/JSValue.swift
 #if !hasFeature(Embedded)
    /// An unsafe convenience method of `JSObject.subscript(_ name: String) -> ((ConvertibleToJSValue...) -> JSValue)?`
    /// - Precondition: `self` must be a JavaScript Object and specified member should be a callable object.
    subscript(dynamicMember name: String) -> ((ConvertibleToJSValue...) -> JSValue) {
    @_disfavoredOverload
    subscript(dynamicMember name: String) -> DiscardableResultClosure {
        object![dynamicMember: name]!
    }
 #endif
Original file line number	Diff line number	Diff line change
Expand Up		@@ -35,9 +35,9 @@ public class JSObject: Equatable {
		/// - Parameter name: The name of this object's member to access.
		/// - Returns: The `name` member method binding this object as `this` context.
		@_disfavoredOverload
		public subscript(_ name: String) ->((ConvertibleToJSValue...) -> JSValue)? {
		public subscript(_ name: String) ->DiscardableResultClosure? {
		guard let function = self[name].function else { return nil }
		return{ (arguments: ConvertibleToJSValue...) in
		returnDiscardableResultClosure {arguments in
		function(this: self, arguments: arguments)
		}
		}
Expand All		@@ -53,17 +53,17 @@ public class JSObject: Equatable {
		/// - Parameter name: The name of this object's member to access.
		/// - Returns: The `name` member method binding this object as `this` context.
		@_disfavoredOverload
		public subscript(_ name: JSString) ->((ConvertibleToJSValue...) -> JSValue)? {
		public subscript(_ name: JSString) ->DiscardableResultClosure? {
		guard let function = self[name].function else { return nil }
		return{ (arguments: ConvertibleToJSValue...) in
		returnDiscardableResultClosure {arguments in
		function(this: self, arguments: arguments)
		}
		}

		/// A convenience method of `subscript(_ name: String) -> ((ConvertibleToJSValue...) -> JSValue)?`
		/// to access the member through Dynamic Member Lookup.
		@_disfavoredOverload
		public subscript(dynamicMember name: String) ->((ConvertibleToJSValue...) -> JSValue)? {
		public subscript(dynamicMember name: String) ->DiscardableResultClosure? {
		self[name]
		}
		#endif
Expand DownExpand Up		@@ -232,6 +232,19 @@ public class JSThrowingObject {
		#endif


		#if !hasFeature(Embedded)
		/// A swift closure wrapper that can be called as function.
		/// This prevents the warnings for unused results through `@discardableResult` which means you no longer need `_ =` everywhere.
		public struct DiscardableResultClosure {
		var closure: ([ConvertibleToJSValue]) -> JSValue

		@discardableResult
		public func callAsFunction(_ args: ConvertibleToJSValue...) -> JSValue {
		return self.closure(args)
		}
		}
		#endif

		#if hasFeature(Embedded)
		// NOTE: once embedded supports variadic generics, we can remove these overloads
		public extension JSObject {
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -104,7 +104,8 @@ public extension JSValue {
		#if !hasFeature(Embedded)
		/// An unsafe convenience method of `JSObject.subscript(_ name: String) -> ((ConvertibleToJSValue...) -> JSValue)?`
		/// - Precondition: `self` must be a JavaScript Object and specified member should be a callable object.
		subscript(dynamicMember name: String) -> ((ConvertibleToJSValue...) -> JSValue) {
		@_disfavoredOverload
		subscript(dynamicMember name: String) -> DiscardableResultClosure {
		object![dynamicMember: name]!
		}
		#endif
Expand Down