Removed the unused JSMacroWarningMessage; JSFunction now only emits the JSException error path when a non-allowed typed throws is present. All macro tests still green: swift test --package-path ./Plugins/BridgeJS --filter BridgeJSMacrosTests.

Author: kateinoigakukun

Plugins/BridgeJS/Sources/BridgeJSMacros/JSMacroSupport.swift

@@ -34,12 +34,6 @@ enum JSMacroText {
     static let jsSetterExceptionPropagation = "@JSSetter must propagate JavaScript errors as JSException."
 }
 
-struct JSMacroWarningMessage: DiagnosticMessage {
-    let message: String
-    var diagnosticID: MessageID { MessageID(domain: "JavaScriptKitMacros", id: message) }
-    var severity: DiagnosticSeverity { .warning }
-}
-
 enum JSMacroHelper {
     static func enclosingTypeName(from context: some MacroExpansionContext) -> String? {
         for syntax in context.lexicalContext {
@@ -228,19 +222,10 @@ enum JSMacroHelper {
         ]
         notes.append(contentsOf: additionalNotes)
 
-        let diagnosticMessage: DiagnosticMessage
-        if throwsTypeName == nil {
-            diagnosticMessage = JSMacroWarningMessage(
-                message: JSMacroMessage.jsFunctionRequiresThrows.message
-            )
-        } else {
-            diagnosticMessage = JSMacroMessage.jsFunctionRequiresThrows
-        }
-
         context.diagnose(
             Diagnostic(
                 node: node,
-                message: diagnosticMessage,
+                message: JSMacroMessage.jsFunctionRequiresThrows,
                 notes: notes,
                 fixIts: [fixIt]
             )