1 files changed, 103 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/JSDOMConvertCallbacks.h b/src/bun.js/bindings/webcore/JSDOMConvertCallbacks.h
new file mode 100644
index 000000000..c98ad316b
--- /dev/null
+++ b/src/bun.js/bindings/webcore/JSDOMConvertCallbacks.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "IDLTypes.h"
+#include "JSDOMConvertBase.h"
+#include "JSDOMGlobalObject.h"
+
+namespace WebCore {
+
+template<typename T> struct Converter<IDLCallbackFunction<T>> : DefaultConverter<IDLCallbackFunction<T>> {
+
+    static constexpr bool conversionHasSideEffects = false;
+
+    template<typename ExceptionThrower = DefaultExceptionThrower>
+    static RefPtr<T> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
+    {
+        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
+        auto scope = DECLARE_THROW_SCOPE(vm);
+
+        if (!value.isCallable()) {
+            exceptionThrower(lexicalGlobalObject, scope);
+            return nullptr;
+        }
+
+        return T::create(vm, JSC::asObject(value));
+    }
+};
+
+template<typename T> struct JSConverter<IDLCallbackFunction<T>> {
+    static constexpr bool needsState = false;
+    static constexpr bool needsGlobalObject = false;
+
+    template<typename U>
+    static JSC::JSValue convert(const U& value)
+    {
+        return toJS(Detail::getPtrOrRef(value));
+    }
+
+    template<typename U>
+    static JSC::JSValue convertNewlyCreated(U&& value)
+    {
+        return toJSNewlyCreated(std::forward<U>(value));
+    }
+};
+
+template<typename T> struct Converter<IDLCallbackInterface<T>> : DefaultConverter<IDLCallbackInterface<T>> {
+    template<typename ExceptionThrower = DefaultExceptionThrower>
+    static RefPtr<T> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
+    {
+        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
+        auto scope = DECLARE_THROW_SCOPE(vm);
+
+        if (!value.isObject()) {
+            exceptionThrower(lexicalGlobalObject, scope);
+            return nullptr;
+        }
+
+        return T::create(vm, JSC::asObject(value));
+    }
+};
+
+template<typename T> struct JSConverter<IDLCallbackInterface<T>> {
+    static constexpr bool needsState = false;
+    static constexpr bool needsGlobalObject = false;
+
+    template<typename U>
+    static JSC::JSValue convert(const U& value)
+    {
+        return toJS(Detail::getPtrOrRef(value));
+    }
+
+    template<typename U>
+    static JSC::JSValue convertNewlyCreated(U&& value)
+    {
+        return toJSNewlyCreated(std::forward<U>(value));
+    }
+};
+
+} // namespace WebCore