1 files changed, 86 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/WritableStream.cpp b/src/bun.js/bindings/webcore/WritableStream.cpp
new file mode 100644
index 000000000..97d56b476
--- /dev/null
+++ b/src/bun.js/bindings/webcore/WritableStream.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2021 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. ``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
+ * 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.
+ */
+
+#include "config.h"
+#include "WritableStream.h"
+
+#include "JSWritableStream.h"
+#include "JSWritableStreamSink.h"
+
+namespace WebCore {
+
+ExceptionOr<Ref<WritableStream>> WritableStream::create(JSC::JSGlobalObject& globalObject, std::optional<JSC::Strong<JSC::JSObject>>&& underlyingSink, std::optional<JSC::Strong<JSC::JSObject>>&& strategy)
+{
+    JSC::JSValue underlyingSinkValue = JSC::jsUndefined();
+    if (underlyingSink)
+        underlyingSinkValue = underlyingSink->get();
+
+    JSC::JSValue strategyValue = JSC::jsUndefined();
+    if (strategy)
+        strategyValue = strategy->get();
+
+    return create(globalObject, underlyingSinkValue, strategyValue);
+}
+
+ExceptionOr<Ref<WritableStream>> WritableStream::create(JSC::JSGlobalObject& globalObject, JSC::JSValue underlyingSink, JSC::JSValue strategy)
+{
+    auto result = InternalWritableStream::createFromUnderlyingSink(*JSC::jsCast<JSDOMGlobalObject*>(&globalObject), underlyingSink, strategy);
+    if (result.hasException())
+        return result.releaseException();
+
+    return adoptRef(*new WritableStream(result.releaseReturnValue()));
+}
+
+ExceptionOr<Ref<WritableStream>> WritableStream::create(JSDOMGlobalObject& globalObject, Ref<WritableStreamSink>&& sink)
+{
+    return create(globalObject, toJSNewlyCreated(&globalObject, &globalObject, WTFMove(sink)), JSC::jsUndefined());
+}
+
+Ref<WritableStream> WritableStream::create(Ref<InternalWritableStream>&& internalWritableStream)
+{
+    return adoptRef(*new WritableStream(WTFMove(internalWritableStream)));
+}
+
+WritableStream::WritableStream(Ref<InternalWritableStream>&& internalWritableStream)
+    : m_internalWritableStream(WTFMove(internalWritableStream))
+{
+}
+
+JSC::JSValue JSWritableStream::abort(JSC::JSGlobalObject& globalObject, JSC::CallFrame& callFrame)
+{
+    return wrapped().internalWritableStream().abort(globalObject, callFrame.argument(0));
+}
+
+JSC::JSValue JSWritableStream::close(JSC::JSGlobalObject& globalObject, JSC::CallFrame&)
+{
+    return wrapped().internalWritableStream().close(globalObject);
+}
+
+JSC::JSValue JSWritableStream::getWriter(JSC::JSGlobalObject& globalObject, JSC::CallFrame&)
+{
+    return wrapped().internalWritableStream().getWriter(globalObject);
+}
+
+} // namespace WebCore