Source/WebCore/Modules/streams/WritableStream.cpp

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#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