1 files changed, 105 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/ReadableStream.h b/src/bun.js/bindings/webcore/ReadableStream.h
new file mode 100644
index 000000000..f50185865
--- /dev/null
+++ b/src/bun.js/bindings/webcore/ReadableStream.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2017-2020 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 CANON 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 CANON 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.
+ */
+
+#pragma once
+
+#include "ExceptionOr.h"
+#include "JSDOMBinding.h"
+#include "JSDOMConvert.h"
+#include "JSDOMGuardedObject.h"
+#include "JSReadableStream.h"
+
+namespace WebCore {
+
+class ReadableStreamSink;
+class ReadableStreamSource;
+
+class ReadableStream final : public DOMGuarded<JSReadableStream> {
+public:
+    static Ref<ReadableStream> create(JSDOMGlobalObject& globalObject, JSReadableStream& readableStream) { return adoptRef(*new ReadableStream(globalObject, readableStream)); }
+
+    static ExceptionOr<Ref<ReadableStream>> create(JSC::JSGlobalObject&, RefPtr<ReadableStreamSource>&&);
+    static ExceptionOr<Ref<ReadableStream>> create(JSC::JSGlobalObject& lexicalGlobalObject, RefPtr<ReadableStreamSource>&& source, JSC::JSValue nativePtr);
+
+    WEBCORE_EXPORT static bool isDisturbed(JSC::JSGlobalObject*, JSReadableStream*);
+    WEBCORE_EXPORT static bool isLocked(JSC::JSGlobalObject*, JSReadableStream*);
+
+    std::optional<std::pair<Ref<ReadableStream>, Ref<ReadableStream>>> tee();
+
+    void cancel(const Exception&);
+    void lock();
+    void pipeTo(ReadableStreamSink&);
+    bool isLocked() const;
+    bool isDisturbed() const;
+
+    JSReadableStream* readableStream() const
+    {
+        return guarded();
+    }
+
+private:
+    ReadableStream(JSDOMGlobalObject& globalObject, JSReadableStream& readableStream)
+        : DOMGuarded<JSReadableStream>(globalObject, readableStream)
+    {
+    }
+};
+
+struct JSReadableStreamWrapperConverter {
+    static RefPtr<ReadableStream> toWrapped(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
+    {
+        auto* globalObject = JSC::jsDynamicCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
+        if (!globalObject)
+            return nullptr;
+
+        auto* readableStream = JSC::jsDynamicCast<JSReadableStream*>(value);
+        if (!readableStream)
+            return nullptr;
+
+        return ReadableStream::create(*globalObject, *readableStream);
+    }
+};
+
+template<> struct JSDOMWrapperConverterTraits<ReadableStream> {
+    using WrapperClass = JSReadableStreamWrapperConverter;
+    using ToWrappedReturnType = RefPtr<ReadableStream>;
+    static constexpr bool needsState = true;
+};
+
+inline JSC::JSValue toJS(JSC::JSGlobalObject*, JSC::JSGlobalObject*, ReadableStream* stream)
+{
+    return stream ? stream->readableStream() : JSC::jsUndefined();
+}
+
+inline JSC::JSValue toJS(JSC::JSGlobalObject*, JSC::JSGlobalObject*, ReadableStream& stream)
+{
+    return stream.readableStream();
+}
+
+inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<ReadableStream>&& stream)
+{
+    return stream->readableStream();
+}
+
+}