1 files changed, 110 insertions, 0 deletions
diff --git a/src/bun.js/bindings/JSReadableState.h b/src/bun.js/bindings/JSReadableState.h
new file mode 100644
index 000000000..fd78f0411
--- /dev/null
+++ b/src/bun.js/bindings/JSReadableState.h
@@ -0,0 +1,110 @@
+#pragma once
+
+#include "root.h"
+#include "BufferEncodingType.h"
+
+namespace WebCore {
+using namespace JSC;
+
+class JSReadableState : public JSC::JSDestructibleObject {
+    using Base = JSC::JSDestructibleObject;
+
+public:
+    JSReadableState(JSC::VM& vm, JSC::Structure* structure)
+        : Base(vm, structure), m_paused(0)
+    {
+    }
+
+    DECLARE_INFO;
+
+    static constexpr unsigned StructureFlags = Base::StructureFlags;
+
+    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
+    {
+        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
+            return nullptr;
+        return subspaceForImpl(vm);
+    }
+
+    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
+
+    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject,
+        JSC::JSValue prototype)
+    {
+        return JSC::Structure::create(vm, globalObject, prototype,
+            JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
+    }
+
+    static JSReadableState* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, bool isDuplex, JSObject* options)
+    {
+        JSReadableState* accessor = new (NotNull, JSC::allocateCell<JSReadableState>(vm)) JSReadableState(vm, structure);
+        accessor->finishCreation(vm, globalObject, isDuplex, options);
+        return accessor;
+    }
+
+    void finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject, bool isDuplex, JSObject* options);
+    static void destroy(JSCell*) {}
+
+    // 0 for null, 1 for true, -1 for false
+    int8_t m_paused;
+};
+
+class JSReadableStatePrototype : public JSC::JSNonFinalObject {
+public:
+    using Base = JSC::JSNonFinalObject;
+    static JSReadableStatePrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
+    {
+        JSReadableStatePrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStatePrototype>(vm)) JSReadableStatePrototype(vm, structure);
+        ptr->finishCreation(vm, globalObject);
+        return ptr;
+    }
+
+    DECLARE_INFO;
+    template<typename CellType, JSC::SubspaceAccess>
+    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
+    {
+        return &vm.plainObjectSpace();
+    }
+    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
+    {
+        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
+    }
+
+private:
+    JSReadableStatePrototype(JSC::VM& vm, JSC::Structure* structure)
+        : Base(vm, structure)
+    {
+    }
+
+    void finishCreation(JSC::VM&, JSC::JSGlobalObject*);
+};
+
+class JSReadableStateConstructor final : public JSC::InternalFunction {
+public:
+    using Base = JSC::InternalFunction;
+    static JSReadableStateConstructor* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, JSReadableStatePrototype* prototype);
+
+    static constexpr unsigned StructureFlags = Base::StructureFlags;
+    static constexpr bool needsDestruction = false;
+
+    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
+    {
+        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info());
+    }
+
+    void initializeProperties(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSReadableStatePrototype* prototype);
+
+    // Must be defined for each specialization class.
+    static JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES construct(JSC::JSGlobalObject*, JSC::CallFrame*);
+    DECLARE_EXPORT_INFO;
+
+private:
+    JSReadableStateConstructor(JSC::VM& vm, JSC::Structure* structure, JSC::NativeFunction nativeFunction)
+        : Base(vm, structure, nativeFunction, nativeFunction)
+    {
+    }
+
+    void finishCreation(JSC::VM&, JSC::JSGlobalObject* globalObject, JSReadableStatePrototype* prototype);
+};
+
+}