bun.sh/src/bun.js/bindings/ZigGlobalObject.h

// ** WARNING **
// This header is included in nearly every file.
// Be very cautious of sticking your #include in this file
// or adding anything into this file other than LazyClassStructure or LazyProperty
// ** WARNING **
// TODO: rename this to BunGlobalObject
#pragma once

#ifndef ZIG_GLOBAL_OBJECT
#define ZIG_GLOBAL_OBJECT

namespace JSC {
class Structure;
class Identifier;
class LazyClassStructure;

} // namespace JSC

namespace JSC {

enum class JSPromiseRejectionOperation : unsigned;

}

namespace WebCore {
class ScriptExecutionContext;
class DOMGuardedObject;
class EventLoopTask;
class DOMWrapperWorld;
}

#include "root.h"

#include "headers-handwritten.h"

#include "JavaScriptCore/CatchScope.h"
#include "JavaScriptCore/JSGlobalObject.h"
#include "JavaScriptCore/JSTypeInfo.h"
#include "JavaScriptCore/Structure.h"
#include "WebCoreJSBuiltins.h"

#include "DOMConstructors.h"
#include "BunPlugin.h"
#include "JSMockFunction.h"

namespace WebCore {
class GlobalScope;
class SubtleCrypto;
class EventTarget;
}

extern "C" void Bun__reportError(JSC__JSGlobalObject*, JSC__JSValue);
extern "C" void Bun__reportUnhandledError(JSC__JSGlobalObject*, JSC::EncodedJSValue);
// defined in ModuleLoader.cpp
extern "C" JSC::EncodedJSValue jsFunctionOnLoadObjectResultResolve(JSC::JSGlobalObject* globalObject, JSC::CallFrame* callFrame);
extern "C" JSC::EncodedJSValue jsFunctionOnLoadObjectResultReject(JSC::JSGlobalObject* globalObject, JSC::CallFrame* callFrame);

// #include "EventTarget.h"

// namespace WebCore {
// class GlobalEventTarget : public EventTargetWithInlineData, public ContextDestructionObserver {
//     WTF_MAKE_ISO_ALLOCATED(GlobalEventTarget);

// public:
//     static Ref<GlobalEventTarget> create(ScriptExecutionContext&);

//     EventTargetInterface eventTargetInterface() const final { return DOMWindowEventTargetInterfaceType; }
//     ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
//     void refEventTarget() final {}
//     void derefEventTarget() final {}
//     void eventListenersDidChange() final;
// };

// }

namespace Zig {

class JSCStackTrace;

using JSDOMStructureMap = HashMap<const JSC::ClassInfo*, JSC::WriteBarrier<JSC::Structure>>;
using DOMGuardedObjectSet = HashSet<WebCore::DOMGuardedObject*>;

#define ZIG_GLOBAL_OBJECT_DEFINED

class GlobalObject : public JSC::JSGlobalObject {
    using Base = JSC::JSGlobalObject;

public:
    static const JSC::ClassInfo s_info;
    static const JSC::GlobalObjectMethodTable s_globalObjectMethodTable;

    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);

    ~GlobalObject();
    static void destroy(JSC::JSCell*);

    static constexpr const JSC::ClassInfo* info() { return &s_info; }

    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* global, JSC::JSValue prototype)
    {
        return JSC::Structure::create(vm, global, prototype, JSC::TypeInfo(JSC::GlobalObjectType, StructureFlags), info());
    }

    // Make binding code generation easier.
    GlobalObject* globalObject() { return this; }

    DOMGuardedObjectSet& guardedObjects() WTF_REQUIRES_LOCK(m_gcLock) { return m_guardedObjects; }

    const DOMGuardedObjectSet& guardedObjects() const WTF_IGNORES_THREAD_SAFETY_ANALYSIS
    {
        ASSERT(!Thread::mayBeGCThread());
        return m_guardedObjects;
    }
    DOMGuardedObjectSet& guardedObjects(NoLockingNecessaryTag) WTF_IGNORES_THREAD_SAFETY_ANALYSIS
    {
        ASSERT(!vm().heap.mutatorShouldBeFenced());
        return m_guardedObjects;
    }

    static GlobalObject* create(JSC::VM& vm, JSC::Structure* structure)
    {
        GlobalObject* ptr = new (NotNull, JSC::allocateCell<GlobalObject>(vm)) GlobalObject(vm, structure);
        ptr->finishCreation(vm);
        return ptr;
    }

    static GlobalObject* create(JSC::VM& vm, JSC::Structure* structure, uint32_t scriptExecutionContextId)
    {
        GlobalObject* ptr = new (NotNull, JSC::allocateCell<GlobalObject>(vm)) GlobalObject(vm, structure, scriptExecutionContextId);
        ptr->finishCreation(vm);
        return ptr;
    }

    const JSDOMStructureMap& structures() const WTF_IGNORES_THREAD_SAFETY_ANALYSIS
    {
        ASSERT(!Thread::mayBeGCThread());
        return m_structures;
    }
    const WebCore::DOMConstructors& constructors() const
    {
        ASSERT(!Thread::mayBeGCThread());
        return *m_constructors;
    }

    WebCore::DOMWrapperWorld& world() { return m_world.get(); }

    DECLARE_VISIT_CHILDREN;
    template<typename Visitor> void visitAdditionalChildren(Visitor&);
    template<typename Visitor> static void visitOutputConstraints(JSCell*, Visitor&);

    bool worldIsNormal() const { return m_worldIsNormal; }
    static ptrdiff_t offsetOfWorldIsNormal() { return OBJECT_OFFSETOF(GlobalObject, m_worldIsNormal); }

    WebCore::ScriptExecutionContext* scriptExecutionContext();
    WebCore::ScriptExecutionContext* scriptExecutionContext() const;

    void queueTask(WebCore::EventLoopTask* task);
    void queueTaskOnTimeout(WebCore::EventLoopTask* task, int timeout);
    void queueTaskConcurrently(WebCore::EventLoopTask* task);

    JSDOMStructureMap& structures() WTF_REQUIRES_LOCK(m_gcLock) { return m_structures; }
    JSDOMStructureMap& structures(NoLockingNecessaryTag) WTF_IGNORES_THREAD_SAFETY_ANALYSIS
    {
        ASSERT(!vm().heap.mutatorShouldBeFenced());
        return m_structures;
    }

    WebCore::DOMConstructors& constructors() { return *m_constructors; }

    Lock& gcLock() WTF_RETURNS_LOCK(m_gcLock) { return m_gcLock; }

    void clearDOMGuardedObjects();

    static void createCallSitesFromFrames(JSC::JSGlobalObject* lexicalGlobalObject, JSCStackTrace& stackTrace, JSC::JSArray* callSites);
    JSC::JSValue formatStackTrace(JSC::VM& vm, JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSObject* errorObject, JSC::JSArray* callSites);

    static void reportUncaughtExceptionAtEventLoop(JSGlobalObject*, JSC::Exception*);
    static JSGlobalObject* deriveShadowRealmGlobalObject(JSGlobalObject* globalObject);
    static JSC::JSInternalPromise* moduleLoaderImportModule(JSGlobalObject*, JSC::JSModuleLoader*,
        JSC::JSString* moduleNameValue,
        JSC::JSValue parameters,
        const JSC::SourceOrigin&);
    static JSC::Identifier moduleLoaderResolve(JSGlobalObject*, JSC::JSModuleLoader*,
        JSC::JSValue keyValue, JSC::JSValue referrerValue,
        JSC::JSValue);
    static JSC::JSInternalPromise* moduleLoaderFetch(JSGlobalObject*, JSC::JSModuleLoader*,
        JSC::JSValue, JSC::JSValue, JSC::JSValue);
    static JSC::JSObject* moduleLoaderCreateImportMetaProperties(JSGlobalObject*,
        JSC::JSModuleLoader*, JSC::JSValue,
        JSC::JSModuleRecord*, JSC::JSValue);
    static JSC::JSValue moduleLoaderEvaluate(JSGlobalObject*, JSC::JSModuleLoader*, JSC::JSValue,
        JSC::JSValue, JSC::JSValue, JSC::JSValue, JSC::JSValue);
    static void promiseRejectionTracker(JSGlobalObject*, JSC::JSPromise*,
        JSC::JSPromiseRejectionOperation);
    void setConsole(void* console);
    void installAPIGlobals(JSClassRef* globals, int count, JSC::VM& vm);
    WebCore::JSBuiltinInternalFunctions& builtinInternalFunctions() { return m_builtinInternalFunctions; }
    JSC::Structure* FFIFunctionStructure() { return m_JSFFIFunctionStructure.getInitializedOnMainThread(this); }
    JSC::Structure* NapiClassStructure() { return m_NapiClassStructure.getInitializedOnMainThread(this); }

    JSC::Structure* FileSinkStructure() { return m_JSFileSinkClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* FileSink() { return m_JSFileSinkClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue FileSinkPrototype() { return m_JSFileSinkClassStructure.prototypeInitializedOnMainThread(this); }
    JSC::JSValue JSReadableFileSinkControllerPrototype() { return m_JSFileSinkControllerPrototype.getInitializedOnMainThread(this); }

    JSC::Structure* JSBufferStructure() { return m_JSBufferClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* JSBufferConstructor() { return m_JSBufferClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue JSBufferPrototype() { return m_JSBufferClassStructure.prototypeInitializedOnMainThread(this); }
    JSC::Structure* JSBufferSubclassStructure() { return m_JSBufferSubclassStructure.getInitializedOnMainThread(this); }

    JSC::Structure* ArrayBufferSinkStructure() { return m_JSArrayBufferSinkClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* ArrayBufferSink() { return m_JSArrayBufferSinkClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue ArrayBufferSinkPrototype() { return m_JSArrayBufferSinkClassStructure.prototypeInitializedOnMainThread(this); }
    JSC::JSValue JSReadableArrayBufferSinkControllerPrototype() { return m_JSArrayBufferControllerPrototype.getInitializedOnMainThread(this); }

    JSC::Structure* HTTPResponseSinkStructure() { return m_JSHTTPResponseSinkClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* HTTPResponseSink() { return m_JSHTTPResponseSinkClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue HTTPResponseSinkPrototype() { return m_JSHTTPResponseSinkClassStructure.prototypeInitializedOnMainThread(this); }
    JSC::Structure* JSReadableHTTPResponseSinkController() { return m_JSHTTPResponseController.getInitializedOnMainThread(this); }

    JSC::Structure* HTTPSResponseSinkStructure() { return m_JSHTTPSResponseSinkClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* HTTPSResponseSink() { return m_JSHTTPSResponseSinkClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue HTTPSResponseSinkPrototype() { return m_JSHTTPSResponseSinkClassStructure.prototypeInitializedOnMainThread(this); }
    JSC::JSValue JSReadableHTTPSResponseSinkControllerPrototype() { return m_JSHTTPSResponseControllerPrototype.getInitializedOnMainThread(this); }

    JSC::Structure* JSBufferListStructure() { return m_JSBufferListClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* JSBufferList() { return m_JSBufferListClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue JSBufferListPrototype() { return m_JSBufferListClassStructure.prototypeInitializedOnMainThread(this); }

    JSC::Structure* JSStringDecoderStructure() { return m_JSStringDecoderClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* JSStringDecoder() { return m_JSStringDecoderClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue JSStringDecoderPrototype() { return m_JSStringDecoderClassStructure.prototypeInitializedOnMainThread(this); }

    JSC::Structure* JSReadableStateStructure() { return m_JSReadableStateClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* JSReadableState() { return m_JSReadableStateClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue JSReadableStatePrototype() { return m_JSReadableStateClassStructure.prototypeInitializedOnMainThread(this); }

    JSC::Structure* NodeVMScriptStructure() { return m_NodeVMScriptClassStructure.getInitializedOnMainThread(this); }
    JSC::JSObject* NodeVMScript() { return m_NodeVMScriptClassStructure.constructorInitializedOnMainThread(this); }
    JSC::JSValue NodeVMScriptPrototype() { return m_NodeVMScriptClassStructure.prototypeInitializedOnMainThread(this); }

    JSC::JSMap* readableStreamNativeMap() { return m_lazyReadableStreamPrototypeMap.getInitializedOnMainThread(this); }
    JSC::JSMap* requireMap() { return m_requireMap.getInitializedOnMainThread(this); }
    JSC::Structure* encodeIntoObjectStructure() { return m_encodeIntoObjectStructure.getInitializedOnMainThread(this); }

    JSC::Structure* callSiteStructure() const { return m_callSiteStructure.getInitializedOnMainThread(this); }

    JSC::JSObject* performanceObject() { return m_performanceObject.getInitializedOnMainThread(this); }
    JSC::JSObject* primordialsObject() { return m_primordialsObject.getInitializedOnMainThread(this); }

    JSC::JSFunction* performMicrotaskFunction() { return m_performMicrotaskFunction.getInitializedOnMainThread(this); }
    JSC::JSFunction* performMicrotaskVariadicFunction() { return m_performMicrotaskVariadicFunction.getInitializedOnMainThread(this); }

    JSC::JSFunction* emitReadableNextTickFunction() { return m_emitReadableNextTickFunction.getInitializedOnMainThread(this); }

    JSObject* requireFunctionUnbound() { return m_requireFunctionUnbound.getInitializedOnMainThread(this); }
    JSObject* requireResolveFunctionUnbound() { return m_requireResolveFunctionUnbound.getInitializedOnMainThread(this); }

    JSObject* lazyRequireCacheObject() { return m_lazyRequireCacheObject.getInitializedOnMainThread(this); }

    JSFunction* bunSleepThenCallback() { return m_bunSleepThenCallback.getInitializedOnMainThread(this); }

    JSObject* dnsObject() { return m_dnsObject.getInitializedOnMainThread(this); }

    Structure* globalObjectStructure() { return m_cachedGlobalObjectStructure.getInitializedOnMainThread(this); }
    Structure* globalProxyStructure() { return m_cachedGlobalProxyStructure.getInitializedOnMainThread(this); }
    JSObject* lazyTestModuleObject() { return m_lazyTestModuleObject.getInitializedOnMainThread(this); }
    JSObject* lazyPreloadTestModuleObject() { return m_lazyPreloadTestModuleObject.getInitializedOnMainThread(this); }
    Structure* CommonJSModuleObjectStructure() { return m_commonJSModuleObjectStructure.getInitializedOnMainThread(this); }
    Structure* ImportMetaObjectStructure() { return m_importMetaObjectStructure.getInitializedOnMainThread(this); }
    Structure* AsyncContextFrameStructure() { return m_asyncBoundFunctionStructure.getInitializedOnMainThread(this); }

    Structure* commonJSFunctionArgumentsStructure() { return m_commonJSFunctionArgumentsStructure.getInitializedOnMainThread(this); }

    JSObject* passwordObject() { return m_lazyPasswordObject.getInitializedOnMainThread(this); }

    JSWeakMap* vmModuleContextMap() { return m_vmModuleContextMap.getInitializedOnMainThread(this); }

    bool hasProcessObject() const { return m_processObject.isInitialized(); }

    JSC::JSObject* processObject()
    {
        return m_processObject.getInitializedOnMainThread(this);
    }

    JSC::JSObject* processEnvObject()
    {
        return m_processEnvObject.getInitializedOnMainThread(this);
    }

    void handleRejectedPromises();
    void initGeneratedLazyClasses();

    template<typename Visitor>
    void visitGeneratedLazyClasses(GlobalObject*, Visitor&);

    void* bunVM() { return m_bunVM; }
    bool isThreadLocalDefaultGlobalObject = false;

    JSObject* subtleCrypto()
    {
        return m_subtleCryptoObject.getInitializedOnMainThread(this);
    }

    EncodedJSValue assignToStream(JSValue stream, JSValue controller);

    WebCore::EventTarget& eventTarget();
    Bun::GlobalScope& globalEventScope;

    enum class PromiseFunctions : uint8_t {
        Bun__HTTPRequestContext__onReject,
        Bun__HTTPRequestContext__onRejectStream,
        Bun__HTTPRequestContext__onResolve,
        Bun__HTTPRequestContext__onResolveStream,
        Bun__HTTPRequestContextTLS__onReject,
        Bun__HTTPRequestContextTLS__onRejectStream,
        Bun__HTTPRequestContextTLS__onResolve,
        Bun__HTTPRequestContextTLS__onResolveStream,
        Bun__HTTPRequestContextDebug__onReject,
        Bun__HTTPRequestContextDebug__onRejectStream,
        Bun__HTTPRequestContextDebug__onResolve,
        Bun__HTTPRequestContextDebug__onResolveStream,
        Bun__HTTPRequestContextDebugTLS__onReject,
        Bun__HTTPRequestContextDebugTLS__onRejectStream,
        Bun__HTTPRequestContextDebugTLS__onResolve,
        Bun__HTTPRequestContextDebugTLS__onResolveStream,

        jsFunctionOnLoadObjectResultResolve,
        jsFunctionOnLoadObjectResultReject,

        Bun__TestScope__onReject,
        Bun__TestScope__onResolve,

        CallbackJob__onResolve,
        CallbackJob__onReject,
    };
    static constexpr size_t promiseFunctionsSize = 22;

    static PromiseFunctions promiseHandlerID(EncodedJSValue (*handler)(JSC__JSGlobalObject* arg0, JSC__CallFrame* arg1));

    JSFunction* thenable(EncodedJSValue (*handler)(JSC__JSGlobalObject* arg0, JSC__CallFrame* arg1))
    {
        auto& barrier = this->m_thenables[static_cast<size_t>(GlobalObject::promiseHandlerID(handler))];
        if (JSFunction* func = barrier.get()) {
            return func;
        }

        JSFunction* func = JSC::JSFunction::create(vm(), this, 2,
            String(), handler, ImplementationVisibility::Public);

        barrier.set(vm(), this, func);
        return func;
    }

    /**
     * WARNING: You must update visitChildrenImpl() if you add a new field.
     *
     * That informs the garbage collector that these fields exist. If you don't
     * do that, the garbage collector will not know about these fields and will
     * not trace them. This will lead to crashes and very strange behavior at runtime.
     *
     * For example, if you don't add the queueMicrotask functions to visitChildrenImpl(),
     * those callbacks will eventually never be called anymore. But it'll work the first time!
     */
    mutable WriteBarrier<JSFunction> m_assignToStream;
    mutable WriteBarrier<JSFunction> m_readableStreamToArrayBuffer;
    mutable WriteBarrier<JSFunction> m_readableStreamToArrayBufferResolve;
    mutable WriteBarrier<JSFunction> m_readableStreamToBlob;
    mutable WriteBarrier<JSFunction> m_readableStreamToJSON;
    mutable WriteBarrier<JSFunction> m_readableStreamToText;
    mutable WriteBarrier<JSFunction> m_readableStreamToFormData;
    mutable WriteBarrier<Unknown> m_JSBufferSetterValue;
    mutable WriteBarrier<Unknown> m_JSFetchHeadersSetterValue;
    mutable WriteBarrier<Unknown> m_JSMessageEventSetterValue;
    mutable WriteBarrier<Unknown> m_JSTextEncoderSetterValue;
    mutable WriteBarrier<Unknown> m_JSURLSearchParamsSetterValue;
    mutable WriteBarrier<Unknown> m_JSWebSocketSetterValue;
    mutable WriteBarrier<Unknown> m_JSDOMFormDataSetterValue;
    mutable WriteBarrier<Unknown> m_JSWorkerSetterValue;
    mutable WriteBarrier<Unknown> m_JSMessageChannelSetterValue;
    mutable WriteBarrier<Unknown> m_JSMessagePortSetterValue;
    mutable WriteBarrier<Unknown> m_JSBroadcastChannelSetterValue;
    mutable WriteBarrier<Unknown> m_BunCommonJSModuleValue;

    mutable WriteBarrier<JSFunction> m_thenables[promiseFunctionsSize + 1];

    Structure* memoryFootprintStructure()
    {
        return m_memoryFootprintStructure.getInitializedOnMainThread(this);
    }

    JSObject* navigatorObject();
    JSFunction* nativeMicrotaskTrampoline() { return m_nativeMicrotaskTrampoline.getInitializedOnMainThread(this); }

    String agentClusterID() const;
    static String defaultAgentClusterID();

    void trackFFIFunction(JSC::JSFunction* function)
    {
        this->m_ffiFunctions.append(JSC::Strong<JSC::JSFunction> { vm(), function });
    }
    bool untrackFFIFunction(JSC::JSFunction* function)
    {
        for (size_t i = 0; i < this->m_ffiFunctions.size(); ++i) {
            if (this->m_ffiFunctions[i].get() == function) {
                this->m_ffiFunctions[i].clear();
                this->m_ffiFunctions.remove(i);
                return true;
            }
        }
        return false;
    }

    BunPlugin::OnLoad onLoadPlugins[BunPluginTargetMax + 1] {};
    BunPlugin::OnResolve onResolvePlugins[BunPluginTargetMax + 1] {};
    BunPluginTarget defaultBunPluginTarget = BunPluginTargetBun;

    // This increases the cache hit rate for JSC::VM's SourceProvider cache
    // It also avoids an extra allocation for the SourceProvider
    // The key is a pointer to the source code
    WTF::HashMap<uintptr_t, Ref<JSC::SourceProvider>> sourceProviderMap;
    size_t reloadCount = 0;

    void reload();

    JSC::Structure* pendingVirtualModuleResultStructure() { return m_pendingVirtualModuleResultStructure.get(this); }

    // When a napi module initializes on dlopen, we need to know what the value is
    // This value is not observed by GC. It should be extremely ephemeral.
    JSValue pendingNapiModule = JSValue {};
    // We need to know if the napi module registered itself or we registered it.
    // To do that, we count the number of times we register a module.
    int napiModuleRegisterCallCount = 0;

    // NAPI instance data
    // This is not a correct implementation
    // Addon modules can override each other's data
    void* napiInstanceData = nullptr;
    void* napiInstanceDataFinalizer = nullptr;
    void* napiInstanceDataFinalizerHint = nullptr;

    Bun::JSMockModule mockModule;

#include "ZigGeneratedClasses+lazyStructureHeader.h"

private:
    void addBuiltinGlobals(JSC::VM&);
    void finishCreation(JSC::VM&);
    friend void WebCore::JSBuiltinInternalFunctions::initialize(Zig::GlobalObject&);
    WebCore::JSBuiltinInternalFunctions m_builtinInternalFunctions;
    GlobalObject(JSC::VM& vm, JSC::Structure* structure);
    GlobalObject(JSC::VM& vm, JSC::Structure* structure, uint32_t);
    std::unique_ptr<WebCore::DOMConstructors> m_constructors;
    uint8_t m_worldIsNormal;
    JSDOMStructureMap m_structures WTF_GUARDED_BY_LOCK(m_gcLock);
    Lock m_gcLock;
    WebCore::ScriptExecutionContext* m_scriptExecutionContext;
    Ref<WebCore::DOMWrapperWorld> m_world;

    /**
     * WARNING: You must update visitChildrenImpl() if you add a new field.
     *
     * That informs the garbage collector that these fields exist. If you don't
     * do that, the garbage collector will not know about these fields and will
     * not trace them. This will lead to crashes and very strange behavior at runtime.
     *
     * For example, if you don't add the queueMicrotask functions to visitChildrenImpl(),
     * those callbacks will eventually never be called anymore. But it'll work the first time!
     */
    LazyClassStructure m_JSArrayBufferSinkClassStructure;
    LazyClassStructure m_JSBufferListClassStructure;
    LazyClassStructure m_JSFFIFunctionStructure;
    LazyClassStructure m_JSFileSinkClassStructure;
    LazyClassStructure m_JSHTTPResponseSinkClassStructure;
    LazyClassStructure m_JSHTTPSResponseSinkClassStructure;
    LazyClassStructure m_JSReadableStateClassStructure;
    LazyClassStructure m_JSStringDecoderClassStructure;
    LazyClassStructure m_NapiClassStructure;
    LazyClassStructure m_callSiteStructure;
    LazyClassStructure m_JSBufferClassStructure;
    LazyClassStructure m_NodeVMScriptClassStructure;

    /**
     * WARNING: You must update visitChildrenImpl() if you add a new field.
     *
     * That informs the garbage collector that these fields exist. If you don't
     * do that, the garbage collector will not know about these fields and will
     * not trace them. This will lead to crashes and very strange behavior at runtime.
     *
     * For example, if you don't add the queueMicrotask functions to visitChildrenImpl(),
     * those callbacks will eventually never be called anymore. But it'll work the first time!
     */
    LazyProperty<JSGlobalObject, JSC::Structure> m_pendingVirtualModuleResultStructure;
    LazyProperty<JSGlobalObject, JSFunction> m_performMicrotaskFunction;
    LazyProperty<JSGlobalObject, JSFunction> m_nativeMicrotaskTrampoline;
    LazyProperty<JSGlobalObject, JSFunction> m_performMicrotaskVariadicFunction;
    LazyProperty<JSGlobalObject, JSFunction> m_emitReadableNextTickFunction;
    LazyProperty<JSGlobalObject, JSMap> m_lazyReadableStreamPrototypeMap;
    LazyProperty<JSGlobalObject, JSMap> m_requireMap;
    LazyProperty<JSGlobalObject, Structure> m_encodeIntoObjectStructure;
    LazyProperty<JSGlobalObject, JSObject> m_JSArrayBufferControllerPrototype;
    LazyProperty<JSGlobalObject, JSObject> m_JSFileSinkControllerPrototype;
    LazyProperty<JSGlobalObject, JSObject> m_JSHTTPSResponseControllerPrototype;
    LazyProperty<JSGlobalObject, JSObject> m_navigatorObject;
    LazyProperty<JSGlobalObject, JSObject> m_performanceObject;
    LazyProperty<JSGlobalObject, JSObject> m_primordialsObject;
    LazyProperty<JSGlobalObject, JSObject> m_processEnvObject;
    LazyProperty<JSGlobalObject, JSObject> m_processObject;
    LazyProperty<JSGlobalObject, JSObject> m_subtleCryptoObject;
    LazyProperty<JSGlobalObject, Structure> m_JSHTTPResponseController;
    LazyProperty<JSGlobalObject, JSC::Structure> m_JSBufferSubclassStructure;
    LazyProperty<JSGlobalObject, JSObject> m_dnsObject;
    LazyProperty<JSGlobalObject, JSWeakMap> m_vmModuleContextMap;
    LazyProperty<JSGlobalObject, JSObject> m_lazyRequireCacheObject;
    LazyProperty<JSGlobalObject, JSObject> m_lazyTestModuleObject;
    LazyProperty<JSGlobalObject, JSObject> m_lazyPreloadTestModuleObject;
    LazyProperty<JSGlobalObject, JSObject> m_lazyPasswordObject;

    LazyProperty<JSGlobalObject, JSFunction> m_bunSleepThenCallback;
    LazyProperty<JSGlobalObject, Structure> m_cachedGlobalObjectStructure;
    LazyProperty<JSGlobalObject, Structure> m_cachedGlobalProxyStructure;
    LazyProperty<JSGlobalObject, Structure> m_commonJSModuleObjectStructure;
    LazyProperty<JSGlobalObject, Structure> m_commonJSFunctionArgumentsStructure;
    LazyProperty<JSGlobalObject, Structure> m_memoryFootprintStructure;

    LazyProperty<JSGlobalObject, JSC::JSObject> m_requireFunctionUnbound;
    LazyProperty<JSGlobalObject, JSC::JSObject> m_requireResolveFunctionUnbound;
    LazyProperty<JSGlobalObject, JSC::Structure> m_importMetaObjectStructure;
    LazyProperty<JSGlobalObject, JSC::Structure> m_asyncBoundFunctionStructure;

    DOMGuardedObjectSet m_guardedObjects WTF_GUARDED_BY_LOCK(m_gcLock);
    void* m_bunVM;

    WebCore::SubtleCrypto* crypto = nullptr;

    WTF::Vector<JSC::Strong<JSC::JSPromise>> m_aboutToBeNotifiedRejectedPromises;
    WTF::Vector<JSC::Strong<JSC::JSFunction>> m_ffiFunctions;
};

} // namespace Zig

#ifndef RENAMED_JSDOM_GLOBAL_OBJECT
#define RENAMED_JSDOM_GLOBAL_OBJECT
namespace WebCore {
using JSDOMGlobalObject = Zig::GlobalObject;
}
#endif

#endif