1 files changed, 66 insertions, 1 deletions
diff --git a/src/bun.js/bindings/ZigGlobalObject.cpp b/src/bun.js/bindings/ZigGlobalObject.cpp
index 4585b6b84..e6663bfed 100644
--- a/src/bun.js/bindings/ZigGlobalObject.cpp
+++ b/src/bun.js/bindings/ZigGlobalObject.cpp
@@ -106,6 +106,8 @@
 #include "BunJSCModule.h"
 #include "ModuleLoader.h"
 #include "NodeVMScript.h"
+#include "ProcessIdentifier.h"
+#include "SerializedScriptValue.h"
 
 #include "ZigGeneratedClasses.h"
 #include "JavaScriptCore/DateInstance.h"
@@ -660,6 +662,19 @@ extern "C" bool Zig__GlobalObject__resetModuleRegistryMap(JSC__JSGlobalObject* g
 #define PUT_WEBCORE_GENERATED_CONSTRUCTOR(name, ConstructorName) \
     putDirectCustomAccessor(vm, JSC::PropertyName(JSC::Identifier::fromString(vm, name)), JSC::CustomGetterSetter::create(vm, ConstructorName##_getter, ConstructorName##_setter), 0)
 
+String GlobalObject::defaultAgentClusterID()
+{
+    return makeString(ProcessIdent::identifier().toUInt64(), "-default"_s);
+}
+
+String GlobalObject::agentClusterID() const
+{
+    // TODO: workers
+    // if (is<SharedWorkerGlobalScope>(scriptExecutionContext()))
+    //     return makeString(WProcess::identifier().toUInt64(), "-sharedworker");
+    return defaultAgentClusterID();
+}
+
 namespace Zig {
 
 using namespace WebCore;
@@ -1211,6 +1226,50 @@ JSC_DEFINE_HOST_FUNCTION(functionClearTimeout,
     return Bun__Timer__clearTimeout(globalObject, JSC::JSValue::encode(num));
 }
 
+JSC_DEFINE_HOST_FUNCTION(functionStructuredClone,
+    (JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
+{
+    JSC::VM& vm = globalObject->vm();
+    auto throwScope = DECLARE_THROW_SCOPE(vm);
+
+    if (callFrame->argumentCount() == 0) {
+        throwTypeError(globalObject, throwScope, "structuredClone requires 1 argument"_s);
+        return JSValue::encode(jsUndefined());
+    }
+
+    JSC::JSValue value = callFrame->argument(0);
+    JSC::JSValue options = callFrame->argument(1);
+
+    Vector<JSC::Strong<JSC::JSObject>> transferList;
+
+    if (options.isObject()) {
+        JSC::JSObject* optionsObject = options.getObject();
+        JSC::JSValue transferListValue = optionsObject->get(globalObject, vm.propertyNames->transfer);
+        if (transferListValue.isObject()) {
+            JSC::JSObject* transferListObject = transferListValue.getObject();
+            if (auto* transferListArray = jsDynamicCast<JSC::JSArray*>(transferListObject)) {
+                for (unsigned i = 0; i < transferListArray->length(); i++) {
+                    JSC::JSValue transferListValue = transferListArray->get(globalObject, i);
+                    if (transferListValue.isObject()) {
+                        JSC::JSObject* transferListObject = transferListValue.getObject();
+                        transferList.append(JSC::Strong<JSC::JSObject>(vm, transferListObject));
+                    }
+                }
+            }
+        }
+    }
+
+    ExceptionOr<Ref<SerializedScriptValue>> serialized = SerializedScriptValue::create(*globalObject, value, WTFMove(transferList));
+    if (serialized.hasException()) {
+        WebCore::propagateException(*globalObject, throwScope, serialized.releaseException());
+        return JSValue::encode(jsUndefined());
+    }
+
+    JSValue deserialized = serialized.releaseReturnValue()->deserialize(*globalObject, globalObject);
+
+    return JSValue::encode(deserialized);
+}
+
 JSC_DEFINE_HOST_FUNCTION(functionBTOA,
     (JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
 {
@@ -3652,7 +3711,7 @@ void GlobalObject::addBuiltinGlobals(JSC::VM& vm)
     auto& builtinNames = WebCore::builtinNames(vm);
 
     WTF::Vector<GlobalPropertyInfo> extraStaticGlobals;
-    extraStaticGlobals.reserveCapacity(44);
+    extraStaticGlobals.reserveCapacity(45);
 
     JSC::Identifier queueMicrotaskIdentifier = JSC::Identifier::fromString(vm, "queueMicrotask"_s);
     extraStaticGlobals.uncheckedAppend(
@@ -3676,6 +3735,12 @@ void GlobalObject::addBuiltinGlobals(JSC::VM& vm)
                 "clearImmediate"_s, functionClearTimeout, ImplementationVisibility::Public),
             JSC::PropertyAttribute::Function | JSC::PropertyAttribute::DontDelete | 0 });
 
+    extraStaticGlobals.uncheckedAppend(
+        GlobalPropertyInfo { JSC::Identifier::fromString(vm, "structuredClone"_s),
+            JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 2,
+                "structuredClone"_s, functionStructuredClone, ImplementationVisibility::Public),
+            JSC::PropertyAttribute::Function | JSC::PropertyAttribute::DontDelete | 0 });
+
     JSC::Identifier setTimeoutIdentifier = JSC::Identifier::fromString(vm, "setTimeout"_s);
     extraStaticGlobals.uncheckedAppend(
         GlobalPropertyInfo { setTimeoutIdentifier,