1 files changed, 8 insertions, 0 deletions
diff --git a/src/bun.js/bindings/ZigGlobalObject.cpp b/src/bun.js/bindings/ZigGlobalObject.cpp
index 3d038955d..c4b63869e 100644
--- a/src/bun.js/bindings/ZigGlobalObject.cpp
+++ b/src/bun.js/bindings/ZigGlobalObject.cpp
@@ -1067,6 +1067,13 @@ JSC_DEFINE_HOST_FUNCTION(functionNoop, (JSC::JSGlobalObject*, JSC::CallFrame*))
     return JSC::JSValue::encode(JSC::jsUndefined());
 }
 
+JSC_DEFINE_HOST_FUNCTION(functionCallback, (JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
+{
+    JSFunction* callback = jsCast<JSFunction*>(callFrame->uncheckedArgument(0));
+    JSC::CallData callData = JSC::getCallData(callback);
+    return JSC::JSValue::encode(JSC::call(globalObject, callback, callData, JSC::jsUndefined(), JSC::MarkedArgumentBuffer()));
+}
+
 JSC_DECLARE_HOST_FUNCTION(functionPathToFileURL);
 JSC_DECLARE_HOST_FUNCTION(functionFileURLToPath);
 
@@ -1263,6 +1270,7 @@ JSC:
             Zig::JSFFIFunction* function = Zig::JSFFIFunction::create(vm, reinterpret_cast<Zig::GlobalObject*>(globalObject), 0, String(), functionNoop, JSC::NoIntrinsic);
             obj->putDirect(vm, JSC::PropertyName(JSC::Identifier::fromString(vm, "function"_s)), function, JSC::PropertyAttribute::Function | 0);
             obj->putDirectNativeFunction(vm, globalObject, JSC::Identifier::fromString(vm, "functionRegular"_s), 1, functionNoop, ImplementationVisibility::Public, NoIntrinsic, PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly | PropertyAttribute::Function);
+            obj->putDirectNativeFunction(vm, globalObject, JSC::Identifier::fromString(vm, "callback"_s), 1, functionCallback, ImplementationVisibility::Public, NoIntrinsic, PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly | PropertyAttribute::Function);
             return JSC::JSValue::encode(obj);
         }