diff options
Diffstat (limited to 'src/bun.js/bindings/napi.cpp')
-rw-r--r-- | src/bun.js/bindings/napi.cpp | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/bun.js/bindings/napi.cpp b/src/bun.js/bindings/napi.cpp index d532e5444..237f3d554 100644 --- a/src/bun.js/bindings/napi.cpp +++ b/src/bun.js/bindings/napi.cpp @@ -1244,18 +1244,30 @@ JSC_DEFINE_HOST_FUNCTION(NapiClass_ConstructorFunction, { JSC::VM& vm = globalObject->vm(); auto scope = DECLARE_THROW_SCOPE(vm); - + JSObject* constructorTarget = asObject(callFrame->jsCallee()); JSObject* newTarget = asObject(callFrame->newTarget()); + NapiClass* napi = jsDynamicCast<NapiClass*>(constructorTarget); + while (!napi && constructorTarget) { + constructorTarget = constructorTarget->getPrototypeDirect().getObject(); + napi = jsDynamicCast<NapiClass*>(constructorTarget); + } - NapiClass* napi = jsDynamicCast<NapiClass*>(newTarget); if (UNLIKELY(!napi)) { JSC::throwVMError(globalObject, scope, JSC::createTypeError(globalObject, "NapiClass constructor called on an object that is not a NapiClass"_s)); return JSC::JSValue::encode(JSC::jsUndefined()); } - NapiPrototype* prototype = JSC::jsDynamicCast<NapiPrototype*>(napi->getDirect(vm, vm.propertyNames->prototype)); + NapiPrototype* prototype = JSC::jsDynamicCast<NapiPrototype*>(napi->getIfPropertyExists(globalObject, vm.propertyNames->prototype)); + RETURN_IF_EXCEPTION(scope, {}); + + if (!prototype) { + JSC::throwVMError(globalObject, scope, JSC::createTypeError(globalObject, "NapiClass constructor is missing the prototype"_s)); + return JSC::JSValue::encode(JSC::jsUndefined()); + } + auto* subclass = prototype->subclass(globalObject, newTarget); RETURN_IF_EXCEPTION(scope, {}); + callFrame->setThisValue(subclass); size_t count = callFrame->argumentCount(); MarkedArgumentBuffer args; @@ -1266,7 +1278,6 @@ JSC_DEFINE_HOST_FUNCTION(NapiClass_ConstructorFunction, } } - callFrame->setThisValue(prototype->subclass(newTarget)); napi->constructor()(globalObject, callFrame); RETURN_IF_EXCEPTION(scope, {}); |