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path: root/src/bun.js/bindings/napi.cpp
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Diffstat (limited to 'src/bun.js/bindings/napi.cpp')
-rw-r--r--src/bun.js/bindings/napi.cpp19
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, {});