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20 hours ago •
SerenityOS
SerenityOS
LibWeb: https://node-projects.github.io/web-component-designer-demo/index.html crashes during loading
Link: https://node-projects.github.io/web-component-designer-demo/index.html The Pages uses many new Technologies:
ShadowDom, CustomElements, ConstructibleStylesheets, PointerEvents, ImportMaps, Import Assertions, ... But for ImportMaps & Assertions a Polyfill is used atm.
Stacktrace:
VERIFICATION FAILED: !m_result.has<ResultState::Uninitialized>() at /Users/jochenkuehner/Desktop/repos/github/rest/serenity/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp:524
0 liblagom-core.0.0.0.dylib 0x0000000105ad4940 ak_verification_failed + 216
1 liblagom-web.0.0.0.dylib 0x0000000107de2d14 Web::HTML::HTMLScriptElement::prepare_script() + 4544
2 liblagom-web.0.0.0.dylib 0x0000000107de3634 Web::HTML::HTMLScriptElement::inserted() + 44
3 liblagom-web.0.0.0.dylib 0x0000000107d04898 AK::IterationDecision Web::DOM::Node::for_each_shadow_including_inclusive_descendant<Web::DOM::Node::insert_before(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>, bool)::$_10>(Web::DOM::Node::insert_before(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>, bool)::$_10) + 40
4 liblagom-web.0.0.0.dylib 0x0000000107d040dc Web::DOM::Node::insert_before(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>, bool) + 1440
5 liblagom-web.0.0.0.dylib 0x0000000107d04a70 Web::DOM::Node::pre_insert(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>) + 108
6 liblagom-web.0.0.0.dylib 0x00000001080e99c0 Web::Bindings::NodePrototype::append_child(JS::VM&) + 300
7 liblagom-js.0.0.0.dylib 0x0000000106f8d0c0 AK::Function<JS::ThrowCompletionOr<void> (JS::Declaration const&)>::operator()(JS::Declaration const&) const + 84
8 liblagom-js.0.0.0.dylib 0x000000010714c830 JS::NativeFunction::internal_call(JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 508
9 liblagom-js.0.0.0.dylib 0x0000000107032ec8 JS::call_impl(JS::VM&, JS::FunctionObject&, JS::Value, AK::Optional<JS::MarkedVector<JS::Value, 0ul>>) + 436
10 liblagom-js.0.0.0.dylib 0x0000000106fb226c JS::Bytecode::perform_call(JS::Bytecode::Interpreter&, JS::Value, JS::Bytecode::Op::CallType, JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 352
11 liblagom-js.0.0.0.dylib 0x0000000106fca8f4 JS::Bytecode::Op::Call::execute_impl(JS::Bytecode::Interpreter&) const + 532
12 liblagom-js.0.0.0.dylib 0x0000000106fbf640 JS::Bytecode::Interpreter::run_bytecode() + 620
13 liblagom-js.0.0.0.dylib 0x0000000106fbf030 JS::Bytecode::Interpreter::run_and_return_frame(JS::Bytecode::Executable&, JS::Bytecode::BasicBlock const*, JS::Bytecode::CallFrame*) + 408
14 liblagom-js.0.0.0.dylib 0x0000000106fbe970 JS::Bytecode::Interpreter::run(JS::Script&, JS::GCPtr<JS::Environment>) + 720
15 liblagom-web.0.0.0.dylib 0x0000000107e3f944 Web::HTML::ClassicScript::run(Web::HTML::ClassicScript::RethrowErrors, JS::GCPtr<JS::Environment>) + 212
16 liblagom-web.0.0.0.dylib 0x0000000107de19f0 Web::HTML::HTMLScriptElement::execute_script() + 344
17 liblagom-web.0.0.0.dylib 0x0000000107de2b24 Web::HTML::HTMLScriptElement::prepare_script() + 4048
18 liblagom-web.0.0.0.dylib 0x0000000107de3634 Web::HTML::HTMLScriptElement::inserted() + 44
19 liblagom-web.0.0.0.dylib 0x0000000107d04898 AK::IterationDecision Web::DOM::Node::for_each_shadow_including_inclusive_descendant<Web::DOM::Node::insert_before(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>, bool)::$_10>(Web::DOM::Node::insert_before(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>, bool)::$_10) + 40
20 liblagom-web.0.0.0.dylib 0x0000000107d040dc Web::DOM::Node::insert_before(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>, bool) + 1440
21 liblagom-web.0.0.0.dylib 0x0000000107d04a70 Web::DOM::Node::pre_insert(JS::NonnullGCPtr<Web::DOM::Node>, JS::GCPtr<Web::DOM::Node>) + 108
22 liblagom-web.0.0.0.dylib 0x00000001080e99c0 Web::Bindings::NodePrototype::append_child(JS::VM&) + 300
23 liblagom-js.0.0.0.dylib 0x0000000106f8d0c0 AK::Function<JS::ThrowCompletionOr<void> (JS::Declaration const&)>::operator()(JS::Declaration const&) const + 84
24 liblagom-js.0.0.0.dylib 0x000000010714c830 JS::NativeFunction::internal_call(JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 508
25 liblagom-js.0.0.0.dylib 0x0000000107032ec8 JS::call_impl(JS::VM&, JS::FunctionObject&, JS::Value, AK::Optional<JS::MarkedVector<JS::Value, 0ul>>) + 436
26 liblagom-js.0.0.0.dylib 0x0000000106fb226c JS::Bytecode::perform_call(JS::Bytecode::Interpreter&, JS::Value, JS::Bytecode::Op::CallType, JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 352
27 liblagom-js.0.0.0.dylib 0x0000000106fca8f4 JS::Bytecode::Op::Call::execute_impl(JS::Bytecode::Interpreter&) const + 532
28 liblagom-js.0.0.0.dylib 0x0000000106fbf640 JS::Bytecode::Interpreter::run_bytecode() + 620
29 liblagom-js.0.0.0.dylib 0x0000000106fbf030 JS::Bytecode::Interpreter::run_and_return_frame(JS::Bytecode::Executable&, JS::Bytecode::BasicBlock const*, JS::Bytecode::CallFrame*) + 408
30 liblagom-js.0.0.0.dylib 0x00000001070ab7c0 JS::ECMAScriptFunctionObject::ordinary_call_evaluate_body() + 944
31 liblagom-js.0.0.0.dylib 0x00000001070aadc0 JS::ECMAScriptFunctionObject::internal_call(JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 400
32 liblagom-js.0.0.0.dylib 0x0000000107032ec8 JS::call_impl(JS::VM&, JS::FunctionObject&, JS::Value, AK::Optional<JS::MarkedVector<JS::Value, 0ul>>) + 436
33 liblagom-js.0.0.0.dylib 0x0000000106fb226c JS::Bytecode::perform_call(JS::Bytecode::Interpreter&, JS::Value, JS::Bytecode::Op::CallType, JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 352
34 liblagom-js.0.0.0.dylib 0x0000000106fca8f4 JS::Bytecode::Op::Call::execute_impl(JS::Bytecode::Interpreter&) const + 532
35 liblagom-js.0.0.0.dylib 0x0000000106fbf640 JS::Bytecode::Interpreter::run_bytecode() + 620
36 liblagom-js.0.0.0.dylib 0x0000000106fbf030 JS::Bytecode::Interpreter::run_and_return_frame(JS::Bytecode::Executable&, JS::Bytecode::BasicBlock const*, JS::Bytecode::CallFrame*) + 408
37 liblagom-js.0.0.0.dylib 0x00000001070ab7c0 JS::ECMAScriptFunctionObject::ordinary_call_evaluate_body() + 944
38 liblagom-js.0.0.0.dylib 0x00000001070aadc0 JS::ECMAScriptFunctionObject::internal_call(JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 400
39 liblagom-js.0.0.0.dylib 0x0000000107032ec8 JS::call_impl(JS::VM&, JS::FunctionObject&, JS::Value, AK::Optional<JS::MarkedVector<JS::Value, 0ul>>) + 436
40 liblagom-js.0.0.0.dylib 0x0000000107172ad4 JS::PromiseConstructor::construct(JS::FunctionObject&) + 928
41 liblagom-js.0.0.0.dylib 0x000000010714cb50 JS::NativeFunction::internal_construct(JS::MarkedVector<JS::Value, 0ul>, JS::FunctionObject&) + 508
42 liblagom-js.0.0.0.dylib 0x00000001070330e4 JS::construct_impl(JS::VM&, JS::FunctionObject&, AK::Optional<JS::MarkedVector<JS::Value, 0ul>>, JS::FunctionObject*) + 440
43 liblagom-js.0.0.0.dylib 0x0000000106fb2380 JS::Bytecode::perform_call(JS::Bytecode::Interpreter&, JS::Value, JS::Bytecode::Op::CallType, JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 628
44 liblagom-js.0.0.0.dylib 0x0000000106fca8f4 JS::Bytecode::Op::Call::execute_impl(JS::Bytecode::Interpreter&) const + 532
45 liblagom-js.0.0.0.dylib 0x0000000106fbf640 JS::Bytecode::Interpreter::run_bytecode() + 620
46 liblagom-js.0.0.0.dylib 0x0000000106fbf030 JS::Bytecode::Interpreter::run_and_return_frame(JS::Bytecode::Executable&, JS::Bytecode::BasicBlock const*, JS::Bytecode::CallFrame*) + 408
47 liblagom-js.0.0.0.dylib 0x00000001070ab7c0 JS::ECMAScriptFunctionObject::ordinary_call_evaluate_body() + 944
48 liblagom-js.0.0.0.dylib 0x00000001070aadc0 JS::ECMAScriptFunctionObject::internal_call(JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 400
49 liblagom-js.0.0.0.dylib 0x0000000107032ec8 JS::call_impl(JS::VM&, JS::FunctionObject&, JS::Value, AK::Optional<JS::MarkedVector<JS::Value, 0ul>>) + 436
50 liblagom-web.0.0.0.dylib 0x0000000107bf2880 AK::Function<JS::ThrowCompletionOr<JS::Value> (JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>)>::CallableWrapper<Web::Bindings::initialize_main_thread_vm()::$_5>::call(JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>) + 328
51 liblagom-js.0.0.0.dylib 0x00000001070bc9a8 AK::Function<JS::ThrowCompletionOr<JS::Value> (JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>)>::operator()(JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>) const + 188
52 liblagom-js.0.0.0.dylib 0x0000000107175968 AK::Function<JS::ThrowCompletionOr<JS::Value> ()>::CallableWrapper<JS::create_promise_reaction_job(JS::VM&, JS::PromiseReaction&, JS::Value)::$_0>::call() + 448
53 liblagom-web.0.0.0.dylib 0x0000000107bf387c AK::Function<AK::NonnullRefPtr<Web::CSS::StyleValue const> (Web::CSS::BackgroundLayerData const&)>::operator()(Web::CSS::BackgroundLayerData const&) const + 84
54 liblagom-web.0.0.0.dylib 0x0000000107bf3644 JS::SafeFunction<void ()>::CallableWrapper<Web::Bindings::initialize_main_thread_vm()::$_7::operator()(AK::Function<JS::ThrowCompletionOr<JS::Value> ()>, JS::Realm*) const::'lambda'()>::call() + 764
55 liblagom-web.0.0.0.dylib 0x0000000107d94f74 Web::HTML::Task::execute() + 92
56 liblagom-web.0.0.0.dylib 0x0000000107d93b30 Web::HTML::EventLoop::perform_a_microtask_checkpoint() + 88
57 liblagom-web.0.0.0.dylib 0x0000000107f9adc0 Web::WebIDL::clean_up_on_return(Web::HTML::EnvironmentSettingsObject&, Web::HTML::EnvironmentSettingsObject&, JS::Completion&, Web::WebIDL::OperationReturnsPromise) + 64
58 liblagom-web.0.0.0.dylib 0x0000000107f9aa60 Web::WebIDL::call_user_object_operation(Web::WebIDL::CallbackType&, AK::DeprecatedString const&, AK::Optional<JS::Value>, JS::MarkedVector<JS::Value, 0ul>) + 764
59 liblagom-web.0.0.0.dylib 0x0000000107cf6ed8 JS::Completion Web::WebIDL::call_user_object_operation<Web::DOM::Node*>(Web::WebIDL::CallbackType&, AK::DeprecatedString const&, AK::Optional<JS::Value>, Web::DOM::Node*&&) + 384
60 liblagom-web.0.0.0.dylib 0x0000000107cf6bf4 Web::DOM::EventDispatcher::inner_invoke(Web::DOM::Event&, AK::Vector<JS::Handle<Web::DOM::DOMEventListener>, 0ul>&, Web::DOM::Event::Phase, bool) + 500
61 liblagom-web.0.0.0.dylib 0x0000000107cf6ff8 Web::DOM::EventDispatcher::invoke(Web::DOM::Event::PathEntry&, Web::DOM::Event&, Web::DOM::Event::Phase) + 172
62 liblagom-web.0.0.0.dylib 0x0000000107cf7998 Web::DOM::EventDispatcher::dispatch(JS::NonnullGCPtr<Web::DOM::EventTarget>, Web::DOM::Event&, bool) + 2088
63 liblagom-web.0.0.0.dylib 0x0000000107de1ab4 Web::HTML::HTMLScriptElement::execute_script() + 540
64 liblagom-web.0.0.0.dylib 0x0000000107de3bc8 AK::Function<void ()>::CallableWrapper<Web::HTML::HTMLScriptElement::prepare_script()::$_6>::call() + 120
65 liblagom-web.0.0.0.dylib 0x0000000107c026a8 AK::Function<void (Web::Layout::Node const&)>::operator()(Web::Layout::Node const&) const + 84
66 liblagom-web.0.0.0.dylib 0x0000000107de31d0 Web::HTML::HTMLScriptElement::mark_as_ready(AK::Variant<Web::HTML::HTMLScriptElement::ResultState::Uninitialized, Web::HTML::HTMLScriptElement::ResultState::Null, JS::NonnullGCPtr<Web::HTML::Script>>) + 96
67 liblagom-web.0.0.0.dylib 0x0000000107de3938 AK::Function<void (JS::GCPtr<Web::HTML::Script>)>::CallableWrapper<Web::HTML::HTMLScriptElement::prepare_script()::$_3>::call(JS::GCPtr<Web::HTML::Script>) + 68
68 liblagom-web.0.0.0.dylib 0x0000000107c026a8 AK::Function<void (Web::Layout::Node const&)>::operator()(Web::Layout::Node const&) const + 84
69 liblagom-web.0.0.0.dylib 0x0000000107e47688 AK::Function<void (JS::NonnullGCPtr<Web::Fetch::Infrastructure::Response>, AK::Variant<AK::Empty, Web::Fetch::Infrastructure::FetchAlgorithms::ConsumeBodyFailureTag, AK::Detail::ByteBuffer<32ul>>)>::CallableWrapper<Web::HTML::fetch_classic_script(JS::NonnullGCPtr<Web::HTML::HTMLScriptElement>, AK::URL const&, Web::HTML::EnvironmentSettingsObject&, Web::HTML::ScriptFetchOptions, Web::HTML::CORSSettingAttribute, AK::String, JS::NonnullGCPtr<JS::HeapFunction<void (JS::GCPtr<Web::HTML::Script>)>>)::$_0>::call(JS::NonnullGCPtr<Web::Fetch::Infrastructure::Response>, AK::Variant<AK::Empty, Web::Fetch::Infrastructure::FetchAlgorithms::ConsumeBodyFailureTag, AK::Detail::ByteBuffer<32ul>>) + 656
70 liblagom-web.0.0.0.dylib 0x0000000107d39e28 AK::Function<void (JS::NonnullGCPtr<Web::Fetch::Infrastructure::Response>, AK::Variant<AK::Empty, Web::Fetch::Infrastructure::FetchAlgorithms::ConsumeBodyFailureTag, AK::Detail::ByteBuffer<32ul>>)>::operator()(JS::NonnullGCPtr<Web::Fetch::Infrastructure::Response>, AK::Variant<AK::Empty, Web::Fetch::Infrastructure::FetchAlgorithms::ConsumeBodyFailureTag, AK::Detail::ByteBuffer<32ul>>) const + 208
71 liblagom-web.0.0.0.dylib 0x0000000107d3a0ec JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>::CallableWrapper<Web::Fetch::Fetching::fetch_response_handover(JS::Realm&, Web::Fetch::Infrastructure::FetchParams const&, Web::Fetch::Infrastructure::Response&)::$_5>::call(AK::Detail::ByteBuffer<32ul>) + 164
72 liblagom-web.0.0.0.dylib 0x0000000107d47b08 JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>::operator()(AK::Detail::ByteBuffer<32ul>) const + 184
73 liblagom-web.0.0.0.dylib 0x0000000107d478f0 JS::SafeFunction<void ()>::CallableWrapper<Web::Fetch::Infrastructure::Body::fully_read(JS::Realm&, JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>, JS::SafeFunction<void (JS::GCPtr<Web::WebIDL::DOMException>)>, AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Object>>) const::$_0::operator()(AK::Detail::ByteBuffer<32ul> const&)::'lambda'()>::call() + 60
74 liblagom-web.0.0.0.dylib 0x0000000107d94f74 Web::HTML::Task::execute() + 92
75 liblagom-web.0.0.0.dylib 0x0000000107d93c08 Web::HTML::EventLoop::process() + 76
76 liblagom-web.0.0.0.dylib 0x0000000107f33414 AK::Function<void ()>::CallableWrapper<Web::Platform::TimerSerenity::TimerSerenity()::$_0>::call() + 88
77 liblagom-core.0.0.0.dylib 0x0000000105aacaac AK::Function<void ()>::operator()() const + 84
78 liblagom-core.0.0.0.dylib 0x0000000105ab1138 Core::EventReceiver::dispatch_event(Core::Event&, Core::EventReceiver*) + 112
79 WebContent 0x0000000104d42828 QtPrivate::QFunctorSlotObject<Ladybird::EventLoopManagerQt::register_timer(Core::EventReceiver&, int, bool, Core::TimerShouldFireWhenNotVisible)::$_0, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) + 220
80 QtCore 0x00000001063d223c void doActivate<false>(QObject*, int, void**) + 724
81 QtCore 0x00000001063e29b4 QTimer::timerEvent(QTimerEvent*) + 136
82 QtCore 0x00000001063cccdc QObject::event(QEvent*) + 608
83 QtCore 0x0000000106396db8 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 208
84 QtCore 0x00000001064bbfd8 QTimerInfoList::activateTimers() + 788
85 QtCore 0x00000001064b94c8 QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 672
86 WebContent 0x0000000104d4162c Ladybird::EventLoopImplementationQt::pump(Core::EventLoopImplementation::PumpMode) + 72
87 liblagom-core.0.0.0.dylib 0x0000000105aaa23c Core::EventLoop::spin_until(AK::Function<bool ()>) + 100
88 liblagom-web.0.0.0.dylib 0x0000000107f3251c Web::Platform::EventLoopPluginSerenity::spin_until(JS::SafeFunction<bool ()>) + 184
89 liblagom-web.0.0.0.dylib 0x0000000107d93a9c Web::HTML::EventLoop::spin_until(JS::SafeFunction<bool ()>) + 144
90 liblagom-web.0.0.0.dylib 0x0000000107e1b560 Web::HTML::HTMLParser::handle_text(Web::HTML::HTMLToken&) + 884
91 liblagom-web.0.0.0.dylib 0x0000000107e13cc4 Web::HTML::HTMLParser::run() + 324
92 liblagom-web.0.0.0.dylib 0x0000000107e14e2c Web::HTML::HTMLParser::run(AK::URL const&) + 120
93 liblagom-web.0.0.0.dylib 0x0000000107ccf59c Web::parse_document(Web::DOM::Document&, AK::Detail::ByteBuffer<32ul> const&) + 120
94 liblagom-web.0.0.0.dylib 0x0000000107cd4868 JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>::CallableWrapper<Web::load_document(AK::Optional<Web::HTML::NavigationParams>)::$_0>::call(AK::Detail::ByteBuffer<32ul>) + 116
95 liblagom-web.0.0.0.dylib 0x0000000107d47b08 JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>::operator()(AK::Detail::ByteBuffer<32ul>) const + 184
96 liblagom-web.0.0.0.dylib 0x0000000107d478f0 JS::SafeFunction<void ()>::CallableWrapper<Web::Fetch::Infrastructure::Body::fully_read(JS::Realm&, JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>, JS::SafeFunction<void (JS::GCPtr<Web::WebIDL::DOMException>)>, AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Object>>) const::$_0::operator()(AK::Detail::ByteBuffer<32ul> const&)::'lambda'()>::call() + 60
97 liblagom-web.0.0.0.dylib 0x0000000107d94f74 Web::HTML::Task::execute() + 92
98 liblagom-web.0.0.0.dylib 0x0000000107d93c08 Web::HTML::EventLoop::process() + 76
99 liblagom-web.0.0.0.dylib 0x0000000107f33414 AK::Function<void ()>::CallableWrapper<Web::Platform::TimerSerenity::TimerSerenity()::$_0>::call() + 88
100 liblagom-core.0.0.0.dylib 0x0000000105aacaac AK::Function<void ()>::operator()() const + 84
101 liblagom-core.0.0.0.dylib 0x0000000105ab1138 Core::EventReceiver::dispatch_event(Core::Event&, Core::EventReceiver*) + 112
102 WebContent 0x0000000104d42828 QtPrivate::QFunctorSlotObject<Ladybird::EventLoopManagerQt::register_timer(Core::EventReceiver&, int, bool, Core::TimerShouldFireWhenNotVisible)::$_0, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) + 220
103 QtCore 0x00000001063d223c void doActivate<false>(QObject*, int, void**) + 724
104 QtCore 0x00000001063e29b4 QTimer::timerEvent(QTimerEvent*) + 136
105 QtCore 0x00000001063cccdc QObject::event(QEvent*) + 608
106 QtCore 0x0000000106396db8 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 208
107 QtCore 0x00000001064bbfd8 QTimerInfoList::activateTimers() + 788
108 QtCore 0x00000001064b94c8 QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 672
109 QtCore 0x000000010639e1f8 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 440
110 liblagom-core.0.0.0.dylib 0x0000000105aaa100 Core::EventLoop::exec() + 56
111 WebContent 0x0000000104d4b838 serenity_main(Main::Arguments) + 4244
112 WebContent 0x0000000104d4ee18 main + 204
113 dyld 0x00000001924a7f28 start + 2236
WebContent process crashed!
The source seems to be es-module-shims inserting a <script type="importmap" nonce="...">{"x":"blob:..."}</script> into an iframe for feature testing.
at <unknown>
at about:blank:1:98
at <unknown>
at <unknown>
at doOnload (https://node-projects.github.io/web-component-designer-demo/node_modules/es-module-shims/dist/es-module-shims.js:371:32)
at https://node-projects.github.io/web-component-designer-demo/node_modules/es-module-shims/dist/es-module-shims.js:388:47
at Promise
at https://node-projects.github.io/web-component-designer-demo/node_modules/es-module-shims/dist/es-module-shims.js:332:13
at <unknown>
I am poking around since I'm curious. It looks like just having an import map is enough to trigger a crash. Seems like the unimplemented import map handling just falls through to that assert.
