RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 20:47:45 +00:00
Code Issues Activity Actions

LibWeb: Implement window.queueMicrotask(callback)

Browse source 
This API allows authors to schedule a serialized JS callback that will
get invoked at the next spec-allowed opportunity.
This commit is contained in:
Andreas Kling 2021-09-26 14:36:20 +02:00
parent 831fdcaabc
commit a248ec63e3
10 changed files with 144 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Userland/Libraries/LibWeb/Bindings/WindowObject.cpp
View file

@ -80,6 +80,8 @@ void WindowObject::initialize_global_object()
define_native_function("atob", atob, 1, attr);
define_native_function("btoa", btoa, 1, attr);
define_native_function("queueMicrotask", queue_microtask, 1, attr);
define_native_function("getComputedStyle", get_computed_style, 1, attr);
define_native_function("matchMedia", match_media, 1, attr);
@ -338,6 +340,27 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::cancel_animation_frame)
return JS::js_undefined();
}
JS_DEFINE_NATIVE_FUNCTION(WindowObject::queue_microtask)
{
auto* impl = impl_from(vm, global_object);
if (!impl)
return {};
if (!vm.argument_count()) {
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::BadArgCountAtLeastOne, "queueMicrotask");
return {};
}
auto* callback_object = vm.argument(0).to_object(global_object);
if (!callback_object)
return {};
if (!callback_object->is_function()) {
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotAFunctionNoParam);
return {};
}
impl->queue_microtask(static_cast<JS::FunctionObject&>(*callback_object));
return JS::js_undefined();
}
JS_DEFINE_NATIVE_FUNCTION(WindowObject::atob)
{
auto* impl = impl_from(vm, global_object);