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LibWeb: Mostly implement ReadableByteStreamController.[[ReleaseSteps]]

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Matthew Olsson 2023-04-08 11:49:58 -07:00 • committed by Linus Groh
parent 51abecc8bc
commit bd7809cc18
2 changed files with 22 additions and 0 deletions
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21
Userland/Libraries/LibWeb/Streams/ReadableByteStreamController.cpp
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@ -106,6 +106,27 @@ WebIDL::ExceptionOr<void> ReadableByteStreamController::pull_steps(NonnullRefPtr
return {};
}
// https://streams.spec.whatwg.org/#rbs-controller-private-pull
WebIDL::ExceptionOr<void> ReadableByteStreamController::release_steps()
{
auto& vm = this->vm();
// 1. If this.[[pendingPullIntos]] is not empty,
if (!m_pending_pull_intos.is_empty()) {
// 1. Let firstPendingPullInto be this.[[pendingPullIntos]][0].
auto first_pending_pull_into = m_pending_pull_intos.first();
// 2. Set firstPendingPullInto’s reader type to "none".
first_pending_pull_into.reader_type = ReaderType::None;
// 3. Set this.[[pendingPullIntos]] to the list « firstPendingPullInto ».
m_pending_pull_intos.clear();
TRY_OR_THROW_OOM(vm, m_pending_pull_intos.try_append(first_pending_pull_into));
}
return {};
}
void ReadableByteStreamController::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);