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LibWeb: Implement QueuingStrategy for Web::Streams::WritableStream

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Shannon Booth 2023-06-18 21:58:04 +12:00 • committed by Andreas Kling
parent 33f6e5d516
commit 9cb4bf0683
3 changed files with 9 additions and 8 deletions
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10
Userland/Libraries/LibWeb/Streams/WritableStream.cpp
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@ -17,7 +17,7 @@
namespace Web::Streams {
// https://streams.spec.whatwg.org/#ws-constructor
WebIDL::ExceptionOr<JS::NonnullGCPtr<WritableStream>> WritableStream::construct_impl(JS::Realm& realm, Optional<JS::Handle<JS::Object>> const& underlying_sink_object)
WebIDL::ExceptionOr<JS::NonnullGCPtr<WritableStream>> WritableStream::construct_impl(JS::Realm& realm, Optional<JS::Handle<JS::Object>> const& underlying_sink_object, QueuingStrategy const& strategy)
{
auto& vm = realm.vm();
@ -36,11 +36,11 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<WritableStream>> WritableStream::construct_
// 4. Perform ! InitializeWritableStream(this).
// Note: This AO configures slot values which are already specified in the class's field initializers.
// FIXME: 5. Let sizeAlgorithm be ! ExtractSizeAlgorithm(strategy).
SizeAlgorithm size_algorithm = [](auto const&) { return JS::normal_completion(JS::Value(1)); };
// 5. Let sizeAlgorithm be ! ExtractSizeAlgorithm(strategy).
auto size_algorithm = extract_size_algorithm(strategy);
// FIXME: 6. Let highWaterMark be ? ExtractHighWaterMark(strategy, 1).
auto high_water_mark = 1.0;
// 6. Let highWaterMark be ? ExtractHighWaterMark(strategy, 1).
auto high_water_mark = TRY(extract_high_water_mark(strategy, 1));
// 7. Perform ? SetUpWritableStreamDefaultControllerFromUnderlyingSink(this, underlyingSink, underlyingSinkDict, highWaterMark, sizeAlgorithm).
TRY(set_up_writable_stream_default_controller_from_underlying_sink(*writable_stream, underlying_sink, underlying_sink_dict, high_water_mark, move(size_algorithm)));