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LibWeb: Implement TextEncoderStream

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Required by the server-side rendering mode of React Router, used by
https://chatgpt.com/

Note that the imported tests do not have the worker variants to prevent
freezing on macOS.
This commit is contained in:
Luke Wilde 2025-02-05 19:51:33 +00:00 • committed by Tim Flynn
parent 24d5f24749
commit cae0ee6fa7
Notes: github-actions[bot] 2025-02-07 16:05:51 +00:00
36 changed files with 1375 additions and 0 deletions
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41
Libraries/LibWeb/Encoding/TextEncoderStream.h Normal file
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/*
* Copyright (c) 2025, Luke Wilde <luke@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Encoding/TextEncoderCommon.h>
#include <LibWeb/Streams/GenericTransformStream.h>
namespace Web::Encoding {
class TextEncoderStream final
: public Bindings::PlatformObject
, public Streams::GenericTransformStreamMixin
, public TextEncoderCommonMixin {
WEB_PLATFORM_OBJECT(TextEncoderStream, Bindings::PlatformObject);
GC_DECLARE_ALLOCATOR(TextEncoderStream);
public:
static WebIDL::ExceptionOr<GC::Ref<TextEncoderStream>> construct_impl(JS::Realm&);
virtual ~TextEncoderStream() override;
private:
TextEncoderStream(JS::Realm&, GC::Ref<Streams::TransformStream>);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
WebIDL::ExceptionOr<void> encode_and_enqueue_chunk(JS::Value);
WebIDL::ExceptionOr<void> encode_and_flush();
Optional<u32> convert_code_unit_to_scalar_value(u32 item, Utf8CodePointIterator& code_point_iterator);
// https://encoding.spec.whatwg.org/#textencoderstream-pending-high-surrogate
Optional<u32> m_leading_surrogate;
};
}