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LibWeb: Add Transformer API

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This adds the Transformer API which the TransformStream() constructor
accepts as its first argument.
This commit is contained in:
Kenneth Myhra 2023-07-02 21:42:02 +02:00 • committed by Andreas Kling
parent 3ec9fd0aae
commit 12ff48047f
4 changed files with 72 additions and 0 deletions
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32
Userland/Libraries/LibWeb/Streams/Transformer.h Normal file
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/*
* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Forward.h>
#include <LibJS/Heap/Handle.h>
#include <LibWeb/Forward.h>
namespace Web::Streams {
// https://streams.spec.whatwg.org/#dictdef-transformer
struct Transformer {
// https://streams.spec.whatwg.org/#dom-transformer-start
JS::Handle<WebIDL::CallbackType> start;
// https://streams.spec.whatwg.org/#dom-transformer-transform
JS::Handle<WebIDL::CallbackType> transform;
// https://streams.spec.whatwg.org/#dom-transformer-flush
JS::Handle<WebIDL::CallbackType> flush;
// https://streams.spec.whatwg.org/#dom-transformer-readabletype
Optional<JS::Value> readable_type;
// https://streams.spec.whatwg.org/#dom-transformer-writabletype
Optional<JS::Value> writable_type;
static JS::ThrowCompletionOr<Transformer> from_value(JS::VM&, JS::Value);
};
}