ladybird/Libraries/LibWeb/Streams/Transformer.cpp

39 lines
1.2 KiB
C++

/*
* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/VM.h>
#include <LibWeb/Streams/AbstractOperations.h>
#include <LibWeb/Streams/Transformer.h>
#include <LibWeb/WebIDL/CallbackType.h>
namespace Web::Streams {
JS::ThrowCompletionOr<Transformer> Transformer::from_value(JS::VM& vm, JS::Value value)
{
if (!value.is_object())
return Transformer {};
auto& object = value.as_object();
Transformer transformer {
.start = TRY(property_to_callback(vm, value, "start", WebIDL::OperationReturnsPromise::No)),
.transform = TRY(property_to_callback(vm, value, "transform", WebIDL::OperationReturnsPromise::Yes)),
.flush = TRY(property_to_callback(vm, value, "flush", WebIDL::OperationReturnsPromise::Yes)),
.cancel = TRY(property_to_callback(vm, value, "cancel", WebIDL::OperationReturnsPromise::Yes)),
.readable_type = {},
.writable_type = {},
};
if (TRY(object.has_property("readableType")))
transformer.readable_type = TRY(object.get("readableType"));
if (TRY(object.has_property("writableType")))
transformer.writable_type = TRY(object.get("writableType"));
return transformer;
}
}