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https://github.com/RGBCube/serenity
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12ff48047f
This adds the Transformer API which the TransformStream() constructor accepts as its first argument.
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/*
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* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/VM.h>
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#include <LibWeb/Streams/AbstractOperations.h>
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#include <LibWeb/Streams/Transformer.h>
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#include <LibWeb/WebIDL/CallbackType.h>
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namespace Web::Streams {
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JS::ThrowCompletionOr<Transformer> Transformer::from_value(JS::VM& vm, JS::Value value)
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{
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if (!value.is_object())
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return Transformer {};
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auto& object = value.as_object();
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Transformer transformer {
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.start = TRY(property_to_callback(vm, value, "start", WebIDL::OperationReturnsPromise::No)),
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.transform = TRY(property_to_callback(vm, value, "transform", WebIDL::OperationReturnsPromise::Yes)),
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.flush = TRY(property_to_callback(vm, value, "flush", WebIDL::OperationReturnsPromise::Yes)),
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.readable_type = {},
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.writable_type = {},
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};
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if (TRY(object.has_property("readableType")))
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transformer.readable_type = TRY(object.get("readableType"));
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if (TRY(object.has_property("writableType")))
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transformer.writable_type = TRY(object.get("writableType"));
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return transformer;
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}
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}
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