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- /*
- * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #include <LibJS/Runtime/PromiseReaction.h>
- #include <LibWeb/Bindings/MainThreadVM.h>
- #include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
- #include <LibWeb/WebIDL/Promise.h>
- namespace Web::Fetch::Infrastructure {
- Body::Body(JS::Handle<Streams::ReadableStream> stream)
- : m_stream(move(stream))
- {
- }
- Body::Body(JS::Handle<Streams::ReadableStream> stream, SourceType source, Optional<u64> length)
- : m_stream(move(stream))
- , m_source(move(source))
- , m_length(move(length))
- {
- }
- // https://fetch.spec.whatwg.org/#concept-body-clone
- WebIDL::ExceptionOr<Body> Body::clone() const
- {
- // To clone a body body, run these steps:
- auto& vm = Bindings::main_thread_vm();
- auto& realm = *vm.current_realm();
- auto& window = verify_cast<HTML::Window>(realm.global_object());
- // FIXME: 1. Let « out1, out2 » be the result of teeing body’s stream.
- // FIXME: 2. Set body’s stream to out1.
- auto* out2 = vm.heap().allocate<Streams::ReadableStream>(realm, window);
- // 3. Return a body whose stream is out2 and other members are copied from body.
- return Body { JS::make_handle(out2), m_source, m_length };
- }
- // https://fetch.spec.whatwg.org/#fully-reading-body-as-promise
- JS::PromiseCapability Body::fully_read_as_promise() const
- {
- auto& vm = Bindings::main_thread_vm();
- auto& realm = *vm.current_realm();
- // FIXME: Implement the streams spec - this is completely made up for now :^)
- if (auto const* byte_buffer = m_source.get_pointer<ByteBuffer>()) {
- auto result = String::copy(*byte_buffer);
- return WebIDL::create_resolved_promise(realm, JS::js_string(vm, move(result)));
- }
- // Empty, Blob, FormData
- return WebIDL::create_rejected_promise(realm, JS::InternalError::create(realm, "Reading body isn't fully implemented"sv));
- }
- }
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