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@@ -4,7 +4,6 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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-#include <LibJS/Heap/HeapFunction.h>
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#include <LibJS/Runtime/PromiseCapability.h>
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/Fetch/BodyInit.h>
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@@ -47,32 +46,16 @@ void Body::visit_edges(Cell::Visitor& visitor)
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}
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// https://fetch.spec.whatwg.org/#concept-body-clone
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-JS::NonnullGCPtr<Body> Body::clone(JS::Realm& realm) const
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+JS::NonnullGCPtr<Body> Body::clone(JS::Realm& realm)
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{
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HTML::TemporaryExecutionContext execution_context { Bindings::host_defined_environment_settings_object(realm), HTML::TemporaryExecutionContext::CallbacksEnabled::Yes };
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// To clone a body body, run these steps:
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- // FIXME: 1. Let « out1, out2 » be the result of teeing body’s stream.
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- // FIXME: 2. Set body’s stream to out1.
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- JS::GCPtr<Streams::ReadableStream> out2;
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+ // 1. Let « out1, out2 » be the result of teeing body’s stream.
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+ auto [out1, out2] = m_stream->tee().release_value_but_fixme_should_propagate_errors();
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- auto start_algorithm = JS::create_heap_function(realm.heap(), []() -> WebIDL::ExceptionOr<JS::Value> {
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- return JS::js_undefined();
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- });
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-
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- auto pull_algorithm = JS::create_heap_function(realm.heap(), [&realm]() -> WebIDL::ExceptionOr<JS::NonnullGCPtr<WebIDL::Promise>> {
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- return WebIDL::create_resolved_promise(realm, JS::js_undefined());
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- });
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-
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- auto cancel_algorithm = JS::create_heap_function(realm.heap(), [&realm](JS::Value) -> WebIDL::ExceptionOr<JS::NonnullGCPtr<WebIDL::Promise>> {
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- return WebIDL::create_resolved_promise(realm, JS::js_undefined());
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- });
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-
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- if (m_stream->controller()->has<JS::NonnullGCPtr<Streams::ReadableStreamDefaultController>>()) {
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- out2 = Streams::create_readable_stream(realm, start_algorithm, pull_algorithm, cancel_algorithm).release_value_but_fixme_should_propagate_errors();
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- } else {
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- out2 = Streams::create_readable_byte_stream(realm, start_algorithm, pull_algorithm, cancel_algorithm).release_value_but_fixme_should_propagate_errors();
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- }
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+ // 2. Set body’s stream to out1.
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+ m_stream = out1;
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// 3. Return a body whose stream is out2 and other members are copied from body.
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return Body::create(realm.vm(), *out2, m_source, m_length);
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Timothy Flynn