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@@ -38,6 +38,7 @@
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#include <LibWeb/FileAPI/BlobURLStore.h>
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#include <LibWeb/HTML/EventLoop/EventLoop.h>
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#include <LibWeb/HTML/Scripting/Environments.h>
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+#include <LibWeb/HTML/Scripting/TemporaryExecutionContext.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/HTML/WorkerGlobalScope.h>
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#include <LibWeb/HighResolutionTime/TimeOrigin.h>
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@@ -47,6 +48,9 @@
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#include <LibWeb/ReferrerPolicy/AbstractOperations.h>
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#include <LibWeb/SRI/SRI.h>
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#include <LibWeb/SecureContexts/AbstractOperations.h>
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+#include <LibWeb/Streams/TransformStream.h>
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+#include <LibWeb/Streams/TransformStreamDefaultController.h>
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+#include <LibWeb/Streams/Transformer.h>
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#include <LibWeb/WebIDL/DOMException.h>
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namespace Web::Fetch::Fetching {
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@@ -88,7 +92,6 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Infrastructure::FetchController>> fetch(JS:
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// FIXME: 5. If useParallelQueue is true, then set taskDestination to the result of starting a new parallel queue.
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(void)use_parallel_queue;
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- (void)task_destination;
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// 6. Let timingInfo be a new fetch timing info whose start time and post-redirect start time are the coarsened
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// shared current time given crossOriginIsolatedCapability, and render-blocking is set to request’s
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@@ -669,11 +672,29 @@ void fetch_response_handover(JS::Realm& realm, Infrastructure::FetchParams const
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}
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// 7. Otherwise:
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else {
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- // FIXME: 1. Let transformStream be a new TransformStream.
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- // FIXME: 2. Let identityTransformAlgorithm be an algorithm which, given chunk, enqueues chunk in transformStream.
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- // FIXME: 3. Set up transformStream with transformAlgorithm set to identityTransformAlgorithm and flushAlgorithm set
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- // to processResponseEndOfBody.
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- // FIXME: 4. Set internalResponse’s body’s stream to the result of internalResponse’s body’s stream piped through transformStream.
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+ HTML::TemporaryExecutionContext const execution_context { Bindings::host_defined_environment_settings_object(realm), HTML::TemporaryExecutionContext::CallbacksEnabled::Yes };
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+
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+ // 1. Let transformStream be a new TransformStream.
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+ auto transform_stream = realm.heap().allocate<Streams::TransformStream>(realm, realm);
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+
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+ // 2. Let identityTransformAlgorithm be an algorithm which, given chunk, enqueues chunk in transformStream.
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+ auto identity_transform_algorithm = JS::create_heap_function(realm.heap(), [&realm, transform_stream](JS::Value chunk) -> JS::NonnullGCPtr<WebIDL::Promise> {
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+ MUST(Streams::transform_stream_default_controller_enqueue(*transform_stream->controller(), chunk));
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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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+ // 3. Set up transformStream with transformAlgorithm set to identityTransformAlgorithm and flushAlgorithm set
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+ // to processResponseEndOfBody.
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+ auto flush_algorithm = JS::create_heap_function(realm.heap(), [&realm, process_response_end_of_body]() -> JS::NonnullGCPtr<WebIDL::Promise> {
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+ process_response_end_of_body();
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+ return WebIDL::create_resolved_promise(realm, JS::js_undefined());
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+ });
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+ Streams::transform_stream_set_up(transform_stream, identity_transform_algorithm, flush_algorithm);
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+
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+ // 4. Set internalResponse’s body’s stream to the result of internalResponse’s body’s stream piped through transformStream.
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+ auto promise = Streams::readable_stream_pipe_to(internal_response->body()->stream(), transform_stream->writable(), false, false, false, {});
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+ WebIDL::mark_promise_as_handled(*promise);
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+ internal_response->body()->set_stream(transform_stream->readable());
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}
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// 8. If fetchParams’s process response consume body is non-null, then:
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Kenneth Myhra