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LibJS+LibWeb: Bring script fetching closer to the spec

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This patch updates various parts of the script fetching implementation
to match the current specification.

Notably, the implementation of changes to the import assertions /
attributes proposal are not part of this patch(series).
This commit is contained in:
networkException 2023-10-29 02:53:53 +01:00 • committed by Andreas Kling
parent 5b1d0d4d1b
commit ff6d7cf3e4
8 changed files with 406 additions and 47 deletions
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9
Userland/Libraries/LibJS/Runtime/VM.h
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@ -2,6 +2,7 @@
* Copyright (c) 2020-2023, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2023, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2022, David Tuin <davidot@serenityos.org>
* Copyright (c) 2023, networkException <networkexception@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -14,6 +15,7 @@
#include <AK/RefCounted.h>
#include <AK/StackInfo.h>
#include <AK/Variant.h>
#include <LibJS/CyclicModule.h>
#include <LibJS/Heap/Heap.h>
#include <LibJS/Heap/MarkedVector.h>
#include <LibJS/Runtime/CommonPropertyNames.h>
@ -222,6 +224,13 @@ public:
ScriptOrModule get_active_script_or_module() const;
// NOTE: The host defined implementation described in the web spec https://html.spec.whatwg.org/multipage/webappapis.html#hostloadimportedmodule
// currently references proposal-import-attributes.
// Our implementation of this proposal is outdated however, as such we try to adapt the proposal and living standard
// to match our implementation for now.
// 16.2.1.8 HostLoadImportedModule ( referrer, moduleRequest, hostDefined, payload ), https://tc39.es/proposal-import-attributes/#sec-HostLoadImportedModule
Function<void(Realm&, Variant<NonnullGCPtr<Script>, NonnullGCPtr<CyclicModule>>, ModuleRequest const&, Optional<GraphLoadingState::HostDefined>, GraphLoadingState&)> host_load_imported_module;
Function<ThrowCompletionOr<NonnullGCPtr<Module>>(ScriptOrModule, ModuleRequest const&)> host_resolve_imported_module;
Function<ThrowCompletionOr<void>(ScriptOrModule, ModuleRequest, PromiseCapability const&)> host_import_module_dynamically;
Function<void(ScriptOrModule, ModuleRequest const&, PromiseCapability const&, Promise*)> host_finish_dynamic_import;