forked from mirrors/gecko-dev
5f7c671736
Dynamic import is prevented by IsDynamicImportSupported, and now it now throws TypeError instead of Error, and related wpt passes with it. Differential Revision: https://phabricator.services.mozilla.com/D202494
85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_loader_WorkerModuleLoader_h
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#define mozilla_loader_WorkerModuleLoader_h
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#include "js/loader/ModuleLoaderBase.h"
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#include "js/loader/ScriptFetchOptions.h"
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#include "mozilla/dom/SerializedStackHolder.h"
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#include "mozilla/UniquePtr.h"
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namespace mozilla::dom::workerinternals::loader {
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class WorkerScriptLoader;
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// alias common classes
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using ScriptFetchOptions = JS::loader::ScriptFetchOptions;
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using ScriptKind = JS::loader::ScriptKind;
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using ScriptLoadRequest = JS::loader::ScriptLoadRequest;
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using ScriptLoadRequestList = JS::loader::ScriptLoadRequestList;
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using ModuleLoadRequest = JS::loader::ModuleLoadRequest;
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// WorkerModuleLoader
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//
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// The WorkerModuleLoader provides the methods that implement specification
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// step 5 from "To fetch a worklet/module worker script graph", specifically for
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// workers. In addition, this implements worker specific initialization for
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// Static imports and Dynamic imports.
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//
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// The steps are outlined in "To fetch the descendants of and link a module
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// script" and are common for all Modules. Thus we delegate to ModuleLoaderBase
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// for those steps.
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class WorkerModuleLoader : public JS::loader::ModuleLoaderBase {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(WorkerModuleLoader,
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JS::loader::ModuleLoaderBase)
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WorkerModuleLoader(WorkerScriptLoader* aScriptLoader,
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nsIGlobalObject* aGlobalObject);
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private:
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~WorkerModuleLoader() = default;
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bool CreateDynamicImportLoader();
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void SetScriptLoader(JS::loader::ScriptLoaderInterface* aLoader) {
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mLoader = aLoader;
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}
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WorkerScriptLoader* GetCurrentScriptLoader();
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WorkerScriptLoader* GetScriptLoaderFor(ModuleLoadRequest* aRequest);
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nsIURI* GetBaseURI() const override;
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already_AddRefed<ModuleLoadRequest> CreateStaticImport(
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nsIURI* aURI, ModuleLoadRequest* aParent) override;
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already_AddRefed<ModuleLoadRequest> CreateDynamicImport(
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JSContext* aCx, nsIURI* aURI, LoadedScript* aMaybeActiveScript,
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JS::Handle<JSString*> aSpecifier,
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JS::Handle<JSObject*> aPromise) override;
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bool IsDynamicImportSupported() override;
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bool CanStartLoad(ModuleLoadRequest* aRequest, nsresult* aRvOut) override;
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// StartFetch is special for worker modules, as we need to move back to the
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// main thread to start a new load.
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nsresult StartFetch(ModuleLoadRequest* aRequest) override;
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nsresult CompileFetchedModule(
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JSContext* aCx, JS::Handle<JSObject*> aGlobal,
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JS::CompileOptions& aOptions, ModuleLoadRequest* aRequest,
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JS::MutableHandle<JSObject*> aModuleScript) override;
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void OnModuleLoadComplete(ModuleLoadRequest* aRequest) override;
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bool IsModuleEvaluationAborted(ModuleLoadRequest* aRequest) override;
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};
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} // namespace mozilla::dom::workerinternals::loader
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#endif // mozilla_loader_WorkerModuleLoader_h
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