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Issue #1691 - Part 6b: Initial browser support for dynamic import from module scripts. https://bugzilla.mozilla.org/show_bug.cgi?id=1342012 Factor out script fetch options from script load request classes. https://bugzilla.mozilla.org/show_bug.cgi?id=1480720 Remove support for version parameter from script loader. https://bugzilla.mozilla.org/show_bug.cgi?id=1428745

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(cherry picked from commit 3ec2529aa6303f6950622e3cb91a23580649c73b)
This commit is contained in:
Brian Smith 2023-04-10 08:48:20 -05:00 • committed by roytam1
commit 86e0057ea7
7 changed files with 558 additions and 200 deletions
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44
dom/script/ModuleLoadRequest.h
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@ -37,30 +37,42 @@ class ModuleLoadRequest final : public ScriptLoadRequest
ModuleLoadRequest(const ModuleLoadRequest& aOther) = delete;
ModuleLoadRequest(ModuleLoadRequest&& aOther) = delete;
ModuleLoadRequest(nsIURI* aURI, ScriptFetchOptions* aFetchOptions,
const SRIMetadata& aIntegrity, nsIURI* aReferrer,
bool aIsTopLevel, bool aIsDynamicImport,
ScriptLoader* aLoader, VisitedURLSet* aVisitedSet);
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ModuleLoadRequest, ScriptLoadRequest)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(ModuleLoadRequest,
ScriptLoadRequest)
// Create a top-level module load request.
ModuleLoadRequest(nsIURI* aURI,
nsIScriptElement* aElement,
uint32_t aVersion,
CORSMode aCORSMode,
const SRIMetadata& aIntegrity,
nsIURI* aReferrer,
mozilla::net::ReferrerPolicy,
ScriptLoader* aLoader);
static ModuleLoadRequest* CreateTopLevel(nsIURI* aURI,
ScriptFetchOptions* aFetchOptions,
const SRIMetadata& aIntegrity,
nsIURI* aReferrer,
ScriptLoader* aLoader);
// Create a module load request for an imported module.
ModuleLoadRequest(nsIURI* aURI,
ModuleLoadRequest* aParent);
// Create a module load request for a static module import.
static ModuleLoadRequest* CreateStaticImport(nsIURI* aURI,
ModuleLoadRequest* aParent);
// Create a module load request for dynamic module import.
static ModuleLoadRequest* CreateDynamicImport(
nsIURI* aURI, ModuleScript* aScript,
JS::Handle<JS::Value> aReferencingPrivate,
JS::Handle<JSString*> aSpecifier, JS::Handle<JSObject*> aPromise);
bool IsTopLevel() const override {
return mIsTopLevel;
}
bool IsDynamicImport() const { return mIsDynamicImport; }
void SetReady() override;
void Cancel() override;
void ClearDynamicImport();
void ModuleLoaded();
void ModuleErrored();
@ -74,6 +86,9 @@ private:
public:
// Is this a request for a top level module script or an import?
const bool mIsTopLevel;
// Is this the top level request for a dynamic module import?
const bool mIsDynamicImport;
// The base URL used for resolving relative module imports.
nsCOMPtr<nsIURI> mBaseURL;
@ -97,6 +112,11 @@ public:
// Set of module URLs visited while fetching the module graph this request is
// part of.
RefPtr<VisitedURLSet> mVisitedSet;
// For dynamic imports, the details to pass to FinishDynamicImport.
JS::Heap<JS::Value> mDynamicReferencingPrivate;
JS::Heap<JSString*> mDynamicSpecifier;
JS::Heap<JSObject*> mDynamicPromise;
};
} // dom namespace