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LibWeb: Don't crash with invalid import maps

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See:
 - http://wpt.live/import-maps/multiple-import-maps/with-errors.html
This commit is contained in:
Jamie Mansfield
2024-08-04 14:08:32 +01:00
committed by Andreas Kling
parent 040653311e
commit c891b83fc0
4 changed files with 35 additions and 11 deletions
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9
Userland/Libraries/LibWeb/HTML/Scripting/ImportMapParseResult.h
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@@ -11,6 +11,7 @@
#include <LibURL/URL.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/Scripting/ImportMap.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::HTML {
@@ -29,8 +30,8 @@ public:
[[nodiscard]] Optional<ImportMap> const& import_map() const { return m_import_map; }
void set_import_map(ImportMap const& value) { m_import_map = value; }
[[nodiscard]] JS::Value error_to_rethrow() const { return m_error_to_rethrow; }
void set_error_to_rethrow(JS::Value value) { m_error_to_rethrow = value; }
[[nodiscard]] Optional<WebIDL::Exception> const& error_to_rethrow() const { return m_error_to_rethrow; }
void set_error_to_rethrow(WebIDL::Exception const& value) { m_error_to_rethrow = value; }
void register_import_map(Window& global);
@@ -40,13 +41,13 @@ protected:
virtual void visit_edges(Visitor&) override;
private:
virtual void visit_host_defined_self(JS::Cell::Visitor&) override;
virtual void visit_host_defined_self(Visitor&) override;
// https://html.spec.whatwg.org/multipage/webappapis.html#impr-import-map
Optional<ImportMap> m_import_map;
// https://html.spec.whatwg.org/multipage/webappapis.html#impr-error-to-rethrow
JS::Value m_error_to_rethrow;
Optional<WebIDL::Exception> m_error_to_rethrow;
};
}