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LibWeb: Treat null as empty string in CSSStyleDeclaration::internal_set
Spec defines `[LegacyNullToEmptyString]` on `value` argument of `setProperty` but since `internal_set` calls `setProperty` directly instead of using IDL generated binding, we need to make sure that null is treated as empty string. Fixes items grid loading on https://d.rsms.me/stuff/
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3 changed files with 19 additions and 1 deletions
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@ -432,7 +432,7 @@ JS::ThrowCompletionOr<bool> CSSStyleDeclaration::internal_set(JS::PropertyKey co
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if (property_id == CSS::PropertyID::Invalid)
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return Base::internal_set(name, value, receiver, cacheable_metadata);
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auto css_text = TRY(value.to_string(vm));
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auto css_text = value.is_null() ? String {} : TRY(value.to_string(vm));
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TRY(Bindings::throw_dom_exception_if_needed(vm, [&] { return set_property(property_id, css_text); }));
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return true;
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