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LibWeb: Check for nullish objects in process_a_keyframe algorithm
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@ -53,7 +53,7 @@ using KeyframeType = Conditional<AL == AllowLists::Yes, BasePropertyIndexedKeyfr
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// https://www.w3.org/TR/web-animations-1/#process-a-keyframe-like-object
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template<AllowLists AL>
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static WebIDL::ExceptionOr<KeyframeType<AL>> process_a_keyframe_like_object(JS::Realm& realm, JS::GCPtr<JS::Object> keyframe_input)
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static WebIDL::ExceptionOr<KeyframeType<AL>> process_a_keyframe_like_object(JS::Realm& realm, JS::Value keyframe_input)
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{
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auto& vm = realm.vm();
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@ -96,11 +96,15 @@ static WebIDL::ExceptionOr<KeyframeType<AL>> process_a_keyframe_like_object(JS::
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// Store the result of this procedure as keyframe output.
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KeyframeType<AL> keyframe_output;
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auto offset = TRY(keyframe_input->get("offset"));
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auto easing = TRY(keyframe_input->get("easing"));
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if (keyframe_input.is_nullish())
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return keyframe_output;
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auto& keyframe_object = keyframe_input.as_object();
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auto offset = TRY(keyframe_object.get("offset"));
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auto easing = TRY(keyframe_object.get("easing"));
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if (easing.is_undefined())
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easing = JS::PrimitiveString::create(vm, "linear"_string);
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auto composite = TRY(keyframe_input->get("composite"));
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auto composite = TRY(keyframe_object.get("composite"));
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if (composite.is_undefined())
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composite = JS::PrimitiveString::create(vm, "auto"_string);
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@ -138,7 +142,7 @@ static WebIDL::ExceptionOr<KeyframeType<AL>> process_a_keyframe_like_object(JS::
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// 4. Make up a new list animation properties that consists of all of the properties that are in both input
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// properties and animatable properties, or which are in input properties and conform to the
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// <custom-property-name> production.
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auto input_properties = TRY(keyframe_input->internal_own_property_keys());
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auto input_properties = TRY(keyframe_object.internal_own_property_keys());
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Vector<String> animation_properties;
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Optional<JS::Value> all_value;
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@ -149,7 +153,7 @@ static WebIDL::ExceptionOr<KeyframeType<AL>> process_a_keyframe_like_object(JS::
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auto name = input_property.as_string().utf8_string();
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if (name == "all"sv) {
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all_value = TRY(keyframe_input->get(JS::PropertyKey { name }));
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all_value = TRY(keyframe_object.get(JS::PropertyKey { name }));
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for (auto i = to_underlying(CSS::first_longhand_property_id); i <= to_underlying(CSS::last_longhand_property_id); ++i) {
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auto property = static_cast<CSS::PropertyID>(i);
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if (CSS::is_animatable_property(property))
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@ -170,7 +174,7 @@ static WebIDL::ExceptionOr<KeyframeType<AL>> process_a_keyframe_like_object(JS::
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// as the property key and keyframe input as the receiver.
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// 2. Check the completion record of raw value.
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JS::PropertyKey key { property_name };
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auto raw_value = TRY(keyframe_input->has_property(key)) ? TRY(keyframe_input->get(key)) : *all_value;
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auto raw_value = TRY(keyframe_object.has_property(key)) ? TRY(keyframe_object.get(key)) : *all_value;
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using PropertyValuesType = Conditional<AL == AllowLists::Yes, Vector<String>, String>;
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PropertyValuesType property_values;
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@ -343,7 +347,7 @@ static WebIDL::ExceptionOr<Vector<BaseKeyframe>> process_a_keyframes_argument(JS
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// 7. Append to processed keyframes the result of running the procedure to process a keyframe-like object
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// passing nextItem as the keyframe input and with the allow lists flag set to false.
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processed_keyframes.append(TRY(process_a_keyframe_like_object<AllowLists::No>(realm, next_item.as_object())));
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processed_keyframes.append(TRY(process_a_keyframe_like_object<AllowLists::No>(realm, next_item)));
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}
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}
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// -> Otherwise,
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