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LibWeb: Handle single value properties when normalizing transition lists

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Previously, if a transition property was not wrapped in a list, it
would be replaced with the default value in
`StyleComputer::compute_transitioned_properties`.
This commit is contained in:
Tim Ledbetter 2025-04-23 18:35:45 +01:00 committed by Sam Atkins
parent 1f8f3804a3
commit 7a391f419a
1 changed files with 6 additions and 0 deletions
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6
Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -1342,6 +1342,12 @@ static void compute_transitioned_properties(ComputedProperties const& style, DOM
auto const* style_value = style.maybe_null_property(property); auto const* style_value = style.maybe_null_property(property);
StyleValueVector list; StyleValueVector list;
if (style_value && !style_value->is_value_list()) {
for (size_t i = 0; i < properties.size(); i++)
list.append(*style_value);
return list;
}
if (!style_value || !style_value->is_value_list() || style_value->as_value_list().size() == 0) { if (!style_value || !style_value->is_value_list() || style_value->as_value_list().size() == 0) {
auto default_value = make_default_value(); auto default_value = make_default_value();
for (size_t i = 0; i < properties.size(); i++) for (size_t i = 0; i < properties.size(); i++)