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LibWeb/DOM: Don't crash getting custom properties from invalid pseudos

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Sam Atkins 2025-06-25 16:34:36 +01:00 • committed by Tim Ledbetter
commit 97ad1ea7e0
Notes: github-actions[bot] 2025-07-09 15:46:13 +00:00
1 changed files with 4 additions and 1 deletions
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5
Libraries/LibWeb/DOM/Element.cpp
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@ -3026,10 +3026,13 @@ void Element::set_custom_properties(Optional<CSS::PseudoElement> pseudo_element,
HashMap<FlyString, CSS::StyleProperty> const& Element::custom_properties(Optional<CSS::PseudoElement> pseudo_element) const HashMap<FlyString, CSS::StyleProperty> const& Element::custom_properties(Optional<CSS::PseudoElement> pseudo_element) const
{ {
static HashMap<FlyString, CSS::StyleProperty> s_empty_custom_properties;
if (!pseudo_element.has_value()) if (!pseudo_element.has_value())
return m_custom_properties; return m_custom_properties;
VERIFY(CSS::Selector::PseudoElementSelector::is_known_pseudo_element_type(pseudo_element.value())); if (!CSS::Selector::PseudoElementSelector::is_known_pseudo_element_type(pseudo_element.value()))
return s_empty_custom_properties;
return ensure_pseudo_element(pseudo_element.value()).custom_properties(); return ensure_pseudo_element(pseudo_element.value()).custom_properties();
} }