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LibWeb: Allocate storage for pseudo element custom properties on demand

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Most elements don't have pseudo elements with CSS custom properties.
By only allocating this data structure when it's used, we can shrink
most elements by 208 bytes each. :^)
This commit is contained in:
Andreas Kling 2023-11-19 20:20:34 +01:00
parent 9edfd5e360
commit 37505d9746
2 changed files with 13 additions and 3 deletions
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5
Userland/Libraries/LibWeb/DOM/Element.h
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@ -402,7 +402,10 @@ private:
RefPtr<CSS::StyleProperties> m_computed_css_values;
HashMap<FlyString, CSS::StyleProperty> m_custom_properties;
Array<HashMap<FlyString, CSS::StyleProperty>, to_underlying(CSS::Selector::PseudoElement::PseudoElementCount)> m_pseudo_element_custom_properties;
using PseudoElementCustomProperties = Array<HashMap<FlyString, CSS::StyleProperty>, to_underlying(CSS::Selector::PseudoElement::PseudoElementCount)>;
mutable OwnPtr<PseudoElementCustomProperties> m_pseudo_element_custom_properties;
PseudoElementCustomProperties& pseudo_element_custom_properties() const;
Vector<FlyString> m_classes;
Optional<Dir> m_dir;