RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 10:58:12 +00:00
Code Issues Activity Actions

LibWeb: Set flex-basis to 0% when omitted from flex shorthand

Browse source 
This doesn't match the spec, *but* matches what other engines do, and it
turns out this is required for web compat. (It fixes the menu on MDN.)
This commit is contained in:
Andreas Kling 2023-06-07 17:16:49 +02:00
parent dd2080c55f
commit 102b8d717f
3 changed files with 59 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
View file

@ -5669,8 +5669,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_flex_value(Vector<ComponentValue> cons
case PropertyID::FlexGrow: {
// NOTE: The spec says that flex-basis should be 0 here, but other engines currently use 0%.
// https://github.com/w3c/csswg-drafts/issues/5742
// (flex-basis takes `<length>`, not `<number>`, so the 0 is a Length.)
auto flex_basis = TRY(LengthStyleValue::create(Length::make_px(0)));
auto flex_basis = TRY(PercentageStyleValue::create(Percentage(0)));
auto one = TRY(NumberStyleValue::create(1));
return FlexStyleValue::create(*value, one, flex_basis);
}
@ -5732,8 +5731,11 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_flex_value(Vector<ComponentValue> cons
flex_grow = TRY(property_initial_value(m_context.realm(), PropertyID::FlexGrow));
if (!flex_shrink)
flex_shrink = TRY(property_initial_value(m_context.realm(), PropertyID::FlexShrink));
if (!flex_basis)
flex_basis = TRY(property_initial_value(m_context.realm(), PropertyID::FlexBasis));
if (!flex_basis) {
// NOTE: The spec says that flex-basis should be 0 here, but other engines currently use 0%.
// https://github.com/w3c/csswg-drafts/issues/5742
flex_basis = TRY(PercentageStyleValue::create(Percentage(0)));
}
return FlexStyleValue::create(flex_grow.release_nonnull(), flex_shrink.release_nonnull(), flex_basis.release_nonnull());
}