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refactor: replace slow performing CSS selectors #2968

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refactor: replace slow performing CSS selectors #2968

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800600a
refactor: replaced by simpler solution
mfranzke Aug 3, 2024
e0eb738
test: updated screenshot
mfranzke Aug 5, 2024
dac6427
Merge branch 'main' into 2967-slow-performance-css-selectors
mfranzke Aug 5, 2024
eb92100
Merge branch 'main' into 2967-slow-performance-css-selectors
mfranzke Aug 5, 2024
ce524e4
Merge branch 'main' into 2967-slow-performance-css-selectors
mfranzke Aug 8, 2024
c651585
Merge branch 'main' into 2967-slow-performance-css-selectors
mfranzke Aug 9, 2024
a7633b6
Merge branch 'main' into 2967-slow-performance-css-selectors
mfranzke Aug 9, 2024
f5eaa2e
Update navigation.scss
mfranzke Aug 21, 2024
b8e6f06
Merge branch 'main' into 2967-slow-performance-css-selectors
mfranzke Aug 22, 2024
60e9d00
Merge branch 'main' into 2967-slow-performance-css-selectors
mfranzke Sep 14, 2024
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Binary file modified ...-highContrast/regular/neutral-bg-lvl-1/DBNavigation-should-match-screenshot.png
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13 changes: 2 additions & 11 deletions packages/components/src/components/navigation/navigation.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -80,20 +80,11 @@
}
}
}
}

&:has([aria-current="page"]),
> .db-navigation-item {
&[aria-current="page"] {
@extend %show-db-puls-auto;
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This would certainly improve performance. Unfortunately, through this change NavigationItems are no longer marked as active if a nested NavigationItem has aria-current=“page”. From a11y point of view, we recommend that you only set aria-current=“page” to the anchor that points to the current page.

An alternative would be to use JS to set an “active” class from the innermost active NavigationItem to the outermost NavigationItem. But is that better than using the has-selector...?

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I think to remember that this wasn't even only about line 84 within the original file, but especially about the upfollowing 88 till 96, that even also provided a concatenated :has selector. I'll further investigate on this one.


menu {
// hide puls for non navigation items
:has([aria-current="page"]),
[aria-current="page"] {
&::after {
display: none;
}
}
}
}
}
}
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