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feat(toc,explorer): add accessibility for toggle (#1327)

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* Restore focus highlight on explorer toggle button.

Remove `unset: all` declaration causing `outline`
property to be unset. This allows the default
browser focus highlight to be shown.

* Fix semantics of expandable sections (explorer, toc).

This adds the appropriate aria attributes for the [disclosure pattern](https://www.w3.org/WAI/ARIA/apg/patterns/disclosure/examples/disclosure-image-description/#javascriptandcsssourcecode) and uses `visibility: hidden` to remove the hidden elements from the focus order without disrupting the animations. Further work is needed on the tree view nodes.

* Run prettier for SCSS files.
This commit is contained in:
Andrew
2024-08-08 21:07:47 -04:00
committed by GitHub
parent 12904ab796
commit 27a41abb62
6 changed files with 39 additions and 4 deletions
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12
quartz/components/styles/toc.scss
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@ -29,8 +29,18 @@ button#toc {
list-style: none;
overflow: hidden;
max-height: none;
transition: max-height 0.5s ease;
transition:
max-height 0.5s ease,
visibility 0s linear 0s;
position: relative;
visibility: visible;
&.collapsed {
transition:
max-height 0.5s ease,
visibility 0s linear 0.5s;
visibility: hidden;
}
&.collapsed > .overflow::after {
opacity: 0;