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feat: URL hash deep-linking for title TOC chapters #98

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Merged
williamzujkowski merged 1 commit into from
Mar 30, 2026
Merged

feat: URL hash deep-linking for title TOC chapters #98

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18 changes: 18 additions & 0 deletions apps/web/src/pages/browse/[title].astro
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,7 @@ const autoExpand = sortedChapters.length <= 10;

return (
<details
id={`chapter-${chapterNum}`}
class="group rounded border border-gray-200 dark:border-gray-800"
open={autoExpand}
>
Expand Down Expand Up @@ -207,4 +208,21 @@ const autoExpand = sortedChapters.length <= 10;
);
})}
</div>

<!-- URL hash support: auto-expand chapter from #chapter-N and scroll to it -->
<script is:inline>
(function () {
function openFromHash() {
var hash = window.location.hash;
if (!hash || !hash.startsWith('#chapter-')) return;
var el = document.getElementById(hash.slice(1));
if (el && el.tagName === 'DETAILS') {
el.open = true;
el.scrollIntoView({ behavior: 'smooth', block: 'start' });
}
}
openFromHash();
window.addEventListener('hashchange', openFromHash);
})();
</script>
</BaseLayout>
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