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fix(ui): file tree scroll position is stable when browsing #2288

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fix(ui): file tree scroll position is stable when browsing #2288

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91e0de7
Package code view: file tree scroll position is stable when browsing
jhroemer Mar 26, 2026
c5b0b66
Fix comment
jhroemer Mar 26, 2026
add5bd1
improve sidebar element naming
jhroemer Mar 27, 2026
c4481e8
Ensure scroll position is reset when package + version is changed
jhroemer Mar 27, 2026
6018f65
make sure filetree does not re-render when browsing files only
jhroemer Apr 9, 2026
4fc9ebf
cleanup
jhroemer Apr 9, 2026
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17 changes: 17 additions & 0 deletions app/pages/package-code/[[org]]/[packageName]/v/[version]/[...filePath].vue
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,22 @@ definePageMeta({

const route = useRoute('code')

// Preserve file-tree scroll position across navigation
const fileTreeSidebarRef = useTemplateRef('file-tree-sidebar')
const savedFileTreeSidebarScroll = useState('code-sidebar-scroll', () => 0)
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onBeforeUnmount(() => {
savedFileTreeSidebarScroll.value = fileTreeSidebarRef.value?.scrollTop ?? 0
})

watch(
fileTreeSidebarRef,
el => {
if (el && savedFileTreeSidebarScroll.value) el.scrollTop = savedFileTreeSidebarScroll.value
},
{ once: true, flush: 'post' },
)

// Parse package name, version, and file path from URL
// Patterns:
// /code/nuxt/v/4.2.0 → packageName: "nuxt", version: "4.2.0", filePath: null (show tree)
Expand Down Expand Up @@ -349,6 +365,7 @@ defineOgImageComponent('Default', {
<div v-else-if="fileTree" class="flex flex-1" dir="ltr">
<!-- File tree sidebar - sticky with internal scroll -->
<aside
ref="file-tree-sidebar"
class="w-64 lg:w-72 border-ie border-border shrink-0 hidden md:block bg-bg-subtle sticky top-25 self-start h-[calc(100vh-7rem)] overflow-y-auto"
>
<CodeFileTree
Expand Down
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