- Replace inline arrow closures in renderTrackRow with event delegation via data-index
- Replace inline arrow closures in renderTrackItem with event delegation via data-index
- Add delegated click/dblclick/contextmenu/dragstart handlers on virtualizer elements
- Remove button click in queue panel also delegated via closest('.remove-button')
- Zero new function objects created per renderItem call during scroll
- contain: layout style on :host of all 6 scroll-heavy components
- contain: paint + will-change: transform on all scroll containers for GPU compositing
- content-visibility: auto + contain-intrinsic-size on .album-card for off-screen skip
- cover-grid, track-list, queue-panel, artists-view, genres-view, playlist-view
- Add handleSelectAll bound handler calling selection.selectAll() in all three components
- Register/unregister event listeners in connectedCallback/disconnectedCallback
Move search indicator from absolute-positioned overlay into sort toolbar
(or dedicated search-bar-row for artists/genres views). Shows indicator
on empty-state screens. Fix cover art not displaying for expanded album
tracks by checking expandedAlbumId before the albumName guard. Add
ScanWarning model bindings.
repeat() as child content of lit-virtualizer bypasses virtualization,
rendering ALL items instead of only visible ones. This caused 2+ minute
loading times and UI freezing with large libraries.
The correct approach: use lit-virtualizer's native .renderItem and
.keyFunction properties which integrate with its scroll-based viewport
management.
- cover-grid dynamic text tiers use --yj-text-xs/sm/md/lg tokens
- track-list sort toolbar, row text, and fav icon use design tokens
- queue-panel header and track text use type scale tokens
- track-details, track-info, artist-details, genre-details use tokens
- designTokens imported and prepended to static styles in all 8 files
- Hoist searchCtrl.term lookup outside per-column loop in renderTrackRow
- Search highlighting already short-circuits when search term is empty
- Import classMap in queue-panel.ts
- Replace array filter/join class construction with classMap in renderTrackItem
- Eliminates per-row array allocation in queue panel render hot path
- Import classMap from lit/directives/class-map.js
- Replace array filter/join class construction with classMap for track-row
- Convert fav-icon conditional class to classMap
- Convert cell alignment classes to classMap
- Eliminates per-row array allocation and string join in render hot path
album artist gets populated with artist as fallback (frontend also uses
this as display name fallback for albums). added scroll position
persistence when switching main views. also added frontend cache for
faster switching.
yonlu
logan