Every locale formatter takes the language as an argument. Under the React
Compiler a formatter that read the i18n singleton was memoized on its other
arguments, so a card kept "2 hr 4 min" after a switch to Hungarian; plexLang()
had the same flaw and left Plex queries in the old language. Components now
take the language from useTranslation, and the signature makes forgetting it
a type error.
- ratings, file sizes, stream stats: the language's decimal mark ("8,3")
- view and subscriber counts compact in the language ("1,2 E")
- seconds as the language's unit ("6 mp") in the sliders and the stats
- a person's birth and death dates as dates, not ISO strings
- A-Z lists by the shown name in the language's alphabet (compareText),
the tag catalog re-sorted by its translated names
- lint local/locale-format (was date-format) also refuses Intl.NumberFormat
outside lib/format.ts, localeCompare, and a component reading the language
off the i18n singleton
A tabletHidden/narrowHidden column below its width, or any column in a card
layout, took its header funnel with it: the rows were narrowed by a filter
nobody could see. The cue is shown by the inverse of the column's own
container query, so it agrees with the table at every width and text size.
Wired into DataTable, the playlist table and the channel cards (E28 F2).
The pager is four named arrows round the page box (first, previous,
next, last). A table hides a tabletHidden column below 64rem of its own
width, as narrowHidden does below 42rem, through one shared helper that
also hides the column's <col>. The Channels table drops Prio, About and
Length there: at 1024 the channel name had 60 px.
Tags A-Z as in-place checks (the menu stays open for the next); Priority
as the fixed steps 10 5 3 2 1 0, an off-scale current value ticked in its
place. A pick re-sorts the list at once, moving only that row
(placeByPriority, the server's order), and the table / card pager and
the focus follow it (DataTable and useCardPager take a reveal seq,
listNav.focusNavItem lands on the row's own "…", a virtualized card
revealed first). ActionMenu rows take check: many | one. The menu reads
the row fresh from the cache and keys its target by id.
- F12 (owner: A): SwitchRow, the whole settings row toggles; a Config boolean toggles from its title
and hint (a label pointed at the switch).
- F14 (owner: B): the form dropdown trigger wears the field frame (see-through, the >= 3:1 edge);
labelled pills keep the faint edge and the accent-edge hover. DESIGN says so, with log rows.
- F6: ~15 bg-card / bg-border / opacity hovers onto the B3 state layer; a lint rule (HOVER_SWAP)
refuses the swap, contract-tested.
- F10: bare 14px icon links onto IconLink / LinkButton; a local lint rule refuses a glyph-only <a>.
- F13: reason-disabled controls are aria-disabled (Users, Channels backfill, Discovery, Scheduler
runs, Config tests); FocusSafeButton now swallows the click of a caller's aria-disabled; the
Config tests say why while dirty (testDirty, HU/EN).
- F5/F11: every control measured live at 24 (mouse) and 44 (coarse) across every page; touch-target
is a utility that wins over a caller's min-h-6; link variants carry it too; SegmentedToggle,
Tabs, NavRail, menu rows, PriorityStepper, sliders, CheckRow, InnerInput, card links and the rest.
- F9: DismissibleChip's label reaches the chip's 24; the Combobox chips are DismissibleChips.
- F15: the "+N" / "More..." open state worded as it renders.
Burns the first 14 of the 113 hook suppressions. Three verdicts, applied per site:
A useEffect that should not exist (6):
- Avatar remembered "the image failed" as a boolean an effect reset on src change. The
component is recycled across items in the virtualized feed, so after one avatar 429s the
next item's slot committed the fallback initial over a perfectly good image and only the
post-paint effect cleared it. The failure is now keyed BY URL; derived state cannot be stale.
- Combobox cleared the typed query from an effect on `open`. Moved into setOpenAnd, the single
funnel every close goes through. That also stops a spurious onQueryChange("") AT MOUNT, which
told a controlled caller its own initial query had been cleared before the user touched it.
- CommandPalette reset query + picked row from an effect. Closed now means UNMOUNTED, not
hidden, so a fresh open starts blank because mounting already means that -- and the ranking
memo over every channel, playlist and saved view stops running while the palette is shut.
- Pager's page box held a copy of the page that an effect re-synced; it now derives it and
keeps a draft only while being edited.
- App's ?link= / ?oauth= / ?admin= one-shots asserted "once per mount" with an empty dep list.
The ref guard the codebase already uses in 22 places ENFORCES it, so the honest deps can
include `t` -- which a language switch legitimately changes, and which would otherwise have
re-fired the toast.
Honest deps that also fix something (5):
- App's module preload was keyed on the account id, so a permission change that alters the
module set without moving the id never re-preloaded. `preload()` is idempotent, so depending
on `me` costs nothing.
- App's access-request nudge now re-issues on a language switch; it used to stay in the old
language until the pending count changed.
- App's diagnostics effect: applyDiagnostics already no-ops on an unchanged effective level,
so picking four fields out by hand was guarding nothing and missed any field added later.
- DataTable's two filter effects: a ref holds the latest onFiltersChange so commitFilters can
be stable, which is what lets the effects name it instead of switching the check off.
Genuine escape hatches (7) moved OUT of eslint-suppressions.json into inline directives that
name the invariant at the site -- the toast handover's render-phase global, the live region's
deliberate arming tick, the docked one-slot component, the popover engine's floating-ui list
state, dnd-kit's per-drag `moved` flag, BackToTop's DOM read and the palette's debounced
announcement. A reader of the code now sees why; a JSON file no one opens does not.
Tests: Avatar (3, new file) and Pager (3) pin the derived-state frames with a layout-phase
probe -- layout effects run before any passive effect, so they read the frame the browser would
paint. Combobox (2) pins the close-clears-query contract and the no-callback-at-mount rule.
All three sets mutation-checked against the effect-based originals.
Suppressions 113 -> 99; exhaustive-deps 45 -> 35.
Deep review of the debt burn, each measured in Chrome:
- Back from a sub-view whose focused control the swap removed: the focus keeper put the focus on a
stand-in (the returning list's first item) and `restoreNavPosition`, finding the focus "already
somewhere", gave up — Plex show → Back landed on tile 0, not the tile it was opened from. A
stand-in the keeper placed now counts as untouched, like <body>. The keeper's walk up also stops
at its container: a slot left with nothing focusable no longer sends the focus to the first
control of the whole document.
- DataTable enabled both layouts' keyboard lists with the same flag, and `useListNav` reads its ref
only when the flag changes: after a resize across `md`, the layout that mounted was never
registered (no j/k) and the one that left stayed registered. Each is enabled with its layout.
- A Plex playlist nests blocks and each show's episodes in one DndContext; closestCenter and the
keyboard coordinates weighed every droppable, so a movie landed "over" an episode — announced as
a place in the other list, dropped somewhere else or nowhere. `sameListCollision` and
`sameListKeyboardCoordinates` keep a drag among its siblings; onDragEnd's episode → block
resolution is gone with the case.
- dnd-kit reports the item over itself in the pick-up's own tick; announced, "moved to position 1"
replaced "picked up … use the arrow keys" before a screen reader read it.
- "A page with a sticky ColumnHead must declare fadeTop: false" lived in
prose: a registry flag on three pages plus an App special case for the
Channels card layout, and the next table page would have re-acquired the
fade-on-the-header defect with every lane green. ColumnHead now registers
itself with the enclosing PageScroller (ui/stickyTop) while mounted; the
registry flag, the App branch and the prop plumbing are gone. Measured on
localdev: the top mask is 0px under Channels' and Audit's headers, 20px on
Home and the Feed.
- ui/DataTable mounted its table AND its card list at every width, one
hidden by CSS: double DOM and render cost, duplicate ids, two keyboard
copies of every row. It now mounts the one the `md` media query calls for
(lib/useMediaQuery); the keyboard test asserts one layout at each width.
- The Plex module's content width went px → rem with the rest of the page.
The 43 react-refresh/only-export-components warnings the gate let through meant an edit to a
provider (or AnchoredPopover, Toaster, plexDetailUi, …) could not be hot-swapped: Fast Refresh
reloads a module that also exports hooks or helpers.
- Each provider's contexts, the types its hooks return and the hooks themselves live in a sibling
context module (navigationContext.ts, channelsContext.ts, …); the provider file keeps the
component. loadAccountFilters moved next to the feed filters' defaults (feedFiltersInit.ts),
following navigationInit/playlistsInit.
- Helpers that sat in component files have their own modules: welcomeMode, downloadTitle,
plexPlayable, channelSync, ui/anchoredPopoverHooks, ui/pageToolbarSlot, ui/pagerContent,
ui/toastLevels, ui/overlayOrder, ui/tableAlign, lib/plexDetail; the cells of the channel columns
and the registry's page wrappers are components files of their own (channelCells, modulePages).
- usePersistedTab, an alias of useAccountPersistedState, is gone; its callers use the original.
npm run lint is now eslint --max-warnings 0, so a warning fails the gate like an error does.
Third and last slice of the E11 keyboard layer (S4c). S4a/S4b covered every card grid and rail; the
table-shaped pages — the channel manager, a playlist, the download center — were still Tab-stop
country: a channel row carries a priority stepper, four action buttons and a tag picker before the next
row's name.
- `ui/DataTable keyboardNav`: the rows are the items, Enter clicks the element a column marks
`data-nav-open`. DataTable renders its rows twice (a table, and a card list below `md`); both register
and `lib/listNav` now walks only lists on screen (`checkVisibility`), so `j` past the last row never
carries on into the hidden copy.
- `lib/listNav` leaves a key something before it already handled (`defaultPrevented`): during a keyboard
drag a playlist row's grip moves the row with the arrows, and dnd-kit takes the key on the document
before listNav's window listener. Without the guard ↓ moved the focus off the grip and dropped the drag.
- `ui/NavGrid as="tbody"` for a table whose body is the list (the playlist, under dnd-kit's
SortableContext).
- Wired: Subscriptions and Discovery tables, the card layout (`ChannelLayoutGrid` → VirtualGrid
`keyboardNav`), Hidden/Blocked cards (the ChannelLink name is a channel's open element); a playlist's
rows (the title plays; the grip keeps Space/Enter); the download queue, library and shared lists (the
play button opens, `IconBtn open`; a row without one opens nothing).
- `listNav.wiring.contract.test`: `VirtualGrid` and `DataTable` must say `keyboardNav` like `Carousel`,
`DownloadRow` is a card; the audit log's table is the one exemption (its rows open nothing), and an
exemption that no longer matches a tag fails the test.
Measured in Chrome: Channels table j → row, ring round the whole row; a row walked down keeps 12px above
the viewport edge, walked up clears the sticky header by 35px; Enter opens the channel. Cards 3 columns:
→ 0→1, ↓ 1→4. Hidden and Discovery: j + Enter open the channel. Playlist: j + Enter plays, Escape returns
focus to the row; a keyboard drag (Enter on the grip, ↓) moves the row with focus kept on the grip, and
Escape cancels with the order unchanged. Downloads library: Enter plays a video row, does nothing on a
plain file row.
Typing "theme" put the channel "The Meltzone Podcast" (matched only through its handle
`@themeltzone`) above every "Theme: …" row, and Enter opened the channel — the palette listed
matches in pure group order and always highlighted the first one.
- CommandPalette ranks each word: label starts with it > elsewhere in the label > only the hint,
keywords or group name; an item ranks by its worst word, then the sum. The group order stays
fixed, rows are ranked inside each group, and the best row overall starts highlighted. The
highlight is held by id and follows the best match until the arrows or the pointer pick a row,
so a channel list landing mid-typing no longer shifts it.
- A11y: result groups are `role="group"` named by their heading; `aria-expanded` is false with
nothing to choose; the listbox stays mounted (hidden) so `aria-controls` never names a missing
element, and "Nothing matches" sits outside it; a polite status announces the count once the
typing pauses.
- `Column`/`FilterMap`/`filterRows`/`isActive` move from `ui/tableHeader` to `lib/tableColumns`,
and the player's auto/loop modes from `playerModalControls` to `lib/playerModes` — three lib
helpers imported the column contract from a ui component, and `playerModalHooks` its types from a
feature component.
- eslint: `lib/` may not import from `components/` at any depth, type-only and re-exports included;
the boundary contract test proves it fires. CLAUDE.md and the ui README say so.
- keymap: `dispatch`'s docblock sat stacked on `matchesShortcut`'s; moved onto `dispatch`.
S3 wires the shelf's editor. The gesture is the E10 right-click menu, so the
decision "this is comfort media" can be made where the thing is — the feed, a
Plex grid, a channel row, a playlist — rather than only on the page that lists
the shelf.
One shared piece, `components/comfortPin.tsx`: the five pin-kind constructors,
the shelf query, and ONE `ActionMenuItem` that switches Pin/Unpin honestly (and
says "not known yet" with a disabled row until the shelf has answered, since a
confident "Pin" over something already pinned is exactly the quiet lie the house
rules forbid). Surfaces that already have a row menu compose the item in
(`Playlists`, `PlaylistsRail`); the rest mount `ComfortPinMenu`.
Two structural notes:
- The feed's menu lives in `VirtualFeed`, not in `Feed` — that is the list, and
it is also what gives the channel page the gesture for free, since it renders
`<Feed channelScoped>` all the way down.
- Cards take `menuProps` as a FUNCTION of the row, not the built props object.
`triggerProps` is stable across renders while its return value is not, and a
fresh object prop would blow past `VideoCard`'s memo for every card in the
virtualized feed on every parent render.
`DataTable` and `ChannelLayoutGrid` grow a generic `rowProps` so a channel row
answers the same gesture in both of the manager's layouts; the table stays
domain-free and never learns what a menu is.
On Home the shelf tile's menu is the whole editor: four move rows (front / left
/ right / end, reusing the playlist menu's ordering idiom) plus the unpin, over
menu rows rather than drag & drop — dragging inside a horizontal, scrolling
Carousel fights the scroll, and menu rows are keyboard-reachable for free. The
reorder is optimistic on the cached payload and re-asks the server on failure
rather than showing an order that was never accepted.
The exhausted shelf tile (a pinned channel with nothing unwatched left) is
`aria-disabled`, not `disabled`: measured in Chromium, a disabled button still
receives contextmenu and pointerdown, but it loses focus — and with it Shift+F10,
the only keyboard route to the menu it most needs.
Verified end to end in the browser against the live account: all five pin kinds,
the reorder (persisted across a reload), the unpin, and the honest Unpin label on
a resume tile that is already on the shelf.
The app HAS a platform layer -- AnchoredPopover (22 importers, with
arrows/typeahead/Escape/anchor-flip), QueryState (21), Modal (17),
PageShell, DataTable, Tabs, Tooltip and ~26 more -- but it sat flat among
~160 feature components with nothing marking it as one. Several of those
files describe themselves as 'the one place' or 'canonical' and were
still bypassed by hand-rolled markup, because a layer nobody can see is a
layer nobody uses; three separate inventory passes of this codebase
misread it the same way.
Moves the 33 domain-free modules into components/ui/, rewrites the
imports in 89 files, and makes the boundary a lint rule rather than a
convention: inside ui/ a one-level-up import (a feature component) and
any lib/api slice are errors. The rule was verified to fire on both and
to leave generic lib/ helpers alone. README.md states which side of the
line a component belongs on and why.
No behaviour change: 3x tsc, eslint, knip, prettier and 687 vitest tests
all green; no backend file touched.
peter