Files
siftlode/frontend/src/components/ChannelPage.tsx
T
peter c5e022f056 refactor(frontend): the long tail — and eslint-suppressions.json is gone (E27 S2)
Closes the burn-down. Hook suppressions 113 -> 34, `exhaustive-deps` 45 -> 2 (the target was
<10), and every one of the 34 survivors is an inline directive NAMING the invariant it
protects. The suppressions file is deleted, because a bulk file hides the next violation
instead of answering it — and it cannot hold a warning-level rule at all.

The sprint plan's three verdicts missed the answer that turned out to be the most common one:
adjust the state DURING RENDER. React re-runs the component and discards that pass rather than
committing it, so the stale frame an effect-based reset paints does not exist. Applied to the
Plex player's up-next card, the playlist view reset, the feed's optimistic overrides, the
channel banner's retry count, the download center's tab guard, the Plex search highlight, the
comfort-pin latch, Welcome's per-view outcome and the card pager's page clamp. It is legal only
for a component's own state — PlexBrowse's language commit resets PlexProvider's filters, so
that one stays an effect and says why.

Mirrors of a prop or query became derived values or `draft ?? server`:
- `downloadRow` had ui/Avatar's defect exactly — a boolean "poster failed" that an effect reset,
  in rows recycled down a virtualized list, so one job's missing poster painted over the next
  one's for a frame. Keyed by URL now.
- Scheduler's two number editors held a mirror an effect re-synced, on a page that POLLS — the
  shape a poll can overwrite mid-edit. A draft while editing, the server's value otherwise; six
  tests where there were none, the one behavioural change (the save button stops being dirty at
  commit rather than at the echo) mutation-checked.
- SetupWizard's "no token" and WatchPage's "gone" are facts about the URL, so they are seeded and
  derived rather than pushed into state by an effect that had to commit first.

Elsewhere: PlexInfo's rating chip was a component declared during render — a new component type
every render, so React remounted the subtree and dropped the focus on its filter button. Hoisted.
Feed's undo action and PlexPlayer's session reclaim both re-entered their own useCallback, which
the checker reads as a forward reference; both go through the ref idiom this file already uses.
BootGate's dep list was load-bearing for correctness — a re-run meant `location.reload()` — so
the "already adopted THIS identity" comparison now enforces it in code, with a test that fails
without it (the existing reload tests all install their spy too late to catch it).

One correction to the batch before this: keying ChatThread's and Messages' decrypt passes on
`q.data` instead of `q.dataUpdatedAt` was wrong. react-query's structural sharing makes it safe
in production, but the component must not melt down when something hands back a fresh object per
render — and Messages.keyboard.dom.test does exactly that, so the effect span the suite. Both are
back on the fetch as the trigger with the payload behind a ref, which is honest AND loop-proof;
the replaced comment had warned about precisely this.

CLAUDE.md gains four canonical-patterns rows for the above, and its "React 18" line is now true.
2026-09-21 01:44:21 +02:00

617 lines
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import { useCallback, useEffect, useRef, useState } from "react";
import { useTranslation } from "react-i18next";
import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
import { useLiveQuery } from "../lib/useLiveQuery";
import { channelDetailPollMs, useBackfillFeedRefresh } from "../lib/channelDetailPoll";
import { qk } from "../lib/queryKeys";
import { useNavigationActions } from "./navigationContext";
import { PriorityStepper } from "./ui/PriorityStepper";
import { useChannelPriority } from "../lib/useChannelPriority";
import {
ArrowLeft,
Ban,
Check,
ExternalLink,
Eye,
EyeOff,
History,
Loader2,
Plus,
RefreshCw,
SlidersHorizontal,
} from "lucide-react";
import Avatar from "./ui/Avatar";
import Tabs from "./ui/Tabs";
import Feed from "./Feed";
import ChannelAboutContent from "./ChannelAbout";
import { PageToolbar } from "./ui/PageShell";
import { PageToolbarSlot } from "./ui/pageToolbarSlot";
import { useFeedFilters } from "./feedFiltersContext";
import { useConfirm } from "./confirmContext";
import { notify } from "../lib/notifications";
import { notifyYouTubeActionError } from "../lib/youtubeErrors";
import { notifyActionError } from "../lib/actionErrors";
import { api, DEFAULT_TAG_MODES, type FeedFilters, type Me, type ChannelDetail } from "../lib/api";
import type { FeedView } from "../lib/feedView";
import { channelYouTubeUrl, formatViews } from "../lib/format";
import { ChannelTagsControl } from "./ChannelTags";
import { useChannelTagActions } from "../lib/useChannelTagActions";
import { Button } from "./ui/Button";
import { FocusSafeButton } from "./ui/FocusSafeButton";
// A dedicated channel page: an "About"-style header (banner, avatar, stats, subscribe) over the
// channel's videos (the catalog filtered to this channel). For an un-subscribed channel it
// auto-ingests recent uploads in the background ("explore") so they're browsable immediately,
// and offers "load more" to page deeper — without permanently polluting everyone's library
// (the backend keeps explored videos private to this user until they subscribe).
export default function ChannelPage({
channelId,
initialName,
me,
view,
setView,
onShowInFeed,
}: {
channelId: string;
initialName?: string;
me: Me;
// The feed's view pref, passed straight through to the Feed this page renders — so its
// toolbar carries the same switcher and a change here is the same account-wide choice.
view: FeedView;
setView: (v: FeedView) => void;
// Narrow the real feed to this channel and go there. Offered only for a channel you're
// subscribed to: the feed defaults to scope "my", so filtering it to a channel you don't
// follow would just land you on an empty page.
onShowInFeed: () => void;
}) {
const { t, i18n } = useTranslation();
const { closeChannel } = useNavigationActions();
const qc = useQueryClient();
const confirm = useConfirm();
// Seed the channel view's content-type prefs from the global feed (read once at mount). The
// channel page is its own filter scope, but WHICH content types the user wants to see (normal /
// shorts / live-upcoming) is a genuine preference, not part of "this channel's catalog" — so we
// inherit it instead of forcing Live/Upcoming on. The channel toolbar can still toggle these.
const globalFilters = useFeedFilters();
const [tab, setTab] = useState<"videos" | "about">("videos");
// The whole channel chrome (banner, identity, tabs, toolbar) is fixed: it portals into the shell's
// fixed band so only the video grid scrolls. This node sits at the bottom of that chrome and is
// where the channelScoped Feed portals ITS toolbar (via the overridden PageToolbarSlot below), so
// the toolbar lands under the tabs inside the fixed band rather than in the scroller.
const [chromeSlot, setChromeSlot] = useState<HTMLDivElement | null>(null);
// The banner URL is valid, but googleusercontent intermittently throttles it when the channel
// page fires the banner + avatar + ~16 thumbnails in one burst — the request is dropped and the
// browser then NEGATIVE-CACHES the miss, so the banner stays broken even though a retry would
// succeed. So on error we retry a few times with a cache-buster (forcing a fresh request), and
// only fall back to the blank bar if it keeps failing (a genuinely dead URL — rare).
const MAX_BANNER_RETRIES = 3;
const [bannerAttempt, setBannerAttempt] = useState(0);
// A LIVE query: while THIS user's full-history backfill is running, poll so the stored count (and
// the N/S/L breakdown) climb on their own — the immediate backfill fills it in seconds, and the
// scheduler tops up any tail on its ~10-minute ticks — then stop polling once the back-catalogue is
// in. Same queryKey as before, so mutation invalidations still hit.
const detail = useLiveQuery(qk.channel(channelId), () => api.channelDetail(channelId), {
intervalMs: channelDetailPollMs,
});
const ch = detail.data;
// A fresh channel/banner gets the retries back, in the render that changes it: as an effect the
// new banner was committed with the previous one's exhausted attempt count still in place.
const [bannerFor, setBannerFor] = useState(ch?.banner_url);
if (bannerFor !== ch?.banner_url) {
setBannerFor(ch?.banner_url);
setBannerAttempt(0);
}
// The poll above is also the ONLY signal that the running backfill has written videos, so it
// drives the video grid's refresh too (the "Get full history" mutation below can't: it fires on
// the PATCH response, before the background job has stored anything).
useBackfillFeedRefresh(ch, qc);
// Background auto-ingest ("explore") of an un-subscribed channel's uploads.
const [nextToken, setNextToken] = useState<string | null | undefined>(undefined);
const [exploring, setExploring] = useState(false);
const autoTried = useRef<string | null>(null);
const runExplore = useCallback(
(token?: string | null) => {
setExploring(true);
return (
api
.exploreChannel(channelId, token ?? undefined)
.then((r) => {
setNextToken(r.next_page_token);
qc.invalidateQueries({ queryKey: qk.feed() });
// Refetch the detail so `explored` flips true → the "Exploring" badge shows on the
// first visit (the GET that drove this render predated the explore that just ran).
qc.invalidateQueries({ queryKey: qk.channel(channelId) });
})
// Both the automatic first-visit explore and "load more" used to fail in silence: an empty
// channel page that looked like a channel with no videos (E11 S2b).
.catch((err: unknown) => notifyActionError(err, t("errors.writeFailed.exploreChannel")))
.finally(() => setExploring(false))
);
},
[channelId, qc, t],
);
// First visit of an un-subscribed channel → ingest its recent uploads. Skipped for the demo
// account (explore spends shared quota) and when videos are already present (a revisit, or a
// subscribed channel whose uploads the scheduler backfills).
useEffect(() => {
if (!ch || me.is_demo) return;
if (autoTried.current === channelId) return;
if (ch.subscribed || ch.blocked) return;
if (ch.explored && ch.stored_videos > 0) return;
autoTried.current = channelId;
// eslint-disable-next-line react-hooks/set-state-in-effect -- a one-off INGEST of an unsubscribed channel's uploads on first visit — a network side effect, not state. The autoTried ref keyed on the channel id is what makes it once per channel.
void runExplore();
}, [ch, channelId, me.is_demo, runExplore]);
const block = useMutation({
mutationFn: () => (ch?.blocked ? api.unblockChannel(channelId) : api.blockChannel(channelId)),
onSuccess: () => {
qc.invalidateQueries({ queryKey: qk.channel(channelId) });
qc.invalidateQueries({ queryKey: qk.feed() });
qc.invalidateQueries({ queryKey: qk.blockedChannels() });
},
// No onError: a local DB op (not a YouTube write, so no 403 "connect" case). The app-wide
// reporter names the failure the error dialog does not cover (a 404 for a channel gone).
meta: { failTitle: "errors.writeFailed.blockChannel" },
});
// "Hide from feed": the same per-subscription flag the manager toggles (updateChannel {hidden}).
// Local DB op — keeps the subscription, only drops the channel's videos from the feed/explore.
const toggleHidden = useMutation({
mutationFn: () => api.updateChannel(channelId, { hidden: !ch?.hidden }),
meta: { failTitle: "errors.writeFailed.hideChannel" },
onSuccess: () => {
qc.invalidateQueries({ queryKey: qk.channel(channelId) });
qc.invalidateQueries({ queryKey: qk.feed() });
qc.invalidateQueries({ queryKey: qk.channels() });
},
});
const subscribe = useMutation({
mutationFn: () => api.subscribeChannel(channelId),
onSuccess: () => {
qc.invalidateQueries({ queryKey: qk.channel(channelId) });
qc.invalidateQueries({ queryKey: qk.feed() });
qc.invalidateQueries({ queryKey: qk.channels() });
// Match ChannelDiscovery: the channel leaves discovery and the manager's stats move.
qc.invalidateQueries({ queryKey: qk.myStatus() });
qc.invalidateQueries({ queryKey: qk.discoveredChannels() });
notify({ level: "info", message: t("channel.subscribed", { name: ch?.title ?? "" }) });
},
// A 403 (missing write scope) otherwise fails silently on the channel page (no wizard handle
// here, so no Connect button — but the user at least sees why it didn't work).
onError: (err) => notifyYouTubeActionError(err, t("channels.discovery.subscribeFailed")),
});
const unsubscribe = useMutation({
mutationFn: () => api.unsubscribeChannel(channelId),
onSuccess: () => {
qc.invalidateQueries({ queryKey: qk.channel(channelId) });
qc.invalidateQueries({ queryKey: qk.feed() });
qc.invalidateQueries({ queryKey: qk.channels() });
},
onError: (err) => notifyYouTubeActionError(err, t("channels.notify.unsubscribeFailed")),
});
// "Get full history": the catalog only holds the recent-backfill/RSS subset of a channel's
// uploads (video_count is YouTube's raw total), so flipping deep_requested queues the full
// back-catalog pager. Same trigger the channel manager uses.
const deepBackfill = useMutation({
mutationFn: () => api.updateChannel(channelId, { deep_requested: true }),
onSuccess: () => {
qc.invalidateQueries({ queryKey: qk.channel(channelId) });
qc.invalidateQueries({ queryKey: qk.feed() });
qc.invalidateQueries({ queryKey: qk.channels() });
qc.invalidateQueries({ queryKey: qk.myStatus() });
notify({ level: "info", message: t("channel.fullHistoryQueued") });
},
onError: (err) => notifyYouTubeActionError(err, t("channel.fullHistoryFailed")),
});
// Feed priority, editable here with the same stepper + debounced-flush the manager uses (shared
// hook so the two can't drift). Optimistic on this channel's detail cache; a success re-sorts the
// manager list + feed, a failure reverts by refetching the detail.
const { setPriority, bumpPriority } = useChannelPriority({
read: (id) => qc.getQueryData<ChannelDetail>(qk.channel(id))?.priority,
optimistic: (id, next) =>
qc.setQueryData<ChannelDetail>(qk.channel(id), (old) =>
old ? { ...old, priority: next } : old,
),
onSuccess: () => {
qc.invalidateQueries({ queryKey: qk.channels() });
qc.invalidateQueries({ queryKey: qk.feed() });
},
onError: (id) => qc.invalidateQueries({ queryKey: qk.channel(id) }),
});
// Personal tags, editable right here (the same control + flow the channel manager uses). Optimistic
// on this channel's detail cache; a failed attach/detach reverts by refetching, and a success
// invalidates the manager list so a tag added here shows there too.
// Only fetch the tag catalog when the editor will actually render (subscribed, non-demo) — an
// unsubscribed/demo channel page never shows the control, so the request would be thrown away.
const tagsQuery = useQuery({
queryKey: qk.tags(),
queryFn: api.tags,
enabled: !!ch?.subscribed && !me.is_demo,
});
const userTags = (tagsQuery.data ?? []).filter((tg) => !tg.system);
const { toggleTag, createAndAttachTag } = useChannelTagActions({
optimisticToggle: (id, tagId, attach) =>
qc.setQueryData<ChannelDetail>(qk.channel(id), (old) =>
old
? {
...old,
tag_ids: attach ? [...old.tag_ids, tagId] : old.tag_ids.filter((x) => x !== tagId),
}
: old,
),
onSuccess: () => qc.invalidateQueries({ queryKey: qk.channels() }),
onError: (id) => qc.invalidateQueries({ queryKey: qk.channel(id) }),
});
const onUnsubscribe = async () => {
const ok = await confirm({
title: t("channel.unsubTitle"),
message: t("channel.unsubBody", { name: ch?.title ?? channelId }),
confirmLabel: t("channel.unsubscribe"),
danger: true,
});
if (ok) unsubscribe.mutate();
};
// Channel-scoped feed: the whole catalog filtered to this channel (scope=all + source=all so
// the explored, per-user-private videos show — the backend gates them to this explorer).
const [filters, setFilters] = useState<FeedFilters>(() => ({
tags: [],
tagModes: DEFAULT_TAG_MODES,
q: "",
sort: "newest",
scope: "all",
librarySource: "all",
// Content-type prefs inherited from the global feed (seeded once) — no longer forced.
includeNormal: globalFilters.includeNormal,
includeShorts: globalFilters.includeShorts,
includeLive: globalFilters.includeLive,
show: "all",
channelIds: [channelId],
}));
const name = ch?.title ?? initialName ?? channelId;
const ytUrl = channelYouTubeUrl(channelId, ch?.handle);
const joined = ch?.published_at
? new Date(ch.published_at).toLocaleDateString(i18n.language, {
year: "numeric",
month: "short",
})
: null;
// Handle + stats on one compact meta line under the name (saves the separate stats row).
const metaParts = [
ch?.handle ? `@${ch.handle.replace(/^@/, "")}` : null,
ch?.subscriber_count != null
? t("channel.subscribers", { formatted: formatViews(ch.subscriber_count) })
: null,
// Show "stored / total" when we only hold a subset of a subscribed channel's uploads, so the
// gap between the browsable videos and YouTube's raw count is honest rather than looking like
// missing data (the "get full history" button pulls the rest).
ch?.video_count != null
? ch.subscribed && !ch.backfill_done && ch.stored_videos < ch.video_count
? t("channel.videoCountStored", { stored: ch.stored_videos, total: ch.video_count })
: t("channel.videoCount", { count: ch.video_count })
: null,
ch?.total_view_count != null
? t("channel.totalViews", { formatted: formatViews(ch.total_view_count) })
: null,
// Per-type breakdown (R14 moved this off the manager table's N/S/L column). Only meaningful
// once we actually hold some of the channel's videos.
ch && ch.stored_videos > 0
? t("channel.videoTypes", {
normal: ch.count_normal,
short: ch.count_short,
live: ch.count_live,
})
: null,
joined ? t("channel.joined", { date: joined }) : null,
].filter(Boolean) as string[];
// The channel page owns no scroller of its own (PageShell provides the one app scroller). Its
// whole chrome is fixed — wrapped in <PageToolbar> it portals into the shell's fixed band, so the
// banner/identity/tabs/toolbar stay put and only the video grid scrolls.
return (
<>
<PageToolbar>
{/* Banner + back — OPTION C: inset, rounded card (not full-bleed) */}
<div className="relative px-4 sm:px-6 pt-3">
{ch?.banner_url && bannerAttempt <= MAX_BANNER_RETRIES ? (
// Match YouTube's banner: the stored bannerExternalUrl is the full 16:9 template at a
// low default size, so request a crisp wide version (=w1707) and object-cover the
// desktop "safe area" — the centre 2560×423 (~6:1) band.
<div
className="w-full overflow-hidden rounded-2xl bg-surface"
style={{ aspectRatio: "2560 / 423", maxHeight: "150px" }}
>
<img
// key forces a fresh <img> per attempt; the ?r= cache-buster on a retry bypasses the
// browser's negative cache (googleusercontent accepts an extra query param).
key={bannerAttempt}
src={`${ch.banner_url}=w1707${bannerAttempt ? `?r=${bannerAttempt}` : ""}`}
alt=""
className="w-full h-full object-cover object-center"
onError={() => {
if (bannerAttempt <= MAX_BANNER_RETRIES) {
window.setTimeout(
() => setBannerAttempt((a) => a + 1),
500 * (bannerAttempt + 1),
);
}
}}
/>
</div>
) : (
// No banner (or a dead one): a neutral bar the SAME height as a real banner, so the
// overlapping avatar + the Back button have the same room and don't collide (a short bar
// let the -mt-8 avatar ride up into the Back button).
<div
className="w-full rounded-2xl bg-surface"
style={{ aspectRatio: "2560 / 423", maxHeight: "150px" }}
/>
)}
<button
data-testid="channel-back"
onClick={closeChannel}
className="absolute top-5 left-7 sm:left-9 z-base inline-flex items-center gap-1.5 px-3 py-1.5 rounded-lg text-sm bg-black/45 text-white hover:bg-black/65 backdrop-blur-xs"
>
<ArrowLeft className="w-4 h-4" />
{t("channel.back")}
</button>
</div>
<div className="px-4 sm:px-6">
{/* Identity + actions. relative+z-base so the avatar that overlaps up into the banner
paints ABOVE it (the banner's positioned container would otherwise cover it). */}
<div className="relative z-base flex items-end gap-4 -mt-8">
<Avatar
src={ch?.thumbnail_url ?? null}
fallback={name}
className="w-20 h-20 rounded-full border-4 border-bg shrink-0 bg-bg"
/>
<div className="flex-1 min-w-0 pb-1">
<div className="flex items-center gap-2 flex-wrap">
<h1 data-testid="channel-title" className="text-xl font-semibold truncate">
{name}
</h1>
{ch?.blocked ? (
<span className="text-xs px-2 py-0.5 rounded-full bg-danger/15 text-danger">
{t("channel.blockedBadge")}
</span>
) : (
ch?.explored &&
!ch?.subscribed && (
<span className="text-xs px-2 py-0.5 rounded-full bg-warn/15 text-warn">
{t("channel.exploringBadge")}
</span>
)
)}
</div>
<div className="text-sm text-muted mt-0.5 flex flex-wrap gap-x-1.5 gap-y-0.5">
{metaParts.map((part, i) => (
<span key={i}>
{i > 0 && <span className="mr-1.5">·</span>}
{part}
</span>
))}
</div>
</div>
</div>
{exploring && (
<div className="flex items-center gap-2 text-xs text-muted mt-2">
<Loader2 className="w-3.5 h-3.5 animate-spin" />
{t("channel.loadingVideos")}
</div>
)}
{/* Tabs — the channel actions ride along here rather than off in the header's top-right
corner: there are only ever two tabs, so there's room, and it keeps the things you click
within a few pixels of each other instead of across the page. */}
<div className="flex items-center gap-2 mt-3 border-b border-border pb-2">
<Tabs
className="flex gap-1"
active={tab}
onChange={(id) => setTab(id as "videos" | "about")}
tabs={[
{ id: "videos", label: t("channel.tabVideos") },
{ id: "about", label: t("channel.tabAbout") },
]}
/>
<div className="ml-2 flex items-center gap-2">
<a
href={ytUrl}
target="_blank"
rel="noreferrer"
title={t("channels.row.openOnYouTube")}
aria-label={t("channels.row.openOnYouTube")}
className="inline-flex items-center justify-center w-9 h-9 rounded-lg text-muted hover:text-fg border border-border"
>
<ExternalLink className="w-4 h-4" />
</a>
{ch?.subscribed && (
<Button
variant="outline"
size="icon"
onClick={onShowInFeed}
title={t("channel.showInFeed")}
aria-label={t("channel.showInFeed")}
icon={<SlidersHorizontal className="w-4 h-4" />}
/>
)}
{ch?.subscribed && !me.is_demo && (
<div className="inline-flex items-center gap-1.5 h-9 px-2.5 rounded-lg border border-border">
<span className="text-xs text-muted">{t("channels.cols.priority")}</span>
<PriorityStepper
priority={ch.priority}
onPriority={(d) => bumpPriority(channelId, d)}
onSet={(v) => setPriority(channelId, v)}
size="md"
hint={t("channels.row.priorityHint")}
/>
</div>
)}
{/* Only the recent subset is stored → offer to pull the channel's full back-catalogue.
Once queued (deep_requested) it shows as loading; hidden once the backfill is done.
While loading, the label carries the live stored/total count (the detail poll refreshes
it) so a large channel's paced tail reads as visible progress rather than a stuck
spinner. */}
{ch?.subscribed && !ch.backfill_done && !me.is_demo && (
<Button
variant="outline"
onClick={() => !ch.deep_requested && deepBackfill.mutate()}
disabled={ch.deep_requested || deepBackfill.isPending}
loading={ch.deep_requested}
icon={<History className="w-4 h-4" />}
title={
ch.deep_requested
? t("channel.fullHistoryLoadingHint")
: t("channel.fullHistory")
}
>
<span className="hidden sm:inline whitespace-nowrap">
{!ch.deep_requested
? t("channel.fullHistory")
: ch.video_count != null && ch.stored_videos < ch.video_count
? t("channel.fullHistoryProgress", {
stored: ch.stored_videos,
total: ch.video_count,
})
: t("channel.fullHistoryLoading")}
</span>
</Button>
)}
{!me.is_demo && (
<FocusSafeButton
// Busy blocks the click, not the focus (FocusSafeButton). Nor does a busy toggle
// light up on hover, as if a click would do something.
onClick={() => block.mutate()}
busy={block.isPending}
title={ch?.blocked ? t("channel.unblock") : t("channel.block")}
aria-label={ch?.blocked ? t("channel.unblock") : t("channel.block")}
className={`inline-flex items-center justify-center w-9 h-9 rounded-lg border aria-disabled:opacity-50 transition ${
ch?.blocked
? "border-danger text-danger"
: "border-border text-muted not-aria-disabled:hover:text-danger not-aria-disabled:hover:border-danger"
}`}
>
<Ban className="w-4 h-4" />
</FocusSafeButton>
)}
{/* Hide-from-feed toggle — subscription-scoped, so offered only on a followed channel
(mirrors the manager's Eye/EyeOff). Keeps the subscription; only drops its videos
from the feed. EyeOff = currently hidden (click to unhide). */}
{ch?.subscribed && !me.is_demo && (
<FocusSafeButton
onClick={() => toggleHidden.mutate()}
busy={toggleHidden.isPending}
title={ch.hidden ? t("channel.hiddenHint") : t("channel.hideHint")}
aria-label={ch.hidden ? t("channel.unhide") : t("channel.hide")}
className={`inline-flex items-center justify-center w-9 h-9 rounded-lg border aria-disabled:opacity-50 transition ${
ch.hidden
? "border-accent text-accent"
: "border-border text-muted not-aria-disabled:hover:text-fg not-aria-disabled:hover:border-fg/40"
}`}
>
{ch.hidden ? <EyeOff className="w-4 h-4" /> : <Eye className="w-4 h-4" />}
</FocusSafeButton>
)}
{!me.is_demo &&
!ch?.blocked &&
(ch?.subscribed ? (
<Button
variant="outline"
onClick={onUnsubscribe}
loading={unsubscribe.isPending}
title={t("channel.unsubscribe")}
icon={<Check className="w-4 h-4" />}
>
{t("channel.subscribedState")}
</Button>
) : (
<Button
variant="outline"
onClick={() => subscribe.mutate()}
loading={subscribe.isPending}
icon={<Plus className="w-4 h-4" />}
>
{t("channel.subscribe")}
</Button>
))}
{/* Tagging is a subscription-scoped action (attach_tag → _user_subscription 404s
otherwise), and personal tags are for your subscriptions — so only offer it on a
channel you actually follow. */}
{ch?.subscribed && !me.is_demo && (
<ChannelTagsControl
userTags={userTags}
attachedIds={ch.tag_ids}
onToggle={(tagId) => toggleTag(channelId, tagId, ch.tag_ids.includes(tagId))}
onCreate={(name) => createAndAttachTag(channelId, name)}
// The header row has free width — show tags inline instead of collapsing to "+N".
bounded={false}
/>
)}
</div>
</div>
</div>
{/* The channelScoped Feed portals its toolbar into this node — the bottom of the fixed chrome,
just under the tabs. */}
<div ref={setChromeSlot} />
</PageToolbar>
{/* Tab content — the feed's toolbar portals up into the fixed chrome via this slot override;
only the grid (and About) render here, in the scroller. */}
<PageToolbarSlot.Provider value={chromeSlot}>
{tab === "videos" ? (
<>
<Feed
filters={filters}
setFilters={setFilters}
view={view}
setView={setView}
canRead={me.can_read}
isDemo={me.is_demo}
ytSearch={null}
onYtSearch={() => {}}
onExitYtSearch={() => {}}
channelScoped
/>
{!ch?.subscribed && nextToken && (
<div className="flex justify-center pb-6">
<button
// Busy blocks the click, not the focus (see Block above).
onClick={() => !exploring && runExplore(nextToken)}
aria-disabled={exploring || undefined}
aria-busy={exploring || undefined}
className="inline-flex items-center gap-2 px-4 py-2 rounded-lg text-sm border border-border not-aria-disabled:hover:bg-surface aria-disabled:opacity-50"
>
{exploring ? (
<Loader2 className="w-4 h-4 animate-spin" />
) : (
<RefreshCw className="w-4 h-4" />
)}
{t("channel.loadMore")}
</button>
</div>
)}
</>
) : (
<div className="px-4 sm:px-6 py-4 max-w-3xl">
{ch ? (
<ChannelAboutContent ch={ch} />
) : (
<p className="text-sm text-muted">{t("channel.noDescription")}</p>
)}
</div>
)}
</PageToolbarSlot.Provider>
</>
);
}