Feed browser: Desktop bento layout #3
@@ -3,7 +3,7 @@
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import { useCallback, useEffect, useRef, useState } from "react";
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import { fetchFeedPage, FeedLoadError } from "@/lib/feed-client";
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import { applyLikeOutcome, LikeError, sendLike } from "@/lib/like-client";
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import { mergePosts, toCardPosts, upgradeVideos, type CardPost } from "@/lib/feed-model";
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import { firstLoadFailure, mergePosts, toCardPosts, upgradeVideos, type CardPost } from "@/lib/feed-model";
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import { PostError, publishAndConfirm } from "@/lib/post-client";
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import { DeleteError, sendDelete } from "@/lib/delete-client";
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import type { ComposerProps } from "./Composer";
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@@ -26,6 +26,7 @@ export function Feed({
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const [nextCursor, setNextCursor] = useState<string | null>(null);
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const [loadingMore, setLoadingMore] = useState(false);
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const [refreshing, setRefreshing] = useState(false);
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const [refreshFailed, setRefreshFailed] = useState(false);
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const [loadMoreFailed, setLoadMoreFailed] = useState(false);
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const [pending, setPending] = useState<CardPost[]>([]);
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const [likeBusy, setLikeBusy] = useState<ReadonlySet<string>>(new Set());
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@@ -59,6 +60,7 @@ export function Feed({
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const loadFirst = useCallback(async (quiet = false) => {
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if (busy.current) return;
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busy.current = true;
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setRefreshFailed(false);
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if (quiet) setRefreshing(true);
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else setStatus("loading");
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setLoadMoreFailed(false);
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@@ -70,7 +72,9 @@ export function Feed({
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setStatus("ready");
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} catch (e) {
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fail(e);
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setStatus("error");
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const out = firstLoadFailure(quiet);
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if (out.fullError) setStatus("error");
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setRefreshFailed(out.refreshFailed);
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} finally {
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busy.current = false;
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setRefreshing(false);
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@@ -262,6 +266,7 @@ export function Feed({
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onShowNew={showNew}
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onRefresh={refresh}
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refreshing={refreshing}
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refreshFailed={refreshFailed}
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onToggleLike={(p) => void toggleLike(p)}
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likeBusy={likeBusy}
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likeErrors={likeErrors}
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@@ -17,6 +17,8 @@ export interface FeedViewProps {
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/** Reloads the first page; the header shows the button when it is given. */
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onRefresh?: () => void;
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refreshing?: boolean;
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/** The last refresh failed; the posts stay and a small message shows in the header. */
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refreshFailed?: boolean;
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onToggleLike?: (post: CardPost) => void;
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likeBusy?: ReadonlySet<string>;
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likeErrors?: ReadonlySet<string>;
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@@ -87,11 +89,12 @@ export function RefreshButton({ onRefresh, busy }: { onRefresh: () => void; busy
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);
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}
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function FeedPanel({ children, composer, onRefresh, busy }: { children: ReactNode; composer?: ReactNode; onRefresh?: () => void; busy?: boolean }) {
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function FeedPanel({ children, composer, onRefresh, busy, refreshFailed }: { children: ReactNode; composer?: ReactNode; onRefresh?: () => void; busy?: boolean; refreshFailed?: boolean }) {
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return (
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<section className="tile panel feed" aria-labelledby="h-feed">
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<div className="panel-head feed-head">
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<h2 id="h-feed" className="type-title type-title-strong">Home feed</h2>
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{refreshFailed ? <span className="feed-refresh-error" role="alert">Could not refresh. Try again.</span> : null}
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{onRefresh ? <RefreshButton onRefresh={onRefresh} busy={busy} /> : null}
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</div>
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{composer}
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@@ -121,7 +124,7 @@ export function FeedView(p: FeedViewProps) {
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);
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}
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return (
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<FeedPanel composer={p.composer ? <Composer {...p.composer} /> : null} onRefresh={p.onRefresh} busy={p.refreshing}>
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<FeedPanel composer={p.composer ? <Composer {...p.composer} /> : null} onRefresh={p.onRefresh} busy={p.refreshing} refreshFailed={p.refreshFailed}>
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<div ref={p.listRef} className="feed-list panel-scroll fade-edges">
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{p.newCount > 0 ? (
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<div className="feed-pill">
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@@ -194,6 +194,11 @@ export function upgradeVideos(current: CardPost[], fresh: CardPost[]): CardPost[
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return changed ? next : current;
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}
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/** A failed first-page load: a refresh keeps the posts and flags an inline error; an initial load shows the full error state. */
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export function firstLoadFailure(refresh: boolean): { fullError: boolean; refreshFailed: boolean } {
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return { fullError: !refresh, refreshFailed: refresh };
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}
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/** "1 comment", "0 comments", "2 comments". */
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export function commentsLabel(count: number): string {
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return count === 1 ? "1 comment" : `${count} comments`;
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@@ -69,3 +69,4 @@
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@media (prefers-reduced-motion: reduce) {
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.refresh-icon-spin { animation: none !important; }
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}
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.feed-refresh-error { margin-left: auto; font-size: 13px; color: var(--danger, #e5484d); }
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+23
-1
@@ -3,7 +3,7 @@ import { createElement } from "react";
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import { renderToStaticMarkup } from "react-dom/server";
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import { FeedView, RefreshButton, type FeedViewProps } from "@/components/FeedView";
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import { fetchFeedPage, FeedLoadError } from "@/lib/feed-client";
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import { commentsLabel, formatDuration, mergePosts, relativeTime, toCardPost, toCardPosts, upgradeVideos } from "@/lib/feed-model";
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import { commentsLabel, firstLoadFailure, formatDuration, mergePosts, relativeTime, toCardPost, toCardPosts, upgradeVideos } from "@/lib/feed-model";
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const NOW = Date.parse("2026-10-19T12:00:00Z");
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const post = (id: string, publishedAt: string, extra: Record<string, unknown> = {}) => ({
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@@ -245,3 +245,25 @@ describe("comments label", () => {
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expect(html).not.toContain("1 comments");
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});
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});
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describe("failed refresh versus failed first load", () => {
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it("a failed refresh keeps the posts and shows an inline error with a usable button", () => {
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const posts = toCardPosts([post("1", "2026-10-19T11:00:00Z")]);
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const html = render({ posts, onRefresh: () => {}, refreshFailed: true });
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expect(html).toContain("Could not refresh. Try again.");
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expect(html).toContain("text 1");
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expect(html).not.toContain("The feed did not load.");
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expect(html).not.toMatch(/<button[^>]*disabled[^>]*aria-label="Refresh feed"|<button[^>]*aria-label="Refresh feed"[^>]*disabled/);
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});
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it("a failed first load shows the full error state", () => {
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const html = render({ status: "error", onRefresh: () => {} });
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expect(html).toContain("The feed did not load.");
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expect(html).not.toContain("Could not refresh");
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});
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it("the loader maps a failure to the right outcome", () => {
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expect(firstLoadFailure(true)).toEqual({ fullError: false, refreshFailed: true });
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expect(firstLoadFailure(false)).toEqual({ fullError: true, refreshFailed: false });
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});
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});
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