gabriel / musehub public
activity.ts typescript
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sha256:0997d6250ae6476362f6fe2025af7789f46d03df3e9f34356d5e8ee79b201923 fix(issues): use issue number as pagination cursor, not cre… Sonnet 4.6 patch 8 days ago
1 /**
2 * Activity feed – progressive enhancement.
3 *
4 * Responsibilities:
5 * 1. Row entrance animations (staggered fade-in via IntersectionObserver).
6 * 2. Keep the "latest event" timestamp chip up-to-date without a full reload
7 * by re-rendering relative timestamps every 60 s.
8 */
9
10 declare global {
11 interface Window {
12 __activityCfg?: { base: string };
13 }
14 }
15
16 // ── Relative-time refresh ─────────────────────────────────────────────────
17
18 /** Parse an ISO datetime string and return a human-readable relative label. */
19 function relativeLabel(iso: string): string {
20 const ms = Date.now() - new Date(iso).getTime();
21 const s = Math.floor(ms / 1000);
22 if (s < 60) return "just now";
23 const m = Math.floor(s / 60);
24 if (m < 60) return `${m}m ago`;
25 const h = Math.floor(m / 60);
26 if (h < 24) return `${h}h ago`;
27 const d = Math.floor(h / 24);
28 return `${d}d ago`;
29 }
30
31 function refreshTimestamps(): void {
32 document.querySelectorAll<HTMLElement>("[data-iso]").forEach(el => {
33 const iso = el.dataset.iso;
34 if (iso) el.textContent = relativeLabel(iso);
35 });
36 }
37
38 // ── Row entrance animation ────────────────────────────────────────────────
39
40 function attachRowAnimations(root: Element = document.body): void {
41 const rows = root.querySelectorAll<HTMLElement>(".av-row, .av-date-header");
42 if (!rows.length) return;
43
44 const io = new IntersectionObserver((entries) => {
45 entries.forEach((entry, i) => {
46 if (!entry.isIntersecting) return;
47 const el = entry.target as HTMLElement;
48 el.style.animationDelay = `${i * 30}ms`;
49 el.classList.add("av-row--visible");
50 io.unobserve(el);
51 });
52 }, { threshold: 0.05 });
53
54 rows.forEach(row => {
55 row.classList.add("av-row--hidden");
56 io.observe(row);
57 });
58 }
59
60 // ── HTMX post-swap re-init ────────────────────────────────────────────────
61
62 function bindHtmxSwap(): void {
63 document.body.addEventListener("htmx:afterSwap", (e: Event) => {
64 const target = (e as CustomEvent).detail?.target as HTMLElement | undefined;
65 if (!target) return;
66 if (target.id === "av-feed" || target.closest("#av-feed")) {
67 attachRowAnimations(target);
68 refreshTimestamps();
69 }
70 });
71 }
72
73 // ── Entry point ───────────────────────────────────────────────────────────
74
75 export function initActivity(): void {
76 attachRowAnimations();
77 refreshTimestamps();
78 setInterval(refreshTimestamps, 60_000);
79 bindHtmxSwap();
80 }
File History 1 commit
sha256:0997d6250ae6476362f6fe2025af7789f46d03df3e9f34356d5e8ee79b201923 fix(issues): use issue number as pagination cursor, not cre… Sonnet 4.6 patch 8 days ago