cm_bot_v2/web/app/users/loading.tsx
yiekheng 9a4072129a perf(web): add route-level loading skeletons for instant tab switching
The 'switching is laggy with many accounts' report — root cause is that
both /page.tsx and /users/page.tsx are Server Components that block on
the API fetch before sending any HTML. During the wait, the previous
route stays frozen (no spinner, no feedback) — the user perceives a 'lag'
that grows with row count.

App Router's loading.tsx convention solves this: Next.js renders it
INSTANTLY on navigation, then streams in the real RSC tree once the data
fetch resolves. The skeleton matches the shape of the real shell + a few
placeholder rows so the swap is layout-stable.

Files:
- web/components/table-skeleton.tsx — shared skeleton (PageHead + N rows)
- web/app/loading.tsx — used for /
- web/app/users/loading.tsx — used for /users

If row counts keep growing past a few hundred and the table itself
becomes the bottleneck (vs the network fetch this addresses), the next
step is pagination: accept ?limit=&offset= on /acc/ and /user/ in
cm_api.py and add a 'Load more' button (or a virtual list) at the
table-component layer.
2026-05-03 11:14:13 +08:00

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154 B
TypeScript

import TableSkeleton from "@/components/table-skeleton";
export default function Loading() {
return <TableSkeleton eyebrow="Table" title="Users" />;
}