yiekheng
b993de43bc
- Resume scroll position only when arriving via 继续阅读 (?resume=1).
Plain chapter-list / drawer clicks now actively scroll to top on mount.
- Progress format extended to {chapter, page, ratio} for within-page
precision; legacy bare-number and {chapter, page} still read correctly.
- Tappable skeleton logo (sunflower outline, spins) while a page loads;
tap force-fetches a fresh signed URL.
- Viewport-priority image loading: second IntersectionObserver at margin 0
marks truly-visible pages, drives <img fetchpriority="high"> and fires
immediate single-page fetches that cut the batch queue.
- Bounded image cache: unmount previous chapter's <img> elements when
currentPage > 5 into the new chapter; placeholders stay for layout.
One AbortController per live chapter; unmount aborts in-flight batches.
- Hashed chapter IDs on the wire via hashids; DB PKs unchanged.
- Origin/Referer allowlist + rate limiting on all /api/* routes via a
withGuards(opts, handler) wrapper (eliminates 6-line boilerplate x5).
- robots.txt allows Googlebot/Bingbot/Slurp/DuckDuckBot/Baiduspider/
YandexBot only; disallows /api/ for all UAs.
- Extract pure helpers for future TDD: lib/scroll-ratio.ts (calcScrollRatio,
scrollOffsetFromRatio), lib/progress.ts (parseProgress + injectable
StorageLike), lib/rate-limit.ts (optional { now, store, ipOf } deps),
lib/api-guards.ts.
- New env keys: HASHIDS_SALT, ALLOWED_ORIGINS (wired into docker-compose).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
39 lines
1.1 KiB
TypeScript
39 lines
1.1 KiB
TypeScript
import { prisma } from "@/lib/db";
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import { signUrl } from "@/lib/r2";
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import { decodeId } from "@/lib/hashids";
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import { withGuards } from "@/lib/api-guards";
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export const GET = withGuards(
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{ rateLimit: { key: "pages", limit: 300, windowMs: 60_000 } },
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async (request) => {
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const { searchParams } = new URL(request.url);
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const chapterId = decodeId(searchParams.get("chapter") ?? "");
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const offset = Math.max(parseInt(searchParams.get("offset") ?? "0", 10), 0);
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const limit = Math.min(
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Math.max(parseInt(searchParams.get("limit") ?? "7", 10), 1),
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20
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);
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if (chapterId === null) {
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return Response.json({ error: "Missing chapter" }, { status: 400 });
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}
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const pages = await prisma.page.findMany({
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where: { chapterId },
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orderBy: { number: "asc" },
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skip: offset,
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take: limit,
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select: { number: true, imageUrl: true },
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});
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const signedPages = await Promise.all(
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pages.map(async (p) => ({
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number: p.number,
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imageUrl: await signUrl(p.imageUrl),
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}))
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);
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return Response.json(signedPages);
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}
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);
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