45c130c856
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Service worker now applies the strategies the roadmap asks for :
* Static assets : StaleWhileRevalidate (already in place)
* HLS segments : CacheFirst, max-age 7d, max 50 entries
* API GET : NetworkFirst, 3s timeout
Stayed on the hand-rolled fetch handlers rather than migrating to
Workbox — the existing implementation already covers push notifications
+ background sync + notificationclick, and Workbox would bring 200+ KB
of runtime + a build-step dependency for a feature set we already have.
Changes
- public/sw.js
* HLS_CACHE_MAX_ENTRIES (50) + HLS_CACHE_MAX_AGE_MS (7d) +
NETWORK_FIRST_TIMEOUT_MS (3s) tunable at the top of the file.
* cacheAudio : reads the cached response's date header to skip
stale entries (>7d), and prunes the cache FIFO after every put
so the entry count never exceeds 50. Network-down path still
serves stale entries (the offline-playback acceptance).
* networkFirst : races the network against a 3s timer ; if the
timer fires AND a cached entry exists, serve cached + let the
network keep updating in the background. Timeout without a
cached fallback lets the network race continue.
* isAudioRequest now matches .ts and .m4s segments too (HLS).
- scripts/stamp-sw-version.mjs (new) : postbuild step that replaces
the literal __BUILD_VERSION__ placeholder in dist/sw.js with
YYYYMMDDHHMM-<short-sha>. Pre-Day 16 the placeholder shipped
literally — same string across every deploy meant browser caches
were never invalidated. Wired into npm run build + build:ci.
- tests/e2e/31-sw-offline-cache.spec.ts : 2 tests gated behind
E2E_SW_TESTS=1 (SW only registers in prod builds — dev server
skips registration via import.meta.env.DEV check). When enabled :
(1) registration + activation, (2) cached resource served while
context.setOffline(true).
Acceptance (Day 16) : strategies match spec ; offline playback works
once the user has played the segment once before going offline. The
e2e self-skips on dev unless E2E_SW_TESTS=1 is set against vite preview.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
60 lines
1.9 KiB
JavaScript
60 lines
1.9 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Replace the __BUILD_VERSION__ placeholder in the built sw.js with a
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* deterministic version string : the short git SHA + the build timestamp.
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*
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* Why : the service worker uses CACHE_VERSION to namespace caches and
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* prune stale ones at activate. If __BUILD_VERSION__ stays literal,
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* every deploy ships the same `veza-platform-__BUILD_VERSION__` cache
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* name and pre-existing browser caches never get invalidated.
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*
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* v1.0.9 W4 Day 16.
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*/
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import { readFile, writeFile } from 'node:fs/promises';
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import { execSync } from 'node:child_process';
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import { resolve } from 'node:path';
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async function main() {
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const target = process.env.SW_PATH || resolve(process.cwd(), 'dist/sw.js');
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let sha = 'dev';
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try {
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sha = execSync('git rev-parse --short HEAD', { stdio: ['pipe', 'pipe', 'ignore'] })
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.toString()
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.trim();
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} catch {
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// Not a git checkout (e.g. CI building a tarball) — fall back to env var.
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sha = process.env.GITHUB_SHA?.slice(0, 7) || process.env.CI_COMMIT_SHA?.slice(0, 7) || 'dev';
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}
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const ts = new Date().toISOString().replace(/[-:.TZ]/g, '').slice(0, 12); // YYYYMMDDHHMM
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const version = `${ts}-${sha}`;
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let content;
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try {
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content = await readFile(target, 'utf8');
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} catch (err) {
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if (err.code === 'ENOENT') {
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console.warn(`[stamp-sw-version] ${target} not found — skipping (run vite build first).`);
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return;
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}
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throw err;
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}
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if (!content.includes('__BUILD_VERSION__')) {
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console.warn(
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`[stamp-sw-version] no __BUILD_VERSION__ placeholder in ${target} — already stamped or sw.js was rewritten without one.`,
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);
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return;
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}
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const stamped = content.replaceAll('__BUILD_VERSION__', version);
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await writeFile(target, stamped, 'utf8');
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console.log(`[stamp-sw-version] sw.js stamped with ${version}`);
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}
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main().catch((err) => {
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console.error('[stamp-sw-version] failed:', err);
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process.exit(1);
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});
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