Every control in the settings sheet calls resetClocks(), so opening it mid-match could throw away two live clocks. The gear now only appears on an untouched match: before the first tap, or after a two-tap reset. "Untouched" is derived rather than tracked — phase, turn, moves, score and both reserves matching matchTime() — so it cannot fall out of sync the way a stored flag could. The phase alone would be wrong: a score change runs newGame(), which returns to IDLE waiting for the next game's first tap while the match is still very much on. The reserve check also catches a clock corrected through the score sheet. The button uses visibility rather than [hidden], so its slot stays put and the rest of the bar doesn't jump the instant the clock starts; verified pixel-for-pixel that reset, play/pause, score and sound do not move. visibility:hidden also drops it from the tab order and the accessibility tree. The rule is enforced in the click handler as well, because a programmatic click still reaches a visibility:hidden button — CSS is the affordance, the guard is the rule. The trade, deliberately: a mistake in the time or delay now costs a reset and a restarted match. Correcting a clock mid-match is the score sheet's job. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
34 lines
980 B
JavaScript
34 lines
980 B
JavaScript
/* Cache-first: once installed the clock never touches the network again. */
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const CACHE = "bgclock-v8";
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const FILES = [
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"./",
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"./index.html",
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"./manifest.webmanifest",
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"./icon-192.png",
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"./icon-512.png",
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"./icon-maskable-512.png"
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];
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self.addEventListener("install", (e) => {
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e.waitUntil(caches.open(CACHE).then((c) => c.addAll(FILES)).then(() => self.skipWaiting()));
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});
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self.addEventListener("activate", (e) => {
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e.waitUntil(
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caches.keys()
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.then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k))))
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.then(() => self.clients.claim())
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);
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});
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self.addEventListener("fetch", (e) => {
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if (e.request.method !== "GET") return;
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e.respondWith(
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caches.match(e.request).then((hit) => hit || fetch(e.request).then((res) => {
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const copy = res.clone();
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caches.open(CACHE).then((c) => c.put(e.request, copy)).catch(() => {});
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return res;
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}).catch(() => caches.match("./index.html")))
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);
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});
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