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fix: break native boot reload loops before they trap the app

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SkateSpots 2026-10-30 00:56:19 +07:00
parent b76891798e
commit b95371a123
1 changed files with 45 additions and 0 deletions
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45
public/boot-guard.js
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@ -9,6 +9,51 @@
(function () { (function () {
var shown = false; var shown = false;
// Reload-loop breaker. A stale app-shell worker can reload before the boot
// guard's 12s error panel is ever shown. After three loads inside one minute,
// clear the shell cache/worker once and reload into a clean shell.
try {
var ATTEMPT_KEY = 'skatespots:boot-attempts';
var now = Date.now();
var attempts = { count: 0, at: now };
try {
var stored = JSON.parse(sessionStorage.getItem(ATTEMPT_KEY) || 'null');
if (stored && typeof stored.at === 'number' && now - stored.at < 60000) {
attempts.count = Number(stored.count) || 0;
}
} catch (e) {}
attempts.count += 1;
attempts.at = now;
try { sessionStorage.setItem(ATTEMPT_KEY, JSON.stringify(attempts)); } catch (e) {}
if (attempts.count >= 3) {
try { sessionStorage.removeItem(ATTEMPT_KEY); } catch (e) {}
var finished = false;
var finish = function () {
if (finished) return;
finished = true;
location.reload();
};
var jobs = [];
try {
if ('serviceWorker' in navigator) {
jobs.push(navigator.serviceWorker.getRegistrations().then(function (regs) {
regs.forEach(function (reg) { try { reg.unregister(); } catch (e) {} });
}).catch(function () {}));
}
if (window.caches) {
jobs.push(window.caches.keys().then(function (keys) {
return Promise.all(keys.filter(function (key) { return key.indexOf('skate-spots-shell-') === 0; })
.map(function (key) { return window.caches.delete(key).catch(function () {}); }));
}).catch(function () {}));
}
} catch (e) {}
if (jobs.length) Promise.all(jobs).then(finish).catch(finish);
else finish();
setTimeout(finish, 1000);
return;
}
} catch (e) { /* best effort */ }
// Native WebViews can keep a service worker from an older build forever. // Native WebViews can keep a service worker from an older build forever.
// That worker can serve a stale index.html whose hashed chunks no longer // That worker can serve a stale index.html whose hashed chunks no longer
// exist, producing a white/black reload loop. The native shell is served from // exist, producing a white/black reload loop. The native shell is served from