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Fix: SW-Update via updatefound+statechange (primär), controllerchange (Backup) — SW by-v797

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rene 2026-05-09 19:47:14 +02:00
parent 209d6703ad
commit 67f042df75
3 changed files with 15 additions and 5 deletions
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16
backend/static/index.html
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@ -628,20 +628,30 @@
window.addEventListener('load', () => {
navigator.serviceWorker.register('/sw.js', { updateViaCache: 'none' })
.then(reg => {
// iOS PWA: Update sofort prüfen (Standalone-Modus prüft sonst nicht automatisch)
reg.update();
// Primär: neuer SW hat aktiviert → sofort neu laden
reg.addEventListener('updatefound', () => {
const sw = reg.installing;
if (!sw) return;
sw.addEventListener('statechange', () => {
if (sw.state === 'activated') {
window.location.replace('/?_t=' + Date.now());
}
});
});
})
.catch(err => console.warn('SW Registration failed:', err));
});
// iOS PWA: erneut prüfen wenn App aus dem Hintergrund kommt
// Backup: erneut prüfen wenn App aus dem Hintergrund kommt
document.addEventListener('visibilitychange', () => {
if (document.visibilityState === 'visible') {
navigator.serviceWorker.getRegistration().then(reg => reg?.update());
}
});
// Wenn neuer SW die Kontrolle übernimmt → Seite neu laden
// Backup: controllerchange (falls updatefound nicht feuert)
navigator.serviceWorker.addEventListener('controllerchange', () => {
window.location.replace('/?_t=' + Date.now());
});