46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
/* Minimal service worker: caches the shell so the PWA is installable.
|
||
|
|
Never touches /api/* (live data + SSE streams). Network-first, so open
|
||
|
|
dashboards always run the latest shell when the server is reachable. */
|
||
|
|
|
||
|
|
const CACHE = 'proddash-v1';
|
||
|
|
const SHELL = [
|
||
|
|
'/',
|
||
|
|
'/style.css',
|
||
|
|
'/shell.js',
|
||
|
|
'/manifest.webmanifest',
|
||
|
|
'/icons/icon-192.png',
|
||
|
|
'/icons/icon-512.png',
|
||
|
|
];
|
||
|
|
|
||
|
|
self.addEventListener('install', (event) => {
|
||
|
|
event.waitUntil(
|
||
|
|
caches.open(CACHE).then((cache) => cache.addAll(SHELL)).then(() => self.skipWaiting())
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
self.addEventListener('activate', (event) => {
|
||
|
|
event.waitUntil(
|
||
|
|
caches.keys()
|
||
|
|
.then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k))))
|
||
|
|
.then(() => self.clients.claim())
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
self.addEventListener('fetch', (event) => {
|
||
|
|
const url = new URL(event.request.url);
|
||
|
|
if (event.request.method !== 'GET' || url.pathname.startsWith('/api/')) return;
|
||
|
|
|
||
|
|
// Network first, cache fallback
|
||
|
|
event.respondWith(
|
||
|
|
fetch(event.request)
|
||
|
|
.then((res) => {
|
||
|
|
const copy = res.clone();
|
||
|
|
caches.open(CACHE).then((cache) => cache.put(event.request, copy));
|
||
|
|
return res;
|
||
|
|
})
|
||
|
|
.catch(() => caches.match(event.request, { ignoreSearch: true }))
|
||
|
|
);
|
||
|
|
});
|