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feat: do cache revalidation when it actually exists

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Ayo Ayco 2024-08-19 12:42:50 +02:00
parent 8cc7a64338
commit b18ea923e2
1 changed files with 14 additions and 10 deletions
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14
src/sw.mjs
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@ -46,19 +46,21 @@ const cacheAndRevalidate = async ({ request, preloadResponsePromise, fallbackUrl
const responseFromCache = await cache.match(request);
if (responseFromCache) {
logInfo('using cached response...', { force: forceLogging, context: 'cozy-sw', data: responseFromCache.url })
return responseFromCache;
}
// get network response for revalidation of cached assets
fetch(request.clone()).then((responseFromNetwork) => {
if (responseFromNetwork) {
logInfo('updated cached resource...', { force: forceLogging, context: 'cozy-sw', data: responseFromNetwork.url })
logInfo('fetched updated resource...', { force: forceLogging, context: 'cozy-sw', data: responseFromNetwork.url })
putInCache(request, responseFromNetwork.clone());
}
}).catch((error) => {
logError('failed to fetch updated resource', { force: forceLogging, context: 'cozy-sw', data: error })
});
return responseFromCache;
}
// Try to use the preloaded response, if it's there
// NOTE: Chrome throws errors regarding preloadResponse, see:
// https://bugs.chromium.org/p/chromium/issues/detail?id=1420515
@ -115,11 +117,13 @@ self.addEventListener('activate', (event) => {
});
self.addEventListener('install', (event) => {
logInfo('installing service worker...', { force: forceLogging, context: 'cozy-sw' })
self.skipWaiting(); // go straight to activate
event.waitUntil(
addResourcesToCache(__assets ?? [])
);
self.skipWaiting(); // activate updated SW
});
self.addEventListener('fetch', (event) => {