27 lines
976 B
JavaScript
27 lines
976 B
JavaScript
/* eslint-disable no-undef */
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// Self-destructing service worker.
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//
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// The previous version of this file used a cache-first strategy with no
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// dev-mode guard, which pinned stale JS/HTML chunks until a hard reload.
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// This replacement unregisters itself and wipes all caches as soon as the
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// browser picks it up. Browsers re-fetch sw.js on every navigation to check
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// for updates, so any client running the old worker will swap to this one
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// on their next page load and then lose the worker entirely.
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self.addEventListener("install", () => {
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self.skipWaiting();
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});
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self.addEventListener("activate", (event) => {
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event.waitUntil(
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(async () => {
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const cacheNames = await caches.keys();
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await Promise.all(cacheNames.map((name) => caches.delete(name)));
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await self.registration.unregister();
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const clients = await self.clients.matchAll({ type: "window" });
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clients.forEach((client) => client.navigate(client.url));
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})(),
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);
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});
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