smov/src/setup/pwa.ts

import { registerSW } from "virtual:pwa-register";

const intervalMS = 60 * 60 * 1000;

registerSW({
  immediate: true,
  onRegisteredSW(swUrl, r) {
    if (!r) return;
    setInterval(async () => {
      if (!(!r.installing && navigator)) return;

      if ("connection" in navigator && !navigator.onLine) return;

      const resp = await fetch(swUrl, {
        cache: "no-store",
        headers: {
          cache: "no-store",
          "cache-control": "no-cache",
        },
      });

      if (resp?.status === 200) {
        await r.update();
      }
    }, intervalMS);
  },
});