// MyDay shell bootstrap (SPEC-009 §6). Vanilla: no framework, no build step.
//
// It registers the service worker. The worker itself caches NOTHING but static
// assets — an authenticated response and a /{GUID} page are never intercepted
// (A5) — see sw.js.
//
// This file is served same-origin from the reserved `static` workflow, so the
// CSP `script-src 'self'` holds. There are no inline scripts anywhere.
"use strict";

(function () {
  if (!("serviceWorker" in navigator)) {
    return;
  }
  window.addEventListener("load", function () {
    navigator.serviceWorker.register("/static/sw.js", { scope: "/" })["catch"](function () {
      // A failed registration (an insecure origin, a locked-down browser) is
      // not fatal: the app is fully server-rendered and works without it.
    });
  });
})();