feat(bswup): add cleanup command #11870 (#11872)

Author: msynk

src/Bswup/Bit.Bswup/Scripts/bit-bswup.sw.ts

@@ -234,6 +234,10 @@ function handleMessage(e: MessageEvent<string>) {
  if (e.data === 'BLAZOR_STARTED') {
  createAssetsCache(true);
  }
+
+ if (e.data === 'CLEAN_UP') {
+ deleteOldCaches(); // remove the old caches
+ }
 }
 
 // ============================================================================

src/Bswup/Bit.Bswup/Scripts/bit-bswup.ts

@@ -1,4 +1,4 @@
-var BitBswup = BitBswup || {};
+var BitBswup = BitBswup || {};
 BitBswup.version = window['bit-bswup version'] = '10.2.1-pre-01';
 
 (function () {
@@ -19,6 +19,7 @@ BitBswup.version = window['bit-bswup version'] = '10.2.1-pre-01';
  startBlazor();
 
  let reload: () => void;
+ let cleanup: () => void;
  let blazorStartResolver: (value: unknown) => void;
 
  try {
@@ -39,7 +40,7 @@ BitBswup.version = window['bit-bswup version'] = '10.2.1-pre-01';
  function prepareRegistration(reg) {
  reload = () => {
  if (navigator.serviceWorker.controller) {
- reg.waiting && reg.waiting.postMessage('SKIP_WAITING');
+ reg.waiting?.postMessage('SKIP_WAITING');
  return Promise.resolve();
  }
 
@@ -51,6 +52,11 @@ BitBswup.version = window['bit-bswup version'] = '10.2.1-pre-01';
  window.location.reload();
  };
 
+ cleanup = () => {
+ reg.waiting?.postMessage('CLEAN_UP');
+ reg.active?.postMessage('CLEAN_UP');
+ };
+
  if (reg.waiting) {
  info('registration waiting:', reg.waiting);
  if (reg.installing) {
@@ -128,13 +134,13 @@ BitBswup.version = window['bit-bswup version'] = '10.2.1-pre-01';
 
  if (data.percent >= 100) {
  const firstInstall = !(navigator.serviceWorker.controller);
- handle(BswupMessage.downloadFinished, { reload, firstInstall });
+ handle(BswupMessage.downloadFinished, { reload, cleanup, firstInstall });
  }
  }
 
  if (type === 'bypass') {
  const firstInstall = data?.firstTime || !(navigator.serviceWorker.controller);
- handle(BswupMessage.downloadFinished, { reload, firstInstall });
+ handle(BswupMessage.downloadFinished, { reload, cleanup, firstInstall });
  }
 
  if (type === 'activate') {