feat(react-scripts): migrate workbox v4: generateSW to injectManifest

Author: Marlon Maxwel

packages/cra-template/template/src/sw.js

@@ -0,0 +1,17 @@
+self.addEventListener('message', function(event) {
+  if (event.data && event.data.type === 'SKIP_WAITING') {
+    self.skipWaiting();
+  }
+});
+
+workbox.core.clientsClaim();
+
+self.__precacheManifest = [].concat(self.__precacheManifest || []);
+workbox.precaching.precacheAndRoute(self.__precacheManifest, {});
+
+workbox.routing.registerNavigationRoute(
+  workbox.precaching.getCacheKeyForURL('/index.html'),
+  {
+    blacklist: [new RegExp('^/_'), new RegExp('/[^/?]+\\.[^/]+$')],
+  }
+);