v1.0 with SW PWA enabled

frontend/node_modules/workbox-window/src/utils/WorkboxEvent.ts

@@ -0,0 +1,59 @@
+/*
+  Copyright 2019 Google LLC
+
+  Use of this source code is governed by an MIT-style
+  license that can be found in the LICENSE file or at
+  https://opensource.org/licenses/MIT.
+*/
+
+import {WorkboxEventTarget} from './WorkboxEventTarget.js';
+import '../_version.js';
+
+/**
+ * A minimal `Event` subclass shim.
+ * This doesn't *actually* subclass `Event` because not all browsers support
+ * constructable `EventTarget`, and using a real `Event` will error.
+ * @private
+ */
+export class WorkboxEvent<K extends keyof WorkboxEventMap> {
+  target?: WorkboxEventTarget;
+  sw?: ServiceWorker;
+  originalEvent?: Event;
+  isExternal?: boolean;
+
+  constructor(
+    public type: K,
+    props: Omit<WorkboxEventMap[K], 'target' | 'type'>,
+  ) {
+    Object.assign(this, props);
+  }
+}
+
+export interface WorkboxMessageEvent extends WorkboxEvent<'message'> {
+  data: any;
+  originalEvent: Event;
+  ports: readonly MessagePort[];
+}
+
+export interface WorkboxLifecycleEvent
+  extends WorkboxEvent<keyof WorkboxLifecycleEventMap> {
+  isUpdate?: boolean;
+}
+
+export interface WorkboxLifecycleWaitingEvent extends WorkboxLifecycleEvent {
+  wasWaitingBeforeRegister?: boolean;
+}
+
+export interface WorkboxLifecycleEventMap {
+  installing: WorkboxLifecycleEvent;
+  installed: WorkboxLifecycleEvent;
+  waiting: WorkboxLifecycleWaitingEvent;
+  activating: WorkboxLifecycleEvent;
+  activated: WorkboxLifecycleEvent;
+  controlling: WorkboxLifecycleEvent;
+  redundant: WorkboxLifecycleEvent;
+}
+
+export interface WorkboxEventMap extends WorkboxLifecycleEventMap {
+  message: WorkboxMessageEvent;
+}