From b78d21a524f7a11ad29b4bd230f23825f80c3ed7 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 26 Jul 2020 15:02:55 +0800
Subject: Merge front end repo

---
 Timeline/ClientApp/src/sw/sw.ts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Timeline/ClientApp/src/sw/sw.ts

(limited to 'Timeline/ClientApp/src/sw/sw.ts')

diff --git a/Timeline/ClientApp/src/sw/sw.ts b/Timeline/ClientApp/src/sw/sw.ts
new file mode 100644
index 00000000..9d62757a
--- /dev/null
+++ b/Timeline/ClientApp/src/sw/sw.ts
@@ -0,0 +1,28 @@
+import { precacheAndRoute, matchPrecache } from 'workbox-precaching';
+import { setDefaultHandler } from 'workbox-routing';
+import { NetworkOnly } from 'workbox-strategies';
+
+declare let self: ServiceWorkerGlobalScope;
+
+self.addEventListener('message', (event) => {
+  if (event.data && (event.data as { type: string }).type === 'SKIP_WAITING') {
+    void self.skipWaiting();
+  }
+});
+
+precacheAndRoute(self.__WB_MANIFEST);
+
+const networkOnly = new NetworkOnly();
+
+setDefaultHandler((options) => {
+  const { request, url } = options;
+  if (url && url.pathname.startsWith('/api/')) {
+    return networkOnly.handle(options);
+  }
+
+  if (request instanceof Request && request.destination === 'document')
+    return matchPrecache('/index.html').then((r) =>
+      r == null ? Response.error() : r
+    );
+  else return networkOnly.handle(options);
+});
-- 
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