From 05ccb4d8f1bbe3fb64e117136b4a89bcfb0b0b33 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Oct 2020 19:21:35 +0800
Subject: Split front and back end.

---
 FrontEnd/src/sw/sw.ts         | 28 ++++++++++++++++++++++++++++
 FrontEnd/src/sw/tsconfig.json | 12 ++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 FrontEnd/src/sw/sw.ts
 create mode 100644 FrontEnd/src/sw/tsconfig.json

(limited to 'FrontEnd/src/sw')

diff --git a/FrontEnd/src/sw/sw.ts b/FrontEnd/src/sw/sw.ts
new file mode 100644
index 00000000..d6202f36
--- /dev/null
+++ b/FrontEnd/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);
+});
diff --git a/FrontEnd/src/sw/tsconfig.json b/FrontEnd/src/sw/tsconfig.json
new file mode 100644
index 00000000..71fc0bcd
--- /dev/null
+++ b/FrontEnd/src/sw/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "lib": [
+      "esnext",
+      "webworker"
+    ]
+  },
+  "include": [
+    "."
+  ]
+}
-- 
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