chore: convert sw.js to typescript

src/sw.ts

@@ -0,0 +1,35 @@
+import INDEX_HTML from "../index.html";
+
+import { SWReplay } from "@webrecorder/wabac/src/swmain";
+
+import { WorkerLoader } from "@webrecorder/wabac/src/loaders";
+
+type Self = Window &
+  typeof globalThis & {
+    registration: { scope: string };
+    sw: SWReplay;
+  };
+
+if ((self as Self).registration) {
+  const staticData = new Map();
+
+  const prefix = (self as Self).registration.scope;
+
+  staticData.set(prefix, { type: "text/html", content: INDEX_HTML });
+  staticData.set(prefix + "index.html", {
+    type: "text/html",
+    content: INDEX_HTML,
+  });
+
+  const sp = new URLSearchParams(self.location.search);
+
+  const defaultConfig: { injectScripts?: string[] } = {};
+
+  if (sp.get("ruffle") == "1") {
+    defaultConfig.injectScripts = ["ruffle/ruffle.js"];
+  }
+
+  (self as Self).sw = new SWReplay({ staticData, defaultConfig });
+} else {
+  new WorkerLoader(self);
+}