diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
index 5ecfc1b..61a27d8 100644
--- a/.github/workflows/integration.yaml
+++ b/.github/workflows/integration.yaml
@@ -20,7 +20,7 @@ jobs:
 
       - name: Yarn Install
         run: yarn install --frozen-lockfile
-        
+
       - name: Yarn Build
         run: yarn build
 
diff --git a/src/sw.js b/src/sw.js
new file mode 100644
index 0000000..117f1e6
--- /dev/null
+++ b/src/sw.js
@@ -0,0 +1,29 @@
+import INDEX_HTML from "../index.html";
+
+import { SWReplay } from "@webrecorder/wabac/src/swmain";
+
+import { WorkerLoader } from "@webrecorder/wabac/src/loaders";
+
+if (self.registration) {
+  const staticData = new Map();
+
+  const prefix = 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 = {};
+
+  if (sp.get("ruffle") == "1") {
+    defaultConfig.injectScripts = ["ruffle/ruffle.js"];
+  }
+
+  self.sw = new SWReplay({ staticData, defaultConfig });
+} else {
+  new WorkerLoader(self);
+}