1 files changed, 18 insertions, 0 deletions
diff --git a/devtools/client/application/test/browser/resources/service-workers/debug-sw.js b/devtools/client/application/test/browser/resources/service-workers/debug-sw.js
new file mode 100644
index 0000000000..31f0b1bdd2
--- /dev/null
+++ b/devtools/client/application/test/browser/resources/service-workers/debug-sw.js
@@ -0,0 +1,18 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+self.addEventListener("activate", event => {
+  event.waitUntil(self.clients.claim());
+});
+
+self.onfetch = function (event) {
+  const url = event.request.url;
+
+  const response = url.endsWith("test")
+    ? new Response("lorem ipsum", { statusText: "OK" })
+    : fetch(event.request);
+
+  event.respondWith(response);
+};