Build documents and examples on master.

examples/sw.js

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+// sw.js
+self.addEventListener("install", () => self.skipWaiting());
+self.addEventListener("activate", e => e.waitUntil(self.clients.claim()));
+self.addEventListener("fetch", e => {
+  if (e.request.mode != 'navigate')
+    return;
+
+  e.respondWith((async () => {
+    const response = await fetch(e.request);
+
+    const newHeaders = new Headers(response.headers);
+    newHeaders.set("Cross-Origin-Embedder-Policy", "require-corp");
+    newHeaders.set("Cross-Origin-Opener-Policy", "same-origin");
+
+    const moddedResponse = new Response(response.body, {
+      status: response.status,
+      statusText: response.statusText,
+      headers: newHeaders,
+    });
+
+    return moddedResponse;
+  })());
+});