Add mincoi

Author: laffra

index.html

@@ -9,6 +9,37 @@
         <link rel="icon" type="image/x-icon" href="favicon.ico">
         <meta name="viewport" content="width=device-width,initial-scale=1">
 
+        <script>
+            /*! coi-serviceworker v0.1.7 - Guido Zuidhof and contributors, licensed under MIT */
+            /*! mini-coi - Andrea Giammarchi and contributors, licensed under MIT */
+            (({ document: d, navigator: { serviceWorker: s } }) => {
+              if (d) {
+                const { currentScript: c } = d;
+                s.register(c.src, { scope: c.getAttribute('scope') || '.' }).then(r => {
+                  r.addEventListener('updatefound', () => location.reload());
+                  if (r.active && !s.controller) location.reload();
+                });
+              }
+              else {
+                addEventListener('install', () => skipWaiting());
+                addEventListener('activate', e => e.waitUntil(clients.claim()));
+                addEventListener('fetch', e => {
+                  const { request: r } = e;
+                  if (r.cache === 'only-if-cached' && r.mode !== 'same-origin') return;
+                  e.respondWith(fetch(r).then(r => {
+                    const { body, status, statusText } = r;
+                    if (!status || status > 399) return r;
+                    const h = new Headers(r.headers);
+                    h.set('Cross-Origin-Opener-Policy', 'same-origin');
+                    h.set('Cross-Origin-Embedder-Policy', 'require-corp');
+                    h.set('Cross-Origin-Resource-Policy', 'cross-origin');
+                    return new Response(body, { status, statusText, headers: h });
+                  }));
+                });
+              }
+            })(self);
+        </script>
+
         <!-- Import PyScript - see kitchensink.js for activation -->
         <script type="module" src="https://pyscript.net/releases/2023.11.1/core.js"></script>
         <link rel="stylesheet" href="https://pyscript.net/releases/2023.11.1/core.css" />
@@ -36,4 +67,4 @@ <h1 id="title">The <a href=https://github.com/laffra/ltk>LTK</a> Kitchensink for
         <script src="kitchensink.js"></script>
     </body>
 
-</html>
+</html>