working towards a PWA

client/index.js

@@ -3,3 +3,16 @@ import { Elm } from "./elm/Main.elm";
 Elm.Main.init(
   { node: document.getElementById("root") }
 );
+
+if ('serviceWorker' in navigator) {
+  window.addEventListener('load', function() {
+    navigator.serviceWorker.register(new URL('./sw.js', import.meta.url)).then(function(registration) {
+      // Registration was successful
+      console.log('ServiceWorker registration successful with scope: ', registration.scope);
+    }, function(err) {
+      // registration failed :(
+      console.log('ServiceWorker registration failed: ', err);
+    });
+  });
+}
+