init

app/static/scripts/service-worker.js

@@ -0,0 +1,25 @@
+// we're **progressive** now
+
+const ASSETS = [
+    "/resources/",
+    "/index.htm",
+    "/secrets/",
+    "/"
+];
+
+let cache_name = "SimiCart"; // The string used to identify our cache
+self.addEventListener("install", event => {
+    console.log("installing...");
+    event.waitUntil(
+        caches
+            .open(cache_name)
+            .then(cache => {
+                return cache.addAll(assets);
+            })
+            .catch(err => console.log(err))
+    );
+});
+
+self.addEventListener("fetch", event => {
+    console.log("You fetched " + event.url);
+});