1 files changed, 46 insertions, 0 deletions
diff --git a/sw.js b/sw.js
new file mode 100644
index 0000000..c1f9f91
--- /dev/null
+++ b/sw.js
@@ -0,0 +1,46 @@
+// Change version to cause cache refresh, sw.js SE NE SME CACHAT aka ne ga dat v assets!
+const static_cache_name = "site-static-v0.0.7";
+const assets = [
+    "./",
+	"./courbd.ttf",
+	"./favicon.ico",
+	"./favicon.png",
+	"./iso-8859-2.js",
+	"./myriadpro.otf",
+	"./myriadpro-semibold.otf",
+	"./qr.html",
+	"./qrcode.js",
+	"./qrcode.tosjis.js",
+	"./upn.html",
+	"./upn.svg",
+    "./index.html",
+    "./512x512.png",
+    "./192x192.png",
+    "./manifest.json"
+];
+
+self.addEventListener("install", (evt) => {
+    evt.waitUntil(
+        caches.open(static_cache_name).then((cache) => {
+            cache.addAll(assets);
+        })
+    );
+});
+
+// Delete old caches
+self.addEventListener("activate", evt => {
+    evt.waitUntil(
+        caches.keys().then((keys) => {
+            return Promise.all(keys
+                .filter(key => key !== static_cache_name)
+                .map(key => caches.delete(key))
+            );
+        })
+    );
+});
+
+self.addEventListener("fetch", (evt) => {
+    evt.respondWith(caches.match(evt.request).then((cache_res) => {
+        return cache_res || fetch(evt.request);
+    }))
+});