From b0971ed56a5aebb72ee97e27e834ad986b815dcb Mon Sep 17 00:00:00 2001
From: Erik Roemmelt <roemmelter63329@th-nuernberg.de>
Date: Mon, 12 Nov 2018 00:17:21 +0100
Subject: [PATCH] First Commit: serviceWorker.js (yet not running)

---
 public/serviceWorker.js | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 public/serviceWorker.js

diff --git a/public/serviceWorker.js b/public/serviceWorker.js
new file mode 100644
index 0000000..d24de20
--- /dev/null
+++ b/public/serviceWorker.js
@@ -0,0 +1,39 @@
+'use strict';
+
+// TODO: Instance var/const for version control and cache list
+
+// NOTE: Registration
+if ('serviceWorker' in navigator) {
+	// Register a service worker hosted at the root of the
+	// site using the default scope.
+	navigator.serviceWorker.register('/serviceWorker.js', {
+		scope: '/'
+	}).then(function (registration) {
+		return console.log('Service worker registration succeeded: ', registration);
+	}).catch(function (error) {
+		// registration failed
+		return console.log('Service worker registration failed: ', error);
+	});
+} else {
+	console.log('Service workers are not supported.');
+}
+
+// NOTE: Install and activate: Populating cache
+self.addEventListener('install', function (event) {
+	event.waitUntil(
+		caches.open('v1').then(function (cache) {
+			return cache.addAll([
+        '/',
+        '/index.html',
+        '/style.css'
+		   ]);
+		})
+	);
+});
+
+// NOTE: Fetch structure
+self.addEventListener('fetch', function(event) {
+
+});
+
+// NOTE: Activate structure <- TODO: Delete older cache versions