From 0aa3b75b0c945918175e5b2bc1475d0c9a552903 Mon Sep 17 00:00:00 2001
From: danielkvist <danielkvist@protonmail.com>
Date: Mon, 29 Apr 2019 13:28:56 +0200
Subject: add option to enable or disable service workers

---
 README.md                     | 7 +++++++
 assets/js/main.js             | 2 +-
 assets/sw.js                  | 2 +-
 exampleSite/config.toml       | 3 +++
 layouts/partials/head.html    | 2 +-
 layouts/partials/scripts.html | 8 ++++++++
 6 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 05f8b30..b47162f 100644
--- a/README.md
+++ b/README.md
@@ -149,6 +149,13 @@ logo = ""        # Relative URL for your logo
     font = ""   # Name of the Google Font you want to use
 ```
 
+### Service Workers
+
+```toml
+[params.serviceWorker]
+    enable = true   # enables or disables service worker for caching resources
+```
+
 ### Header
 
 ```toml
diff --git a/assets/js/main.js b/assets/js/main.js
index 8549696..02cfdf4 100644
--- a/assets/js/main.js
+++ b/assets/js/main.js
@@ -6,7 +6,7 @@ window.addEventListener("load", () => {
 });
 
 // Service Worker
-if ('serviceWorker' in navigator) {
+if ('serviceWorker' in navigator && activeSW) {
     navigator.serviceWorker.register('/sw.min.js', { scope: '/' }).then((registration) => {
         console.log('ServiceWorker registration successful with scope: ', registration.scope);
     }, (err) => {
diff --git a/assets/sw.js b/assets/sw.js
index 650bc33..ef1e32a 100644
--- a/assets/sw.js
+++ b/assets/sw.js
@@ -1,4 +1,4 @@
-let cacheVersion = 'v1';
+let cacheVersion = 'v1.1';
 let urlsToCache = [
     '/css/bundle.min.css',
     '/js/bundle.min.js',
diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index 0d3c13e..41ebf73 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -63,6 +63,9 @@ themesDir = "../.."
 [params.googlefonts]
     font = ""
 
+[params.serviceWorker]
+    enable = true
+
 [params.header]
     show = true
 
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index c5295a8..eb6fe39 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -25,7 +25,7 @@
 
 	<style>
 		body {
-			font-family: '{{ .Site.Params.googlefonts.font }}',
+			font-family: '{{ $.Site.Params.googlefonts.font }}',
 			sans-serif;
 		}
 	</style>
diff --git a/layouts/partials/scripts.html b/layouts/partials/scripts.html
index fcd29c6..c819782 100644
--- a/layouts/partials/scripts.html
+++ b/layouts/partials/scripts.html
@@ -2,5 +2,13 @@
 {{ $js := slice $main | resources.Concat "js/bundle.js" | resources.Minify }}
 {{ $sw := resources.Get "/sw.js" | resources.Minify }}
 
+
+<script>
+    let activeSW = false;
+    {{ if $.Site.Params.serviceWorker.enable }}
+        activeSW = true;
+    {{ end }}
+</script>
+
 <script defer src="{{ $sw.Permalink }}"></script>
 <script defer src="{{ $js.Permalink }}"></script>
\ No newline at end of file
-- 
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