add offline support

1 files changed, 10 insertions, 0 deletions

diff --git a/views/index.jade b/views/index.jade
index b4db649..c219d94 100644
--- a/views/index.jade
+++ b/views/index.jade
@@ -30,3 +30,13 @@ block content
   iframe(src='/hello', scrolling='no')#schedule
 
   script(src='/javascripts/bundle.js')
+  script.
+    if ('serviceWorker' in navigator) {
+      navigator.serviceWorker.register('/sw.js').then(function(registration) {
+        // Registration was successful
+        console.log('ServiceWorker registration successful with scope: ', registration.scope)
+      }).catch(function(err) {
+        // registration failed :(
+        console.log('ServiceWorker registration failed: ', err)
+      })
+    }