improved examples

Examples/ServiceWorker/index.js

@@ -1,14 +1,26 @@
 /* global Y, Quill */
 
-// initialize a shared object. This function call returns a promise!
+var connector, serviceworker
 
+// register yjs service worker
+if ('serviceWorker' in navigator) {
+  // service worker is supported by the browser
+  connector = 'serviceworker'
+  serviceworker = navigator.serviceWorker.register('../bower_components/y-serviceworker/yjs-service-worker.js')
+} else {
+  // use websockets for browsers that do not support service browser
+  connector = 'websockets-client'
+}
+
+// initialize a shared object. This function call returns a promise!
 Y({
   db: {
     name: 'memory'
   },
   connector: {
-    name: 'websockets-client',
-    room: 'ServiceWorkerExample'
+    name: connector,
+    serviceworker: serviceworker,
+    room: 'ServiceWorkerExample2'
   },
   sourceDir: '/bower_components',
   share: {
@@ -33,19 +45,7 @@ Y({
       ]
     },
     theme: 'snow'
-  });
+  })
   // bind quill to richtext type
   y.share.richtext.bind(window.quill)
-})
-
-if ('serviceWorker' in navigator) {
-  navigator.serviceWorker.register('./yjs-service-worker.js').then(function(registration) {
-    // Registration was successful
-    console.log('Yjs ServiceWorker registration successful with scope: ', registration.scope)
-    registration.active.postMessage('hi sw')
-    addEventListener('message', function () {console.log.apply(console, ['host received:'].concat(arguments))}, true)
-  }).catch(function(err) {
-    // registration failed :(
-    console.log('Yjs ServiceWorker registration failed: ', err)
-  });
-}
+})

Examples/ServiceWorker/yjs-service-worker.js

@@ -1,23 +0,0 @@
-importScripts(
-  '/bower_components/yjs/y.js',
-  '/bower_components/y-memory/y-memory.js',
-  '/bower_components/y-indexeddb/y-indexeddb.js',
-  '/bower_components/y-websockets-client/y-websockets-client.js'
-)
-
-Y({
-  db: {
-    name: 'memory'
-  },
-  connector: {
-    name: 'websockets-client',
-    room: 'ServiceWorkerExample',
-    options: { jsonp: false }
-  }
-}).then(function (y) {
-  console.log('y sw init')
-})
-
-addEventListener('message', function () {
-  console.log.apply(console, ['sw received:'].concat(arguments))
-}, true)