Deploy 0.8.28

Examples/Textarea/index.js

@@ -7,8 +7,7 @@ Y({
   },
   connector: {
     name: 'websockets-client',
-    room: 'Textarea-example',
+    room: 'Textarea-example'
-    url: '127.0.0.1:1234'
   },
   sourceDir: '/bower_components',
   share: {

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "yjs",
-  "version": "0.8.27",
+  "version": "0.8.28",
   "homepage": "y-js.org",
   "authors": [
     "Kevin Jahns <kevin.jahns@rwth-aachen.de>"

y.es6

@@ -52,6 +52,7 @@ module.exports = function (Y/* :any */) {
       this.broadcastedHB = false
       this.syncStep2 = Promise.resolve()
       this.broadcastOpBuffer = []
+      this.protocolVersion = 8
     }
     reconnect () {
     }
@@ -208,6 +209,18 @@ module.exports = function (Y/* :any */) {
       if (this.debug) {
         console.log(`receive ${sender} -> ${this.userId}: ${message.type}`, JSON.parse(JSON.stringify(message))) // eslint-disable-line
       }
+      if (message.protocolVersion != null && message.protocolVersion !== this.protocolVersion) {
+        console.error(
+          `You tried to sync with a yjs instance that has a different protocol version
+          (You: ${this.protocolVersion}, Client: ${message.protocolVersion}).
+          The sync was stopped. You need to upgrade your dependencies (especially Yjs & the Connector)!
+          `)
+        this.send(sender, {
+          type: 'sync stop',
+          protocolVersion: this.protocolVersion
+        })
+        return
+      }
       if (message.type === 'sync step 1') {
         // TODO: make transaction, stream the ops
         let conn = this