feat(Connection): send feature flag on connect

lib/falcor-http-ws-datasource.js

@@ -84,6 +84,14 @@ class FalcorHttpPullWebSocketPushDataSource extends FalcorHttpDataSource {
     return this.config.bearerToken;
   }
 
+  _readFeatureFlags() {
+    if (this.config.dynamicHeaders) {
+      return this.config.dynamicHeaders()['X-LANDR-FEATUREFLAGS'];
+    }
+
+    return null;
+  }
+
   startWS() {
     if (this.socket && !this.socket.disconnected) {
       try {
@@ -96,7 +104,11 @@ class FalcorHttpPullWebSocketPushDataSource extends FalcorHttpDataSource {
       this.socket = new SocketIoClient(this.pushUrl, this.config);
 
       this.socket.on('connect', () => {
-        this.socket.emit('authorization', {bearerToken: this._readBearerTokenFromDynamicHeaders(), tabId: this.tabId});
+        this.socket.emit('authorization', { 
+          bearerToken: this._readBearerTokenFromDynamicHeaders(), 
+          tabId: this.tabId,
+          featureFlags: this._readFeatureFlags()
+        });
       });
 
       if (this.callback) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "falcor-http-ws-datasource",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "Falcor HTTP and WebSocket datasource",
   "homepage": "",
   "author": {