minor rasa fix

lib/tasks/rasa.js

@@ -111,7 +111,9 @@ class Rasa extends Task {
       const response = await this.post(this.data.url, payload);
       this.logger.debug({response}, 'Rasa:_onTranscription - got response from Rasa');
       const botUtterance = Array.isArray(response) ?
-        response.reduce((prev, current) => `${prev} ${current.text}`, '') :
+        response.reduce((prev, current) => {
+          return current.text ? `${prev} ${current.text}` : '';
+        }, '') :
         null;
       if (botUtterance) {
         this.logger.debug({botUtterance}, 'Rasa:_onTranscription: got user utterance');
@@ -119,7 +121,7 @@ class Rasa extends Task {
         this.gatherTask.exec(cs, ep, this)
           .catch((err) => this.logger.info({err}, 'Rasa gather task returned error'));
         if (this.eventHook) {
-          this.performHook(cs, this.eventHook, {event: 'botMessage', message: botUtterance})
+          this.performHook(cs, this.eventHook, {event: 'botMessage', message: response})
             .then((redirected) => {
               if (redirected) {
                 this.logger.info('Rasa_onTranscription: event handler for bot message redirected us to new webhook');

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jambonz-feature-server",
-  "version": "0.3.1",
+  "version": "0.6.6",
   "main": "app.js",
   "engines": {
     "node": ">= 10.16.0"