From 1b4f5f0f6202ff38d4ad9ca0a371168131d28f7d Mon Sep 17 00:00:00 2001
From: James Taylor <jamest@uk.ibm.com>
Date: Mon, 30 Jan 2017 23:23:58 +0000
Subject: [PATCH] Handle arrays and empty strings in conversation response

Closes #14
---
 recipes/conversation/conversation.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/recipes/conversation/conversation.js b/recipes/conversation/conversation.js
index c2e02195..e205d1ac 100755
--- a/recipes/conversation/conversation.js
+++ b/recipes/conversation/conversation.js
@@ -138,10 +138,16 @@ textStream.on('data', function(str) {
         console.log('error:', err);
       } else {
         context = response.context ; //update conversation context
-        conversation_response =  response.output.text[0]  ;
-        if (conversation_response != undefined ){
+        
+        if (Array.isArray(response.output.text)) {
+          conversation_response = response.output.text.join(' ').trim();
+        } else {
+          conversation_response = undefined;
+        }
+        
+        if (conversation_response){
           var params = {
-            text: response.output.text[0],
+            text: conversation_response,
             voice: config.voice,
             accept: 'audio/wav'
           };