From 5b370ee96b55d0ebac226ccc40c28bbd77a8fc02 Mon Sep 17 00:00:00 2001
From: Oleg Kalachev <okalachev@gmail.com>
Date: Tue, 13 Oct 2020 15:06:26 +0300
Subject: [PATCH] blocks: treat cancel in prompt as empty string

---
 clover_blocks/www/main.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clover_blocks/www/main.js b/clover_blocks/www/main.js
index cb8c7f69..c85952b4 100644
--- a/clover_blocks/www/main.js
+++ b/clover_blocks/www/main.js
@@ -107,7 +107,7 @@ new ROSLIB.Topic({ ros: ros.ros, name: ros.priv + 'prompt', messageType: 'clover
 		name: ros.priv + 'input/' + msg.id,
 		messageType: 'std_msgs/String',
 		latch: true
-	}).publish(new ROSLIB.Message({ data: response }));
+	}).publish(new ROSLIB.Message({ data: response || '' }));
 });
 
 window.stopProgram = function() {