From 7a80efd8bd8f82ea8f59993c1a775371925fb6d1 Mon Sep 17 00:00:00 2001
From: Daniel Imms <daimms@microsoft.com>
Date: Wed, 8 Jun 2016 19:28:55 -0700
Subject: [PATCH] Don't crash demo server on refresh

Fixes #100
---
 demo/app.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/demo/app.js b/demo/app.js
index 77038cc2..c48f6091 100644
--- a/demo/app.js
+++ b/demo/app.js
@@ -29,9 +29,12 @@ app.ws('/bash', function(ws, req) {
     cwd: process.env.PWD,
     env: process.env
   });
-
   term.on('data', function(data) {
-    ws.send(data);
+    try {
+      ws.send(data);
+    } catch (ex) {
+      // The WebSocket is not open, ignore
+    }
   });
   ws.on('message', function(msg) {
     term.write(msg);