From 1c27c3465b6b978515e14986ddce3f1f37ecd373 Mon Sep 17 00:00:00 2001
From: emizzle <ericmastro@status.im>
Date: Mon, 24 Sep 2018 11:10:19 +1000
Subject: [PATCH] Handle case when socket not opened
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If the socket is not already opened, listen for ‘open’ event before sending the `outputDone` data.
---
 lib/modules/webserver/server.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/modules/webserver/server.js b/lib/modules/webserver/server.js
index fcd0a83c6..239677a44 100644
--- a/lib/modules/webserver/server.js
+++ b/lib/modules/webserver/server.js
@@ -42,8 +42,13 @@ class Server {
     this.app.ws('/', function(ws, _req) {
       self.events.on('outputDone', () => {
         if (ws.readyState === WEB_SOCKET_STATE_OPEN) {
-          ws.send('outputDone');
+          return ws.send('outputDone');
         }
+        // if the socket wasn't yet opened, listen for the 'open' event,
+        // then send the 'outputDone' data
+        ws.addEventListener('open', _event => {
+          ws.send('outputDone');
+        });
       });
     });