From a49787a56e31790f11faf47f12cd496af73fc878 Mon Sep 17 00:00:00 2001
From: Forbes Lindesay <forbes@lindesay.co.uk>
Date: Mon, 18 Dec 2017 18:03:02 +0000
Subject: [PATCH] Rethrow promise errors (#296)

---
 lib/start-server.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/start-server.js b/lib/start-server.js
index 2777a72deb..4475ebb839 100755
--- a/lib/start-server.js
+++ b/lib/start-server.js
@@ -45,4 +45,8 @@ tcpPortUsed.check(port, 'localhost').then(function(inUse) {
     const server = require('./server/server.js');
     server(port);
   }
+}).catch(function(ex) {
+  setTimeout(function() {
+    throw ex;
+  }, 0);
 });