From 4e6fc051eca89038dbf7997992f41d6d54473b62 Mon Sep 17 00:00:00 2001
From: Guillermo Rauch <rauchg@gmail.com>
Date: Thu, 7 Jul 2016 07:49:11 -0700
Subject: [PATCH] config: add error handling

---
 config.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/config.js b/config.js
index 8a5dc415..0f6d19d2 100644
--- a/config.js
+++ b/config.js
@@ -19,6 +19,11 @@ function exec (str) {
   const script = new vm.Script(str);
   const mod = {};
   script.runInNewContext(mod);
+  const cfg = mod.exports.config;
+  if (!cfg) {
+    throw new Error('Error reading configuration: `config` key is missing');
+  }
+  return cfg;
 }
 
 exports.init = function () {