Improved syntax for determining port

vercel · Jul 2, 2017 · dae446e · dae446e
1 parent 6655ed6
commit dae446e
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/lib/options.js b/lib/options.js
@@ -1,10 +1,11 @@
+const envPort = process.env.PORT
+const defaultPort = isNaN(envPort) ? 5000 : parseInt(envPort, 10)
+
 exports.options = [
   {
     name: 'port',
     description: 'Port to listen on',
-    defaultValue: isNaN(process.env.PORT)
-      ? 5000
-      : parseInt(process.env.PORT, 10)
+    defaultValue: defaultPort
   },
   {
     name: 'cache',