improve error message

2016-01-04 13:31:11 -08:00 · 2016-01-04 13:31:11 -08:00 · 3cd1390539
parent 2ee3c65405
commit 3cd1390539
1 changed files with 5 additions and 1 deletions
--- a/lib/standalone.js
+++ b/lib/standalone.js
@ -162,6 +162,10 @@ function LEX(obj, app) {
  }

  function listen(plainPorts, tlsPorts, onListening) {
+    if (plainPorts && (!Array.isArray(plainPorts) || !Array.isArray(tlsPorts))) {
+      throw new Error(".listen() must be used with plain and tls port arrays, like this: `.listen([80], [443, 5001], function () {})`");
+    }
+
    var results = {
      plainServers: []
    , tlsServers: []