From ec5d2a8ce093b14dee2b380394d50750b17379a5 Mon Sep 17 00:00:00 2001
From: 1computer1 <mineox100@gmail.com>
Date: Tue, 12 Mar 2019 12:53:17 -0400
Subject: [PATCH] Fix empty invalid options

---
 src/listeners/messageInvalid.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/listeners/messageInvalid.js b/src/listeners/messageInvalid.js
index dfaedc2..cb830f5 100644
--- a/src/listeners/messageInvalid.js
+++ b/src/listeners/messageInvalid.js
@@ -72,6 +72,10 @@ class MessageInvalidListener extends Listener {
         const valid = new Map();
         const invalid = [];
         for (const [key, value] of kvs) {
+            if (!key) {
+                continue;
+            }
+
             const ok = Object.prototype.hasOwnProperty.call(language.options, key) && language.options[key](value);
             if (ok) {
                 valid.set(key, value);