From 8227eb4e33bd48992b76aa66a7344bd674cd1385 Mon Sep 17 00:00:00 2001
From: Charlie Tonneslan <cst0520@gmail.com>
Date: Fri, 20 Mar 2026 09:26:33 -0400
Subject: [PATCH] fix: handle undefined head option in toString()

When the Table constructor receives head: undefined, toString() crashes
with 'Cannot read properties of undefined' because it tries to access
.length on the undefined head value. Default to an empty array.

Fixes #178
---
 lib/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/index.js b/lib/index.js
index c8d1790..cf4dbd1 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -86,7 +86,7 @@ Table.prototype.toString = function (){
   var ret = ''
     , options = this.options
     , style = options.style
-    , head = options.head
+    , head = options.head || []
     , chars = options.chars
     , truncater = options.truncate
       , colWidths = options.colWidths || new Array(this.head.length)