From 6da519637cf34f0b5adb4dd9560a168a794f496e Mon Sep 17 00:00:00 2001
From: Jason Mitchell <jason.mitchell.w@gmail.com>
Date: Fri, 25 Aug 2017 14:02:42 -0700
Subject: [PATCH] Replace a.constructor === Array with Array.isArray(a)

Reason being a.constructor === Array is always falsey when you run showdown within Node's VM API.

Related to https://github.com/nodejs/node/issues/7351
---
 src/helpers.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/helpers.js b/src/helpers.js
index d0cdae0d..c72be004 100644
--- a/src/helpers.js
+++ b/src/helpers.js
@@ -37,7 +37,7 @@ showdown.helper.isFunction = function (a) {
  */
 showdown.helper.isArray = function (a) {
   'use strict';
-  return a.constructor === Array;
+  return Array.isArray(a);
 };
 
 /**