From c5aa244f715023fd4572b2e1930d920dc95f86b0 Mon Sep 17 00:00:00 2001
From: Ruben Bridgewater <ruben@bridgewater.de>
Date: Thu, 15 Feb 2018 03:26:17 +0100
Subject: [PATCH] buffer: stricter isEncoding

Due to a consolidation the isEncoding function got less strict in
version 5.x.x. This commit makes sure we do not return `true` for
empty strings.
---
 lib/buffer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/buffer.js b/lib/buffer.js
index 68cebedcc97ef4..0aa9e2001bd9d7 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -427,7 +427,7 @@ Buffer.compare = function compare(a, b) {
 
 
 Buffer.isEncoding = function isEncoding(encoding) {
-  return typeof encoding === 'string' &&
+  return typeof encoding === 'string' && encoding.length !== 0 &&
          normalizeEncoding(encoding) !== undefined;
 };
 Buffer[kIsEncodingSymbol] = Buffer.isEncoding;