From b2b5e4bbc857731789c4918755bb9e7967e16220 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Lal?= <kapouer@melix.org>
Date: Thu, 11 May 2017 02:25:52 +0200
Subject: [PATCH] equivs could be empty

---
 lib/plugins.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/plugins.js b/lib/plugins.js
index 8192c09..0cecab0 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -188,7 +188,9 @@ exports.httpequivs = function httpequivs(page, settings, request, response) {
 					console.warn("express-dom got http-equiv Status with invalid value", status);
 				}
 			}
-			response.append(equivs);
+			if (Object.keys(equivs).length) {
+				response.append(equivs);
+			}
 		});
 	});
 };