From 95c3349db74bdfea7191306a7bf14a04bbc64b19 Mon Sep 17 00:00:00 2001
From: Nolan Lawson <nolan@nolanlawson.com>
Date: Wed, 11 Apr 2018 20:30:38 -0700
Subject: [PATCH] fix bug where favicon changes incorrectly

---
 routes/_utils/setFavicon.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/routes/_utils/setFavicon.js b/routes/_utils/setFavicon.js
index 25fc8de..92efd5e 100644
--- a/routes/_utils/setFavicon.js
+++ b/routes/_utils/setFavicon.js
@@ -1,14 +1,17 @@
 // borrowed from https://github.com/HenrikJoreteg/favicon-setter
 export function setFavicon (href) {
   let faviconId = 'theFavicon'
-  let link = document.createElement('link')
   let oldLink = document.getElementById(faviconId)
+
+  if (oldLink.getAttribute('href') === href) {
+    return
+  }
+
+  let link = document.createElement('link')
   link.id = faviconId
   link.rel = 'shortcut icon'
   link.type = 'image/png'
   link.href = href
-  if (oldLink) {
-    document.head.removeChild(oldLink)
-  }
+  document.head.removeChild(oldLink)
   document.head.appendChild(link)
 }