From ed3c82e8c3c435f682b2936fa3c7d1070aaf7b5d Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Thu, 10 Sep 2020 18:54:06 -0400
Subject: [PATCH] Use `null`, not `"null"`, if `sessionID` cookie doesn't exist

`decodeURIComponent(null)` returns the string `'null'`, which we don't
want.
---
 src/static/js/pad.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/static/js/pad.js b/src/static/js/pad.js
index cfc58f18e..2e774a38a 100644
--- a/src/static/js/pad.js
+++ b/src/static/js/pad.js
@@ -156,7 +156,8 @@ function sendClientReady(isReconnect, messageType)
     createCookie("token", token, 60);
   }
 
-  var sessionID = decodeURIComponent(readCookie("sessionID"));
+  var encodedSessionID = readCookie('sessionID');
+  var sessionID = encodedSessionID == null ? null : decodeURIComponent(encodedSessionID);
   var password = readCookie("password");
 
   var msg = {