From 5b22d157a7871440b4fcc593313aada12b852faa Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Fri, 26 Oct 2018 20:34:06 -0600
Subject: [PATCH] Fix candidate server encoding

---
 src/matrix-to.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/matrix-to.js b/src/matrix-to.js
index c0b57e725d..b5827f671a 100644
--- a/src/matrix-to.js
+++ b/src/matrix-to.js
@@ -29,6 +29,7 @@ export function makeEventPermalink(roomId, eventId) {
     // If the roomId isn't actually a room ID, don't try to list the servers.
     // Aliases are already routable, and don't need extra information.
     if (roomId[0] !== '!') return permalinkBase;
+
     const serverCandidates = pickServerCandidates(roomId);
     return `${permalinkBase}${encodeServerCandidates(serverCandidates)}`;
 }
@@ -53,7 +54,7 @@ export function makeGroupPermalink(groupId) {
 }
 
 export function encodeServerCandidates(candidates) {
-    if (!candidates) return '';
+    if (!candidates || candidates.length === 0) return '';
     return `?via=${candidates.map(c => encodeURIComponent(c)).join("&via=")}`;
 }