From 3b604bb13d209eb33e4985ce2224d2109ee7546e Mon Sep 17 00:00:00 2001
From: Ken Powers <ken@signal.org>
Date: Fri, 13 Dec 2019 17:55:41 -0800
Subject: [PATCH] Composition Input: If string is `:` alone, do not recurse

---
 ts/components/CompositionInput.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ts/components/CompositionInput.tsx b/ts/components/CompositionInput.tsx
index 9eb402c41..b30721b98 100644
--- a/ts/components/CompositionInput.tsx
+++ b/ts/components/CompositionInput.tsx
@@ -140,7 +140,7 @@ function getWordAtIndex(
 
   const word = str.slice(start, end);
 
-  if (word === ':') {
+  if (word === ':' && str.length > 1) {
     return getWordAtIndex(str, index + 1);
   }