From c449d0318fdaed37a13765444a73ddbb53d53a02 Mon Sep 17 00:00:00 2001
From: jahorton <jahorton@sil.org>
Date: Tue, 9 Feb 2021 08:20:09 +0700
Subject: [PATCH] fix(common/models): logic check - deleteRight may be
 undefined

---
 common/predictive-text/worker/correction/context-tracker.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/predictive-text/worker/correction/context-tracker.ts b/common/predictive-text/worker/correction/context-tracker.ts
index 465620733b..f69d08004d 100644
--- a/common/predictive-text/worker/correction/context-tracker.ts
+++ b/common/predictive-text/worker/correction/context-tracker.ts
@@ -352,7 +352,7 @@ namespace correction {
 
       const hasDistribution = transformDistribution && Array.isArray(transformDistribution);
       let primaryInput = hasDistribution ? transformDistribution[0].sample : null;
-      if(primaryInput && primaryInput.insert == "" && primaryInput.deleteLeft == 0 && primaryInput.deleteRight == 0) {
+      if(primaryInput && primaryInput.insert == "" && primaryInput.deleteLeft == 0 && !primaryInput.deleteRight) {
         primaryInput = null;
       }
       const isBackspace = primaryInput && primaryInput.insert == "" && primaryInput.deleteLeft > 0;