From a3030112374fef8c2e0712199dfe9894491fea69 Mon Sep 17 00:00:00 2001
From: Francis Lachapelle <flachapelle@inverse.ca>
Date: Mon, 9 Dec 2019 12:34:48 -0500
Subject: [PATCH] fix(mail(js)): avoid exception when adding duplicated
 recipient

---
 UI/WebServerResources/js/Mailer/MessageEditorController.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/UI/WebServerResources/js/Mailer/MessageEditorController.js b/UI/WebServerResources/js/Mailer/MessageEditorController.js
index 9764cc438..f6fa6330a 100644
--- a/UI/WebServerResources/js/Mailer/MessageEditorController.js
+++ b/UI/WebServerResources/js/Mailer/MessageEditorController.js
@@ -355,7 +355,9 @@
       i = recipients.indexOf(contact);
       recipients.splice(i, 1);
       for (j = 0; j < contact.members.length; j++) {
-        recipients.splice(i + j, 0, contact.members[j].$shortFormat());
+        var recipient = contact.members[j].$shortFormat();
+        if (recipients.indexOf(recipient) < 0)
+          recipients.splice(i + j, 0, contact.members[j].$shortFormat());
       }
     };