From 6df14d5553c243e8fae6920a793978da5e84e5f8 Mon Sep 17 00:00:00 2001
From: Ben Gotow <bengotow@gmail.com>
Date: Wed, 28 Sep 2016 12:03:58 -0700
Subject: [PATCH] fix(composer): Dedupe registered key bindings to avoid double
 undo in composer

---
 src/keymap-manager.es6 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/keymap-manager.es6 b/src/keymap-manager.es6
index de7977de6..c1be7ccc8 100644
--- a/src/keymap-manager.es6
+++ b/src/keymap-manager.es6
@@ -181,7 +181,9 @@ export default class KeymapManager {
         if (!this._commandsCache[keystrokes]) {
           this._commandsCache[keystrokes] = [];
         }
-        this._commandsCache[keystrokes].push(command);
+        if (!this._commandsCache[keystrokes].includes(command)) {
+          this._commandsCache[keystrokes].push(command);
+        }
       }
     }