From 24f5ba34c8ddc8627fb1cc6ce62e4eb3ecb1ad42 Mon Sep 17 00:00:00 2001
From: Kirill Shumilov <brusher.designer@gmail.com>
Date: Tue, 27 Jun 2017 20:52:42 +0300
Subject: [PATCH] fix(xod-client-electron): fix `loadTargetBoard` could return
 selected board (from settings) or Null

---
 packages/xod-client-electron/src/app/arduinoActions.js | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/packages/xod-client-electron/src/app/arduinoActions.js b/packages/xod-client-electron/src/app/arduinoActions.js
index 999d5a18a..d79da5870 100644
--- a/packages/xod-client-electron/src/app/arduinoActions.js
+++ b/packages/xod-client-electron/src/app/arduinoActions.js
@@ -41,16 +41,13 @@ export const getListOfBoards = R.compose(
 /**
  * Returns a target Board.
  * It tries to take a value from Settings, if it doesn't exist
- * it will fallback to the first Board from listOfBoards.
+ * it will just return Null
  */
-// :: () -> Board
+// :: () -> Nullable Board
 export const loadTargetBoard = () => R.compose(
   R.when(
     R.either(R.isNil, R.isEmpty),
-    R.compose(
-      R.head,
-      getListOfBoards
-    )
+    R.always(null)
   ),
   settings.getArduinoTarget,
   settings.load