From b5cb054b3976288785051b11b2a2ab6365fce32d Mon Sep 17 00:00:00 2001
From: Edvin Hultberg <hultberg@mittnett.net>
Date: Thu, 27 Jul 2017 15:58:50 +0200
Subject: [PATCH] Support Promise response in trySave

In Atom 1.19, TextBuffer.save returns a Promise. This commit adds
support to catch this and resolve our internal callbacks when promise
resolves.
---
 lib/ex.coffee | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/ex.coffee b/lib/ex.coffee
index e026b96..4b13d1a 100644
--- a/lib/ex.coffee
+++ b/lib/ex.coffee
@@ -17,8 +17,13 @@ trySave = (func) ->
   deferred = defer()
 
   try
-    func()
-    deferred.resolve()
+    response = func()
+    
+    if response instanceof Promise
+        response.then ->
+            deferred.resolve()
+    else
+        deferred.resolve()
   catch error
     if error.message.endsWith('is a directory')
       atom.notifications.addWarning("Unable to save file: #{error.message}")
@@ -252,7 +257,7 @@ class Ex
     @write(args)
 
   wq: (args) =>
-    @write(args).then => @quit()
+    @write(args).then(=> @quit())
 
   wa: =>
     @wall()