Merge pull request #4057 from princejwesley/browser-window

Return null for no focused window when calling BrowserWindow.getFocusedWindow

atom/browser/api/lib/browser-window.coffee

@@ -66,6 +66,7 @@ BrowserWindow::_init = ->
 BrowserWindow.getFocusedWindow = ->
   windows = BrowserWindow.getAllWindows()
   return window for window in windows when window.isFocused()
+  null
 
 BrowserWindow.fromWebContents = (webContents) ->
   windows = BrowserWindow.getAllWindows()

docs/api/browser-window.md

@@ -289,7 +289,7 @@ Returns an array of all opened browser windows.
 
 ### `BrowserWindow.getFocusedWindow()`
 
-Returns the window that is focused in this application.
+Returns the window that is focused in this application, otherwise returns `null`.
 
 ### `BrowserWindow.fromWebContents(webContents)`