From 3f41c994b764820d688bb74f994d79bd471b9a47 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Tue, 22 Sep 2015 07:48:27 -0600
Subject: [PATCH] Throw exception when adding a pane item that has already been
 destroyed

Closes atom/bracket-matcher#178
---
 src/pane.coffee | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/pane.coffee b/src/pane.coffee
index 06ea88e47..9b9be1d79 100644
--- a/src/pane.coffee
+++ b/src/pane.coffee
@@ -355,6 +355,7 @@ class Pane extends Model
   # Returns the added item.
   addItem: (item, index=@getActiveItemIndex() + 1) ->
     throw new Error("Pane items must be objects. Attempted to add item #{item}.") unless item? and typeof item is 'object'
+    throw new Error("Adding a pane item with URI '#{item.getURI?()}' that has already been destroyed") if item.isDestroyed?()
 
     return if item in @items