From df5d28d0fa66dc91feae4b16da0ef36f7f6797b5 Mon Sep 17 00:00:00 2001
From: bekzod <bekzod@me.com>
Date: Tue, 3 Oct 2017 15:05:19 +0500
Subject: [PATCH] move accessing meta out of the loop

---
 packages/ember-runtime/lib/mixins/array.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/packages/ember-runtime/lib/mixins/array.js b/packages/ember-runtime/lib/mixins/array.js
index 6c283d198ad..1d6e50310cc 100644
--- a/packages/ember-runtime/lib/mixins/array.js
+++ b/packages/ember-runtime/lib/mixins/array.js
@@ -655,9 +655,8 @@ EachProxy.prototype = {
   arrayWillChange(content, idx, removedCnt, addedCnt) {
     let keys = this._keys;
     let lim = removedCnt > 0 ? idx + removedCnt : -1;
-    let meta;
+    let meta = peekMeta(this);
     for (let key in keys) {
-      meta = meta === undefined ? peekMeta(this) : meta;
       if (lim > 0) {
         removeObserverForContentKey(content, key, this, idx, lim);
       }
@@ -668,9 +667,8 @@ EachProxy.prototype = {
   arrayDidChange(content, idx, removedCnt, addedCnt) {
     let keys = this._keys;
     let lim = addedCnt > 0 ? idx + addedCnt : -1;
-    let meta;
+    let meta = peekMeta(this);
     for (let key in keys) {
-      meta = meta === undefined ? peekMeta(this) : meta;
       if (lim > 0) {
         addObserverForContentKey(content, key, this, idx, lim);
       }