From: Iskren Chernev <iskren.chernev@gmail.com>
Date: Mon, 22 May 2017 11:20:26 +0000 (+0300)
Subject: Address some review comments
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fheads%2Fimmutability;p=thirdparty%2Fmoment.git

Address some review comments

I added moment.isImmutable and fixed unnecessary cloning.
---

diff --git a/src/lib/units/offset.js b/src/lib/units/offset.js
index e29f2cae4..03d3bd8e7 100644
--- a/src/lib/units/offset.js
+++ b/src/lib/units/offset.js
@@ -203,8 +203,8 @@ export function hasAlignedHourOffset (input) {
 
 export function isDaylightSavingTime () {
     return (
-        this.utcOffset() > new Moment(this).month(0).utcOffset() ||
-        this.utcOffset() > new Moment(this).month(5).utcOffset()
+        this.utcOffset() > this.month(0).utcOffset() ||
+        this.utcOffset() > this.month(5).utcOffset()
     );
 }
 
diff --git a/src/moment.js b/src/moment.js
index d810e2a6a..feb8cedd7 100644
--- a/src/moment.js
+++ b/src/moment.js
@@ -7,6 +7,7 @@
 import { hooks as moment, setHookCallback } from './lib/utils/hooks';
 
 moment.version = '2.18.1';
+moment.isImmutable = true;
 
 import {
     min,