From 17d95ea1f0be2204cc040b8b0a9d1144f28baaab Mon Sep 17 00:00:00 2001
From: Ruben Bridgewater <ruben@bridgewater.de>
Date: Mon, 7 May 2018 03:53:02 +0200
Subject: assert,util: lazy load comparison functions

PR-URL: https://github.com/nodejs/node/pull/20567
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
---
 lib/util.js | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'lib/util.js')

diff --git a/lib/util.js b/lib/util.js
index 45d98de194..bd7a98694b 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -64,10 +64,6 @@ const {
   isTypedArray
 } = types;
 
-const {
-  isDeepStrictEqual
-} = require('internal/util/comparisons');
-
 const {
   customInspectSymbol,
   deprecate,
@@ -95,6 +91,7 @@ const dateToISOString = Date.prototype.toISOString;
 const errorToString = Error.prototype.toString;
 
 let CIRCULAR_ERROR_MESSAGE;
+let internalDeepEqual;
 
 /* eslint-disable */
 const strEscapeSequencesRegExp = /[\x00-\x1f\x27\x5c]/;
@@ -1261,7 +1258,13 @@ module.exports = exports = {
   isArray: Array.isArray,
   isBoolean,
   isBuffer,
-  isDeepStrictEqual,
+  isDeepStrictEqual(a, b) {
+    if (internalDeepEqual === undefined) {
+      internalDeepEqual = require('internal/util/comparisons')
+        .isDeepStrictEqual;
+    }
+    return internalDeepEqual(a, b);
+  },
   isNull,
   isNullOrUndefined,
   isNumber,
-- 
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