From f3a8e55e70ecf7bfa88361d48b48f5172957555e Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Fri, 3 Feb 2017 22:49:18 -0800
Subject: [PATCH] Use built-in String#trim methods when possible.

---
 trim.js      | 5 ++---
 trimEnd.js   | 7 ++++---
 trimStart.js | 6 +++---
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/trim.js b/trim.js
index 7ddd21181..a1a64f0c1 100644
--- a/trim.js
+++ b/trim.js
@@ -5,8 +5,7 @@ import charsStartIndex from './.internal/charsStartIndex.js';
 import stringToArray from './.internal/stringToArray.js';
 import toString from './toString.js';
 
-/** Used to match leading and trailing whitespace. */
-const reTrim = /^\s+|\s+$/g;
+const nativeTrim = String.prototype.trim;
 
 /**
  * Removes leading and trailing whitespace or specified characters from `string`.
@@ -32,7 +31,7 @@ const reTrim = /^\s+|\s+$/g;
 function trim(string, chars, guard) {
   string = toString(string);
   if (string && (guard || chars === undefined)) {
-    return string.replace(reTrim, '');
+    return nativeTrim.call(string);
   }
   if (!string || !(chars = baseToString(chars))) {
     return string;
diff --git a/trimEnd.js b/trimEnd.js
index f12f6351d..7020414e5 100644
--- a/trimEnd.js
+++ b/trimEnd.js
@@ -4,8 +4,9 @@ import charsEndIndex from './.internal/charsEndIndex.js';
 import stringToArray from './.internal/stringToArray.js';
 import toString from './toString.js';
 
-/** Used to match leading and trailing whitespace. */
-const reTrimEnd = /\s+$/;
+const stringProto = String.prototype;
+const nativeTrimEnd = stringProto.trimRight || stringProto.trimEnd;
+
 
 /**
  * Removes trailing whitespace or specified characters from `string`.
@@ -28,7 +29,7 @@ const reTrimEnd = /\s+$/;
 function trimEnd(string, chars, guard) {
   string = toString(string);
   if (string && (guard || chars === undefined)) {
-    return string.replace(reTrimEnd, '');
+    return nativeTrimEnd.call(string);
   }
   if (!string || !(chars = baseToString(chars))) {
     return string;
diff --git a/trimStart.js b/trimStart.js
index 9b384958a..96947ccc8 100644
--- a/trimStart.js
+++ b/trimStart.js
@@ -4,8 +4,8 @@ import charsStartIndex from './.internal/charsStartIndex.js';
 import stringToArray from './.internal/stringToArray.js';
 import toString from './toString.js';
 
-/** Used to match leading and trailing whitespace. */
-const reTrimStart = /^\s+/;
+const stringProto = String.prototype;
+const nativeTrimStart = stringProto.trimLeft || stringProto.trimStart;
 
 /**
  * Removes leading whitespace or specified characters from `string`.
@@ -28,7 +28,7 @@ const reTrimStart = /^\s+/;
 function trimStart(string, chars, guard) {
   string = toString(string);
   if (string && (guard || chars === undefined)) {
-    return string.replace(reTrimStart, '');
+    return nativeTrimStart.call(string);
   }
   if (!string || !(chars = baseToString(chars))) {
     return string;