add feature detection to RegExp.escape

zloirock · Jul 31, 2024 · 19b1a68 · 19b1a68
1 parent be09853
commit 19b1a68
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/packages/core-js/modules/esnext.regexp.escape.js b/packages/core-js/modules/esnext.regexp.escape.js
@@ -7,6 +7,7 @@ var padStart = require('../internals/string-pad').start;
 var WHITESPACES = require('../internals/whitespaces');
 
 var $Array = Array;
+var $escape = RegExp.escape;
 var charAt = uncurryThis(''.charAt);
 var charCodeAt = uncurryThis(''.charCodeAt);
 var numberToString = uncurryThis(1.1.toString);
@@ -29,9 +30,12 @@ var escapeChar = function (chr) {
   return hex.length < 3 ? '\\x' + padStart(hex, 2, '0') : '\\u' + padStart(hex, 4, '0');
 };
 
+// Avoiding the use of polyfills of the previous iteration of this proposal
+var FORCED = !!$escape && $escape('ab') !== '\\x61b';
+
 // `RegExp.escape` method
 // https://github.com/tc39/proposal-regex-escaping
-$({ target: 'RegExp', stat: true }, {
+$({ target: 'RegExp', stat: true, forced: FORCED }, {
   escape: function escape(S) {
     aString(S);
     var length = S.length;

diff --git a/tests/compat/tests.js b/tests/compat/tests.js
@@ -1777,7 +1777,7 @@ GLOBAL.tests = {
     return Promise['try'];
   }],
   'esnext.regexp.escape': function () {
-    return RegExp.escape;
+    return RegExp.escape('ab') === '\\x61b';
   },
   'esnext.set.add-all': function () {
     return Set.prototype.addAll;