revert test of delegation to .exec().groups in .replace

Author: zloirock

packages/core-js/internals/regexp-sticky-helpers.js

@@ -1,4 +1,4 @@
-var fails = require('./fails');
+var fails = require('../internals/fails');
 
 // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError,
 var RE = function (s, f) {

packages/core-js/modules/es.string.replace.js

@@ -1,5 +1,6 @@
 'use strict';
 var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
+var fails = require('../internals/fails');
 var anObject = require('../internals/an-object');
 var toLength = require('../internals/to-length');
 var toInteger = require('../internals/to-integer');
@@ -8,7 +9,6 @@ var advanceStringIndex = require('../internals/advance-string-index');
 var getSubstitution = require('../internals/get-substitution');
 var regExpExec = require('../internals/regexp-exec-abstract');
 var wellKnownSymbol = require('../internals/well-known-symbol');
-var UNSUPPORTED_NCG = require('../internals/regexp-unsupported-ncg');
 
 var REPLACE = wellKnownSymbol('replace');
 var max = Math.max;
@@ -33,6 +33,16 @@ var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = (function () {
   return false;
 })();
 
+var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
+  var re = /./;
+  re.exec = function () {
+    var result = [];
+    result.groups = { a: '7' };
+    return result;
+  };
+  return ''.replace(re, '$<a>') !== '7';
+});
+
 // @@replace logic
 fixRegExpWellKnownSymbolLogic('replace', function (_, nativeReplace, maybeCallNative) {
   var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';
@@ -112,4 +122,4 @@ fixRegExpWellKnownSymbolLogic('replace', function (_, nativeReplace, maybeCallNa
       return accumulatedResult + S.slice(nextSourcePosition);
     }
   ];
-}, UNSUPPORTED_NCG || !REPLACE_KEEPS_$0 || REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE);
+}, !REPLACE_SUPPORTS_NAMED_GROUPS || !REPLACE_KEEPS_$0 || REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE);

tests/compat/tests.js

@@ -899,7 +899,7 @@ GLOBAL.tests = {
   'es.string.repeat': function () {
     return String.prototype.repeat;
   },
-  'es.string.replace': [NCG_SUPPORT, function () {
+  'es.string.replace': function () {
     var O = {};
     O[Symbol.replace] = function () { return 7; };
 
@@ -908,12 +908,20 @@ GLOBAL.tests = {
     re.exec = function () { execCalled = true; return null; };
     re[Symbol.replace]('');
 
+    var re2 = /./;
+    re2.exec = function () {
+      var result = [];
+      result.groups = { a: '7' };
+      return result;
+    };
+
     return ''.replace(O) == 7
       && execCalled
+      && ''.replace(re2, '$<a>') === '7'
       // eslint-disable-next-line regexp/prefer-escape-replacement-dollar-char -- required for testing
       && 'a'.replace(/./, '$0') === '$0'
       && /./[Symbol.replace]('a', '$0') === '$0';
-  }],
+  },
   'es.string.replace-all': function () {
     return String.prototype.replaceAll;
   },