+++ /dev/null
-var DESCRIPTORS = require('../internals/descriptors');
-var global = require('../internals/global');
-var isForced = require('../internals/is-forced');
-var inheritIfRequired = require('../internals/inherit-if-required');
-var defineProperty = require('../internals/object-define-property').f;
-var getOwnPropertyNames = require('../internals/object-get-own-property-names').f;
-var isRegExp = require('../internals/is-regexp');
-var getFlags = require('../internals/regexp-flags');
-var stickyHelpers = require('../internals/regexp-sticky-helpers');
-var redefine = require('../internals/redefine');
-var fails = require('../internals/fails');
-var setInternalState = require('../internals/internal-state').set;
-var setSpecies = require('../internals/set-species');
-var wellKnownSymbol = require('../internals/well-known-symbol');
-
-var MATCH = wellKnownSymbol('match');
-var NativeRegExp = global.RegExp;
-var RegExpPrototype = NativeRegExp.prototype;
-var re1 = /a/g;
-var re2 = /a/g;
-
-// "new" should create a new object, old webkit bug
-var CORRECT_NEW = new NativeRegExp(re1) !== re1;
-
-var UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y;
-
-var FORCED = DESCRIPTORS && isForced('RegExp', (!CORRECT_NEW || UNSUPPORTED_Y || fails(function () {
- re2[MATCH] = false;
- // RegExp constructor can alter flags and IsRegExp works correct with @@match
- return NativeRegExp(re1) != re1 || NativeRegExp(re2) == re2 || NativeRegExp(re1, 'i') != '/a/i';
-})));
-
-// `RegExp` constructor
-// https://tc39.github.io/ecma262/#sec-regexp-constructor
-if (FORCED) {
- var RegExpWrapper = function RegExp(pattern, flags) {
- var thisIsRegExp = this instanceof RegExpWrapper;
- var patternIsRegExp = isRegExp(pattern);
- var flagsAreUndefined = flags === undefined;
- var sticky;
-
- if (!thisIsRegExp && patternIsRegExp && pattern.constructor === RegExpWrapper && flagsAreUndefined) {
- return pattern;
- }
-
- if (CORRECT_NEW) {
- if (patternIsRegExp && !flagsAreUndefined) pattern = pattern.source;
- } else if (pattern instanceof RegExpWrapper) {
- if (flagsAreUndefined) flags = getFlags.call(pattern);
- pattern = pattern.source;
- }
-
- if (UNSUPPORTED_Y) {
- sticky = !!flags && flags.indexOf('y') > -1;
- if (sticky) flags = flags.replace(/y/g, '');
- }
-
- var result = inheritIfRequired(
- CORRECT_NEW ? new NativeRegExp(pattern, flags) : NativeRegExp(pattern, flags),
- thisIsRegExp ? this : RegExpPrototype,
- RegExpWrapper
- );
-
- if (UNSUPPORTED_Y && sticky) setInternalState(result, { sticky: sticky });
-
- return result;
- };
- var proxy = function (key) {
- key in RegExpWrapper || defineProperty(RegExpWrapper, key, {
- configurable: true,
- get: function () { return NativeRegExp[key]; },
- set: function (it) { NativeRegExp[key] = it; }
- });
- };
- var keys = getOwnPropertyNames(NativeRegExp);
- var index = 0;
- while (keys.length > index) proxy(keys[index++]);
- RegExpPrototype.constructor = RegExpWrapper;
- RegExpWrapper.prototype = RegExpPrototype;
- redefine(global, 'RegExp', RegExpWrapper);
-}
-
-// https://tc39.github.io/ecma262/#sec-get-regexp-@@species
-setSpecies('RegExp');