diff options
Diffstat (limited to 'node_modules/core-js/modules/es.regexp.constructor.js')
| -rw-r--r-- | node_modules/core-js/modules/es.regexp.constructor.js | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/node_modules/core-js/modules/es.regexp.constructor.js b/node_modules/core-js/modules/es.regexp.constructor.js deleted file mode 100644 index 25a3bd0..0000000 --- a/node_modules/core-js/modules/es.regexp.constructor.js +++ /dev/null @@ -1,84 +0,0 @@ -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'); |
