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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/core-js/modules/es6.regexp.constructor.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/core-js/modules/es6.regexp.constructor.js')
| -rw-r--r-- | node_modules/core-js/modules/es6.regexp.constructor.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es6.regexp.constructor.js b/node_modules/core-js/modules/es6.regexp.constructor.js new file mode 100644 index 00000000..76247c32 --- /dev/null +++ b/node_modules/core-js/modules/es6.regexp.constructor.js @@ -0,0 +1,43 @@ +var global = require('./_global'); +var inheritIfRequired = require('./_inherit-if-required'); +var dP = require('./_object-dp').f; +var gOPN = require('./_object-gopn').f; +var isRegExp = require('./_is-regexp'); +var $flags = require('./_flags'); +var $RegExp = global.RegExp; +var Base = $RegExp; +var proto = $RegExp.prototype; +var re1 = /a/g; +var re2 = /a/g; +// "new" creates a new object, old webkit buggy here +var CORRECT_NEW = new $RegExp(re1) !== re1; + +if (require('./_descriptors') && (!CORRECT_NEW || require('./_fails')(function () { + re2[require('./_wks')('match')] = false; + // RegExp constructor can alter flags and IsRegExp works correct with @@match + return $RegExp(re1) != re1 || $RegExp(re2) == re2 || $RegExp(re1, 'i') != '/a/i'; +}))) { + $RegExp = function RegExp(p, f) { + var tiRE = this instanceof $RegExp; + var piRE = isRegExp(p); + var fiU = f === undefined; + return !tiRE && piRE && p.constructor === $RegExp && fiU ? p + : inheritIfRequired(CORRECT_NEW + ? new Base(piRE && !fiU ? p.source : p, f) + : Base((piRE = p instanceof $RegExp) ? p.source : p, piRE && fiU ? $flags.call(p) : f) + , tiRE ? this : proto, $RegExp); + }; + var proxy = function (key) { + key in $RegExp || dP($RegExp, key, { + configurable: true, + get: function () { return Base[key]; }, + set: function (it) { Base[key] = it; } + }); + }; + for (var keys = gOPN(Base), i = 0; keys.length > i;) proxy(keys[i++]); + proto.constructor = $RegExp; + $RegExp.prototype = proto; + require('./_redefine')(global, 'RegExp', $RegExp); +} + +require('./_set-species')('RegExp'); |
