aboutsummaryrefslogtreecommitdiff
path: root/node_modules/core-js/modules/es6.regexp.constructor.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/core-js/modules/es6.regexp.constructor.js')
-rw-r--r--node_modules/core-js/modules/es6.regexp.constructor.js43
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');