Rewriting Project

1 files changed, 84 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/es.regexp.constructor.js b/node_modules/core-js/modules/es.regexp.constructor.js
new file mode 100644
index 0000000..25a3bd0
--- /dev/null
+++ b/node_modules/core-js/modules/es.regexp.constructor.js
@@ -0,0 +1,84 @@
+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');