1 files changed, 77 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-iterator/node_modules/es6-symbol/polyfill.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-iterator/node_modules/es6-symbol/polyfill.js
new file mode 100644
index 0000000000..735eb676b2
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-iterator/node_modules/es6-symbol/polyfill.js
@@ -0,0 +1,77 @@
+'use strict';
+
+var d              = require('d')
+  , validateSymbol = require('./validate-symbol')
+
+  , create = Object.create, defineProperties = Object.defineProperties
+  , defineProperty = Object.defineProperty, objPrototype = Object.prototype
+  , Symbol, HiddenSymbol, globalSymbols = create(null);
+
+var generateName = (function () {
+	var created = create(null);
+	return function (desc) {
+		var postfix = 0, name;
+		while (created[desc + (postfix || '')]) ++postfix;
+		desc += (postfix || '');
+		created[desc] = true;
+		name = '@@' + desc;
+		defineProperty(objPrototype, name, d.gs(null, function (value) {
+			defineProperty(this, name, d(value));
+		}));
+		return name;
+	};
+}());
+
+HiddenSymbol = function Symbol(description) {
+	if (this instanceof HiddenSymbol) throw new TypeError('TypeError: Symbol is not a constructor');
+	return Symbol(description);
+};
+module.exports = Symbol = function Symbol(description) {
+	var symbol;
+	if (this instanceof Symbol) throw new TypeError('TypeError: Symbol is not a constructor');
+	symbol = create(HiddenSymbol.prototype);
+	description = (description === undefined ? '' : String(description));
+	return defineProperties(symbol, {
+		__description__: d('', description),
+		__name__: d('', generateName(description))
+	});
+};
+defineProperties(Symbol, {
+	for: d(function (key) {
+		if (globalSymbols[key]) return globalSymbols[key];
+		return (globalSymbols[key] = Symbol(String(key)));
+	}),
+	keyFor: d(function (s) {
+		var key;
+		validateSymbol(s);
+		for (key in globalSymbols) if (globalSymbols[key] === s) return key;
+	}),
+	hasInstance: d('', Symbol('hasInstance')),
+	isConcatSpreadable: d('', Symbol('isConcatSpreadable')),
+	iterator: d('', Symbol('iterator')),
+	match: d('', Symbol('match')),
+	replace: d('', Symbol('replace')),
+	search: d('', Symbol('search')),
+	species: d('', Symbol('species')),
+	split: d('', Symbol('split')),
+	toPrimitive: d('', Symbol('toPrimitive')),
+	toStringTag: d('', Symbol('toStringTag')),
+	unscopables: d('', Symbol('unscopables'))
+});
+defineProperties(HiddenSymbol.prototype, {
+	constructor: d(Symbol),
+	toString: d('', function () { return this.__name__; })
+});
+
+defineProperties(Symbol.prototype, {
+	toString: d(function () { return 'Symbol (' + validateSymbol(this).__description__ + ')'; }),
+	valueOf: d(function () { return validateSymbol(this); })
+});
+defineProperty(Symbol.prototype, Symbol.toPrimitive, d('',
+	function () { return validateSymbol(this); }));
+defineProperty(Symbol.prototype, Symbol.toStringTag, d('c', 'Symbol'));
+
+defineProperty(HiddenSymbol.prototype, Symbol.toPrimitive,
+	d('c', Symbol.prototype[Symbol.toPrimitive]));
+defineProperty(HiddenSymbol.prototype, Symbol.toStringTag,
+	d('c', Symbol.prototype[Symbol.toStringTag]));