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- 'use strict';
- var $ = require('../internals/export');
- var apply = require('../internals/function-apply');
- var getCompositeKeyNode = require('../internals/composite-key');
- var getBuiltIn = require('../internals/get-built-in');
- var create = require('../internals/object-create');
-
- var $Object = Object;
-
- var initializer = function () {
- var freeze = getBuiltIn('Object', 'freeze');
- return freeze ? freeze(create(null)) : create(null);
- };
-
- // https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey
- $({ global: true, forced: true }, {
- compositeKey: function compositeKey() {
- return apply(getCompositeKeyNode, $Object, arguments).get('object', initializer);
- }
- });
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