esnext.composite-key.js•685 B
'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);
}
});