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: / usr / share / nodejs / core-js / modules /

Filename : esnext.composite-key.js

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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);
  }
});