debian-mirror-gitlab/core-js/modules/esnext.composite-key.js

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2019-09-25 13:30:05 +05:30
var $ = require('../internals/export');
var getCompositeKeyNode = require('../internals/composite-key');
var getBuiltIn = require('../internals/get-built-in');
var create = require('../internals/object-create');
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 }, {
compositeKey: function compositeKey() {
return getCompositeKeyNode.apply(Object, arguments).get('object', initializer);
}
});