vue hello world项目
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var $ = require('../internals/export');
var global = require('../internals/global');
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 = global.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);
}
});