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Object.create のショートカット的なやつ

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Object.create 第2引数のハッシュ書くのたるい

function createObject (org, options) {
    return (typeof org === 'undefined' || org === null) ?
        null :
        Object.create(org, Object.keys(options || {}).reduce(function (def, key) {
            def[key] = { value: options[key], enumerable: true };
            return def;
        }, {}));
}

でも、これだと writableconfigurable が false のまま。もう少し手を加えたい。

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