16 lines
647 B
JavaScript
16 lines
647 B
JavaScript
var DESCRIPTORS = require('../internals/descriptors');
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var definePropertyModule = require('../internals/object-define-property');
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var anObject = require('../internals/an-object');
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var objectKeys = require('../internals/object-keys');
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// `Object.defineProperties` method
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// https://tc39.github.io/ecma262/#sec-object.defineproperties
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module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
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anObject(O);
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var keys = objectKeys(Properties);
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var length = keys.length;
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var index = 0;
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var key;
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while (length > index) definePropertyModule.f(O, key = keys[index++], Properties[key]);
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return O;
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};
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