var DESCRIPTORS = require('../internals/descriptors'); var definePropertyModule = require('../internals/object-define-property'); var anObject = require('../internals/an-object'); var objectKeys = require('../internals/object-keys'); // `Object.defineProperties` method // https://tc39.es/ecma262/#sec-object.defineproperties // eslint-disable-next-line es/no-object-defineproperties -- safe module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) { anObject(O); var keys = objectKeys(Properties); var length = keys.length; var index = 0; var key; while (length > index) definePropertyModule.f(O, key = keys[index++], Properties[key]); return O; };