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'use strict';

var GetIntrinsic = require('get-intrinsic');

var $TypeError = GetIntrinsic('%TypeError%');

var keys = require('object-keys');

var Type = require('./Type');

// https://ecma-international.org/ecma-262/6.0/#sec-enumerableownnames

module.exports = function EnumerableOwnNames(O) {
	if (Type(O) !== 'Object') {
		throw new $TypeError('Assertion failed: Type(O) is not Object');
	}

	return keys(O);
};