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- 'use strict';
- var $TypeError = require('es-errors/type');
- var objectKeys = require('object-keys');
- var safePushApply = require('safe-push-apply');
- var callBound = require('call-bound');
- var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
- var forEach = require('../helpers/forEach');
- var isObject = require('../helpers/isObject');
- // https://262.ecma-international.org/8.0/#sec-enumerableownproperties
- module.exports = function EnumerableOwnPropertyNames(O, kind) {
- if (!isObject(O)) {
- throw new $TypeError('Assertion failed: Type(O) is not Object');
- }
- var keys = objectKeys(O);
- if (kind === 'key') {
- return keys;
- }
- if (kind === 'value' || kind === 'key+value') {
- var results = [];
- forEach(keys, function (key) {
- if ($isEnumerable(O, key)) {
- safePushApply(results, [
- kind === 'value' ? O[key] : [key, O[key]]
- ]);
- }
- });
- return results;
- }
- throw new $TypeError('Assertion failed: "kind" is not "key", "value", or "key+value": ' + kind);
- };
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