Constnium/node_modules/es-abstract/2022/EnumerableOwnPropertyNames.js
2022-06-23 02:27:43 +02:00

43 lines
1.1 KiB
JavaScript

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