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node_modules/es-abstract/2017/EnumerableOwnProperties.js
| 43 lines
| 1.1 KiB
| application/javascript
| JavascriptLexer
|
| r789 | 'use strict'; | |||
| var GetIntrinsic = require('../GetIntrinsic'); | ||||
| var $TypeError = GetIntrinsic('%TypeError%'); | ||||
| var objectKeys = require('object-keys'); | ||||
| var callBound = require('../helpers/callBound'); | ||||
| var callBind = require('../helpers/callBind'); | ||||
| var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable'); | ||||
| var $pushApply = callBind.apply(GetIntrinsic('%Array.prototype.push%')); | ||||
| var forEach = require('../helpers/forEach'); | ||||
| var Type = require('./Type'); | ||||
| // https://www.ecma-international.org/ecma-262/8.0/#sec-enumerableownproperties | ||||
| module.exports = function EnumerableOwnProperties(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); | ||||
| }; | ||||