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Direktori : /var/www/html/node_modules/es-abstract/2016/ |
Current File : /var/www/html/node_modules/es-abstract/2016/OrdinaryGetOwnProperty.js |
'use strict'; var GetIntrinsic = require('get-intrinsic'); var $gOPD = require('../helpers/getOwnPropertyDescriptor'); var $TypeError = GetIntrinsic('%TypeError%'); var callBound = require('call-bind/callBound'); var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable'); var has = require('has'); var IsArray = require('./IsArray'); var IsPropertyKey = require('./IsPropertyKey'); var IsRegExp = require('./IsRegExp'); var ToPropertyDescriptor = require('./ToPropertyDescriptor'); var Type = require('./Type'); // https://ecma-international.org/ecma-262/6.0/#sec-ordinarygetownproperty module.exports = function OrdinaryGetOwnProperty(O, P) { if (Type(O) !== 'Object') { throw new $TypeError('Assertion failed: O must be an Object'); } if (!IsPropertyKey(P)) { throw new $TypeError('Assertion failed: P must be a Property Key'); } if (!has(O, P)) { return void 0; } if (!$gOPD) { // ES3 / IE 8 fallback var arrayLength = IsArray(O) && P === 'length'; var regexLastIndex = IsRegExp(O) && P === 'lastIndex'; return { '[[Configurable]]': !(arrayLength || regexLastIndex), '[[Enumerable]]': $isEnumerable(O, P), '[[Value]]': O[P], '[[Writable]]': true }; } return ToPropertyDescriptor($gOPD(O, P)); };