Sha256: f403d18125833b976762c35628a6bad184bbc1585e1b1026fec493e0271a12a4
Contents?: true
Size: 1.19 KB
Versions: 243
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Stored size: 1.19 KB
Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $gOPD = require('gopd');
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://262.ecma-international.org/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));
};
Version data entries
243 entries across 27 versions & 2 rubygems