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codeql-action/node_modules/es-abstract/2017/OrdinaryDefineOwnProperty.js
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'use strict'; | |
var GetIntrinsic = require('get-intrinsic'); | |
var $gOPD = require('gopd'); | |
var $SyntaxError = GetIntrinsic('%SyntaxError%'); | |
var $TypeError = GetIntrinsic('%TypeError%'); | |
var isPropertyDescriptor = require('../helpers/isPropertyDescriptor'); | |
var IsAccessorDescriptor = require('./IsAccessorDescriptor'); | |
var IsDataDescriptor = require('./IsDataDescriptor'); | |
var IsExtensible = require('./IsExtensible'); | |
var IsPropertyKey = require('./IsPropertyKey'); | |
var ToPropertyDescriptor = require('./ToPropertyDescriptor'); | |
var SameValue = require('./SameValue'); | |
var Type = require('./Type'); | |
var ValidateAndApplyPropertyDescriptor = require('./ValidateAndApplyPropertyDescriptor'); | |
// https://262.ecma-international.org/6.0/#sec-ordinarydefineownproperty | |
module.exports = function OrdinaryDefineOwnProperty(O, P, Desc) { | |
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 (!isPropertyDescriptor({ | |
Type: Type, | |
IsDataDescriptor: IsDataDescriptor, | |
IsAccessorDescriptor: IsAccessorDescriptor | |
}, Desc)) { | |
throw new $TypeError('Assertion failed: Desc must be a Property Descriptor'); | |
} | |
if (!$gOPD) { | |
// ES3/IE 8 fallback | |
if (IsAccessorDescriptor(Desc)) { | |
throw new $SyntaxError('This environment does not support accessor property descriptors.'); | |
} | |
var creatingNormalDataProperty = !(P in O) | |
&& Desc['[[Writable]]'] | |
&& Desc['[[Enumerable]]'] | |
&& Desc['[[Configurable]]'] | |
&& '[[Value]]' in Desc; | |
var settingExistingDataProperty = (P in O) | |
&& (!('[[Configurable]]' in Desc) || Desc['[[Configurable]]']) | |
&& (!('[[Enumerable]]' in Desc) || Desc['[[Enumerable]]']) | |
&& (!('[[Writable]]' in Desc) || Desc['[[Writable]]']) | |
&& '[[Value]]' in Desc; | |
if (creatingNormalDataProperty || settingExistingDataProperty) { | |
O[P] = Desc['[[Value]]']; // eslint-disable-line no-param-reassign | |
return SameValue(O[P], Desc['[[Value]]']); | |
} | |
throw new $SyntaxError('This environment does not support defining non-writable, non-enumerable, or non-configurable properties'); | |
} | |
var desc = $gOPD(O, P); | |
var current = desc && ToPropertyDescriptor(desc); | |
var extensible = IsExtensible(O); | |
return ValidateAndApplyPropertyDescriptor(O, P, extensible, Desc, current); | |
}; |