Current File : //proc/self/root/var/www/html/node_modules/es-abstract/2017/OrdinaryDefineOwnProperty.js
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $gOPD = require('../helpers/getOwnPropertyDescriptor');
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://ecma-international.org/ecma-262/6.0/#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);
};
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