Current File : /var/www/html/node_modules/es-abstract/2019/CreateDataProperty.js
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var DefineOwnProperty = require('../helpers/DefineOwnProperty');
var FromPropertyDescriptor = require('./FromPropertyDescriptor');
var OrdinaryGetOwnProperty = require('./OrdinaryGetOwnProperty');
var IsDataDescriptor = require('./IsDataDescriptor');
var IsExtensible = require('./IsExtensible');
var IsPropertyKey = require('./IsPropertyKey');
var SameValue = require('./SameValue');
var Type = require('./Type');
// https://ecma-international.org/ecma-262/6.0/#sec-createdataproperty
module.exports = function CreateDataProperty(O, P, V) {
if (Type(O) !== 'Object') {
throw new $TypeError('Assertion failed: Type(O) is not Object');
}
if (!IsPropertyKey(P)) {
throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
}
var oldDesc = OrdinaryGetOwnProperty(O, P);
var extensible = !oldDesc || IsExtensible(O);
var immutable = oldDesc && (!oldDesc['[[Writable]]'] || !oldDesc['[[Configurable]]']);
if (immutable || !extensible) {
return false;
}
return DefineOwnProperty(
IsDataDescriptor,
SameValue,
FromPropertyDescriptor,
O,
P,
{
'[[Configurable]]': true,
'[[Enumerable]]': true,
'[[Value]]': V,
'[[Writable]]': true
}
);
};
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