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- '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 nonConfigurable = oldDesc && !oldDesc['[[Configurable]]'];
- if (nonConfigurable || !extensible) {
- return false;
- }
- return DefineOwnProperty(
- IsDataDescriptor,
- SameValue,
- FromPropertyDescriptor,
- O,
- P,
- {
- '[[Configurable]]': true,
- '[[Enumerable]]': true,
- '[[Value]]': V,
- '[[Writable]]': true
- }
- );
- };
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