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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
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diff --git a/node_modules/es-abstract/2015/CreateDataProperty.js b/node_modules/es-abstract/2015/CreateDataProperty.js
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+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+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://www.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
+ }
+ );
+};