project bootstrap

2023-11-25 18:12:47 -05:00
parent 5cd875ae80
commit 6ef22d88f9
39139 changed files with 4944609 additions and 2 deletions
@@ -0,0 +1,23 @@
+'use strict';
+
+var hasOwn = require('hasown');
+
+var Type = require('./Type');
+
+var assertRecord = require('../helpers/assertRecord');
+
+// https://262.ecma-international.org/5.1/#sec-8.10.2
+
+module.exports = function IsDataDescriptor(Desc) {
+	if (typeof Desc === 'undefined') {
+		return false;
+	}
+
+	assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
+
+	if (!hasOwn(Desc, '[[Value]]') && !hasOwn(Desc, '[[Writable]]')) {
+		return false;
+	}
+
+	return true;
+};