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node_modules/es-abstract/5/IsAccessorDescriptor.js

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+'use strict';
+
+var has = require('has');
+
+var Type = require('./Type');
+
+var assertRecord = require('../helpers/assertRecord');
+
+// https://262.ecma-international.org/5.1/#sec-8.10.1
+
+module.exports = function IsAccessorDescriptor(Desc) {
+	if (typeof Desc === 'undefined') {
+		return false;
+	}
+
+	assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
+
+	if (!has(Desc, '[[Get]]') && !has(Desc, '[[Set]]')) {
+		return false;
+	}
+
+	return true;
+};