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node_modules/es-abstract/5/IsGenericDescriptor.js

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+'use strict';
+
+var IsAccessorDescriptor = require('./IsAccessorDescriptor');
+var IsDataDescriptor = require('./IsDataDescriptor');
+var Type = require('./Type');
+
+var assertRecord = require('../helpers/assertRecord');
+
+// https://ecma-international.org/ecma-262/5.1/#sec-8.10.3
+
+module.exports = function IsGenericDescriptor(Desc) {
+	if (typeof Desc === 'undefined') {
+		return false;
+	}
+
+	assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
+
+	if (!IsAccessorDescriptor(Desc) && !IsDataDescriptor(Desc)) {
+		return true;
+	}
+
+	return false;
+};