SB-6.1-PRE

node_modules/es-abstract/2016/CompletePropertyDescriptor.js

@@ -0,0 +1,39 @@
+'use strict';
+
+var has = require('has');
+
+var assertRecord = require('../helpers/assertRecord');
+
+var IsDataDescriptor = require('./IsDataDescriptor');
+var IsGenericDescriptor = require('./IsGenericDescriptor');
+var Type = require('./Type');
+
+// https://ecma-international.org/ecma-262/6.0/#sec-completepropertydescriptor
+
+module.exports = function CompletePropertyDescriptor(Desc) {
+	/* eslint no-param-reassign: 0 */
+	assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
+
+	if (IsGenericDescriptor(Desc) || IsDataDescriptor(Desc)) {
+		if (!has(Desc, '[[Value]]')) {
+			Desc['[[Value]]'] = void 0;
+		}
+		if (!has(Desc, '[[Writable]]')) {
+			Desc['[[Writable]]'] = false;
+		}
+	} else {
+		if (!has(Desc, '[[Get]]')) {
+			Desc['[[Get]]'] = void 0;
+		}
+		if (!has(Desc, '[[Set]]')) {
+			Desc['[[Set]]'] = void 0;
+		}
+	}
+	if (!has(Desc, '[[Enumerable]]')) {
+		Desc['[[Enumerable]]'] = false;
+	}
+	if (!has(Desc, '[[Configurable]]')) {
+		Desc['[[Configurable]]'] = false;
+	}
+	return Desc;
+};