index.js

/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

'use strict';

/* eslint-disable no-restricted-syntax */

var defineProperties = require( './../lib' );

function Person( name ) {
	if ( !(this instanceof Person) ) {
		return new Person( name );
	}
	defineProperties( this, {
		'name': {
			'value': name,
			'writable': false
		},
		'greeting': {
			'get': function greet() {
				return 'Hello '+this.name;
			}
		}
	});
	return this;
}

var person = new Person( 'Simon' );

try {
	person.name = 'Peter';
} catch ( err ) {
	console.log( err.message );
}

var greeting = person.greeting;
console.log( greeting );