1'use strict'; 2 3var ES5 = require('./es5'); 4var ES6 = require('./es6'); 5var ES2015 = require('./es2015'); 6 7if (Object.defineProperty) { 8 Object.defineProperty(ES2015, 'ES5', { enumerable: false, value: ES5 }); 9 Object.defineProperty(ES2015, 'ES6', { enumerable: false, value: ES6 }); 10 Object.defineProperty(ES2015, 'ES2015', { enumerable: false, value: ES2015 }); 11} else { 12 ES6.ES5 = ES5; 13 ES6.ES6 = ES6; 14 ES6.ES2015 = ES2015; 15} 16 17module.exports = ES2015; 18