new Babel vs TS Classes

Benchmark created by Jason Aden on April 12, 2017

Setup

var __extends = (this && this.__extends) || function (d, b) {
      for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
      function __() { this.constructor = d; }
      d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  };
  var BaseClass = (function () {
      function BaseClass(firstName, lastName) {
          this.firstName = firstName;
          this.lastName = lastName;
      }
      BaseClass.prototype.getFirstName = function () {
          return this.firstName;
      };
      BaseClass.prototype.getLastName = function () {
          return this.lastName;
      };
      return BaseClass;
  }());
  var Person = (function (_super) {
      __extends(Person, _super);
      function Person() {
          return _super.apply(this, arguments) || this;
      }
      Person.prototype.getFullName = function () {
          return this.firstName + ' ' + this.lastName;
      };
      return Person;
  }(BaseClass));
  
  'use strict';
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var BaseClass2 = function () {
    function BaseClass2(firstName, lastName) {
      _classCallCheck(this, BaseClass2);
  
      this.firstName = firstName;
      this.lastName = lastName;
    }
  
    _createClass(BaseClass2, [{
      key: 'getFirstName',
      value: function getFirstName() {
        return this.firstName;
      }
    }, {
      key: 'getLastName',
      value: function getLastName() {
        return this.lastName;
      }
    }]);
  
    return BaseClass2;
  }();
  
  var Person2 = function (_BaseClass) {
    _inherits(Person2, _BaseClass);
  
    function Person2() {
      _classCallCheck(this, Person2);
  
      return _possibleConstructorReturn(this, (Person2.__proto__ || Object.getPrototypeOf(Person2)).apply(this, arguments));
    }
  
    _createClass(Person2, [{
      key: 'getFullName',
      value: function getFullName() {
        return this.firstName + ' ' + this.lastName;
      }
    }]);
  
    return Person2;
  }(BaseClass2);

Test runner

new Person("a", "b");

new Person2("a", "b");

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published by Jason Aden on April 12, 2017