mauriciopoppe/esnextbin.md

## esnextbin.md

      
    Raw
  

              esnextbin.md
            
          
    made with esnextbin

  
## index.html
<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>ESNextbin Sketch</title>
  <!-- put additional styles and scripts here -->
</head>
<body>
  <!-- put markup and other contents here -->
</body>
</html>

## index.js
import React, {Component} from 'react'

class AbstractClass extends Component {
  constructor() {
    super()
    if (this.constructor === AbstractClass) {
      throw Error('Instantiation of abstract class AbstractMyClass is not allowed')
    }
  }

  getSuperName () {
    var proto = this.constructor.prototype
    return Object.getPrototypeOf(proto).constructor.name
  }
}

class A extends AbstractClass {}
class B extends A {}

console.log(new A())                  // works
console.log(new A().getSuperName())   // AbstractMyClass
console.log(new B().getSuperName())   // A

console.log(new AbstractMyClass())    // throws error

## package.json
{
  "name": "esnextbin-sketch",
  "version": "0.0.0",
  "dependencies": {
    "react": "15.0.1",
    "babel-runtime": "6.6.1"
  }
}

## transpiled.js
'use strict';

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var AbstractClass = (function (_Component) {
  (0, _inherits3.default)(AbstractClass, _Component);

  function AbstractClass() {
    (0, _classCallCheck3.default)(this, AbstractClass);

    var _this = (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(AbstractClass).call(this));

    if (_this.constructor === AbstractClass) {
      throw Error('Instantiation of abstract class AbstractMyClass is not allowed');
    }
    return _this;
  }

  (0, _createClass3.default)(AbstractClass, [{
    key: 'getSuperName',
    value: function getSuperName() {
      var proto = this.constructor.prototype;
      return (0, _getPrototypeOf2.default)(proto).constructor.name;
    }
  }]);
  return AbstractClass;
})(_react.Component);

var A = (function (_AbstractClass) {
  (0, _inherits3.default)(A, _AbstractClass);

  function A() {
    (0, _classCallCheck3.default)(this, A);
    return (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(A).apply(this, arguments));
  }

  return A;
})(AbstractClass);

var B = (function (_A) {
  (0, _inherits3.default)(B, _A);

  function B() {
    (0, _classCallCheck3.default)(this, B);
    return (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(B).apply(this, arguments));
  }

  return B;
})(A);

console.log(new A()); // works
console.log(new A().getSuperName()); // AbstractMyClass
console.log(new B().getSuperName()); // A

console.log(new AbstractMyClass()); // throws error
	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>ESNextbin Sketch</title>
	<!-- put additional styles and scripts here -->
	</head>
	<body>
	<!-- put markup and other contents here -->
	</body>
	</html>
	import React, {Component} from 'react'

	class AbstractClass extends Component {
	constructor() {
	super()
	if (this.constructor === AbstractClass) {
	throw Error('Instantiation of abstract class AbstractMyClass is not allowed')
	}
	}

	getSuperName () {
	var proto = this.constructor.prototype
	return Object.getPrototypeOf(proto).constructor.name
	}
	}

	class A extends AbstractClass {}
	class B extends A {}

	console.log(new A()) // works
	console.log(new A().getSuperName()) // AbstractMyClass
	console.log(new B().getSuperName()) // A

	console.log(new AbstractMyClass()) // throws error
	{
	"name": "esnextbin-sketch",
	"version": "0.0.0",
	"dependencies": {
	"react": "15.0.1",
	"babel-runtime": "6.6.1"
	}
	}
	'use strict';

	var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

	var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

	var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

	var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

	var _createClass2 = require('babel-runtime/helpers/createClass');

	var _createClass3 = _interopRequireDefault(_createClass2);

	var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

	var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

	var _inherits2 = require('babel-runtime/helpers/inherits');

	var _inherits3 = _interopRequireDefault(_inherits2);

	var _react = require('react');

	var _react2 = _interopRequireDefault(_react);

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

	var AbstractClass = (function (_Component) {
	(0, _inherits3.default)(AbstractClass, _Component);

	function AbstractClass() {
	(0, _classCallCheck3.default)(this, AbstractClass);

	var _this = (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(AbstractClass).call(this));

	if (_this.constructor === AbstractClass) {
	throw Error('Instantiation of abstract class AbstractMyClass is not allowed');
	}
	return _this;
	}

	(0, _createClass3.default)(AbstractClass, [{
	key: 'getSuperName',
	value: function getSuperName() {
	var proto = this.constructor.prototype;
	return (0, _getPrototypeOf2.default)(proto).constructor.name;
	}
	}]);
	return AbstractClass;
	})(_react.Component);

	var A = (function (_AbstractClass) {
	(0, _inherits3.default)(A, _AbstractClass);

	function A() {
	(0, _classCallCheck3.default)(this, A);
	return (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(A).apply(this, arguments));
	}

	return A;
	})(AbstractClass);

	var B = (function (_A) {
	(0, _inherits3.default)(B, _A);

	function B() {
	(0, _classCallCheck3.default)(this, B);
	return (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(B).apply(this, arguments));
	}

	return B;
	})(A);

	console.log(new A()); // works
	console.log(new A().getSuperName()); // AbstractMyClass
	console.log(new B().getSuperName()); // A

	console.log(new AbstractMyClass()); // throws error