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
function freezeInstance(T) {
  return new Proxy(T, {
    construct: function (target, argumentLists, newTarget) {
      var instance = new target(...argumentLists)
      Object.freeze(instance)
      return instance
    }
  })
}

class A {
  constructor() {
    this.name = 'a'
  }

  getName() {
    return this.name
  }
}
A = freezeInstance(A)

class B extends A {
  constructor() {
    super()
    this.name = 'b'
  }
}
B = freezeInstance(B)

var a = new A()
console.log(a.getName())
a.name = 'b'
console.log(a.getName())

var b = new B()
console.log(b.getName())
b.name = 'a'
console.log(b.getName())

## package.json
{
  "name": "esnextbin-sketch",
  "version": "0.0.0",
  "dependencies": {
    "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 _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

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

var _inherits3 = _interopRequireDefault(_inherits2);

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

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

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

var _createClass3 = _interopRequireDefault(_createClass2);

var _freeze = require('babel-runtime/core-js/object/freeze');

var _freeze2 = _interopRequireDefault(_freeze);

var _toConsumableArray2 = require('babel-runtime/helpers/toConsumableArray');

var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2);

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

function freezeInstance(T) {
  return new Proxy(T, {
    construct: function construct(target, argumentLists, newTarget) {
      var instance = new (Function.prototype.bind.apply(target, [null].concat((0, _toConsumableArray3.default)(argumentLists))))();
      (0, _freeze2.default)(instance);
      return instance;
    }
  });
}

var A = (function () {
  function A() {
    (0, _classCallCheck3.default)(this, A);

    this.name = 'a';
  }

  (0, _createClass3.default)(A, [{
    key: 'getName',
    value: function getName() {
      return this.name;
    }
  }]);
  return A;
})();

A = freezeInstance(A);

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

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

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

    _this.name = 'b';
    return _this;
  }

  return B;
})(A);

B = freezeInstance(B);

var a = new A();
console.log(a.getName());
a.name = 'b';
console.log(a.getName());

var b = new B();
console.log(b.getName());
b.name = 'a';
console.log(b.getName());
	<!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>
	function freezeInstance(T) {
	return new Proxy(T, {
	construct: function (target, argumentLists, newTarget) {
	var instance = new target(...argumentLists)
	Object.freeze(instance)
	return instance
	}
	})
	}

	class A {
	constructor() {
	this.name = 'a'
	}

	getName() {
	return this.name
	}
	}
	A = freezeInstance(A)

	class B extends A {
	constructor() {
	super()
	this.name = 'b'
	}
	}
	B = freezeInstance(B)

	var a = new A()
	console.log(a.getName())
	a.name = 'b'
	console.log(a.getName())

	var b = new B()
	console.log(b.getName())
	b.name = 'a'
	console.log(b.getName())
	{
	"name": "esnextbin-sketch",
	"version": "0.0.0",
	"dependencies": {
	"babel-runtime": "6.6.1"
	}
	}
	'use strict';

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

	var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

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

	var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

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

	var _inherits3 = _interopRequireDefault(_inherits2);

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

	var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

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

	var _createClass3 = _interopRequireDefault(_createClass2);

	var _freeze = require('babel-runtime/core-js/object/freeze');

	var _freeze2 = _interopRequireDefault(_freeze);

	var _toConsumableArray2 = require('babel-runtime/helpers/toConsumableArray');

	var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2);

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

	function freezeInstance(T) {
	return new Proxy(T, {
	construct: function construct(target, argumentLists, newTarget) {
	var instance = new (Function.prototype.bind.apply(target, [null].concat((0, _toConsumableArray3.default)(argumentLists))))();
	(0, _freeze2.default)(instance);
	return instance;
	}
	});
	}

	var A = (function () {
	function A() {
	(0, _classCallCheck3.default)(this, A);

	this.name = 'a';
	}

	(0, _createClass3.default)(A, [{
	key: 'getName',
	value: function getName() {
	return this.name;
	}
	}]);
	return A;
	})();

	A = freezeInstance(A);

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

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

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

	_this.name = 'b';
	return _this;
	}

	return B;
	})(A);

	B = freezeInstance(B);

	var a = new A();
	console.log(a.getName());
	a.name = 'b';
	console.log(a.getName());

	var b = new B();
	console.log(b.getName());
	b.name = 'a';
	console.log(b.getName());