pjcras/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
<script src="https://fb.me/react-15.1.0.js"></script>
<script src="https://fb.me/react-dom-15.1.0.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.7.2/redux.min.js"></script>
<script src="https://wzrd.in/standalone/expect@latest"></script>
<script src="https://wzrd.in/standalone/deep-freeze@latest"></script>
  <div id='root'></div>
<script id="jsbin-javascript">
'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }

var todos = function todos(state, action) {
  if (state === undefined) state = [];

  switch (action.type) {
    case 'ADD_TODO':
      return [].concat(_toConsumableArray(state), [{
        id: action.id,
        text: action.text,
        completed: false
      }]);
    case 'TOGGLE_TODO':
      return state.map(function (todo) {
        if (todo.id !== action.id) {
          return todo;
        }

        return _extends({}, todo, {
          completed: !todo.completed
        });
      });

    default:
      return state;
  }
};

//test one
var testAddTodo = function testAddTodo() {

  var stateBefore = [];

  var action = {
    type: 'ADD_TODO',
    id: 0,
    text: 'learn redux'
  };

  deepFreeze(stateBefore);
  deepFreeze(action);

  var stateAfter = [{
    id: 0,
    text: 'learn redux',
    completed: false
  }];

  expect(todos(stateBefore, action)).toEqual(stateAfter);
};

//test 2
var testToggleTodo = function testToggleTodo() {
  var stateBefore = [{
    id: 0,
    text: 'learn redux',
    completed: false
  }, {
    id: 1,
    text: 'go shopping',
    completed: false
  }];

  var action = {
    type: 'TOGGLE_TODO',
    id: 1
  };

  var stateAfter = [{
    id: 0,
    text: 'learn redux',
    completed: false
  }, {
    id: 1,
    text: 'go shopping',
    completed: true
  }];

  deepFreeze(stateBefore);
  deepFreeze(action);
  expect(todos(stateBefore, action)).toEqual(stateAfter);
};

testAddTodo();
testToggleTodo();
console.log('all test passed');
</script>


<script id="jsbin-source-javascript" type="text/javascript">const todos = (state =[], action)=>{

  switch (action.type){
    case 'ADD_TODO':
      return [
        ...state,
        {
          id: action.id,
          text: action.text,
          completed : false
        }
      ];
    case 'TOGGLE_TODO':
      return state.map(todo =>{
        if(todo.id !== action.id) {
          return todo;
        }

        return {
          ...todo,
          completed: !todo.completed
        };
      });

    default:
      return state;
  }
};

//test one
const testAddTodo = () =>{

  const stateBefore = [];

  const action = {
   type : 'ADD_TODO',
   id: 0,
   text : 'learn redux'
 };

 deepFreeze(stateBefore);
 deepFreeze(action);

 const stateAfter = [{
   id: 0,
   text: 'learn redux',
   completed: false
 }];

  expect(todos(stateBefore,action)).toEqual(stateAfter);
};

//test 2
const testToggleTodo = ()=>{
  const stateBefore = [{
           id: 0,
           text: 'learn redux',
           completed: false
        },
        {
           id: 1,
           text: 'go shopping',
           completed: false
        }
   ];

  const action = {
    type : 'TOGGLE_TODO',
    id : 1
  };

  const stateAfter = [{
           id: 0,
           text: 'learn redux',
           completed: false
        },
        {
           id: 1,
           text: 'go shopping',
           completed: true
        }
   ];

   deepFreeze(stateBefore);
   deepFreeze(action);
   expect(todos(stateBefore,action)).toEqual(stateAfter);

}

testAddTodo()
testToggleTodo()
console.log('all test passed')</script></body>
</html>

## jsbin.yevojay.js
'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }

var todos = function todos(state, action) {
  if (state === undefined) state = [];

  switch (action.type) {
    case 'ADD_TODO':
      return [].concat(_toConsumableArray(state), [{
        id: action.id,
        text: action.text,
        completed: false
      }]);
    case 'TOGGLE_TODO':
      return state.map(function (todo) {
        if (todo.id !== action.id) {
          return todo;
        }

        return _extends({}, todo, {
          completed: !todo.completed
        });
      });

    default:
      return state;
  }
};

//test one
var testAddTodo = function testAddTodo() {

  var stateBefore = [];

  var action = {
    type: 'ADD_TODO',
    id: 0,
    text: 'learn redux'
  };

  deepFreeze(stateBefore);
  deepFreeze(action);

  var stateAfter = [{
    id: 0,
    text: 'learn redux',
    completed: false
  }];

  expect(todos(stateBefore, action)).toEqual(stateAfter);
};

//test 2
var testToggleTodo = function testToggleTodo() {
  var stateBefore = [{
    id: 0,
    text: 'learn redux',
    completed: false
  }, {
    id: 1,
    text: 'go shopping',
    completed: false
  }];

  var action = {
    type: 'TOGGLE_TODO',
    id: 1
  };

  var stateAfter = [{
    id: 0,
    text: 'learn redux',
    completed: false
  }, {
    id: 1,
    text: 'go shopping',
    completed: true
  }];

  deepFreeze(stateBefore);
  deepFreeze(action);
  expect(todos(stateBefore, action)).toEqual(stateAfter);
};

testAddTodo();
testToggleTodo();
console.log('all test passed');
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>JS Bin</title>
	</head>
	<body>
	<script src="https://fb.me/react-15.1.0.js"></script>
	<script src="https://fb.me/react-dom-15.1.0.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.7.2/redux.min.js"></script>
	<script src="https://wzrd.in/standalone/expect@latest"></script>
	<script src="https://wzrd.in/standalone/deep-freeze@latest"></script>
	<div id='root'></div>
	<script id="jsbin-javascript">
	'use strict';

	var _extends = Object.assign \|\| function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

	function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }

	var todos = function todos(state, action) {
	if (state === undefined) state = [];

	switch (action.type) {
	case 'ADD_TODO':
	return [].concat(_toConsumableArray(state), [{
	id: action.id,
	text: action.text,
	completed: false
	}]);
	case 'TOGGLE_TODO':
	return state.map(function (todo) {
	if (todo.id !== action.id) {
	return todo;
	}

	return _extends({}, todo, {
	completed: !todo.completed
	});
	});

	default:
	return state;
	}
	};

	//test one
	var testAddTodo = function testAddTodo() {

	var stateBefore = [];

	var action = {
	type: 'ADD_TODO',
	id: 0,
	text: 'learn redux'
	};

	deepFreeze(stateBefore);
	deepFreeze(action);

	var stateAfter = [{
	id: 0,
	text: 'learn redux',
	completed: false
	}];

	expect(todos(stateBefore, action)).toEqual(stateAfter);
	};

	//test 2
	var testToggleTodo = function testToggleTodo() {
	var stateBefore = [{
	id: 0,
	text: 'learn redux',
	completed: false
	}, {
	id: 1,
	text: 'go shopping',
	completed: false
	}];

	var action = {
	type: 'TOGGLE_TODO',
	id: 1
	};

	var stateAfter = [{
	id: 0,
	text: 'learn redux',
	completed: false
	}, {
	id: 1,
	text: 'go shopping',
	completed: true
	}];

	deepFreeze(stateBefore);
	deepFreeze(action);
	expect(todos(stateBefore, action)).toEqual(stateAfter);
	};

	testAddTodo();
	testToggleTodo();
	console.log('all test passed');
	</script>



	<script id="jsbin-source-javascript" type="text/javascript">const todos = (state =[], action)=>{

	switch (action.type){
	case 'ADD_TODO':
	return [
	...state,
	{
	id: action.id,
	text: action.text,
	completed : false
	}
	];
	case 'TOGGLE_TODO':
	return state.map(todo =>{
	if(todo.id !== action.id) {
	return todo;
	}

	return {
	...todo,
	completed: !todo.completed
	};
	});

	default:
	return state;
	}
	};

	//test one
	const testAddTodo = () =>{

	const stateBefore = [];

	const action = {
	type : 'ADD_TODO',
	id: 0,
	text : 'learn redux'
	};

	deepFreeze(stateBefore);
	deepFreeze(action);

	const stateAfter = [{
	id: 0,
	text: 'learn redux',
	completed: false
	}];

	expect(todos(stateBefore,action)).toEqual(stateAfter);
	};

	//test 2
	const testToggleTodo = ()=>{
	const stateBefore = [{
	id: 0,
	text: 'learn redux',
	completed: false
	},
	{
	id: 1,
	text: 'go shopping',
	completed: false
	}
	];

	const action = {
	type : 'TOGGLE_TODO',
	id : 1
	};

	const stateAfter = [{
	id: 0,
	text: 'learn redux',
	completed: false
	},
	{
	id: 1,
	text: 'go shopping',
	completed: true
	}
	];

	deepFreeze(stateBefore);
	deepFreeze(action);
	expect(todos(stateBefore,action)).toEqual(stateAfter);

	}

	testAddTodo()
	testToggleTodo()
	console.log('all test passed')</script></body>
	</html>