raydot/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
<meta name="description" content="Video 23 -- Extracting Container Components Part 2">
  <meta charset="utf-8">
  <title>Redux Tutorial</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/redux/4.0.4/redux.min.js"></script>
  <script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
</head>
<body>
  <div id='root'></div>
<script id="jsbin-javascript">
// Let's finish separating the presentation and container components
// Don't take this as dogma.  Only do this when it reduces complexity
'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; }; })();

var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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); } }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }

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; }

var todo = function todo(state, action) {
  switch (action.type) {
    case 'ADD_TODO':
      return {
        id: action.id,
        text: action.text,
        completed: false
      };
    case 'TOGGLE_TODO':
      if (state.id !== action.id) {
        return state;
      }
      return _extends({}, state, {
        completed: !state.completed
      });
    default:
      return state;
  }
};

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

  switch (action.type) {
    case 'ADD_TODO':
      return [].concat(_toConsumableArray(state), [// return array with all items + new
      todo(undefined, action) // calls child reducers
      ]);
    case 'TOGGLE_TODO':
      return state.map(function (t) {
        return todo(t, action);
      });
    default:
      return state;
  }
};

var visibilityFilter = function visibilityFilter(state, action) {
  if (state === undefined) state = 'SHOW_ALL';

  switch (action.type) {
    case 'SET_VISIBILITY_FILTER':
      return action.filter;
    default:
      return state;
  }
};

var _Redux = Redux;
var combineReducers = _Redux.combineReducers;

// This is the root reducer
var todoApp = combineReducers({
  todos: todos,
  visibilityFilter: visibilityFilter
});

var _Redux2 = Redux;
var createStore = _Redux2.createStore;

// combined reducer
var store = createStore(todoApp);

var _React = React;
var Component = _React.Component;

// react presentational component for utilizing visibility filter
var Link = function Link(_ref) {
  var active = _ref.active;
  var children = _ref.children;
  var onClick = _ref.onClick;

  if (active) {
    return React.createElement(
      'span',
      null,
      children
    );
  }

  return React.createElement(
    'a',
    { href: '#',
      onClick: function (e) {
        e.preventDefault();
        onClick();
      }
    },
    children
  );
};

// container to provide data and behavior to presentational component
// Renders linked based on props and Redux store state

var FilterLink = (function (_Component) {
  _inherits(FilterLink, _Component);

  function FilterLink() {
    _classCallCheck(this, FilterLink);

    _get(Object.getPrototypeOf(FilterLink.prototype), 'constructor', this).apply(this, arguments);
  }

  // Presentational component

  _createClass(FilterLink, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var _this = this;

      // Unsubscribe() is returned by subscribe()
      this.unsubscribe = store.subscribe(function () {
        return _this.forceUpdate();
      });
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unsubscribe();
    }
  }, {
    key: 'render',
    value: function render() {
      var props = this.props;
      var state = store.getState();

      // delegate rendering to presentational component.
      return React.createElement(
        Link,
        {
          active: props.filter === state.visibilityFilter,
          onClick: function () {
            return store.dispatch({
              type: 'SET_VISIBILITY_FILTER',
              filter: props.filter
            });
          }
        },
        props.children
      ); //return
    }
  }]);

  return FilterLink;
})(Component);

var Footer = function Footer() {
  return React.createElement(
    'p',
    null,
    'Show:',
    ' ',
    React.createElement(
      FilterLink,
      {
        filter: 'SHOW_ALL'
      },
      'All'
    ),
    ', ',
    React.createElement(
      FilterLink,
      {
        filter: 'SHOW_ACTIVE'
      },
      'Active'
    ),
    ', ',
    React.createElement(
      FilterLink,
      {
        filter: 'SHOW_COMPLETED'
      },
      'Completed'
    )
  );
};

// Purely presentational Todo component
var Todo = function Todo(_ref2) {
  var onClick = _ref2.onClick;
  var completed = _ref2.completed;
  var text = _ref2.text;
  var id = _ref2.id;
  return React.createElement(
    'li',
    {
      onClick: onClick,
      style: {
        textDecoration: completed ? 'line-through' : 'none'
      }
    },
    id,
    ': ',
    text
  );
};

// Purely presentational TodoList
var TodoList = function TodoList(_ref3) {
  var todos = _ref3.todos;
  var onTodoClick = _ref3.onTodoClick;
  return React.createElement(
    'ul',
    null,
    todos.map(function (todo) {
      return React.createElement(Todo, _extends({
        key: todo.id
      }, todo, {
        onClick: function () {
          return onTodoClick(todo.id);
        }
      }));
    })
  );
};

// Not really presentational or container
var AddTodo = function AddTodo(_ref4) {
  var onAddClick = _ref4.onAddClick;

  var input = undefined;

  return React.createElement(
    'div',
    null,
    React.createElement('input', { ref: function (node) {
        input = node;
      } }),
    React.createElement(
      'button',
      { onClick: function () {
          store.dispatch({
            type: 'ADD_TODO',
            id: nextTodoId++,
            text: input.value
          });
          input.value = '';
        } },
      'Add Todo'
    )
  );
};

var getVisibleTodos = function getVisibleTodos(todos, filter) {
  switch (filter) {
    case 'SHOW_ALL':
      return todos;
    case 'SHOW_COMPLETED':
      return todos.filter(function (t) {
        return t.completed;
      });
    case 'SHOW_ACTIVE':
      return todos.filter(function (t) {
        return !t.completed;
      });
  }
};

// Container component.
// subscribes to store and rerenders todo list when store state changes
// calculates visible todos based on redux store state
// Rendering is performed by TodoList component.

var VisibleTodoList = (function (_Component2) {
  _inherits(VisibleTodoList, _Component2);

  function VisibleTodoList() {
    _classCallCheck(this, VisibleTodoList);

    _get(Object.getPrototypeOf(VisibleTodoList.prototype), 'constructor', this).apply(this, arguments);
  }

  _createClass(VisibleTodoList, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var _this2 = this;

      this.unsubscribe = store.subscribe(function () {
        return _this2.forceUpdate();
      });
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unsubscribe();
    }
  }, {
    key: 'render',
    value: function render() {
      var props = this.props;
      var state = store.getState();

      return React.createElement(TodoList, {
        todos: getVisibleTodos(state.todos, state.visibilityFilter),
        onTodoClick: function (id) {
          return store.dispatch({
            type: 'TOGGLE_TODO',
            id: id
          });
        }
      });
    }
  }]);

  return VisibleTodoList;
})(Component);

var nextTodoId = 0;

// With the refactor of TodoList, AddTodo, and Footer, TodoApp() this is now acting as a container component.
var TodoApp = function TodoApp() {
  return React.createElement(
    'div',
    null,
    React.createElement(AddTodo, null),
    React.createElement(VisibleTodoList, null),
    React.createElement(Footer, null)
  );
};

var render = function render() {
  ReactDOM.render(React.createElement(TodoApp, null), document.getElementById('root'));
};

store.subscribe(render); // runs on any state change
render();
</script>


<script id="jsbin-source-javascript" type="text/javascript">// Let's finish separating the presentation and container components
// Don't take this as dogma.  Only do this when it reduces complexity
const todo = ( state, action ) => {
    switch (action.type) {
      case 'ADD_TODO':
        return {
          id: action.id,
          text: action.text,
          completed: false
        };
      case 'TOGGLE_TODO':
        if (state.id !== action.id) {
          return state;
        }
          return {
            ...state,
            completed: !state.completed
          }
      default:
        return state
    }
  }

  // todos reducer
  const todos = (state = [], action) => {
    switch (action.type) {
      case 'ADD_TODO':
        return [
          ...state, // return array with all items + new
          todo(undefined, action) // calls child reducers
        ]
        case 'TOGGLE_TODO':
          return state.map(t => todo(t, action))
        default:
          return state;
    }
  };

  const visibilityFilter = (
    state = 'SHOW_ALL',
    action
  ) => {
    switch (action.type) {
      case 'SET_VISIBILITY_FILTER':
        return action.filter;
      default:
        return state;
    }
  }

  const { combineReducers } = Redux

  // This is the root reducer
  const todoApp = combineReducers({
    todos,
    visibilityFilter
  })

  const { createStore } = Redux

  // combined reducer
  const store = createStore(todoApp)

  const { Component } = React

// react presentational component for utilizing visibility filter
const Link = ({
    active,
    children,
    onClick
}) => {
    if (active) {
        return <span>{children}</span>;
    }

    return (
        <a href='#'
            onClick={e => {
                e.preventDefault();
                onClick()
            }}
        >
            {children}
        </a>
    );
};


// container to provide data and behavior to presentational component
// Renders linked based on props and Redux store state
class FilterLink extends Component {
  componentDidMount() {
    // Unsubscribe() is returned by subscribe()
    this.unsubscribe = store.subscribe(() =>
      this.forceUpdate()
     );
  }

  componentWillUnmount() {
    this.unsubscribe();
  }

  render() {
    const props = this.props;
    const state = store.getState();

    // delegate rendering to presentational component.
    return (
      <Link
        active={
           props.filter ===
           state.visibilityFilter
        }
        onClick = {() =>
          store.dispatch({
            type: 'SET_VISIBILITY_FILTER',
            filter: props.filter
          })
        }
      >
       {props.children}
      </Link>
    ); //return
  }
}

// Presentational component
const Footer = () => (
    <p>
        Show:
        {' '}
        <FilterLink
            filter='SHOW_ALL'
        >
            All
        </FilterLink>
        {', '}
        <FilterLink
            filter='SHOW_ACTIVE'
        >
            Active
        </FilterLink>
        {', '}
        <FilterLink
            filter='SHOW_COMPLETED'
        >
            Completed
        </FilterLink>
    </p>
);

// Purely presentational Todo component
const Todo = ({
    onClick,
    completed,
    text,
    id
}) => (
    <li
        onClick={onClick}
        style={{
            textDecoration:
                completed ?
                'line-through' :
                'none'
        }}
    >
    {id}: {text}
    </li>
);

  // Purely presentational TodoList
  const TodoList = ({
    todos,
    onTodoClick
  }) => (
  <ul>
    {todos.map(todo =>
       <Todo
         key={todo.id}
         {...todo}
        onClick={() => onTodoClick(todo.id)}
        />
     )}
  </ul>
);

// Not really presentational or container
const AddTodo = ({
  onAddClick
}) => {
  let input;

  return (
    <div>
        <input ref={node => {
          input = node;
          }} />
          <button onClick = {() => {
            store.dispatch({
                    type: 'ADD_TODO',
                    id: nextTodoId++,
                    text: input.value
                })
            input.value = ''
          }}>
        Add Todo
       </button>
     </div>
  );
};

const getVisibleTodos = (
    todos,
    filter
) => {
    switch (filter) {
        case 'SHOW_ALL':
            return todos;
        case 'SHOW_COMPLETED':
            return todos.filter(
                t => t.completed
            );
        case 'SHOW_ACTIVE':
            return todos.filter(
                t => !t.completed
            );
    }
}

// Container component.
// subscribes to store and rerenders todo list when store state changes
// calculates visible todos based on redux store state
// Rendering is performed by TodoList component.
class VisibleTodoList extends Component {
  componentDidMount() {
      this.unsubscribe = store.subscribe(() =>
      this.forceUpdate()
     );
  }

  componentWillUnmount() {
    this.unsubscribe();
  }

  render() {
    const props = this.props;
    const state = store.getState()

    return (
    <TodoList
      todos={
        getVisibleTodos(
          state.todos,
          state.visibilityFilter
        )
      }
      onTodoClick={id =>
        store.dispatch({
          type: 'TOGGLE_TODO',
          id
        })
      }
      />
    );
  }
}

let nextTodoId = 0;

 // With the refactor of TodoList, AddTodo, and Footer, TodoApp() this is now acting as a container component.
const TodoApp = () => (
    <div>
        <AddTodo />
        <VisibleTodoList />
        <Footer />
    </div>
);

const render = () => {
    ReactDOM.render(
        <TodoApp />,
        document.getElementById('root')
    )
}

store.subscribe(render) // runs on any state change
render()</script></body>
</html>

## jsbin.neseqom.js
// Let's finish separating the presentation and container components
// Don't take this as dogma.  Only do this when it reduces complexity
'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; }; })();

var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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); } }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }

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; }

var todo = function todo(state, action) {
  switch (action.type) {
    case 'ADD_TODO':
      return {
        id: action.id,
        text: action.text,
        completed: false
      };
    case 'TOGGLE_TODO':
      if (state.id !== action.id) {
        return state;
      }
      return _extends({}, state, {
        completed: !state.completed
      });
    default:
      return state;
  }
};

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

  switch (action.type) {
    case 'ADD_TODO':
      return [].concat(_toConsumableArray(state), [// return array with all items + new
      todo(undefined, action) // calls child reducers
      ]);
    case 'TOGGLE_TODO':
      return state.map(function (t) {
        return todo(t, action);
      });
    default:
      return state;
  }
};

var visibilityFilter = function visibilityFilter(state, action) {
  if (state === undefined) state = 'SHOW_ALL';

  switch (action.type) {
    case 'SET_VISIBILITY_FILTER':
      return action.filter;
    default:
      return state;
  }
};

var _Redux = Redux;
var combineReducers = _Redux.combineReducers;

// This is the root reducer
var todoApp = combineReducers({
  todos: todos,
  visibilityFilter: visibilityFilter
});

var _Redux2 = Redux;
var createStore = _Redux2.createStore;

// combined reducer
var store = createStore(todoApp);

var _React = React;
var Component = _React.Component;

// react presentational component for utilizing visibility filter
var Link = function Link(_ref) {
  var active = _ref.active;
  var children = _ref.children;
  var onClick = _ref.onClick;

  if (active) {
    return React.createElement(
      'span',
      null,
      children
    );
  }

  return React.createElement(
    'a',
    { href: '#',
      onClick: function (e) {
        e.preventDefault();
        onClick();
      }
    },
    children
  );
};

// container to provide data and behavior to presentational component
// Renders linked based on props and Redux store state

var FilterLink = (function (_Component) {
  _inherits(FilterLink, _Component);

  function FilterLink() {
    _classCallCheck(this, FilterLink);

    _get(Object.getPrototypeOf(FilterLink.prototype), 'constructor', this).apply(this, arguments);
  }

  // Presentational component

  _createClass(FilterLink, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var _this = this;

      // Unsubscribe() is returned by subscribe()
      this.unsubscribe = store.subscribe(function () {
        return _this.forceUpdate();
      });
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unsubscribe();
    }
  }, {
    key: 'render',
    value: function render() {
      var props = this.props;
      var state = store.getState();

      // delegate rendering to presentational component.
      return React.createElement(
        Link,
        {
          active: props.filter === state.visibilityFilter,
          onClick: function () {
            return store.dispatch({
              type: 'SET_VISIBILITY_FILTER',
              filter: props.filter
            });
          }
        },
        props.children
      ); //return
    }
  }]);

  return FilterLink;
})(Component);

var Footer = function Footer() {
  return React.createElement(
    'p',
    null,
    'Show:',
    ' ',
    React.createElement(
      FilterLink,
      {
        filter: 'SHOW_ALL'
      },
      'All'
    ),
    ', ',
    React.createElement(
      FilterLink,
      {
        filter: 'SHOW_ACTIVE'
      },
      'Active'
    ),
    ', ',
    React.createElement(
      FilterLink,
      {
        filter: 'SHOW_COMPLETED'
      },
      'Completed'
    )
  );
};

// Purely presentational Todo component
var Todo = function Todo(_ref2) {
  var onClick = _ref2.onClick;
  var completed = _ref2.completed;
  var text = _ref2.text;
  var id = _ref2.id;
  return React.createElement(
    'li',
    {
      onClick: onClick,
      style: {
        textDecoration: completed ? 'line-through' : 'none'
      }
    },
    id,
    ': ',
    text
  );
};

// Purely presentational TodoList
var TodoList = function TodoList(_ref3) {
  var todos = _ref3.todos;
  var onTodoClick = _ref3.onTodoClick;
  return React.createElement(
    'ul',
    null,
    todos.map(function (todo) {
      return React.createElement(Todo, _extends({
        key: todo.id
      }, todo, {
        onClick: function () {
          return onTodoClick(todo.id);
        }
      }));
    })
  );
};

// Not really presentational or container
var AddTodo = function AddTodo(_ref4) {
  var onAddClick = _ref4.onAddClick;

  var input = undefined;

  return React.createElement(
    'div',
    null,
    React.createElement('input', { ref: function (node) {
        input = node;
      } }),
    React.createElement(
      'button',
      { onClick: function () {
          store.dispatch({
            type: 'ADD_TODO',
            id: nextTodoId++,
            text: input.value
          });
          input.value = '';
        } },
      'Add Todo'
    )
  );
};

var getVisibleTodos = function getVisibleTodos(todos, filter) {
  switch (filter) {
    case 'SHOW_ALL':
      return todos;
    case 'SHOW_COMPLETED':
      return todos.filter(function (t) {
        return t.completed;
      });
    case 'SHOW_ACTIVE':
      return todos.filter(function (t) {
        return !t.completed;
      });
  }
};

// Container component.
// subscribes to store and rerenders todo list when store state changes
// calculates visible todos based on redux store state
// Rendering is performed by TodoList component.

var VisibleTodoList = (function (_Component2) {
  _inherits(VisibleTodoList, _Component2);

  function VisibleTodoList() {
    _classCallCheck(this, VisibleTodoList);

    _get(Object.getPrototypeOf(VisibleTodoList.prototype), 'constructor', this).apply(this, arguments);
  }

  _createClass(VisibleTodoList, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var _this2 = this;

      this.unsubscribe = store.subscribe(function () {
        return _this2.forceUpdate();
      });
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unsubscribe();
    }
  }, {
    key: 'render',
    value: function render() {
      var props = this.props;
      var state = store.getState();

      return React.createElement(TodoList, {
        todos: getVisibleTodos(state.todos, state.visibilityFilter),
        onTodoClick: function (id) {
          return store.dispatch({
            type: 'TOGGLE_TODO',
            id: id
          });
        }
      });
    }
  }]);

  return VisibleTodoList;
})(Component);

var nextTodoId = 0;

// With the refactor of TodoList, AddTodo, and Footer, TodoApp() this is now acting as a container component.
var TodoApp = function TodoApp() {
  return React.createElement(
    'div',
    null,
    React.createElement(AddTodo, null),
    React.createElement(VisibleTodoList, null),
    React.createElement(Footer, null)
  );
};

var render = function render() {
  ReactDOM.render(React.createElement(TodoApp, null), document.getElementById('root'));
};

store.subscribe(render); // runs on any state change
render();
	<!DOCTYPE html>
	<html>
	<head>
	<meta name="description" content="Video 23 -- Extracting Container Components Part 2">
	<meta charset="utf-8">
	<title>Redux Tutorial</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/4.0.4/redux.min.js"></script>
	<script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
	<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
	</head>
	<body>
	<div id='root'></div>
	<script id="jsbin-javascript">
	// Let's finish separating the presentation and container components
	// Don't take this as dogma. Only do this when it reduces complexity
	'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; }; })();

	var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

	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); } }

	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }

	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; }

	var todo = function todo(state, action) {
	switch (action.type) {
	case 'ADD_TODO':
	return {
	id: action.id,
	text: action.text,
	completed: false
	};
	case 'TOGGLE_TODO':
	if (state.id !== action.id) {
	return state;
	}
	return _extends({}, state, {
	completed: !state.completed
	});
	default:
	return state;
	}
	};

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

	switch (action.type) {
	case 'ADD_TODO':
	return [].concat(_toConsumableArray(state), [// return array with all items + new
	todo(undefined, action) // calls child reducers
	]);
	case 'TOGGLE_TODO':
	return state.map(function (t) {
	return todo(t, action);
	});
	default:
	return state;
	}
	};

	var visibilityFilter = function visibilityFilter(state, action) {
	if (state === undefined) state = 'SHOW_ALL';

	switch (action.type) {
	case 'SET_VISIBILITY_FILTER':
	return action.filter;
	default:
	return state;
	}
	};

	var _Redux = Redux;
	var combineReducers = _Redux.combineReducers;

	// This is the root reducer
	var todoApp = combineReducers({
	todos: todos,
	visibilityFilter: visibilityFilter
	});

	var _Redux2 = Redux;
	var createStore = _Redux2.createStore;

	// combined reducer
	var store = createStore(todoApp);

	var _React = React;
	var Component = _React.Component;

	// react presentational component for utilizing visibility filter
	var Link = function Link(_ref) {
	var active = _ref.active;
	var children = _ref.children;
	var onClick = _ref.onClick;

	if (active) {
	return React.createElement(
	'span',
	null,
	children
	);
	}

	return React.createElement(
	'a',
	{ href: '#',
	onClick: function (e) {
	e.preventDefault();
	onClick();
	}
	},
	children
	);
	};

	// container to provide data and behavior to presentational component
	// Renders linked based on props and Redux store state

	var FilterLink = (function (_Component) {
	_inherits(FilterLink, _Component);

	function FilterLink() {
	_classCallCheck(this, FilterLink);

	_get(Object.getPrototypeOf(FilterLink.prototype), 'constructor', this).apply(this, arguments);
	}

	// Presentational component

	_createClass(FilterLink, [{
	key: 'componentDidMount',
	value: function componentDidMount() {
	var _this = this;

	// Unsubscribe() is returned by subscribe()
	this.unsubscribe = store.subscribe(function () {
	return _this.forceUpdate();
	});
	}
	}, {
	key: 'componentWillUnmount',
	value: function componentWillUnmount() {
	this.unsubscribe();
	}
	}, {
	key: 'render',
	value: function render() {
	var props = this.props;
	var state = store.getState();

	// delegate rendering to presentational component.
	return React.createElement(
	Link,
	{
	active: props.filter === state.visibilityFilter,
	onClick: function () {
	return store.dispatch({
	type: 'SET_VISIBILITY_FILTER',
	filter: props.filter
	});
	}
	},
	props.children
	); //return
	}
	}]);

	return FilterLink;
	})(Component);

	var Footer = function Footer() {
	return React.createElement(
	'p',
	null,
	'Show:',
	' ',
	React.createElement(
	FilterLink,
	{
	filter: 'SHOW_ALL'
	},
	'All'
	),
	', ',
	React.createElement(
	FilterLink,
	{
	filter: 'SHOW_ACTIVE'
	},
	'Active'
	),
	', ',
	React.createElement(
	FilterLink,
	{
	filter: 'SHOW_COMPLETED'
	},
	'Completed'
	)
	);
	};

	// Purely presentational Todo component
	var Todo = function Todo(_ref2) {
	var onClick = _ref2.onClick;
	var completed = _ref2.completed;
	var text = _ref2.text;
	var id = _ref2.id;
	return React.createElement(
	'li',
	{
	onClick: onClick,
	style: {
	textDecoration: completed ? 'line-through' : 'none'
	}
	},
	id,
	': ',
	text
	);
	};

	// Purely presentational TodoList
	var TodoList = function TodoList(_ref3) {
	var todos = _ref3.todos;
	var onTodoClick = _ref3.onTodoClick;
	return React.createElement(
	'ul',
	null,
	todos.map(function (todo) {
	return React.createElement(Todo, _extends({
	key: todo.id
	}, todo, {
	onClick: function () {
	return onTodoClick(todo.id);
	}
	}));
	})
	);
	};

	// Not really presentational or container
	var AddTodo = function AddTodo(_ref4) {
	var onAddClick = _ref4.onAddClick;

	var input = undefined;

	return React.createElement(
	'div',
	null,
	React.createElement('input', { ref: function (node) {
	input = node;
	} }),
	React.createElement(
	'button',
	{ onClick: function () {
	store.dispatch({
	type: 'ADD_TODO',
	id: nextTodoId++,
	text: input.value
	});
	input.value = '';
	} },
	'Add Todo'
	)
	);
	};

	var getVisibleTodos = function getVisibleTodos(todos, filter) {
	switch (filter) {
	case 'SHOW_ALL':
	return todos;
	case 'SHOW_COMPLETED':
	return todos.filter(function (t) {
	return t.completed;
	});
	case 'SHOW_ACTIVE':
	return todos.filter(function (t) {
	return !t.completed;
	});
	}
	};

	// Container component.
	// subscribes to store and rerenders todo list when store state changes
	// calculates visible todos based on redux store state
	// Rendering is performed by TodoList component.

	var VisibleTodoList = (function (_Component2) {
	_inherits(VisibleTodoList, _Component2);

	function VisibleTodoList() {
	_classCallCheck(this, VisibleTodoList);

	_get(Object.getPrototypeOf(VisibleTodoList.prototype), 'constructor', this).apply(this, arguments);
	}

	_createClass(VisibleTodoList, [{
	key: 'componentDidMount',
	value: function componentDidMount() {
	var _this2 = this;

	this.unsubscribe = store.subscribe(function () {
	return _this2.forceUpdate();
	});
	}
	}, {
	key: 'componentWillUnmount',
	value: function componentWillUnmount() {
	this.unsubscribe();
	}
	}, {
	key: 'render',
	value: function render() {
	var props = this.props;
	var state = store.getState();

	return React.createElement(TodoList, {
	todos: getVisibleTodos(state.todos, state.visibilityFilter),
	onTodoClick: function (id) {
	return store.dispatch({
	type: 'TOGGLE_TODO',
	id: id
	});
	}
	});
	}
	}]);

	return VisibleTodoList;
	})(Component);

	var nextTodoId = 0;

	// With the refactor of TodoList, AddTodo, and Footer, TodoApp() this is now acting as a container component.
	var TodoApp = function TodoApp() {
	return React.createElement(
	'div',
	null,
	React.createElement(AddTodo, null),
	React.createElement(VisibleTodoList, null),
	React.createElement(Footer, null)
	);
	};

	var render = function render() {
	ReactDOM.render(React.createElement(TodoApp, null), document.getElementById('root'));
	};

	store.subscribe(render); // runs on any state change
	render();
	</script>



	<script id="jsbin-source-javascript" type="text/javascript">// Let's finish separating the presentation and container components
	// Don't take this as dogma. Only do this when it reduces complexity
	const todo = ( state, action ) => {
	switch (action.type) {
	case 'ADD_TODO':
	return {
	id: action.id,
	text: action.text,
	completed: false
	};
	case 'TOGGLE_TODO':
	if (state.id !== action.id) {
	return state;
	}
	return {
	...state,
	completed: !state.completed
	}
	default:
	return state
	}
	}

	// todos reducer
	const todos = (state = [], action) => {
	switch (action.type) {
	case 'ADD_TODO':
	return [
	...state, // return array with all items + new
	todo(undefined, action) // calls child reducers
	]
	case 'TOGGLE_TODO':
	return state.map(t => todo(t, action))
	default:
	return state;
	}
	};

	const visibilityFilter = (
	state = 'SHOW_ALL',
	action
	) => {
	switch (action.type) {
	case 'SET_VISIBILITY_FILTER':
	return action.filter;
	default:
	return state;
	}
	}

	const { combineReducers } = Redux

	// This is the root reducer
	const todoApp = combineReducers({
	todos,
	visibilityFilter
	})

	const { createStore } = Redux

	// combined reducer
	const store = createStore(todoApp)

	const { Component } = React

	// react presentational component for utilizing visibility filter
	const Link = ({
	active,
	children,
	onClick
	}) => {
	if (active) {
	return <span>{children}</span>;
	}

	return (
	<a href='#'
	onClick={e => {
	e.preventDefault();
	onClick()
	}}
	>
	{children}
	</a>
	);
	};


	// container to provide data and behavior to presentational component
	// Renders linked based on props and Redux store state
	class FilterLink extends Component {
	componentDidMount() {
	// Unsubscribe() is returned by subscribe()
	this.unsubscribe = store.subscribe(() =>
	this.forceUpdate()
	);
	}

	componentWillUnmount() {
	this.unsubscribe();
	}

	render() {
	const props = this.props;
	const state = store.getState();

	// delegate rendering to presentational component.
	return (
	<Link
	active={
	props.filter ===
	state.visibilityFilter
	}
	onClick = {() =>
	store.dispatch({
	type: 'SET_VISIBILITY_FILTER',
	filter: props.filter
	})
	}
	>
	{props.children}
	</Link>
	); //return
	}
	}

	// Presentational component
	const Footer = () => (
	<p>
	Show:
	{' '}
	<FilterLink
	filter='SHOW_ALL'
	>
	All
	</FilterLink>
	{', '}
	<FilterLink
	filter='SHOW_ACTIVE'
	>
	Active
	</FilterLink>
	{', '}
	<FilterLink
	filter='SHOW_COMPLETED'
	>
	Completed
	</FilterLink>
	</p>
	);

	// Purely presentational Todo component
	const Todo = ({
	onClick,
	completed,
	text,
	id
	}) => (
	<li
	onClick={onClick}
	style={{
	textDecoration:
	completed ?
	'line-through' :
	'none'
	}}
	>
	{id}: {text}
	</li>
	);

	// Purely presentational TodoList
	const TodoList = ({
	todos,
	onTodoClick
	}) => (
	<ul>
	{todos.map(todo =>
	<Todo
	key={todo.id}
	{...todo}
	onClick={() => onTodoClick(todo.id)}
	/>
	)}
	</ul>
	);

	// Not really presentational or container
	const AddTodo = ({
	onAddClick
	}) => {
	let input;

	return (
	<div>
	<input ref={node => {
	input = node;
	}} />
	<button onClick = {() => {
	store.dispatch({
	type: 'ADD_TODO',
	id: nextTodoId++,
	text: input.value
	})
	input.value = ''
	}}>
	Add Todo
	</button>
	</div>
	);
	};

	const getVisibleTodos = (
	todos,
	filter
	) => {
	switch (filter) {
	case 'SHOW_ALL':
	return todos;
	case 'SHOW_COMPLETED':
	return todos.filter(
	t => t.completed
	);
	case 'SHOW_ACTIVE':
	return todos.filter(
	t => !t.completed
	);
	}
	}

	// Container component.
	// subscribes to store and rerenders todo list when store state changes
	// calculates visible todos based on redux store state
	// Rendering is performed by TodoList component.
	class VisibleTodoList extends Component {
	componentDidMount() {
	this.unsubscribe = store.subscribe(() =>
	this.forceUpdate()
	);
	}

	componentWillUnmount() {
	this.unsubscribe();
	}

	render() {
	const props = this.props;
	const state = store.getState()

	return (
	<TodoList
	todos={
	getVisibleTodos(
	state.todos,
	state.visibilityFilter
	)
	}
	onTodoClick={id =>
	store.dispatch({
	type: 'TOGGLE_TODO',
	id
	})
	}
	/>
	);
	}
	}

	let nextTodoId = 0;

	// With the refactor of TodoList, AddTodo, and Footer, TodoApp() this is now acting as a container component.
	const TodoApp = () => (
	<div>
	<AddTodo />
	<VisibleTodoList />
	<Footer />
	</div>
	);

	const render = () => {
	ReactDOM.render(
	<TodoApp />,
	document.getElementById('root')
	)
	}

	store.subscribe(render) // runs on any state change
	render()</script></body>
	</html>