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Created October 29, 2016 18:50
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JS Bin Passing Down the Store Implicitly via Context // source http://jsbin.com/filoya
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta name="description" content="Passing Down the Store Implicitly via Context">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.0.4/redux.js"></script>
<script src="https://fb.me/react-15.1.0.js"></script>
<script src="https://fb.me/react-dom-15.1.0.js"></script>
</head>
<body>
<div id='root'></div>
<script id="jsbin-javascript">
'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;
}
};
var todos = function todos(state, action) {
if (state === undefined) state = [];
switch (action.type) {
case 'ADD_TODO':
return [].concat(_toConsumableArray(state), [todo(undefined, action)]);
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;
var todoApp = combineReducers({
todos: todos,
visibilityFilter: visibilityFilter
});
var _React = React;
var Component = _React.Component;
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
);
};
var FilterLink = (function (_Component) {
_inherits(FilterLink, _Component);
function FilterLink() {
_classCallCheck(this, FilterLink);
_get(Object.getPrototypeOf(FilterLink.prototype), 'constructor', this).apply(this, arguments);
}
_createClass(FilterLink, [{
key: 'componentDidMount',
value: function componentDidMount() {
var _this = this;
var store = this.context.store;
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 store = this.context.store;
var state = store.getState();
return React.createElement(
Link,
{
active: props.filter === state.visibilityFilter,
onClick: function () {
return store.dispatch({
type: 'SET_VISIBILITY_FILTER',
filter: props.filter
});
}
},
props.children
);
}
}]);
return FilterLink;
})(Component);
FilterLink.contextTypes = {
store: React.PropTypes.object
};
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'
)
);
};
var Todo = function Todo(_ref2) {
var onClick = _ref2.onClick;
var completed = _ref2.completed;
var text = _ref2.text;
return React.createElement(
'li',
{
onClick: onClick,
style: {
textDecoration: completed ? 'line-through' : 'none'
} },
text
);
};
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);
}
}));
})
);
};
var nextTodoId = 0;
var AddTodo = function AddTodo(props, _ref4) {
var store = _ref4.store;
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'
)
);
};
AddTodo.contextTypes = {
store: React.PropTypes.object
};
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;
});
}
};
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;
var store = this.context.store;
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 store = this.context.store;
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);
VisibleTodoList.contextTypes = {
store: React.PropTypes.object
};
var TodoApp = function TodoApp() {
return React.createElement(
'div',
null,
React.createElement(AddTodo, null),
React.createElement(VisibleTodoList, null),
React.createElement(Footer, null)
);
};
var Provider = (function (_Component3) {
_inherits(Provider, _Component3);
function Provider() {
_classCallCheck(this, Provider);
_get(Object.getPrototypeOf(Provider.prototype), 'constructor', this).apply(this, arguments);
}
_createClass(Provider, [{
key: 'getChildContext',
value: function getChildContext() {
return {
store: this.props.store
};
}
}, {
key: 'render',
value: function render() {
return this.props.children;
}
}]);
return Provider;
})(Component);
Provider.childContextTypes = {
store: React.PropTypes.object
};
var _Redux2 = Redux;
var createStore = _Redux2.createStore;
ReactDOM.render(React.createElement(
Provider,
{ store: createStore(todoApp) },
React.createElement(TodoApp, null)
), document.getElementById('root'));
</script>
<script id="jsbin-source-javascript" type="text/javascript">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;
}
};
const todos = (state = [], action) => {
switch (action.type) {
case 'ADD_TODO':
return [
...state,
todo(undefined, action)
];
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;
const todoApp = combineReducers({
todos,
visibilityFilter
});
const { Component } = React;
const Link = ({
active,
children,
onClick
}) => {
if (active) {
return <span>{children}</span>;
}
return (
<a href='#'
onClick={e => {
e.preventDefault();
onClick();
}}>
{children}
</a>
);
};
class FilterLink extends Component {
componentDidMount() {
const { store } = this.context;
this.unsubscribe = store.subscribe(() =>
this.forceUpdate()
);
}
componentWillUnmount() {
this.unsubscribe();
}
render() {
const props = this.props;
const { store } = this.context;
const state = store.getState();
return (
<Link
active={
props.filter === state.visibilityFilter
}
onClick={() =>
store.dispatch({
type: 'SET_VISIBILITY_FILTER',
filter: props.filter
})
}
>
{props.children}
</Link>
);
}
}
FilterLink.contextTypes = {
store: React.PropTypes.object
};
const Footer = () => (
<p>
Show:
{' '}
<FilterLink
filter='SHOW_ALL'
>
All
</FilterLink>
{' '}
<FilterLink
filter='SHOW_ACTIVE'
>
Active
</FilterLink>
{' '}
<FilterLink
filter='SHOW_COMPLETED'
>
Completed
</FilterLink>
</p>
);
const Todo =({
onClick,
completed,
text
}) => (
<li
onClick={onClick}
style={{
textDecoration:
completed ?
'line-through' :
'none'
}}>
{text}
</li>
);
const TodoList = ({
todos,
onTodoClick
}) => (
<ul>
{todos.map(todo =>
<Todo
key={todo.id}
{...todo}
onClick={() => onTodoClick(todo.id)}
/>
)}
</ul>
);
let nextTodoId = 0;
const AddTodo = (props, { store }) => {
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>
);
};
AddTodo.contextTypes = {
store: React.PropTypes.object
};
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
);
}
}
class VisibleTodoList extends Component {
componentDidMount() {
const { store } = this.context;
this.unsubscribe = store.subscribe(() =>
this.forceUpdate()
);
}
componentWillUnmount() {
this.unsubscribe();
}
render() {
const props = this.props;
const { store } = this.context;
const state = store.getState();
return (
<TodoList
todos={
getVisibleTodos(
state.todos,
state.visibilityFilter
)
}
onTodoClick={id =>
store.dispatch({
type: 'TOGGLE_TODO',
id
})
}
/>
);
}
}
VisibleTodoList.contextTypes = {
store: React.PropTypes.object
};
const TodoApp = () => (
<div>
<AddTodo />
<VisibleTodoList />
<Footer />
</div>
);
class Provider extends Component {
getChildContext() {
return {
store: this.props.store
};
}
render() {
return this.props.children
}
}
Provider.childContextTypes = {
store: React.PropTypes.object
};
const { createStore } = Redux;
ReactDOM.render(
<Provider store={createStore(todoApp)}>
<TodoApp />
</Provider>,
document.getElementById('root')
);
</script></body>
</html>
Raw
jsbin.filoya.js
'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;
}
};
var todos = function todos(state, action) {
if (state === undefined) state = [];
switch (action.type) {
case 'ADD_TODO':
return [].concat(_toConsumableArray(state), [todo(undefined, action)]);
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;
var todoApp = combineReducers({
todos: todos,
visibilityFilter: visibilityFilter
});
var _React = React;
var Component = _React.Component;
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
);
};
var FilterLink = (function (_Component) {
_inherits(FilterLink, _Component);
function FilterLink() {
_classCallCheck(this, FilterLink);
_get(Object.getPrototypeOf(FilterLink.prototype), 'constructor', this).apply(this, arguments);
}
_createClass(FilterLink, [{
key: 'componentDidMount',
value: function componentDidMount() {
var _this = this;
var store = this.context.store;
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 store = this.context.store;
var state = store.getState();
return React.createElement(
Link,
{
active: props.filter === state.visibilityFilter,
onClick: function () {
return store.dispatch({
type: 'SET_VISIBILITY_FILTER',
filter: props.filter
});
}
},
props.children
);
}
}]);
return FilterLink;
})(Component);
FilterLink.contextTypes = {
store: React.PropTypes.object
};
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'
)
);
};
var Todo = function Todo(_ref2) {
var onClick = _ref2.onClick;
var completed = _ref2.completed;
var text = _ref2.text;
return React.createElement(
'li',
{
onClick: onClick,
style: {
textDecoration: completed ? 'line-through' : 'none'
} },
text
);
};
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);
}
}));
})
);
};
var nextTodoId = 0;
var AddTodo = function AddTodo(props, _ref4) {
var store = _ref4.store;
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'
)
);
};
AddTodo.contextTypes = {
store: React.PropTypes.object
};
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;
});
}
};
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;
var store = this.context.store;
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 store = this.context.store;
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);
VisibleTodoList.contextTypes = {
store: React.PropTypes.object
};
var TodoApp = function TodoApp() {
return React.createElement(
'div',
null,
React.createElement(AddTodo, null),
React.createElement(VisibleTodoList, null),
React.createElement(Footer, null)
);
};
var Provider = (function (_Component3) {
_inherits(Provider, _Component3);
function Provider() {
_classCallCheck(this, Provider);
_get(Object.getPrototypeOf(Provider.prototype), 'constructor', this).apply(this, arguments);
}
_createClass(Provider, [{
key: 'getChildContext',
value: function getChildContext() {
return {
store: this.props.store
};
}
}, {
key: 'render',
value: function render() {
return this.props.children;
}
}]);
return Provider;
})(Component);
Provider.childContextTypes = {
store: React.PropTypes.object
};
var _Redux2 = Redux;
var createStore = _Redux2.createStore;
ReactDOM.render(React.createElement(
Provider,
{ store: createStore(todoApp) },
React.createElement(TodoApp, null)
), document.getElementById('root'));
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