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@vnyv
Created November 18, 2017 17:41
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JS Bin // source https://jsbin.com/pahazis
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.7.2/redux.min.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 counter = function counter(state, action) {
if (state === undefined) state = 0;
switch (action.type) {
case 'INCREMENT':
return state + 1;
case 'DECREMENT':
return state - 1;
default:
return state;
}
};
var Counter = function Counter(_ref) {
var value = _ref.value;
var onIncrement = _ref.onIncrement;
var onDecrement = _ref.onDecrement;
return React.createElement(
'div',
null,
React.createElement(
'h1',
null,
value
),
React.createElement(
'button',
{ onClick: onIncrement },
'+'
),
React.createElement(
'button',
{ onClick: onDecrement },
'-'
)
);
};
var createStore = function createStore(reducer) {
var state = undefined;
var listeners = [];
var getState = function getState() {
return state;
};
var dispatch = function dispatch(action) {
state = reducer(state, action);
listeners.forEach(function (listener) {
return listener();
});
};
var subscribe = function subscribe(listener) {
listeners.push(listener);
return function () {
listeners = listeneres.filter(function (l) {
return l !== listener;
});
};
};
dispatch({});
return { getState: getState, dispatch: dispatch, subscribe: subscribe };
};
var store = createStore(counter);
var render = function render() {
ReactDOM.render(React.createElement(Counter, {
value: store.getState(),
onIncrement: function () {
return store.dispatch({ type: 'INCREMENT' });
},
onDecrement: function () {
return store.dispatch({ type: 'DECREMENT' });
}
}), document.getElementById('root'));
};
store.subscribe(render);
render();
</script>
<script id="jsbin-source-javascript" type="text/javascript">const counter = (state = 0, action) => {
switch (action.type){
case 'INCREMENT':
return state + 1;
case 'DECREMENT':
return state - 1;
default:
return state;
}
};
const Counter = ({
value,
onIncrement,
onDecrement
}) => (
<div>
<h1>{value}</h1>
<button onClick={onIncrement}>+</button>
<button onClick={onDecrement}>-</button>
</div>
)
const createStore = (reducer) => {
let state;
let listeners = [];
const getState = () => state;
const dispatch = (action) => {
state = reducer(state, action);
listeners.forEach(listener => listener());
};
const subscribe = (listener) => {
listeners.push(listener);
return () => {
listeners = listeneres.filter(l => l !== listener);
}
};
dispatch({});
return { getState: getState, dispatch: dispatch, subscribe: subscribe };
}
const store = createStore(counter);
const render = () => {
ReactDOM.render(
<Counter
value={ store.getState() }
onIncrement = {
() => store.dispatch({type: 'INCREMENT'})
}
onDecrement = {
() => store.dispatch({type: 'DECREMENT'})
}
/>,
document.getElementById('root')
);
}
store.subscribe(render);
render();
</script></body>
</html>
'use strict';
var counter = function counter(state, action) {
if (state === undefined) state = 0;
switch (action.type) {
case 'INCREMENT':
return state + 1;
case 'DECREMENT':
return state - 1;
default:
return state;
}
};
var Counter = function Counter(_ref) {
var value = _ref.value;
var onIncrement = _ref.onIncrement;
var onDecrement = _ref.onDecrement;
return React.createElement(
'div',
null,
React.createElement(
'h1',
null,
value
),
React.createElement(
'button',
{ onClick: onIncrement },
'+'
),
React.createElement(
'button',
{ onClick: onDecrement },
'-'
)
);
};
var createStore = function createStore(reducer) {
var state = undefined;
var listeners = [];
var getState = function getState() {
return state;
};
var dispatch = function dispatch(action) {
state = reducer(state, action);
listeners.forEach(function (listener) {
return listener();
});
};
var subscribe = function subscribe(listener) {
listeners.push(listener);
return function () {
listeners = listeneres.filter(function (l) {
return l !== listener;
});
};
};
dispatch({});
return { getState: getState, dispatch: dispatch, subscribe: subscribe };
};
var store = createStore(counter);
var render = function render() {
ReactDOM.render(React.createElement(Counter, {
value: store.getState(),
onIncrement: function () {
return store.dispatch({ type: 'INCREMENT' });
},
onDecrement: function () {
return store.dispatch({ type: 'DECREMENT' });
}
}), document.getElementById('root'));
};
store.subscribe(render);
render();
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