React with Redux

Showing the usage of Redux with React JS

by Pratik Bhattachary

HTML

<!DOCTYPE html>
<html>
<head>
<meta name="description" content="Using with react">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/redux/4.0.0/redux.js" type="text/javascript"></script>
  <script src="https://fb.me/react-0.14.3.js"></script>
<script src="https://fb.me/react-dom-0.14.3.js"></script>
</head>
<body>
  <div id="root"></div>

</body>
</html>

Babel + JSX

const counter = (state=0, action) => {
  switch (action.type) {
    case 'INCREMENT':
      return state + 1;
    case 'DECREMENT':
      return state - 1;
    default:
      return state;
  }
}

const {createStore} = Redux;
const store = createStore(counter);

//React Component - value, onIncrement and onDecrement are props
const CounterComp = ({
  value,
  onIncrement,
  onDecrement
}) => (
  <div>
    <h1>Counter - {value}</h1>
    <button onClick={onIncrement}>+</button>
    <button onClick={onDecrement}>-</button>
  </div>
);


const render = () => {
  ReactDOM.render(
    <CounterComp 
      value={store.getState()}
      onIncrement={() =>
                  store.dispatch({
                   type: 'INCREMENT'
                  })
      }
      onDecrement={() =>
                   store.dispatch({
                   type:'DECREMENT'
                  })
      }
    />,
    document.getElementById('root')
  );
}

store.subscribe(render);

render();