mini/redux/example.applyMiddleware.html

<!--  测试 applyMiddleware 版-->
<!DOCTYPE html>
<html>

  <head>
    <title>Redux applyMiddleware example</title>
    <script src="./index.js"></script>
    <script src="./example.loggerMiddleware.js"></script>
  </head>

  <body>
    <div>
      <p>
        Clicked: <span id="value">0</span> times
        <button id="increment">+</button>
        <button id="decrement">-</button>
        <button id="incrementIfOdd">Increment if odd</button>
        <button id="incrementAsync">Increment async</button>
      </p>
    </div>
    <script>
      function counter(state, action) {
        if (typeof state === 'undefined') {
          return 0
        }

        switch (action.type) {
          case 'INCREMENT':
            return state + 1
          case 'DECREMENT':
            return state - 1
          default:
            return state
        }
      }
      //和 example.html 就这里差别
      var store = Redux.createStore(counter, Redux.applyMiddleware(logger1, logger2, logger3))
      var valueEl = document.getElementById('value')

      function render() {
        valueEl.innerHTML = store.getState().toString()
      }

      render()
      store.subscribe(render)

      document.getElementById('increment')
        .addEventListener('click', function () {
          store.dispatch({
            type: 'INCREMENT'
          })
        })

      document.getElementById('decrement')
        .addEventListener('click', function () {
          store.dispatch({
            type: 'DECREMENT'
          })
        })

      document.getElementById('incrementIfOdd')
        .addEventListener('click', function () {
          if (store.getState() % 2 !== 0) {
            store.dispatch({
              type: 'INCREMENT'
            })
          }
        })

      document.getElementById('incrementAsync')
        .addEventListener('click', function () {
          setTimeout(function () {
            store.dispatch({
              type: 'INCREMENT'
            })
          }, 1000)
        })
    </script>
  </body>

</html>