import React from 'react'
import { Router, Route, IndexRoute } from 'react-router'
import hashHistory from './history'

import App from './base'
//路由懶載入
const table = (location, cb) => {
  require.ensure([], (require) => {
    cb(null, require('./pages/menu/table').default)
  }, 'table')
}
//路由攔截
function
 
 isLogin(nextState, replaceState) {
  const token = sessionStorage.getItem('token')
  if (!token) {
    replaceState('/login')
    // hashHistory.push('/login')
  }
}
export default () => (
  <Router history={hashHistory}>
    <Route path="/" component={App} onEnter={isLogin}> 
      <IndexRoute component={Welcome} />

      <Redirect exact from="/order"
 
 to="/order/index"/><--路由匹配 exact exact是Route下的一條屬性，一般而言，react路由會匹配所有匹配到的路由組價，exact能夠使得路由的匹配更嚴格一些。exact的值為bool型，為true是表示嚴格匹配，為false時為正常匹配。-->
      <Route path="/table" getComponent={table} />
      <Route path="/echarts" getComponent={echarts} />
      <Route path="/editor" getComponent={editor} />
      <Route path="/chat"
 
 getComponent={chat} />
    </Route>
    <Route path="/login" getComponent={Login} />
    <Route path="/register" getComponent={Register} />
  </Router>