text: import React from 'react'
  import { Provider } from 'react-redux'
  import { reducer, initStore, startClock } from '../store'
  import Page from '../components/Page'
  
  export default class Counter extends React.Component {
    static getInitialProps ({ req }) {
      const isServer = !!req
      const store = initStore(reducer, null, isServer)
      store.dispatch({ type: 'TICK', light: !isServer, ts: Date.now() })
      return { initialState: store.getState(), isServer }
    }
  
    constructor (props) {
      super(props)
      this.store = initStore(reducer, props.initialState, props.isServer)
    }
  
    componentDidMount () {
      this.timer = this.store.dispatch(startClock())
    }
  
    componentWillUnmount () {
      clearInterval(this.timer)
    }
  
    render () {
      return (
        <Provider store={this.store}>
          <Page title='Index Page' linkTo='/other' />
        </Provider>
      )
    }
  }
  